一、電子秤故障與維修教程?
【故障一】:開機(jī)無顯示
維修方法:檢查電源是否連接,檢查電池的電壓是否正常,開關(guān)機(jī)或按鍵是否損壞,保險(xiǎn)絲有沒有問題,電路板有無故障。
【故障二】:無法開機(jī)
維修方法:檢查電子秤是否有電,是否連接電源、電池線是否松脫,電池開關(guān)是否是打開的狀態(tài)。
【故障三】:無法充電或充電沒有反應(yīng)
維修方法:確定電子秤的110V/220V?,檢查保險(xiǎn)絲是否不良;電線是否外力因素而短路;蓄電池是否不良。
【故障四】:屏幕數(shù)字跳動(dòng)
維修方法:檢查傳感器接線是否良好;單一字體有斷字情形,可能是LCD接觸不良或故障,顯示不清楚或無法顯示可能是電子組件故障。
【故障五】:線性不佳
維修方法:傳感器保護(hù)裝置是否通過線性校正(線性校正機(jī)),校正標(biāo)準(zhǔn)砝碼是否是正確的(線性校正機(jī)),或者感應(yīng)器是不是超載了。
【故障六】:無法打印
維修方法:印表機(jī)種類是不是設(shè)定恰當(dāng),讀值是不是平穩(wěn)、平穩(wěn)標(biāo)識(shí)是不是亮,印表 機(jī)聯(lián)線是不是插好,印表機(jī)開關(guān)電源是不是開啟,印表機(jī)是不是聯(lián)網(wǎng)(僅24針 印表機(jī)).
【故障七】:無法累加
維修方法:累積前是不是回零位,累積按鍵是不是平穩(wěn).
【故障八】:無法背光
維修方法:電子秤內(nèi)部程序背光功能是否設(shè)置好(請(qǐng)參照操作手冊(cè)設(shè)定);如果有設(shè)定背光功能,秤盤需要放置被稱物(感量9倍上才亮);還有可能是電子組件的故障。
【故障九】:無法稱重或者稱重不準(zhǔn)
維修方法:查看運(yùn)送保護(hù)裝置是否拆下;電子秤秤盤與上殼之間是否有異物;按照操作說明書重新給電子秤校正一次。
【故障十】:開機(jī)不歸零
維修方法:自動(dòng)歸零范圍是否設(shè)置過小,秤臺(tái)上是否有物品.。
二、電焊機(jī)原理與維修教程?
電焊機(jī)的原理與維修教程
原理:是利用正負(fù)兩極在瞬間短路時(shí)產(chǎn)生的高溫電弧來熔化電焊條上的焊料和被焊材料,來達(dá)到使它們結(jié)合的目的。電焊機(jī)的結(jié)構(gòu)十分簡(jiǎn)單,說白了就是一個(gè)大功率的變壓器,將220V交流電變?yōu)榈碗妷海箅娏鞯碾娫矗梢允侵绷鞯囊部梢允墙涣鞯摹>S修方法:維修的話要看你是具體出了什么問題才能給具體的維修方法。拓展:
1、電焊機(jī)是利用正負(fù)兩極在瞬間短路時(shí)產(chǎn)生的高溫電弧來熔化電焊條上的焊料和被焊材料,使被接觸物相結(jié)合的目的。其結(jié)構(gòu)十分簡(jiǎn)單,就是一個(gè)大功率的變壓器。電焊機(jī)一般按輸出電源種類可分為兩種,一種是交流電源、一種是直流電。他們利用電感的原理,電感量在接通和斷開時(shí)會(huì)產(chǎn)生巨大的電壓變化,利用正負(fù)兩極在瞬間短路時(shí)產(chǎn)生的高壓電弧來熔化電焊條上的焊料,來使它們達(dá)到原子結(jié)合的目的。
三、數(shù)控車床液壓泵站故障與維修方法?
數(shù)控車床液壓系統(tǒng)常見故障的原因及處理油泵不供油或輸出油量顯著減少原因:油泵電機(jī)轉(zhuǎn)向不對(duì);油箱中油量不足;濾油器堵塞;吸油管中吸入空氣;油泵損壞。
排除方法:更換油泵電機(jī)接線,檢查油位,清除污物,檢查油泵。
系統(tǒng)壓力不足原因:油缸、管路、接頭處有較大泄漏;油泵配油盤損壞;變量泵調(diào)壓螺釘松動(dòng);油泵密封圈損壞;壓力閥,阻尼孔堵塞;閥芯卡死。
排除方法:找出泄漏的部位進(jìn)行防泄漏處理,更換損壞的油盤、密封圈,擰緊松動(dòng)的螺釘,拆洗壓力閥檢修閥芯系統(tǒng)有噪聲原因:油泵葉片卡住不靈活;油泵吸入空氣;吸油管及慮油器被堵塞;閥振動(dòng)。
排除方法:清洗油管及慮油器,檢修油泵及閥。
液壓驅(qū)動(dòng)部件運(yùn)動(dòng)不均勻或速度過慢原因:系統(tǒng)內(nèi)有空氣;油泵損壞,供油不足;節(jié)流閥堵塞,潤(rùn)滑不充分;油箱內(nèi)油量不足,管路有泄漏。
排除方法:檢修油泵、節(jié)流閥及管路,給油箱加油。數(shù)控車床液壓故障維修方法組成液壓系統(tǒng)的回路、元件之間相互聯(lián)系、相互制約,加上液壓油和一些不當(dāng)?shù)牟僮饕矔?huì)影響到液壓系統(tǒng)的性能,只要有一個(gè)環(huán)節(jié)出現(xiàn)問題就會(huì)導(dǎo)致故障,所以故障現(xiàn)象和故障原因之間搽復(fù)雜。
不同的故障原因可以引起同一故障現(xiàn)象,不同敝障現(xiàn)象可以是同一故障原因產(chǎn)生的,故液壓故障具有復(fù)雜性、不確定性和關(guān)聯(lián)性。液壓系統(tǒng)故障現(xiàn)象各種各樣,又是在密封的管道內(nèi)工作,想通過故障的現(xiàn)象來確定故障的原因是比較困難的。
聽:通過聽液壓系統(tǒng)工作中的聲音是來判斷系統(tǒng)是否正常,主要聽液壓泵和溢流閥的噪聲是否過大,執(zhí)行液壓元件在換向時(shí)是否有撞擊聲等。
摸:通過觸摸液壓元件的溫度和執(zhí)行元件的運(yùn)動(dòng)的振動(dòng)情況來有判斷液壓系統(tǒng)是否正常,主要觸摸液壓泵、油箱和閥體上的溫度是否過高(正常時(shí)不超過60度),觸摸液壓缸等執(zhí)行元件運(yùn)動(dòng)中是否有振動(dòng)等。
看:看各液壓元件連接處、管道等是否有漏、滴、滲油情況,看各壓力表的讀數(shù)是否正常,看設(shè)備處理的產(chǎn)品是否合格等。液壓系統(tǒng)控制比較簡(jiǎn)單平穩(wěn),在數(shù)控車床的應(yīng)用越廣泛。液壓系統(tǒng)的可靠性直接影響到數(shù)控車床的可靠性,液壓系統(tǒng)的維護(hù)保養(yǎng)可以減少液壓故障的發(fā)生,快速可靠的排除液壓故障可以減少故障停機(jī)時(shí)間充分發(fā)揮數(shù)控機(jī)床的經(jīng)濟(jì)效益。
故掌握數(shù)控車床液壓系統(tǒng)的調(diào)試、維護(hù)、維修的方法是十分必要的也是很重要的。上海山友重工,生產(chǎn)的產(chǎn)品有:顎式破碎機(jī),反擊式破碎機(jī),圓錐破碎機(jī),沖擊式破碎機(jī),碎石機(jī),制砂機(jī)等破碎機(jī)設(shè)備。本公司具有多年生產(chǎn)銷售歷史,引進(jìn)國(guó)外先進(jìn)技術(shù),結(jié)合國(guó)內(nèi)外實(shí)際情況.
四、數(shù)控車床刀架的常見故障與維修?
數(shù)控車床刀架系統(tǒng)出現(xiàn)故障的比率在數(shù)控車床操作中比較高,產(chǎn)生故障的原因也比較多。刀架電機(jī)過載報(bào)警號(hào):700022。出現(xiàn)這兩種信號(hào)是由于空氣開關(guān)的輔助觸點(diǎn)接到PI。C上的一個(gè)信號(hào)。當(dāng)這個(gè)開關(guān)斷開時(shí),CRT顯示報(bào)警信息。當(dāng)電機(jī)過流、過熱或者短路時(shí),空氣開關(guān)就會(huì)斷開。產(chǎn)生該故障的情況一般有以下幾種:
1、撞刀悶車。該現(xiàn)象一般出現(xiàn)在對(duì)刀、切削量過大或者G54(零點(diǎn)偏置)設(shè)置不正確的情況下。出現(xiàn)這種情況時(shí),刀具與工件(或卡盤)猛烈撞擊,形成悶車現(xiàn)象。此時(shí),刀架(六工位)內(nèi)部蝸輪蝸桿脫開,鏈輪空轉(zhuǎn),無法執(zhí)行換刀。該故障屬于機(jī)械故障,可拆卸刀架機(jī)械部分,將鏈條掛上(蝸桿頭部有鏈輪),手動(dòng)將蝸桿旋入,使之與蝸輪完全嚙合,檢查嚙合間隙,如無間隙則該故障即可解決。
2、伺服系統(tǒng)故障。根據(jù)工作原理和故障現(xiàn)象進(jìn)行分析,刀架轉(zhuǎn)動(dòng)是由伺服電機(jī)驅(qū)動(dòng)的,電機(jī)一啟動(dòng),伺服電機(jī)就產(chǎn)生報(bào)警,切斷伺服電源,并反饋給NC系統(tǒng),顯示刀架電機(jī)過載報(bào)警信息。檢查機(jī)械部分及伺服單元均未發(fā)現(xiàn)問題,經(jīng)測(cè)試,刀架電機(jī)燒毀,更換伺服電機(jī)后,故障排除。
3、光電感應(yīng)裝置失效。該現(xiàn)象表現(xiàn)為光電感應(yīng)裝置錯(cuò)位或光源受阻,刀架無法接受系統(tǒng)的換刀信號(hào)。拆卸光電感裝置重新裝配或清理光源孔后,刀架即恢復(fù)正常。
4、電氣故障。控制柜中刀架控制器的繼電器跳斷或燒毀,造成系統(tǒng)無法向刀架供電。繼電器上電或更換繼電器,報(bào)警即可解除。
5、程序失效。撞刀后按急停按鈕,系統(tǒng)停止工作。更換新刀具后刀架不工作。通過PLC程序檢查分析,發(fā)現(xiàn)換刀過程不正確,系統(tǒng)認(rèn)為換刀沒有結(jié)束,不能進(jìn)行其他操作。將刀架移至安全位置,按復(fù)位鍵,重新啟動(dòng)系統(tǒng),加載程序。刀架恢復(fù)正常。當(dāng)以上故障因素排除后,只需重新合上空氣開關(guān),刀架就可以完全正常工作。
6、出現(xiàn)電動(dòng)刀架在進(jìn)行換刀操作時(shí)旋轉(zhuǎn)不止,無法定位。造成這一現(xiàn)象的主要原因是:當(dāng)程序在調(diào)用某刀號(hào)時(shí),由電動(dòng)刀架正轉(zhuǎn)選擇刀具,當(dāng)旋轉(zhuǎn)位置到達(dá)該號(hào)刀具時(shí),無法取得應(yīng)答信息,從而引起刀架的旋轉(zhuǎn)不止,無法定位。這時(shí),應(yīng)對(duì)電動(dòng)刀架上的霍爾元件進(jìn)行檢查,因?yàn)楫?dāng)霍爾元件故障損壞時(shí),會(huì)引起所要刀具到位時(shí),無法輸出檢測(cè)信號(hào),從而造成電動(dòng)刀架的旋轉(zhuǎn)不停現(xiàn)象,此時(shí),對(duì)該號(hào)刀的霍爾元件進(jìn)行更換就可以排除故障。
7、刀具空走刀時(shí)運(yùn)轉(zhuǎn)正常,但是加工零部件時(shí)誤差非常大。造成這一故障的原因可能是絲杠或者是絲母與車床部位連接松動(dòng)引起的。刀具在空走時(shí)因沒有阻力限制,所以溜板運(yùn)行正常,但是加上零部件之后就增加了原有的吃刀阻力,容易引起絲杠或者是絲母與車床連接處發(fā)生松動(dòng),從而引起加工零部件的尺寸發(fā)生漂移。對(duì)于這類故障,采用堅(jiān)固連接部分的方式,即可排除故障。另一種原因也可能是由電動(dòng)刀架引起的。如果刀架在換刀后無法完成自動(dòng)鎖緊,從而引起吃刀時(shí)刀具偏離加工點(diǎn),也很容易造成上述故障的發(fā)生。此時(shí),要對(duì)刀架鎖緊裝置以及刀架控制箱進(jìn)行診斷,排除故障。
五、數(shù)控車床怎么維修?
五金設(shè)備維修:cnc、加工中心、數(shù)控沖床、自動(dòng)車床、剪板機(jī)、數(shù)控彈簧機(jī)、卷簧機(jī)、火花機(jī)、電腦鑼、快慢走絲、折彎?rùn)C(jī)、西門子系統(tǒng)、法那克系統(tǒng)、天田、友嘉、大宇系統(tǒng);等各種品牌數(shù)控機(jī)床控制板;各種品牌變頻器系列、交直流驅(qū)動(dòng)器編碼器plc程序控制器,焊接機(jī)等。
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cpu板、信號(hào)板、放大器、i/o板、鐳射感應(yīng)器、觸摸顯示器、各類特殊顯示器等。電子企業(yè)smt、smd設(shè)備上的所有電子線路控制板。電腦鑼及各類數(shù)控設(shè)備上的電路板、伺服控制器意大利giga、德國(guó)schmoll、日本日立、臺(tái)灣大良鉆孔機(jī)、鑼機(jī)的x、y、z軸伺服放大器、爆光機(jī)、50--2000a的電鍍整流器、sm6000安銅機(jī)、ut5000、ut6000測(cè)試卡(開關(guān)卡)、ltc128042--16鉆頭激光檢測(cè)器(ccd)、atg測(cè)試卡、soyn鉆機(jī)觸摸屏、cet9090緩沖母板、scsi軟驅(qū)、菲林機(jī)控制板、貼膜機(jī)控制器、mpcbpw-aa03電源板 atg9090掃描卡、idp3541測(cè)試打印機(jī)、等等。
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塑膠行業(yè):注塑機(jī)控制板,鋼絲帶束層生產(chǎn)線、雙復(fù)合擠出機(jī)、內(nèi)襯層擠出生產(chǎn)線、鋼絲壓延機(jī)、鋼絲簾布裁斷機(jī)、重型密煉機(jī)、全鋼一次法成型機(jī)、雙模硫化機(jī)、全自動(dòng)注塑機(jī)、橡膠擠出機(jī)、切粒機(jī)、涂布設(shè)備等。
六、冰箱維修教程?
現(xiàn)在家家戶戶都離不開冰箱,冰箱對(duì)我們的生活有非常大的幫助,如果有吃不完的食物或者需要儲(chǔ)存食物都可以存放在冰箱里,以防止食品的變質(zhì)。這樣既方便又容易。但是由于冰箱夜以繼?地?作,有時(shí)難免會(huì)出現(xiàn)些故障,出現(xiàn)故障該怎么維修呢?
冰箱構(gòu)造
維修冰箱,首先我們需要了解冰箱的構(gòu)造。
家用電冰箱由箱體、制冷系統(tǒng)、溫度控制裝置三部分組成。
箱體
箱體的組成:外殼、內(nèi)襯、絕熱層、臺(tái)面。
箱體的基本作用是絕熱,絕熱性能的優(yōu)劣直接關(guān)系到箱體的保溫性能。
箱體的隔熱功能主要是從以下幾個(gè)方面來實(shí)現(xiàn)的:
1、外殼與內(nèi)襯之間填充絕熱材料。
2、箱門裝有磁性密封條防止冷氣外漏和熱空氣侵入。
3、箱頂?shù)捻敯逑旅鎵|有高密度聚苯乙烯泡沫板,起隔熱作用。
制冷系統(tǒng)
制冷系統(tǒng)組成:壓縮機(jī)、冷凝器、蒸發(fā)器、毛細(xì)管。
制冷系統(tǒng)自成一個(gè)封閉的循環(huán)系統(tǒng)。其中蒸發(fā)器安裝在電冰箱內(nèi)部的上方,其他部件安裝在電冰箱的背面。
工作原理:系統(tǒng)里充灌了一種叫“氟里12(CF2Cl2,國(guó)際符號(hào)R12)”的物質(zhì)作為制冷劑(氟利昂類包括氟利昂12和氟利昂11等等是一般傳統(tǒng)的制冷劑,現(xiàn)在更多的是新興的無氟制冷劑如R600a、R404a等,不過制冷原理是一樣的)。氟里昂12在蒸發(fā)器里由低壓液體汽化為氣體,吸收冰箱內(nèi)的熱量,使箱內(nèi)溫度降低。變成氣態(tài)的氟里昂12被壓縮機(jī)吸入,靠壓縮機(jī)把它壓縮成高溫高壓的氣體,再排入冷凝器。在冷凝器中氣態(tài)的氟里昂12不斷向周圍空間放熱,逐步液化成液體。這些高壓液體必須流經(jīng)毛細(xì)管,節(jié)流降壓才能緩慢流入蒸發(fā)器,維持在蒸發(fā)器里繼續(xù)不斷地汽化,吸熱降溫。就這樣,冰箱利用電能做功,借助制冷劑的物態(tài)變化,把箱內(nèi)蒸發(fā)器周圍的熱量搬送到箱后冷凝器里去放出,如此周而復(fù)始不斷地循環(huán),以達(dá)到制冷目的。
內(nèi)部汽化吸熱?→?外部液化放熱→?箱內(nèi)溫度降低
溫度控制裝置
冰箱的溫度控制裝置叫溫度控制器。它的主要作用是當(dāng)箱內(nèi)溫度過高時(shí)接通壓縮機(jī),使制冷系統(tǒng)工作,從而使箱溫降下來,當(dāng)箱溫降至要求的溫度時(shí),使壓縮機(jī)斷電。
故障檢測(cè)方法
冰箱故障的檢查方法一般可分為問、看、聽、摸、測(cè)試等。通過檢查,綜合分析判斷,逐漸縮小故障范圍,找出故障點(diǎn)。
問
首先問明冰箱的使用情況、故障現(xiàn)象及使用年限,特別是舊機(jī)器,要了解機(jī)器的故障史及以前維修后的使用情況,對(duì)曾維修過制冷系統(tǒng)的機(jī)器,要多留意冰堵、臟堵、混入空氣、冷凍油是否變質(zhì)等故障。
看
1、首先看蒸發(fā)器結(jié)霜的情況,在壓縮機(jī)運(yùn)轉(zhuǎn)的情況下,如果出現(xiàn)蒸發(fā)器表面無霜、結(jié)不滿霜或結(jié)霜不實(shí)等情況,都說明制冷系統(tǒng)工作不正常。
2、冰箱冷凍室結(jié)冰,說明溫控器溫差過大,停機(jī)時(shí)間過長(zhǎng)等因素造成的,直冷式雙門冰箱的冷藏室蒸發(fā)器總是結(jié)滿霜而無結(jié)霜、化霜交替變化,說明溫控器發(fā)生故障。
3、檢查制冷系統(tǒng)中管路的各個(gè)焊接處及蒸發(fā)器表面,看是否有滲漏的痕跡,凡滲漏處都會(huì)有油漬。
4、查看壓縮機(jī)回氣管是否結(jié)霜,如結(jié)霜,則說明制冷劑沖入量過多,對(duì)于間冷式冰箱,如壓縮機(jī)回氣管結(jié)霜,還應(yīng)考慮是否由于風(fēng)扇不轉(zhuǎn)而引起。遇到這種情況,可以打開箱門,按下門框按鈕,查看風(fēng)扇是否旋轉(zhuǎn)。
5、查看箱門是否有縫隙。如果箱門有縫隙,則冰箱保溫性能差,導(dǎo)致壓縮機(jī)開機(jī)時(shí)間長(zhǎng),停機(jī)時(shí)間短,而且冰箱結(jié)霜多。
聽
1、接通冰箱電源,如果聽到啟動(dòng)器“叭嗒”一聲,壓縮機(jī)在0.2秒至0.5秒內(nèi)啟動(dòng),隨后壓縮機(jī)發(fā)出輕微而且有節(jié)奏的運(yùn)轉(zhuǎn)聲,說明壓縮機(jī)啟動(dòng)正常。如壓縮機(jī)發(fā)出沉悶的“嗡嗡”聲,而后連續(xù)聽到“叭嗒”的啟動(dòng)器觸點(diǎn)斷開、吸合的聲音,有時(shí)還帶有壓縮機(jī)的振動(dòng)聲,最后可以聽到熱保護(hù)器“叭”的一聲響,隨后切斷壓縮機(jī)電源。此故障可以考慮以下原因:
a、電源電壓低,壓縮機(jī)卡缸、抱缸軸。
b、電動(dòng)機(jī)掃堂。
c、電動(dòng)機(jī)繞組短路。
d、電動(dòng)機(jī)啟動(dòng)繞組開路。
e、氣路系統(tǒng)管路堵塞。
f、啟動(dòng)繼電器故障等。使用排除法,確定故障原因。
2、壓縮機(jī)運(yùn)轉(zhuǎn)時(shí),機(jī)殼內(nèi)有明顯的噴氣聲,說明壓縮機(jī)排氣緩沖管斷裂漏氣。若壓縮機(jī)機(jī)殼有破裂聲,說明壓縮機(jī)高、低壓閥片破裂、漏氣。壓縮機(jī)剛停機(jī)時(shí),聽到機(jī)殼內(nèi)有明顯的跑氣聲音,說明壓縮機(jī)閥板的高低壓紙墊被擊穿、排氣減震管泄漏、閥片磨損或閥片、閥口處積碳。壓縮機(jī)運(yùn)轉(zhuǎn)時(shí),如果機(jī)殼發(fā)出“當(dāng)當(dāng)”的撞擊聲,說明壓縮機(jī)內(nèi)支撐彈簧斷裂或疲勞變形。
3、高壓液態(tài)制冷劑通過毛細(xì)管進(jìn)入蒸發(fā)器,迅速蒸發(fā)沸騰,同時(shí)發(fā)出“嘶嘶”的氣流聲音,并時(shí)常伴流水的聲音,屬于正常現(xiàn)象。如果聽到蒸發(fā)器內(nèi)有“嘰嘰”聲,或者有斷斷續(xù)續(xù)的憋氣聲,故障通常為臟堵、油堵或者冰堵。周期性較長(zhǎng)的斷續(xù)噴氣聲一般為冰堵。若蒸發(fā)器內(nèi)只有氣流聲,而且不結(jié)霜,說明系統(tǒng)內(nèi)制冷劑基本漏完。
4、冰箱有時(shí)發(fā)出斷斷續(xù)續(xù)的噪音,往往是由于冰箱支腳落地不穩(wěn),制冷系統(tǒng)管路相互碰撞以及壓縮機(jī)與箱體底座螺絲松動(dòng)等原因引起共振造成的。
摸
冰箱正常運(yùn)行時(shí),制冷系統(tǒng)各個(gè)部分的溫度通過觸摸,可以對(duì)制冷系統(tǒng)狀況有個(gè)大致的判斷。(制冷系統(tǒng)各個(gè)部分的溫度還受環(huán)境溫度的影響,環(huán)境溫度升高時(shí),冷凝器、過濾器、回氣管和壓縮機(jī)的溫度明顯升高,反之,上述部分的溫度明顯降低。)
1、壓縮機(jī)運(yùn)轉(zhuǎn)時(shí),觸摸冷凝器上部,應(yīng)很熱(大于55℃)。如不熱,可能是制冷系統(tǒng)漏氣、堵塞或壓縮機(jī)沒有排氣壓力等故障。
2、正常時(shí),觸摸干燥過濾器應(yīng)有熱的感覺(約55℃)。如制冷系統(tǒng)過臟,會(huì)造成干燥過濾器溫度升高,對(duì)于剛剛維修過的冰箱,如果干燥過濾器溫度過高,一般為毛細(xì)管阻流偏大,制冷劑充入量過大。
3、壓縮機(jī)正常工作時(shí),觸摸壓縮機(jī)回氣管,應(yīng)沒有熱感(接近于環(huán)境溫度)。如果溫度高,說明系統(tǒng)少制冷劑,管路微堵或系統(tǒng)中混入空氣。如果感覺到冷或者有露水甚至結(jié)霜時(shí),說明制冷劑充入量過多。
4、壓縮機(jī)機(jī)殼的溫度一般在70℃以下。即使在夏季,冰箱首次開機(jī)時(shí),壓縮機(jī)經(jīng)過連續(xù)長(zhǎng)時(shí)間的工作,機(jī)殼溫度也不超過85℃。
5、如果蒸發(fā)器上結(jié)的霜用手一摸就脫落(稱為虛霜),并且壓縮機(jī)回氣管結(jié)滿霜,說明充入的制冷劑過多或新?lián)Q的毛細(xì)管過粗、過短。
6、用手觸摸蒸發(fā)器表面,如果發(fā)現(xiàn)蒸發(fā)器結(jié)不滿霜,說明系統(tǒng)制冷劑不足或毛細(xì)管半堵塞。
測(cè)試
通過測(cè)量冰箱的溫度、壓力、開機(jī)與停機(jī)比、運(yùn)轉(zhuǎn)電流以及壓縮機(jī)的絕緣電阻和直流電阻等,對(duì)冰箱進(jìn)行檢查。
1、測(cè)溫度
用電機(jī)溫度計(jì)測(cè)量電冰箱的溫度。電冰箱的溫度按國(guó)家標(biāo)準(zhǔn)吸氣溫度為三十二攝氏度,蒸發(fā)溫度為負(fù)二十三攝氏度一下,排氣溫度為五十五攝氏度左右,過冷溫度為三十二攝氏度左右。
1、冰箱靠近墻面放置會(huì)導(dǎo)致冰箱發(fā)燙,也不能在冰箱的周圍覆蓋東西,這樣都會(huì)阻礙冰箱散熱,使溫度上升,應(yīng)該保持冰箱有足夠的空間散熱。
2、在使用冰箱的時(shí)候不要打開頻繁,頻繁的打開冰箱會(huì)讓里的溫度升高,加大冰箱的工作量,冰箱長(zhǎng)期處于運(yùn)轉(zhuǎn)狀態(tài)就會(huì)使溫度更高的。這時(shí)要減少開冰箱的次數(shù)。
3、停用之后特別是在夏季溫度很高的時(shí)候,冰箱要達(dá)到設(shè)定的制冷溫度會(huì)需要很長(zhǎng)時(shí)間,長(zhǎng)時(shí)間的運(yùn)轉(zhuǎn)就會(huì)使冰箱的溫度升高,冰箱一旦使用最好不要停用了。
2、測(cè)壓力
冰箱的正常壓力值在0.03~0.08mpa。
a、吸氣壓力過高,通常由:制冷劑充入過多、新?lián)Q毛細(xì)管過短、壓縮機(jī)性能*的原因引起。
b、出現(xiàn)吸氣壓力為負(fù)壓時(shí),通常由:制冷劑不足、系統(tǒng)內(nèi)有堵塞現(xiàn)象、新?lián)Q毛細(xì)管太細(xì)、太長(zhǎng)。
2、測(cè)量冰箱的開機(jī)與停機(jī)之比
冰箱的開機(jī)與停機(jī)之比與它的制冷系統(tǒng)、保溫性能、溫控器性能、調(diào)節(jié)位置、環(huán)境溫度、電路系統(tǒng)、冰箱內(nèi)食品的多少以及開門次數(shù)等有著直接的關(guān)系。
3、測(cè)量工作電流
1、如果工作電流大于額定電流,說明制冷劑充入量過多,制冷系統(tǒng)微堵、壓縮機(jī)局部短路。
2、如果工作電流小于額定電流,說明制冷系統(tǒng)有泄漏或系統(tǒng)完全堵塞。
3、測(cè)量絕緣電阻和直流電阻:(對(duì)于匝間短路不嚴(yán)重或匝間絕緣不良的電機(jī)繞組,用電阻測(cè)量方法很難分辨電機(jī)故障,因此只能采用測(cè)量工作電流的方法來判斷)。
缺少制冷劑,或蒸發(fā)器內(nèi)有沉積的冷凍機(jī)油,導(dǎo)致壓縮機(jī)效率降低。
冰箱故障分類
電冰箱的故障可分為電氣系統(tǒng)故障和制冷系統(tǒng)故障兩大類。
電氣系統(tǒng)故障分析
電氣系統(tǒng)主要包括溫控部分和壓縮機(jī)電動(dòng)機(jī)控制部分。由此而引起的故障現(xiàn)象是電冰箱接通電源后壓縮機(jī)不起動(dòng)和接通電源后壓縮機(jī)運(yùn)轉(zhuǎn)不停。
1、首先用萬用表歐姆擋測(cè)量冰箱電源插頭的阻值。
壓縮機(jī)的三個(gè)接線端子以及與起動(dòng)器之間的接線情況如圖所示:C——公共端、M——運(yùn)行端、S——起動(dòng)端。
各繞組間直流電阻值如下:運(yùn)行繞組C、M兩端約10.5Ω;起動(dòng)繞組C、S兩端約22Ω;而運(yùn)行和起動(dòng)繞組阻值的和即S、M端的阻值約為32.5Ω。正常時(shí)電路所有的開關(guān)觸點(diǎn)都接通,對(duì)于重錘起動(dòng)器式的冰箱,因重錘式起動(dòng)器觸點(diǎn)未通電而未接通,回路阻值為壓縮機(jī)運(yùn)行繞組的阻值,一般為10—20Ω左右,對(duì)于PTC起動(dòng)冰箱,回路的直流電阻為起動(dòng)器20Ω阻值與起動(dòng)繞組串聯(lián)后再與運(yùn)行繞組并聯(lián),所以其電阻略小于壓縮機(jī)運(yùn)行繞組的阻值。
通過測(cè)得的阻值來判斷電路的工作狀態(tài),阻值偏大時(shí),要檢查溫度控制器、過載保護(hù)器、壓縮機(jī)電動(dòng)機(jī)以及線路和觸點(diǎn)接觸情況,阻值偏小時(shí)一般是短路,主要檢查壓縮機(jī)電動(dòng)機(jī)及其線路。
2、要進(jìn)一步判斷還要對(duì)冰箱通電檢查。
通電前先檢查溫控器開關(guān)是否正常。如溫度控制器裝在電冰箱的冷藏室內(nèi),當(dāng)放置的環(huán)境溫度低于設(shè)計(jì)溫度時(shí)不會(huì)起動(dòng)運(yùn)轉(zhuǎn),故有的冰箱設(shè)計(jì)了冬季補(bǔ)償開關(guān),補(bǔ)償開關(guān)打開后則溫度控制器感溫管附近的加熱器開始加熱,強(qiáng)制升溫使壓縮機(jī)運(yùn)轉(zhuǎn),目的是犧牲冷藏室的正常溫度而保證冷凍室的溫度。
如果溫控器內(nèi)的開關(guān)都正常,而通電后壓縮機(jī)不起動(dòng),可用一根導(dǎo)線短接重錘式起動(dòng)器的兩個(gè)靜觸點(diǎn),注意導(dǎo)線短接時(shí)間不要太長(zhǎng),以不超過2s為宜,時(shí)間長(zhǎng)將會(huì)使起動(dòng)繞組燒壞。如果短接后冰箱能起動(dòng),說明起動(dòng)器有故障,重錘式起動(dòng)器長(zhǎng)期起動(dòng)易使觸點(diǎn)燒壞,測(cè)量時(shí)拆下起動(dòng)器,用萬用表歐姆RX1擋,將兩表筆插入接線柱插孔內(nèi)。起動(dòng)器正著放時(shí)相當(dāng)于正常運(yùn)轉(zhuǎn)狀態(tài),即未接通,萬用表測(cè)量阻值為無窮大;將起動(dòng)器倒過來時(shí)相當(dāng)于起動(dòng)狀態(tài),萬用表指示為0Ω,則說明起動(dòng)器是好的。
如果用導(dǎo)線短接后仍不能起動(dòng),就需要檢查保護(hù)器。可用短接法檢查保護(hù)器,將保護(hù)器的兩個(gè)接線銅片短接起來,如果冰箱能夠起動(dòng)運(yùn)轉(zhuǎn),說明保護(hù)器有故障,可能是電熱絲燒斷或碟形雙金屬片受阻不能下翻,如果冰箱仍不能起動(dòng),則是壓縮機(jī)或起動(dòng)器有問題。檢查時(shí),把起動(dòng)器和保護(hù)器拆下,露出電動(dòng)機(jī)的三根接線柱。測(cè)每?jī)蓚€(gè)接線柱之間的電阻值,如正常,說明電動(dòng)機(jī)繞組沒有故障。如不正常,不要急于拆開壓縮機(jī),可以采用直接接通電源的方法進(jìn)行檢查。具體辦法是:用帶有電源插頭的兩根電源線接在M、C接線柱上,也就是運(yùn)行繞組上,再用螺釘旋具作為導(dǎo)線同時(shí)碰觸M和S端,然后把插頭插入電源插座,如果電動(dòng)機(jī)和壓縮機(jī)沒有故障,就會(huì)起動(dòng)。起動(dòng)2s左右,就要把螺釘旋具移開,電動(dòng)機(jī)進(jìn)入正常運(yùn)轉(zhuǎn)。如果檢查壓縮機(jī)能起動(dòng)運(yùn)轉(zhuǎn),說明電動(dòng)機(jī)沒有故障,故障發(fā)生在電動(dòng)機(jī)外部,可能是外引線折斷或接線柱接觸不良,也可能是環(huán)境溫度過低等。否則為壓縮機(jī)故障。
制冷系統(tǒng)故障分析
電冰箱不制冷
電冰箱運(yùn)轉(zhuǎn)不停,但是不制冷,冷凝器不熱,蒸發(fā)器不涼。這種故障一般出現(xiàn)在制冷系統(tǒng)。
可能原因是制冷劑泄漏,或者冰堵、臟堵,或是壓縮機(jī)有故障。由于制冷系統(tǒng)是封閉的,所以可通過觀察管路表面有無油污、用手觸摸各部分的溫度、耳聽運(yùn)行聲音來檢查。
1、檢查管路表面是否有油污
仔細(xì)檢查冷凝器、過濾器、毛細(xì)管、蒸發(fā)器;吸氣管、壓縮機(jī)外殼及管路結(jié)合處。如果發(fā)現(xiàn)有油污,說明制冷劑泄漏。這時(shí)可切開壓縮機(jī)的工藝管。如果有少量的制冷劑噴出,就進(jìn)一步證明是制冷劑泄漏。
如果沒有油污,則需要進(jìn)一步檢查壓縮機(jī)的溫度。
2、檢查壓縮機(jī)的溫度
用手摸壓縮機(jī),如果壓縮機(jī)的溫度不太高,和運(yùn)轉(zhuǎn)時(shí)差不多,說明管路暢通,沒有堵塞現(xiàn)象,而可能是高壓緩沖管破裂、活塞穿孔、排氣閥同吸氣閥短路等。這時(shí)可切開高壓排氣管,排出制冷劑。
3、檢查壓縮機(jī)開機(jī)時(shí)的情況
切斷電冰箱的電源,打開箱門;使制冷系統(tǒng)各個(gè)部件恢復(fù)到室溫。然后接通電源,電冰箱啟動(dòng)運(yùn)轉(zhuǎn)。如果開始時(shí)蒸發(fā)器結(jié)霜較好,冷凝器發(fā)熱,低壓吸氣管發(fā)涼;由冰箱上部能聽到氣流聲和水流聲,但過一會(huì)兒,蒸發(fā)器結(jié)霜融化,只在毛細(xì)管同蒸發(fā)器結(jié)合部位結(jié)有少量霜;冷凝器不熱,低壓吸氣管不涼,用耳朵貼近電冰箱上部聽不到聲音,說明出現(xiàn)了冰堵。這時(shí)如果用熱毛巾敷在毛細(xì)管同蒸發(fā)器的結(jié)合處,又能重新制冷,則進(jìn)一步證實(shí)是冰堵。
如果開機(jī)的時(shí)候不見蒸發(fā)器結(jié)霜,冷凝器不熱,低壓氣管不涼,用耳朵貼近電冰箱上部聽不到聲音,則可以初步認(rèn)為發(fā)生了臟堵。這時(shí),可以切斷高壓排氣管,排出制冷劑,用手指按住排氣管,啟動(dòng)壓縮機(jī),如果手指感到有較大的壓力,說明管路發(fā)生臟堵。
電冰箱制冷效果差
電冰箱運(yùn)轉(zhuǎn)不停,但箱內(nèi)溫度達(dá)不到要求,制冷效果差。這可能是由于使用不當(dāng)或箱門關(guān)閉不嚴(yán)造成的。也可能是制冷系統(tǒng)故障引起的。一般應(yīng)先檢查使用情況和箱門情況,再檢查制冷系統(tǒng)。
1、檢查使用情況
首先要了解環(huán)境溫度。如果高于43℃,制冷效果差一些是正常的。如果環(huán)境溫度不高,要打開箱門檢查。如果箱內(nèi)食品太多,特別是放入了溫度高的食品,食品釋放出大量的熱量;或者打開箱門次數(shù)太多,外界熱空氣不斷進(jìn)人箱內(nèi),或者未及時(shí)化霜等,所有這些都會(huì)使電冰箱長(zhǎng)時(shí)間運(yùn)轉(zhuǎn)不停,制冷效果差。
2、檢查箱門
電冰箱箱門關(guān)閉不嚴(yán),熱空氣會(huì)從縫隙處不斷進(jìn)入箱內(nèi)。這可能是磁性門封條失去磁性、老化變形,或是箱門翹曲造成的。
3、檢查制冷系統(tǒng)
如果使用情況正常,箱門又能關(guān)閉嚴(yán)密,那么制冷效果差的故障就出在制冷系統(tǒng)。由于制冷系統(tǒng)仍能工作,因此,可能是制冷劑部分泄漏、部分冰堵或部分臟堵,也可能是壓縮機(jī)內(nèi)部故障。
檢查的順序是首先觀察管路表面有無油污。如果有油污,說明制冷劑部分泄漏,這時(shí)可以切開工藝管,灌入適量的氟里昂制冷劑,再次啟動(dòng)運(yùn)轉(zhuǎn)。如果運(yùn)轉(zhuǎn)正常,證明是制冷劑部分泄漏。如果管路表面沒有油污,可檢查開機(jī)時(shí)的情況。如果開機(jī)時(shí)制冷正常,蒸發(fā)器結(jié)霜良好,在電冰箱上部能聽到氣流聲和水流聲,但過了一會(huì)兒制冷效果變差,只能聽到微弱的氣流聲和流水聲,說明是部分冰堵。
如果開機(jī)時(shí)制冷效果就差,用耳朵貼近冰箱上部只能聽到微弱的氣流聲和水流聲,這可能是臟堵或壓縮機(jī)內(nèi)部故障,需要進(jìn)一步檢查。這時(shí),可切開工藝管,灌入適量的氟里昂制冷劑,并接入氣壓表,啟動(dòng)壓縮機(jī)。如果氣壓表所示氣壓下降到正常值(0.06~0.08MPa)以下,說明壓縮機(jī)內(nèi)部沒有故障,只是管路有部分臟堵。如果氣壓下降到正常值以上,說明壓縮機(jī)性能下降,嚴(yán)重時(shí)需要拆開壓縮機(jī)詳細(xì)檢查和修理。
如果制冷系統(tǒng)混入空氣,或者制冷劑充加過多或不足,都可能影響制冷效果。
制冷系統(tǒng)中充加過多的制冷劑,會(huì)使過多的制冷劑在蒸發(fā)器內(nèi)不能很好蒸發(fā),液體制冷劑返回壓縮機(jī)中,這樣壓縮機(jī)的吸氣量減少,制冷系統(tǒng)低壓端壓力升高,又影響蒸發(fā)器內(nèi)制冷劑的蒸發(fā)量;造成制冷能力下降。同時(shí),過多的制冷劑會(huì)占去冷凝器的一部分容積,減少散熱面積,使冷凝器的冷卻效率降低,吸氣壓力和蒸發(fā)溫度也相應(yīng)提高,吸氣管出現(xiàn)結(jié)霜現(xiàn)象。遇到這種情況,必須及時(shí)將多余的制冷劑排出制冷系統(tǒng),否則不但不能提高降溫效果,反而使壓縮機(jī)有液擊沖缸的危險(xiǎn)。
制冷系統(tǒng)充加的制冷劑過少時(shí),會(huì)使蒸發(fā)器的蒸發(fā)表面積得不到充分利用,制冷量降低,蒸發(fā)器表面部分結(jié)霜,吸氣管溫度偏高。遇到這種情況,可以補(bǔ)充適量的制冷劑。
常見故障及檢修
通電后電機(jī)不起動(dòng)且無嗡嗡聲
1、故障原因:保險(xiǎn)熔斷
排除方法:按要求更換保險(xiǎn)絲
2、故障原因:接線松脫,插頭接觸不良
排除方法:檢查線路,接好松脫處,插好插頭
3、故障原因:電機(jī)繞組短路、斷路或轉(zhuǎn)子卡死
排除方法:檢修或重繞
4、故障原因:起動(dòng)繼電器繞組燒斷
排除方法:更換
5、故障原因:溫控器開關(guān)未閉合,旋鈕處于“0”(或停)位置
排除方法:調(diào)整溫控器開關(guān),使其閉合
6、故障原因:過載繼電器的接觸未閉合,或熱電阻絲燒斷
排除方法:檢查并調(diào)整使觸點(diǎn)閉合,更換電阻絲
通電后電機(jī)不起動(dòng)但有嗡嗡聲
1、故障原因:電源電壓過低(低于187V)
排除方法:拔下電源插頭,等電壓正常后再插上,或加裝穩(wěn)壓器
2、故障原因:起動(dòng)繼電器未閉合或接觸不良
排除方法:修理或更換
3、故障原因:電機(jī)起動(dòng)繞組斷路
排除方法:重繞起動(dòng)繞組
4、故障原因:起動(dòng)電容器短路、短路或失效
排除方法:更換或檢修
5、故障原因:壓縮機(jī)負(fù)荷過重或制冷劑充灌過多
排除方法:重新調(diào)整或減少制冷劑
完全不制冷
1、故障原因:電源插頭松動(dòng)或脫落
排除方法:重新插好電源插頭
2、故障原因:電源保險(xiǎn)絲熔斷
排除方法:按要求更換保險(xiǎn)絲
3、故障原因:停電
排除方法:待恢復(fù)供電時(shí)再使用
4、故障原因:電源電壓過低
排除方法:拔下電源插頭,待電壓正常后再插上或加裝穩(wěn)壓器
5、故障原因:溫度控制鈕在“0”(或“停”)的位置
排除方法:調(diào)整溫控器旋鈕,使其處于某一適當(dāng)位置,開關(guān)觸點(diǎn)閉合
6、故障原因:過載保護(hù)斷電器斷路或起動(dòng)繼電器觸點(diǎn)接觸不良
排除方法:修理或更換
7、故障原因:壓縮機(jī)卡死或電動(dòng)機(jī)故障
排除方法:修理或更換
8、制冷劑漏失或毛細(xì)管堵塞、干燥過濾器臟堵
排除方法:修理
冷藏室溫度偏高
1、故障原因:溫控器旋鈕調(diào)得不合適(數(shù)字過小)
排除方法:重調(diào)溫控器旋鈕至數(shù)字較大位置
2、故障原因:電冰箱受陽光直射、接近熱源或冷凝器較臟,散熱不佳
排除方法:重新放置電冰箱,清潔冷凝器
3、故障原因:冷藏室放置食物過多、過密或放入熱的食物
排除方法:減少與重新放置貯存食物,留出適當(dāng)空隙,熱的食物放涼后再放入
4、故障原因:開門過于頻繁或開門時(shí)間過長(zhǎng)
排除方法:減少開門次數(shù)和時(shí)間
5、故障原因:蒸發(fā)表面結(jié)霜過厚(超過5mm)或結(jié)冰
排除方法:將霜或冰化掉
6、故障原因:門封不嚴(yán)
排除方法:檢修并適當(dāng)調(diào)平箱體(稍后仰)使門封嚴(yán)密
7、故障原因:箱內(nèi)照明燈不熄滅
排除方法:檢修照明燈開關(guān)
8、故障原因:冷藏室溫控風(fēng)門溫控器失控,使風(fēng)門開不大或風(fēng)扇不轉(zhuǎn)
排除方法:修理或更換
9、故障原因:壓縮機(jī)閥門損壞
排除方法:修理
冷藏室溫度過低而使上層食品被凍結(jié)
1、故障原因:室溫偏低而溫控器調(diào)得不合理(數(shù)字太大或調(diào)到強(qiáng)冷點(diǎn)、不停點(diǎn))
排除方法:重調(diào)溫控器旋鈕至數(shù)字較小的位置
2、故障原因:溫控器觸點(diǎn)粘連不停車或感溫管失控
排除方法:修理或更換
3、故障原因:誤將水分多而容易凍結(jié)的食物放在上部擱架
排除方法:將易凍結(jié)的食物放在冷藏室下部
4、故障原因:溫感風(fēng)門溫控器旋鈕調(diào)得不合理(置冷點(diǎn))或失控,或風(fēng)門關(guān)不上
排除方法:重調(diào)溫感風(fēng)門溫控器旋鈕
5、故障原因:溫度補(bǔ)償加熱器損壞
排除方法:更換溫度補(bǔ)償加熱器
冷凍室溫度偏高
1、故障原因:室溫偏高而溫控器旋鈕調(diào)得不合理(數(shù)字過小)
排除方法:重調(diào)溫控器旋鈕至數(shù)字較大位置
2、故障原因:開門過于頻繁或開門時(shí)間過長(zhǎng)
排除方法:減少開門次數(shù)和時(shí)間
3、故障原因:門封不嚴(yán)
排除方法:檢修門封,使其嚴(yán)密
4、故障原因:制冷劑漏失
排除方法:找出漏洞,放氣補(bǔ)焊,再抽真空重新灌入制冷劑
5、故障原因:充灌制冷劑過多或過少
排除方法:重新調(diào)整或充灌制冷劑
6、故障原因:壓縮機(jī)制冷效率下降
排除方法:拆修壓縮機(jī)
7、故障原因:翅片蒸發(fā)器被冰箱堵塞或毛細(xì)管堵塞
排除方法:確定原因后檢修
8、故障原因:冷風(fēng)循環(huán)風(fēng)扇不轉(zhuǎn)或運(yùn)轉(zhuǎn)不正常
排除方法:修理或更換
9、故障原因:結(jié)霜厚而未清除
排除方法:清除結(jié)霜
壓縮機(jī)長(zhǎng)時(shí)間運(yùn)轉(zhuǎn)不能自動(dòng)停機(jī)
1、故障原因:箱內(nèi)一次性放入過多溫度較高的食品或連續(xù)凍結(jié)大量冰塊
排除方法:適當(dāng)減少放入食物,并放涼后再放入,減少凍冰量
2、故障原因:開門過于頻繁或開門時(shí)間過長(zhǎng)
排除方法:減少開門次數(shù)和時(shí)間
3、故障原因:溫控器誤調(diào)到不停點(diǎn)
排除方法:按需要重調(diào)溫控器
4、故障原因:制冷劑漏失
排除方法:找出漏孔,放氣補(bǔ)焊,再抽真空,重新充灌制冷劑
5、故障原因:毛細(xì)管被雜質(zhì)污物堵塞(臟堵)
排除方法:用熱毛巾敷裹毛細(xì)管解凍或更換毛細(xì)管
6、故障原因:毛細(xì)管被冰堵塞(冰堵)
排除方法:放掉制冷劑,烘干分子篩過濾器,重新抽真空后充灌制冷劑
7、故障原因:電冰箱環(huán)境溫度過高(大于40度)或空氣對(duì)流受阻
排除方法:調(diào)換放置位置,改善空氣對(duì)流
8、故障原因:溫控器觸點(diǎn)粘連或或感溫管松動(dòng)失控
排除方法:斷電后將溫控器旋至“停”點(diǎn)再旋回原定點(diǎn)通電。若仍不正常,則更換
9、故障原因:箱壁或門壁隔熱層中流入水或結(jié)冰
排除方法:干燥隔熱層
壓縮機(jī)運(yùn)轉(zhuǎn)時(shí)噪聲大
1、故障原因:箱體未放平穩(wěn)
排除方法:重新調(diào)平放穩(wěn)
2、故障原因:電冰箱背后與其他物件或墻壁觸碰
排除方法:適當(dāng)調(diào)整位置或物件,使它們脫離觸碰
3、故障原因:電冰箱背部的接水盤脫離原位置而振動(dòng)發(fā)聲
排除方法:重新放好接水盤,并墊上泡沫塑料
4、故障原因:風(fēng)扇與其他部件碰撞
排除方法:移動(dòng)風(fēng)扇位置
5、故障原因:管道與箱件碰撞
排除方法:挪動(dòng)管道,擰緊固定螺絲
6、故障原因:壓縮機(jī)減振膠墊壓得過緊或老化變硬
排除方法:調(diào)松或列換膠墊
7、故障原因:壓縮機(jī)內(nèi)部噪聲大
排除方法:拆修或壓縮機(jī)
壓縮機(jī)運(yùn)轉(zhuǎn)時(shí)間過長(zhǎng)而停機(jī)時(shí)間過短
1、故障原因:制冷劑泄露使制冷效果變差
排除方法:查漏補(bǔ)焊
2、故障原因:溫控器旋鈕誤調(diào)在強(qiáng)冷檔,達(dá)到最低溫度需要壓縮機(jī)長(zhǎng)期運(yùn)轉(zhuǎn)
排除方法:重調(diào)溫控器旋鈕
3、故障原因:箱門未關(guān)閉,漏入熱量多,使壓縮機(jī)運(yùn)轉(zhuǎn)時(shí)間長(zhǎng)
排除方法:檢查門封,關(guān)嚴(yán)箱門
4、故障原因:制冷劑充灌得過多,制冷效果差
排除方法:調(diào)整毛細(xì)管長(zhǎng)度或重調(diào)制冷劑量
5、故障原因:環(huán)境溫度偏高,散熱效果差
排除方法:改善電冰箱周圍散熱條件
6、故障原因:電冰箱內(nèi)放入過多食品,熱負(fù)荷過大
排除方法:調(diào)整放入食品的數(shù)量
7、故障原因:壓縮機(jī)進(jìn)、排氣閥有漏氣
排除方法:拆修或更換
電冰箱內(nèi)溫度正常但壓縮機(jī)起動(dòng)頻繁
1、故障原因:感溫管與蒸發(fā)器接觸不良,未靠近蒸發(fā)器,使感溫失真
排除方法:重調(diào)感溫管位置
2、故障原因:起動(dòng)觸點(diǎn)接觸不良,時(shí)斷時(shí)通
排除方法:調(diào)整觸點(diǎn)連接銅片,使其接觸可靠
3、故障原因:溫控器旋鈕位置不當(dāng)
排除方法:重調(diào)溫控器至合適位置
4、故障原因:過載安全保護(hù)繼電器接點(diǎn)與電熱絲位置過近
排除方法:重新調(diào)整過載螺釘,使兩者相距適當(dāng)
電冰箱能制冷但箱內(nèi)照明燈不亮
1、故障原因:燈泡損壞
排除方法:更換相同規(guī)格的燈泡
2、故障原因:照明燈泡與燈座接觸不良
排除方法:將燈泡擰緊
3、故障原因:照明燈電路斷線
排除方法:查出斷線處并修復(fù)
4、故障原因:門燈開關(guān)接觸不良
排除方法:拆開燈開關(guān),重新調(diào)整彈簧壓力,使其接觸良好
照明燈不亮且壓縮機(jī)不工作
1、故障原因:保險(xiǎn)絲熔斷
排除方法:查出原因,更換同規(guī)格新保險(xiǎn)絲
2、故障原因:電源插頭與插座連線斷路
排除方法:查出斷線處,修復(fù)或更換
3、故障原因:電源插頭接觸不良
排除方法:調(diào)整接觸或更換
4、故障原因:停電
排除方法:撥下電源插頭,待來電時(shí)再工作
門將關(guān)上時(shí)照明燈不熄滅
1、故障原因:門燈開頭失靈
排除方法:修復(fù)或更換
2、故障原因:開關(guān)位置不對(duì),關(guān)門時(shí)未能壓下按鈕,以切斷照明燈電路
排除方法:調(diào)整門燈開頭位置(包括溫控器位置),使開頭正常工作
溫控器置于通常使用位置時(shí)保險(xiǎn)絲熔斷
1、故障原因:包括電冰箱在內(nèi)的家電電器總負(fù)荷已超過保險(xiǎn)絲的額定電流
排除方法:在家用小火表、布線等容量允許的前提下,適當(dāng)加大保險(xiǎn)絲規(guī)格
2、故障原因:?jiǎn)蜗嘟涣麟妱?dòng)機(jī)起動(dòng)電容損壞而產(chǎn)生短路
排除方法:更換新的同規(guī)格電容器
3、故障原因:起動(dòng)繼電器觸點(diǎn)粘連
排除方法:修理或更換
4、故障原因:壓縮機(jī)定子線圈或電源插頭短路
排除方法:查明原因后修復(fù)
電冰箱放置處積水
1、故障原因:泄水系統(tǒng)堵塞或軟管破裂,使融霜水從冷藏室內(nèi)溢出
排除方法:查出原因,排去堵塞物或更換軟管
2、故障原因:接水盒(盆)中融霜水過滿而溢出
排除方法:及時(shí)倒掉接水盒(盆)中水,有自動(dòng)蒸發(fā)皿者,檢查有關(guān)加熱蒸發(fā)裝置有否故障,并排除之
3、故障原因:濾水器堵塞
排除方法:排除堵塞物
4、故障原因:環(huán)境空氣過于潮濕,遇冷凝結(jié)成水
排除方法:改善放置環(huán)境,使其干燥通風(fēng)(就冰箱而言,此并非故障)
冷凍室封條被凍住
1、故障原因:門封條損壞
排除方法:用熱毛巾或電吹風(fēng)對(duì)門封條凍結(jié)處加熱,待門拉開后,再修復(fù)或更新封條
2、故障原因:設(shè)有門封電熱絲的電冰箱,門封電熱絲失效
排除方法:拉開門后,更換門封電熱絲
打開箱門有難聞臭味
1、故障原因:電冰箱內(nèi)有腐敗的殘?jiān)U物、剩水等
排除方法:徹底清掃,可用清潔劑或蘇打水清洗
2、故障原因:存放有濃味的羊肉、牛肉等食品而未用保鮮膜或塑料袋封裝,使氣味擴(kuò)散
排除方法:用保鮮膜、塑料袋(或瓶、罐)封裝食品
3、故障原因:制冷劑泄漏數(shù)量很多,使其影響貯存食物的質(zhì)量,產(chǎn)生異味
排除方法:檢漏、修復(fù)
4、故障原因:箱壁隔熱層破損,水蒸汽侵入造成腐爛變質(zhì)而產(chǎn)生怪味
排除方法:更換隔熱層或內(nèi)膽、注意防潮
5、故障原因:電冰箱久置未用,而又未稍打開箱門,造成啟用后有霉味散出
排除方法:清潔、同時(shí)用市售除臭劑清除電冰箱內(nèi)的異味
冷凍食品變味
1、故障原因:冷凍食品未用塑料袋或保鮮紙嚴(yán)密包裝而串味
排除方法:冷凍食品應(yīng)使用烹袋或保鮮膜封裝
2、故障原因:制冷劑嚴(yán)重泄漏,被冷凍食品吸收而產(chǎn)生異味
排除方法:檢漏、補(bǔ)焊
3、故障原因:隔熱層材料破損,其氣味為冷凍食品所吸收
排除方法:更換隔熱層或內(nèi)膽
4、故障原因:冰盤在制冰前未洗凈,融霜水滴入,而使冰塊味不正
排除方法:制冷前先洗凈制冰盤
電動(dòng)機(jī)運(yùn)轉(zhuǎn)中過熱
1、故障原因:制冷劑充灌過多或有空氣存在,致使排氣壓力過高
排除方法:檢修、抽真空并排除多余制冷劑
2、故障原因:毛細(xì)管或干燥過濾器堵塞,使電動(dòng)機(jī)負(fù)載增大而過熱
排除方法:檢查、排堵或更換
3、故障原因:電壓過低(低于187V),使工作電流增大而電機(jī)過熱
排除方法:待電壓正常時(shí)再工作,或采用穩(wěn)壓器
4、故障原因:起動(dòng)電容器損壞,使電動(dòng)機(jī)難起動(dòng)或轉(zhuǎn)速慢,起動(dòng)電流劇增而引起電機(jī)過熱
排除方法:更換新電容器
5、故障原因:電動(dòng)機(jī)軸承損壞或部分繞組短路
排除方法:更換軸承,拆修或重繞電機(jī)繞組
6、故障原因:蒸發(fā)器或冷凝器管道中有堵塞
排除方法:檢查后排除堵塞
有電線燒焦味
1、故障原因:電源線被壓在箱底下,使電線短路
排除方法:取出電源線,更換或修復(fù)
2、故障原因:電源線貼在冰箱壓縮機(jī)外殼,因高溫致使塑膠線絕緣層烤出焦味
排除方法:移開電源線,并修復(fù)或更換
3、故障原因:電動(dòng)機(jī)起動(dòng)繼電器線圈短路而發(fā)出焦味
排除方法:檢查并拆修、更換
4、故障原因:全自動(dòng)化霜定時(shí)溫控器線圈短路而發(fā)出焦味
排除方法:檢查并拆修、更換
5、故障原因:壓縮機(jī)線圈短路而發(fā)出焦味
排除方法:檢查并重繞
接觸箱體或開門時(shí)有麻電感
1、故障原因:電冰箱未設(shè)接地線,或接地線障礙
排除方法:加接接地線,或檢查修整,使接地可靠
2、故障原因:因嚴(yán)重受潮,致使機(jī)殼與電器部件的絕緣性能降低(與地絕緣電阻小于2MΩ)
排除方法:擦干或烘干潮濕機(jī)電件
冰箱的保養(yǎng)
定期適當(dāng)保養(yǎng)可以延長(zhǎng)冰箱的使用壽命。保養(yǎng)冰箱前務(wù)必拔下電源插頭。
1、經(jīng)常清理冰箱背面或底部冷凝器和壓縮機(jī)上的灰塵。可使用吸塵器或毛刷除塵。注意不要用濕布去擦冷藏器和壓縮機(jī)上灰塵。
2、冰箱長(zhǎng)期停用時(shí),應(yīng)先切斷電源,取出箱內(nèi)一切食品,將箱內(nèi)外清理干凈,敞開箱門數(shù)日,使箱內(nèi)充分干燥并散掉冰箱內(nèi)的異味。
3、檢查排水管。如果排水管堵塞,水就會(huì)漏到冰箱內(nèi)。要用鐵絲捅一捅排水管,除去積在排水管上的東西。
4、不要忽略門封膠條的清洗,將漂白劑用10倍的水稀釋后用牙刷蘸濕清洗,最后用水將漂白劑沖去。膠條臟污易老化,會(huì)影響冰箱的密封性,增加耗電量。
5、檢查振動(dòng)、噪音以及壓縮機(jī)的溫度。運(yùn)行中摸壓縮機(jī)外殼,不應(yīng)有明顯的振動(dòng)感,白天不應(yīng)聽到壓縮機(jī)明顯啟動(dòng)的聲音。
6、注意檢查電源線上是否有裂縫,防止漏電。
7、用溫水或中性洗滌劑將冰箱內(nèi)外清洗并擦干,敞開冰箱門通風(fēng)干燥一天。
清潔冰箱外殼最好每天進(jìn)行,用微濕柔軟的布每天擦拭冰箱的外殼和拉手。清理內(nèi)膽前先切斷電源,把冰箱冷藏室內(nèi)的食物拿出來。軟布蘸上清水或食具洗潔精,輕輕擦洗,然后蘸清水將洗潔精拭去。拆下箱內(nèi)附件,用清水或洗潔精清洗。清潔冰箱的“開關(guān)”、“照明燈”和“溫控器”等設(shè)施時(shí),請(qǐng)把抹布或海綿擰得干一些。內(nèi)壁做完清潔后,可用軟布蘸取甘油(醫(yī)用開塞露)擦一遍冰箱內(nèi)壁,下次擦的時(shí)候會(huì)更容易。用酒精浸過的布清潔擦拭密封條。如果手邊沒有酒精,用1:1醋水擦拭密封條,消毒效果很好。用吸塵器或軟毛刷清理冰箱背面的通風(fēng)柵,不要用濕布,以免生銹。清潔完畢,插上電源,檢查溫度控制器是否設(shè)定在正確位置。
%3Chowto_content%3E[{"type":"paragraph","attrs":{"is_abstract":true},"children":[{"type":"text","text":"現(xiàn)在家家戶戶都離不開冰箱,冰箱對(duì)我們的生活有非常大的幫助,如果有吃不完的食物或者需要儲(chǔ)存食物都可以存放在冰箱里,以防止食品的變質(zhì)。這樣既方便又容易。但是由于冰箱夜以繼?地?作,有時(shí)難免會(huì)出現(xiàn)些故障,出現(xiàn)故障該怎么維修呢?","id":""}],"text":"","id":"doxcnSyaYSMYkYY84qoV2iLlVne"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"冰箱構(gòu)造","id":""}],"text":"","id":"doxcny8eWwigYgSUQ8B2GpJ78Ff"},{"type":"paragraph","children":[{"type":"text","text":"維修冰箱,首先我們需要了解冰箱的構(gòu)造。","id":""}],"text":"","id":"doxcnQyE6KSg8OI8k007VUWSVIf"},{"type":"paragraph","children":[{"type":"text","text":"家用電冰箱由箱體、制冷系統(tǒng)、溫度控制裝置三部分組成。","id":""}],"text":"","id":"doxcnmSCk8uQ66iuKo7nX7jXsvc"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"箱體","id":""}],"text":"","id":"doxcnayKYwqc2aSaIqTFWmyQA4b"},{"type":"paragraph","children":[{"type":"text","text":"箱體的組成:外殼、內(nèi)襯、絕熱層、臺(tái)面。","id":""}],"text":"","id":"doxcn8KsI4gkwyMgiArkeOsusSg"},{"type":"paragraph","children":[{"type":"text","text":"箱體的基本作用是絕熱,絕熱性能的優(yōu)劣直接關(guān)系到箱體的保溫性能。","id":""}],"text":"","id":"doxcnkcE4suUEyqGSCgGIRnNqFg"},{"type":"paragraph","children":[{"type":"text","text":"箱體的隔熱功能主要是從以下幾個(gè)方面來實(shí)現(xiàn)的:","id":""}],"text":"","id":"doxcnAU2WSyqI82ICIviF7MEYDh"},{"type":"paragraph","children":[{"type":"text","text":"1、外殼與內(nèi)襯之間填充絕熱材料。","id":""}],"text":"","id":"doxcnuCuEMewA6OqyED0xZfd75b"},{"type":"paragraph","children":[{"type":"text","text":"2、箱門裝有磁性密封條防止冷氣外漏和熱空氣侵入。","id":""}],"text":"","id":"doxcnME4SIQWOsGWQMD1JnMlQwd"},{"type":"paragraph","children":[{"type":"text","text":"3、箱頂?shù)捻敯逑旅鎵|有高密度聚苯乙烯泡沫板,起隔熱作用。","id":""}],"text":"","id":"doxcn2wAm8k4ICI2weMCwLxKqOd"},,"attrs":{"height":1164,"note":[{"type":"text","text":"箱體","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/6c2f46848b8347c38d19a62d7008859e","width":1214},"text":"","id":"doxcnYcaY0ugwqaasGBuWP5Pwpb"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"制冷系統(tǒng)","id":""}],"text":"","id":"doxcnssIE6I2CgMMmG8oNMWpmRe"},{"type":"paragraph","children":[{"type":"text","text":"制冷系統(tǒng)組成:壓縮機(jī)、冷凝器、蒸發(fā)器、毛細(xì)管。","id":""}],"text":"","id":"doxcnYSCskYUQ4cUKIHKQRUYpod"},{"type":"paragraph","children":[{"type":"text","text":"制冷系統(tǒng)自成一個(gè)封閉的循環(huán)系統(tǒng)。其中蒸發(fā)器安裝在電冰箱內(nèi)部的上方,其他部件安裝在電冰箱的背面。","id":""}],"text":"","id":"doxcnoQk8A6cYG6Q0ik1MiiFAVe"},{"type":"paragraph","children":[{"type":"text","text":"工作原理:","id":""},{"type":"text","text":"系統(tǒng)里充灌了一種叫“氟里12(CF2Cl2,國(guó)際符號(hào)R12)”的物質(zhì)作為制冷劑(氟利昂類包括氟利昂12和氟利昂11等等是一般傳統(tǒng)的制冷劑,現(xiàn)在更多的是新興的無氟制冷劑如R600a、R404a等,不過制冷原理是一樣的)","id":""},{"type":"text","text":"。氟里昂12在蒸發(fā)器里由低壓液體汽化為氣體,吸收冰箱內(nèi)的熱量,使箱內(nèi)溫度降低。變成氣態(tài)的氟里昂12被壓縮機(jī)吸入,靠壓縮機(jī)把它壓縮成高溫高壓的氣體,再排入冷凝器。在冷凝器中氣態(tài)的氟里昂12不斷向周圍空間放熱,逐步液化成液體。這些高壓液體必須流經(jīng)毛細(xì)管,節(jié)流降壓才能緩慢流入蒸發(fā)器,維持在蒸發(fā)器里繼續(xù)不斷地汽化,吸熱降溫。就這樣,冰箱利用電能做功,借助制冷劑的物態(tài)變化,把箱內(nèi)蒸發(fā)器周圍的熱量搬送到箱后冷凝器里去放出,如此周而復(fù)始不斷地循環(huán),以達(dá)到制冷目的。","id":""}],"text":"","id":"doxcnCQqycyuqcCccDixbv54foA"},,"attrs":{"height":1260,"note":[{"type":"text","text":"制冷系統(tǒng)","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/4967c1671e144373873c954bb06dd43d","width":1469},"text":"","id":"doxcnEmouOeuwckuwEl3LH9awxc"},{"type":"paragraph","children":[{"type":"text","text":"內(nèi)部汽化吸熱?→?外部液化放熱→?箱內(nèi)溫度降低","id":""}],"text":"","id":"doxcn2gGgosKSUascMhUQG1ORee"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"溫度控制裝置","id":""}],"text":"","id":"doxcn0Su2Gs6WUUGQA1XeAg9OBb"},{"type":"paragraph","children":[{"type":"text","text":"冰箱的溫度控制裝置叫溫度控制器。它的主要作用是當(dāng)箱內(nèi)溫度過高時(shí)接通壓縮機(jī),使制冷系統(tǒng)工作,從而使箱溫降下來,當(dāng)箱溫降至要求的溫度時(shí),使壓縮機(jī)斷電。","id":""}],"text":"","id":"doxcncckYKGuqYiKi48GDJMHztd"},,"attrs":{"height":382,"note":[{"type":"text","text":"溫度控制裝置","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/39a6b879e3344178832abdf1454f1748","width":606},"text":"","id":"doxcnwO8YKkeO04wisD6Bm7KIwe"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"故障檢測(cè)方法","id":""}],"text":"","id":"doxcnkS2oIqsICgmi0WfAdYkQpd"},{"type":"paragraph","children":[{"type":"text","text":"冰箱故障的檢查方法一般可分為問、看、聽、摸、測(cè)試等。通過檢查,綜合分析判斷,逐漸縮小故障范圍,找出故障點(diǎn)。","id":""}],"text":"","id":"doxcnYSau22KUECqa4ryfhanyth"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"問","id":""}],"text":"","id":"doxcnWEU4SooCiMYOqyJjX9Qgwc"},{"type":"paragraph","children":[{"type":"text","text":"首先問明冰箱的使用情況、故障現(xiàn)象及使用年限,特別是舊機(jī)器,要了解機(jī)器的故障史及以前維修后的使用情況,對(duì)曾維修過制冷系統(tǒng)的機(jī)器,要多留意冰堵、臟堵、混入空氣、冷凍油是否變質(zhì)等故障。","id":""}],"text":"","id":"doxcnKkkkmoWqAMqGMHnbCOwPTe"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"看","id":""}],"text":"","id":"doxcnKEImAuCyW0IIgRslJN816d"},{"type":"paragraph","children":[{"type":"text","text":"1、首先看蒸發(fā)器結(jié)霜的情況,在壓縮機(jī)運(yùn)轉(zhuǎn)的情況下,如果出現(xiàn)蒸發(fā)器表面無霜、結(jié)不滿霜或結(jié)霜不實(shí)等情況,都說明制冷系統(tǒng)工作不正常。","id":""}],"text":"","id":"doxcnSyaew0IoKMKoMJMaXN0xlf"},{"type":"paragraph","children":[{"type":"text","text":"2、冰箱冷凍室結(jié)冰,說明溫控器溫差過大,停機(jī)時(shí)間過長(zhǎng)等因素造成的,直冷式雙門冰箱的冷藏室蒸發(fā)器總是結(jié)滿霜而無結(jié)霜、化霜交替變化,說明溫控器發(fā)生故障。","id":""}],"text":"","id":"doxcn4Q62IYoC2eeqiU1BehcCod"},{"type":"paragraph","children":[{"type":"text","text":"3、檢查制冷系統(tǒng)中管路的各個(gè)焊接處及蒸發(fā)器表面,看是否有滲漏的痕跡,凡滲漏處都會(huì)有油漬。","id":""}],"text":"","id":"doxcnMGIooIU4GU8iAJ2fGaZvac"},{"type":"paragraph","children":[{"type":"text","text":"4、查看壓縮機(jī)回氣管是否結(jié)霜,如結(jié)霜,則說明制冷劑沖入量過多,對(duì)于間冷式冰箱,如壓縮機(jī)回氣管結(jié)霜,還應(yīng)考慮是否由于風(fēng)扇不轉(zhuǎn)而引起。遇到這種情況,可以打開箱門,按下門框按鈕,查看風(fēng)扇是否旋轉(zhuǎn)。","id":""}],"text":"","id":"doxcnowQi6Aqwaows3J4464c9iA"},{"type":"paragraph","children":[{"type":"text","text":"5、查看箱門是否有縫隙。如果箱門有縫隙,則冰箱保溫性能差,導(dǎo)致壓縮機(jī)開機(jī)時(shí)間長(zhǎng),停機(jī)時(shí)間短,而且冰箱結(jié)霜多。","id":""}],"text":"","id":"doxcnW6ku4sE20MM0Af2qv7Htgf"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"聽","id":""}],"text":"","id":"doxcni68MKCEIi2yy0mPGxd5Dzh"},{"type":"paragraph","children":[{"type":"text","text":"1、接通冰箱電源,如果聽到啟動(dòng)器“叭嗒”一聲,壓縮機(jī)在0.2秒至0.5秒內(nèi)啟動(dòng),隨后壓縮機(jī)發(fā)出輕微而且有節(jié)奏的運(yùn)轉(zhuǎn)聲,說明壓縮機(jī)啟動(dòng)正常。如壓縮機(jī)發(fā)出沉悶的“嗡嗡”聲,而后連續(xù)聽到“叭嗒”的啟動(dòng)器觸點(diǎn)斷開、吸合的聲音,有時(shí)還帶有壓縮機(jī)的振動(dòng)聲,最后可以聽到熱保護(hù)器“叭”的一聲響,隨后切斷壓縮機(jī)電源。此故障可以考慮以下原因:","id":""}],"text":"","id":"doxcnuwMuqEeue46iAzKQ0ppEle"},{"type":"paragraph","children":[{"type":"text","text":"a、電源電壓低,壓縮機(jī)卡缸、抱缸軸。","id":""}],"text":"","id":"doxcnKGwia6SSAKiGuQcTLHcNpf"},{"type":"paragraph","children":[{"type":"text","text":"b、電動(dòng)機(jī)掃堂。","id":""}],"text":"","id":"doxcn4okYEEO8mY46Quz3xbygab"},{"type":"paragraph","children":[{"type":"text","text":"c、電動(dòng)機(jī)繞組短路。","id":""}],"text":"","id":"doxcnGkqMqsYe0u2q85dQ2lGDUc"},{"type":"paragraph","children":[{"type":"text","text":"d、電動(dòng)機(jī)啟動(dòng)繞組開路。","id":""}],"text":"","id":"doxcnwqSmqoMuMMGIsxdOaEeLDc"},{"type":"paragraph","children":[{"type":"text","text":"e、氣路系統(tǒng)管路堵塞。","id":""}],"text":"","id":"doxcngks4WwQSkmqmum1OxWzNNf"},{"type":"paragraph","children":[{"type":"text","text":"f、啟動(dòng)繼電器故障等。使用排除法,確定故障原因。","id":""}],"text":"","id":"doxcnec2coiCOUS4kk4fXIhaBXw"},{"type":"paragraph","children":[{"type":"text","text":"2、壓縮機(jī)運(yùn)轉(zhuǎn)時(shí),機(jī)殼內(nèi)有明顯的噴氣聲,說明壓縮機(jī)排氣緩沖管斷裂漏氣。若壓縮機(jī)機(jī)殼有破裂聲,說明壓縮機(jī)高、低壓閥片破裂、漏氣。壓縮機(jī)剛停機(jī)時(shí),聽到機(jī)殼內(nèi)有明顯的跑氣聲音,說明壓縮機(jī)閥板的高低壓紙墊被擊穿、排氣減震管泄漏、閥片磨損或閥片、閥口處積碳。壓縮機(jī)運(yùn)轉(zhuǎn)時(shí),如果機(jī)殼發(fā)出“當(dāng)當(dāng)”的撞擊聲,說明壓縮機(jī)內(nèi)支撐彈簧斷裂或疲勞變形。","id":""}],"text":"","id":"doxcnUesOKwaGYmu8f3TE41vvdY"},{"type":"paragraph","children":[{"type":"text","text":"3、高壓液態(tài)制冷劑通過毛細(xì)管進(jìn)入蒸發(fā)器,迅速蒸發(fā)沸騰,同時(shí)發(fā)出“嘶嘶”的氣流聲音,并時(shí)常伴流水的聲音,屬于正常現(xiàn)象。如果聽到蒸發(fā)器內(nèi)有“嘰嘰”聲,或者有斷斷續(xù)續(xù)的憋氣聲,故障通常為臟堵、油堵或者冰堵。周期性較長(zhǎng)的斷續(xù)噴氣聲一般為冰堵。若蒸發(fā)器內(nèi)只有氣流聲,而且不結(jié)霜,說明系統(tǒng)內(nèi)制冷劑基本漏完。","id":""}],"text":"","id":"doxcn0SE6QWE4OCYYM9VBJedmyf"},{"type":"paragraph","children":[{"type":"text","text":"4、冰箱有時(shí)發(fā)出斷斷續(xù)續(xù)的噪音,往往是由于冰箱支腳落地不穩(wěn),制冷系統(tǒng)管路相互碰撞以及壓縮機(jī)與箱體底座螺絲松動(dòng)等原因引起共振造成的。","id":""}],"text":"","id":"doxcnKgIgCekGSWssw7yXvdQ1De"},,"attrs":{"height":683,"note":[{"type":"text","text":"聽","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/208c2b534dff48a8a30c6f0fcacdd42d","width":1024},"text":"","id":"doxcn60gOy4UEmaKwqSTG2p9Wqb"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"摸","id":""}],"text":"","id":"doxcnIoo2ie0oaUkk6XWso6BsFd"},{"type":"paragraph","children":[{"type":"text","text":"冰箱正常運(yùn)行時(shí),制冷系統(tǒng)各個(gè)部分的溫度通過觸摸,可以對(duì)制冷系統(tǒng)狀況有個(gè)大致的判斷。(制冷系統(tǒng)各個(gè)部分的溫度還受環(huán)境溫度的影響,環(huán)境溫度升高時(shí),冷凝器、過濾器、回氣管和壓縮機(jī)的溫度明顯升高,反之,上述部分的溫度明顯降低。)","id":""}],"text":"","id":"doxcnuoMWgKiMK4iqC2U3C5TyIf"},{"type":"paragraph","children":[{"type":"text","text":"1、壓縮機(jī)運(yùn)轉(zhuǎn)時(shí),觸摸冷凝器上部,應(yīng)很熱(大于55℃)。如不熱,可能是制冷系統(tǒng)漏氣、堵塞或壓縮機(jī)沒有排氣壓力等故障。","id":""}],"text":"","id":"doxcn6aeSgUCmy6wOUfia5wyBXc"},{"type":"paragraph","children":[{"type":"text","text":"2、正常時(shí),觸摸干燥過濾器應(yīng)有熱的感覺(約55℃)。如制冷系統(tǒng)過臟,會(huì)造成干燥過濾器溫度升高,對(duì)于剛剛維修過的冰箱,如果干燥過濾器溫度過高,一般為毛細(xì)管阻流偏大,制冷劑充入量過大。","id":""}],"text":"","id":"doxcncGaOAk6gGyKcuCbwlgkrsc"},{"type":"paragraph","children":[{"type":"text","text":"3、壓縮機(jī)正常工作時(shí),觸摸壓縮機(jī)回氣管,應(yīng)沒有熱感(接近于環(huán)境溫度)。如果溫度高,說明系統(tǒng)少制冷劑,管路微堵或系統(tǒng)中混入空氣。如果感覺到冷或者有露水甚至結(jié)霜時(shí),說明制冷劑充入量過多。","id":""}],"text":"","id":"doxcnQKioqUoeCYqmIXwe10HVye"},{"type":"paragraph","children":[{"type":"text","text":"4、壓縮機(jī)機(jī)殼的溫度一般在70℃以下。即使在夏季,冰箱首次開機(jī)時(shí),壓縮機(jī)經(jīng)過連續(xù)長(zhǎng)時(shí)間的工作,機(jī)殼溫度也不超過85℃。","id":""}],"text":"","id":"doxcncIwMK4YcwsaSYlZ5VU5PKf"},{"type":"paragraph","children":[{"type":"text","text":"5、如果蒸發(fā)器上結(jié)的霜用手一摸就脫落(稱為虛霜),并且壓縮機(jī)回氣管結(jié)滿霜,說明充入的制冷劑過多或新?lián)Q的毛細(xì)管過粗、過短。","id":""}],"text":"","id":"doxcnS8sgiMOA0W6kSoJNElZhGb"},{"type":"paragraph","children":[{"type":"text","text":"6、用手觸摸蒸發(fā)器表面,如果發(fā)現(xiàn)蒸發(fā)器結(jié)不滿霜,說明系統(tǒng)制冷劑不足或毛細(xì)管半堵塞。","id":""}],"text":"","id":"doxcnksA2EqAYQWMeaKrVw1EfSb"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"測(cè)試","id":""}],"text":"","id":"doxcnC8um6cEM46uyk9QHa3CACd"},{"type":"paragraph","children":[{"type":"text","text":"通過測(cè)量冰箱的溫度、壓力、開機(jī)與停機(jī)比、運(yùn)轉(zhuǎn)電流以及壓縮機(jī)的絕緣電阻和直流電阻等,對(duì)冰箱進(jìn)行檢查。","id":""}],"text":"","id":"doxcnOo84cMK80OOclZPlpIw8Ez"},{"type":"paragraph","children":[{"type":"text","text":"1、測(cè)溫度","id":""}],"text":"","id":"doxcne6SkqEo2IyasS249fd8KVd"},{"type":"paragraph","children":[{"type":"text","text":"用電機(jī)溫度計(jì)測(cè)量電冰箱的溫度。電冰箱的溫度按國(guó)家標(biāo)準(zhǔn)吸氣溫度為三十二攝氏度,蒸發(fā)溫度為負(fù)二十三攝氏度一下,排氣溫度為五十五攝氏度左右,過冷溫度為三十二攝氏度左右。","id":""}],"text":"","id":"doxcnkEuQwkYYMy8i81xkWnPKph"},{"type":"paragraph","children":[{"type":"text","text":"1、冰箱靠近墻面放置會(huì)導(dǎo)致冰箱發(fā)燙,也不能在冰箱的周圍覆蓋東西,這樣都會(huì)阻礙冰箱散熱,使溫度上升,應(yīng)該保持冰箱有足夠的空間散熱。","id":""}],"text":"","id":"doxcn6864EsUsMYCI08pBFPtVle"},{"type":"paragraph","children":[{"type":"text","text":"2、在使用冰箱的時(shí)候不要打開頻繁,頻繁的打開冰箱會(huì)讓里的溫度升高,加大冰箱的工作量,冰箱長(zhǎng)期處于運(yùn)轉(zhuǎn)狀態(tài)就會(huì)使溫度更高的。這時(shí)要減少開冰箱的次數(shù)。","id":""}],"text":"","id":"doxcnsAUC26SWou4sMBg8SyqRUc"},{"type":"paragraph","children":[{"type":"text","text":"3、停用之后特別是在夏季溫度很高的時(shí)候,冰箱要達(dá)到設(shè)定的制冷溫度會(huì)需要很長(zhǎng)時(shí)間,長(zhǎng)時(shí)間的運(yùn)轉(zhuǎn)就會(huì)使冰箱的溫度升高,冰箱一旦使用最好不要停用了。","id":""}],"text":"","id":"doxcnUmqaU4KI6ImGCeh06TuLJd"},{"type":"paragraph","children":[{"type":"text","text":"2、測(cè)壓力","id":""}],"text":"","id":"doxcnCgYws6MWCmeCQvCsl6vOWc"},{"type":"paragraph","children":[{"type":"text","text":"冰箱的正常壓力值在0.03~0.08mpa。","id":""}],"text":"","id":"doxcncU4mcgKq4yKCoj9QXr4Keg"},{"type":"paragraph","children":[{"type":"text","text":"a、吸氣壓力過高,通常由:制冷劑充入過多、新?lián)Q毛細(xì)管過短、壓縮機(jī)性能*的原因引起。","id":""}],"text":"","id":"doxcnQ4kom2eemwimepyuqtanix"},{"type":"paragraph","children":[{"type":"text","text":"b、出現(xiàn)吸氣壓力為負(fù)壓時(shí),通常由:制冷劑不足、系統(tǒng)內(nèi)有堵塞現(xiàn)象、新?lián)Q毛細(xì)管太細(xì)、太長(zhǎng)。","id":""}],"text":"","id":"doxcnGe4aIqm4Aey8WuswiCF7Bc"},{"type":"paragraph","children":[{"type":"text","text":"2、測(cè)量冰箱的開機(jī)與停機(jī)之比","id":""}],"text":"","id":"doxcnS8oUSqQ0s6W0CRzEyVvaYj"},{"type":"paragraph","children":[{"type":"text","text":"冰箱的開機(jī)與停機(jī)之比與它的制冷系統(tǒng)、保溫性能、溫控器性能、調(diào)節(jié)位置、環(huán)境溫度、電路系統(tǒng)、冰箱內(nèi)食品的多少以及開門次數(shù)等有著直接的關(guān)系。","id":""}],"text":"","id":"doxcnGwSQigqmi6cMIBbQ5ohNad"},{"type":"paragraph","children":[{"type":"text","text":"3、測(cè)量工作電流","id":""}],"text":"","id":"doxcnCKiYMieG8k4w6fit17iVDd"},{"type":"paragraph","children":[{"type":"text","text":"1、如果工作電流大于額定電流,說明制冷劑充入量過多,制冷系統(tǒng)微堵、壓縮機(jī)局部短路。","id":""}],"text":"","id":"doxcneOUqwAY2COcSgdUCIr5IZb"},{"type":"paragraph","children":[{"type":"text","text":"2、如果工作電流小于額定電流,說明制冷系統(tǒng)有泄漏或系統(tǒng)完全堵塞。","id":""}],"text":"","id":"doxcnoSuyKwEyY0uoUZoVO5HTVb"},{"type":"paragraph","children":[{"type":"text","text":"3、測(cè)量絕緣電阻和直流電阻:(對(duì)于匝間短路不嚴(yán)重或匝間絕緣不良的電機(jī)繞組,用電阻測(cè)量方法很難分辨電機(jī)故障,因此只能采用測(cè)量工作電流的方法來判斷)。","id":""}],"text":"","id":"doxcnkAswaS2GS0OEUjnEzAaSwe"},{"type":"paragraph","children":[{"type":"text","text":"缺少制冷劑,或蒸發(fā)器內(nèi)有沉積的冷凍機(jī)油,導(dǎo)致壓縮機(jī)效率降低。","id":""}],"text":"","id":"doxcngYe0C8qMqciIYzcJ0WfPug"},,"attrs":{"height":682,"note":[{"type":"text","text":"測(cè)試","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/143c8d7d1cf0426eb78940ecef28e219","width":1024},"text":"","id":"doxcnM0OEImU0woqQIz46fJuVmh"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"冰箱故障分類","id":""}],"text":"","id":"doxcnesoIK2kiyq8G64XKECyHwh"},{"type":"paragraph","children":[{"type":"text","text":"電冰箱的故障可分為電氣系統(tǒng)故障和制冷系統(tǒng)故障兩大類。","id":""}],"text":"","id":"doxcnyQsI2GSuOuC4PkKIwkyRhV"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"電氣系統(tǒng)故障分析","id":""}],"text":"","id":"doxcnmYYqeSigsq4oKSBomTsdBc"},{"type":"paragraph","children":[{"type":"text","text":"電氣系統(tǒng)主要包括溫控部分和壓縮機(jī)電動(dòng)機(jī)控制部分。由此而引起的故障現(xiàn)象是電冰箱接通電源后壓縮機(jī)不起動(dòng)和接通電源后壓縮機(jī)運(yùn)轉(zhuǎn)不停。","id":""}],"text":"","id":"doxcnyc8wwCcCCugcIfePkn2lig"},{"type":"paragraph","children":[{"type":"text","text":"1、首先用萬用表歐姆擋測(cè)量冰箱電源插頭的阻值。","id":""}],"text":"","id":"doxcnKgGCq4cGOaugeC5IYT39Be"},{"type":"paragraph","children":[{"type":"text","text":"壓縮機(jī)的三個(gè)接線端子以及與起動(dòng)器之間的接線情況如圖所示:C——公共端、M——運(yùn)行端、S——起動(dòng)端。","id":""}],"text":"","id":"doxcn2OsGGaAa440ysx1TwD7SGd"},{"type":"paragraph","children":[{"type":"text","text":"各繞組間直流電阻值如下:運(yùn)行繞組C、M兩端約10.5Ω;起動(dòng)繞組C、S兩端約22Ω;而運(yùn)行和起動(dòng)繞組阻值的和即S、M端的阻值約為32.5Ω。正常時(shí)電路所有的開關(guān)觸點(diǎn)都接通,對(duì)于重錘起動(dòng)器式的冰箱,因重錘式起動(dòng)器觸點(diǎn)未通電而未接通,回路阻值為壓縮機(jī)運(yùn)行繞組的阻值,一般為10—20Ω左右,對(duì)于PTC起動(dòng)冰箱,回路的直流電阻為起動(dòng)器20Ω阻值與起動(dòng)繞組串聯(lián)后再與運(yùn)行繞組并聯(lián),所以其電阻略小于壓縮機(jī)運(yùn)行繞組的阻值。","id":""}],"text":"","id":"doxcnO4IQyQSgkY2K2pRit5IwWb"},{"type":"paragraph","children":[{"type":"text","text":"通過測(cè)得的阻值來判斷電路的工作狀態(tài),阻值偏大時(shí),要檢查溫度控制器、過載保護(hù)器、壓縮機(jī)電動(dòng)機(jī)以及線路和觸點(diǎn)接觸情況,阻值偏小時(shí)一般是短路,主要檢查壓縮機(jī)電動(dòng)機(jī)及其線路。","id":""}],"text":"","id":"doxcnGcWmSmmcs6yYWXFGLl0oBV"},{"type":"paragraph","children":[{"type":"text","text":" ","id":""}],"text":"","id":"doxcnSaaku0GqOwGKCwIZPjoG4g"},,"attrs":{"height":407,"note":[{"type":"text","text":"電氣系統(tǒng)故障分析","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/d2e35941082245239287ccc8e4fbdb0c","width":660},"text":"","id":"doxcn6S6e6qOACgQUQdPGlSByIc"},{"type":"paragraph","children":[{"type":"text","text":"2、要進(jìn)一步判斷還要對(duì)冰箱通電檢查。","id":""}],"text":"","id":"doxcnOaYgC2yk0MWOgFsuW9CUmg"},{"type":"paragraph","children":[{"type":"text","text":"通電前先檢查溫控器開關(guān)是否正常。如溫度控制器裝在電冰箱的冷藏室內(nèi),當(dāng)放置的環(huán)境溫度低于設(shè)計(jì)溫度時(shí)不會(huì)起動(dòng)運(yùn)轉(zhuǎn),故有的冰箱設(shè)計(jì)了冬季補(bǔ)償開關(guān),補(bǔ)償開關(guān)打開后則溫度控制器感溫管附近的加熱器開始加熱,強(qiáng)制升溫使壓縮機(jī)運(yùn)轉(zhuǎn),目的是犧牲冷藏室的正常溫度而保證冷凍室的溫度。","id":""}],"text":"","id":"doxcnoQEEk68qSowmakJP9C5B6f"},{"type":"paragraph","children":[{"type":"text","text":"如果溫控器內(nèi)的開關(guān)都正常,而通電后壓縮機(jī)不起動(dòng),可用一根導(dǎo)線短接重錘式起動(dòng)器的兩個(gè)靜觸點(diǎn),注意導(dǎo)線短接時(shí)間不要太長(zhǎng),以不超過2s為宜,時(shí)間長(zhǎng)將會(huì)使起動(dòng)繞組燒壞。如果短接后冰箱能起動(dòng),說明起動(dòng)器有故障,重錘式起動(dòng)器長(zhǎng)期起動(dòng)易使觸點(diǎn)燒壞,測(cè)量時(shí)拆下起動(dòng)器,用萬用表歐姆RX1擋,將兩表筆插入接線柱插孔內(nèi)。起動(dòng)器正著放時(shí)相當(dāng)于正常運(yùn)轉(zhuǎn)狀態(tài),即未接通,萬用表測(cè)量阻值為無窮大;將起動(dòng)器倒過來時(shí)相當(dāng)于起動(dòng)狀態(tài),萬用表指示為0Ω,則說明起動(dòng)器是好的。","id":""}],"text":"","id":"doxcnckk4ieSsGKmwWw7XKKXhYc"},{"type":"paragraph","children":[{"type":"text","text":"如果用導(dǎo)線短接后仍不能起動(dòng),就需要檢查保護(hù)器。可用短接法檢查保護(hù)器,將保護(hù)器的兩個(gè)接線銅片短接起來,如果冰箱能夠起動(dòng)運(yùn)轉(zhuǎn),說明保護(hù)器有故障,可能是電熱絲燒斷或碟形雙金屬片受阻不能下翻,如果冰箱仍不能起動(dòng),則是壓縮機(jī)或起動(dòng)器有問題。檢查時(shí),把起動(dòng)器和保護(hù)器拆下,露出電動(dòng)機(jī)的三根接線柱。測(cè)每?jī)蓚€(gè)接線柱之間的電阻值,如正常,說明電動(dòng)機(jī)繞組沒有故障。如不正常,不要急于拆開壓縮機(jī),可以采用直接接通電源的方法進(jìn)行檢查。具體辦法是:用帶有電源插頭的兩根電源線接在M、C接線柱上,也就是運(yùn)行繞組上,再用螺釘旋具作為導(dǎo)線同時(shí)碰觸M和S端,然后把插頭插入電源插座,如果電動(dòng)機(jī)和壓縮機(jī)沒有故障,就會(huì)起動(dòng)。起動(dòng)2s左右,就要把螺釘旋具移開,電動(dòng)機(jī)進(jìn)入正常運(yùn)轉(zhuǎn)。如果檢查壓縮機(jī)能起動(dòng)運(yùn)轉(zhuǎn),說明電動(dòng)機(jī)沒有故障,故障發(fā)生在電動(dòng)機(jī)外部,可能是外引線折斷或接線柱接觸不良,也可能是環(huán)境溫度過低等。否則為壓縮機(jī)故障。","id":""}],"text":"","id":"doxcnA8UGUYMAYIwgcF0s09gWNc"},,"attrs":{"height":857,"note":[{"type":"text","text":"電氣系統(tǒng)故障分析","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/d26aa2549a894478959f829391d8ae02","width":1024},"text":"","id":"doxcnQ6MsAC8yqWaGZzMxlC3eKi"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"制冷系統(tǒng)故障分析","id":""}],"text":"","id":"doxcnCUI6eWqqqimqErdYhDKydb"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"電冰箱不制冷","id":""}],"text":"","id":"doxcngsuYWGo4ouYqCKZMwAixJf"},{"type":"paragraph","children":[{"type":"text","text":"電冰箱運(yùn)轉(zhuǎn)不停,但是不制冷,冷凝器不熱,蒸發(fā)器不涼。這種故障一般出現(xiàn)在制冷系統(tǒng)。","id":""}],"text":"","id":"doxcnKqUWISm280uWIPeHuU8l9c"},{"type":"paragraph","children":[{"type":"text","text":"可能原因是制冷劑泄漏,或者冰堵、臟堵,或是壓縮機(jī)有故障。由于制冷系統(tǒng)是封閉的,所以可通過觀察管路表面有無油污、用手觸摸各部分的溫度、耳聽運(yùn)行聲音來檢查。","id":""}],"text":"","id":"doxcns2Sk66eEqcIU4GGAvQl3jd"},{"type":"paragraph","children":[{"type":"text","text":"1、檢查管路表面是否有油污","id":""}],"text":"","id":"doxcnAAcGC04SGEQ4wF2OBqTtEe"},{"type":"paragraph","children":[{"type":"text","text":"仔細(xì)檢查冷凝器、過濾器、毛細(xì)管、蒸發(fā)器;吸氣管、壓縮機(jī)外殼及管路結(jié)合處。如果發(fā)現(xiàn)有油污,說明制冷劑泄漏。這時(shí)可切開壓縮機(jī)的工藝管。如果有少量的制冷劑噴出,","id":""},{"type":"text","text":"就進(jìn)一步證明是制冷劑泄漏。","id":""}],"text":"","id":"doxcnAaIqmQsMq6W287kCzTaaAg"},{"type":"paragraph","children":[{"type":"text","text":"如果沒有油污,則需要進(jìn)一步檢查壓縮機(jī)的溫度。","id":""}],"text":"","id":"doxcn2KYImIAkCG2skl7nHNt7Ob"},{"type":"paragraph","children":[{"type":"text","text":"2、檢查壓縮機(jī)的溫度","id":""}],"text":"","id":"doxcnoYSIiKeGEUYksPilQ8Bo3c"},{"type":"paragraph","children":[{"type":"text","text":"用手摸壓縮機(jī),如果壓縮機(jī)的溫度不太高,和運(yùn)轉(zhuǎn)時(shí)差不多,說明管路暢通,沒有堵塞現(xiàn)象,而可能是高壓緩沖管破裂、活塞穿孔、排氣閥同吸氣閥短路等。這時(shí)可切開高壓排氣管,排出制冷劑。","id":""}],"text":"","id":"doxcn8cSUwOeaY4Oso57KcBtqGe"},{"type":"paragraph","children":[{"type":"text","text":"3、檢查壓縮機(jī)開機(jī)時(shí)的情況","id":""}],"text":"","id":"doxcnSqQIiC0Yk2e02vQHjbY1Db"},{"type":"paragraph","children":[{"type":"text","text":"切斷電冰箱的電源,打開箱門;使制冷系統(tǒng)各個(gè)部件恢復(fù)到室溫。然后接通電源,電冰箱啟動(dòng)運(yùn)轉(zhuǎn)。如果開始時(shí)蒸發(fā)器結(jié)霜較好,冷凝器發(fā)熱,低壓吸氣管發(fā)涼;由冰箱上部能聽到氣流聲和水流聲,但過一會(huì)兒,蒸發(fā)器結(jié)霜融化,只在毛細(xì)管同蒸發(fā)器結(jié)合部位結(jié)有少量霜;冷凝器不熱,低壓吸氣管不涼,用耳朵貼近電冰箱上部聽不到聲音,說明出現(xiàn)了冰堵。這時(shí)如果用熱毛巾敷在毛細(xì)管同蒸發(fā)器的結(jié)合處,又能重新制冷,則進(jìn)一步證實(shí)是冰堵。","id":""}],"text":"","id":"doxcn4iUKqmCMsYMKcNFY9n19Yg"},{"type":"paragraph","children":[{"type":"text","text":"如果開機(jī)的時(shí)候不見蒸發(fā)器結(jié)霜,冷凝器不熱,低壓氣管不涼,用耳朵貼近電冰箱上部聽不到聲音,則可以初步認(rèn)為發(fā)生了臟堵。這時(shí),可以切斷高壓排氣管,排出制冷劑,用手指按住排氣管,啟動(dòng)壓縮機(jī),如果手指感到有較大的壓力,說明管路發(fā)生臟堵。","id":""}],"text":"","id":"doxcn0e0gakWWyk0UIVDqGkdFZb"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"電冰箱制冷效果差","id":""}],"text":"","id":"doxcnEY6mau0CgiqOIXC0miEPEf"},{"type":"paragraph","children":[{"type":"text","text":"電冰箱運(yùn)轉(zhuǎn)不停,但箱內(nèi)溫度達(dá)不到要求,制冷效果差。這可能是由于使用不當(dāng)或箱門關(guān)閉不嚴(yán)造成的。也可能是制冷系統(tǒng)故障引起的。一般應(yīng)先檢查使用情況和箱門情況,再檢查制冷系統(tǒng)。","id":""}],"text":"","id":"doxcnIM868yO6GyqA8B03T2iI8f"},{"type":"paragraph","children":[{"type":"text","text":"1、檢查使用情況","id":""}],"text":"","id":"doxcnqUwWgacqQe8CMFIcn58Iqc"},{"type":"paragraph","children":[{"type":"text","text":"首先要了解環(huán)境溫度。如果高于43℃,制冷效果差一些是正常的。如果環(huán)境溫度不高,要打開箱門檢查。如果箱內(nèi)食品太多,特別是放入了溫度高的食品,食品釋放出大量的熱量;或者打開箱門次數(shù)太多,外界熱空氣不斷進(jìn)人箱內(nèi),或者未及時(shí)化霜等,所有這些都會(huì)使電冰箱長(zhǎng)時(shí)間運(yùn)轉(zhuǎn)不停,制冷效果差。","id":""}],"text":"","id":"doxcnKMO6yK2U26y22NZ3WUga3b"},{"type":"paragraph","children":[{"type":"text","text":"2、檢查箱門","id":""}],"text":"","id":"doxcniyaSMK2MAQ8C8R2QQqzqvf"},{"type":"paragraph","children":[{"type":"text","text":"電冰箱箱門關(guān)閉不嚴(yán),熱空氣會(huì)從縫隙處不斷進(jìn)入箱內(nèi)。這可能是磁性門封條失去磁性、老化變形,或是箱門翹曲造成的。","id":""}],"text":"","id":"doxcnWCaAqiOW0ccI0QeQrK8T8e"},{"type":"paragraph","children":[{"type":"text","text":"3、檢查制冷系統(tǒng)","id":""}],"text":"","id":"doxcnAAMeGWG0UGaowTnRl33Xue"},{"type":"paragraph","children":[{"type":"text","text":"如果使用情況正常,箱門又能關(guān)閉嚴(yán)密,那么制冷效果差的故障就出在制冷系統(tǒng)。由于制冷系統(tǒng)仍能工作,因此,可能是制冷劑部分泄漏、部分冰堵或部分臟堵,也可能是壓縮機(jī)內(nèi)部故障。","id":""}],"text":"","id":"doxcn2KQckQgCm2kmEXtYDo2dTe"},{"type":"paragraph","children":[{"type":"text","text":"檢查的順序是首先觀察管路表面有無油污。如果有油污,說明制冷劑部分泄漏,這時(shí)可以切開工藝管,灌入適量的氟里昂制冷劑,再次啟動(dòng)運(yùn)轉(zhuǎn)。如果運(yùn)轉(zhuǎn)正常,證明是制冷劑部分泄漏。如果管路表面沒有油污,可檢查開機(jī)時(shí)的情況。如果開機(jī)時(shí)制冷正常,蒸發(fā)器結(jié)霜良好,在電冰箱上部能聽到氣流聲和水流聲,但過了一會(huì)兒制冷效果變差,只能聽到微弱的氣流聲和流水聲,說明是部分冰堵。","id":""}],"text":"","id":"doxcnamsc6WIka8SAAZTvDBrnse"},{"type":"paragraph","children":[{"type":"text","text":"如果開機(jī)時(shí)制冷效果就差,用耳朵貼近冰箱上部只能聽到微弱的氣流聲和水流聲,這可能是臟堵或壓縮機(jī)內(nèi)部故障,需要進(jìn)一步檢查。這時(shí),可切開工藝管,灌入適量的氟里昂制冷劑,并接入氣壓表,啟動(dòng)壓縮機(jī)。如果氣壓表所示氣壓下降到正常值(0.06~0.08MPa)以下,說明壓縮機(jī)內(nèi)部沒有故障,只是管路有部分臟堵。如果氣壓下降到正常值以上,說明壓縮機(jī)性能下降,嚴(yán)重時(shí)需要拆開壓縮機(jī)詳細(xì)檢查和修理。","id":""}],"text":"","id":"doxcnuC6mQsCC8aKictqH7kaUtb"},{"type":"paragraph","children":[{"type":"text","text":"如果制冷系統(tǒng)混入空氣,或者制冷劑充加過多或不足,都可能影響制冷效果。","id":""}],"text":"","id":"doxcno6AAiymi6e0ARlYcCezqzd"},{"type":"paragraph","children":[{"type":"text","text":"制冷系統(tǒng)中充加過多的制冷劑,會(huì)使過多的制冷劑在蒸發(fā)器內(nèi)不能很好蒸發(fā),液體制冷劑返回壓縮機(jī)中,這樣壓縮機(jī)的吸氣量減少,制冷系統(tǒng)低壓端壓力升高,又影響蒸發(fā)器內(nèi)制冷劑的蒸發(fā)量;造成制冷能力下降。同時(shí),過多的制冷劑會(huì)占去冷凝器的一部分容積,減少散熱面積,使冷凝器的冷卻效率降低,吸氣壓力和蒸發(fā)溫度也相應(yīng)提高,吸氣管出現(xiàn)結(jié)霜現(xiàn)象。遇到這種情況,必須及時(shí)將多余的制冷劑排出制冷系統(tǒng),否則不但不能提高降溫效果,反而使壓縮機(jī)有液擊沖缸的危險(xiǎn)。","id":""}],"text":"","id":"doxcnqaY6KWyCuY2OWiMFFpxuog"},{"type":"paragraph","children":[{"type":"text","text":"制冷系統(tǒng)充加的制冷劑過少時(shí),會(huì)使蒸發(fā)器的蒸發(fā)表面積得不到充分利用,制冷量降低,蒸發(fā)器表面部分結(jié)霜,吸氣管溫度偏高。遇到這種情況,可以補(bǔ)充適量的制冷劑。","id":""}],"text":"","id":"doxcn0kMo0CW08iMCAXerVd5Nbf"},,"attrs":{"height":678,"note":[{"type":"text","text":"電冰箱制冷效果差","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/613ef5051017440889eeaef46a9919ba","width":1017},"text":"","id":"doxcngS6I6uYwGys0eMU2Qkvzzh"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"常見故障及檢修","id":""}],"text":"","id":"doxcnwKK8W0kS26g6KWB0psSp4c"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"通電后電機(jī)不起動(dòng)且無嗡嗡聲","id":""}],"text":"","id":"doxcnaYYqUs2aSwSKWEHL23067g"},{"type":"paragraph","children":[{"type":"text","text":"1、故障原因:保險(xiǎn)熔斷","id":""}],"text":"","id":"doxcnO60wg4AsWU8echKGGYLyqc"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:按要求更換保險(xiǎn)絲","id":""}],"text":"","id":"doxcnUOsQasc4IWaIqYjQ9t7Wgg"},{"type":"paragraph","children":[{"type":"text","text":"2、故障原因:接線松脫,插頭接觸不良","id":""}],"text":"","id":"doxcnqyUgAKU8MiiisjfoE2JH2Y"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:檢查線路,接好松脫處,插好插頭","id":""}],"text":"","id":"doxcnQGmq84qoq40mMXzwpVkBYe"},{"type":"paragraph","children":[{"type":"text","text":"3、故障原因:電機(jī)繞組短路、斷路或轉(zhuǎn)子卡死","id":""}],"text":"","id":"doxcnMQceuG46uWUOuoO0oeJKUe"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:檢修或重繞","id":""}],"text":"","id":"doxcniu6QiaUu4m0kYfaRjwRmLf"},{"type":"paragraph","children":[{"type":"text","text":"4、故障原因:起動(dòng)繼電器繞組燒斷","id":""}],"text":"","id":"doxcna0IMMwIWkgmS022QAZnRVf"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:更換","id":""}],"text":"","id":"doxcn4I68QiOaycC6KEVLaS7VMc"},{"type":"paragraph","children":[{"type":"text","text":"5、故障原因:溫控器開關(guān)未閉合,旋鈕處于“0”(或停)位置","id":""}],"text":"","id":"doxcnyKM4gKGeI2AE6qTsVuq9Jf"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:調(diào)整溫控器開關(guān),使其閉合","id":""}],"text":"","id":"doxcnceqS86aseEkyglQFt4e64g"},{"type":"paragraph","children":[{"type":"text","text":"6、故障原因:過載繼電器的接觸未閉合,或熱電阻絲燒斷","id":""}],"text":"","id":"doxcnAg46Q22eik6SwxKC6zaosd"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:檢查并調(diào)整使觸點(diǎn)閉合,更換電阻絲","id":""}],"text":"","id":"doxcnSakMOk8SCCO8SWpxfEAXbf"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"通電后電機(jī)不起動(dòng)但有嗡嗡聲","id":""}],"text":"","id":"doxcnyyQaUsI84WsE0Eu1xXcsZe"},{"type":"paragraph","children":[{"type":"text","text":"1、故障原因:電源電壓過低(低于187V)","id":""}],"text":"","id":"doxcnKAeIQOsIcAQwQ5oNnV8rFd"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:拔下電源插頭,等電壓正常后再插上,或加裝穩(wěn)壓器","id":""}],"text":"","id":"doxcnCCIOWoy6ySIcoP3XjEQnrd"},{"type":"paragraph","children":[{"type":"text","text":"2、故障原因:起動(dòng)繼電器未閉合或接觸不良","id":""}],"text":"","id":"doxcnomqkU0GsYUmK2n20wnMQxb"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:修理或更換","id":""}],"text":"","id":"doxcnIawU8omaG4CUYNVQwwzwxh"},{"type":"paragraph","children":[{"type":"text","text":"3、故障原因:電機(jī)起動(dòng)繞組斷路","id":""}],"text":"","id":"doxcnayyIOkKweM66Y90f0Z14Hf"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:重繞起動(dòng)繞組","id":""}],"text":"","id":"doxcng2kkieuAcCk6ae1cETrqWb"},{"type":"paragraph","children":[{"type":"text","text":"4、故障原因:起動(dòng)電容器短路、短路或失效","id":""}],"text":"","id":"doxcnO2kCQOU4sAoCsvIG8LEfBf"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:更換或檢修","id":""}],"text":"","id":"doxcnykAKkQ8iQq0yU9V6PvjrZf"},{"type":"paragraph","children":[{"type":"text","text":"5、故障原因:壓縮機(jī)負(fù)荷過重或制冷劑充灌過多","id":""}],"text":"","id":"doxcn0OECUEookYGKeykR3SBK1b"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:重新調(diào)整或減少制冷劑","id":""}],"text":"","id":"doxcn4eEYWkkMKqOSokXGruRUfi"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"完全不制冷","id":""}],"text":"","id":"doxcnW4oMO666kseGALA7hxvVfS"},{"type":"paragraph","children":[{"type":"text","text":"1、故障原因:電源插頭松動(dòng)或脫落","id":""}],"text":"","id":"doxcnkc2EuMMs8ciYAj0pK1GEvf"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:重新插好電源插頭","id":""}],"text":"","id":"doxcnsIkI2yOOgYEMqm5Jt4cyqb"},{"type":"paragraph","children":[{"type":"text","text":"2、故障原因:電源保險(xiǎn)絲熔斷","id":""}],"text":"","id":"doxcneQUGs8cKSSqksdNTsgtXSg"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:按要求更換保險(xiǎn)絲","id":""}],"text":"","id":"doxcnoGOG2omUiqUimEiPs2E7Yd"},{"type":"paragraph","children":[{"type":"text","text":"3、故障原因:停電","id":""}],"text":"","id":"doxcnAo4es8qOywAigFaqyYFvge"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:待恢復(fù)供電時(shí)再使用","id":""}],"text":"","id":"doxcnC4SUC8Yy0602MD5VQepGpd"},{"type":"paragraph","children":[{"type":"text","text":"4、故障原因:電源電壓過低","id":""}],"text":"","id":"doxcnQcykOcUmE00w8nLMoOUf5d"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:拔下電源插頭,待電壓正常后再插上或加裝穩(wěn)壓器","id":""}],"text":"","id":"doxcn2aI4kqCQc2G8YRpxEfiXId"},{"type":"paragraph","children":[{"type":"text","text":"5、故障原因:溫度控制鈕在“0”(或“停”)的位置","id":""}],"text":"","id":"doxcn4gySWY2euQomeKb0iZuDig"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:調(diào)整溫控器旋鈕,使其處于某一適當(dāng)位置,開關(guān)觸點(diǎn)閉合","id":""}],"text":"","id":"doxcnOmyc8Gk0aAGgUlA0Eni5Kd"},{"type":"paragraph","children":[{"type":"text","text":"6、故障原因:過載保護(hù)斷電器斷路或起動(dòng)繼電器觸點(diǎn)接觸不良","id":""}],"text":"","id":"doxcnY46QaiuUMuIeWuKbn1mxUg"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:修理或更換","id":""}],"text":"","id":"doxcngcKcUogi4KmWu4JVkenmPd"},{"type":"paragraph","children":[{"type":"text","text":"7、故障原因:壓縮機(jī)卡死或電動(dòng)機(jī)故障","id":""}],"text":"","id":"doxcn60su6E4SaoY8ucovo9WNNd"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:修理或更換","id":""}],"text":"","id":"doxcnQY68eI08S0QGEZMG63Rh6f"},{"type":"paragraph","children":[{"type":"text","text":"8、制冷劑漏失或毛細(xì)管堵塞、干燥過濾器臟堵","id":""}],"text":"","id":"doxcnMuS62SmQmMisSIuZF72owf"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:修理","id":""}],"text":"","id":"doxcn2uEYMSSkS2skyeqhzcpNWd"},,"attrs":{"height":679,"note":[{"type":"text","text":"完全不制冷","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/2a562549d05746498964ac5e5986a703","width":1018},"text":"","id":"doxcnWYCUsUisQqyoc7Tliep9Id"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"冷藏室溫度偏高","id":""}],"text":"","id":"doxcnWmEIEOkoI4usM7cyHR5Zbf"},{"type":"paragraph","children":[{"type":"text","text":"1、故障原因:溫控器旋鈕調(diào)得不合適(數(shù)字過小)","id":""}],"text":"","id":"doxcneeYwIcO4CqMUEBCmsjVJZe"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:重調(diào)溫控器旋鈕至數(shù)字較大位置","id":""}],"text":"","id":"doxcnEceaIWAI0AiQc0j9gOtXu1"},{"type":"paragraph","children":[{"type":"text","text":"2、故障原因:電冰箱受陽光直射、接近熱源或冷凝器較臟,散熱不佳","id":""}],"text":"","id":"doxcnmg2QSmYiAa4Ecz0c43rH3X"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:重新放置電冰箱,清潔冷凝器","id":""}],"text":"","id":"doxcnWKyqwcMe6YIeKSLmgxVWBh"},{"type":"paragraph","children":[{"type":"text","text":"3、故障原因:冷藏室放置食物過多、過密或放入熱的食物","id":""}],"text":"","id":"doxcnaI4Km464OEmE0W7AIrSUxg"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:減少與重新放置貯存食物,留出適當(dāng)空隙,熱的食物放涼后再放入","id":""}],"text":"","id":"doxcnKCMoaQSQQSwGCqTshei7gc"},{"type":"paragraph","children":[{"type":"text","text":"4、故障原因:開門過于頻繁或開門時(shí)間過長(zhǎng)","id":""}],"text":"","id":"doxcnw4yiug6AAQQyIZI9bvaFqc"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:減少開門次數(shù)和時(shí)間","id":""}],"text":"","id":"doxcnYAmi4ow0amMAoLBGuiMlfe"},{"type":"paragraph","children":[{"type":"text","text":"5、故障原因:蒸發(fā)表面結(jié)霜過厚(超過5mm)或結(jié)冰","id":""}],"text":"","id":"doxcnSycQ4miOUSQUuK7dLaC2Xg"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:將霜或冰化掉","id":""}],"text":"","id":"doxcneGaEmoO2uy0MmqtDeRTgGh"},{"type":"paragraph","children":[{"type":"text","text":"6、故障原因:門封不嚴(yán)","id":""}],"text":"","id":"doxcnokgWgaQwueyWG8SMdmlpkd"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:檢修并適當(dāng)調(diào)平箱體(稍后仰)使門封嚴(yán)密","id":""}],"text":"","id":"doxcnGKsesKiKSwai4hHM44Go9g"},{"type":"paragraph","children":[{"type":"text","text":"7、故障原因:箱內(nèi)照明燈不熄滅","id":""}],"text":"","id":"doxcnSWo04ck04QY4QP4lSkwsuh"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:檢修照明燈開關(guān)","id":""}],"text":"","id":"doxcn2G60uQQo2eAUsng7uwgNhc"},{"type":"paragraph","children":[{"type":"text","text":"8、故障原因:冷藏室溫控風(fēng)門溫控器失控,使風(fēng)門開不大或風(fēng)扇不轉(zhuǎn)","id":""}],"text":"","id":"doxcnGQcuygqkCaCcI9qB3dtK0d"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:修理或更換","id":""}],"text":"","id":"doxcnI8aOQuWEgusUiOEY1cDeGg"},{"type":"paragraph","children":[{"type":"text","text":"9、故障原因:壓縮機(jī)閥門損壞","id":""}],"text":"","id":"doxcn0mesmGG26qkMMh6EqNevIh"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:修理","id":""}],"text":"","id":"doxcny2YccaWGysUSef1nR88drb"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"冷藏室溫度過低而使上層食品被凍結(jié)","id":""}],"text":"","id":"doxcnka26qGYM6EWwpQ8WlER9ty"},{"type":"paragraph","children":[{"type":"text","text":"1、故障原因:室溫偏低而溫控器調(diào)得不合理(數(shù)字太大或調(diào)到強(qiáng)冷點(diǎn)、不停點(diǎn))","id":""}],"text":"","id":"doxcnCk6Wsom6Yao0eqb2aB0Jmd"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:重調(diào)溫控器旋鈕至數(shù)字較小的位置","id":""}],"text":"","id":"doxcnGwKISGqgw0oWSS7uuMoK9f"},{"type":"paragraph","children":[{"type":"text","text":"2、故障原因:溫控器觸點(diǎn)粘連不停車或感溫管失控","id":""}],"text":"","id":"doxcnY02S8w6QoiCGKowul72ARg"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:修理或更換","id":""}],"text":"","id":"doxcn0Y2G86IQ8UW6g5XbfHC6le"},{"type":"paragraph","children":[{"type":"text","text":"3、故障原因:誤將水分多而容易凍結(jié)的食物放在上部擱架","id":""}],"text":"","id":"doxcna2iOWEGecmsGMz9J6tfrrf"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:將易凍結(jié)的食物放在冷藏室下部","id":""}],"text":"","id":"doxcn64gKMGsemUiW2JAfBuYPSh"},{"type":"paragraph","children":[{"type":"text","text":"4、故障原因:溫感風(fēng)門溫控器旋鈕調(diào)得不合理(置冷點(diǎn))或失控,或風(fēng)門關(guān)不上","id":""}],"text":"","id":"doxcnoU04kc0oEYEeIb80pbVsad"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:重調(diào)溫感風(fēng)門溫控器旋鈕","id":""}],"text":"","id":"doxcnaIUAGI4QwMu8WK20gfe8Od"},{"type":"paragraph","children":[{"type":"text","text":"5、故障原因:溫度補(bǔ)償加熱器損壞","id":""}],"text":"","id":"doxcnI4gKQiCQu4sq0ivCv5TG0e"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:更換溫度補(bǔ)償加熱器","id":""}],"text":"","id":"doxcnQgewIGOeIYWi25Uf7KNrPb"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"冷凍室溫度偏高","id":""}],"text":"","id":"doxcnQkYWq4yYC2YikDI3gcGPgh"},{"type":"paragraph","children":[{"type":"text","text":"1、故障原因:室溫偏高而溫控器旋鈕調(diào)得不合理(數(shù)字過小)","id":""}],"text":"","id":"doxcnaskSGc0Y8GIuwr3g1HxFGg"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:重調(diào)溫控器旋鈕至數(shù)字較大位置","id":""}],"text":"","id":"doxcnWMCOm8Gq40kG8OpvNf0Vnb"},{"type":"paragraph","children":[{"type":"text","text":"2、故障原因:開門過于頻繁或開門時(shí)間過長(zhǎng)","id":""}],"text":"","id":"doxcnCCkQSi4OW6cIkpxlU91qmf"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:減少開門次數(shù)和時(shí)間","id":""}],"text":"","id":"doxcnqiSgeoWYE2CyotWJgFbTKh"},{"type":"paragraph","children":[{"type":"text","text":"3、故障原因:門封不嚴(yán)","id":""}],"text":"","id":"doxcnMakOy6MQmOI8aCAKltQmGd"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:檢修門封,使其嚴(yán)密","id":""}],"text":"","id":"doxcnO8wKWUGGwS0Eiqynd9UJRc"},{"type":"paragraph","children":[{"type":"text","text":"4、故障原因:制冷劑漏失","id":""}],"text":"","id":"doxcncsWeAyACeWWMsx9Tszxpjg"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:找出漏洞,放氣補(bǔ)焊,再抽真空重新灌入制冷劑","id":""}],"text":"","id":"doxcnIkwMsmCKo6CK6AN4XaGQlE"},{"type":"paragraph","children":[{"type":"text","text":"5、故障原因:充灌制冷劑過多或過少","id":""}],"text":"","id":"doxcniw8wouYGCecok5OUqziMZe"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:重新調(diào)整或充灌制冷劑","id":""}],"text":"","id":"doxcnYcikMOuYiESYg7URPe4lGf"},{"type":"paragraph","children":[{"type":"text","text":"6、故障原因:壓縮機(jī)制冷效率下降","id":""}],"text":"","id":"doxcnc8YiWoceQ44m4f4ptmiP7n"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:拆修壓縮機(jī)","id":""}],"text":"","id":"doxcnQIQ6coqwmOqE6v0U69x2Sc"},{"type":"paragraph","children":[{"type":"text","text":"7、故障原因:翅片蒸發(fā)器被冰箱堵塞或毛細(xì)管堵塞","id":""}],"text":"","id":"doxcnskQ4EmGuyQEYqM9CQg06Yc"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:確定原因后檢修","id":""}],"text":"","id":"doxcnyo8aAOUseIUsIB7Aq7Jyse"},{"type":"paragraph","children":[{"type":"text","text":"8、故障原因:冷風(fēng)循環(huán)風(fēng)扇不轉(zhuǎn)或運(yùn)轉(zhuǎn)不正常","id":""}],"text":"","id":"doxcniGyYKSCYuyOUKcAQEZFxsc"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:修理或更換","id":""}],"text":"","id":"doxcnIykMKE8uw0OImsoooPpHvg"},{"type":"paragraph","children":[{"type":"text","text":"9、故障原因:結(jié)霜厚而未清除","id":""}],"text":"","id":"doxcnIgKg2GqU4uAsaULq5FJ7jc"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:清除結(jié)霜","id":""}],"text":"","id":"doxcnK2A8sec20AaYmmpzBTZaCe"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"壓縮機(jī)長(zhǎng)時(shí)間運(yùn)轉(zhuǎn)不能自動(dòng)停機(jī)","id":""}],"text":"","id":"doxcncC6Oyaa20Cym2UNCNopXKk"},{"type":"paragraph","children":[{"type":"text","text":"1、故障原因:箱內(nèi)一次性放入過多溫度較高的食品或連續(xù)凍結(jié)大量冰塊","id":""}],"text":"","id":"doxcn4Ws46yoimmwYMsUaMVNWVD"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:適當(dāng)減少放入食物,并放涼后再放入,減少凍冰量","id":""}],"text":"","id":"doxcnYSyquK0qKqAUuOXw44HfJ1"},{"type":"paragraph","children":[{"type":"text","text":"2、故障原因:開門過于頻繁或開門時(shí)間過長(zhǎng)","id":""}],"text":"","id":"doxcnOcAqyE8kce8eKb21l7WpyK"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:減少開門次數(shù)和時(shí)間","id":""}],"text":"","id":"doxcnaEqgiM4C86yMgbEzcD7t7I"},{"type":"paragraph","children":[{"type":"text","text":"3、故障原因:溫控器誤調(diào)到不停點(diǎn)","id":""}],"text":"","id":"doxcneS6AC0qmoiqamwAlXYbrYc"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:按需要重調(diào)溫控器","id":""}],"text":"","id":"doxcnQY8mK4UqcqAMXKt7UNLHb4"},{"type":"paragraph","children":[{"type":"text","text":"4、故障原因:制冷劑漏失","id":""}],"text":"","id":"doxcn0gWgqQ4aSIqeSSX1rYy3Ie"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:找出漏孔,放氣補(bǔ)焊,再抽真空,重新充灌制冷劑","id":""}],"text":"","id":"doxcnaa2yKmYssUeic78xYRJxcc"},{"type":"paragraph","children":[{"type":"text","text":"5、故障原因:毛細(xì)管被雜質(zhì)污物堵塞(臟堵)","id":""}],"text":"","id":"doxcn8gEiSKcUqcOwkp9EqsWiUf"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:用熱毛巾敷裹毛細(xì)管解凍或更換毛細(xì)管","id":""}],"text":"","id":"doxcn4kCG4KmIiqAoQhRuSOlfhd"},{"type":"paragraph","children":[{"type":"text","text":"6、故障原因:毛細(xì)管被冰堵塞(冰堵)","id":""}],"text":"","id":"doxcnOecMiioAC4EISeJWg1d7be"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:放掉制冷劑,烘干分子篩過濾器,重新抽真空后充灌制冷劑","id":""}],"text":"","id":"doxcn2EMQUGwacC6wW8036Exwmg"},{"type":"paragraph","children":[{"type":"text","text":"7、故障原因:","id":""},{"type":"text","text":"電冰箱環(huán)境溫度過高(大于40度)或空氣對(duì)流受阻","id":""}],"text":"","id":"doxcnS8C4qGo6Aowi8VyiIBFflg"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:調(diào)換放置位置,改善空氣對(duì)流","id":""}],"text":"","id":"doxcnqyqOu666AUOIK0J9Vp3O3e"},{"type":"paragraph","children":[{"type":"text","text":"8、故障原因:溫控器觸點(diǎn)粘連或或感溫管松動(dòng)失控","id":""}],"text":"","id":"doxcn2goqCQCIQ6UMhMqkHYyKhf"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:斷電后將溫控器旋至“停”點(diǎn)再旋回原定點(diǎn)通電。若仍不正常,則更換","id":""}],"text":"","id":"doxcnCiAsaym0AmqasPshnrF3yg"},{"type":"paragraph","children":[{"type":"text","text":"9、故障原因:箱壁或門壁隔熱層中流入水或結(jié)冰","id":""}],"text":"","id":"doxcnYAgyUaKu4cY0JQJiIcBTmT"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:干燥隔熱層","id":""}],"text":"","id":"doxcnWoqgM6Y6UWEqWQd6X94yDx"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"壓縮機(jī)運(yùn)轉(zhuǎn)時(shí)噪聲大","id":""}],"text":"","id":"doxcnWa0GMIwYEiq0ZcDj8iVJJk"},{"type":"paragraph","children":[{"type":"text","text":"1、故障原因:箱體未放平穩(wěn)","id":""}],"text":"","id":"doxcnkAy2m2yWiUQEiEVdAbaf5g"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:重新調(diào)平放穩(wěn)","id":""}],"text":"","id":"doxcniMG0eegOU6CsWiy4Hr0VZg"},{"type":"paragraph","children":[{"type":"text","text":"2、故障原因:電冰箱背后與其他物件或墻壁觸碰","id":""}],"text":"","id":"doxcnm8wk0CCW8KYW2xiIsjrJ4b"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:適當(dāng)調(diào)整位置或物件,使它們脫離觸碰","id":""}],"text":"","id":"doxcn6oka4Qo04OaMIrwfo3wpzg"},{"type":"paragraph","children":[{"type":"text","text":"3、故障原因:電冰箱背部的接水盤脫離原位置而振動(dòng)發(fā)聲","id":""}],"text":"","id":"doxcnyG0eMswg4kcooTHH7skzvh"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:重新放好接水盤,并墊上泡沫塑料","id":""}],"text":"","id":"doxcnYqw6gai0GIGmKmnNw3hhXe"},{"type":"paragraph","children":[{"type":"text","text":"4、故障原因:風(fēng)扇與其他部件碰撞","id":""}],"text":"","id":"doxcnGUKEAC4SKqSyshG93IYuDb"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:移動(dòng)風(fēng)扇位置","id":""}],"text":"","id":"doxcnAuQy0ae0oiiQ2JIvAuELXg"},{"type":"paragraph","children":[{"type":"text","text":"5、故障原因:管道與箱件碰撞","id":""}],"text":"","id":"doxcno8WkS80skoeUCudMww8hIg"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:挪動(dòng)管道,擰緊固定螺絲","id":""}],"text":"","id":"doxcnwyyEiGokge6Sy8SLdWWXUd"},{"type":"paragraph","children":[{"type":"text","text":"6、故障原因:壓縮機(jī)減振膠墊壓得過緊或老化變硬","id":""}],"text":"","id":"doxcnimswmCs0EW4E2BM167g1Qc"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:調(diào)松或列換膠墊","id":""}],"text":"","id":"doxcn8KMAcGUSOw2Uma7v8R3pGh"},{"type":"paragraph","children":[{"type":"text","text":"7、故障原因:壓縮機(jī)內(nèi)部噪聲大","id":""}],"text":"","id":"doxcnmEgQEqG04Ceq6dph71FkYL"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:拆修或壓縮機(jī)","id":""}],"text":"","id":"doxcnYGckkWeWIcG6WVDlHQbkVb"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"壓縮機(jī)運(yùn)轉(zhuǎn)時(shí)間過長(zhǎng)而停機(jī)時(shí)間過短","id":""}],"text":"","id":"doxcng6g6ySSU84cO0S3qcAImTe"},{"type":"paragraph","children":[{"type":"text","text":"1、故障原因:制冷劑泄露使制冷效果變差","id":""}],"text":"","id":"doxcn00AsEQ4CEiKa48sthrJlWe"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:查漏補(bǔ)焊","id":""}],"text":"","id":"doxcnuU0cWGIu0Y0223V1g6JhPb"},{"type":"paragraph","children":[{"type":"text","text":"2、故障原因:溫控器旋鈕誤調(diào)在強(qiáng)冷檔,達(dá)到最低溫度需要壓縮機(jī)長(zhǎng)期運(yùn)轉(zhuǎn)","id":""}],"text":"","id":"doxcnGqkMcG8Q0WyASy5YYgcf2c"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:重調(diào)溫控器旋鈕","id":""}],"text":"","id":"doxcnO4awi0eKc46AiA4DAIEBzc"},{"type":"paragraph","children":[{"type":"text","text":"3、故障原因:箱門未關(guān)閉,漏入熱量多,使壓縮機(jī)運(yùn)轉(zhuǎn)時(shí)間長(zhǎng)","id":""}],"text":"","id":"doxcn8cocOYqMmU6mGGm3XfyaRb"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:檢查門封,關(guān)嚴(yán)箱門","id":""}],"text":"","id":"doxcnUiqQG88Mg4weCEwJ4dwmih"},{"type":"paragraph","children":[{"type":"text","text":"4、故障原因:制冷劑充灌得過多,制冷效果差","id":""}],"text":"","id":"doxcneY24UCYOkQi2g7Wg0TeAng"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:調(diào)整毛細(xì)管長(zhǎng)度或重調(diào)制冷劑量","id":""}],"text":"","id":"doxcnIEMUSCWQ6wGyqaC2mS62yg"},{"type":"paragraph","children":[{"type":"text","text":"5、故障原因:環(huán)境溫度偏高,散熱效果差","id":""}],"text":"","id":"doxcnKC8aU6aSA8aqALQsMQbjff"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:改善電冰箱周圍散熱條件","id":""}],"text":"","id":"doxcn40qciq8QiQgAqk5WNRBEOf"},{"type":"paragraph","children":[{"type":"text","text":"6、故障原因:電冰箱內(nèi)放入過多食品,熱負(fù)荷過大","id":""}],"text":"","id":"doxcneiWouYQWueYuO4y283uSnd"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:調(diào)整放入食品的數(shù)量","id":""}],"text":"","id":"doxcnMmYMY4y6SsQUWa6vg7OxKf"},{"type":"paragraph","children":[{"type":"text","text":"7、故障原因:壓縮機(jī)進(jìn)、排氣閥有漏氣","id":""}],"text":"","id":"doxcnkYqk8CIqMYSkxZf8owE0wO"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:拆修或更換","id":""}],"text":"","id":"doxcnciS4sau88kK4SQQ6pkrx9c"},,"attrs":{"height":675,"note":[{"type":"text","text":"壓縮機(jī)運(yùn)轉(zhuǎn)時(shí)間過長(zhǎng)而停機(jī)時(shí)間過短","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/fa5ca906305849b8b1c3080336c09c6e","width":1012},"text":"","id":"doxcn064e8Ue6GoMeGUB2sVCQ9d"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"電冰箱內(nèi)溫度正常但壓縮機(jī)起動(dòng)頻繁","id":""}],"text":"","id":"doxcnyGyGKg4cSu64dH9VYlm1Ao"},{"type":"paragraph","children":[{"type":"text","text":"1、故障原因:感溫管與蒸發(fā)器接觸不良,未靠近蒸發(fā)器,使感溫失真","id":""}],"text":"","id":"doxcnysGYiwOiA8eKy9FL4Dstdb"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:重調(diào)感溫管位置","id":""}],"text":"","id":"doxcn4cUokUwOmmEa6ois7BDLgh"},{"type":"paragraph","children":[{"type":"text","text":"2、故障原因:起動(dòng)觸點(diǎn)接觸不良,時(shí)斷時(shí)通","id":""}],"text":"","id":"doxcnckkqsAUAyyEe89aEUJd4qy"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:調(diào)整觸點(diǎn)連接銅片,使其接觸可靠","id":""}],"text":"","id":"doxcngEOkWIASUUSsYZhN8U7I0f"},{"type":"paragraph","children":[{"type":"text","text":"3、故障原因:溫控器旋鈕位置不當(dāng)","id":""}],"text":"","id":"doxcn62q8AW04cmy066FPMAUTTm"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:重調(diào)溫控器至合適位置","id":""}],"text":"","id":"doxcnG0u4YWOQWwCyKgEiMl3GMe"},{"type":"paragraph","children":[{"type":"text","text":"4、故障原因:過載安全保護(hù)繼電器接點(diǎn)與電熱絲位置過近","id":""}],"text":"","id":"doxcneQ6oUE4UwGgUao9QZCvmed"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:重新調(diào)整過載螺釘,使兩者相距適當(dāng)","id":""}],"text":"","id":"doxcnIkukkcWumkyCgCAhl5Im3F"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"電冰箱能制冷但箱內(nèi)照明燈不亮","id":""}],"text":"","id":"doxcnwewOOse0wU6WKmzPh6peGe"},{"type":"paragraph","children":[{"type":"text","text":"1、故障原因:燈泡損壞","id":""}],"text":"","id":"doxcnGikwACkw0omSGagUdBj0Be"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:更換相同規(guī)格的燈泡","id":""}],"text":"","id":"doxcnuiKaMWySsOMoBuJRkjg1vn"},{"type":"paragraph","children":[{"type":"text","text":"2、故障原因:照明燈泡與燈座接觸不良","id":""}],"text":"","id":"doxcnuuwkWSiko4Cq6ZxzgsPTse"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:將燈泡擰緊","id":""}],"text":"","id":"doxcn2IIosiSOwqOY0GlnGYNQid"},{"type":"paragraph","children":[{"type":"text","text":"3、故障原因:照明燈電路斷線","id":""}],"text":"","id":"doxcnYUCmki2GAYKkwHVIqBh1Rg"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:查出斷線處并修復(fù)","id":""}],"text":"","id":"doxcn2WMIkYO2AUKeiMlPm56YLh"},{"type":"paragraph","children":[{"type":"text","text":"4、故障原因:門燈開關(guān)接觸不良","id":""}],"text":"","id":"doxcnggco8G66SCImOQ1Nby3i2f"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:拆開燈開關(guān),重新調(diào)整彈簧壓力,","id":""},{"type":"text","text":"使其接觸良好","id":""}],"text":"","id":"doxcnGeYKu4eq4U0E4CuwTaAX9b"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"照明燈不亮且壓縮機(jī)不工作","id":""}],"text":"","id":"doxcnMGIae0uuaA4QWo386qw08g"},{"type":"paragraph","children":[{"type":"text","text":"1、故障原因:保險(xiǎn)絲熔斷","id":""}],"text":"","id":"doxcnKKICUmYgCWUMgBodYtOWmh"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:查出原因,更換同規(guī)格新保險(xiǎn)絲","id":""}],"text":"","id":"doxcn4sQiwygMw2U8i0UhMJxS4f"},{"type":"paragraph","children":[{"type":"text","text":"2、故障原因:電源插頭與插座連線斷路","id":""}],"text":"","id":"doxcn66S2mwEwCA0cIFD7WHo0Qb"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:查出斷線處,修復(fù)或更換","id":""}],"text":"","id":"doxcnCuYWmSSGEUekYfOeWm7HHd"},{"type":"paragraph","children":[{"type":"text","text":"3、故障原因:電源插頭接觸不良","id":""}],"text":"","id":"doxcny4qOE4MQoKu0szyOSPo0Lh"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:調(diào)整接觸或更換","id":""}],"text":"","id":"doxcnm6mqg40gYeoIYFrv872xAb"},{"type":"paragraph","children":[{"type":"text","text":"4、故障原因:停電","id":""}],"text":"","id":"doxcnEmqWKE02Y2M66CnZW9cRch"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:撥下電源插頭,待來電時(shí)再工作","id":""}],"text":"","id":"doxcnmEMgoEsQwSAgui8YOYUxeb"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"門將關(guān)上時(shí)照明燈不熄滅","id":""}],"text":"","id":"doxcn2s4aUiIk2mYsOGGnzbxanh"},{"type":"paragraph","children":[{"type":"text","text":"1、故障原因:門燈開頭失靈","id":""}],"text":"","id":"doxcn8CsASe6oOaqSe8dTQgnjph"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:修復(fù)或更換","id":""}],"text":"","id":"doxcnUG2wMUoYksG64SuuJ4wZne"},{"type":"paragraph","children":[{"type":"text","text":"2、故障原因:開關(guān)位置不對(duì),關(guān)門時(shí)未能壓下按鈕,以切斷照明燈電路","id":""}],"text":"","id":"doxcnG0AwYMkGsC4skHwLdm3hWd"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:調(diào)整門燈開頭位置(包括溫控器位置),使開頭正常工作","id":""}],"text":"","id":"doxcnEK8we4oOmaUoyMTTNn2alf"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"溫控器置于通常使用位置時(shí)保險(xiǎn)絲熔斷","id":""}],"text":"","id":"doxcnQkaCEGIy2IMEEbJnLhMrxg"},{"type":"paragraph","children":[{"type":"text","text":"1、故障原因:包括電冰箱在內(nèi)的家電電器總負(fù)荷已超過保險(xiǎn)絲的額定電流","id":""}],"text":"","id":"doxcnIcC4qqIIcoUGWsJTgwn5Zc"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:在家用小火表、布線等容量允許的前提下,適當(dāng)加大保險(xiǎn)絲規(guī)格","id":""}],"text":"","id":"doxcn6ic4mqaUSE68GmCBkVoiKb"},{"type":"paragraph","children":[{"type":"text","text":"2、故障原因:?jiǎn)蜗嘟涣麟妱?dòng)機(jī)起動(dòng)電容損壞而產(chǎn)生短路","id":""}],"text":"","id":"doxcns0GgoKQ6A8MGQ1gdfyRsme"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:更換新的同規(guī)格電容器","id":""}],"text":"","id":"doxcn6iU8I2M2as2sOEB4ngIhpf"},{"type":"paragraph","children":[{"type":"text","text":"3、故障原因:起動(dòng)繼電器觸點(diǎn)粘連","id":""}],"text":"","id":"doxcn6uCqUEQUK4aGGg7CV44Dme"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:修理或更換","id":""}],"text":"","id":"doxcn46maweqI6umMcHa4hAEBJd"},{"type":"paragraph","children":[{"type":"text","text":"4、故障原因:壓縮機(jī)定子線圈或電源插頭短路","id":""}],"text":"","id":"doxcnCmEAWOcWmcWCO6dmhsNkWf"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:查明原因后修復(fù)","id":""}],"text":"","id":"doxcnGk4y8IO26QW0WEDXqWm2uf"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"電冰箱放置處積水","id":""}],"text":"","id":"doxcnwCGyw66aqsOMKQWw5eCigg"},{"type":"paragraph","children":[{"type":"text","text":"1、故障原因:泄水系統(tǒng)堵塞或軟管破裂,使融霜水從冷藏室內(nèi)溢出","id":""}],"text":"","id":"doxcnWYgcg6wo6gcAesFwc7vRQb"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:查出原因,排去堵塞物或更換軟管","id":""}],"text":"","id":"doxcniiugUGWuOo0SmIk59bufbd"},{"type":"paragraph","children":[{"type":"text","text":"2、故障原因:接水盒(盆)中融霜水過滿而溢出","id":""}],"text":"","id":"doxcnsyqCEUImSMgKk3L8aK5zAh"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:及時(shí)倒掉接水盒(盆)中水,有自動(dòng)蒸發(fā)皿者,檢查有關(guān)加熱蒸發(fā)裝置有否故障,并排除之","id":""}],"text":"","id":"doxcnEsocOIgIykS0SidrYBQ9ag"},{"type":"paragraph","children":[{"type":"text","text":"3、故障原因:濾水器堵塞","id":""}],"text":"","id":"doxcnyM26OCwgCIeYWQJJNIfmwg"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:排除堵塞物","id":""}],"text":"","id":"doxcnSkOG4g4mg8a0uytcwr2DCg"},{"type":"paragraph","children":[{"type":"text","text":"4、故障原因:環(huán)境空氣過于潮濕,遇冷凝結(jié)成水","id":""}],"text":"","id":"doxcn4YCaS2CMuWWcK09iHxYesd"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:改善放置環(huán)境,使其干燥通風(fēng)(就冰箱而言,此并非故障)","id":""}],"text":"","id":"doxcnog6CsCc0IUYOc3xEp7lz1f"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"冷凍室封條被凍住","id":""}],"text":"","id":"doxcne40eMkmoCs8MeshHuP4ACq"},{"type":"paragraph","children":[{"type":"text","text":"1、故障原因:門封條損壞","id":""}],"text":"","id":"doxcn0246G62EKOcE4EhJz3zT9e"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:用熱毛巾或電吹風(fēng)對(duì)門封條凍結(jié)處加熱,待門拉開后,再修復(fù)或更新封條","id":""}],"text":"","id":"doxcneksWWUuqsIMgOIPNx9RkSd"},{"type":"paragraph","children":[{"type":"text","text":"2、故障原因:設(shè)有門封電熱絲的電冰箱,門封電熱絲失效","id":""}],"text":"","id":"doxcnAMsCawOKMo6myqC9U5EY7f"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:拉開門后,更換門封電熱絲","id":""}],"text":"","id":"doxcnSKeG6w6MUmCMonbTw6GjAd"},,"attrs":{"height":682,"note":[{"type":"text","text":"冷凍室封條被凍住","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/8a5e3d14d1bf485590bcbaa2021bcf2c","width":1023},"text":"","id":"doxcnY4MCsEwy0QQIIX4QGDryNe"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"打開箱門有難聞臭味","id":""}],"text":"","id":"doxcnyG8Kc4I00ECOo9DlUc0Gig"},{"type":"paragraph","children":[{"type":"text","text":"1、故障原因:電冰箱內(nèi)有腐敗的殘?jiān)U物、剩水等","id":""}],"text":"","id":"doxcnsWsU4kMA4SgWAne5XuvXVx"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:徹底清掃,可用清潔劑或蘇打水清洗","id":""}],"text":"","id":"doxcnw2cCSCMMc688XDaT625aoJ"},{"type":"paragraph","children":[{"type":"text","text":"2、故障原因:存放有濃味的羊肉、牛肉等食品而未用保鮮膜或塑料袋封裝,使氣味擴(kuò)散","id":""}],"text":"","id":"doxcnowgGqcAEEWIu2ROZsYLbwd"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:用保鮮膜、塑料袋(或瓶、罐)封裝食品","id":""}],"text":"","id":"doxcnseWE2wkUQSKkQpfZGPQc3e"},{"type":"paragraph","children":[{"type":"text","text":"3、故障原因:制冷劑泄漏數(shù)量很多,使其影響貯存食物的質(zhì)量,產(chǎn)生異味","id":""}],"text":"","id":"doxcn4y4qWGGssY84oRC5aUxZnh"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:檢漏、修復(fù)","id":""}],"text":"","id":"doxcnUCk0syaGS0w2U3eGFuy9qh"},{"type":"paragraph","children":[{"type":"text","text":"4、故障原因:箱壁隔熱層破損,水蒸汽侵入造成腐爛變質(zhì)而產(chǎn)生怪味","id":""}],"text":"","id":"doxcnUcQUiiueCccmgH5jatyJkg"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:更換隔熱層或內(nèi)膽、注意防潮","id":""}],"text":"","id":"doxcnCsaigwcsSsEUFWcW6bBpnt"},{"type":"paragraph","children":[{"type":"text","text":"5、故障原因:電冰箱久置未用,而又未稍打開箱門,造成啟用后有霉味散出","id":""}],"text":"","id":"doxcnSM0WuY6uo8iggVQGRJC88c"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:清潔、同時(shí)用市售除臭劑清除電冰箱內(nèi)的異味","id":""}],"text":"","id":"doxcnSISIGOeaC4o8SWDC6hZ0Ie"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"冷凍食品變味","id":""}],"text":"","id":"doxcnY8GmGgyG6q2Iq2bzPUWSth"},{"type":"paragraph","children":[{"type":"text","text":"1、故障原因:冷凍食品未用塑料袋或保鮮紙嚴(yán)密包裝而串味","id":""}],"text":"","id":"doxcngYqkEe08CaYkof9k0E1aFd"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:冷凍食品應(yīng)使用烹袋或保鮮膜封裝","id":""}],"text":"","id":"doxcnMsao2YA4K8Ys8saU4Oia2b"},{"type":"paragraph","children":[{"type":"text","text":"2、故障原因:制冷劑嚴(yán)重泄漏,被冷凍食品吸收而產(chǎn)生異味","id":""}],"text":"","id":"doxcnyakSiEYkuU0qkHUbry26jb"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:檢漏、補(bǔ)焊","id":""}],"text":"","id":"doxcnGm2ysyGqQCO0cTsPxi4ule"},{"type":"paragraph","children":[{"type":"text","text":"3、故障原因:隔熱層材料破損,其氣味為冷凍食品所吸收","id":""}],"text":"","id":"doxcn4Amk6c0ka4kCwkdo9Q9xKP"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:更換隔熱層或內(nèi)膽","id":""}],"text":"","id":"doxcnAEcQaYcoqmQogv3efEkoLd"},{"type":"paragraph","children":[{"type":"text","text":"4、故障原因:冰盤在制冰前未洗凈,融霜水滴入,而使冰塊味不正","id":""}],"text":"","id":"doxcnEOS6kEIMEq8moKknUFtxlb"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:制冷前先洗凈制冰盤","id":""}],"text":"","id":"doxcn0mQ80YcYggUeCuJSO9H6Wd"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"電動(dòng)機(jī)運(yùn)轉(zhuǎn)中過熱","id":""}],"text":"","id":"doxcn4YgOquCWKey2CC7UsKE8yg"},{"type":"paragraph","children":[{"type":"text","text":"1、故障原因:制冷劑充灌過多或有空氣存在,致使排氣壓力過高","id":""}],"text":"","id":"doxcnGk2II8CycIEU2Zmelnhlzg"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:檢修、抽真空并排除多余制冷劑","id":""}],"text":"","id":"doxcnqGKkME8iwu6a00raHF5XSg"},{"type":"paragraph","children":[{"type":"text","text":"2、故障原因:毛細(xì)管或干燥過濾器堵塞,使電動(dòng)機(jī)負(fù)載增大而過熱","id":""}],"text":"","id":"doxcnQeGE2GOgE8yyK09iQmM7Pd"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:檢查、排堵或更換","id":""}],"text":"","id":"doxcniai2wqwCs6C6ETOBZatCxb"},{"type":"paragraph","children":[{"type":"text","text":"3、故障原因:","id":""},{"type":"text","text":"電壓過低","id":""},{"type":"text","text":"(低于187V),使工作電流增大而電機(jī)過熱","id":""}],"text":"","id":"doxcnm0WA8yy8SISqMNYKZrTrEh"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:待電壓正常時(shí)再工作,或采用穩(wěn)壓器","id":""}],"text":"","id":"doxcnOMo80gcqAukkpzCpGm1HgC"},{"type":"paragraph","children":[{"type":"text","text":"4、故障原因:起動(dòng)電容器損壞,使電動(dòng)機(jī)難起動(dòng)或轉(zhuǎn)速慢,起動(dòng)電流劇增而引起電機(jī)過熱","id":""}],"text":"","id":"doxcniwciOOoMuqkUS4Nkp0AC9e"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:更換新電容器","id":""}],"text":"","id":"doxcnm0QKGIkGywyEQDSmZqfWsh"},{"type":"paragraph","children":[{"type":"text","text":"5、故障原因:電動(dòng)機(jī)軸承損壞或部分繞組短路","id":""}],"text":"","id":"doxcnUcAOOk6AMkCgeAQdMpWYad"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:更換軸承,拆修或重繞電機(jī)繞組","id":""}],"text":"","id":"doxcnUI688GU2ksAYuLI1iEDPqE"},{"type":"paragraph","children":[{"type":"text","text":"6、故障原因:蒸發(fā)器或冷凝器管道中有堵塞","id":""}],"text":"","id":"doxcn0QgeISI6Oc0SKYsabI4tce"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:檢查后排除堵塞","id":""}],"text":"","id":"doxcnoAuo42O0SkYYDaohqyysdF"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"有電線燒焦味","id":""}],"text":"","id":"doxcn0awSEs2oA6AMQtInthLMXb"},{"type":"paragraph","children":[{"type":"text","text":"1、故障原因:電源線被壓在箱底下,使電線短路","id":""}],"text":"","id":"doxcnCAEcecWAOkGaiEZLddtzDh"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:取出電源線,更換或修復(fù)","id":""}],"text":"","id":"doxcnscWCg6EQiyKG4FVfKg81rf"},{"type":"paragraph","children":[{"type":"text","text":"2、故障原因:電源線貼在冰箱壓縮機(jī)外殼,因高溫致使塑膠線絕緣層烤出焦味","id":""}],"text":"","id":"doxcnsuKY4q2ogkswIjzB1ebcRT"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:移開電源線,并修復(fù)或更換","id":""}],"text":"","id":"doxcnQAwWg6IASgSAGaiqdI4qAg"},{"type":"paragraph","children":[{"type":"text","text":"3、故障原因:電動(dòng)機(jī)起動(dòng)繼電器線圈短路而發(fā)出焦味","id":""}],"text":"","id":"doxcnawooE6QwG8SEoDvnZ2sCBd"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:檢查并拆修、更換","id":""}],"text":"","id":"doxcnSwG68agI88oKg7MXV2nVGd"},{"type":"paragraph","children":[{"type":"text","text":"4、故障原因:全自動(dòng)化霜定時(shí)溫控器線圈短路而發(fā)出焦味","id":""}],"text":"","id":"doxcncAkCG4eEo48EY7xXc4CJae"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:檢查并拆修、更換","id":""}],"text":"","id":"doxcni4imucUUWWYCY1eHawMM1d"},{"type":"paragraph","children":[{"type":"text","text":"5、故障原因:壓縮機(jī)線圈短路而發(fā)出焦味","id":""}],"text":"","id":"doxcnAWmqyaUKkKeeCuuYBtN5Ic"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:檢查并重繞","id":""}],"text":"","id":"doxcny84ccs0gu6WYANHsq6Mdzg"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"接觸箱體或開門時(shí)有麻電感","id":""}],"text":"","id":"doxcny2UWUikECKQi6pCZfkoK9C"},{"type":"paragraph","children":[{"type":"text","text":"1、故障原因:","id":""},{"type":"text","text":"電冰箱未設(shè)接地線,或接地線障礙","id":""}],"text":"","id":"doxcnKSueGuOQcIGUuYwQQLlUTo"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:加接接地線,或檢查修整,使接地可靠","id":""}],"text":"","id":"doxcnk6oYuSOWA06cuRbu8afD9O"},{"type":"paragraph","children":[{"type":"text","text":"2、故障原因:因嚴(yán)重受潮,致使機(jī)殼與電器部件的絕緣性能降低(與地絕緣電阻小于2MΩ)","id":""}],"text":"","id":"doxcnyie0UGCcE6a0yWGkJgyyoe"},{"type":"paragraph","children":[{"type":"text","text":" 排除方法:擦干或烘干潮濕機(jī)電件","id":""}],"text":"","id":"doxcnUQK8sG6IWqOMWYBlX8Sz6f"},,"attrs":{"height":683,"note":[{"type":"text","text":"接觸箱體或開門時(shí)有麻電感","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/66432606682f4e29b1299fc5e1f2fcb2","width":1024},"text":"","id":"doxcnWkaO0E4yiAs8wxCV6l2Ddg"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"冰箱的保養(yǎng)","id":""}],"text":"","id":"doxcne0aqe8OQwKS6WewWoFxA3e"},{"type":"paragraph","children":[{"type":"text","text":"定期適當(dāng)保養(yǎng)可以延長(zhǎng)冰箱的使用壽命。保養(yǎng)冰箱前務(wù)必拔下電源插頭。","id":""}],"text":"","id":"doxcn4S2KsqCOseOMO0YrpQbPie"},{"type":"paragraph","children":[{"type":"text","text":"1、經(jīng)常清理冰箱背面或底部冷凝器和壓縮機(jī)上的灰塵。可使用吸塵器或毛刷除塵。注意不要用濕布去擦冷藏器和壓縮機(jī)上灰塵。","id":""}],"text":"","id":"doxcnwmuki86iKqkOorEMws5F72"},{"type":"paragraph","children":[{"type":"text","text":"2、冰箱長(zhǎng)期停用時(shí),應(yīng)先切斷電源,取出箱內(nèi)一切食品,將箱內(nèi)外清理干凈,敞開箱門數(shù)日,使箱內(nèi)充分干燥并散掉冰箱內(nèi)的異味。","id":""}],"text":"","id":"doxcnSacACGAGqwgYstf143YEcc"},{"type":"paragraph","children":[{"type":"text","text":"3、檢查排水管。如果排水管堵塞,水就會(huì)漏到冰箱內(nèi)。要用鐵絲捅一捅排水管,除去積在排水管上的東西。","id":""}],"text":"","id":"doxcn4IWYO6gGwCieCikKFCroDc"},{"type":"paragraph","children":[{"type":"text","text":"4、不要忽略門封膠條的清洗,將漂白劑用10倍的水稀釋后用牙刷蘸濕清洗,最后用水將漂白劑沖去。膠條臟污易老化,會(huì)影響冰箱的密封性,增加耗電量。","id":""}],"text":"","id":"doxcnaiyoQqqMwaAiolgXwzotHd"},{"type":"paragraph","children":[{"type":"text","text":"5、檢查振動(dòng)、噪音以及壓縮機(jī)的溫度。運(yùn)行中摸壓縮機(jī)外殼,不應(yīng)有明顯的振動(dòng)感,白天不應(yīng)聽到壓縮機(jī)明顯啟動(dòng)的聲音。","id":""}],"text":"","id":"doxcnUQqWCgMWG6qaSOXERZsLzh"},{"type":"paragraph","children":[{"type":"text","text":"6、注意檢查電源線上是否有裂縫,防止漏電。","id":""}],"text":"","id":"doxcnqmKw0o4E0MoUIPIBrnFMMh"},{"type":"paragraph","children":[{"type":"text","text":"7、用溫水或中性洗滌劑將冰箱內(nèi)外清洗并擦干,敞開冰箱門通風(fēng)干燥一天。","id":""}],"text":"","id":"doxcnMsKquE0uuQIkKkeiuOctfh"},{"type":"paragraph","children":[{"type":"text","text":"清潔冰箱外殼最好每天進(jìn)行,用微濕柔軟的布每天擦拭冰箱的外殼和拉手。清理內(nèi)膽前先切斷電源,把冰箱冷藏室內(nèi)的食物拿出來。軟布蘸上清水或食具洗潔精,輕輕擦洗,然后蘸清水將洗潔精拭去。拆下箱內(nèi)附件,用清水或洗潔精清洗。清潔冰箱的“開關(guān)”、“照明燈”和“溫控器”等設(shè)施時(shí),請(qǐng)把抹布或海綿擰得干一些。內(nèi)壁做完清潔后,可用軟布蘸取甘油(醫(yī)用開塞露)擦一遍冰箱內(nèi)壁,下次擦的時(shí)候會(huì)更容易。用酒精浸過的布清潔擦拭密封條。如果手邊沒有酒精,用1:1醋水擦拭密封條,消毒效果很好。用吸塵器或軟毛刷清理冰箱背面的通風(fēng)柵,不要用濕布,以免生銹。清潔完畢,插上電源,檢查溫度控制器是否設(shè)定在正確位置。","id":""}],"text":"","id":"doxcnkcywOKCA6GGSYlHDQyZs0d"},,"attrs":{"height":611,"note":[{"type":"text","text":"冰箱的保養(yǎng)","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/d4f0dcf28a964c1389d1f95eed516954","width":1023},"text":"","id":"doxcn8EMI6kUAWCmOs9NcBMROMb"},{"type":"paragraph","children":[{"type":"text","text":"","id":""}],"text":"","id":"doxcnEsCE86og8Q6sCCJeoMhcch"},{"type":"paragraph","children":[{"type":"text","text":"","id":""}],"text":"","id":"doxcngKWEaOuAuEoegHeuX81NHc"},{"type":"paragraph","children":[{"type":"text","text":"","id":""}],"text":"","id":"doxcnaKkQyeeEgmgUas1FOsK5ae"},{"type":"paragraph","children":[{"type":"text","text":"","id":""}],"text":"","id":"doxcnauosGy0C6WwWyeEONzFskb"},{"type":"paragraph","children":[{"type":"text","text":"","id":""}],"text":"","id":"doxcnaqQQyaU6OSkUgn1dLACqxe"},{"type":"paragraph","children":[{"type":"text","text":"","id":""}],"text":"","id":"doxcnGWgkwWY8KCmMiqWfF0Wvih"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"","id":""}],"text":"","id":"doxcnSkGymm8Ui4W4Iz2FF7knqd"}]%3C%2Fhowto_content%3E七、數(shù)控車床電腦故障排查與維修指南
數(shù)控車床作為現(xiàn)代制造業(yè)中不可或缺的重要設(shè)備,其電腦控制系統(tǒng)的穩(wěn)定運(yùn)行直接關(guān)系到生產(chǎn)效率和產(chǎn)品質(zhì)量。然而,在實(shí)際使用過程中,數(shù)控車床的電腦硬件也難免會(huì)出現(xiàn)各種故障,給生產(chǎn)帶來不便。作為數(shù)控車床使用者或維修人員,掌握常見的電腦硬件故障及其處理方法,對(duì)于提高設(shè)備運(yùn)行可靠性和生產(chǎn)效率至關(guān)重要。
常見數(shù)控車床電腦硬件故障及處理
數(shù)控車床電腦硬件故障主要包括以下幾種類型:
- CPU故障:表現(xiàn)為車床無法啟動(dòng)、程序無法執(zhí)行等。可嘗試更換CPU或主板。
- 內(nèi)存故障:表現(xiàn)為車床運(yùn)行緩慢、程序反復(fù)崩潰等。可嘗試更換內(nèi)存條。
- 硬盤故障:表現(xiàn)為無法讀取程序、數(shù)據(jù)丟失等。可嘗試更換硬盤或?qū)τ脖P進(jìn)行維修。
- 顯示故障:表現(xiàn)為顯示屏無顯示、顯示異常等。可嘗試更換顯示屏或顯卡。
- 供電故障:表現(xiàn)為車床無法啟動(dòng)、斷電等。可嘗試檢查電源線路及電源模塊。
數(shù)控車床電腦硬件故障排查步驟
在處理數(shù)控車床電腦硬件故障時(shí),可按以下步驟進(jìn)行排查:
- 仔細(xì)觀察故障現(xiàn)象,判斷故障類型。
- 檢查電源線路,確保電源正常供電。
- 檢查各接口線纜,確保連接良好無松動(dòng)。
- 檢查主板、CPU、內(nèi)存等關(guān)鍵硬件部件,排查硬件故障。
- 檢查操作系統(tǒng)及驅(qū)動(dòng)程序,確保軟件環(huán)境正常。
- 必要時(shí)可嘗試更換相關(guān)硬件部件。
- 如果以上步驟無法解決,可聯(lián)系專業(yè)維修人員進(jìn)行進(jìn)一步檢修。
數(shù)控車床電腦硬件維護(hù)建議
為了預(yù)防數(shù)控車床電腦硬件故障的發(fā)生,我們還需要做好以下幾點(diǎn)維護(hù)工作:
- 定期檢查電源線路,確保無老化破損。
- 定期清潔電腦主機(jī)內(nèi)部,防止積塵影響散熱。
- 合理安排使用時(shí)間,避免過度負(fù)荷運(yùn)行。
- 及時(shí)更新操作系統(tǒng)和驅(qū)動(dòng)程序,保持軟件環(huán)境穩(wěn)定。
- 做好數(shù)據(jù)備份,以防止硬盤故障導(dǎo)致的數(shù)據(jù)丟失。
通過以上措施,相信您一定能夠更好地應(yīng)對(duì)數(shù)控車床電腦硬件故障,確保設(shè)備穩(wěn)定
八、數(shù)控車床華中編程教程
數(shù)控車床華中編程教程
數(shù)控車床是一種現(xiàn)代化的加工設(shè)備,通過先進(jìn)的編程技術(shù),能夠自動(dòng)完成復(fù)雜的零件加工,大大提高了生產(chǎn)效率和加工精度。本文將介紹華中地區(qū)最受歡迎的數(shù)控車床編程教程,幫助初學(xué)者快速入門,并掌握基本的編程技巧。
為什么選擇華中數(shù)控車床編程教程?
華中地區(qū)作為中國(guó)制造業(yè)發(fā)展最為迅猛的地區(qū)之一,擁有眾多的數(shù)控車床制造商和編程培訓(xùn)機(jī)構(gòu)。選擇華中數(shù)控車床編程教程具有以下幾個(gè)優(yōu)勢(shì):
- 豐富的資源:華中地區(qū)擁有眾多的數(shù)控車床制造商和供應(yīng)商,教程中提供的編程案例和實(shí)例更貼近實(shí)際生產(chǎn)環(huán)境。
- 高質(zhì)量的教學(xué):華中地區(qū)的數(shù)控車床編程教程講師經(jīng)驗(yàn)豐富,具備深厚的專業(yè)知識(shí)和教學(xué)經(jīng)驗(yàn),能夠?yàn)閷W(xué)員提供高質(zhì)量的教學(xué)和指導(dǎo)。
- 實(shí)踐機(jī)會(huì):教程中會(huì)提供實(shí)踐機(jī)會(huì),學(xué)員可以親自動(dòng)手編寫程序,并在數(shù)控車床上進(jìn)行加工測(cè)試,加深對(duì)編程知識(shí)的理解和應(yīng)用。
- 靈活的學(xué)習(xí)方式:華中數(shù)控車床編程教程提供線上和線下兩種學(xué)習(xí)方式,學(xué)員可以根據(jù)自己的實(shí)際情況選擇適合自己的學(xué)習(xí)方式。
華中數(shù)控車床編程教程的內(nèi)容
華中數(shù)控車床編程教程的內(nèi)容涵蓋了從基礎(chǔ)知識(shí)到高級(jí)技巧的全方位學(xué)習(xí),讓學(xué)員能夠全面掌握數(shù)控車床編程的核心要點(diǎn)。
1. 數(shù)控車床基礎(chǔ)
本部分主要介紹數(shù)控車床的基本概念和結(jié)構(gòu),包括數(shù)控系統(tǒng)的組成,軸的運(yùn)動(dòng)方式,刀具的選擇和刀具路徑等。
2. 數(shù)控車床編程語言
本部分詳細(xì)介紹數(shù)控車床常用的編程語言,包括G代碼、M代碼和T代碼,講解它們的作用和用法,以及常見的編程指令和函數(shù)。
3. 編程實(shí)例
通過實(shí)際的編程實(shí)例,演示如何使用數(shù)控車床編程語言來完成各種復(fù)雜零件的加工任務(wù)。實(shí)例涵蓋多種加工方式和工藝要點(diǎn),讓學(xué)員能夠靈活應(yīng)用所學(xué)知識(shí)。
4. 高級(jí)編程技巧
本部分介紹數(shù)控車床編程的高級(jí)技巧和應(yīng)用,包括宏程序的編寫,參數(shù)調(diào)整,自動(dòng)換刀和旋轉(zhuǎn)軸的編程等,幫助學(xué)員更加靈活和高效地進(jìn)行編程。
5. 故障排除與維護(hù)
數(shù)控車床在使用過程中難免會(huì)出現(xiàn)各種故障,本部分將介紹常見的故障排除方法和維護(hù)技巧,幫助學(xué)員快速解決問題,保證生產(chǎn)的正常進(jìn)行。
如何選擇適合自己的華中數(shù)控車床編程教程?
選擇適合自己的華中數(shù)控車床編程教程是關(guān)鍵,以下幾點(diǎn)是你需要考慮的因素:
- 教程內(nèi)容的全面性:教程內(nèi)容應(yīng)該從基礎(chǔ)知識(shí)到高級(jí)技巧全面覆蓋,確保你能夠系統(tǒng)地學(xué)習(xí)和掌握編程技能。
- 教學(xué)方式的靈活性:教程提供的學(xué)習(xí)方式應(yīng)該與你的實(shí)際情況相匹配,可以選擇線上或線下學(xué)習(xí)方式。
- 教師的專業(yè)水平:教師應(yīng)具備豐富的實(shí)踐經(jīng)驗(yàn)和教學(xué)經(jīng)驗(yàn),能夠提供高質(zhì)量的教學(xué)和指導(dǎo)。
- 學(xué)習(xí)資源的豐富性:教程提供的學(xué)習(xí)資源應(yīng)該豐富多樣,包括編程案例、實(shí)例和實(shí)踐機(jī)會(huì)。
總之,選擇適合自己的華中數(shù)控車床編程教程是你提高編程技能的重要一步。通過系統(tǒng)地學(xué)習(xí)和實(shí)踐,你將能夠掌握數(shù)控車床編程的核心技巧,為自己的職業(yè)發(fā)展打下堅(jiān)實(shí)的基礎(chǔ)。
希望本文對(duì)你選擇數(shù)控車床編程教程有所幫助,祝你在數(shù)控車床編程的學(xué)習(xí)和實(shí)踐中取得良好的成果!
九、數(shù)控車床編程教程大全
數(shù)控車床編程教程大全
歡迎閱讀本篇關(guān)于數(shù)控車床編程教程的詳細(xì)指南。在這個(gè)教程中,我們將向您介紹數(shù)控車床編程的基礎(chǔ)知識(shí)、常用指令以及實(shí)用技巧,幫助您快速入門并提升編程技能。
1. 什么是數(shù)控車床編程?
數(shù)控車床編程是一種通過預(yù)先設(shè)定的指令來控制數(shù)控車床進(jìn)行加工操作的技術(shù)。它可以實(shí)現(xiàn)精密的零件加工,提高生產(chǎn)效率和加工精度。
2. 數(shù)控車床編程基礎(chǔ)知識(shí)
在學(xué)習(xí)數(shù)控車床編程之前,首先需要了解一些基礎(chǔ)知識(shí),包括坐標(biāo)系、運(yùn)動(dòng)控制、刀具路徑規(guī)劃等。這些知識(shí)將有助于您理解編程過程中涉及的概念。
2.1 坐標(biāo)系
數(shù)控車床編程中常用的坐標(biāo)系包括絕對(duì)坐標(biāo)系和相對(duì)坐標(biāo)系。絕對(duì)坐標(biāo)系是以工件坐標(biāo)原點(diǎn)為參考點(diǎn)的坐標(biāo)系,而相對(duì)坐標(biāo)系是以刀具當(dāng)前位置為參考點(diǎn)的坐標(biāo)系。
2.2 運(yùn)動(dòng)控制
數(shù)控車床編程中的運(yùn)動(dòng)控制主要包括直線插補(bǔ)和圓弧插補(bǔ)。直線插補(bǔ)用于直線運(yùn)動(dòng),而圓弧插補(bǔ)用于曲線運(yùn)動(dòng)。
2.3 刀具路徑規(guī)劃
在進(jìn)行數(shù)控車床編程時(shí),需要規(guī)劃刀具的移動(dòng)路徑,確保加工過程中刀具能夠準(zhǔn)確地到達(dá)目標(biāo)位置,并避免碰撞和誤操作。
3. 常用的數(shù)控車床編程指令
了解常用的數(shù)控車床編程指令是學(xué)習(xí)編程的關(guān)鍵,下面列舉了一些常用指令及其功能:
- G code: 控制機(jī)床的運(yùn)動(dòng)模式和功能,如G00表示快速移動(dòng),G01表示線性插補(bǔ)。
- M code: 控制機(jī)床的輔助功能,如M03表示主軸正轉(zhuǎn),M05表示主軸停止。
- S code: 控制主軸轉(zhuǎn)速,用于實(shí)現(xiàn)不同加工要求。
4. 數(shù)控車床編程實(shí)用技巧
在進(jìn)行數(shù)控車床編程時(shí),有一些實(shí)用技巧可以幫助提高編程效率和加工質(zhì)量:
- 熟練掌握編程軟件: 熟練使用編程軟件可以快速編寫復(fù)雜的加工程序。
- 注意安全操作: 在編程和操作過程中要注意安全,避免發(fā)生意外。
- 定期檢查機(jī)床: 定期對(duì)數(shù)控車床進(jìn)行檢查和維護(hù),確保設(shè)備正常運(yùn)行。
5. 總結(jié)
通過本篇數(shù)控車床編程教程大全,相信您對(duì)數(shù)控車床編程有了更深入的了解。掌握好基礎(chǔ)知識(shí)、常用指令和實(shí)用技巧,可以幫助您更輕松地進(jìn)行編程工作,并提升工作效率。
希望本篇教程能夠?qū)δ兴鶐椭矚g迎您繼續(xù)關(guān)注我們后續(xù)發(fā)布的更多數(shù)控車床編程相關(guān)內(nèi)容。
十、瓷磚維修教程?
1.瓷磚污漬維修如果瓷磚臟了,需要先確定是什么污漬。如果是水泥或者表面其他污漬,可以用弱酸去除。如果是滲入瓷磚小孔的污漬,可以選擇專業(yè)的清潔劑。(注意:不能破壞瓷磚的光澤,滲漏清理干凈后,需立即做高質(zhì)量的防污染處理,防止磚面再次滲漏)
2.瓷磚發(fā)黃維修如果瓷磚上有膠水或粘性污垢,可以用中性清潔劑和百潔布擦拭。對(duì)玻化磚重新打蠟,必須在表面灑上不含水的除蠟劑,10-15分鐘后,地面要用水濕潤(rùn),以去除舊蠟。清潔后,按照正常打蠟程序進(jìn)行維護(hù)。(注意:并不是所有的瓷磚都需要打蠟,如果發(fā)現(xiàn)玻化磚表面變黃,立即打蠟,會(huì)使打蠟的玻化磚失去光澤)
3.瓷磚邊角空鼓如果發(fā)現(xiàn)瓷磚邊緣出現(xiàn)空鼓,可對(duì)邊緣空鼓的部分進(jìn)行澆灌處理(將瓷磚之間縫隙用小鏟子砸開,然后把水泥兌水灌到縫隙里,空鼓地方會(huì)自動(dòng)吸進(jìn)去,直到灌滿灌完凝固),避免整體更換。瓷磚維修
4.瓷磚局部空鼓墻地面的瓷磚出現(xiàn)少量的局部空鼓,如在不影響櫥柜.鏡柜.花灑和熱水器等家具家電安裝穩(wěn)固的情況下,可以不予處理,但若是對(duì)安裝和日常生活造成影響,建議把這局部的瓷磚敲掉重新鋪貼。
5.瓷磚脫落維修瓷磚脫落的問題其實(shí)很好解決,舊的瓷磚還沒有破損的情況,可以先把墻面和瓷磚上的泥沙清洗干凈,提前把瓷磚潤(rùn)濕這樣更容易附著,重新涂上泥漿就可以貼上了。瓷磚脫落維修
6.瓷磚開裂維修瓷磚開裂只需要買一些瓷磚填縫劑就可以修護(hù)。而且填縫劑有很多花色可以自我挑選,填補(bǔ)之后瓷磚的效果可能會(huì)更好。到了冬季溫度較低,如果瓷磚脫瓷會(huì)難處理一些,所以這種情況只能換新。
7.瓷磚松動(dòng)維修瓷磚松動(dòng)可以通過灌漿的方法來處理,將膠水和水泥漿攪拌在一起,從瓷磚的空氣中滲進(jìn)去,一直滲到瓷磚的底部,這樣松動(dòng)的瓷磚就固定住了,我們?cè)谀z水和水泥漿干之前用濕布將多余的污漬擦掉就可以了。