冰水沖(chong)擊試(shi)驗(yan)箱(xiang)不(bu)制(zhi)冷(leng)和冰堵(du)現象的原因分析(xi)
冰水沖(chong)擊試(shi)驗(yan)箱(xiang)適(shi)用(yong)於(yu)各類電(dian)工(gong)電(dian)子(zi)產(chan)品(pin)及(ji)其(qi)他產(chan)品(pin)、零(ling)部(bu)件和材(cai)料(liao)進行(xing)高(gao)低溫恒(heng)定和各種溫(wen)度(du)沖(chong)擊及(ji)溫(wen)度(du)變(bian)化的可靠(kao)性試(shi)驗。下面我(wo)們(men)來探探設備常見(jian)的故障(zhang)解決(jue)辦(ban)法(fa)。
壹(yi)、冰水沖(chong)擊試(shi)驗(yan)箱(xiang)不(bu)制(zhi)冷(leng)
冰水沖(chong)擊試(shi)驗(yan)箱(xiang)制(zhi)冷(leng)原理:制(zhi)冷(leng)劑經(jing)壓(ya)縮(suo)機絕熱(re)壓(ya)縮(suo)到較高的壓(ya)力使排氣(qi)溫(wen)度(du)升(sheng)高(gao),然後經(jing)冷(leng)凝(ning)器(qi)和四(si)周(zhou)介(jie)質(zhi)進行(xing)熱(re)交換(huan)將(jiang)熱(re)量傳遞(di),再(zai)通過(guo)蒸(zheng)發(fa)器(qi)等溫(wen)地(di)從(cong)溫(wen)度(du)較(jiao)高(gao)的物體(ti)吸(xi)熱,使被(bei)冷(leng)卻(que)物體溫(wen)度(du)降低,重復步驟達(da)到降溫(wen)目(mu)的!而冰水沖(chong)擊試(shi)驗(yan)箱(xiang)不(bu)制(zhi)冷(leng)現象可分(fen)為(wei)以下兩大(da)方(fang)面:
電器(qi)控制(zhi)切換(huan)器(qi)問(wen)題(ti):
首(shou)先(xian)查(zha)看(kan)並確(que)定冰水沖(chong)擊試(shi)驗(yan)箱(xiang)的制(zhi)冷(leng)壓(ya)縮(suo)機是(shi)否(fou)正(zheng)常運(yun)行(xing)。同時(shi)觀(guan)察制(zhi)冷(leng)壓(ya)縮(suo)機的電源(yuan)電(dian)壓(ya)、電(dian)流是否(fou)處(chu)於相(xiang)對(dui)穩定狀態(tai),避免電(dian)器(qi)切(qie)換(huan)器(qi)局(ju)部(bu)出(chu)現不(bu)穩定狀況導(dao)致壓(ya)縮(suo)機不(bu)制(zhi)冷(leng)。
冰水沖(chong)擊試(shi)驗(yan)箱(xiang)問(wen)題(ti):
首(shou)先(xian)檢(jian)查(zha)冰(bing)水沖(chong)擊試(shi)驗(yan)箱(xiang)制(zhi)冷(leng)壓(ya)縮(suo)機的各部(bu)位(wei)壓(ya)力是否(fou)正(zheng)常,然後檢(jian)查(zha)兩(liang)組(zu)制(zhi)冷(leng)機組(zu)的低溫R23壓(ya)縮(suo)機,若(ruo)壓(ya)縮(suo)機的排氣(qi)和吸氣(qi)壓(ya)力都較(jiao)正(zheng)常值偏低,,吸氣(qi)壓(ya)力呈(cheng)抽(chou)空狀(zhuang)態(tai),那就說(shuo)明主(zhu)制(zhi)冷(leng)機組(zu)制(zhi)冷(leng)劑量不(bu)足,進行(xing)添(tian)加(jia)即(ji)可!
用(yong)手(shou)觸摸主(zhu)機組(zu)R23壓(ya)縮(suo)機的排氣(qi)和吸氣(qi)管(guan)路(lu),若果發現排氣(qi)管(guan)路(lu)溫度(du)不(bu)高,吸(xi)氣管路(lu)溫度(du)不(bu)低,而且沒(mei)有出(chu)現結(jie)霜現場,那就可以(yi)說(shuo)明主(zhu)機組(zu)的R23制(zhi)冷(leng)劑缺乏(fa),重(zhong)新(xin)進行(xing)添(tian)加(jia)即(ji)可!
二、冰(bing)水沖(chong)擊試(shi)驗(yan)箱(xiang)發生冰(bing)堵(du)
當冰水沖(chong)擊試(shi)驗(yan)箱(xiang)發生冰(bing)堵(du)問(wen)題(ti)時(shi),您(nin)知(zhi)道要(yao)如(ru)何處理嗎(ma)?其(qi)實(shi)我(wo)們(men)只(zhi)要(yao)做好(hao)平常保養工(gong)作(zuo),都(dou)可以(yi)避免小(xiao)故(gu)障(zhang)問(wen)題(ti)發生的,原因我(wo)們(men)可以(yi)從(cong)冰(bing)水沖(chong)擊試(shi)驗(yan)箱(xiang)的制(zhi)冷(leng)工(gong)作(zuo)原理入(ru)手(shou)分析(xi),從(cong)而找到冰堵的解決(jue)方式:
1、當水份(fen)進到其(qi)設(she)備(bei)的制(zhi)冷(leng)壓(ya)縮(suo)機,假如制(zhi)冷(leng)壓(ya)縮(suo)機開(kai)展充(chong)壓(ya)測(ce)漏的那時(shi)候(hou),那麽就(jiu)有可能(neng)導(dao)致其(qi)出(chu)現冰堵(du)故障(zhang)問(wen)題(ti);
2、處理這故障(zhang)問(wen)題(ti),我(wo)們(men)就(jiu)要(yao)*的消除(chu)冰水沖(chong)擊試(shi)驗(yan)箱(xiang)進汽部(bu)位(wei)的水份(fen),避免水份(fen)再(zai)度(du)進到,這壹(yi)方式是極其(qi)的重要(yao)。
3、再(zai)制(zhi)做1個(ge)效(xiao)率高的過(guo)濾裝置時(shi),關鍵是(shi)起(qi)著幹(gan)躁的功效(xiao),過(guo)濾裝置的生產(chan)制(zhi)造流程也(ye)非(fei)常簡(jian)單。尋找1個(ge)含(han)有密封(feng)性(xing)的鐵玻璃(li)罐(guan)在機器(qi)設(she)備(bei)底端(duan)鉆1個圓洞,在圓洞處接(jie)每段空調(tiao)銅(tong)管。安裝好在冰水沖(chong)擊試(shi)驗(yan)箱(xiang)箱(xiang)體內之後,將(jiang)氯(lv)化鈣放進滌綸(lun)布袋(dai)子(zi)裏(li)邊(bian),後放(fang)入鐵(tie)桶(tong)中(zhong),而且維(wei)持蓋(gai)口的閉(bi)緊(jin)性,避免氣(qi)體(ti)進到,造成濕冷(leng)。
4、在使用(yong)其(qi)冰(bing)水沖(chong)擊試(shi)驗(yan)箱(xiang)制(zhi)冷(leng)壓(ya)縮(suo)機的全過(guo)程中(zhong),要(yao)是(shi)拔(ba)掉(diao)瓶塞(sai),隨後將(jiang)出(chu)氣口與(yu)制(zhi)冷(leng)壓(ya)縮(suo)機支氣(qi)管(guan)聯接(jie)可以(yi)了(le)。