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壹、溫熱試(shi)驗箱*故障處(chu)理(li)
1、低溫降不到或無法降溫
①壓(ya)縮機損壞或未開啟,更(geng)換壓縮機及檢查控(kong)制壓(ya)縮機線(xian)路(lu)及控(kong)制元(yuan)器件(jian)是否(fou)損(sun)壞
②制冷(leng)劑(ji)泄漏,用氮氣(qi)檢漏法找(zhao)出漏點,焊(han)接,抽真空,加(jia)入(ru)制(zhi)冷(leng)劑(ji),重新(xin)調(tiao)試
③電(dian)磁(ci)閥(fa)動作異(yi)常,更(geng)換(huan)電(dian)磁(ci)閥(fa),檢查電(dian)磁(ci)閥(fa)控(kong)制線(xian)路(lu)
④毛細(xi)管(guan)堵(du)塞(sai),更(geng)換(huan)毛細(xi)管(guan),更換(huan)幹燥過濾器,用氮氣(qi)吹幹凈冷(leng)凝(ning)系(xi)統(tong)雜質(zhi),加(jia)入(ru)制(zhi)冷(leng)劑(ji)調(tiao)試
⑤冷(leng)凝(ning)器結冰,升溫燒幹箱內水分(fen),在(zai)降溫
2、不(bu)升溫或高溫達(da)不到
①加熱管(guan)損壞(更換(huan)即(ji)可)
②固(gu)態(tai)繼(ji)電(dian)器(qi)損壞,更換(huan)即(ji)可
3、濕度(du)不上(shang)升(sheng)或不加濕(shi)度
①加濕(shi)管(guan)損壞,更換(huan)即(ji)可
②控(kong)制加(jia)濕(shi)的(de)水(shui)位(wei)浮(fu)球(qiu)未浮(fu)起
③加濕固(gu)態(tai)繼(ji)電(dian)器(qi)損壞
4、濕度(du)總(zong)顯示100%RH
①紗(sha)布(bu)異(yi)常,更(geng)換(huan)紗(sha)布(bu)
②制(zhi)冷(leng)系(xi)統(tong)故障,檢查制冷(leng)系(xi)統(tong)
③水路(lu)系(xi)統(tong)供水(shui)異(yi)常,檢查水路(lu)系(xi)統(tong)
5、總電(dian)源(yuan)開關(guan)跳閘(zha)
①設備總(zong)電(dian)源(yuan)超(chao)過電(dian)源(yuan)開關(guan)總(zong)電(dian)流(liu),更換合(he)適的(de)電(dian)源(yuan)開關(guan)
②設(she)備漏電(dian),檢查設備壓(ya)縮機,電(dian)機(ji),加熱管(guan),加濕(shi)管(guan),冷(leng)凝(ning)器,風扇,變壓(ya)器,開(kai)關電(dian)源(yuan),水泵(beng)等元(yuan)器件(jian)絕緣(yuan)阻(zu)值(zhi)及漏電(dian)電(dian)流(liu)
6、高低溫交(jiao)變濕(shi)熱試(shi)驗箱漏水
①檢查水管(guan),水杯,加濕(shi)桶(tong),水(shui)箱是(shi)否正常,如(ru)有異(yi)常,用(yong)生(sheng)料(liao)袋臨檢或用耐高溫中性(xing)玻(bo)璃膠(jiao)密(mi)封(feng),
②檢查箱內密封(feng)是否(fou)OK,如(ru)有異(yi)常用(yong)耐(nai)高溫中性(xing)玻(bo)璃膠(jiao)密(mi)封(feng),
③檢查制冷(leng)系(xi)統(tong)保溫是(shi)否正常,如(ru)有異(yi)常,用(yong)保溫棉纏繞(rao)加(jia)強保溫
7、高低溫交(jiao)變濕(shi)熱試(shi)驗箱內結霜或結冰
①長時(shi)間運(yun)行(xing)低溫導(dao)致(zhi)升高溫烘(hong)烤(kao)幹水分後(hou)在(zai)降溫
②做(zuo)實(shi)驗時經(jing)常開(kai)箱門(men)導(dao)致(zhi),盡(jin)量做實(shi)驗時不(bu)開或少開箱門(men)(有條件(jian)的(de)加(jia)上(shang)玻(bo)璃(li)門)
③循(xun)環(huan)電(dian)機(ji)損壞或風輪脫(tuo)掉(diao),更換循(xun)環(huan)電(dian)機(ji)及擰緊(jin)風輪
8、溫熱試(shi)驗箱*設(she)備有噪音(yin)
檢測電(dian)機(ji),風輪,冷(leng)凝(ning)器,風扇,壓縮機,機殼(ke)蓋板(ban)等螺(luo)絲(si)擰緊(jin)即可(ke)。