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高低溫測試箱故障解決方法

更新時(shi)間:2014-12-04瀏覽:2224次

高低溫測試箱故障解決(jue)方法

     高(gao)(gao)低(di)溫(wen)測試(shi)(shi)箱(xiang)是一款zui常見(jian)的可靠性環境(jing)(jing)試(shi)(shi)驗儀器(qi)(qi)(qi),用于模(mo)擬高(gao)(gao)溫(wen)低(di)溫(wen),高(gao)(gao)低(di)溫(wen)循(xun)環,高(gao)(gao)低(di)溫(wen)老(lao)化(hua)環境(jing)(jing),使試(shi)(shi)驗樣品(電(dian)(dian)(dian)子電(dian)(dian)(dian)器(qi)(qi)(qi)零部(bu)(bu)件(jian)(jian),光電(dian)(dian)(dian),半(ban)導體,LED照明電(dian)(dian)(dian)器(qi)(qi)(qi),汽車零部(bu)(bu)件(jian)(jian),電(dian)(dian)(dian)路板pcb,通訊(xun)器(qi)(qi)(qi)件(jian)(jian),復合材(cai)料,塑膠塑料,航天材(cai)料,高(gao)(gao)分子材(cai)料,五金電(dian)(dian)(dian)鍍等)在高低(di)溫(wen)循環(huan)測(ce)試箱內進行(xing)溫(wen)度變化,從而(er)評(ping)估(gu)產品(pin)或(huo)材料(liao)的溫(wen)度環(huan)境(jing)適應(ying)能力。下面,高低(di)溫(wen)測(ce)試箱廠家-科文為(wei)用戶普及了高低(di)溫(wen)試驗箱故障解(jie)決方法,希望可以(yi)(yi)幫助(zhu)用戶解(jie)決問(wen)題。如(ru)果(guo)您(nin)在操(cao)作或(huo)使用高低(di)溫(wen)測(ce)試儀(yi)的時候(hou)出現任何疑惑,可以(yi)(yi)直接科文公司,我(wo)們將熱忱(chen)為(wei)您(nin)服務!

1.高(gao)低溫(wen)(wen)箱在高(gao)溫(wen)(wen)試(shi)(shi)驗中,如溫(wen)(wen)度(du)變化達不(bu)到(dao)試(shi)(shi)驗溫(wen)(wen)度(du)值時,可以檢查電器系統(tong)(tong),逐一排(pai)除故(gu)障。如溫(wen)(wen)度(du)升得(de)很慢,就(jiu)要(yao)查看風循(xun)環系統(tong)(tong),看一下風循(xun)環的(de)(de)調節擋板是否開啟正(zheng)常,反之,就(jiu)檢查風循(xun)環的(de)(de)電機運轉是否正(zheng)常。如溫(wen)(wen)度(du)過沖厲害那(nei)么就(jiu)需(xu)要(yao)整定的(de)(de)設置參(can)數(shu)。如果溫(wen)(wen)度(du)直(zhi)接上升,過溫(wen)(wen)保護(hu),那(nei)么,控制器出(chu)故(gu)障,須更換控制儀(yi)表(biao),如需(xu)幫助可東莞科(ke)文(wen)。

2.高低溫(wen)測試(shi)機(ji)低溫(wen)達(da)不(bu)到試(shi)驗(yan)(yan)的(de)(de)指標,那就要觀察溫(wen)度(du)的(de)(de)變化,是(shi)溫(wen)度(du)降的(de)(de)很慢(man),還是(shi)溫(wen)度(du)到一(yi)定值后(hou)溫(wen)度(du)有(you)回升的(de)(de)趨勢(shi),前者要檢查一(yi)下(xia),做低溫(wen)試(shi)驗(yan)(yan)前是(shi)否(fou)將工(gong)(gong)作室烘干,使(shi)工(gong)(gong)作室保持干燥后(hou)再(zai)將試(shi)驗(yan)(yan)樣品放入工(gong)(gong)作室內再(zai)做試(shi)驗(yan)(yan),工(gong)(gong)作室內的(de)(de)試(shi)驗(yan)(yan)樣品是(shi)否(fou)放置的(de)(de)過多,使(shi)工(gong)(gong)作室內的(de)(de)風不(bu)能充分循環,在排除(chu)上述原因(yin)后(hou),就要考慮是(shi)否(fou)是(shi)制(zhi)冷系統(tong)中(zhong)的(de)(de)故(gu)障了,這樣就要請(qing)廠家的(de)(de)專業人員進行(xing)檢修。后(hou)者的(de)(de)現象是(shi)設(she)備(bei)的(de)(de)使(shi)用環境不(bu)好所致,設(she)備(bei)放置的(de)(de)環境溫(wen)度(du),放置的(de)(de)位置(箱體后(hou)與墻的(de)(de)距(ju)離)要滿足(zu)要求(在設(she)備(bei)操作使(shi)用說(shuo)明中(zhong)都有(you)規定)。

3.高(gao)低溫濕(shi)(shi)熱老化(hua)試(shi)(shi)驗箱在做濕(shi)(shi)熱試(shi)(shi)驗中,出現實(shi)(shi)際(ji)濕(shi)(shi)度(du)會達到或者(zhe)實(shi)(shi)際(ji)濕(shi)(shi)度(du)與(yu)目標(biao)濕(shi)(shi)度(du)相差很大,數值低得很多,前者(zhe)的(de)(de)現象(xiang):可能是(shi)(shi)(shi)(shi)濕(shi)(shi)球(qiu)傳感器上(shang)的(de)(de)紗布(bu)干燥引起,那就(jiu)要檢查濕(shi)(shi)球(qiu)傳感器的(de)(de)水(shui)(shui)(shui)(shui)槽(cao)(cao)中是(shi)(shi)(shi)(shi)否(fou)(fou)(fou)(fou)缺水(shui)(shui)(shui)(shui),水(shui)(shui)(shui)(shui)槽(cao)(cao)中的(de)(de)水(shui)(shui)(shui)(shui)位是(shi)(shi)(shi)(shi)由一(yi)水(shui)(shui)(shui)(shui)位控制(zhi)器自動控制(zhi)的(de)(de),查水(shui)(shui)(shui)(shui)位控制(zhi)器供(gong)水(shui)(shui)(shui)(shui)系(xi)(xi)(xi)統是(shi)(shi)(shi)(shi)否(fou)(fou)(fou)(fou)供(gong)水(shui)(shui)(shui)(shui)正常(chang)(chang),水(shui)(shui)(shui)(shui)位控制(zhi)器工(gong)作是(shi)(shi)(shi)(shi)否(fou)(fou)(fou)(fou)正常(chang)(chang)。另一(yi)種可能就(jiu)是(shi)(shi)(shi)(shi)濕(shi)(shi)球(qiu)紗布(bu)因使(shi)(shi)用時間(jian)長,或供(gong)水(shui)(shui)(shui)(shui)水(shui)(shui)(shui)(shui)質純(chun)凈度(du)的(de)(de)原因,會使(shi)(shi)紗布(bu)變硬,使(shi)(shi)紗布(bu)無法吸收水(shui)(shui)(shui)(shui)份而干燥,只要更(geng)換或清洗紗布(bu)即可排除以上(shang)現象(xiang)。后者(zhe)的(de)(de)現象(xiang)主要是(shi)(shi)(shi)(shi)加(jia)(jia)濕(shi)(shi)系(xi)(xi)(xi)統不工(gong)作,查看加(jia)(jia)濕(shi)(shi)系(xi)(xi)(xi)統的(de)(de)供(gong)水(shui)(shui)(shui)(shui)系(xi)(xi)(xi)統,供(gong)水(shui)(shui)(shui)(shui)系(xi)(xi)(xi)統內是(shi)(shi)(shi)(shi)否(fou)(fou)(fou)(fou)有一(yi)定的(de)(de)水(shui)(shui)(shui)(shui)量,控制(zhi)加(jia)(jia)濕(shi)(shi)鍋爐(lu)水(shui)(shui)(shui)(shui)位的(de)(de)水(shui)(shui)(shui)(shui)位控制(zhi)是(shi)(shi)(shi)(shi)否(fou)(fou)(fou)(fou)正常(chang)(chang),加(jia)(jia)濕(shi)(shi)鍋爐(lu)內的(de)(de)水(shui)(shui)(shui)(shui)位是(shi)(shi)(shi)(shi)否(fou)(fou)(fou)(fou)正常(chang)(chang)。如以上(shang)一(yi)切都正常(chang)(chang),那就(jiu)要檢查電器控制(zhi)系(xi)(xi)(xi)統,這要請專業維修人員(科文試(shi)(shi)驗設(she)備(bei)公(gong)司)進行檢修。

4.設(she)備在試(shi)驗運行(xing)過(guo)程中突然出現故(gu)(gu)障(zhang)時,控制儀表上出現對應的(de)故(gu)(gu)障(zhang)顯示提示并有聲訊報警提示。操(cao)作人員(yuan)可以對照(zhao)設(she)備的(de)操(cao)作使用中的(de)故(gu)(gu)障(zhang)排除一章中快(kuai)速檢查出屬于(yu)哪一類故(gu)(gu)障(zhang),即可請專業人員(yuan)快(kuai)速排除故(gu)(gu)障(zhang),以確保試(shi)驗的(de)正常進行(xing)。

其它(ta)環境試(shi)驗設備在使用(yong)中還會有其它(ta)的現象,那就要具體(ti)現象,具體(ti)分析和排除(chu)。環境試(shi)驗設備還要定期(qi)進行維(wei)護保養,制(zhi)冷系統(tong)的冷凝器(qi)定期(qi)清理,對于(yu)活(huo)動部(bu)件(jian)應(ying)按說明書加潤滑油,電器(qi)控(kong)制(zhi)系統(tong)定期(qi)維(wei)護檢查等(deng)等(deng),這些(xie)工作(zuo)是*的。了解高(gao)低溫老化測試(shi)箱更多維(wei)護保養方面,請(qing)直接登錄(lu)科文或致(zhi)電科文技術部(bu)。

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