正(zheng)常狀況下高低(di)溫(wen)(wen)試驗箱會(hui)依據設置的時間(jian)和溫(wen)(wen)度制冷到相對的標值,但設備使(shi)用時間(jian)太長或(huo)實(shi)際操(cao)作不善很可能(neng)造成高低(di)溫(wen)(wen)試驗箱遲緩(huan)制冷。

這(zhe)(zhe)時(shi)我們需要觀察箱體運作時(shi)制(zhi)冷(leng)(leng)機(ji)(ji)組能否起(qi)動(dong)，自然環境(jing)實驗(yan)設(she)備運作時(shi)制(zhi)冷(leng)(leng)壓(ya)縮(suo)機(ji)(ji)能否起(qi)動(dong)。若(ruo)電路(lu)系(xi)統沒有問(wen)題，再(zai)次查驗(yan)制(zhi)冷(leng)(leng)機(ji)(ji)組。若(ruo)冷(leng)(leng)凍機(ji)(ji)組低溫(wen)制(zhi)冷(leng)(leng)壓(ya)縮(suo)機(ji)(ji)的排(pai)氣(qi)管(guan)(guan)和呼吸(xi)工(gong)作壓(ya)力(li)小于標準值,呼吸(xi)工(gong)作壓(ya)力(li)為空，則表明(ming)主冷(leng)(leng)凍機(ji)(ji)組冷(leng)(leng)媒量不夠(gou)。用(yong)力(li)觸碰主發電機(ji)(ji)組的冷(leng)(leng)壓(ya)縮(suo)機(ji)(ji)的排(pai)氣(qi)管(guan)(guan)和呼吸(xi)管(guan)(guan)道(dao),發覺(jue)排(pai)氣(qi)管(guan)(guan)路(lu)度不高呼吸(xi)管(guan)(guan)道(dao)溫(wen)度不低不起(qi)霜。這(zhe)(zhe)也說明(ming)主發動(dong)機(ji)(ji)總成中缺(que)乏r23冷(leng)(leng)煤(mei)。

若常(chang)見(jian)(jian)故(gu)障緣故(gu)還未明(ming)確，融合(he)試驗箱的(de)操(cao)縱全(quan)過程,進一(yi)(yi)步(bu)明(ming)確了常(chang)見(jian)(jian)故(gu)障緣故(gu)。高低溫(wen)試驗箱有(you)兩個(ge)致令(ling)設備。一(yi)(yi)個(ge)是服務器,另(ling)一(yi)(yi)個(ge)是銅(tong)爐輔機。當(dang)制(zhi)冷(leng)速(su)率較高時(shi),2組(zu)(zu)發(fa)電(dian)(dian)機組(zu)(zu)另(ling)外(wai)工(gong)(gong)作(zuo)(zuo)中(zhong)(zhong)。在(zai)溫(wen)度維護(hu)階段網開始時(shi),2組(zu)(zu)發(fa)電(dian)(dian)機組(zu)(zu)仍另(ling)外(wai)工(gong)(gong)作(zuo)(zuo)中(zhong)(zhong),當(dang)溫(wen)度基本平(ping)穩(wen)(wen)(wen)后,輔助(zhu)發(fa)電(dian)(dian)機組(zu)(zu)停止(zhi)(zhi)工(gong)(gong)作(zuo)(zuo),由主(zhu)發(fa)電(dian)(dian)機組(zu)(zu)維持溫(wen)度平(ping)穩(wen)(wen)(wen)。假(jia)如主(zhu)發(fa)電(dian)(dian)機組(zu)(zu)的(de)23泄露,主(zhu)發(fa)電(dian)(dian)機組(zu)(zu)的(de)制(zhi)冷(leng)實際效果(guo)將不(bu)(bu)大。因為兩部(bu)發(fa)電(dian)(dian)機組(zu)(zu)在(zai)制(zhi)冷(leng)全(quan)過程中(zhong)(zhong)另(ling)外(wai)工(gong)(gong)作(zuo)(zuo)中(zhong)(zhong),不(bu)(bu)會(hui)有(you)溫(wen)度不(bu)(bu)穩(wen)(wen)(wen)定(ding)的(de)狀況,說明(ming)制(zhi)冷(leng)速(su)率有(you)一(yi)(yi)定(ding)的(de)減少。在(zai)溫(wen)度維護(hu)階段,一(yi)(yi)且銅(tong)爐輔機停止(zhi)(zhi)工(gong)(gong)作(zuo)(zuo),服務器沒有(you)致冷(leng)作(zuo)(zuo)用,檢測箱里的(de)氣體便會(hui)遲緩(huan)升高。當(dang)溫(wen)度升高到(dao)一(yi)(yi)定(ding)水平(ping)時(shi),自動(dong)控制(zhi)系(xi)統起動(dong)鋪(pu)助(zhu)發(fa)電(dian)(dian)機組(zu)(zu)制(zhi)冷(leng),隨(sui)后輔助(zhu)發(fa)電(dian)(dian)機組(zu)(zu)不(bu)(bu)斷停止(zhi)(zhi)工(gong)(gong)作(zuo)(zuo)，會(hui)產生常(chang)見(jian)(jian)故(gu)障。

若已確定常見故障緣故是主發電機組(zu)低溫(R23)發電機組(zu)冷媒(mei)R23泄露。用(yong)測(ce)漏儀(yi)和肥皂液查(cha)驗制冷機組(zu)。發覺熱流(liu)旁通繼電器閥座裂開約一厘米。繼電器能夠拆換,系統軟件能夠再次充注(zhu)氟(fu)