單級(ji)(ji)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)機(ji)是(shi)應(ying)用(yong)(yong)比較(jiao)廣泛的(de)一類制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)機(ji)，它可以應(ying)用(yong)(yong)于制(zhi)(zhi)(zhi)冰、空調(diao)、食品冷(leng)(leng)(leng)(leng)(leng)(leng)藏及(ji)工業生產(chan)過程等方面(mian)。單級(ji)(ji)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)循環(huan)是(shi)指制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)劑(ji)(ji)(ji)(ji)(ji)在制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)系統(tong)(tong)(tong)內(nei)相(xiang)繼經過壓(ya)(ya)縮(suo)(suo)、冷(leng)(leng)(leng)(leng)(leng)(leng)凝(ning)、節(jie)(jie)(jie)流(liu)、蒸發(fa)四個過程，便完成了單級(ji)(ji)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)機(ji)的(de)循環(huan)，即(ji)達到(dao)了制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)的(de)目(mu)的(de)。 制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)系統(tong)(tong)(tong)由蒸發(fa)器(qi)(qi)、單級(ji)(ji)壓(ya)(ya)縮(suo)(suo)機(ji)、油分(fen)離器(qi)(qi)、冷(leng)(leng)(leng)(leng)(leng)(leng)凝(ning)器(qi)(qi)、貯(zhu)氨(an)(an)器(qi)(qi)、氨(an)(an)液(ye)(ye)分(fen)離器(qi)(qi)、節(jie)(jie)(jie)流(liu)閥(fa)(fa)及(ji)其它附(fu)(fu)屬(shu)設備(bei)等組成，相(xiang)互間通過管子聯接(jie)成一個封閉系統(tong)(tong)(tong)。其中，蒸發(fa)器(qi)(qi)是(shi)輸(shu)送(song)冷(leng)(leng)(leng)(leng)(leng)(leng)量的(de)設備(bei)，液(ye)(ye)態制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)劑(ji)(ji)(ji)(ji)(ji)蒸發(fa)后吸收被(bei)冷(leng)(leng)(leng)(leng)(leng)(leng)卻物體(ti)的(de)熱量實現制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)；壓(ya)(ya)縮(suo)(suo)機(ji)是(shi)系統(tong)(tong)(tong)的(de)心臟，起著吸入、壓(ya)(ya)縮(suo)(suo)、輸(shu)送(song)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)劑(ji)(ji)(ji)(ji)(ji)蒸汽(qi)的(de)作用(yong)(yong)；油分(fen)離器(qi)(qi)用(yong)(yong)于沉降(jiang)分(fen)離壓(ya)(ya)縮(suo)(suo)后的(de)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)劑(ji)(ji)(ji)(ji)(ji)蒸汽(qi)中的(de)油；冷(leng)(leng)(leng)(leng)(leng)(leng)凝(ning)器(qi)(qi)將壓(ya)(ya)縮(suo)(suo)機(ji)排出的(de)高(gao)溫制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)劑(ji)(ji)(ji)(ji)(ji)蒸汽(qi)冷(leng)(leng)(leng)(leng)(leng)(leng)凝(ning)成為(wei)飽和(he)液(ye)(ye)體(ti)；貯(zhu)氨(an)(an)器(qi)(qi)用(yong)(yong)來貯(zhu)存冷(leng)(leng)(leng)(leng)(leng)(leng)凝(ning)器(qi)(qi)里冷(leng)(leng)(leng)(leng)(leng)(leng)凝(ning)的(de)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)劑(ji)(ji)(ji)(ji)(ji)氨(an)(an)液(ye)(ye)，調(diao)節(jie)(jie)(jie)冷(leng)(leng)(leng)(leng)(leng)(leng)凝(ning)器(qi)(qi)和(he)蒸發(fa)器(qi)(qi)之(zhi)間制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)劑(ji)(ji)(ji)(ji)(ji)氨(an)(an)液(ye)(ye)的(de)供需關系；氨(an)(an)液(ye)(ye)分(fen)離器(qi)(qi)是(shi)氨(an)(an)重(zhong)力(li)供液(ye)(ye)系統(tong)(tong)(tong)中的(de)重(zhong)要(yao)附(fu)(fu)屬(shu)設備(bei)；節(jie)(jie)(jie)流(liu)閥(fa)(fa)對制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)劑(ji)(ji)(ji)(ji)(ji)起節(jie)(jie)(jie)流(liu)降(jiang)壓(ya)(ya)作用(yong)(yong)同時控制(zhi)(zhi)(zhi)和(he)調(diao)節(jie)(jie)(jie)流(liu)入蒸發(fa)器(qi)(qi)中制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)劑(ji)(ji)(ji)(ji)(ji)液(ye)(ye)體(ti)的(de)流(liu)量，并(bing)將系統(tong)(tong)(tong)分(fen)為(wei)高(gao)壓(ya)(ya)側和(he)低壓(ya)(ya)側兩部分(fen)

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當(dang)然(ran)，溢(yi)流(liu)閥也(ye)有可能(neng)(neng)被堵塞。也(ye)會有高壓(ya)報(bao)警(jing)，但是(shi)這種(zhong)常見的故(gu)障(zhang)是(shi)服務器一旦(dan)啟動(dong)，服務器一運(yun)行就會報(bao)警(jing)。與(yu)前面(mian)幾類不同，這里也(ye)提(ti)到，如果(guo)發出底壓(ya)報(bao)警(jing)，一般(ban)是(shi)制冷劑泄漏造成的。也(ye)有可能(neng)(neng)是(shi)溫降過低(di)(di)，導(dao)致空調(diao)蒸發器工作壓(ya)力降低(di)(di)超過原(yuan)廠**工作壓(ya)力設置(zhi)，也(ye)導(dao)致底壓(ya)報(bao)警(jing)！