汽(qi)車空(kong)調(diao)系統(tong)有兩個主要的(de)空(kong)調(diao)管(guan),一(yi)根(gen)是(shi)從(cong)蒸發器到壓縮(suo)機的(de)低壓管(guan),另外一(yi)根(gen)是(shi)從(cong)冷凝(ning)器到蒸發器的(de)高壓管(guan)。包裹(guo)(guo)(guo)這兩根(gen)空(kong)調(diao)管(guan)可以(yi)提(ti)高空(kong)調(diao)系統(tong)的(de)制(zhi)冷性能嗎?答案是(shi)肯定的(de),但是(shi)包裹(guo)(guo)(guo)的(de)方法和位置是(shi)很有講究。如果(guo)包裹(guo)(guo)(guo)不當,可能會起(qi)到相反的(de)效(xiao)果(guo)。
汽(qi)車(che)空(kong)調原理(li):壓(ya)(ya)(ya)(ya)(ya)縮機(ji)(ji)往往是安裝在(zai)(zai)(zai)發(fa)(fa)(fa)動機(ji)(ji)上,并用皮帶驅動(也有直(zhi)接驅動的(de)(de)(de)),冷(leng)(leng)凝器(qi)(qi)(qi)安裝在(zai)(zai)(zai)汽(qi)車(che)散熱器(qi)(qi)(qi)的(de)(de)(de)前(qian)方(fang),而蒸(zheng)(zheng)發(fa)(fa)(fa)器(qi)(qi)(qi)在(zai)(zai)(zai)車(che)里面(mian),工(gong)作(zuo)(zuo)時從蒸(zheng)(zheng)發(fa)(fa)(fa)器(qi)(qi)(qi)出來的(de)(de)(de)低壓(ya)(ya)(ya)(ya)(ya)氣(qi)(qi)態(tai)致(zhi)(zhi)(zhi)冷(leng)(leng)劑(ji)流(liu)經(jing)(jing)壓(ya)(ya)(ya)(ya)(ya)縮機(ji)(ji)變(bian)成(cheng)高(gao)壓(ya)(ya)(ya)(ya)(ya)高(gao)溫氣(qi)(qi)體(ti),經(jing)(jing)過(guo)冷(leng)(leng)凝器(qi)(qi)(qi)散熱管降溫冷(leng)(leng)卻變(bian)成(cheng)高(gao)壓(ya)(ya)(ya)(ya)(ya)低溫的(de)(de)(de)液(ye)體(ti),再經(jing)(jing)過(guo)貯液(ye)干(gan)燥器(qi)(qi)(qi)除(chu)濕與緩沖(chong),然后以較(jiao)穩(wen)定(ding)的(de)(de)(de)壓(ya)(ya)(ya)(ya)(ya)力和流(liu)量流(liu)向膨(peng)脹閥(fa),經(jing)(jing)節流(liu)和降壓(ya)(ya)(ya)(ya)(ya)最后流(liu)向蒸(zheng)(zheng)發(fa)(fa)(fa)器(qi)(qi)(qi)。致(zhi)(zhi)(zhi)冷(leng)(leng)劑(ji)一遇(yu)低壓(ya)(ya)(ya)(ya)(ya)環境即(ji)蒸(zheng)(zheng)發(fa)(fa)(fa),吸收大量熱能。車(che)廂(xiang)內(nei)的(de)(de)(de)空(kong)氣(qi)(qi)不(bu)斷(duan)流(liu)經(jing)(jing)蒸(zheng)(zheng)發(fa)(fa)(fa)器(qi)(qi)(qi),車(che)廂(xiang)內(nei)溫度也就因此(ci)降低。液(ye)態(tai)致(zhi)(zhi)(zhi)冷(leng)(leng)劑(ji)流(liu)經(jing)(jing)蒸(zheng)(zheng)發(fa)(fa)(fa)器(qi)(qi)(qi)后再次變(bian)成(cheng)低壓(ya)(ya)(ya)(ya)(ya)氣(qi)(qi)體(ti),又(you)重新被吸入(ru)壓(ya)(ya)(ya)(ya)(ya)縮機(ji)(ji)進行下一次的(de)(de)(de)循環工(gong)作(zuo)(zuo)。在(zai)(zai)(zai)整個系統(tong)(tong)(tong)中,膨(peng)脹閥(fa)是控制致(zhi)(zhi)(zhi)冷(leng)(leng)劑(ji)進入(ru)蒸(zheng)(zheng)發(fa)(fa)(fa)器(qi)(qi)(qi)的(de)(de)(de)機(ji)(ji)關,致(zhi)(zhi)(zhi)冷(leng)(leng)劑(ji)進入(ru)蒸(zheng)(zheng)發(fa)(fa)(fa)器(qi)(qi)(qi)太多就不(bu)易蒸(zheng)(zheng)發(fa)(fa)(fa)而太少冷(leng)(leng)氣(qi)(qi)又(you)會不(bu)夠,因此(ci)膨(peng)脹閥(fa)是調節中樞(shu)。而壓(ya)(ya)(ya)(ya)(ya)縮機(ji)(ji)是系統(tong)(tong)(tong)的(de)(de)(de)心臟(zang),系統(tong)(tong)(tong)循環的(de)(de)(de)動力源泉。
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