汽車空調系統有兩(liang)(liang)個主要的(de)空調管,一(yi)(yi)根是(shi)從蒸(zheng)發器(qi)到(dao)壓(ya)縮(suo)機的(de)低壓(ya)管,另外一(yi)(yi)根是(shi)從冷(leng)凝(ning)器(qi)到(dao)蒸(zheng)發器(qi)的(de)高壓(ya)管。包(bao)裹這(zhe)兩(liang)(liang)根空調管可以提高空調系統的(de)制冷(leng)性能(neng)嗎?答(da)案是(shi)肯定的(de),但是(shi)包(bao)裹的(de)方法和(he)位置是(shi)很有講究(jiu)。如(ru)果包(bao)裹不當(dang),可能(neng)會起到(dao)相反(fan)的(de)效果。
汽車空調(diao)原理:壓(ya)(ya)(ya)(ya)(ya)縮機(ji)往(wang)往(wang)是安裝在發(fa)(fa)動(dong)(dong)機(ji)上(shang),并用皮帶驅(qu)動(dong)(dong)(也有直接驅(qu)動(dong)(dong)的(de)(de)(de)(de)),冷(leng)(leng)凝器(qi)安裝在汽車散熱器(qi)的(de)(de)(de)(de)前方,而蒸(zheng)(zheng)發(fa)(fa)器(qi)在車里面,工作時從(cong)蒸(zheng)(zheng)發(fa)(fa)器(qi)出來的(de)(de)(de)(de)低壓(ya)(ya)(ya)(ya)(ya)氣態致(zhi)(zhi)冷(leng)(leng)劑(ji)流(liu)經(jing)(jing)壓(ya)(ya)(ya)(ya)(ya)縮機(ji)變成(cheng)(cheng)高壓(ya)(ya)(ya)(ya)(ya)高溫(wen)氣體,經(jing)(jing)過(guo)冷(leng)(leng)凝器(qi)散熱管(guan)降(jiang)溫(wen)冷(leng)(leng)卻變成(cheng)(cheng)高壓(ya)(ya)(ya)(ya)(ya)低溫(wen)的(de)(de)(de)(de)液體,再經(jing)(jing)過(guo)貯液干(gan)燥器(qi)除(chu)濕與(yu)緩沖,然后以較穩(wen)定的(de)(de)(de)(de)壓(ya)(ya)(ya)(ya)(ya)力和流(liu)量流(liu)向(xiang)膨(peng)脹(zhang)閥(fa),經(jing)(jing)節流(liu)和降(jiang)壓(ya)(ya)(ya)(ya)(ya)最后流(liu)向(xiang)蒸(zheng)(zheng)發(fa)(fa)器(qi)。致(zhi)(zhi)冷(leng)(leng)劑(ji)一遇低壓(ya)(ya)(ya)(ya)(ya)環境(jing)即蒸(zheng)(zheng)發(fa)(fa),吸收大量熱能。車廂內(nei)的(de)(de)(de)(de)空氣不斷流(liu)經(jing)(jing)蒸(zheng)(zheng)發(fa)(fa)器(qi),車廂內(nei)溫(wen)度也就因此降(jiang)低。液態致(zhi)(zhi)冷(leng)(leng)劑(ji)流(liu)經(jing)(jing)蒸(zheng)(zheng)發(fa)(fa)器(qi)后再次變成(cheng)(cheng)低壓(ya)(ya)(ya)(ya)(ya)氣體,又重新被吸入(ru)壓(ya)(ya)(ya)(ya)(ya)縮機(ji)進行下(xia)一次的(de)(de)(de)(de)循環工作。在整個系統(tong)中(zhong)(zhong),膨(peng)脹(zhang)閥(fa)是控制致(zhi)(zhi)冷(leng)(leng)劑(ji)進入(ru)蒸(zheng)(zheng)發(fa)(fa)器(qi)的(de)(de)(de)(de)機(ji)關,致(zhi)(zhi)冷(leng)(leng)劑(ji)進入(ru)蒸(zheng)(zheng)發(fa)(fa)器(qi)太(tai)多就不易(yi)蒸(zheng)(zheng)發(fa)(fa)而太(tai)少冷(leng)(leng)氣又會不夠(gou),因此膨(peng)脹(zhang)閥(fa)是調(diao)節中(zhong)(zhong)樞。而壓(ya)(ya)(ya)(ya)(ya)縮機(ji)是系統(tong)的(de)(de)(de)(de)心(xin)臟,系統(tong)循環的(de)(de)(de)(de)動(dong)(dong)力源泉。
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