大連車載空調由(you)壓(ya)縮(suo)機(ji)(ji)、冷(leng)(leng)凝(ning)器(qi)、節流元件(jian)(jian)、蒸(zheng)(zheng)(zheng)發(fa)(fa)(fa)器(qi)、風(feng)機(ji)(ji)及必(bi)要的控制(zhi)(zhi)部件(jian)(jian)構成，用(yong)于(yu)調(diao)節車(che)(che)(che)內(nei)(nei)(nei)溫(wen)度、濕度，給乘員提供舒適環(huan)(huan)(huan)境的空(kong)(kong)(kong)調(diao)系統。當壓(ya)縮(suo)機(ji)(ji)工作(zuo)時(shi)，壓(ya)縮(suo)機(ji)(ji)吸(xi)入從蒸(zheng)(zheng)(zheng)發(fa)(fa)(fa)器(qi)出來的低(di)(di)溫(wen)低(di)(di)壓(ya)的氣(qi)(qi)(qi)態(tai)制(zhi)(zhi)冷(leng)(leng)劑(ji)，經(jing)(jing)壓(ya)縮(suo)，制(zhi)(zhi)冷(leng)(leng)劑(ji)的溫(wen)度和(he)(he)壓(ya)力升高(gao)(gao)，并被送(song)入冷(leng)(leng)凝(ning)器(qi)。在(zai)冷(leng)(leng)凝(ning)器(qi)內(nei)(nei)(nei)，高(gao)(gao)溫(wen)高(gao)(gao)壓(ya)的氣(qi)(qi)(qi)態(tai)制(zhi)(zhi)冷(leng)(leng)劑(ji)把熱(re)量(liang)(liang)傳遞給經(jing)(jing)過冷(leng)(leng)凝(ning)器(qi)的車(che)(che)(che)外(wai)(wai)(wai)(wai)(wai)空(kong)(kong)(kong)氣(qi)(qi)(qi)而(er)液(ye)化(hua)，變(bian)成液(ye)體。液(ye)態(tai)制(zhi)(zhi)冷(leng)(leng)劑(ji)流經(jing)(jing)節流裝置時(shi)，溫(wen)度和(he)(he)壓(ya)力降低(di)(di)，并進入蒸(zheng)(zheng)(zheng)發(fa)(fa)(fa)器(qi)。在(zai)蒸(zheng)(zheng)(zheng)發(fa)(fa)(fa)器(qi)內(nei)(nei)(nei)，低(di)(di)溫(wen)低(di)(di)壓(ya)的液(ye)態(tai)制(zhi)(zhi)冷(leng)(leng)劑(ji)吸(xi)收經(jing)(jing)過蒸(zheng)(zheng)(zheng)發(fa)(fa)(fa)器(qi)的車(che)(che)(che)內(nei)(nei)(nei)空(kong)(kong)(kong)氣(qi)(qi)(qi)的熱(re)量(liang)(liang)而(er)蒸(zheng)(zheng)(zheng)發(fa)(fa)(fa)，變(bian)成氣(qi)(qi)(qi)體。氣(qi)(qi)(qi)體又(you)被壓(ya)縮(suo)機(ji)(ji)吸(xi)入進行下一輪(lun)循(xun)(xun)(xun)環(huan)(huan)(huan)。這樣(yang)，通過制(zhi)(zhi)冷(leng)(leng)劑(ji)在(zai)系統內(nei)(nei)(nei)的循(xun)(xun)(xun)環(huan)(huan)(huan)，不斷吸(xi)收車(che)(che)(che)內(nei)(nei)(nei)空(kong)(kong)(kong)氣(qi)(qi)(qi)的熱(re)量(liang)(liang)并排到車(che)(che)(che)外(wai)(wai)(wai)(wai)(wai)空(kong)(kong)(kong)氣(qi)(qi)(qi)中，使(shi)車(che)(che)(che)內(nei)(nei)(nei)空(kong)(kong)(kong)氣(qi)(qi)(qi)的溫(wen)度逐漸下降。內(nei)(nei)(nei)循(xun)(xun)(xun)環(huan)(huan)(huan)可(ke)以(yi)提高(gao)(gao)空(kong)(kong)(kong)調(diao)效(xiao)(xiao)果(guo)，相當于(yu)把室內(nei)(nei)(nei)冷(leng)(leng)空(kong)(kong)(kong)氣(qi)(qi)(qi)再(zai)制(zhi)(zhi)冷(leng)(leng)，空(kong)(kong)(kong)調(diao)效(xiao)(xiao)果(guo)當然更好了。不過長時(shi)間使(shi)用(yong)內(nei)(nei)(nei)循(xun)(xun)(xun)環(huan)(huan)(huan)會使(shi)車(che)(che)(che)內(nei)(nei)(nei)的空(kong)(kong)(kong)氣(qi)(qi)(qi)質(zhi)量(liang)(liang)降低(di)(di)，可(ke)能(neng)讓(rang)人感覺(jue)頭昏腦漲。應(ying)當開一會兒(er)內(nei)(nei)(nei)循(xun)(xun)(xun)環(huan)(huan)(huan)就使(shi)用(yong)幾(ji)分鐘外(wai)(wai)(wai)(wai)(wai)循(xun)(xun)(xun)環(huan)(huan)(huan)，讓(rang)新鮮空(kong)(kong)(kong)氣(qi)(qi)(qi)進入車(che)(che)(che)內(nei)(nei)(nei)，改(gai)善空(kong)(kong)(kong)氣(qi)(qi)(qi)質(zhi)量(liang)(liang)。如果(guo)空(kong)(kong)(kong)調(diao)內(nei)(nei)(nei)外(wai)(wai)(wai)(wai)(wai)循(xun)(xun)(xun)環(huan)(huan)(huan)開關是(shi)機(ji)(ji)械式的撥(bo)桿(gan)而(er)非按鈕，可(ke)以(yi)把撥(bo)桿(gan)放在(zai)內(nei)(nei)(nei)外(wai)(wai)(wai)(wai)(wai)循(xun)(xun)(xun)環(huan)(huan)(huan)的中間，讓(rang)車(che)(che)(che)外(wai)(wai)(wai)(wai)(wai)空(kong)(kong)(kong)氣(qi)(qi)(qi)適量(liang)(liang)進入，既能(neng)提升空(kong)(kong)(kong)氣(qi)(qi)(qi)質(zhi)量(liang)(liang)，又(you)能(neng)提高(gao)(gao)空(kong)(kong)(kong)調(diao)效(xiao)(xiao)果(guo)。此外(wai)(wai)(wai)(wai)(wai)，在(zai)使(shi)用(yong)空(kong)(kong)(kong)調(diao)除霜(shuang)除霧時(shi)，要使(shi)用(yong)外(wai)(wai)(wai)(wai)(wai)循(xun)(xun)(xun)環(huan)(huan)(huan)才有效(xiao)(xiao)。