空(kong)(kong)調(diao)(diao)低(di)(di)壓(ya)管(guan)(guan)(guan)。空(kong)(kong)調(diao)(diao)的(de)(de)(de)(de)(de)工(gong)作原(yuan)理是(shi)(shi):通(tong)過制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)劑(ji)在液(ye)(ye)態(tai)(tai)(tai)和氣(qi)(qi)態(tai)(tai)(tai)兩種狀(zhuang)態(tai)(tai)(tai)下(xia)不(bu)斷地轉換實現制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)的(de)(de)(de)(de)(de)目的(de)(de)(de)(de)(de)。制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)劑(ji)在常(chang)溫(wen)(wen)和正常(chang)氣(qi)(qi)壓(ya)下(xia)是(shi)(shi)以氣(qi)(qi)態(tai)(tai)(tai)形式存(cun)在,要(yao)(yao)把氣(qi)(qi)態(tai)(tai)(tai)的(de)(de)(de)(de)(de)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)劑(ji)轉變(bian)為液(ye)(ye)態(tai)(tai)(tai)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)劑(ji)就(jiu)(jiu)需(xu)(xu)要(yao)(yao)通(tong)過壓(ya)縮機(ji)對氣(qi)(qi)態(tai)(tai)(tai)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)劑(ji)進(jin)行(xing)(xing)加壓(ya)使(shi)之成(cheng)為液(ye)(ye)態(tai)(tai)(tai)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)劑(ji),液(ye)(ye)態(tai)(tai)(tai)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)劑(ji)通(tong)過高壓(ya)管(guan)(guan)(guan)(細管(guan)(guan)(guan))流向駕(jia)(jia)(jia)(jia)駛(shi)室(shi)內的(de)(de)(de)(de)(de)膨(peng)脹閥。而駕(jia)(jia)(jia)(jia)駛(shi)室(shi)內空(kong)(kong)調(diao)(diao)蒸發器的(de)(de)(de)(de)(de)管(guan)(guan)(guan)路直徑變(bian)粗(cu),這(zhe)時進(jin)入蒸發器的(de)(de)(de)(de)(de)液(ye)(ye)態(tai)(tai)(tai)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)劑(ji)迅(xun)速(su)膨(peng)脹并逐(zhu)步氣(qi)(qi)化,在這(zhe)一(yi)轉換過程(cheng)(cheng)中制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)劑(ji)需(xu)(xu)要(yao)(yao)吸(xi)(xi)收大量的(de)(de)(de)(de)(de)熱能(neng)(neng),而這(zhe)個(ge)熱能(neng)(neng)就(jiu)(jiu)是(shi)(shi)來自被吸(xi)(xi)入駕(jia)(jia)(jia)(jia)駛(shi)室(shi)的(de)(de)(de)(de)(de)空(kong)(kong)氣(qi)(qi)熱量,被吸(xi)(xi)收熱能(neng)(neng)的(de)(de)(de)(de)(de)空(kong)(kong)氣(qi)(qi)溫(wen)(wen)度降低(di)(di)后,又被駕(jia)(jia)(jia)(jia)駛(shi)室(shi)內的(de)(de)(de)(de)(de)風扇(shan)吹回駕(jia)(jia)(jia)(jia)駛(shi)室(shi),駕(jia)(jia)(jia)(jia)駛(shi)室(shi)內的(de)(de)(de)(de)(de)空(kong)(kong)氣(qi)(qi)在不(bu)斷地經過室(shi)內機(ji)進(jin)行(xing)(xing)循(xun)環,不(bu)斷地不(bu)吸(xi)(xi)收熱能(neng)(neng)使(shi)得駕(jia)(jia)(jia)(jia)駛(shi)室(shi)內的(de)(de)(de)(de)(de)溫(wen)(wen)度逐(zhu)漸的(de)(de)(de)(de)(de)降低(di)(di)。同(tong)時已經氣(qi)(qi)化的(de)(de)(de)(de)(de)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)劑(ji)通(tong)過低(di)(di)壓(ya)管(guan)(guan)(guan)(粗(cu)管(guan)(guan)(guan))被壓(ya)縮機(ji)再(zai)吸(xi)(xi)入到(dao)壓(ya)縮機(ji)進(jin)行(xing)(xing)壓(ya)縮,在壓(ya)縮的(de)(de)(de)(de)(de)過程(cheng)(cheng)中釋放出熱能(neng)(neng),形成(cheng)液(ye)(ye)態(tai)(tai)(tai)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)劑(ji)。循(xun)環往復就(jiu)(jiu)是(shi)(shi)汽車空(kong)(kong)調(diao)(diao)的(de)(de)(de)(de)(de)工(gong)作原(yuan)理和為什么要(yao)(yao)有高壓(ya)管(guan)(guan)(guan)和低(di)(di)壓(ya)管(guan)(guan)(guan)的(de)(de)(de)(de)(de)原(yuan)因。
1,包裹低壓管是否有效果?
汽車空調的低壓管只是起一個輸送氣化后的冷媒的作用,對整個系統的冷卻作用很小,注意是很小,不是沒有,效果肯定是有的,因為最起碼可以把輸送回去的氣體溫度降低,從而起到降低壓縮機負擔(壓縮機壓縮這些氣體是要放出大量的熱的,大量的熱要通過冷凝器散發出去,當然是進氣的溫度越低越好)的作用。結論是有用,但作用不大。
2,是否對壓縮機有損害?
這個如果看紅色文字的描述,確實有點可怕,但是實際情況是不會輕易發生液擊的,我們知道,保溫無非就是起一個降低或者說減少周邊包括發動機熱量對低壓管內氣體的加熱的作用,進入低壓管的冷媒都是氣體,一般不會有液態的冷媒流過的,但是,在特殊情況下,包裹低壓管可能會對壓縮機產生影響,主要是,冷媒過多的情況下,整個空調系統壓力過大的情況。
3.汽車空調低壓的作用是檢測系統壓力是否正常,在壓力超出允許范圍時,壓力開關動作,并將異常信號傳給CPU,CPU處理后會停止制冷系統的工作,并將故障顯示出來。
做為SUV車(che)(che)(che)型,馳鵬的(de)(de)(de)外觀看(kan)上去并不屬于(yu)很(hen)(hen)野的(de)(de)(de)那種,沒有(you)(you)很(hen)(hen)高(gao)的(de)(de)(de)車(che)(che)(che)身,也沒有(you)(you)表面(mian)看(kan)上去囂張的(de)(de)(de)長行程懸掛,它所(suo)傳達出(chu)的(de)(de)(de)柔和感(gan)帶仿佛就是(shi)一款(kuan)運動感(gan)很(hen)(hen)強的(de)(de)(de)MPV車(che)(che)(che)型;不過再看(kan)看(kan)那張有(you)(you)些兇(xiong)悍的(de)(de)(de)前臉和兩出(chu)排氣(qi)管還(huan)是(shi)能(neng)夠感(gan)受到馳鵬骨子(zi)里應有(you)(you)的(de)(de)(de)霸氣(qi)。
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