空(kong)調(diao)低壓(ya)(ya)管(guan)(guan)(guan)。空(kong)調(diao)的(de)(de)(de)(de)工作原理是(shi)(shi):通(tong)(tong)過制(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)劑(ji)(ji)(ji)(ji)在(zai)液(ye)態(tai)和(he)氣(qi)(qi)(qi)(qi)態(tai)兩(liang)種狀態(tai)下不(bu)斷(duan)地轉換實現制(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)的(de)(de)(de)(de)目的(de)(de)(de)(de)。制(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)劑(ji)(ji)(ji)(ji)在(zai)常溫(wen)(wen)和(he)正常氣(qi)(qi)(qi)(qi)壓(ya)(ya)下是(shi)(shi)以氣(qi)(qi)(qi)(qi)態(tai)形(xing)式存(cun)在(zai),要(yao)把(ba)氣(qi)(qi)(qi)(qi)態(tai)的(de)(de)(de)(de)制(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)劑(ji)(ji)(ji)(ji)轉變為液(ye)態(tai)制(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)劑(ji)(ji)(ji)(ji)就需(xu)要(yao)通(tong)(tong)過壓(ya)(ya)縮(suo)(suo)機對氣(qi)(qi)(qi)(qi)態(tai)制(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)劑(ji)(ji)(ji)(ji)進(jin)行(xing)加(jia)壓(ya)(ya)使(shi)之成為液(ye)態(tai)制(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)劑(ji)(ji)(ji)(ji),液(ye)態(tai)制(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)劑(ji)(ji)(ji)(ji)通(tong)(tong)過高壓(ya)(ya)管(guan)(guan)(guan)(細管(guan)(guan)(guan))流(liu)向駕(jia)駛(shi)(shi)(shi)室(shi)內(nei)的(de)(de)(de)(de)膨脹閥。而駕(jia)駛(shi)(shi)(shi)室(shi)內(nei)空(kong)調(diao)蒸發(fa)器(qi)的(de)(de)(de)(de)管(guan)(guan)(guan)路直(zhi)徑(jing)變粗(cu),這(zhe)時進(jin)入(ru)蒸發(fa)器(qi)的(de)(de)(de)(de)液(ye)態(tai)制(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)劑(ji)(ji)(ji)(ji)迅(xun)速(su)膨脹并逐(zhu)步氣(qi)(qi)(qi)(qi)化,在(zai)這(zhe)一轉換過程中制(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)劑(ji)(ji)(ji)(ji)需(xu)要(yao)吸收(shou)大量的(de)(de)(de)(de)熱能(neng)(neng),而這(zhe)個熱能(neng)(neng)就是(shi)(shi)來自(zi)被吸入(ru)駕(jia)駛(shi)(shi)(shi)室(shi)的(de)(de)(de)(de)空(kong)氣(qi)(qi)(qi)(qi)熱量,被吸收(shou)熱能(neng)(neng)的(de)(de)(de)(de)空(kong)氣(qi)(qi)(qi)(qi)溫(wen)(wen)度降(jiang)低后,又(you)被駕(jia)駛(shi)(shi)(shi)室(shi)內(nei)的(de)(de)(de)(de)風扇吹回(hui)駕(jia)駛(shi)(shi)(shi)室(shi),駕(jia)駛(shi)(shi)(shi)室(shi)內(nei)的(de)(de)(de)(de)空(kong)氣(qi)(qi)(qi)(qi)在(zai)不(bu)斷(duan)地經過室(shi)內(nei)機進(jin)行(xing)循環,不(bu)斷(duan)地不(bu)吸收(shou)熱能(neng)(neng)使(shi)得駕(jia)駛(shi)(shi)(shi)室(shi)內(nei)的(de)(de)(de)(de)溫(wen)(wen)度逐(zhu)漸(jian)的(de)(de)(de)(de)降(jiang)低。同時已經氣(qi)(qi)(qi)(qi)化的(de)(de)(de)(de)制(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)劑(ji)(ji)(ji)(ji)通(tong)(tong)過低壓(ya)(ya)管(guan)(guan)(guan)(粗(cu)管(guan)(guan)(guan))被壓(ya)(ya)縮(suo)(suo)機再吸入(ru)到壓(ya)(ya)縮(suo)(suo)機進(jin)行(xing)壓(ya)(ya)縮(suo)(suo),在(zai)壓(ya)(ya)縮(suo)(suo)的(de)(de)(de)(de)過程中釋放出(chu)熱能(neng)(neng),形(xing)成液(ye)態(tai)制(zhi)(zhi)冷(leng)(leng)(leng)(leng)(leng)(leng)(leng)劑(ji)(ji)(ji)(ji)。循環往復就是(shi)(shi)汽車空(kong)調(diao)的(de)(de)(de)(de)工作原理和(he)為什么要(yao)有(you)高壓(ya)(ya)管(guan)(guan)(guan)和(he)低壓(ya)(ya)管(guan)(guan)(guan)的(de)(de)(de)(de)原因。
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。
奧迪 A4L是(shi)(shi)由一汽大眾公司制(zhi)造并(bing)于2003年4月上市(shi)的(de)一款熱門B級車(che)(che)型,做為率先(xian)引入長軸(zhou)距和(he)(he)(he)渦輪概念的(de)車(che)(che)型,從B5到B8,A4L的(de)銷量(liang)(liang)一直經久(jiu)不(bu)衰。新款A4L舍棄了淚眼設計(ji),增(zeng)加了quattro四(si)驅模式,外形更(geng)加時尚運動,動力和(he)(he)(he)操控性(xing)(xing)更(geng)加出眾。車(che)(che)型內飾做工精致,科技(ji)配(pei)置(zhi)豐(feng)富,空間充裕(yu),在B級車(che)(che)型中擁有(you)較(jiao)好的(de)實用(yong)性(xing)(xing)。一汽奧迪A4分(fen)三(san)(san)個排量(liang)(liang)進行銷售,分(fen)別是(shi)(shi)1.8T、2.4和(he)(he)(he)3.0。其中1.8T分(fen)為側影四(si)款,有(you)手動基本型、自動基本型、舒(shu)適(shi)型和(he)(he)(he)技(ji)術領先(xian)型。2.4排量(liang)(liang)分(fen)為三(san)(san)款,有(you)舒(shu)適(shi)型、舒(shu)適(shi)運動型和(he)(he)(he)舒(shu)適(shi)尊享型。而(er)3.0排量(liang)(liang)只(zhi)有(you)一款,并(bing)且加裝了quattro全(quan)時四(si)驅系統。
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