汽車(che)空調的溫控開關原(yuan)理:
1、溫(wen)(wen)控開關內部有個(ge)雙金屬片,具有不同的(de)熱(re)膨(peng)脹系數,這樣就能在達到一定范圍(wei)(wei)的(de)臨界點溫(wen)(wen)度時發生形變使觸點結合,達到通電的(de)目(mu)的(de),低于這個(ge)溫(wen)(wen)度范圍(wei)(wei)后回復到起(qi)始位置(zhi),斷開線路。這是(shi)機(ji)械式(shi)的(de)。在溫(wen)(wen)控開關表(biao)面會標(biao)有數值,例如(ru)78或者83等等。
2、還有(you)熱電(dian)偶式(shi)的,也就(jiu)是不(bu)同的溫(wen)度(du)有(you)不(bu)同的電(dian)阻(zu),行車(che)電(dian)腦獲取數據后作出開啟或關閉(bi)的指令。
3、溫控(kong)(kong)開(kai)(kai)關(guan)是控(kong)(kong)制風(feng)扇轉動(dong)(dong)的當(dang)水溫88度(du)左(zuo)右溫控(kong)(kong)開(kai)(kai)關(guan)控(kong)(kong)制風(feng)扇底數轉100度(du)以上(shang)風(feng)扇高速轉溫控(kong)(kong)開(kai)(kai)關(guan)一般安(an)裝在水箱上(shang)或(huo)水管到(dao)發動(dong)(dong)機缸蓋的地方有3根(gen)線(xian)的兩根(gen)線(xian)的看車型(xing)不等(deng)。
4、 三條線的(de)那(nei)一(yi)定是電子溫控才有,一(yi)條是開關(guan)那(nei)過來的(de)負級 一(yi)條是接到干燥瓶那(nei)個(ge)保護(hu)空調系統的(de)開關(guan) 還有一(yi)條是電源 。
汽車(che)溫(wen)(wen)(wen)(wen)(wen)控(kong)開關(guan)(guan)在(zai)空(kong)調(diao)(diao)操(cao)作面(mian)板上,溫(wen)(wen)(wen)(wen)(wen)度傳感器(qi)安裝在(zai)空(kong)調(diao)(diao)進風(feng)口位置。汽車(che)上的(de)(de)(de)(de)溫(wen)(wen)(wen)(wen)(wen)控(kong)開關(guan)(guan)是(shi)起溫(wen)(wen)(wen)(wen)(wen)度控(kong)制(zhi)的(de)(de)(de)(de)作用,主要是(shi)空(kong)調(diao)(diao)溫(wen)(wen)(wen)(wen)(wen)控(kong),其(qi)是(shi)控(kong)制(zhi)空(kong)調(diao)(diao)壓(ya)縮機的(de)(de)(de)(de),當(dang)設置的(de)(de)(de)(de)溫(wen)(wen)(wen)(wen)(wen)度為25度時車(che)廂溫(wen)(wen)(wen)(wen)(wen)度達到了25度就會(hui)關(guan)(guan)停壓(ya)縮機,風(feng)扇(shan)還會(hui)運轉(zhuan)的(de)(de)(de)(de),因(yin)此溫(wen)(wen)(wen)(wen)(wen)控(kong)開關(guan)(guan)是(shi)控(kong)制(zhi)空(kong)調(diao)(diao)壓(ya)縮機,而(er)不是(shi)控(kong)制(zhi)風(feng)扇(shan)的(de)(de)(de)(de)。汽車(che)溫(wen)(wen)(wen)(wen)(wen)控(kong)開關(guan)(guan)壞了的(de)(de)(de)(de)表(biao)現(xian)(xian):汽車(che)在(zai)運行中冷卻系(xi)統溫(wen)(wen)(wen)(wen)(wen)度過高會(hui)出現(xian)(xian)水溫(wen)(wen)(wen)(wen)(wen)表(biao)指針指向紅線,水溫(wen)(wen)(wen)(wen)(wen)警(jing)示(shi)燈閃(shan)亮,甚至沸騰;發(fa)動機在(zai)加速時伴隨有(you)明(ming)顯的(de)(de)(de)(de)金屬敲擊聲,同(tong)時有(you)動力不足、水溫(wen)(wen)(wen)(wen)(wen)警(jing)示(shi)燈閃(shan)爍、難以熄(xi)火等現(xian)(xian)象。
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