汽車(che)空調的溫控開關原理:
1、溫(wen)控(kong)開(kai)(kai)關內部有(you)個雙金屬片,具(ju)有(you)不同的(de)(de)熱膨(peng)脹系數(shu),這(zhe)樣就(jiu)能在達到(dao)(dao)(dao)一(yi)定(ding)范(fan)圍的(de)(de)臨界點溫(wen)度時(shi)發生形(xing)變使觸(chu)點結合,達到(dao)(dao)(dao)通電的(de)(de)目的(de)(de),低于這(zhe)個溫(wen)度范(fan)圍后(hou)回復到(dao)(dao)(dao)起始位(wei)置,斷開(kai)(kai)線(xian)路。這(zhe)是機械式的(de)(de)。在溫(wen)控(kong)開(kai)(kai)關表面會標有(you)數(shu)值(zhi),例(li)如78或者83等(deng)等(deng)。
2、還有熱電(dian)偶式的(de),也就是不(bu)同的(de)溫(wen)度(du)有不(bu)同的(de)電(dian)阻,行車電(dian)腦獲取(qu)數據后作(zuo)出開啟或(huo)關閉的(de)指令。
3、溫(wen)控(kong)(kong)開(kai)關(guan)(guan)是(shi)控(kong)(kong)制風(feng)扇(shan)(shan)轉動的(de)當(dang)水(shui)溫(wen)88度左(zuo)右溫(wen)控(kong)(kong)開(kai)關(guan)(guan)控(kong)(kong)制風(feng)扇(shan)(shan)底(di)數(shu)轉100度以上風(feng)扇(shan)(shan)高(gao)速轉溫(wen)控(kong)(kong)開(kai)關(guan)(guan)一般安(an)裝在水(shui)箱上或水(shui)管到發動機缸蓋的(de)地方有3根線的(de)兩根線的(de)看車型(xing)不等。
4、 三條線的那一(yi)(yi)定是電子溫控才有,一(yi)(yi)條是開(kai)關(guan)那過來的負(fu)級 一(yi)(yi)條是接到干燥瓶那個保護空調系統的開(kai)關(guan) 還(huan)有一(yi)(yi)條是電源 。
汽(qi)(qi)(qi)車溫(wen)(wen)(wen)(wen)(wen)控(kong)(kong)開(kai)(kai)關(guan)(guan)在(zai)空(kong)調(diao)操作面板上(shang),溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)傳感器安裝在(zai)空(kong)調(diao)進風口位(wei)置。汽(qi)(qi)(qi)車上(shang)的(de)(de)(de)(de)(de)溫(wen)(wen)(wen)(wen)(wen)控(kong)(kong)開(kai)(kai)關(guan)(guan)是起溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)控(kong)(kong)制(zhi)的(de)(de)(de)(de)(de)作用,主(zhu)要是空(kong)調(diao)溫(wen)(wen)(wen)(wen)(wen)控(kong)(kong),其(qi)是控(kong)(kong)制(zhi)空(kong)調(diao)壓(ya)(ya)縮機的(de)(de)(de)(de)(de),當(dang)設置的(de)(de)(de)(de)(de)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)為25度(du)(du)(du)時(shi)車廂溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)達到(dao)了(le)25度(du)(du)(du)就會(hui)關(guan)(guan)停壓(ya)(ya)縮機,風扇(shan)(shan)還會(hui)運轉(zhuan)的(de)(de)(de)(de)(de),因此溫(wen)(wen)(wen)(wen)(wen)控(kong)(kong)開(kai)(kai)關(guan)(guan)是控(kong)(kong)制(zhi)空(kong)調(diao)壓(ya)(ya)縮機,而不(bu)是控(kong)(kong)制(zhi)風扇(shan)(shan)的(de)(de)(de)(de)(de)。汽(qi)(qi)(qi)車溫(wen)(wen)(wen)(wen)(wen)控(kong)(kong)開(kai)(kai)關(guan)(guan)壞(huai)了(le)的(de)(de)(de)(de)(de)表現:汽(qi)(qi)(qi)車在(zai)運行中冷卻系(xi)統溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)過(guo)高會(hui)出現水溫(wen)(wen)(wen)(wen)(wen)表指針指向紅(hong)線,水溫(wen)(wen)(wen)(wen)(wen)警示(shi)燈閃亮,甚至沸騰;發(fa)動機在(zai)加(jia)速(su)時(shi)伴隨有明顯的(de)(de)(de)(de)(de)金屬敲擊聲(sheng),同(tong)時(shi)有動力(li)不(bu)足、水溫(wen)(wen)(wen)(wen)(wen)警示(shi)燈閃爍、難以(yi)熄火等(deng)現象。
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