汽車空(kong)調的溫控開關原(yuan)理:
1、溫(wen)控(kong)開關(guan)內部(bu)有個雙金屬片,具有不同的(de)熱(re)膨脹(zhang)系數(shu)(shu),這(zhe)樣就能在(zai)達到(dao)(dao)一(yi)定范圍的(de)臨(lin)界點溫(wen)度(du)時發生形變使(shi)觸點結合,達到(dao)(dao)通電的(de)目的(de),低于這(zhe)個溫(wen)度(du)范圍后(hou)回復(fu)到(dao)(dao)起(qi)始(shi)位(wei)置,斷開線路。這(zhe)是機械式(shi)的(de)。在(zai)溫(wen)控(kong)開關(guan)表面會標有數(shu)(shu)值,例如(ru)78或者83等等。
2、還有熱(re)電偶式的(de),也就是不同(tong)(tong)的(de)溫度有不同(tong)(tong)的(de)電阻,行車電腦(nao)獲取數據后作出開啟或(huo)關閉的(de)指令。
3、溫(wen)控(kong)開關是(shi)控(kong)制風(feng)扇轉(zhuan)(zhuan)動(dong)的(de)當水(shui)(shui)溫(wen)88度(du)左右溫(wen)控(kong)開關控(kong)制風(feng)扇底數轉(zhuan)(zhuan)100度(du)以(yi)上風(feng)扇高速轉(zhuan)(zhuan)溫(wen)控(kong)開關一般(ban)安裝(zhuang)在水(shui)(shui)箱上或水(shui)(shui)管到發動(dong)機(ji)缸蓋的(de)地方(fang)有(you)3根線(xian)的(de)兩(liang)根線(xian)的(de)看車型不等(deng)。
4、 三條(tiao)線的(de)(de)那(nei)一(yi)定是(shi)(shi)電(dian)子溫控才有,一(yi)條(tiao)是(shi)(shi)開(kai)關(guan)那(nei)過(guo)來的(de)(de)負級 一(yi)條(tiao)是(shi)(shi)接到干燥瓶那(nei)個保護空調系統的(de)(de)開(kai)關(guan) 還有一(yi)條(tiao)是(shi)(shi)電(dian)源 。
汽(qi)(qi)車(che)(che)溫(wen)(wen)(wen)(wen)控(kong)(kong)(kong)開(kai)(kai)關在空調操作面(mian)板(ban)上,溫(wen)(wen)(wen)(wen)度(du)(du)(du)傳感器安裝在空調進(jin)風口(kou)位置(zhi)。汽(qi)(qi)車(che)(che)上的(de)溫(wen)(wen)(wen)(wen)控(kong)(kong)(kong)開(kai)(kai)關是(shi)(shi)起溫(wen)(wen)(wen)(wen)度(du)(du)(du)控(kong)(kong)(kong)制(zhi)的(de)作用,主(zhu)要是(shi)(shi)空調溫(wen)(wen)(wen)(wen)控(kong)(kong)(kong),其是(shi)(shi)控(kong)(kong)(kong)制(zhi)空調壓(ya)縮機的(de),當設置(zhi)的(de)溫(wen)(wen)(wen)(wen)度(du)(du)(du)為(wei)25度(du)(du)(du)時(shi)車(che)(che)廂溫(wen)(wen)(wen)(wen)度(du)(du)(du)達(da)到了25度(du)(du)(du)就(jiu)會(hui)關停壓(ya)縮機,風扇還會(hui)運轉的(de),因此溫(wen)(wen)(wen)(wen)控(kong)(kong)(kong)開(kai)(kai)關是(shi)(shi)控(kong)(kong)(kong)制(zhi)空調壓(ya)縮機,而不是(shi)(shi)控(kong)(kong)(kong)制(zhi)風扇的(de)。汽(qi)(qi)車(che)(che)溫(wen)(wen)(wen)(wen)控(kong)(kong)(kong)開(kai)(kai)關壞了的(de)表(biao)現:汽(qi)(qi)車(che)(che)在運行(xing)中冷卻系統溫(wen)(wen)(wen)(wen)度(du)(du)(du)過高會(hui)出現水(shui)溫(wen)(wen)(wen)(wen)表(biao)指針指向紅線(xian),水(shui)溫(wen)(wen)(wen)(wen)警(jing)示燈閃亮(liang),甚至沸騰(teng);發動機在加速(su)時(shi)伴隨有(you)明顯的(de)金屬敲擊聲(sheng),同時(shi)有(you)動力(li)不足、水(shui)溫(wen)(wen)(wen)(wen)警(jing)示燈閃爍、難以(yi)熄火等現象。
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