電(dian)子扇(shan)馬(ma)達(da)電(dian)機(ji)電(dian)子風(feng)扇(shan)的工(gong)作原理是(shi)(shi)汽車電(dian)子風(feng)扇(shan)由(you)恒溫(wen)器(qi)(qi)控(kong)制。當水(shui)溫(wen)上(shang)升到上(shang)限(xian)時,溫(wen)控(kong)器(qi)(qi)接通電(dian)源,風(feng)扇(shan)開(kai)始工(gong)作。當水(shui)溫(wen)降至下限(xian)時,溫(wen)控(kong)器(qi)(qi)關閉電(dian)源,風(feng)扇(shan)停止工(gong)作。功能是(shi)(shi)冷卻發動機(ji)水(shui)箱(xiang)。
以下是電(dian)子(zi)風扇不轉(zhuan)的原因:
1。電機潤滑不(bu)良,電風(feng)扇(shan)不(bu)轉(zhuan),安裝扇(shan)葉后無法拖動電機;
2、電(dian)機過熱(re),電(dian)機過熱(re)還會(hui)造成電(dian)機負載能力變差,電(dian)機有效功率變低,導致無法驅動負載;
3.當(dang)啟(qi)動(dong)(dong)電容容量(liang)變(bian)小時(shi),電容容量(liang)會(hui)變(bian)小,導致電機啟(qi)動(dong)(dong)轉(zhuan)矩變(bian)小,無法驅動(dong)(dong)負載;
4.電(dian)(dian)(dian)機(ji)(ji)使用時(shi)間過長。電(dian)(dian)(dian)風(feng)扇用久了,電(dian)(dian)(dian)機(ji)(ji)會磨損,電(dian)(dian)(dian)機(ji)(ji)的軸(zhou)套(tao)也(ye)容易燒壞。如果長時(shi)間使用電(dian)(dian)(dian)機(ji)(ji),電(dian)(dian)(dian)機(ji)(ji)內阻也(ye)會增大,負載(zai)能力下降,導致無法(fa)帶動扇葉轉動。
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