電(dian)子扇(shan)馬達電(dian)機(ji)(ji)電(dian)子風扇(shan)的工作原理是汽車電(dian)子風扇(shan)由(you)恒溫器控(kong)(kong)制。當水(shui)(shui)溫上升到上限時,溫控(kong)(kong)器接通電(dian)源,風扇(shan)開始工作。當水(shui)(shui)溫降至下限時,溫控(kong)(kong)器關閉電(dian)源,風扇(shan)停止工作。功能是冷卻發動機(ji)(ji)水(shui)(shui)箱。
以下是電子(zi)風扇不轉的(de)原因:
1。電機潤滑(hua)不良,電風扇不轉,安(an)裝(zhuang)扇葉后無法拖動電機;
2、電(dian)(dian)機(ji)(ji)(ji)過熱,電(dian)(dian)機(ji)(ji)(ji)過熱還(huan)會造成(cheng)電(dian)(dian)機(ji)(ji)(ji)負載能力變差,電(dian)(dian)機(ji)(ji)(ji)有效(xiao)功率變低,導致無法(fa)驅動負載;
3.當啟動電容容量變(bian)小(xiao)時(shi),電容容量會變(bian)小(xiao),導(dao)致電機(ji)啟動轉(zhuan)矩變(bian)小(xiao),無法驅動負(fu)載;
4.電(dian)機(ji)使(shi)用時間過長。電(dian)風扇(shan)用久了,電(dian)機(ji)會磨損,電(dian)機(ji)的軸套也容(rong)易燒壞(huai)。如果長時間使(shi)用電(dian)機(ji),電(dian)機(ji)內阻也會增大,負載能(neng)力(li)下降,導致無法帶動扇(shan)葉轉動。
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