電(dian)子扇(shan)馬達電(dian)機(ji)電(dian)子風扇(shan)的工作原理是(shi)汽車電(dian)子風扇(shan)由恒溫(wen)器控制。當(dang)水(shui)(shui)溫(wen)上升到(dao)上限時,溫(wen)控器接通(tong)電(dian)源(yuan),風扇(shan)開(kai)始工作。當(dang)水(shui)(shui)溫(wen)降(jiang)至下限時,溫(wen)控器關閉電(dian)源(yuan),風扇(shan)停止工作。功能(neng)是(shi)冷卻發動機(ji)水(shui)(shui)箱。
以下是電子(zi)風扇不轉的原(yuan)因:
1。電機潤滑不(bu)良,電風扇(shan)不(bu)轉,安裝扇(shan)葉后無法拖動電機;
2、電(dian)機(ji)過(guo)熱,電(dian)機(ji)過(guo)熱還會(hui)造成電(dian)機(ji)負(fu)載(zai)能(neng)力變差,電(dian)機(ji)有效功率變低,導(dao)致無(wu)法驅動(dong)負(fu)載(zai);
3.當啟(qi)動(dong)電(dian)容容量(liang)變小時,電(dian)容容量(liang)會變小,導(dao)致電(dian)機啟(qi)動(dong)轉矩變小,無法驅動(dong)負(fu)載;
4.電(dian)(dian)(dian)(dian)機(ji)使用(yong)時(shi)間(jian)過(guo)長。電(dian)(dian)(dian)(dian)風扇用(yong)久了(le),電(dian)(dian)(dian)(dian)機(ji)會磨損,電(dian)(dian)(dian)(dian)機(ji)的軸套也(ye)容易燒(shao)壞。如果長時(shi)間(jian)使用(yong)電(dian)(dian)(dian)(dian)機(ji),電(dian)(dian)(dian)(dian)機(ji)內阻(zu)也(ye)會增大,負載能力下降(jiang),導(dao)致無(wu)法(fa)帶動扇葉轉動。
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