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電(dian)(dian)子(zi)扇馬達電(dian)(dian)機電(dian)(dian)子(zi)風扇的(de)工(gong)作(zuo)(zuo)原理是(shi)(shi)汽車電(dian)(dian)子(zi)風扇由恒溫(wen)器控(kong)制。當水溫(wen)上升到上限(xian)時，溫(wen)控(kong)器接通電(dian)(dian)源(yuan)(yuan)，風扇開始(shi)工(gong)作(zuo)(zuo)。當水溫(wen)降至下限(xian)時，溫(wen)控(kong)器關閉電(dian)(dian)源(yuan)(yuan)，風扇停止(zhi)工(gong)作(zuo)(zuo)。功(gong)能是(shi)(shi)冷卻發動機水箱(xiang)。
以下是電子風扇不(bu)轉的原因(yin):
1。電機(ji)潤滑(hua)不良(liang)，電風扇(shan)不轉，安裝扇(shan)葉后無法拖動電機(ji)；
2、電(dian)(dian)(dian)(dian)機過熱，電(dian)(dian)(dian)(dian)機過熱還(huan)會造(zao)成電(dian)(dian)(dian)(dian)機負載(zai)能力變差，電(dian)(dian)(dian)(dian)機有效功率變低，導(dao)致無(wu)法(fa)驅動負載(zai)；
3.當啟動(dong)(dong)(dong)電容(rong)容(rong)量變小時，電容(rong)容(rong)量會變小，導(dao)致(zhi)電機啟動(dong)(dong)(dong)轉矩變小，無法(fa)驅(qu)動(dong)(dong)(dong)負載；
4.電(dian)機(ji)使(shi)用(yong)(yong)時間過長。電(dian)風扇用(yong)(yong)久了，電(dian)機(ji)會磨損，電(dian)機(ji)的軸套也容易燒(shao)壞(huai)。如果長時間使(shi)用(yong)(yong)電(dian)機(ji)，電(dian)機(ji)內阻也會增大，負(fu)載能力下降，導致無法帶動扇葉轉動。
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