電(dian)(dian)子扇(shan)馬達電(dian)(dian)機(ji)電(dian)(dian)子風扇(shan)的工作(zuo)原理是汽車電(dian)(dian)子風扇(shan)由恒溫(wen)器控制(zhi)。當水(shui)溫(wen)上升到上限時,溫(wen)控器接通電(dian)(dian)源,風扇(shan)開始工作(zuo)。當水(shui)溫(wen)降(jiang)至下限時,溫(wen)控器關(guan)閉電(dian)(dian)源,風扇(shan)停止工作(zuo)。功能(neng)是冷(leng)卻發(fa)動機(ji)水(shui)箱。
以(yi)下是電子風扇不(bu)轉的原因:
1。電(dian)機(ji)潤滑不良,電(dian)風扇不轉,安裝扇葉(xie)后(hou)無(wu)法(fa)拖動(dong)電(dian)機(ji);
2、電(dian)機(ji)過熱,電(dian)機(ji)過熱還(huan)會(hui)造成電(dian)機(ji)負載(zai)能力變(bian)差,電(dian)機(ji)有效功率變(bian)低,導致無法驅動負載(zai);
3.當啟(qi)動(dong)電容(rong)容(rong)量變小時,電容(rong)容(rong)量會變小,導致電機啟(qi)動(dong)轉矩變小,無法驅動(dong)負載(zai);
4.電(dian)機(ji)(ji)(ji)使用時(shi)間(jian)過長。電(dian)風扇用久了(le),電(dian)機(ji)(ji)(ji)會(hui)(hui)磨損,電(dian)機(ji)(ji)(ji)的軸套也(ye)容易燒(shao)壞。如(ru)果長時(shi)間(jian)使用電(dian)機(ji)(ji)(ji),電(dian)機(ji)(ji)(ji)內阻也(ye)會(hui)(hui)增大(da),負載能力下降,導致無(wu)法帶(dai)動(dong)扇葉轉動(dong)。
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