電(dian)子扇馬(ma)達電(dian)機(ji)電(dian)子風扇的(de)工作原(yuan)理是汽車電(dian)子風扇由恒溫(wen)器(qi)控制。當(dang)水(shui)(shui)溫(wen)上升到上限時,溫(wen)控器(qi)接通(tong)電(dian)源,風扇開始工作。當(dang)水(shui)(shui)溫(wen)降至下限時,溫(wen)控器(qi)關閉電(dian)源,風扇停止工作。功能是冷卻發(fa)動機(ji)水(shui)(shui)箱。
以下是電子(zi)風扇不轉的原因(yin):
1。電機(ji)潤(run)滑不(bu)良,電風扇不(bu)轉,安裝扇葉后無法拖動電機(ji);
2、電(dian)(dian)機過(guo)熱,電(dian)(dian)機過(guo)熱還(huan)會造成電(dian)(dian)機負載能力變差(cha),電(dian)(dian)機有效功率變低,導致無(wu)法驅動負載;
3.當啟(qi)動(dong)(dong)電容(rong)(rong)容(rong)(rong)量(liang)變(bian)小時,電容(rong)(rong)容(rong)(rong)量(liang)會變(bian)小,導致電機啟(qi)動(dong)(dong)轉矩變(bian)小,無(wu)法驅動(dong)(dong)負載;
4.電(dian)(dian)機使(shi)用(yong)時(shi)間過長。電(dian)(dian)風扇用(yong)久(jiu)了,電(dian)(dian)機會磨損,電(dian)(dian)機的軸套(tao)也容易燒(shao)壞。如果長時(shi)間使(shi)用(yong)電(dian)(dian)機,電(dian)(dian)機內阻也會增大,負載能(neng)力下降,導致無法帶動扇葉轉動。
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