電(dian)(dian)子扇馬(ma)達電(dian)(dian)機電(dian)(dian)子風(feng)(feng)扇的工(gong)作(zuo)(zuo)(zuo)原理(li)是(shi)汽車電(dian)(dian)子風(feng)(feng)扇由恒溫(wen)(wen)器控(kong)制。當水(shui)溫(wen)(wen)上升到上限(xian)時,溫(wen)(wen)控(kong)器接通(tong)電(dian)(dian)源,風(feng)(feng)扇開(kai)始工(gong)作(zuo)(zuo)(zuo)。當水(shui)溫(wen)(wen)降至下(xia)限(xian)時,溫(wen)(wen)控(kong)器關閉(bi)電(dian)(dian)源,風(feng)(feng)扇停止工(gong)作(zuo)(zuo)(zuo)。功能是(shi)冷卻發動(dong)機水(shui)箱。
以下是電子風扇不轉的原因:
1。電機潤(run)滑不良(liang),電風扇不轉,安裝扇葉后(hou)無法拖(tuo)動電機;
2、電機(ji)(ji)過(guo)熱(re),電機(ji)(ji)過(guo)熱(re)還會造成電機(ji)(ji)負載(zai)能力變差(cha),電機(ji)(ji)有效功率變低,導致無法驅動(dong)負載(zai);
3.當啟(qi)動(dong)(dong)電容(rong)容(rong)量變小(xiao)時,電容(rong)容(rong)量會(hui)變小(xiao),導(dao)致電機(ji)啟(qi)動(dong)(dong)轉矩變小(xiao),無法驅動(dong)(dong)負載(zai);
4.電(dian)機使用時間過長。電(dian)風扇用久了(le),電(dian)機會磨損,電(dian)機的軸(zhou)套(tao)也容(rong)易燒壞。如果長時間使用電(dian)機,電(dian)機內(nei)阻也會增大,負載(zai)能力下(xia)降,導致無法帶動(dong)(dong)扇葉轉動(dong)(dong)。
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