電(dian)(dian)子(zi)扇(shan)馬達電(dian)(dian)機(ji)電(dian)(dian)子(zi)風扇(shan)的工(gong)作原(yuan)理是汽(qi)車電(dian)(dian)子(zi)風扇(shan)由恒溫器(qi)(qi)控(kong)制。當水溫上升到(dao)上限(xian)時(shi),溫控(kong)器(qi)(qi)接通電(dian)(dian)源(yuan),風扇(shan)開始工(gong)作。當水溫降(jiang)至下限(xian)時(shi),溫控(kong)器(qi)(qi)關閉(bi)電(dian)(dian)源(yuan),風扇(shan)停止工(gong)作。功能是冷卻發(fa)動機(ji)水箱。
以下是(shi)電子風扇不轉的原因:
1。電機潤滑不良(liang),電風扇不轉,安裝扇葉(xie)后無法拖動電機;
2、電機過(guo)熱,電機過(guo)熱還會造成電機負載(zai)能力變(bian)差,電機有效功率變(bian)低,導致無法驅(qu)動(dong)負載(zai);
3.當啟動電容容量變(bian)(bian)小時,電容容量會變(bian)(bian)小,導(dao)致電機啟動轉矩變(bian)(bian)小,無法驅動負載;
4.電(dian)機(ji)使用時間過(guo)長。電(dian)風(feng)扇用久了,電(dian)機(ji)會磨(mo)損(sun),電(dian)機(ji)的軸(zhou)套也(ye)容易燒壞。如果長時間使用電(dian)機(ji),電(dian)機(ji)內阻(zu)也(ye)會增大,負(fu)載(zai)能(neng)力下降,導致無法帶動(dong)扇葉轉動(dong)。
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