電(dian)子(zi)(zi)扇(shan)馬達(da)電(dian)機電(dian)子(zi)(zi)風(feng)扇(shan)的工(gong)作(zuo)原理是(shi)汽車電(dian)子(zi)(zi)風(feng)扇(shan)由恒溫器控制。當(dang)(dang)水溫上升到上限時,溫控器接(jie)通(tong)電(dian)源(yuan),風(feng)扇(shan)開始工(gong)作(zuo)。當(dang)(dang)水溫降(jiang)至下限時,溫控器關閉(bi)電(dian)源(yuan),風(feng)扇(shan)停止工(gong)作(zuo)。功(gong)能(neng)是(shi)冷(leng)卻發動機水箱(xiang)。
以下是電子風(feng)扇不轉的原(yuan)因:
1。電(dian)機潤滑不(bu)良,電(dian)風扇(shan)不(bu)轉,安裝(zhuang)扇(shan)葉(xie)后(hou)無法拖動電(dian)機;
2、電(dian)機(ji)過熱(re),電(dian)機(ji)過熱(re)還會造成電(dian)機(ji)負載能力變(bian)差,電(dian)機(ji)有效功率變(bian)低,導致無(wu)法驅動負載;
3.當啟動(dong)電(dian)容容量變小(xiao)(xiao)時,電(dian)容容量會變小(xiao)(xiao),導致電(dian)機(ji)啟動(dong)轉(zhuan)矩變小(xiao)(xiao),無法驅動(dong)負載;
4.電(dian)(dian)機(ji)使用(yong)時間過長(chang)。電(dian)(dian)風扇用(yong)久了,電(dian)(dian)機(ji)會(hui)磨損(sun),電(dian)(dian)機(ji)的軸(zhou)套也(ye)(ye)容易燒壞(huai)。如果(guo)長(chang)時間使用(yong)電(dian)(dian)機(ji),電(dian)(dian)機(ji)內阻也(ye)(ye)會(hui)增(zeng)大,負載能(neng)力(li)下降,導致無法帶動(dong)扇葉轉動(dong)。
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