電(dian)(dian)(dian)子扇(shan)馬達電(dian)(dian)(dian)機(ji)電(dian)(dian)(dian)子風扇(shan)的工(gong)作(zuo)(zuo)原(yuan)理是(shi)汽車電(dian)(dian)(dian)子風扇(shan)由恒溫器控制。當水溫上升到上限(xian)時(shi),溫控器接通(tong)電(dian)(dian)(dian)源(yuan),風扇(shan)開始工(gong)作(zuo)(zuo)。當水溫降至下(xia)限(xian)時(shi),溫控器關閉電(dian)(dian)(dian)源(yuan),風扇(shan)停止工(gong)作(zuo)(zuo)。功能是(shi)冷卻發動機(ji)水箱(xiang)。
以(yi)下是(shi)電(dian)子風(feng)扇不轉的原因(yin):
1。電機潤滑不(bu)良,電風扇不(bu)轉,安(an)裝扇葉后無法拖動(dong)電機;
2、電機(ji)(ji)過熱(re),電機(ji)(ji)過熱(re)還會造成電機(ji)(ji)負載(zai)能力(li)變差,電機(ji)(ji)有效(xiao)功率變低(di),導致無法驅動負載(zai);
3.當啟動電容(rong)容(rong)量變小時,電容(rong)容(rong)量會變小,導(dao)致電機啟動轉矩(ju)變小,無法驅動負載;
4.電(dian)(dian)(dian)機使用(yong)時間過長。電(dian)(dian)(dian)風扇用(yong)久了,電(dian)(dian)(dian)機會(hui)磨損,電(dian)(dian)(dian)機的軸套也容易燒(shao)壞(huai)。如果長時間使用(yong)電(dian)(dian)(dian)機,電(dian)(dian)(dian)機內阻(zu)也會(hui)增大,負載能力下降,導致(zhi)無法帶動扇葉(xie)轉(zhuan)動。
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