電(dian)(dian)子扇(shan)(shan)馬達電(dian)(dian)機電(dian)(dian)子風扇(shan)(shan)的工作(zuo)原(yuan)理(li)是汽車(che)電(dian)(dian)子風扇(shan)(shan)由恒溫(wen)器(qi)控(kong)(kong)制。當水溫(wen)上升到(dao)上限(xian)(xian)時,溫(wen)控(kong)(kong)器(qi)接通(tong)電(dian)(dian)源,風扇(shan)(shan)開(kai)始工作(zuo)。當水溫(wen)降至下(xia)限(xian)(xian)時,溫(wen)控(kong)(kong)器(qi)關閉電(dian)(dian)源,風扇(shan)(shan)停止工作(zuo)。功能是冷卻發動機水箱(xiang)。
以下(xia)是電子風扇不轉的原因:
1。電(dian)機潤滑不良,電(dian)風(feng)扇不轉,安裝扇葉后無法拖動電(dian)機;
2、電機(ji)過(guo)熱,電機(ji)過(guo)熱還會造成電機(ji)負(fu)載(zai)(zai)能力變差,電機(ji)有(you)效功率(lv)變低,導(dao)致(zhi)無法驅動(dong)負(fu)載(zai)(zai);
3.當啟動電容(rong)容(rong)量變(bian)小時,電容(rong)容(rong)量會變(bian)小,導致電機啟動轉矩變(bian)小,無法(fa)驅動負載;
4.電(dian)(dian)機使用時間(jian)過長。電(dian)(dian)風扇用久(jiu)了,電(dian)(dian)機會磨損(sun),電(dian)(dian)機的軸套也容(rong)易燒壞。如果長時間(jian)使用電(dian)(dian)機,電(dian)(dian)機內(nei)阻也會增大(da),負載能力下(xia)降,導致無法帶動扇葉轉(zhuan)動。
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