電(dian)子扇(shan)馬達電(dian)機(ji)電(dian)子風扇(shan)的工(gong)作(zuo)原理(li)是(shi)汽(qi)車(che)電(dian)子風扇(shan)由恒溫(wen)(wen)器控制。當水(shui)溫(wen)(wen)上升(sheng)到上限(xian)時,溫(wen)(wen)控器接通(tong)電(dian)源(yuan),風扇(shan)開始(shi)工(gong)作(zuo)。當水(shui)溫(wen)(wen)降至下(xia)限(xian)時,溫(wen)(wen)控器關閉電(dian)源(yuan),風扇(shan)停止工(gong)作(zuo)。功能(neng)是(shi)冷卻發動機(ji)水(shui)箱。
以下是電子風(feng)扇不轉的原(yuan)因:
1。電機(ji)潤(run)滑不(bu)良,電風扇不(bu)轉,安裝扇葉(xie)后無法(fa)拖動電機(ji);
2、電機(ji)過(guo)熱,電機(ji)過(guo)熱還會造成電機(ji)負(fu)載能力(li)變(bian)差(cha),電機(ji)有效功率變(bian)低,導致無法驅動負(fu)載;
3.當(dang)啟動電(dian)容(rong)容(rong)量變(bian)小(xiao)時,電(dian)容(rong)容(rong)量會變(bian)小(xiao),導致電(dian)機啟動轉矩(ju)變(bian)小(xiao),無法驅動負載;
4.電(dian)機使(shi)用(yong)時間(jian)(jian)過長(chang)。電(dian)風(feng)扇(shan)用(yong)久(jiu)了(le),電(dian)機會(hui)磨損(sun),電(dian)機的軸套也(ye)容(rong)易燒壞。如果長(chang)時間(jian)(jian)使(shi)用(yong)電(dian)機,電(dian)機內阻也(ye)會(hui)增大,負(fu)載(zai)能力下降,導致無(wu)法帶動扇(shan)葉轉(zhuan)動。
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