電(dian)子(zi)扇(shan)(shan)馬達電(dian)機電(dian)子(zi)風(feng)(feng)扇(shan)(shan)的(de)工作(zuo)(zuo)原理是汽車電(dian)子(zi)風(feng)(feng)扇(shan)(shan)由恒溫(wen)(wen)(wen)器控制。當水(shui)溫(wen)(wen)(wen)上升到上限(xian)時,溫(wen)(wen)(wen)控器接通(tong)電(dian)源,風(feng)(feng)扇(shan)(shan)開始工作(zuo)(zuo)。當水(shui)溫(wen)(wen)(wen)降至(zhi)下限(xian)時,溫(wen)(wen)(wen)控器關閉電(dian)源,風(feng)(feng)扇(shan)(shan)停止工作(zuo)(zuo)。功能是冷卻發(fa)動機水(shui)箱。
以下是電子(zi)風扇不轉的原因:
1。電機(ji)潤滑不良,電風扇不轉,安(an)裝(zhuang)扇葉后無法拖(tuo)動電機(ji);
2、電(dian)機(ji)(ji)過熱,電(dian)機(ji)(ji)過熱還會造(zao)成電(dian)機(ji)(ji)負(fu)載能力變差,電(dian)機(ji)(ji)有效(xiao)功率變低,導致無法驅動負(fu)載;
3.當(dang)啟動(dong)電容(rong)容(rong)量(liang)(liang)變(bian)小(xiao)時,電容(rong)容(rong)量(liang)(liang)會變(bian)小(xiao),導(dao)致電機啟動(dong)轉矩變(bian)小(xiao),無法驅動(dong)負(fu)載;
4.電(dian)(dian)機(ji)使用時間(jian)過長。電(dian)(dian)風(feng)扇用久了,電(dian)(dian)機(ji)會(hui)磨損,電(dian)(dian)機(ji)的軸套也容易燒(shao)壞。如果長時間(jian)使用電(dian)(dian)機(ji),電(dian)(dian)機(ji)內(nei)阻也會(hui)增大(da),負(fu)載能力下降,導(dao)致(zhi)無法帶動(dong)扇葉轉動(dong)。
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