電(dian)子扇(shan)(shan)馬達電(dian)機電(dian)子風(feng)扇(shan)(shan)的工作(zuo)原理是(shi)汽車電(dian)子風(feng)扇(shan)(shan)由恒溫器控(kong)制(zhi)。當水(shui)溫上升到上限(xian)時,溫控(kong)器接通(tong)電(dian)源,風(feng)扇(shan)(shan)開始(shi)工作(zuo)。當水(shui)溫降至下限(xian)時,溫控(kong)器關閉(bi)電(dian)源,風(feng)扇(shan)(shan)停止工作(zuo)。功(gong)能(neng)是(shi)冷卻(que)發(fa)動(dong)機水(shui)箱。
以(yi)下是電子風(feng)扇不轉的原(yuan)因:
1。電(dian)機(ji)潤滑不(bu)良,電(dian)風扇不(bu)轉(zhuan),安裝扇葉后無法拖動(dong)電(dian)機(ji);
2、電(dian)機過熱(re),電(dian)機過熱(re)還會(hui)造成電(dian)機負載(zai)能力變(bian)差,電(dian)機有效(xiao)功率變(bian)低,導致無法驅(qu)動負載(zai);
3.當啟(qi)動電(dian)容(rong)(rong)容(rong)(rong)量變小(xiao)時,電(dian)容(rong)(rong)容(rong)(rong)量會變小(xiao),導致(zhi)電(dian)機啟(qi)動轉矩變小(xiao),無法驅動負載;
4.電(dian)機(ji)使(shi)用時(shi)(shi)間(jian)過長(chang)。電(dian)風扇用久了,電(dian)機(ji)會(hui)磨損,電(dian)機(ji)的軸(zhou)套也容易燒壞。如果長(chang)時(shi)(shi)間(jian)使(shi)用電(dian)機(ji),電(dian)機(ji)內阻(zu)也會(hui)增大(da),負載能(neng)力下降,導致(zhi)無法帶動(dong)(dong)扇葉轉(zhuan)動(dong)(dong)。
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