電(dian)(dian)(dian)子扇(shan)馬(ma)達電(dian)(dian)(dian)機(ji)電(dian)(dian)(dian)子風扇(shan)的工(gong)(gong)作(zuo)原理是(shi)汽車電(dian)(dian)(dian)子風扇(shan)由恒溫(wen)器(qi)(qi)控(kong)(kong)制(zhi)。當(dang)水(shui)(shui)溫(wen)上升到(dao)上限時(shi),溫(wen)控(kong)(kong)器(qi)(qi)接通(tong)電(dian)(dian)(dian)源,風扇(shan)開始工(gong)(gong)作(zuo)。當(dang)水(shui)(shui)溫(wen)降(jiang)至下(xia)限時(shi),溫(wen)控(kong)(kong)器(qi)(qi)關閉(bi)電(dian)(dian)(dian)源,風扇(shan)停止工(gong)(gong)作(zuo)。功(gong)能(neng)是(shi)冷卻發(fa)動機(ji)水(shui)(shui)箱。
以下(xia)是電子風扇(shan)不轉的原(yuan)因:
1。電(dian)機潤滑不良,電(dian)風扇不轉(zhuan),安裝扇葉后無法拖動電(dian)機;
2、電(dian)(dian)機(ji)過熱(re),電(dian)(dian)機(ji)過熱(re)還會造成電(dian)(dian)機(ji)負載能力變差(cha),電(dian)(dian)機(ji)有(you)效功率變低(di),導(dao)致無法驅動(dong)負載;
3.當啟動電容容量變小(xiao)時,電容容量會變小(xiao),導致電機啟動轉矩(ju)變小(xiao),無法驅動負(fu)載;
4.電(dian)機使(shi)(shi)用(yong)(yong)時間過長。電(dian)風扇用(yong)(yong)久(jiu)了,電(dian)機會(hui)磨損,電(dian)機的(de)軸套也容(rong)易燒壞。如果長時間使(shi)(shi)用(yong)(yong)電(dian)機,電(dian)機內阻(zu)也會(hui)增大,負(fu)載能力(li)下降,導致無法帶動扇葉轉動。
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