電(dian)(dian)(dian)子扇(shan)馬(ma)達電(dian)(dian)(dian)機電(dian)(dian)(dian)子風(feng)(feng)(feng)扇(shan)的工(gong)作(zuo)原理是(shi)汽車電(dian)(dian)(dian)子風(feng)(feng)(feng)扇(shan)由(you)恒溫(wen)器控(kong)制。當水(shui)溫(wen)上升到上限時,溫(wen)控(kong)器接通電(dian)(dian)(dian)源,風(feng)(feng)(feng)扇(shan)開始工(gong)作(zuo)。當水(shui)溫(wen)降(jiang)至下(xia)限時,溫(wen)控(kong)器關閉電(dian)(dian)(dian)源,風(feng)(feng)(feng)扇(shan)停(ting)止工(gong)作(zuo)。功能(neng)是(shi)冷卻發(fa)動機水(shui)箱。
以下是電(dian)子風扇不(bu)轉的原(yuan)因:
1。電機潤滑不良,電風扇不轉,安裝扇葉(xie)后無(wu)法拖(tuo)動電機;
2、電(dian)機(ji)過熱(re),電(dian)機(ji)過熱(re)還(huan)會造成電(dian)機(ji)負載(zai)能力變差,電(dian)機(ji)有效(xiao)功率變低(di),導致無法驅動負載(zai);
3.當啟動電(dian)容容量變(bian)小(xiao)時,電(dian)容容量會變(bian)小(xiao),導(dao)致(zhi)電(dian)機啟動轉矩變(bian)小(xiao),無法驅動負載;
4.電(dian)機(ji)(ji)(ji)使(shi)用(yong)時(shi)間過長(chang)。電(dian)風扇(shan)(shan)用(yong)久了,電(dian)機(ji)(ji)(ji)會磨損,電(dian)機(ji)(ji)(ji)的軸(zhou)套也(ye)容易燒(shao)壞。如果長(chang)時(shi)間使(shi)用(yong)電(dian)機(ji)(ji)(ji),電(dian)機(ji)(ji)(ji)內阻(zu)也(ye)會增大,負載能(neng)力下降,導致無法(fa)帶動(dong)扇(shan)(shan)葉(xie)轉(zhuan)動(dong)。
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