電(dian)子扇馬達(da)電(dian)機(ji)(ji)電(dian)子風扇的工(gong)(gong)作(zuo)原理是汽車電(dian)子風扇由恒溫(wen)器(qi)控制。當(dang)水(shui)溫(wen)上升到上限(xian)(xian)時(shi),溫(wen)控器(qi)接(jie)通電(dian)源,風扇開始工(gong)(gong)作(zuo)。當(dang)水(shui)溫(wen)降(jiang)至下限(xian)(xian)時(shi),溫(wen)控器(qi)關(guan)閉電(dian)源,風扇停止工(gong)(gong)作(zuo)。功能是冷卻(que)發(fa)動機(ji)(ji)水(shui)箱。
以(yi)下是電子風扇不轉(zhuan)的原因:
1。電機(ji)(ji)潤(run)滑不(bu)良,電風扇(shan)不(bu)轉(zhuan),安裝扇(shan)葉后無法拖動電機(ji)(ji);
2、電機過(guo)熱(re)(re),電機過(guo)熱(re)(re)還會(hui)造成(cheng)電機負載能力變(bian)差,電機有效功(gong)率(lv)變(bian)低,導致無法驅動負載;
3.當啟(qi)動電(dian)(dian)容(rong)容(rong)量(liang)變(bian)小(xiao)時,電(dian)(dian)容(rong)容(rong)量(liang)會變(bian)小(xiao),導致電(dian)(dian)機啟(qi)動轉矩變(bian)小(xiao),無法驅動負載;
4.電(dian)機使用(yong)(yong)時(shi)間(jian)過(guo)長。電(dian)風(feng)扇用(yong)(yong)久了,電(dian)機會磨損,電(dian)機的軸套(tao)也容易(yi)燒壞。如果長時(shi)間(jian)使用(yong)(yong)電(dian)機,電(dian)機內阻也會增大,負載能力下降,導(dao)致無法帶動扇葉轉動。
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