電(dian)(dian)子扇馬達電(dian)(dian)機電(dian)(dian)子風(feng)(feng)(feng)扇的工(gong)(gong)作原理是汽車電(dian)(dian)子風(feng)(feng)(feng)扇由恒溫(wen)器(qi)控制。當(dang)水溫(wen)上升到上限(xian)(xian)時,溫(wen)控器(qi)接(jie)通電(dian)(dian)源(yuan),風(feng)(feng)(feng)扇開(kai)始工(gong)(gong)作。當(dang)水溫(wen)降至下限(xian)(xian)時,溫(wen)控器(qi)關閉電(dian)(dian)源(yuan),風(feng)(feng)(feng)扇停止工(gong)(gong)作。功能是冷卻發(fa)動機水箱。
以下是電子(zi)風扇不轉的原(yuan)因:
1。電(dian)機(ji)潤滑(hua)不良(liang),電(dian)風扇(shan)不轉,安裝扇(shan)葉(xie)后無法拖動電(dian)機(ji);
2、電機(ji)(ji)過(guo)熱(re),電機(ji)(ji)過(guo)熱(re)還(huan)會造成電機(ji)(ji)負(fu)載能力變(bian)差,電機(ji)(ji)有效功率(lv)變(bian)低,導(dao)致(zhi)無法驅(qu)動負(fu)載;
3.當啟動(dong)電(dian)(dian)容(rong)(rong)容(rong)(rong)量(liang)變小(xiao)時,電(dian)(dian)容(rong)(rong)容(rong)(rong)量(liang)會變小(xiao),導致電(dian)(dian)機啟動(dong)轉矩變小(xiao),無(wu)法驅動(dong)負載;
4.電(dian)(dian)機(ji)使用時(shi)間過長(chang)。電(dian)(dian)風扇(shan)用久了,電(dian)(dian)機(ji)會磨損,電(dian)(dian)機(ji)的(de)軸套也容易燒壞(huai)。如果長(chang)時(shi)間使用電(dian)(dian)機(ji),電(dian)(dian)機(ji)內阻也會增大(da),負載能力下降,導(dao)致無法帶(dai)動(dong)扇(shan)葉轉動(dong)。
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