電(dian)(dian)子(zi)扇(shan)馬(ma)達電(dian)(dian)機電(dian)(dian)子(zi)風扇(shan)的工(gong)作(zuo)(zuo)原理是汽(qi)車電(dian)(dian)子(zi)風扇(shan)由恒溫(wen)器(qi)(qi)控(kong)制(zhi)。當水(shui)(shui)溫(wen)上(shang)(shang)升(sheng)到(dao)上(shang)(shang)限(xian)時,溫(wen)控(kong)器(qi)(qi)接(jie)通電(dian)(dian)源,風扇(shan)開始工(gong)作(zuo)(zuo)。當水(shui)(shui)溫(wen)降(jiang)至下限(xian)時,溫(wen)控(kong)器(qi)(qi)關閉電(dian)(dian)源,風扇(shan)停(ting)止工(gong)作(zuo)(zuo)。功能是冷卻發動機水(shui)(shui)箱。
以下是電子風(feng)扇不轉的原因:
1。電機(ji)潤(run)滑不良,電風扇不轉(zhuan),安裝扇葉后無法拖(tuo)動電機(ji);
2、電(dian)(dian)機(ji)過(guo)(guo)熱,電(dian)(dian)機(ji)過(guo)(guo)熱還會(hui)造成電(dian)(dian)機(ji)負載能力變(bian)差,電(dian)(dian)機(ji)有效功率變(bian)低,導(dao)致無(wu)法驅動負載;
3.當啟動電容(rong)容(rong)量(liang)變(bian)小時,電容(rong)容(rong)量(liang)會(hui)變(bian)小,導致電機啟動轉矩變(bian)小,無法(fa)驅動負載;
4.電(dian)機(ji)使(shi)用(yong)(yong)(yong)時間過長。電(dian)風(feng)扇用(yong)(yong)(yong)久了,電(dian)機(ji)會磨損(sun),電(dian)機(ji)的軸(zhou)套(tao)也容易燒壞(huai)。如果(guo)長時間使(shi)用(yong)(yong)(yong)電(dian)機(ji),電(dian)機(ji)內阻也會增(zeng)大(da),負載能力下(xia)降(jiang),導致(zhi)無法帶動扇葉(xie)轉動。
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