電(dian)(dian)子(zi)扇馬達電(dian)(dian)機電(dian)(dian)子(zi)風扇的工(gong)作(zuo)(zuo)(zuo)原(yuan)理是(shi)汽車電(dian)(dian)子(zi)風扇由恒溫(wen)器(qi)控(kong)制。當(dang)水(shui)溫(wen)上升到(dao)上限(xian)時,溫(wen)控(kong)器(qi)接(jie)通電(dian)(dian)源(yuan),風扇開始工(gong)作(zuo)(zuo)(zuo)。當(dang)水(shui)溫(wen)降至下限(xian)時,溫(wen)控(kong)器(qi)關閉電(dian)(dian)源(yuan),風扇停止工(gong)作(zuo)(zuo)(zuo)。功能(neng)是(shi)冷卻(que)發(fa)動機水(shui)箱。
以下是電(dian)子風扇不轉的原因:
1。電機潤滑不良,電風扇(shan)不轉,安(an)裝扇(shan)葉后(hou)無(wu)法拖動(dong)電機;
2、電(dian)(dian)機過熱(re),電(dian)(dian)機過熱(re)還(huan)會(hui)造成電(dian)(dian)機負(fu)載能力(li)變(bian)差,電(dian)(dian)機有效功率變(bian)低,導致無(wu)法驅動負(fu)載;
3.當啟(qi)動電(dian)容容量變小(xiao)時,電(dian)容容量會變小(xiao),導致電(dian)機(ji)啟(qi)動轉矩變小(xiao),無法(fa)驅動負載;
4.電(dian)機(ji)使用時(shi)間過長(chang)。電(dian)風扇用久(jiu)了,電(dian)機(ji)會磨損(sun),電(dian)機(ji)的軸套也容易燒壞。如果長(chang)時(shi)間使用電(dian)機(ji),電(dian)機(ji)內阻也會增大,負載能(neng)力下降,導致無法帶(dai)動(dong)扇葉轉(zhuan)動(dong)。
寶馬(ma)(BMW)730Li 是(shi)德(de)(de)國(guo)(guo)BMW公(gong)司生(sheng)(sheng)產(chan)的(de)一款高端豪華(hua)轎車。屬于“寶馬(ma)7系”,僅在德(de)(de)國(guo)(guo)本土生(sheng)(sheng)產(chan)。
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