起動繼電器(qi):保護線路,點火開(kai)關。
汽車啟動(dong)繼(ji)電器的作用:
1、主要是通過控制(zhi)低壓(ya)線(xian)路(lu)的(de)電(dian)流來控制(zhi)高壓(ya)線(xian)路(lu)的(de)電(dian)流,起到電(dian)流開關的(de)作用。啟(qi)動(dong)繼電(dian)器(qi)是啟(qi)動(dong)系統組成部件(jian)之一,在汽車上主要作用為(wei)小電(dian)流;
2、控(kong)制大電(dian)(dian)(dian)流方式啟動(dong)(dong)馬達轉(zhuan)(zhuan)動(dong)(dong),從而(er)帶動(dong)(dong)發(fa)電(dian)(dian)(dian)機(ji)內部磁(ci)電(dian)(dian)(dian)機(ji)轉(zhuan)(zhuan)子轉(zhuan)(zhuan)動(dong)(dong),給點(dian)(dian)(dian)火(huo)器(qi)輸入點(dian)(dian)(dian)火(huo)脈沖信號,使(shi)點(dian)(dian)(dian)火(huo)器(qi)產生電(dian)(dian)(dian)火(huo)花(hua),點(dian)(dian)(dian)燃(ran)汽缸內的(de)混合燃(ran)氣并做功(gong)。繼電(dian)(dian)(dian)器(qi)屬(shu)于(yu)開關類,它是利用電(dian)(dian)(dian)磁(ci)原理(li)(li)、機(ji)電(dian)(dian)(dian)原理(li)(li)使(shi)接點(dian)(dian)(dian)閉合或(huo)斷(duan)開來驅動(dong)(dong)或(huo)控(kong)制相關電(dian)(dian)(dian)路的(de);
3、繼(ji)電(dian)器為一(yi)種控(kong)制器件,它有受控(kong)系統(輸入回路)和控(kong)制系統(輸出回路)兩部分。當輸入量(電(dian)、磁、光、熱等(deng)物理量)達到某一(yi)定值時(shi),輸出量躍變(bian)式地由零變(bian)化(hua)到一(yi)定值(或由一(yi)定值跳變(bian)到零),從而實(shi)現(xian)對電(dian)路的控(kong)制、保護、調(diao)節和傳遞信息(xi)等(deng)目的。
啟動(dong)繼電(dian)(dian)器(qi)(qi)是(shi)單(dan)獨部(bu)件(jian),其作用是(shi)接通(tong)、斷(duan)開吸引線圈和保持(chi)線圈電(dian)(dian)路。在電(dian)(dian)冰箱(xiang)、空調器(qi)(qi)這類(lei)小(xiao)型(xing)制冷(leng)設(she)備中,制冷(leng)壓縮機(ji)多采用單(dan)相(xiang)分相(xiang)式(shi)異步電(dian)(dian)動(dong)機(ji),啟動(dong)繼電(dian)(dian)器(qi)(qi)的作用是(shi)幫助電(dian)(dian)動(dong)機(ji)啟動(dong),啟動(dong)完成后自動(dong)斷(duan)開副繞組(zu),避免燒壞副繞組(zu)線圈。
榮威MARVEL X是一款智能化純電動汽車。
2018年9月30日,榮威Marvel X正式上市。
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