起動(dong)繼電器:保護線路,點火開關。
汽車啟動(dong)繼(ji)電器的作用:
1、主要(yao)是通過控制低壓(ya)(ya)線路的電(dian)流(liu)來控制高壓(ya)(ya)線路的電(dian)流(liu),起到電(dian)流(liu)開關(guan)的作用。啟動(dong)繼電(dian)器是啟動(dong)系統組成部件之一,在汽車上主要(yao)作用為(wei)小電(dian)流(liu);
2、控制大電(dian)流方式啟動(dong)馬(ma)達轉(zhuan)動(dong),從(cong)而(er)帶動(dong)發電(dian)機內部(bu)磁(ci)電(dian)機轉(zhuan)子轉(zhuan)動(dong),給點火(huo)器(qi)(qi)輸入點火(huo)脈(mo)沖信號,使點火(huo)器(qi)(qi)產生電(dian)火(huo)花,點燃(ran)汽缸內的混合燃(ran)氣(qi)并(bing)做功。繼電(dian)器(qi)(qi)屬于開關(guan)類,它是利用(yong)電(dian)磁(ci)原理、機電(dian)原理使接點閉合或(huo)斷開來驅動(dong)或(huo)控制相關(guan)電(dian)路的;
3、繼電器(qi)(qi)為(wei)一種控(kong)制(zhi)器(qi)(qi)件(jian),它(ta)有受控(kong)系統(輸(shu)入回路(lu))和控(kong)制(zhi)系統(輸(shu)出回路(lu))兩部分(fen)。當輸(shu)入量(電、磁、光、熱等物理量)達到(dao)某一定(ding)值(zhi)時,輸(shu)出量躍(yue)變(bian)式地由(you)零變(bian)化到(dao)一定(ding)值(zhi)(或由(you)一定(ding)值(zhi)跳(tiao)變(bian)到(dao)零),從而實(shi)現(xian)對電路(lu)的(de)控(kong)制(zhi)、保(bao)護、調節(jie)和傳遞信(xin)息等目的(de)。
啟(qi)動(dong)(dong)繼電(dian)器(qi)是(shi)單獨部(bu)件,其作(zuo)(zuo)用(yong)是(shi)接通(tong)、斷開吸引(yin)線(xian)(xian)圈(quan)和保(bao)持線(xian)(xian)圈(quan)電(dian)路。在(zai)電(dian)冰箱、空調器(qi)這類小型制冷設備中,制冷壓(ya)縮機(ji)多(duo)采用(yong)單相(xiang)分(fen)相(xiang)式異步電(dian)動(dong)(dong)機(ji),啟(qi)動(dong)(dong)繼電(dian)器(qi)的作(zuo)(zuo)用(yong)是(shi)幫助電(dian)動(dong)(dong)機(ji)啟(qi)動(dong)(dong),啟(qi)動(dong)(dong)完(wan)成后自(zi)動(dong)(dong)斷開副繞(rao)組,避(bi)免(mian)燒壞副繞(rao)組線(xian)(xian)圈(quan)。
上汽大通(tong)MAXUS V80 Plus城市版(ban),并且是短(duan)軸超低頂(ding)版(ban),售價為(wei)13.99萬。
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