起動繼(ji)電器:保護線路,點火(huo)開關。
汽車啟動(dong)繼電器(qi)的作(zuo)用:
1、主要是通過控(kong)制低壓線路的(de)電(dian)(dian)(dian)流來控(kong)制高壓線路的(de)電(dian)(dian)(dian)流,起到電(dian)(dian)(dian)流開關(guan)的(de)作(zuo)用(yong)。啟動繼電(dian)(dian)(dian)器是啟動系統組成部件之一,在汽車上(shang)主要作(zuo)用(yong)為小(xiao)電(dian)(dian)(dian)流;
2、控(kong)制(zhi)大電(dian)(dian)(dian)流方(fang)式啟動(dong)馬達轉(zhuan)動(dong),從而帶動(dong)發電(dian)(dian)(dian)機內部磁(ci)電(dian)(dian)(dian)機轉(zhuan)子轉(zhuan)動(dong),給點(dian)火(huo)器輸入點(dian)火(huo)脈沖信號,使(shi)點(dian)火(huo)器產(chan)生電(dian)(dian)(dian)火(huo)花(hua),點(dian)燃(ran)汽缸內的混(hun)合燃(ran)氣并做功。繼電(dian)(dian)(dian)器屬于開關(guan)(guan)類,它是利用(yong)電(dian)(dian)(dian)磁(ci)原理、機電(dian)(dian)(dian)原理使(shi)接點(dian)閉合或斷開來驅動(dong)或控(kong)制(zhi)相關(guan)(guan)電(dian)(dian)(dian)路的;
3、繼電(dian)器(qi)為(wei)一(yi)(yi)種控制器(qi)件,它(ta)有受(shou)控系(xi)統(tong)(輸入(ru)回路(lu))和(he)控制系(xi)統(tong)(輸出(chu)回路(lu))兩部分。當輸入(ru)量(電(dian)、磁、光、熱等(deng)物理量)達到(dao)某一(yi)(yi)定(ding)值時,輸出(chu)量躍變(bian)式地由(you)零變(bian)化到(dao)一(yi)(yi)定(ding)值(或由(you)一(yi)(yi)定(ding)值跳變(bian)到(dao)零),從而實現對電(dian)路(lu)的控制、保護、調節和(he)傳遞信(xin)息等(deng)目的。
啟動(dong)(dong)繼電(dian)(dian)(dian)器是單獨部件,其作用是接通、斷開吸引線圈和保持線圈電(dian)(dian)(dian)路(lu)。在電(dian)(dian)(dian)冰箱、空調器這類(lei)小型(xing)制(zhi)冷設備(bei)中,制(zhi)冷壓縮機(ji)多采用單相(xiang)分相(xiang)式異步(bu)電(dian)(dian)(dian)動(dong)(dong)機(ji),啟動(dong)(dong)繼電(dian)(dian)(dian)器的作用是幫(bang)助(zhu)電(dian)(dian)(dian)動(dong)(dong)機(ji)啟動(dong)(dong),啟動(dong)(dong)完成后自動(dong)(dong)斷開副繞(rao)組,避(bi)免燒壞(huai)副繞(rao)組線圈。
2019年5月18日,哈(ha)弗(fu)F7x極智運動版(ban)在北京金海湖(hu)上市發(fa)布(bu),售(shou)價15.49萬元。作(zuo)為哈(ha)弗(fu)F7x第(di)三位登場(chang)成員,哈(ha)弗(fu)F7x極智運動版(ban)是這個轎跑SUV家(jia)族的旗艦頂配車(che)型
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