起動繼(ji)電(dian)器:保護線路,點火(huo)開(kai)關。
汽車啟動繼電器的作用:
1、主要是(shi)通過控(kong)制(zhi)低壓線路的電(dian)流來控(kong)制(zhi)高壓線路的電(dian)流,起(qi)到(dao)電(dian)流開關的作用。啟動(dong)繼電(dian)器是(shi)啟動(dong)系(xi)統組成部件之一,在汽車上主要作用為小電(dian)流;
2、控制(zhi)(zhi)大電(dian)(dian)流方式啟動馬達轉(zhuan)動,從而帶(dai)動發電(dian)(dian)機內(nei)部磁電(dian)(dian)機轉(zhuan)子轉(zhuan)動,給點(dian)(dian)火器輸入點(dian)(dian)火脈沖(chong)信號,使(shi)(shi)點(dian)(dian)火器產(chan)生(sheng)電(dian)(dian)火花,點(dian)(dian)燃(ran)汽缸(gang)內(nei)的混(hun)合燃(ran)氣并(bing)做功(gong)。繼電(dian)(dian)器屬于(yu)開關類,它是利用電(dian)(dian)磁原理、機電(dian)(dian)原理使(shi)(shi)接點(dian)(dian)閉合或斷開來驅(qu)動或控制(zhi)(zhi)相關電(dian)(dian)路(lu)的;
3、繼電(dian)器為一(yi)(yi)種控(kong)制器件,它有受控(kong)系統(tong)(輸(shu)入(ru)回(hui)路(lu))和控(kong)制系統(tong)(輸(shu)出(chu)回(hui)路(lu))兩部(bu)分。當(dang)輸(shu)入(ru)量(liang)(電(dian)、磁、光、熱等(deng)物(wu)理量(liang))達(da)到(dao)某一(yi)(yi)定值(zhi)時(shi),輸(shu)出(chu)量(liang)躍(yue)變式(shi)地(di)由(you)零變化到(dao)一(yi)(yi)定值(zhi)(或由(you)一(yi)(yi)定值(zhi)跳變到(dao)零),從而實現對電(dian)路(lu)的控(kong)制、保護、調節(jie)和傳遞信息等(deng)目的。
啟動繼(ji)電(dian)(dian)(dian)器是(shi)單(dan)獨部(bu)件,其作用是(shi)接通、斷(duan)開吸(xi)引線(xian)(xian)圈和保持線(xian)(xian)圈電(dian)(dian)(dian)路。在電(dian)(dian)(dian)冰箱、空調器這類(lei)小型(xing)制冷設備中,制冷壓縮機多采(cai)用單(dan)相(xiang)分相(xiang)式異步(bu)電(dian)(dian)(dian)動機,啟動繼(ji)電(dian)(dian)(dian)器的(de)作用是(shi)幫助(zhu)電(dian)(dian)(dian)動機啟動,啟動完成后自動斷(duan)開副繞組(zu),避免燒壞(huai)副繞組(zu)線(xian)(xian)圈。
北(bei)汽212系列:北(bei)京汽車制造廠(chang)有限公司創建于1958年,是北(bei)京汽車自主品牌的(de)代表。四(si)十多年以來,北(bei)汽專注于輕型越野(ye)車和卡(ka)車開(kai)發生產,并贏(ying)得了“越野(ye)世家”的(de)美(mei)名(ming)。
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