起(qi)動繼電器(qi):保護(hu)線路(lu),點火(huo)開關。
汽車啟動(dong)繼電(dian)器的作用:
1、主要(yao)是通過控制(zhi)低(di)壓線(xian)路(lu)(lu)的電(dian)流來控制(zhi)高壓線(xian)路(lu)(lu)的電(dian)流,起(qi)到電(dian)流開關的作(zuo)用。啟動(dong)繼電(dian)器(qi)是啟動(dong)系統組(zu)成部件之一,在汽車上主要(yao)作(zuo)用為小電(dian)流;
2、控(kong)制(zhi)大電(dian)流方式啟動(dong)(dong)(dong)(dong)馬(ma)達轉動(dong)(dong)(dong)(dong),從而帶動(dong)(dong)(dong)(dong)發電(dian)機內部磁電(dian)機轉子(zi)轉動(dong)(dong)(dong)(dong),給點(dian)火器(qi)輸(shu)入點(dian)火脈沖(chong)信號,使點(dian)火器(qi)產生電(dian)火花,點(dian)燃汽缸內的混合燃氣(qi)并(bing)做功。繼電(dian)器(qi)屬(shu)于開(kai)關(guan)類,它(ta)是利用電(dian)磁原理(li)、機電(dian)原理(li)使接點(dian)閉合或斷開(kai)來驅動(dong)(dong)(dong)(dong)或控(kong)制(zhi)相關(guan)電(dian)路(lu)的;
3、繼電(dian)器為一(yi)種(zhong)控制器件,它(ta)有受控系統(tong)(輸入回路)和控制系統(tong)(輸出回路)兩部(bu)分。當輸入量(電(dian)、磁(ci)、光、熱等物(wu)理量)達到某一(yi)定(ding)值時,輸出量躍變式地由(you)(you)零(ling)變化到一(yi)定(ding)值(或由(you)(you)一(yi)定(ding)值跳變到零(ling)),從而(er)實現對電(dian)路的(de)控制、保護、調節和傳遞信(xin)息等目的(de)。
啟(qi)動(dong)(dong)繼電(dian)(dian)器(qi)是(shi)單獨部件(jian),其作用是(shi)接通、斷(duan)開(kai)吸(xi)引線圈和保(bao)持線圈電(dian)(dian)路。在電(dian)(dian)冰箱、空調器(qi)這類小(xiao)型制(zhi)冷設(she)備中,制(zhi)冷壓縮(suo)機多采用單相分相式(shi)異步電(dian)(dian)動(dong)(dong)機,啟(qi)動(dong)(dong)繼電(dian)(dian)器(qi)的(de)作用是(shi)幫助電(dian)(dian)動(dong)(dong)機啟(qi)動(dong)(dong),啟(qi)動(dong)(dong)完成(cheng)后自動(dong)(dong)斷(duan)開(kai)副繞(rao)組(zu),避免燒壞(huai)副繞(rao)組(zu)線圈。
紳寶X55是北京(jing)汽車旗下(xia)紳寶品牌第三款SUV車型,在2015年(nian)上(shang)海車展中(zhong)首次亮(liang)相。紳寶X55搭載1.5L和1.5T兩款發動機,配(pei)備CVT/6MT/5MT三種(zhong)變速(su)箱,同時(shi)擁(yong)有(you)全(quan)景天窗、前后倒車雷達、無鑰匙進(jin)入和一鍵(jian)啟動等配(pei)置。
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