起動繼(ji)電器:保護線路(lu),點火開關(guan)。
汽(qi)車啟動繼(ji)電器(qi)的(de)作(zuo)用:
1、主(zhu)(zhu)要是通過控(kong)制低壓線(xian)路的(de)電流(liu)(liu)來控(kong)制高壓線(xian)路的(de)電流(liu)(liu),起(qi)到(dao)電流(liu)(liu)開(kai)關的(de)作用。啟(qi)動繼電器(qi)是啟(qi)動系統組成部件之一,在汽車上主(zhu)(zhu)要作用為小(xiao)電流(liu)(liu);
2、控制大電(dian)(dian)(dian)流方(fang)式啟(qi)動(dong)馬達轉(zhuan)動(dong),從而帶動(dong)發(fa)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(qi)輸入點(dian)火(huo)脈沖(chong)信(xin)號,使點(dian)火(huo)器(qi)產生電(dian)(dian)(dian)火(huo)花,點(dian)燃(ran)汽缸內的混合燃(ran)氣并做功。繼電(dian)(dian)(dian)器(qi)屬于開關類,它是(shi)利用電(dian)(dian)(dian)磁(ci)原理、機電(dian)(dian)(dian)原理使接(jie)點(dian)閉合或(huo)斷開來(lai)驅動(dong)或(huo)控制相關電(dian)(dian)(dian)路的;
3、繼電器(qi)為(wei)一(yi)種控(kong)制器(qi)件(jian),它有受控(kong)系統(tong)(輸入回路)和控(kong)制系統(tong)(輸出(chu)回路)兩(liang)部(bu)分。當輸入量(電、磁(ci)、光、熱等(deng)(deng)物(wu)理量)達到(dao)某一(yi)定(ding)值(zhi)時(shi),輸出(chu)量躍變式地由(you)零變化到(dao)一(yi)定(ding)值(zhi)(或(huo)由(you)一(yi)定(ding)值(zhi)跳(tiao)變到(dao)零),從而實現(xian)對電路的控(kong)制、保護、調(diao)節(jie)和傳遞信(xin)息(xi)等(deng)(deng)目(mu)的。
啟(qi)動(dong)繼電(dian)器是(shi)單(dan)獨(du)部(bu)件,其作用是(shi)接(jie)通、斷開吸(xi)引線圈(quan)和保持(chi)線圈(quan)電(dian)路(lu)。在(zai)電(dian)冰箱(xiang)、空調(diao)器這類(lei)小(xiao)型制冷設備中,制冷壓縮機多采用單(dan)相分(fen)相式(shi)異步電(dian)動(dong)機,啟(qi)動(dong)繼電(dian)器的(de)作用是(shi)幫助電(dian)動(dong)機啟(qi)動(dong),啟(qi)動(dong)完成后自動(dong)斷開副(fu)(fu)繞組,避免燒壞(huai)副(fu)(fu)繞組線圈(quan)。
捷途(tu)X70是奇(qi)瑞旗下全新品牌,動(dong)(dong)力方(fang)面該(gai)車將搭載一(yi)臺1.5T發動(dong)(dong)機(ji)。 2018年8月17日,捷途(tu)X70正式上市。
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