起(qi)動繼電(dian)器:保護線路,點火(huo)開關(guan)。
汽(qi)車啟動繼電器的作用(yong):
1、主(zhu)(zhu)要是(shi)通過控(kong)制低壓(ya)線路的電(dian)流(liu)來控(kong)制高(gao)壓(ya)線路的電(dian)流(liu),起到電(dian)流(liu)開關的作(zuo)用。啟動繼電(dian)器是(shi)啟動系統(tong)組成部件(jian)之一,在汽車上主(zhu)(zhu)要作(zuo)用為小(xiao)電(dian)流(liu);
2、控制大電(dian)流方(fang)式啟動馬達轉動,從而帶動發電(dian)機內部磁電(dian)機轉子轉動,給(gei)點(dian)(dian)(dian)火器(qi)輸入點(dian)(dian)(dian)火脈(mo)沖(chong)信號,使點(dian)(dian)(dian)火器(qi)產生(sheng)電(dian)火花,點(dian)(dian)(dian)燃(ran)汽缸內的混合(he)燃(ran)氣并做功。繼電(dian)器(qi)屬(shu)于開關類,它是利用(yong)電(dian)磁原(yuan)(yuan)理、機電(dian)原(yuan)(yuan)理使接點(dian)(dian)(dian)閉合(he)或斷(duan)開來驅動或控制相關電(dian)路的;
3、繼電器(qi)(qi)為一種控(kong)制(zhi)器(qi)(qi)件,它有受控(kong)系統(輸入(ru)回(hui)路(lu)(lu))和控(kong)制(zhi)系統(輸出回(hui)路(lu)(lu))兩部分。當輸入(ru)量(電、磁、光、熱等物理(li)量)達(da)到某(mou)一定(ding)值時,輸出量躍(yue)變式(shi)地由零變化到一定(ding)值(或由一定(ding)值跳變到零),從而實現對電路(lu)(lu)的控(kong)制(zhi)、保護、調節和傳遞信息等目的。
啟動(dong)(dong)(dong)繼電(dian)(dian)器(qi)是單獨部件(jian),其作(zuo)用是接通、斷開吸引線(xian)圈和保持(chi)線(xian)圈電(dian)(dian)路。在(zai)電(dian)(dian)冰箱、空(kong)調器(qi)這類小型制冷(leng)設(she)備中,制冷(leng)壓縮機多(duo)采用單相(xiang)分相(xiang)式(shi)異步電(dian)(dian)動(dong)(dong)(dong)機,啟動(dong)(dong)(dong)繼電(dian)(dian)器(qi)的作(zuo)用是幫助(zhu)電(dian)(dian)動(dong)(dong)(dong)機啟動(dong)(dong)(dong),啟動(dong)(dong)(dong)完成后自(zi)動(dong)(dong)(dong)斷開副繞組(zu),避免燒壞副繞組(zu)線(xian)圈。
2018年3月6日,長(chang)安汽(qi)車公布全(quan)新逸動(dong)DT的(de)預售價格:6.0-8.8萬元。動力方面,逸動DT搭載1.6L及1.0T兩款發動機(ji)與5MT/4AT/6MT變速箱(xiang)。
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