起動(dong)繼電(dian)器:保護線路,點火(huo)開(kai)關(guan)。
汽車啟動繼電器的作用:
1、主(zhu)要是(shi)(shi)通過控制低壓(ya)線(xian)路的(de)電(dian)流來控制高壓(ya)線(xian)路的(de)電(dian)流,起(qi)到電(dian)流開關的(de)作用。啟動(dong)繼電(dian)器(qi)是(shi)(shi)啟動(dong)系統組成部件(jian)之一(yi),在汽車(che)上主(zhu)要作用為小電(dian)流;
2、控(kong)制(zhi)大電(dian)流方式(shi)啟(qi)動馬達轉動,從而帶(dai)動發電(dian)機內(nei)部磁電(dian)機轉子轉動,給點(dian)(dian)火器輸入(ru)點(dian)(dian)火脈沖信號(hao),使點(dian)(dian)火器產生(sheng)電(dian)火花,點(dian)(dian)燃汽缸(gang)內(nei)的(de)混合燃氣并做功。繼(ji)電(dian)器屬于(yu)開關類,它是利用電(dian)磁原理、機電(dian)原理使接點(dian)(dian)閉(bi)合或(huo)斷開來(lai)驅(qu)動或(huo)控(kong)制(zhi)相(xiang)關電(dian)路(lu)的(de);
3、繼電(dian)器(qi)為一(yi)種控制(zhi)(zhi)器(qi)件,它有受控系統(輸入回路(lu))和控制(zhi)(zhi)系統(輸出回路(lu))兩部分。當(dang)輸入量(liang)(電(dian)、磁、光、熱(re)等(deng)物理(li)量(liang))達到某一(yi)定值(zhi)時,輸出量(liang)躍變(bian)式地由零變(bian)化到一(yi)定值(zhi)(或由一(yi)定值(zhi)跳變(bian)到零),從而實(shi)現對電(dian)路(lu)的控制(zhi)(zhi)、保護、調節和傳(chuan)遞信息等(deng)目的。
啟(qi)(qi)動(dong)(dong)繼電(dian)(dian)(dian)器(qi)(qi)是單獨部件,其(qi)作用(yong)(yong)是接通、斷開(kai)吸引(yin)線圈和保持線圈電(dian)(dian)(dian)路。在電(dian)(dian)(dian)冰箱、空調器(qi)(qi)這類小(xiao)型制(zhi)(zhi)冷(leng)設備中,制(zhi)(zhi)冷(leng)壓縮機(ji)多(duo)采用(yong)(yong)單相(xiang)分相(xiang)式異(yi)步電(dian)(dian)(dian)動(dong)(dong)機(ji),啟(qi)(qi)動(dong)(dong)繼電(dian)(dian)(dian)器(qi)(qi)的作用(yong)(yong)是幫助電(dian)(dian)(dian)動(dong)(dong)機(ji)啟(qi)(qi)動(dong)(dong),啟(qi)(qi)動(dong)(dong)完成后(hou)自動(dong)(dong)斷開(kai)副繞(rao)組,避免(mian)燒壞副繞(rao)組線圈。
寶馬535Li搭載(zai)了(le)排量3.0升雙渦(wo)管單渦(wo)輪增壓L6發動(dong)機, 并有(you)Valvetronic電(dian)子連續(xu)可變(bian)升程氣門和直噴系統。
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