起動繼電(dian)器:保(bao)護線(xian)路,點火開關。
汽(qi)車啟動繼電器的作用(yong):
1、主要是通過控(kong)(kong)制低壓線路的電流(liu)來控(kong)(kong)制高壓線路的電流(liu),起(qi)到電流(liu)開關的作用。啟動(dong)繼電器是啟動(dong)系統組成部件之一,在汽車上主要作用為(wei)小電流(liu);
2、控(kong)制(zhi)大電(dian)(dian)流方式啟動(dong)馬達轉動(dong),從而帶動(dong)發電(dian)(dian)機(ji)內部(bu)磁(ci)電(dian)(dian)機(ji)轉子轉動(dong),給點火(huo)(huo)器輸入(ru)點火(huo)(huo)脈沖(chong)信(xin)號,使點火(huo)(huo)器產(chan)生電(dian)(dian)火(huo)(huo)花,點燃汽缸內的混合燃氣并做功(gong)。繼電(dian)(dian)器屬于開關(guan)類,它是利(li)用電(dian)(dian)磁(ci)原(yuan)理(li)、機(ji)電(dian)(dian)原(yuan)理(li)使接點閉合或(huo)斷(duan)開來(lai)驅動(dong)或(huo)控(kong)制(zhi)相關(guan)電(dian)(dian)路的;
3、繼電(dian)(dian)(dian)器(qi)(qi)為一種控(kong)(kong)制(zhi)器(qi)(qi)件,它有(you)受(shou)控(kong)(kong)系統(輸(shu)入(ru)回路(lu))和控(kong)(kong)制(zhi)系統(輸(shu)出回路(lu))兩(liang)部分。當輸(shu)入(ru)量(電(dian)(dian)(dian)、磁、光、熱(re)等物理(li)量)達到某一定(ding)值時,輸(shu)出量躍變式地由零(ling)變化到一定(ding)值(或由一定(ding)值跳變到零(ling)),從而(er)實現(xian)對電(dian)(dian)(dian)路(lu)的(de)控(kong)(kong)制(zhi)、保護、調節和傳遞信息等目的(de)。
啟(qi)(qi)(qi)動(dong)(dong)繼(ji)電器(qi)是(shi)單獨部(bu)件,其作(zuo)用(yong)(yong)是(shi)接通、斷開吸引線(xian)(xian)圈(quan)和保持線(xian)(xian)圈(quan)電路(lu)。在(zai)電冰箱(xiang)、空調(diao)器(qi)這類小型制冷設備中,制冷壓縮機(ji)(ji)多采用(yong)(yong)單相(xiang)分相(xiang)式異步(bu)電動(dong)(dong)機(ji)(ji),啟(qi)(qi)(qi)動(dong)(dong)繼(ji)電器(qi)的作(zuo)用(yong)(yong)是(shi)幫助(zhu)電動(dong)(dong)機(ji)(ji)啟(qi)(qi)(qi)動(dong)(dong),啟(qi)(qi)(qi)動(dong)(dong)完(wan)成(cheng)后自動(dong)(dong)斷開副繞組,避免燒壞副繞組線(xian)(xian)圈(quan)。
前臉都微(wei)微(wei)凸起,使得整個車(che)身的(de)看起來更(geng)高檔,更(geng)加(jia)現代化,大氣而(er)不失優雅,沉重而(er)不失內涵,更(geng)加(jia)符合年輕人的(de)審美(mei)標準,凸顯當代的(de)時尚(shang)風(feng)格。
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