起動(dong)繼(ji)電(dian)器(qi):保護線路,點火(huo)開關。
汽車啟(qi)動(dong)繼電(dian)器的作用:
1、主要(yao)(yao)是(shi)通過控制低(di)壓(ya)線路的電(dian)(dian)流(liu)來控制高壓(ya)線路的電(dian)(dian)流(liu),起到電(dian)(dian)流(liu)開關的作(zuo)用。啟動(dong)繼電(dian)(dian)器是(shi)啟動(dong)系統(tong)組成部件之一,在汽車上主要(yao)(yao)作(zuo)用為(wei)小(xiao)電(dian)(dian)流(liu);
2、控(kong)制大(da)電(dian)(dian)流方式啟(qi)動馬達轉動,從而(er)帶動發(fa)電(dian)(dian)機內部磁(ci)電(dian)(dian)機轉子轉動,給點(dian)(dian)(dian)火(huo)(huo)器(qi)輸入點(dian)(dian)(dian)火(huo)(huo)脈沖信號,使點(dian)(dian)(dian)火(huo)(huo)器(qi)產生電(dian)(dian)火(huo)(huo)花,點(dian)(dian)(dian)燃汽缸內的(de)混合(he)燃氣并做(zuo)功。繼電(dian)(dian)器(qi)屬于開關類,它是利用(yong)電(dian)(dian)磁(ci)原(yuan)理、機電(dian)(dian)原(yuan)理使接點(dian)(dian)(dian)閉(bi)合(he)或斷(duan)開來驅動或控(kong)制相關電(dian)(dian)路(lu)的(de);
3、繼電器為一(yi)(yi)種控制器件,它有受(shou)控系統(輸入回(hui)(hui)路)和控制系統(輸出(chu)回(hui)(hui)路)兩部分。當輸入量(電、磁(ci)、光、熱等物(wu)理(li)量)達到(dao)某一(yi)(yi)定值(zhi)時,輸出(chu)量躍變式地由零變化(hua)到(dao)一(yi)(yi)定值(zhi)(或由一(yi)(yi)定值(zhi)跳變到(dao)零),從而(er)實現對電路的控制、保護、調節和傳遞信(xin)息(xi)等目的。
啟(qi)(qi)動(dong)(dong)(dong)繼電(dian)(dian)器(qi)是單獨部件,其作(zuo)用是接(jie)通、斷開吸引線(xian)圈和保持線(xian)圈電(dian)(dian)路。在電(dian)(dian)冰箱(xiang)、空(kong)調器(qi)這類小型(xing)制冷設備中,制冷壓(ya)縮機(ji)多采(cai)用單相分相式異步電(dian)(dian)動(dong)(dong)(dong)機(ji),啟(qi)(qi)動(dong)(dong)(dong)繼電(dian)(dian)器(qi)的作(zuo)用是幫助電(dian)(dian)動(dong)(dong)(dong)機(ji)啟(qi)(qi)動(dong)(dong)(dong),啟(qi)(qi)動(dong)(dong)(dong)完(wan)成后自(zi)動(dong)(dong)(dong)斷開副繞(rao)組(zu),避免燒壞(huai)副繞(rao)組(zu)線(xian)圈。
中(zhong)華(hua)(hua)H220,為中(zhong)華(hua)(hua)汽車旗下的(de)一款(kuan)車型。 中(zhong)華(hua)(hua)H220實(shi)際上是(shi)H230的(de)兩廂版車型,外觀方面,中(zhong)華(hua)(hua)H220看起來(lai)更加活潑圓潤(run),以更多曲線(xian)取(qu)代(dai)了(le)原有(you)棱角設(she)計。中(zhong)網格柵(zha)也(ye)運(yun)用蜂窩網格樣式,整個進氣格柵(zha)向(xiang)下開(kai)口(kou)也(ye)更大,全新的(de)進氣格柵(zha)的(de)應用,讓其(qi)看起來(lai)更加動(dong)感。
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