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起動繼電器：保護(hu)線路，點火開關(guan)。
汽車啟(qi)動繼電器的作用：
1、主要(yao)是(shi)通(tong)過控制低壓線(xian)(xian)路的電流來控制高壓線(xian)(xian)路的電流，起(qi)到電流開關(guan)的作(zuo)用。啟動(dong)(dong)繼電器是(shi)啟動(dong)(dong)系統(tong)組成部件之一，在汽車上主要(yao)作(zuo)用為小電流；
2、控制大(da)電(dian)(dian)(dian)流方式啟動馬達(da)轉動，從而帶動發電(dian)(dian)(dian)機(ji)(ji)內部磁電(dian)(dian)(dian)機(ji)(ji)轉子(zi)轉動，給點火(huo)器輸入點火(huo)脈沖(chong)信號，使點火(huo)器產生電(dian)(dian)(dian)火(huo)花，點燃汽(qi)缸內的混合燃氣并做功。繼電(dian)(dian)(dian)器屬于開關類，它是利用電(dian)(dian)(dian)磁原理、機(ji)(ji)電(dian)(dian)(dian)原理使接點閉合或斷開來驅動或控制相關電(dian)(dian)(dian)路的；
3、繼電(dian)器為(wei)一(yi)種(zhong)控制器件，它有受控系(xi)統(tong)(tong)（輸(shu)入(ru)回路(lu)(lu)）和控制系(xi)統(tong)(tong)（輸(shu)出回路(lu)(lu)）兩部(bu)分。當輸(shu)入(ru)量（電(dian)、磁、光、熱等物理量）達到某一(yi)定(ding)值時(shi)，輸(shu)出量躍變式地(di)由(you)(you)零變化到一(yi)定(ding)值（或由(you)(you)一(yi)定(ding)值跳變到零），從而實現對電(dian)路(lu)(lu)的控制、保護、調節和傳遞信息等目的。
啟(qi)動(dong)(dong)(dong)(dong)繼電(dian)器是單獨部(bu)件，其(qi)作用是接通、斷開(kai)吸引線(xian)圈和保持(chi)線(xian)圈電(dian)路。在電(dian)冰箱、空調器這類小型(xing)制(zhi)冷設備中，制(zhi)冷壓(ya)縮機多采用單相分相式異步電(dian)動(dong)(dong)(dong)(dong)機，啟(qi)動(dong)(dong)(dong)(dong)繼電(dian)器的(de)作用是幫(bang)助電(dian)動(dong)(dong)(dong)(dong)機啟(qi)動(dong)(dong)(dong)(dong)，啟(qi)動(dong)(dong)(dong)(dong)完成后自動(dong)(dong)(dong)(dong)斷開(kai)副(fu)(fu)繞(rao)組，避免燒壞副(fu)(fu)繞(rao)組線(xian)圈。
上汽大通MAXUS EV80是(shi)上汽旗(qi)下的一款電(dian)動(dong)車，采用了電(dian)池供電(dian)，滿足日常(chang)需求。
幫手(shou)汽(qi)(qi)配(pei)(pei)網(wang)(www.zhiyenongfu.com)是(shi)中國領先(xian)(xian)的汽(qi)(qi)車配(pei)(pei)件(jian)(jian)網(wang)站，擁(yong)有(you)全(quan)球領先(xian)(xian)的汽(qi)(qi)車配(pei)(pei)件(jian)(jian)大全(quan)數據，為廣大車主(zhu)提供汽(qi)(qi)車配(pei)(pei)件(jian)(jian)報價(jia)和汽(qi)(qi)車零(ling)部(bu)件(jian)(jian)訂購服務，是(shi)您咨詢汽(qi)(qi)車配(pei)(pei)件(jian)(jian)價(jia)格和疑難件(jian)(jian)的理想網(wang)站
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