起動(dong)繼電器:保護線路(lu),點(dian)火開關(guan)。
汽車啟動繼電器的(de)作用:
1、主(zhu)要是通過控制(zhi)(zhi)低壓線路的(de)電(dian)流來控制(zhi)(zhi)高壓線路的(de)電(dian)流,起到電(dian)流開(kai)關的(de)作用。啟(qi)動(dong)繼電(dian)器是啟(qi)動(dong)系統組成部(bu)件之一(yi),在(zai)汽車上主(zhu)要作用為(wei)小(xiao)電(dian)流;
2、控制大電流方式啟動(dong)(dong)馬(ma)達轉(zhuan)動(dong)(dong),從而帶動(dong)(dong)發電機內(nei)部磁電機轉(zhuan)子轉(zhuan)動(dong)(dong),給點(dian)(dian)火(huo)(huo)器輸入點(dian)(dian)火(huo)(huo)脈沖信號,使(shi)點(dian)(dian)火(huo)(huo)器產(chan)生電火(huo)(huo)花,點(dian)(dian)燃汽缸內(nei)的混合(he)燃氣并做功。繼電器屬(shu)于開關類,它是利用電磁原理(li)(li)、機電原理(li)(li)使(shi)接(jie)點(dian)(dian)閉合(he)或斷開來驅動(dong)(dong)或控制相關電路(lu)的;
3、繼電(dian)器(qi)為一種控(kong)(kong)制(zhi)器(qi)件,它有受控(kong)(kong)系(xi)統(輸入回(hui)路(lu)(lu))和(he)(he)控(kong)(kong)制(zhi)系(xi)統(輸出回(hui)路(lu)(lu))兩部分。當輸入量(liang)(電(dian)、磁、光、熱(re)等物理量(liang))達到(dao)(dao)某一定值時(shi),輸出量(liang)躍變(bian)式地由零(ling)變(bian)化(hua)到(dao)(dao)一定值(或由一定值跳變(bian)到(dao)(dao)零(ling)),從(cong)而(er)實現對(dui)電(dian)路(lu)(lu)的控(kong)(kong)制(zhi)、保護、調節和(he)(he)傳(chuan)遞信息(xi)等目的。
啟動(dong)(dong)(dong)(dong)繼電(dian)器(qi)是(shi)單獨部件(jian),其作(zuo)用(yong)是(shi)接通、斷開(kai)吸引線(xian)圈和保持線(xian)圈電(dian)路。在電(dian)冰箱、空調器(qi)這類(lei)小型制冷(leng)設備中(zhong),制冷(leng)壓縮機多采用(yong)單相分相式異步(bu)電(dian)動(dong)(dong)(dong)(dong)機,啟動(dong)(dong)(dong)(dong)繼電(dian)器(qi)的作(zuo)用(yong)是(shi)幫助(zhu)電(dian)動(dong)(dong)(dong)(dong)機啟動(dong)(dong)(dong)(dong),啟動(dong)(dong)(dong)(dong)完成后自(zi)動(dong)(dong)(dong)(dong)斷開(kai)副繞(rao)組,避免燒壞副繞(rao)組線(xian)圈。
馬自達CX-8 指導價: 25.88-33.08萬,馬自達CX-8 2019款 2.5L 兩驅(qu)豪華型采用了較大的多邊形格柵(zha)設計,采用了鍍鉻飾(shi)(shi)條進行裝飾(shi)(shi),視覺沖擊(ji)力十足(zu)
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