起動繼(ji)電器:保(bao)護線路(lu),點火(huo)開關。
汽車(che)啟動(dong)繼電器的(de)作用:
1、主要是通過控制(zhi)低壓線(xian)路(lu)的電流(liu)來控制(zhi)高壓線(xian)路(lu)的電流(liu),起(qi)到(dao)電流(liu)開關(guan)的作用。啟(qi)動繼電器是啟(qi)動系統組(zu)成部(bu)件(jian)之(zhi)一,在汽車上主要作用為小電流(liu);
2、控制大電(dian)(dian)(dian)(dian)流方(fang)式啟動(dong)(dong)馬達轉(zhuan)動(dong)(dong),從而帶動(dong)(dong)發電(dian)(dian)(dian)(dian)機(ji)內部磁電(dian)(dian)(dian)(dian)機(ji)轉(zhuan)子(zi)轉(zhuan)動(dong)(dong),給點(dian)(dian)(dian)火(huo)(huo)(huo)器(qi)輸入點(dian)(dian)(dian)火(huo)(huo)(huo)脈沖信號(hao),使(shi)點(dian)(dian)(dian)火(huo)(huo)(huo)器(qi)產生電(dian)(dian)(dian)(dian)火(huo)(huo)(huo)花,點(dian)(dian)(dian)燃(ran)汽缸內的混合(he)燃(ran)氣(qi)并(bing)做功。繼電(dian)(dian)(dian)(dian)器(qi)屬于開(kai)關(guan)類,它是利(li)用電(dian)(dian)(dian)(dian)磁原理、機(ji)電(dian)(dian)(dian)(dian)原理使(shi)接點(dian)(dian)(dian)閉合(he)或斷開(kai)來(lai)驅動(dong)(dong)或控制相關(guan)電(dian)(dian)(dian)(dian)路的;
3、繼電器(qi)(qi)為一(yi)種控(kong)制器(qi)(qi)件(jian),它(ta)有受(shou)控(kong)系(xi)統(輸入(ru)(ru)回路)和控(kong)制系(xi)統(輸出回路)兩部分。當輸入(ru)(ru)量(liang)(liang)(liang)(電、磁(ci)、光、熱等物理量(liang)(liang)(liang))達到(dao)某一(yi)定(ding)(ding)值時,輸出量(liang)(liang)(liang)躍變式地由(you)零(ling)變化到(dao)一(yi)定(ding)(ding)值(或(huo)由(you)一(yi)定(ding)(ding)值跳變到(dao)零(ling)),從而實現對電路的控(kong)制、保護(hu)、調節和傳遞信(xin)息等目的。
啟動繼電器是(shi)單(dan)獨部(bu)件(jian),其作(zuo)用(yong)是(shi)接(jie)通、斷開(kai)吸引線圈和保持線圈電路。在電冰箱(xiang)、空調(diao)器這類小型制冷設(she)備中,制冷壓縮機(ji)(ji)多采(cai)用(yong)單(dan)相分相式異步電動機(ji)(ji),啟動繼電器的作(zuo)用(yong)是(shi)幫助電動機(ji)(ji)啟動,啟動完成后自動斷開(kai)副(fu)繞組,避免(mian)燒壞副(fu)繞組線圈。
中興(xing)馳(chi)野是一(yi)款面(mian)向低(di)端用(yong)戶的(de)(de)國產 suv,它(ta)是在(zai)中興(xing)以前的(de)(de)海(hai)豹的(de)(de)基礎(chu)上發展(zhan)而來(lai)的(de)(de)。 價格(ge)低(di)廉但外形(xing)不落俗套。馳(chi)野的(de)(de)外形(xing)是著(zhu)實令人興(xing)奮的(de)(de)地方,相比于國內其他低(di)端的(de)(de) suv長車身、長后(hou)艙、窄后(hou)車門,馳(chi)野可以說走出了一(yi)條(tiao)不同的(de)(de)路
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