起(qi)動繼電器(qi):保護線路,點火(huo)開關。
汽(qi)車啟(qi)動繼電器的作用:
1、主(zhu)(zhu)要是通(tong)過控(kong)制低壓(ya)線(xian)(xian)路的電(dian)流來控(kong)制高壓(ya)線(xian)(xian)路的電(dian)流,起到電(dian)流開關(guan)的作用。啟動繼電(dian)器是啟動系統組成部件之(zhi)一,在汽車上主(zhu)(zhu)要作用為小電(dian)流;
2、控制(zhi)(zhi)大電(dian)(dian)(dian)流方式啟動馬(ma)達轉動,從(cong)而帶動發(fa)電(dian)(dian)(dian)機(ji)內(nei)部磁電(dian)(dian)(dian)機(ji)轉子轉動,給點(dian)(dian)火器(qi)輸(shu)入點(dian)(dian)火脈沖信(xin)號(hao),使(shi)點(dian)(dian)火器(qi)產(chan)生電(dian)(dian)(dian)火花,點(dian)(dian)燃(ran)汽(qi)缸內(nei)的混(hun)合燃(ran)氣并(bing)做功。繼電(dian)(dian)(dian)器(qi)屬于開(kai)關類,它是利(li)用電(dian)(dian)(dian)磁原理、機(ji)電(dian)(dian)(dian)原理使(shi)接(jie)點(dian)(dian)閉合或(huo)斷(duan)開(kai)來(lai)驅動或(huo)控制(zhi)(zhi)相關電(dian)(dian)(dian)路(lu)的;
3、繼電器為一種(zhong)控制器件,它(ta)有(you)受控系統(輸入回路)和控制系統(輸出(chu)回路)兩部分。當輸入量(電、磁、光、熱等物理量)達到某一定(ding)值時,輸出(chu)量躍變(bian)式地由(you)零(ling)變(bian)化到一定(ding)值(或由(you)一定(ding)值跳變(bian)到零(ling)),從而(er)實現對電路的控制、保護、調(diao)節和傳遞(di)信(xin)息等目(mu)的。
啟(qi)動(dong)(dong)繼電(dian)器是單獨部件,其(qi)作用是接通、斷(duan)開吸引線(xian)圈(quan)和保(bao)持(chi)線(xian)圈(quan)電(dian)路。在電(dian)冰箱、空調器這類小型制冷(leng)設(she)備中,制冷(leng)壓(ya)縮機(ji)多(duo)采(cai)用單相(xiang)分相(xiang)式異步電(dian)動(dong)(dong)機(ji),啟(qi)動(dong)(dong)繼電(dian)器的(de)作用是幫助電(dian)動(dong)(dong)機(ji)啟(qi)動(dong)(dong),啟(qi)動(dong)(dong)完成后(hou)自動(dong)(dong)斷(duan)開副繞組,避免燒壞副繞組線(xian)圈(quan)。
騏菱是長豐汽車的首(shou)款(kuan)家轎,來(lai)自“麒麟”諧音(yin)。
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