起動繼(ji)電器:保護線路,點火開(kai)關。
汽車(che)啟動(dong)繼電(dian)器(qi)的作用:
1、主要是(shi)通過控(kong)制低壓線路的電(dian)流(liu)(liu)來控(kong)制高壓線路的電(dian)流(liu)(liu),起(qi)到電(dian)流(liu)(liu)開(kai)關的作用。啟動繼電(dian)器是(shi)啟動系統(tong)組成(cheng)部件(jian)之(zhi)一,在汽(qi)車上(shang)主要作用為小電(dian)流(liu)(liu);
2、控(kong)制大電(dian)(dian)(dian)流方式啟動(dong)馬(ma)達轉動(dong),從而(er)帶動(dong)發電(dian)(dian)(dian)機(ji)內部磁(ci)電(dian)(dian)(dian)機(ji)轉子轉動(dong),給點(dian)火器輸入點(dian)火脈沖信號,使點(dian)火器產(chan)生電(dian)(dian)(dian)火花,點(dian)燃汽缸內的混合(he)燃氣并做功。繼電(dian)(dian)(dian)器屬于(yu)開(kai)關類,它是利用電(dian)(dian)(dian)磁(ci)原(yuan)理(li)、機(ji)電(dian)(dian)(dian)原(yuan)理(li)使接點(dian)閉合(he)或(huo)斷開(kai)來(lai)驅動(dong)或(huo)控(kong)制相關電(dian)(dian)(dian)路的;
3、繼電器為一種控(kong)制(zhi)器件(jian),它有受控(kong)系(xi)(xi)統(輸入(ru)回(hui)路)和(he)控(kong)制(zhi)系(xi)(xi)統(輸出(chu)回(hui)路)兩部(bu)分。當輸入(ru)量(liang)(liang)(電、磁、光(guang)、熱等(deng)(deng)物(wu)理量(liang)(liang))達到某一定(ding)值時,輸出(chu)量(liang)(liang)躍(yue)變式(shi)地由零變化(hua)到一定(ding)值(或由一定(ding)值跳變到零),從(cong)而實現對(dui)電路的控(kong)制(zhi)、保護、調節和(he)傳(chuan)遞信息等(deng)(deng)目的。
啟動繼電(dian)器是(shi)單獨部件,其作用(yong)是(shi)接通、斷開吸引線(xian)圈(quan)和保(bao)持線(xian)圈(quan)電(dian)路。在(zai)電(dian)冰箱、空調器這類小型制(zhi)冷設備(bei)中,制(zhi)冷壓縮機(ji)多采用(yong)單相(xiang)(xiang)分相(xiang)(xiang)式(shi)異步電(dian)動機(ji),啟動繼電(dian)器的作用(yong)是(shi)幫助(zhu)電(dian)動機(ji)啟動,啟動完(wan)成后自動斷開副繞組(zu),避免(mian)燒(shao)壞副繞組(zu)線(xian)圈(quan)。
雖然我們并沒有對新(xin)旗(qi)云(yun)2這款1.5L發動機寄予太高(gao)的要求(qiu),但是在(zai)車輛起步初(chu)期它的表現還是非常不錯的。但是隨(sui)著(zhu)車速的提(ti)升后勁稍顯不足。當(dang)然我們也不會選擇這樣(yang)一款家用車去拼(pin)性能拼(pin)速度(du)。
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