在方(fang)向(xiang)盤下(xia)邊(bian)的(de)方(fang)向(xiang)桿上找到助(zhu)力電機,電機上一般有一個(ge)小鐵(tie)蓋護著的(de)、帶四根線(帶有一個(ge)插(cha)頭)的(de)就是轉向(xiang)助(zhu)力扭矩傳感器,拆下(xia)小鐵(tie)蓋就能(neng)看到。
電(dian)動助(zhu)力(li)(li)(li)轉(zhuan)(zhuan)向(xiang)(xiang)系(xi)統主要由扭矩傳(chuan)(chuan)(chuan)感(gan)(gan)器,車(che)速傳(chuan)(chuan)(chuan)感(gan)(gan)器,電(dian)動機,減速機構(gou)與電(dian)子控制(zhi)(zhi)單元等組成。該系(xi)統通過扭矩傳(chuan)(chuan)(chuan)感(gan)(gan)器感(gan)(gan)知(zhi)駕駛員在轉(zhuan)(zhuan)向(xiang)(xiang)操(cao)(cao)作時方向(xiang)(xiang)盤產生的扭矩力(li)(li)(li)和轉(zhuan)(zhuan)向(xiang)(xiang)角(jiao)度,就會把操(cao)(cao)控信(xin)(xin)息轉(zhuan)(zhuan)換(huan)成數字信(xin)(xin)號輸入到控制(zhi)(zhi)單元,再經過控制(zhi)(zhi)單元對這些信(xin)(xin)號進行運算得到一個(ge)(ge)最佳的力(li)(li)(li)矩最后控制(zhi)(zhi)驅使(shi)電(dian)動機工作。以上就是(shi)整個(ge)(ge)電(dian)動助(zhu)力(li)(li)(li)系(xi)統構(gou)成和工作的過程,不難看出扭矩傳(chuan)(chuan)(chuan)感(gan)(gan)器在電(dian)動助(zhu)力(li)(li)(li)系(xi)統中是(shi)最為重(zhong)要的器件之一。
扭矩(ju)傳(chuan)(chuan)(chuan)感器在(zai)(zai)電(dian)動(dong)(dong)(dong)(dong)助力(li)(li)(li)(li)(li)(li)轉(zhuan)向(xiang)(xiang)(xiang)(xiang)系(xi)統(tong)(tong)(tong)中的(de)(de)(de)(de)作用電(dian)動(dong)(dong)(dong)(dong)助力(li)(li)(li)(li)(li)(li)轉(zhuan)向(xiang)(xiang)(xiang)(xiang)系(xi)統(tong)(tong)(tong)可以稱之(zhi)為EPS,它(ta)就是一種直接依靠電(dian)機(ji)提供輔助扭矩(ju)的(de)(de)(de)(de)動(dong)(dong)(dong)(dong)力(li)(li)(li)(li)(li)(li)轉(zhuan)向(xiang)(xiang)(xiang)(xiang)系(xi)統(tong)(tong)(tong)。在(zai)(zai)整(zheng)個系(xi)統(tong)(tong)(tong)中,扭矩(ju)傳(chuan)(chuan)(chuan)感器起到決定性(xing)作用。與(yu)傳(chuan)(chuan)(chuan)統(tong)(tong)(tong)的(de)(de)(de)(de)液(ye)壓助力(li)(li)(li)(li)(li)(li)轉(zhuan)向(xiang)(xiang)(xiang)(xiang)系(xi)統(tong)(tong)(tong)不(bu)(bu)同的(de)(de)(de)(de)是電(dian)動(dong)(dong)(dong)(dong)助力(li)(li)(li)(li)(li)(li)轉(zhuan)向(xiang)(xiang)(xiang)(xiang)系(xi)統(tong)(tong)(tong)具有(you)性(xing)能(neng)應用上更大(da)(da)的(de)(de)(de)(de)優(you)勢。它(ta)不(bu)(bu)光在(zai)(zai)需要(yao)轉(zhuan)向(xiang)(xiang)(xiang)(xiang)時才啟動(dong)(dong)(dong)(dong)電(dian)機(ji)產生(sheng)助力(li)(li)(li)(li)(li)(li),這樣能(neng)大(da)(da)大(da)(da)的(de)(de)(de)(de)減少發動(dong)(dong)(dong)(dong)機(ji)燃油消(xiao)耗。電(dian)動(dong)(dong)(dong)(dong)助力(li)(li)(li)(li)(li)(li)能(neng)在(zai)(zai)各(ge)種行(xing)駛工(gong)況下提供最佳助力(li)(li)(li)(li)(li)(li),減小由(you)路面(mian)不(bu)(bu)平所引起電(dian)動(dong)(dong)(dong)(dong)機(ji)的(de)(de)(de)(de)輸出轉(zhuan)矩(ju)通(tong)過(guo)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)裝(zhuang)置(zhi)(zhi)的(de)(de)(de)(de)作用而(er)助力(li)(li)(li)(li)(li)(li)向(xiang)(xiang)(xiang)(xiang)系(xi)的(de)(de)(de)(de)擾動(dong)(dong)(dong)(dong),改善汽車的(de)(de)(de)(de)轉(zhuan)向(xiang)(xiang)(xiang)(xiang)特性(xing),提高汽車的(de)(de)(de)(de)主動(dong)(dong)(dong)(dong)安全性(xing)。和(he)液(ye)壓助力(li)(li)(li)(li)(li)(li)相比沒有(you)液(ye)壓回路,調整(zheng)和(he)檢測(ce)更容易(yi),裝(zhuang)配(pei)自動(dong)(dong)(dong)(dong)化程度更高,且可通(tong)過(guo)設(she)置(zhi)(zhi)不(bu)(bu)同的(de)(de)(de)(de)程序,快速以及(ji)不(bu)(bu)同車型匹配(pei),縮短生(sheng)產和(he)開發周期。
扭矩傳感器的作用是測(ce)量(liang)動(dong)態扭矩和靜(jing)態扭矩,其(qi)檢測(ce)穩定(ding)性(xing)、抗干(gan)擾性(xing),以及精度都很好(hao),每次(ci)使用不需要調整為零。
北汽(qi)EV5是北汽昌(chang)河的國產(chan)車廠(chang)北汽昌(chang)河于(yu)2019年推出(chu)的一款微面,最(zui)新年款為(wei)2019,官(guan)方指(zhi)導價(jia):10.38-11.38萬元
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