充電(dian)機(ji)(ji)是(shi)采(cai)用高頻電(dian)源技(ji)術，運用先進的(de)智能動態調整充電(dian)技(ji)術。它采(cai)用恒(heng)流/恒(heng)壓(ya)/小恒(heng)流智能三個階段(duan)充電(dian)方式，具有充電(dian)效率高，操作簡(jian)單，重量輕，體(ti)積小等特點(dian)。充電(dian)機(ji)(ji)是(shi)我國廣泛(fan)在(zai)華北地區，機(ji)(ji)器(qi)內部電(dian)力器(qi)件(jian)(如變壓(ya)器(qi)、電(dian)感、電(dian)容器(qi)等)都較大，一(yi)般在(zai)帶載較大運行時(shi)存在(zai)較小噪聲，但該機(ji)(ji)型在(zai)惡(e)劣(lie)的(de)電(dian)網環境條件(jian)中(zhong)耐抗性能較強，可(ke)靠性及穩(wen)定性均(jun)比高頻機(ji)(ji)強。

??1 電動汽(qi)車充電機(ji)種類(lei)

??電(dian)(dian)(dian)動(dong)汽(qi)(qi)車(che)(che)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)機(ji)(ji)，按照是(shi)(shi)否(fou)固定在汽(qi)(qi)車(che)(che)上，劃分(fen)為(wei)車(che)(che)載(zai)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)機(ji)(ji)和(he)非車(che)(che)載(zai)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)機(ji)(ji)兩(liang)類。非車(che)(che)載(zai)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)機(ji)(ji)又(you)分(fen)成交(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)流(liu)(liu)(liu)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)樁和(he)直(zhi)流(liu)(liu)(liu)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)樁兩(liang)種(zhong)。車(che)(che)載(zai)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)機(ji)(ji)，以交(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)流(liu)(liu)(liu)電(dian)(dian)(dian)源作(zuo)為(wei)輸(shu)(shu)入(ru)，輸(shu)(shu)出(chu)(chu)為(wei)直(zhi)流(liu)(liu)(liu)，直(zhi)接(jie)給(gei)(gei)動(dong)力(li)(li)電(dian)(dian)(dian)池(chi)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian);非車(che)(che)載(zai)直(zhi)流(liu)(liu)(liu)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)機(ji)(ji)，交(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)流(liu)(liu)(liu)輸(shu)(shu)入(ru)，直(zhi)流(liu)(liu)(liu)輸(shu)(shu)出(chu)(chu)，可(ke)以直(zhi)接(jie)給(gei)(gei)動(dong)力(li)(li)電(dian)(dian)(dian)池(chi)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)。前者功率較(jiao)小，后者較(jiao)大。另(ling)外一種(zhong)，交(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)流(liu)(liu)(liu)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)樁，交(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)流(liu)(liu)(liu)作(zuo)為(wei)輸(shu)(shu)入(ru)，輸(shu)(shu)出(chu)(chu)也是(shi)(shi)交(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)流(liu)(liu)(liu)，不能(neng)直(zhi)接(jie)給(gei)(gei)動(dong)力(li)(li)電(dian)(dian)(dian)池(chi)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)，需要(yao)連(lian)接(jie)車(che)(che)載(zai)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)機(ji)(ji)，進行交(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)直(zhi)流(liu)(liu)(liu)轉換，才能(neng)實現充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)。交(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)流(liu)(liu)(liu)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)樁內部比較(jiao)簡單，基本功能(neng)就是(shi)(shi)將電(dian)(dian)(dian)網交(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)流(liu)(liu)(liu)電(dian)(dian)(dian)引出(chu)(chu)到方便電(dian)(dian)(dian)動(dong)汽(qi)(qi)車(che)(che)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)的位置(zhi)，并(bing)提供一個(ge)標準的充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)接(jie)口。受到車(che)(che)載(zai)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)機(ji)(ji)能(neng)力(li)(li)的限(xian)制，交(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)流(liu)(liu)(liu)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)樁功率一般也不需要(yao)太大。

??2 車載充(chong)電機在(zai)電動(dong)汽車上的(de)位置

??車(che)載充(chong)電(dian)(dian)(dian)機(ji)作(zuo)為(wei)電(dian)(dian)(dian)動汽車(che)電(dian)(dian)(dian)氣系統的一(yi)部(bu)分，被固定在(zai)底盤上(shang)(shang)。車(che)載充(chong)電(dian)(dian)(dian)機(ji)的輸入端，以標準充(chong)電(dian)(dian)(dian)接(jie)(jie)(jie)口(kou)(kou)的形式固定在(zai)車(che)體上(shang)(shang)，用于連(lian)(lian)接(jie)(jie)(jie)外部(bu)電(dian)(dian)(dian)源。車(che)載充(chong)電(dian)(dian)(dian)機(ji)的輸出端，直接(jie)(jie)(jie)連(lian)(lian)接(jie)(jie)(jie)動力電(dian)(dian)(dian)池包(bao)慢(man)充(chong)電(dian)(dian)(dian)接(jie)(jie)(jie)口(kou)(kou)。在(zai)電(dian)(dian)(dian)動汽車(che)CAN總線通(tong)(tong)訊拓撲結構中，車(che)載充(chong)電(dian)(dian)(dian)機(ji)作(zuo)為(wei)一(yi)個節點，掛(gua)在(zai)CAN總線上(shang)(shang)，通(tong)(tong)過CAN與整車(che)控制器交換數據。

??3 充電模式(shi)

??充(chong)(chong)(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)模(mo)式(shi)(shi)指充(chong)(chong)(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)過程(cheng)中，電(dian)(dian)(dian)(dian)流(liu)、電(dian)(dian)(dian)(dian)壓(ya)以怎樣的(de)規定(ding)性提供給電(dian)(dian)(dian)(dian)池。充(chong)(chong)(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)模(mo)式(shi)(shi)，對充(chong)(chong)(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)效率、電(dian)(dian)(dian)(dian)池壽命都會(hui)產生顯著影響。主要的(de)充(chong)(chong)(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)模(mo)式(shi)(shi)有(you)恒(heng)流(liu)充(chong)(chong)(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)，恒(heng)壓(ya)充(chong)(chong)(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)，先恒(heng)流(liu)后恒(heng)壓(ya)充(chong)(chong)(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)，同向脈(mo)沖(chong)(chong)充(chong)(chong)(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)和正(zheng)(zheng)(zheng)負脈(mo)沖(chong)(chong)充(chong)(chong)(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)幾類。在基(ji)本類型的(de)基(ji)礎上，一直(zhi)有(you)研究(jiu)人員(yuan)在探(tan)索(suo)更為合理高效的(de)充(chong)(chong)(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)方式(shi)(shi)。比如(ru)，結合恒(heng)流(liu)恒(heng)壓(ya)充(chong)(chong)(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)，中間采用(yong)正(zheng)(zheng)(zheng)負脈(mo)沖(chong)(chong)充(chong)(chong)(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)方式(shi)(shi)。在較長時間脈(mo)沖(chong)(chong)正(zheng)(zheng)(zheng)向充(chong)(chong)(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)以后，夾雜短暫的(de)負向脈(mo)沖(chong)(chong)充(chong)(chong)(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)，用(yong)以消除正(zheng)(zheng)(zheng)向充(chong)(chong)(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)過程(cheng)中產生的(de)極(ji)化現象(xiang)，降(jiang)低(di)回路電(dian)(dian)(dian)(dian)阻，進而(er)提高了充(chong)(chong)(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)效率，同時對降(jiang)低(di)充(chong)(chong)(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)溫(wen)度也有(you)正(zheng)(zheng)(zheng)向作用(yong)。

??4 充電截止條(tiao)件

??充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)模式另一(yi)(yi)個被討論最(zui)多的(de)(de)點，是充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)截(jie)(jie)(jie)止(zhi)條(tiao)件(jian)。可以(yi)被用作(zuo)充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)截(jie)(jie)(jie)止(zhi)的(de)(de)判(pan)(pan)據，常見的(de)(de)有電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)包總電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)單(dan)體(ti)(ti)(ti)最(zui)高電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)，充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)包總體(ti)(ti)(ti)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)作(zuo)為充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)截(jie)(jie)(jie)止(zhi)條(tiao)件(jian)：在(zai)(zai)充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)過(guo)程后期，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)包總電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)隨著充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)過(guo)程的(de)(de)進行而(er)(er)逐漸(jian)提高，達到某一(yi)(yi)個設(she)定閾(yu)值后，充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)過(guo)程結束(shu)。在(zai)(zai)這(zhe)個過(guo)程中(zhong)，如(ru)果充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)截(jie)(jie)(jie)止(zhi)總電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)的(de)(de)設(she)置數值比較高，而(er)(er)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)包中(zhong)單(dan)體(ti)(ti)(ti)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)芯(xin)的(de)(de)一(yi)(yi)致(zhi)性又(you)不(bu)是特別好，可能出(chu)現(xian)單(dan)體(ti)(ti)(ti)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)已經到了報警閾(yu)值，而(er)(er)總電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)依然沒有觸及截(jie)(jie)(jie)止(zhi)值的(de)(de)情況。單(dan)體(ti)(ti)(ti)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)最(zui)高電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)作(zuo)為充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)截(jie)(jie)(jie)止(zhi)條(tiao)件(jian)：把電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)管理(li)系統監測到的(de)(de)單(dan)體(ti)(ti)(ti)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)芯(xin)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)中(zhong)最(zui)大值作(zuo)為判(pan)(pan)據，當電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)達到設(she)定的(de)(de)截(jie)(jie)(jie)止(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)值時，充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)過(guo)程結束(shu)。由于單(dan)體(ti)(ti)(ti)之間不(bu)一(yi)(yi)致(zhi)性的(de)(de)存在(zai)(zai)，如(ru)果沒有合理(li)的(de)(de)均衡(heng)措施，必然存在(zai)(zai)著一(yi)(yi)批電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)芯(xin)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)還沒有達到滿(man)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)。充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)作(zuo)為充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)截(jie)(jie)(jie)止(zhi)條(tiao)件(jian)：接(jie)近滿(man)充(chong)狀態，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)恒定，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)則逐漸(jian)減(jian)(jian)小，當電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)減(jian)(jian)小到設(she)定閾(yu)值以(yi)下，充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)過(guo)程結束(shu)。

??5 車載充電機工(gong)作原理

??控(kong)(kong)制單(dan)元，采樣輸(shu)出(chu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)和電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)，經過處理后將實(shi)時值(zhi)(zhi)傳遞(di)給(gei)(gei)PID(一種閉(bi)環(huan)自動(dong)控(kong)(kong)制技(ji)術，是(shi)比例、積分、微分控(kong)(kong)制器(qi)(qi)的(de)(de)(de)簡稱)控(kong)(kong)制回路(lu)，由控(kong)(kong)制器(qi)(qi)比較測量(liang)(liang)值(zhi)(zhi)與(yu)期望值(zhi)(zhi)之(zhi)間(jian)(jian)的(de)(de)(de)差(cha)距，再將調節要(yao)求(qiu)(qiu)(qiu)傳遞(di)給(gei)(gei)PWM回路(lu)(PWM脈沖寬度調制技(ji)術)，用(yong)(yong)脈沖寬度變化(hua)去控(kong)(kong)制高(gao)壓(ya)回路(lu)中功率(lv)器(qi)(qi)件的(de)(de)(de)開閉(bi)時間(jian)(jian)的(de)(de)(de)長短，最終實(shi)現輸(shu)出(chu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)和電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)盡(jin)量(liang)(liang)接近于主控(kong)(kong)系統要(yao)求(qiu)(qiu)(qiu)的(de)(de)(de)數值(zhi)(zhi)。低壓(ya)輔助(zhu)單(dan)元，是(shi)一個(ge)標準低壓(ya)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源，輸(shu)出(chu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)12V或者(zhe)24V，用(yong)(yong)于充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)期間(jian)(jian)，給(gei)(gei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)汽(qi)車(che)上(shang)的(de)(de)(de)用(yong)(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)供(gong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，比如電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池管(guan)理系統、熱管(guan)理系統、汽(qi)車(che)儀表等。功率(lv)單(dan)元，一般包括(kuo)輸(shu)入(ru)整流(liu)，逆變電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)和輸(shu)出(chu)整流(liu)3個(ge)部分，將輸(shu)入(ru)的(de)(de)(de)工頻(pin)交流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)轉(zhuan)化(hua)成適合(he)動(dong)力電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池系統能夠接受(shou)的(de)(de)(de)適當電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)的(de)(de)(de)直流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)。輸(shu)出(chu)端口(kou)(kou)(kou)，包括(kuo)低壓(ya)輔助(zhu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源正(zheng)負(fu)極兩個(ge)pin口(kou)(kou)(kou)，高(gao)壓(ya)充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)回路(lu)正(zheng)負(fu)極兩個(ge)pin口(kou)(kou)(kou)，底(di)盤地，通(tong)訊線(xian)(xian)CANH和CANL(還可以有CAN屏蔽(bi))，充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)請(qing)求(qiu)(qiu)(qiu)信(xin)號(hao)線(xian)(xian)。其中，高(gao)壓(ya)連個(ge)pin口(kou)(kou)(kou)與(yu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池包相連;充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)請(qing)求(qiu)(qiu)(qiu)信(xin)號(hao)線(xian)(xian)用(yong)(yong)于，充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)的(de)(de)(de)輸(shu)入(ru)端口(kou)(kou)(kou)與(yu)外部電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源之(zhi)間(jian)(jian)完(wan)成充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)連接確認以后，通(tong)過“充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)請(qing)求(qiu)(qiu)(qiu)信(xin)號(hao)”線(xian)(xian)向(xiang)車(che)輛控(kong)(kong)制器(qi)(qi)發送(song)充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)請(qing)求(qiu)(qiu)(qiu)信(xin)號(hao)，同時或延時一小(xiao)段(duan)時間(jian)(jian)后，用(yong)(yong)低壓(ya)輔助(zhu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源給(gei)(gei)整車(che)供(gong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)。