一、比亞迪的dmi是什么意思
比亞迪dmi的(de)意(yi)思是(shi)比亞迪的(de)超(chao)級(ji)混動(dong)技術。dmi超(chao)級(ji)混動(dong)基于大容量電(dian)(dian)(dian)(dian)池(chi)和(he)大功(gong)率電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)。車(che)輛在行駛過(guo)程中由(you)大功(gong)率電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)驅動(dong)。汽油(you)機(ji)(ji)(ji)的(de)主(zhu)要功(gong)能是(shi)給電(dian)(dian)(dian)(dian)池(chi)充電(dian)(dian)(dian)(dian),只(zhi)在需要更大功(gong)率的(de)時(shi)候才會直(zhi)接驅動(dong),只(zhi)有和(he)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)一(yi)起工(gong)作才能減輕(qing)負載(zai)。dmi超(chao)級(ji)混動(dong)技術的(de)核(he)心部件(jian)是(shi)比亞迪最新研發的(de)曉云插電(dian)(dian)(dian)(dian)式混合動(dong)力發動(dong)機(ji)(ji)(ji),其中有兩(liang)個(ge)重要部件(jian):EHS雙電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)、dmi超(chao)級(ji)混動(dong)刀片電(dian)(dian)(dian)(dian)池(chi),以及一(yi)系(xi)列車(che)輛控(kong)制(zhi)系(xi)統、發動(dong)機(ji)(ji)(ji)控(kong)制(zhi)系(xi)統、電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)控(kong)制(zhi)系(xi)統和(he)電(dian)(dian)(dian)(dian)池(chi)管(guan)理系(xi)統,共(gong)同(tong)構(gou)成超(chao)級(ji)混動(dong)系(xi)統。
dmi非(fei)常(chang)混(hun)動(dong)以大(da)容(rong)量鋰電(dian)(dian)(dian)(dian)池和(he)功率大(da)的(de)電(dian)(dian)(dian)(dian)機(ji)為基本,車子在行車的(de)過程之中(zhong)借助功率大(da)的(de)電(dian)(dian)(dian)(dian)機(ji)開展推動(dong),而發動(dong)機(ji)的(de)關鍵作用是為蓄(xu)電(dian)(dian)(dian)(dian)池充(chong)電(dian)(dian)(dian)(dian),僅(jin)有在必須(xu)大(da)量能量的(de)過程中(zhong)才會直驅,而且也僅(jin)僅(jin)和(he)電(dian)(dian)(dian)(dian)機(ji)協調工作以減(jian)少負(fu)載。dmi非(fei)常(chang)混(hun)動(dong)技術性(xing)主要部件(jian)為比亞迪新制(zhi)造的(de)驍云(yun)插混(hun)專用型汽車發動(dong)機(ji),也有2個(ge)主要構件(jian):EHS雙電(dian)(dian)(dian)(dian)機(ji)、dmi非(fei)常(chang)混(hun)動(dong)專用型刀(dao)頭充(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)池,再加上一系(xi)(xi)(xi)(xi)列的(de)白車身控制(zhi)系(xi)(xi)(xi)(xi)統(tong)、汽車發動(dong)機(ji)控制(zhi)系(xi)(xi)(xi)(xi)統(tong)、電(dian)(dian)(dian)(dian)機(ji)控制(zhi)系(xi)(xi)(xi)(xi)統(tong)、充(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)池智能管理系(xi)(xi)(xi)(xi)統(tong),一同組(zu)成非(fei)常(chang)混(hun)動(dong)系(xi)(xi)(xi)(xi)統(tong)軟件(jian)。
簡易的(de)說,當dmi車(che)系(xi)用(yong)電(dian)量(liang)充裕時,就等同于一(yi)臺純電(dian)動汽車(che),電(dian)機的(de)驅(qu)動力供給可以在各(ge)種各(ge)樣實時路(lu)況下行車(che)。而當電(dian)量(liang)不足(zu)時,dmi車(che)系(xi)就會依據系(xi)統(tong)軟件工作狀況,獨(du)立分辨(bian)用(yong)電(dian)量(liang)還是(shi)用(yong)食(shi)油,抑或(huo)是(shi)油電(dian)協作。
二、比亞迪dmi有沒有優勢
從目(mu)前的(de)市場環境來看,無論是國內還是國外(wai)擁有(you)比(bi)(bi)亞迪這樣的(de)自研DM-i技(ji)術的(de)確實不多(duo),比(bi)(bi)亞迪DM-i技(ji)術以(yi)其(qi)獨特的(de)技(ji)術架(jia)構和創新的(de)智能控制策略,都能說明比(bi)(bi)亞迪mdi是比(bi)(bi)較有(you)優勢的(de)。
首先是研(yan)(yan)發(fa)歷(li)史,比亞(ya)迪有二十多年(nian)(nian)的插(cha)電式混動技術(shu)(shu)積累(lei)(lei)和自主研(yan)(yan)發(fa)能力。在(zai)插(cha)電式混動技術(shu)(shu)領域多年(nian)(nian)的研(yan)(yan)發(fa)經驗,使得(de)比亞(ya)迪對于技術(shu)(shu)累(lei)(lei)積和發(fa)展方向(xiang)都有完整的規劃和方案,并建立(li)了強大的自主研(yan)(yan)發(fa)能力,為比亞(ya)迪dmi技術(shu)(shu)的推出奠(dian)定了技術(shu)(shu)基礎。
其次就是技術轉型,當然有人說比亞迪dmi的技術是脫胎于PHEV技術,這里要說的是新能源的(de)(de)(de)技(ji)術(shu)(shu)都是脫(tuo)胎于(yu)原先存(cun)在的(de)(de)(de)技(ji)術(shu)(shu),關鍵(jian)核心點(dian)是能(neng)(neng)不能(neng)(neng)彌補老舊技(ji)術(shu)(shu)的(de)(de)(de)BUG。盡管PHEV有著較(jiao)高的(de)(de)(de)節能(neng)(neng)和(he)(he)環保(bao)性能(neng)(neng),但(dan)由于(yu)其發(fa)動(dong)(dong)機和(he)(he)電動(dong)(dong)機相(xiang)互配(pei)合,存(cun)在一定程度上(shang)的(de)(de)(de)炭(tan)罐飽和(he)(he)問題,這(zhe)往往會導致(zhi)PHEV的(de)(de)(de)油耗性能(neng)(neng)和(he)(he)排放水平受到(dao)影響。為了(le)(le)克服這(zhe)一問題,比亞迪以dmi串并聯架構技(ji)術(shu)(shu)為基礎,研發(fa)了(le)(le)常壓油箱的(de)(de)(de)油氣排放控制技(ji)術(shu)(shu)。比亞迪的(de)(de)(de)技(ji)術(shu)(shu)實現了(le)(le)發(fa)動(dong)(dong)機和(he)(he)車(che)輪的(de)(de)(de)解(jie)耦,多控制單元的(de)(de)(de)協(xie)同(tong)控制,以及對EV行(xing)駛(shi)里程、時(shi)間與炭(tan)罐特性的(de)(de)(de)相(xiang)關性深入研究。
最后是技術突破,所謂dmi技術簡單來說是以電為主的混動技術,也就是圍繞著大功率電機驅動和大容量動力電池供能為主,發動機為輔的電混架構。其特點在于采用了串并聯技術架構,將發動機與電動機分開控制,以確保發動機不會在純電行駛下頻繁啟動,從而降低了油耗和排放,并且能夠徹底解決PHEV汽油蒸汽自由脫附難題。比亞迪dmi技術通過對發動機、電動機、電池等關鍵零部件的協同控制來實現對PHEV油耗性能和排放水平的優化,進而有效解決常壓油箱汽油蒸汽自由脫附的技術難題,做到了“一靜三得”。比亞迪網點大全>>