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大功率充電機的微機控制器軟件設計

2019/4/26 9:51:19??????點擊:
該(gai)大功率智(zhi)能充電(dian)機(ji)具(ju)(ju)有恒(heng)壓(ya)限流(liu)(liu)、恒(heng)流(liu)(liu)限壓(ya)、智(zhi)能充電(dian)、放電(dian)等控(kong)制(zhi)模式。根據充電(dian)機(ji)需要(yao)具(ju)(ju)備的功能,確(que)定軟件需要(yao)實現(xian)的功能,編制(zhi)流(liu)(liu)程圖和代(dai)碼。 
· 恒壓限流充電模(mo)式(shi) 
采用恒(heng)(heng)壓(ya)限流(liu)(liu)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)方(fang)式,由于開始(shi)時蓄電(dian)(dian)(dian)(dian)池電(dian)(dian)(dian)(dian)壓(ya)低(di),若以大電(dian)(dian)(dian)(dian)流(liu)(liu)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian),有損(sun)電(dian)(dian)(dian)(dian)池壽命(ming),因此可以先采取恒(heng)(heng)流(liu)(liu)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)方(fang)式,軟件設定(ding)(ding)(ding)初始(shi)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)流(liu)(liu),例如15A,在恒(heng)(heng)定(ding)(ding)(ding)電(dian)(dian)(dian)(dian)流(liu)(liu)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)方(fang)式下,充(chong)(chong)(chong)到輸(shu)出(chu)(chu)電(dian)(dian)(dian)(dian)壓(ya)達到設定(ding)(ding)(ding)的電(dian)(dian)(dian)(dian)池組端電(dian)(dian)(dian)(dian)壓(ya)值。然后,輸(shu)出(chu)(chu)電(dian)(dian)(dian)(dian)壓(ya)維持恒(heng)(heng)定(ding)(ding)(ding)不變(bian),隨著充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)進(jin)行,充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)流(liu)(liu)逐漸減小,當充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)流(liu)(liu)下降到程(cheng)序設定(ding)(ding)(ding)的較小的數值時,例如2A,充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)機維持這(zhe)個設定(ding)(ding)(ding)的小電(dian)(dian)(dian)(dian)流(liu)(liu)進(jin)行恒(heng)(heng)定(ding)(ding)(ding)電(dian)(dian)(dian)(dian)流(liu)(liu)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian),即為(wei)涓流(liu)(liu)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian),以此實現(xian)無(wu)人(ren)值守。 
· 恒流自動充(chong)電 
采(cai)用恒流(liu)限壓(ya)(ya)方式(shi),需要人工設(she)定(ding)充(chong)電(dian)電(dian)流(liu)和(he)限定(ding)電(dian)壓(ya)(ya)。充(chong)電(dian)機以(yi)恒定(ding)電(dian)流(liu)充(chong)電(dian),電(dian)池組端電(dian)壓(ya)(ya)達到限定(ding)電(dian)壓(ya)(ya)時充(chong)電(dian)結(jie)束(shu),可以(yi)無人值守(shou)。 
恒(heng)流(liu)(liu)限(xian)時(shi)實現方式為:人工設定(ding)分(fen)段恒(heng)流(liu)(liu)充電(dian)的電(dian)流(liu)(liu)和時(shi)間,程序設定(ding)電(dian)流(liu)(liu)轉換的時(shi)刻,自動轉接(jie)到下一步低檔充電(dian)電(dian)流(liu)(liu),充電(dian)終止的判據為設定(ding)的總體時(shi)間。 
· 智(zhi)能控制自動充電 
應用du/dt 和di/dt 技術,動態跟蹤電池可接受的充電電流。充電系統由充電機和電池組成二元閉環回路,充電機根據電池的狀態確定充電工藝參數,充電電流自始自終在電池的可接受充電電流曲線附近。上海施能電器(qi)設(she)備有限公司始建于1984年,上海市高新技術企業,中國工業車輛優秀配套供應商,上海電器行業名優產品,主要生產工頻系列充電機,高頻系列充電機,鋰電池充電機系列放電機系列充放電機等電器產品。
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