125V40a自動恒流充電機
新鄉市(shi)天(tian)恒(heng)電氣科技有限公(gong)司是從事高頻開關直流電源、相控直流電源、智能充放電機(ji)、蓄電池檢測設備、AGV智能充電系統(tong)、各類蓄電池組等系列產(chan)品研(yan)發、生(sheng)產(chan)的公(gong)司。
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1概述
智能充放電裝置是為蓄電池組專門設計的充放電設備,可對變(輸)電站、電廠等直流電源,鐵路機車、裝甲、坦克、車輛、發電車等車用鉛酸、鎘鎳、氫鎳和鐵鋰等蓄電池的維護、容量校對,從而提高電池的壽命,保證直流電源和機(ji)車車輛(liang)等設(she)備(bei)安全(quan)運行。該設(she)備(bei)采用(yong)(yong)(yong)可編(bian)程(cheng)控制(zhi)器(qi)作(zuo)為(wei)主控單(dan)元,7英寸彩(cai)色液晶(jing)觸摸屏作(zuo)為(wei)人機(ji)界面。主電(dian)(dian)(dian)路(lu)采用(yong)(yong)(yong)全(quan)橋全(quan)控電(dian)(dian)(dian)路(lu),觸發(fa)電(dian)(dian)(dian)路(lu)采用(yong)(yong)(yong)可編(bian)程(cheng)集(ji)成電(dian)(dian)(dian)路(lu),從脈沖(chong)的移相(xiang)、定寬、調(diao)(diao)制(zhi)均實現數字化(hua),觸發(fa)器(qi)部分不需(xu)要任何(he)調(diao)(diao)整,而且具有(you)可靠(kao)性高、脈沖(chong)對(dui)稱度(du)高、抗干擾能(neng)力強、反(fan)應(ying)速度(du)快等特點。采用(yong)(yong)(yong)可控硅(gui)有(you)源(yuan)逆變放(fang)電(dian)(dian)(dian)相(xiang)對(dui)于過去(qu)電(dian)(dian)(dian)阻放(fang)電(dian)(dian)(dian),具有(you)發(fa)熱(re)量小,電(dian)(dian)(dian)流(liu)恒定,節約能(neng)源(yuan)等優點。整套裝置操作(zuo)方便,工作(zuo)可靠(kao),保護齊全(quan),自(zi)動(dong)化(hua)程(cheng)度(du)高。具有(you)四(si)種(zhong)工作(zuo)模式:充電(dian)(dian)(dian)模式、放(fang)電(dian)(dian)(dian)模式、放(fang)-充模式和充-放(fang)-充循(xun)環模式,用(yong)(yong)(yong)戶(hu)可根據蓄電(dian)(dian)(dian)池(chi)的使用(yong)(yong)(yong)情況選(xuan)擇相(xiang)應(ying)模式對(dui)其進行維(wei)護保養充電(dian)(dian)(dian)。
本設(she)備為了提高充(chong)電(dian)機效(xiao)率,主變壓器(qi)分為兩路輸出,并能根據用(yong)戶所(suo)接蓄電(dian)池(chi)電(dian)壓的大(da)小(xiao),自動實(shi)現(xian)翻檔(dang)(dang)功(gong)能,無(wu)須人員(yuan)操(cao)作,具體:電(dian)池(chi)組(zu)電(dian)壓大(da)于(yu)80V時用(yong)高 檔(dang)(dang),低于(yu)80V時用(yong)低檔(dang)(dang)。
具有急(ji)(ji)停按鈕,緊急(ji)(ji)情況一鍵(jian)關機。
1.1額定參數
1、輸入電壓:AC 380V±10%三線四線制
2、輸出電(dian)壓:DC 0~165 V
3、輸(shu)出電流:DC 0~210A
4、放電電流:DC 0~210A
5、噪聲:≤60dB(關閉前后門1米處)
6、冷卻方(fang)式:自冷+風(feng)冷
7、外形尺寸:800X600X1800mm
1.2使用條件
1、海拔高(gao)度不高(gao)于2000m。
2、環境溫度不低于0℃,不高于+50℃。
3、空(kong)(kong)氣蕞大相(xiang)對濕(shi)度(du)不超過90%(在(zai)相(xiang)當于空(kong)(kong)氣溫度(du)20±5℃時)
4、運(yun)行地(di)點(dian)無(wu)(wu)導(dao)電及爆(bao)炸塵埃,無(wu)(wu)腐蝕(shi)金屬和破壞絕緣的氣體(ti)或(huo)蒸汽,無(wu)(wu)強電磁(ci)干擾(rao)。
5、空氣流通較(jiao)好的場所(suo)。
6、無劇烈(lie)振(zhen)動(dong)和沖擊(ji),垂直傾(qing)斜度不(bu)超(chao)過5o。
2工作原理
(1)工作原理見(jian)框圖
本裝(zhuang)置主電(dian)(dian)(dian)(dian)路(lu)(lu)采(cai)用(yong)三相全控橋式(shi)電(dian)(dian)(dian)(dian)路(lu)(lu),觸(chu)發電(dian)(dian)(dian)(dian)路(lu)(lu)采(cai)用(yong)數(shu)字電(dian)(dian)(dian)(dian)路(lu)(lu),交流電(dian)(dian)(dian)(dian)經整流后變為直(zhi)流電(dian)(dian)(dian)(dian)給電(dian)(dian)(dian)(dian)池(chi)(chi)組充(chong)電(dian)(dian)(dian)(dian),電(dian)(dian)(dian)(dian)池(chi)(chi)組電(dian)(dian)(dian)(dian)能經逆變后返送回電(dian)(dian)(dian)(dian)網。從而完成電(dian)(dian)(dian)(dian)池(chi)(chi)組的充(chong)電(dian)(dian)(dian)(dian)、放電(dian)(dian)(dian)(dian)過程。
觸發電路簡介:
該觸發電路以數字(zi)電路為基(ji)礎,對系統輸入(ru)的(de)反饋信(xin)(xin)號先 進行(xing)(xing)隔離放(fang)大,并與給定信(xin)(xin)號比較后,將(jiang)其誤差信(xin)(xin)號進行(xing)(xing)模擬(ni)轉換(huan)變換(huan)成數字(zi)信(xin)(xin)號,輸入(ru)送到(dao)邏(luo)(luo)輯(ji)(ji)處理(li)單元和(he)其他控制信(xin)(xin)號一同進行(xing)(xing)邏(luo)(luo)輯(ji)(ji)控制、實時計算、蕞終發出觸發脈(mo)沖。保(bao)證了脈(mo)沖的(de)準確性(xing)、可靠性(xing)。
原理框圖:
(2)設備功能
對蓄電(dian)(dian)池(chi)進行自動(dong)充放電(dian)(dian),并檢驗蓄電(dian)(dian)池(chi)儲電(dian)(dian)性(xing)能、激 活(huo)落(luo)后(hou)蓄電(dian)(dian)池(chi),以及蓄電(dian)(dian)池(chi)初充電(dian)(dian)時放電(dian)(dian)之用(yong)。
采(cai)用(yong)電壓法、時(shi)間法、容量法等多種方法綜(zong)合性地(di)判斷充放電工作(zuo)的完成,并自動關機,全數字控制,DSP處理器。
控(kong)制方式:可設置各(ge)類電池的充放電工(gong)藝(yi)程(cheng)式及參數自動控(kong)制,也(ye)可單步控(kong)制。
運(yun)行方(fang)式:恒流充(chong)電(dian)、脈(mo)沖充(chong)電(dian)、恒壓限(xian)流充(chong)電(dian)、恒流限(xian)壓放電(dian),靜電(dian)、循環等。
保護:具有過流、過壓、斷流及掉電數據保存,上電自動(dong)恢(hui)復運行,超溫保護等功能。
記(ji)錄(lu):具有(you)定(ding)時間,電壓,安時等階段(duan)轉換(huan)和(he)定(ding)時記(ji)錄(lu)運行數據和(he)曲線功能,記(ji)錄(lu)數據500條以上。
整流方式(shi)(shi):三相全控橋式(shi)(shi)整流。
采用(yong)工業級觸摸屏(ping),漢字顯示(shi),實時狀態,應具有完(wan)好(hao)的人機(ji)(ji)界(jie)面(mian),人機(ji)(ji)對(dui)話,操(cao)作(zuo)方(fang)便,顯示(shi)清晰(xi)易懂,集(ji)充(chong)電(dian)、放電(dian)、循環充(chong)放、脈沖、溫度補償等多種(zhong)工作(zuo)模式于一(yi)體,觸摸屏(ping)7英寸等可選(xuan)。
對(dui)電(dian)網(wang)無相序要求,A、B、C三相輸入任(ren)意接線。
充(chong)電中途充(chong)電連接線脫落自動關機;充(chong)、放電參數首 次(ci)設置好(hao)后,如(ru)以后充(chong)、放相同的蓄電池(chi),每(mei)次(ci)只需確認而無(wu)需重新設置。
具有(you)脈沖(chong)(chong)充電功(gong)能(能對落后蓄電池(chi)進行(xing)激(ji) 活(huo)),脈沖(chong)(chong)寬度、幅(fu)度可(ke)變、可(ke)設置。
具有溫(wen)度補償(chang)功能,即充電機可以根據環境(jing)溫(wen)度變化和蓄電池(chi)特性曲(qu)線調整(zheng)充電電壓。
放電(dian)時電(dian)能反饋到電(dian)網,實現清潔(jie)環 保。
用戶可在充、放電工作過程(cheng)中對所有的參數工藝參數進(jin)行查看,避免誤操作;
具有(you)掉電(dian)存儲(chu)功能,來電(dian)自動恢(hui)復到(dao)掉電(dian)前工(gong)作狀(zhuang)態,實現(xian)無人值(zhi)守(shou);
具(ju)有(you)暫停功能,確(que)保連續運行。
具(ju)有(you)手動操作、微機(ji)控制、觸摸屏控制、PC機(ji)操作等多種操作方式(shi)。
放(fang)(fang)(fang)電(dian)(dian)(dian)全過程為恒流(liu)放(fang)(fang)(fang)電(dian)(dian)(dian)。當放(fang)(fang)(fang)電(dian)(dian)(dian)電(dian)(dian)(dian)時(shi)間(jian)到(dao)達設(she)(she)(she)定的(de)放(fang)(fang)(fang)電(dian)(dian)(dian)時(shi)間(jian)值、電(dian)(dian)(dian)池組電(dian)(dian)(dian)壓降到(dao)設(she)(she)(she)定放(fang)(fang)(fang)電(dian)(dian)(dian)結束電(dian)(dian)(dian)壓值或放(fang)(fang)(fang)出容(rong)量大(da)于設(she)(she)(she)置值時(shi),設(she)(she)(she)備(bei)將自動停機(ji),放(fang)(fang)(fang)電(dian)(dian)(dian)結束,確保(bao)設(she)(she)(she)備(bei)及電(dian)(dian)(dian)池的(de)安
全運行。
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