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汽車電瓶如何充電

2019/5/14 9:18:19??????點擊:

      給(gei)汽(qi)車蓄(xu)電(dian)池充電(dian)分新電(dian)池初次充電(dian)和之后充電(dian)兩種情況。現(xian)在汽(qi)車新蓄(xu)電(dian)池一般(ban)不需要充電(dian)。

  充電原理

  充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)原理是充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)高(gao)于(yu)電(dian)(dian)(dian)(dian)(dian)(dian)池的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya),才能(neng)夠(gou)充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian),二(er)者之間(jian)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)動勢差越(yue)大(da),充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)越(yue)快,充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)流越(yue)大(da),所以一般的(de)(de)24V充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)最大(da)(空載)為28V,而60A是說(shuo)的(de)(de)最大(da)出力能(neng)力,而你充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)時(shi),充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)已經有(you)了負載,這時(shi)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)時(shi)為電(dian)(dian)(dian)(dian)(dian)(dian)瓶正在充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya),40A的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)流為充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)流,這個電(dian)(dian)(dian)(dian)(dian)(dian)流會(hui)隨著充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)完成越(yue)來越(yue)小(xiao)(xiao)。另外(wai),充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)流的(de)(de)大(da)小(xiao)(xiao)和(he)電(dian)(dian)(dian)(dian)(dian)(dian)瓶的(de)(de)容量(liang)大(da)小(xiao)(xiao)也(ye)是有(you)關(guan)系的(de)(de)。

 

  汽車新電瓶充電方法

  將(jiang)電池正(zheng)極接(jie)電源正(zheng)極,電池負(fu)極接(jie)電源負(fu)極

  初次充電(dian)(dian)分兩個階段進行:首先用初次充電(dian)(dian)電(dian)(dian)流(liu)充到電(dian)(dian)解(jie)液(ye)(ye)(ye)放(fang)(fang)出氣(qi)泡,單(dan)格電(dian)(dian)壓升到2.3—2.4V為(wei)(wei)止(zhi)。然后將電(dian)(dian)流(liu)降(jiang)為(wei)(wei)1/2初充電(dian)(dian)電(dian)(dian)流(liu),繼續充到電(dian)(dian)解(jie)液(ye)(ye)(ye)放(fang)(fang)出劇烈(lie)的(de)氣(qi)泡,比征和電(dian)(dian)壓連續3h穩定(ding)不(bu)(bu)變為(wei)(wei)止(zhi)。全(quan)部充電(dian)(dian)時間約為(wei)(wei)45—65h。溫度控制在35—40℃,初次充電(dian)(dian)完畢時,若電(dian)(dian)解(jie)液(ye)(ye)(ye)比重(zhong)不(bu)(bu)合規定(ding),應用蒸餾水或比重(zhong)為(wei)(wei)1.4的(de)電(dian)(dian)解(jie)液(ye)(ye)(ye)進行調整。調整后再充電(dian)(dian)2h,直(zhi)至比重(zhong)符合規定(ding)時為(wei)(wei)止(zhi)。

  新蓄電(dian)池第一(yi)次充(chong)電(dian)后(hou)往(wang)往(wang)達不(bu)到(dao)容量(liang)(liang),應進行放(fang)電(dian)循環(huan)。用(yong)20h時放(fang)電(dian)率放(fang)電(dian)(即用(yong)額(e)定容量(liang)(liang)1/20的電(dian)流放(fang)電(dian)至單格(ge)電(dian)壓降到(dao)1.75V為止),然后(hou)再補充(chong)充(chong)電(dian)電(dian)流直至充(chong)足,經過一(yi)次充(chong)、放(fang)電(dian)循環(huan)若容量(liang)(liang)仍低(di)于額(e)定容量(liang)(liang)的90%,應再進行一(yi)次充(chong)、放(fang)電(dian)循環(huan)。

  注意(yi)怎(zen)樣判斷新車蓄電池是否充電完畢,判斷新電池充電完畢三部曲:

  (1) 如果電解(jie)液(ye)"沸騰",同時出現氣泡,那么表明(ming)充(chong)電完畢。

  (2) 測量單格電(dian)池電(dian)壓(ya)值(zhi)大(da)小(xiao),如果(guo)電(dian)壓(ya)3秒內(nei)不波動,達2.7V,那么表明充電(dian)完畢(bi)。

  (3) 測量電解(jie)液的相對密度,如密度3h內不(bu)再波動,達最(zui)大值,那么表示充電完畢(bi)。

  使用中汽車蓄電瓶定期補充充電

  步驟如下:

  (1)先用蒸餾(liu)水或蓄電(dian)(dian)池(chi)專用補充液(ye)將蓄電(dian)(dian)池(chi)的(de)液(ye)面調整到規(gui)定高(gao)度。

  (2)充電(dian)(dian)(dian)前按照充電(dian)(dian)(dian)設備的額(e)定電(dian)(dian)(dian)壓和額(e)定電(dian)(dian)(dian)流將要充電(dian)(dian)(dian)的蓄電(dian)(dian)(dian)池連(lian)接起來。串聯在一(yi)路(lu)的蓄電(dian)(dian)(dian)池的總(zong)電(dian)(dian)(dian)壓不能大于充電(dian)(dian)(dian)設備的額(e)定電(dian)(dian)(dian)壓。

  (3)定電(dian)(dian)流(liu)(liu)充電(dian)(dian)的(de)充電(dian)(dian)電(dian)(dian)流(liu)(liu)是根(gen)據蓄電(dian)(dian)池的(de)容量來選擇(ze)的(de)。定電(dian)(dian)流(liu)(liu)充電(dian)(dian)分(fen)兩(liang)個(ge)階(jie)(jie)段進行。階(jie)(jie)段一的(de)充電(dian)(dian)電(dian)(dian)流(liu)(liu)是蓄電(dian)(dian)池額定容量的(de)十(shi)分(fen)之一,階(jie)(jie)段二(er)的(de)充電(dian)(dian)電(dian)(dian)流(liu)(liu)是蓄電(dian)(dian)池額定容量的(de)二(er)十(shi)分(fen)之一。

  (4)蓄(xu)電(dian)池充完(wan)電(dian)后,檢查蓄(xu)電(dian)池的(de)電(dian)解液(ye)的(de)密度(du)。如(ru)電(dian)解液(ye)密度(du)不符合(he)要求(qiu),可先將原格內的(de)電(dian)解液(ye)到出一些;如(ru)原密度(du)過小,可再加入相對(dui)密度(du)的(de)濃電(dian)解液(ye);如(ru)原密度(du)過大(da),可加入蒸餾水稀釋。調(diao)整(zheng)后液(ye)面高度(du)應符合(he)規定。


  有(you)的車主認為,快速(su)(su)充(chong)(chong)電(dian)可(ke)以(yi)節省(sheng)時間,只需要3-5個小時。其(qi)實不然,快速(su)(su)充(chong)(chong)電(dian)只是迅速(su)(su)把電(dian)池(chi)表(biao)面激活,而(er)實際上(shang)電(dian)池(chi)內部是沒有(you)完(wan)全充(chong)(chong)滿電(dian)的。除了快速(su)(su)充(chong)(chong)電(dian)之外,還有(you)一(yi)種為慢(man)(man)充(chong)(chong)電(dian),充(chong)(chong)電(dian)時間為10-15個小時,那些(xie)深虧電(dian)池(chi)就必須進行慢(man)(man)充(chong)(chong)電(dian),否則充(chong)(chong)電(dian)時間不夠,充(chong)(chong)電(dian)量不足(zu),會直接影響(xiang)到汽車的行駛性能。雖說充(chong)(chong)電(dian)是個相當簡單的操作,但也有(you)一(yi)些(xie)注(zhu)意(yi)事項:

  1.向(xiang)鉛酸(suan)蓄電池充(chong)電時,要穿上保護衣。

  2.充(chong)電時,汽車蓄電池附近不能(neng)有(you)火花(hua),禁止抽煙(yan)。

  3.對一個(ge)(ge)或對多個(ge)(ge)汽車蓄電(dian)池并聯充電(dian)時(shi),充電(dian)器電(dian)壓不要超(chao)過16v 

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