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汽車電瓶如何充電

2019/5/14 9:18:19??????點擊:

      給汽車(che)蓄電(dian)池(chi)充(chong)(chong)電(dian)分新電(dian)池(chi)初次充(chong)(chong)電(dian)和之后(hou)充(chong)(chong)電(dian)兩種情況。現在(zai)汽車(che)新蓄電(dian)池(chi)一般不需要充(chong)(chong)電(dian)。

  充電原理

  充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)原理是充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)高于電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya),才能夠充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian),二者之間(jian)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)動勢差越(yue)(yue)大(da)(da),充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)越(yue)(yue)快,充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)越(yue)(yue)大(da)(da),所以一般的(de)(de)(de)24V充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)最(zui)大(da)(da)(空載)為28V,而60A是說的(de)(de)(de)最(zui)大(da)(da)出力能力,而你充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)時,充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)已經有了負載,這時的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)時為電(dian)(dian)(dian)(dian)(dian)(dian)瓶正在(zai)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya),40A的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)為充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu),這個(ge)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)會隨著充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)完成越(yue)(yue)來越(yue)(yue)小。另外(wai),充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)的(de)(de)(de)大(da)(da)小和(he)電(dian)(dian)(dian)(dian)(dian)(dian)瓶的(de)(de)(de)容量大(da)(da)小也是有關系的(de)(de)(de)。

 

  汽車新電瓶充電方法

  將電(dian)(dian)池正極(ji)(ji)(ji)接電(dian)(dian)源正極(ji)(ji)(ji),電(dian)(dian)池負極(ji)(ji)(ji)接電(dian)(dian)源負極(ji)(ji)(ji)

  初次充(chong)電(dian)(dian)(dian)(dian)分兩個(ge)階段進(jin)行:首先用初次充(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)流充(chong)到(dao)電(dian)(dian)(dian)(dian)解液(ye)(ye)放(fang)出氣泡(pao),單格電(dian)(dian)(dian)(dian)壓升到(dao)2.3—2.4V為(wei)(wei)止(zhi)。然后將電(dian)(dian)(dian)(dian)流降為(wei)(wei)1/2初充(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)流,繼續(xu)充(chong)到(dao)電(dian)(dian)(dian)(dian)解液(ye)(ye)放(fang)出劇烈(lie)的(de)氣泡(pao),比(bi)征和電(dian)(dian)(dian)(dian)壓連續(xu)3h穩定不(bu)變為(wei)(wei)止(zhi)。全部充(chong)電(dian)(dian)(dian)(dian)時間(jian)約為(wei)(wei)45—65h。溫度控制在(zai)35—40℃,初次充(chong)電(dian)(dian)(dian)(dian)完畢時,若電(dian)(dian)(dian)(dian)解液(ye)(ye)比(bi)重不(bu)合(he)規定,應用蒸(zheng)餾水或比(bi)重為(wei)(wei)1.4的(de)電(dian)(dian)(dian)(dian)解液(ye)(ye)進(jin)行調整。調整后再充(chong)電(dian)(dian)(dian)(dian)2h,直(zhi)至比(bi)重符(fu)合(he)規定時為(wei)(wei)止(zhi)。

  新(xin)蓄(xu)電(dian)池第一(yi)次(ci)充電(dian)后往(wang)往(wang)達不到容(rong)量,應進(jin)行放(fang)電(dian)循環(huan)。用(yong)20h時放(fang)電(dian)率放(fang)電(dian)(即(ji)用(yong)額定容(rong)量1/20的電(dian)流放(fang)電(dian)至(zhi)單格(ge)電(dian)壓降到1.75V為止),然后再補充充電(dian)電(dian)流直至(zhi)充足,經過一(yi)次(ci)充、放(fang)電(dian)循環(huan)若容(rong)量仍(reng)低于額定容(rong)量的90%,應再進(jin)行一(yi)次(ci)充、放(fang)電(dian)循環(huan)。

  注意怎樣(yang)判(pan)斷新車蓄電池是(shi)否充電完(wan)畢(bi),判(pan)斷新電池充電完(wan)畢(bi)三部(bu)曲(qu):

  (1) 如果電解(jie)液(ye)"沸騰(teng)",同時出現氣泡,那么表(biao)明充(chong)電完畢。

  (2) 測量單格電池(chi)電壓值(zhi)大小,如果電壓3秒內(nei)不波(bo)動,達(da)2.7V,那么表(biao)明充電完畢。

  (3) 測量(liang)電解液的(de)相對密度,如密度3h內不(bu)再(zai)波動,達最大值,那么表示充電完(wan)畢。

  使用中汽車蓄電瓶定期補充充電

  步驟(zou)如(ru)下:

  (1)先用蒸餾水或蓄(xu)電(dian)(dian)池專(zhuan)用補充液(ye)將蓄(xu)電(dian)(dian)池的(de)液(ye)面調整到規定高度。

  (2)充(chong)(chong)電(dian)前按照充(chong)(chong)電(dian)設(she)備(bei)的額定(ding)電(dian)壓和額定(ding)電(dian)流將(jiang)要充(chong)(chong)電(dian)的蓄(xu)電(dian)池連接起來。串聯在一(yi)路的蓄(xu)電(dian)池的總電(dian)壓不能(neng)大于充(chong)(chong)電(dian)設(she)備(bei)的額定(ding)電(dian)壓。

  (3)定(ding)電(dian)(dian)流(liu)充(chong)電(dian)(dian)的(de)(de)(de)充(chong)電(dian)(dian)電(dian)(dian)流(liu)是根據蓄電(dian)(dian)池的(de)(de)(de)容量來選擇的(de)(de)(de)。定(ding)電(dian)(dian)流(liu)充(chong)電(dian)(dian)分兩(liang)個階段(duan)進(jin)行。階段(duan)一(yi)(yi)的(de)(de)(de)充(chong)電(dian)(dian)電(dian)(dian)流(liu)是蓄電(dian)(dian)池額(e)定(ding)容量的(de)(de)(de)十(shi)(shi)分之(zhi)(zhi)一(yi)(yi),階段(duan)二的(de)(de)(de)充(chong)電(dian)(dian)電(dian)(dian)流(liu)是蓄電(dian)(dian)池額(e)定(ding)容量的(de)(de)(de)二十(shi)(shi)分之(zhi)(zhi)一(yi)(yi)。

  (4)蓄(xu)電池(chi)充(chong)完電后,檢查蓄(xu)電池(chi)的電解(jie)液(ye)的密度(du)。如(ru)電解(jie)液(ye)密度(du)不符合(he)要求,可(ke)先將(jiang)原(yuan)格內的電解(jie)液(ye)到出一些;如(ru)原(yuan)密度(du)過(guo)小(xiao),可(ke)再加入相對密度(du)的濃電解(jie)液(ye);如(ru)原(yuan)密度(du)過(guo)大,可(ke)加入蒸餾水稀釋。調整后液(ye)面(mian)高度(du)應符合(he)規(gui)定。


  有的(de)(de)車主認(ren)為(wei),快速(su)(su)充電(dian)(dian)(dian)可以節省時(shi)(shi)(shi)間,只需要3-5個(ge)(ge)(ge)小時(shi)(shi)(shi)。其實(shi)不(bu)然,快速(su)(su)充電(dian)(dian)(dian)只是(shi)迅(xun)速(su)(su)把電(dian)(dian)(dian)池(chi)表(biao)面激活,而實(shi)際上電(dian)(dian)(dian)池(chi)內部是(shi)沒(mei)有完全充滿(man)電(dian)(dian)(dian)的(de)(de)。除了(le)快速(su)(su)充電(dian)(dian)(dian)之外,還有一種為(wei)慢充電(dian)(dian)(dian),充電(dian)(dian)(dian)時(shi)(shi)(shi)間為(wei)10-15個(ge)(ge)(ge)小時(shi)(shi)(shi),那些深虧電(dian)(dian)(dian)池(chi)就必須進行慢充電(dian)(dian)(dian),否則(ze)充電(dian)(dian)(dian)時(shi)(shi)(shi)間不(bu)夠,充電(dian)(dian)(dian)量不(bu)足(zu),會直(zhi)接(jie)影(ying)響到汽車的(de)(de)行駛(shi)性能。雖說充電(dian)(dian)(dian)是(shi)個(ge)(ge)(ge)相當簡單(dan)的(de)(de)操作(zuo),但也(ye)有一些注意事項:

  1.向鉛(qian)酸蓄電(dian)池充電(dian)時,要穿上(shang)保護衣。

  2.充電時,汽車蓄電池(chi)附近不(bu)能有火花,禁止抽煙。

  3.對(dui)一個或對(dui)多個汽車蓄電(dian)(dian)池(chi)并聯充(chong)電(dian)(dian)時,充(chong)電(dian)(dian)器電(dian)(dian)壓不(bu)要超(chao)過16v 

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