蓄電池修復是真的嗎
隨著電力供配電行業,通信、通訊行業及電動車輛的發展,也帶動了為其配套的電源--蓄電池行業的發展和技術上的進步與創新。由于鉛酸蓄電池具有優異的性價比,所以目前國內外市場上除了便攜式電子產品外,為電動車輛、UPS系(xi)統、電訊設施(電信(xin)中心,衛星地面站(zhan))、內(nei)燃機車、汽車、電站(zhan)、變電站(zhan)、應急電源、船舶及無電區光(guang)明工程(cheng)的儲(chu)能電源等95%以上都是使用的鉛酸蓄電池。
型(xing)號不(bu)同、使用(yong)(yong)(yong)(yong)環境條(tiao)件(jian)不(bu)同的(de)(de)電(dian)(dian)(dian)池,其(qi)設(she)計(ji)使用(yong)(yong)(yong)(yong)壽(shou)命也不(bu)同。如固定(ding)型(xing)排(pai)氣式(shi)(shi)的(de)(de)鉛(qian)酸蓄電(dian)(dian)(dian)池在20℃~25℃,浮充充電(dian)(dian)(dian)條(tiao)件(jian)下使用(yong)(yong)(yong)(yong)其(qi)壽(shou)命有15年(nian);VRLA鉛(qian)酸蓄電(dian)(dian)(dian)池在浮充電(dian)(dian)(dian)條(tiao)件(jian)下使用(yong)(yong)(yong)(yong)其(qi)壽(shou)命在5~10年(nian);牽(qian)引型(xing)(動(dong)(dong)(dong)力型(xing))排(pai)氣式(shi)(shi)鉛(qian)酸蓄電(dian)(dian)(dian)池壽(shou)命為1500周次;動(dong)(dong)(dong)力型(xing)VRLA鉛(qian)酸蓄電(dian)(dian)(dian)池壽(shou)命為700次左右;電(dian)(dian)(dian)動(dong)(dong)(dong)自行車、電(dian)(dian)(dian)動(dong)(dong)(dong)摩托車、電(dian)(dian)(dian)動(dong)(dong)(dong)三(san)輪車配套(tao)(tao)的(de)(de)鉛(qian)酸蓄電(dian)(dian)(dian)池壽(shou)命只(zhi)有350周次左右,即一年(nian);汽車上配套(tao)(tao)的(de)(de)點火,照明(ming),起(qi)動(dong)(dong)(dong)用(yong)(yong)(yong)(yong)的(de)(de)VRLA鉛(qian)酸蓄電(dian)(dian)(dian)池一般壽(shou)命為3~5年(nian);所以(yi)鉛(qian)酸蓄電(dian)(dian)(dian)池的(de)(de)修復對于(yu)市場占有量最大(da),使用(yong)(yong)(yong)(yong)頻率(lv)最高(gao),使用(yong)(yong)(yong)(yong)范圍最廣、壽(shou)命較短且易出(chu)現早期失效的(de)(de)鉛(qian)酸蓄電(dian)(dian)(dian)池是主要工作的(de)(de)對象。這些易出(chu)現早期失效的(de)(de)電(dian)(dian)(dian)池對其(qi)修復后可以(yi)再次提(ti)交使用(yong)(yong)(yong)(yong),因此大(da)大(da)的(de)(de)延長了電(dian)(dian)(dian)池的(de)(de)使用(yong)(yong)(yong)(yong)壽(shou)命,達(da)到了既環保(bao)又節(jie)約節(jie)能(neng)的(de)(de)目(mu)的(de)(de)。
蓄電池壞損修復的方法
一、電瓶檢測
第一步(bu)、檢查蓄(xu)電池外表狀態:
檢查(cha)蓄(xu)電(dian)池(chi)外形是(shi)否完(wan)好。檢查(cha)蓄(xu)電(dian)池(chi)外殼是(shi)否凸出、漏夜(ye)、斷隔、電(dian)瓶(ping)接線端子腐蝕(shi)等,如果有這種現象,說明(ming)電(dian)瓶(ping)已經壞(huai)死;
第二步(bu)、檢查(cha)蓄(xu)電池電壓是否正常:
1、在(zai)充電(dian)(dian)進行時(二個小(xiao)時后),分(fen)三次(ci)檢測每(mei)節單(dan)塊電(dian)(dian)瓶的電(dian)(dian)壓,每(mei)次(ci)間隔20分鐘,如(ru)果有單(dan)塊電池的(de)電壓超過15V的,意(yi)味(wei)電瓶硫(liu)化;如果電壓始終達不到13V以上的(de),說明這節電(dian)瓶短路或單格落后(hou);
2、在放(fang)電進行時,用萬用表分三次測量每節單體電瓶(ping)的電壓,每次間隔10分鐘,如(ru)果(guo)某單(dan)塊電(dian)瓶的(de)電(dian)壓下(xia)降的(de)比(bi)其他幾節(jie)電(dian)瓶快,并且低于10V,加上(shang)這(zhe)節(jie)電(dian)池放(fang)電(dian)時(shi)間最短,那么這(zhe)節(jie)電(dian)池就是問題電(dian)池。
3、檢測單塊電(dian)(dian)瓶的靜態電(dian)(dian)壓(浮電(dian)(dian))。當電(dian)(dian)壓為零時,有兩種可(ke)能:一種是電(dian)(dian)瓶完全斷路,電(dian)(dian)路不(bu)通(tong),電(dian)(dian)壓為零;另一種就是電(dian)(dian)瓶放置時間過長(chang),電(dian)(dian)壓低(di)至1-2V,甚(shen)至為零(ling)。
第三步、檢查蓄電池電解液是否“失水”、發黑:
檢(jian)查電解液是否變質或“失水”。對蓄電池充電3-6個小(xiao)時(shi)后,用手觸觸摸(mo)每(mei)節電瓶外殼側(ce)面,如(ru)(ru)果(guo)電瓶發(fa)熱燙手,這節電池(chi)已經壞死(si);如(ru)(ru)果(guo)只是(shi)發(fa)熱,溫度在40度左右,同時充電時充電器一(yi)直(zhi)亮著紅燈,說(shuo)明電池嚴(yan)重“失(shi)水”;另外也可以打(da)開電瓶(ping)的(de)蓋(gai)子,檢查“失(shi)水”狀態(tai)。
二、蓄電池修復方法技術
1、脈沖修(xiu)復法:
蓄電池消除(chu)硫化(hua)比較好的方(fang)法就是采用脈沖修(xiu)復法。在修(xiu)復蓄電池時,脈沖的瞬間電壓一般根據產品所體現的功能需要,采取的瞬間電壓為60V—300V之間,如(ru)用于蓄(xu)(xu)電(dian)(dian)(dian)(dian)池(chi)(chi)延壽的產(chan)品脈(mo)(mo)(mo)(mo)沖(chong)電(dian)(dian)(dian)(dian)壓(ya)(ya)值就不益過大(da),專門由于蓄(xu)(xu)電(dian)(dian)(dian)(dian)池(chi)(chi)修復(fu)(fu)產(chan)品的脈(mo)(mo)(mo)(mo)沖(chong)電(dian)(dian)(dian)(dian)壓(ya)(ya)值就可以偏(pian)大(da)(如(ru)果脈(mo)(mo)(mo)(mo)沖(chong)電(dian)(dian)(dian)(dian)壓(ya)(ya)值太大(da)對(dui)電(dian)(dian)(dian)(dian)池(chi)(chi)極板會造成損傷(shang)),脈(mo)(mo)(mo)(mo)沖(chong)電(dian)(dian)(dian)(dian)壓(ya)(ya)高(gao),蓄(xu)(xu)電(dian)(dian)(dian)(dian)池(chi)(chi)修復(fu)(fu)時間短,脈(mo)(mo)(mo)(mo)沖(chong)電(dian)(dian)(dian)(dian)壓(ya)(ya)低,蓄(xu)(xu)電(dian)(dian)(dian)(dian)池(chi)(chi)修復(fu)(fu)時間相對(dui)就長(chang),盡管脈(mo)(mo)(mo)(mo)沖(chong)瞬間電(dian)(dian)(dian)(dian)壓(ya)(ya)很高(gao),但平均(jun)電(dian)(dian)(dian)(dian)壓(ya)(ya)并不高(gao),對(dui)人體(ti)沒有(you)傷(shang)害,十分安(an)全(quan)。
市場上(shang)有(you)專門(men)的(de)脈(mo)(mo)沖(chong)發生器(qi)銷售,但要(yao)注意選擇效(xiao)果(guo)(guo)好的(de)一(yi)種。脈(mo)(mo)沖(chong)與蓄(xu)電池極(ji)板的(de)諧振(zhen)很重要(yao),這(zhe)就取決與脈(mo)(mo)沖(chong)頻(pin)率(lv)大小、幅(fu)度(du)寬(kuan)窄,脈(mo)(mo)沖(chong)頻(pin)率(lv)和(he)幅(fu)度(du)不夠就達(da)不到消(xiao)除硫(liu)酸結晶的(de)效(xiao)果(guo)(guo),頻(pin)率(lv)和(he)幅(fu)度(du)太大則會出現消(xiao)除了(le)硫(liu)化而損傷了(le)電極(ji)板,并(bing)出現析氣現象;同時,脈(mo)(mo)沖(chong)波形也(ye)有(you)很多種,在(zai)示波器(qi)上(shang)可(ke)以顯示。
2、強電(dian)修(xiu)復(fu)法:
強電(dian)(dian)(dian)修(xiu)復法(fa)就是(shi)采取充電(dian)(dian)(dian)時(shi)的(de)(de)持久(jiu)高電(dian)(dian)(dian)壓(ya)或大電(dian)(dian)(dian)流修(xiu)復蓄電(dian)(dian)(dian)池的(de)(de)方法(fa),多在脈沖修(xiu)復法(fa)效(xiao)果(guo)不明顯(xian)時(shi)采用(yong)。其一、高電(dian)(dian)(dian)壓(ya)修(xiu)復法(fa):這種(zhong)方法(fa)主要是(shi)采取電(dian)(dian)(dian)池標稱電(dian)(dian)(dian)壓(ya)的(de)(de)1.3-1.5倍的充電(dian)電(dian)壓修復(fu)電(dian)池,如(ru)36V蓄電(dian)(dian)池(chi)在(zai)充電(dian)(dian)電(dian)(dian)流(liu)不變或(huo)接近(jin)的條件(jian)下,采用48V的充(chong)電(dian)(dian)器進行充(chong)電(dian)(dian),充(chong)電(dian)(dian)時間(jian)要掌握分寸(cun),不易(yi)過長,否則電(dian)(dian)池會因析氣(qi)發熱。
3、全(quan)充全(quan)放電(dian)修復法:
全(quan)充全(quan)放(fang)電(dian)(dian)修(xiu)復(fu)法(fa)就是對蓄(xu)(xu)電(dian)(dian)池(chi)采(cai)取完(wan)(wan)全(quan)充滿電(dian)(dian)后,再完(wan)(wan)全(quan)的(de)(de)放(fang)電(dian)(dian)修(xiu)復(fu)蓄(xu)(xu)電(dian)(dian)池(chi)的(de)(de)方(fang)法(fa)。全(quan)充全(quan)放(fang)電(dian)(dian)修(xiu)復(fu)法(fa)主要(yao)是對輕(qing)度(du)損傷的(de)(de)蓄(xu)(xu)電(dian)(dian)池(chi)具有(you)一定的(de)(de)修(xiu)復(fu)作用,同時此方(fang)法(fa)還可以(yi)有(you)效的(de)(de)激活電(dian)(dian)瓶深(shen)層的(de)(de)活性物質,提高蓄(xu)(xu)電(dian)(dian)池(chi)容(rong)量。
4、補(bu)水修(xiu)復(fu)法(fa):
對蓄電(dian)池“失水”采取補水的方法便可修復,其目的是稀釋濃度提高的硫酸正常進行電解反應。補水方法上較為簡單,只用打開蓄電池上蓋,可以看見有六個圓孔,向每個圓孔注射一定量的蒸餾水,再浸泡24小時(shi)以上就可以了(le)。
5、重新配(pei)組(zu)修復(fu)法:
電動車電池一般是由幾節電池串聯而成的電池組,電池壞損是多方面的,可能電池會同時存在幾個方面的損傷:對于硫化的電瓶,修復后使用效果較好;但是對于極板軟化以及斷隔的電瓶,即時可以修復,因屬物理硬傷,可再利用價值不大,修復后的使用時間也極短,再修復的效果將會更差。
蓄電池修復方法
1、電池串聯修復法:這種方法是當單節電池標稱電壓低于12V時就可以采用這個辦法。例如,市面上有可以充電應急燈而常常采用的6V 4Ah的蓄電池,而測試儀單路輸出為12V,這時就可以串聯兩個6V 電池,把它們接入測試儀進行硫修復。
2、輸出組合法:對于那(nei)種放了很(hen)久的(de)(de)(de)(de)電(dian)(dian)池(chi)或者說自(zi)放電(dian)(dian)很(hen)嚴重(zhong)以及硫化很(hen)嚴重(zhong)的(de)(de)(de)(de)電(dian)(dian)池(chi),我們不能(neng)采用補水和充電(dian)(dian)恢復(fu)的(de)(de)(de)(de)方法了。而輸出組合法對嚴重(zhong)硫化的(de)(de)(de)(de)電(dian)(dian)池(chi)效果(guo)比較好,在(zai)使(shi)用這(zhe)個方法時,充電(dian)(dian)電(dian)(dian)流(liu)最好是(shi)5A。因為修復(fu)功能(neng)的(de)(de)(de)(de)疊加,修復(fu)負脈沖電(dian)(dian)流(liu)大于正脈,選(xuan)擇5A是(shi)為了彌補由此而產生的(de)(de)(de)(de)充電(dian)(dian)電(dian)(dian)流(liu)的(de)(de)(de)(de)抵(di)消。
3、活化充電法:其實蓄電(dian)(dian)池(chi)在(zai)存(cun)儲或者是(shi)(shi)(shi)使用期間(jian),我(wo)們可(ke)以定(ding)期給(gei)它(ta)進行活(huo)化充(chong)電(dian)(dian),也就是(shi)(shi)(shi)所謂的(de)均衡充(chong)電(dian)(dian),這樣對蓄電(dian)(dian)池(chi)不可(ke)逆硫化是(shi)(shi)(shi)很有幫助的(de),因為就可(ke)以延(yan)長(chang)蓄電(dian)(dian)池(chi)的(de)壽命,是(shi)(shi)(shi)很提倡(chang)的(de)做法。我(wo)們在(zai)一般情況下(xia),使用測試儀(yi)定(ding)期對電(dian)(dian)池(chi)充(chong)電(dian)(dian)—放電(dian)(dian)—充(chong)電(dian)(dian)就可(ke)以了。
4、加熱法:對于那種(zhong)放的(de)很(hen)久的(de)電(dian)池(chi),電(dian)解液自(zi)然就(jiu)(jiu)成嚴重干涸的(de)狀態。如果顧客急需要(yao)修復(fu)的(de)話,就(jiu)(jiu)可以采用這(zhe)種(zhong)加熱法。首先(xian)給要(yao)被修復(fu)的(de)電(dian)池(chi)補水后(hou),為了加快電(dian)解液向電(dian)池(chi)內部滲透和自(zi)身的(de)化學(xue)反應,然后(hou)我們(men)就(jiu)(jiu)把補水后(hou)的(de)電(dian)池(chi)放入70℃的(de)熱水中浸泡,最(zui)后(hou)取(qu)出電(dian)池(chi)進行(xing)正常的(de)修復(fu)工作(zuo)。
汽車蓄電池修復技術
首先(xian)我們(men)需要(yao)知道,蓄(xu)電(dian)(dian)池(chi)分為開口蓄(xu)電(dian)(dian)池(chi)和閥控密封式(shi)蓄(xu)電(dian)(dian)池(chi)兩種(zhong),對于不同的(de)種(zhong)類的(de)蓄(xu)電(dian)(dian)池(chi)其維護方式(shi)也是不一樣的(de)。我們(men)第(di)一個先(xian)來看看閥控密封式(shi)蓄(xu)電(dian)(dian)池(chi)的(de)修復(fu)方法。
1、清理
維(wei)護電(dian)池以前,首(shou)先要清(qing)理被修電(dian)池外表的灰塵,清(qing)除端子上面的沾(zhan)污和銹(xiu)蝕。然后再打(da)開(kai)排氣閥,觀察電(dian)池內部的電(dian)解液。
2、撬開電池蓋,根據情況處理
撬開(kai)膠粘的(de)或者(zhe)熱封的(de)電(dian)(dian)池(chi)上蓋,露出(chu)免維護電(dian)(dian)池(chi)的(de)橡(xiang)膠排(pai)氣閥,小(xiao)心拆下排(pai)氣閥,觀察(cha)電(dian)(dian)池(chi)內部(bu)情(qing)況。檢查是否由黑色(se)雜(za)(za)質,如(ru)果(guo)(guo)有(you)(you)明顯的(de)黑色(se)渾(hun)濁(zhuo)雜(za)(za)質,說(shuo)明電(dian)(dian)池(chi)的(de)正極板已經明顯的(de)軟化,電(dian)(dian)池(chi)修好的(de)可能性比(bi)較小(xiao)。如(ru)果(guo)(guo)沒有(you)(you)黑色(se)渾(hun)濁(zhuo)雜(za)(za)質,需要等待4小(xiao)時(shi)以后(hou),水充(chong)分深入(ru)電(dian)(dian)池(chi)。同時(shi),給電(dian)(dian)池(chi)加含0.1%~0.5%的(de)電(dian)(dian)解(jie)(jie)液,到電(dian)(dian)池(chi)上面(mian)剛(gang)好有(you)(you)流(liu)動(dong)的(de)電(dian)(dian)解(jie)(jie)液。如(ru)果(guo)(guo)僅(jin)(jin)僅(jin)(jin)是因(yin)為停用時(shi)間較長(chang)而引(yin)起電(dian)(dian)池(chi)容量下降,不需要進行本步驟操(cao)作,直接進入(ru)下面(mian)預充(chong)電(dian)(dian)。
3、對電池進行恒壓限流充電
一(yi)般采用0.1c~0.25c電(dian)(dian)(dian)流(liu)充(chong)電(dian)(dian)(dian),到16.2v以后,通(tong)過降(jiang)低電(dian)(dian)(dian)流(liu)的(de)(de)方(fang)法,維持充(chong)電(dian)(dian)(dian)電(dian)(dian)(dian)壓,一(yi)直(zhi)到充(chong)電(dian)(dian)(dian)電(dian)(dian)(dian)流(liu)下(xia)降(jiang)到0.03c的(de)(de)時(shi)候(hou),停止充(chong)電(dian)(dian)(dian)。充(chong)電(dian)(dian)(dian)以后,觀察電(dian)(dian)(dian)池內部是否還有(you)游離分子,如果(guo)沒(mei)有(you),需要補0.1%的(de)(de)溶液,一(yi)直(zhi)到出現少許游離分子。如果(guo)每(mei)個單格里都(dou)有(you)游離分子,用傾倒和吸管吸出可見到的(de)(de)游離分子,使電(dian)(dian)(dian)池處于準貧液狀態。注意,充(chong)電(dian)(dian)(dian)的(de)(de)時(shi)候(hou),會有(you)氣體帶著(zhu)電(dian)(dian)(dian)解(jie)液從排氣孔中(zhong)溢出,為了不污染環(huan)境,電(dian)(dian)(dian)池應該放到特定的(de)(de)容器中(zhong)。
充電結束以(yi)(yi)后,電池靜止半小(xiao)時(shi)以(yi)(yi)后,測量電池的開路電壓(ya),電壓(ya)應該(gai)在12v以(yi)(yi)上,如果電池電壓(ya)低于(yu)12v,特別是(shi)低于(yu)10.8v,電池可能有內短路,該(gai)電池已經沒有維修價值。
4、蓄電池修復
連接修復(fu)(fu)儀的正負輸出到電(dian)池的正負極(ji)柱(zhu)上(shang),開(kai)啟(qi)修復(fu)(fu)儀,對電(dian)池進行修復(fu)(fu)。首次修復(fu)(fu)時(shi)間應(ying)該不低于48小時(shi)。
5、容量測試
給(gei)電(dian)(dian)(dian)池(chi)按(an)照0.1c電(dian)(dian)(dian)流放電(dian)(dian)(dian),記錄放電(dian)(dian)(dian)時(shi)間。其放電(dian)(dian)(dian)電(dian)(dian)(dian)流乘以(yi)時(shi)間的(de)小時(shi)數,就是電(dian)(dian)(dian)池(chi)修復的(de)容量(liang)(liang)。如(ru)果電(dian)(dian)(dian)池(chi)容量(liang)(liang)達到到標(biao)稱容量(liang)(liang)的(de)70%以(yi)上(shang),結束修復。如(ru)果容量(liang)(liang)沒有達到70%的(de)標(biao)稱容量(liang)(liang),繼續按(an)照步驟3充電(dian)(dian)(dian)。充電(dian)(dian)(dian)以(yi)后繼續修復,一般,超期存(cun)(cun)貯(zhu)(zhu)一年的(de)電(dian)(dian)(dian)池(chi)需(xu)要進行二次(ci)修復,才可以(yi)恢(hui)復到超期存(cun)(cun)貯(zhu)(zhu)以(yi)前(qian)的(de)狀態(tai)。