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(dian)訊設施(電(dian)信中心,衛星地面站(zhan))、內燃機車(che)、汽車(che)、電(dian)站(zhan)、變(bian)電(dian)站(zhan)、應急電(dian)源(yuan)、船舶(bo)及無(wu)電(dian)區光明工程的儲能電(dian)源(yuan)等95%以上都是使用的鉛酸蓄電(dian)池(chi)。
型號(hao)不(bu)同(tong)(tong)、使(shi)(shi)用環(huan)境條(tiao)件(jian)不(bu)同(tong)(tong)的(de)(de)(de)(de)電(dian)池(chi)(chi),其設計(ji)使(shi)(shi)用壽命(ming)(ming)(ming)也不(bu)同(tong)(tong)。如固(gu)定型排氣式(shi)的(de)(de)(de)(de)鉛(qian)酸(suan)(suan)蓄(xu)電(dian)池(chi)(chi)在20℃~25℃,浮充充電(dian)條(tiao)件(jian)下(xia)使(shi)(shi)用其壽命(ming)(ming)(ming)有15年;VRLA鉛(qian)酸(suan)(suan)蓄(xu)電(dian)池(chi)(chi)在浮充電(dian)條(tiao)件(jian)下(xia)使(shi)(shi)用其壽命(ming)(ming)(ming)在5~10年;牽引(yin)型(動(dong)(dong)(dong)力型)排氣式(shi)鉛(qian)酸(suan)(suan)蓄(xu)電(dian)池(chi)(chi)壽命(ming)(ming)(ming)為(wei)1500周(zhou)次;動(dong)(dong)(dong)力型VRLA鉛(qian)酸(suan)(suan)蓄(xu)電(dian)池(chi)(chi)壽命(ming)(ming)(ming)為(wei)700次左右;電(dian)動(dong)(dong)(dong)自行(xing)車、電(dian)動(dong)(dong)(dong)摩托車、電(dian)動(dong)(dong)(dong)三輪車配(pei)套的(de)(de)(de)(de)鉛(qian)酸(suan)(suan)蓄(xu)電(dian)池(chi)(chi)壽命(ming)(ming)(ming)只有350周(zhou)次左右,即(ji)一年;汽車上配(pei)套的(de)(de)(de)(de)點(dian)火,照明,起動(dong)(dong)(dong)用的(de)(de)(de)(de)VRLA鉛(qian)酸(suan)(suan)蓄(xu)電(dian)池(chi)(chi)一般壽命(ming)(ming)(ming)為(wei)3~5年;所以鉛(qian)酸(suan)(suan)蓄(xu)電(dian)池(chi)(chi)的(de)(de)(de)(de)修復(fu)(fu)對于(yu)市場占有量最大(da)(da),使(shi)(shi)用頻率最高,使(shi)(shi)用范(fan)圍最廣、壽命(ming)(ming)(ming)較短且(qie)易(yi)出(chu)現早期(qi)失效(xiao)的(de)(de)(de)(de)鉛(qian)酸(suan)(suan)蓄(xu)電(dian)池(chi)(chi)是主要工作(zuo)的(de)(de)(de)(de)對象。這些易(yi)出(chu)現早期(qi)失效(xiao)的(de)(de)(de)(de)電(dian)池(chi)(chi)對其修復(fu)(fu)后可以再次提交使(shi)(shi)用,因(yin)此大(da)(da)大(da)(da)的(de)(de)(de)(de)延(yan)長了電(dian)池(chi)(chi)的(de)(de)(de)(de)使(shi)(shi)用壽命(ming)(ming)(ming),達到了既環(huan)保又(you)節(jie)(jie)約節(jie)(jie)能的(de)(de)(de)(de)目(mu)的(de)(de)(de)(de)。
蓄電池壞損修復的方法
一、電瓶檢測
第一步、檢查蓄電(dian)池外表(biao)狀態:
檢(jian)查(cha)(cha)蓄電池外形(xing)是(shi)否完好。檢(jian)查(cha)(cha)蓄電池外殼(ke)是(shi)否凸出、漏夜、斷(duan)隔、電瓶(ping)接線端(duan)子腐(fu)蝕等,如(ru)果有(you)這種現象(xiang),說明電瓶(ping)已經壞死;
第二步(bu)、檢查蓄電(dian)池電(dian)壓是否(fou)正常:
1、在充電進行時(shi)(二(er)個小時(shi)后),分三次檢測每節單塊(kuai)電瓶的電壓,每次間隔20分鐘(zhong),如果有單(dan)塊電池的電壓超(chao)過15V的,意味電瓶硫化;如果電壓(ya)始(shi)終達(da)不到13V以上的,說明這(zhe)節(jie)電(dian)瓶(ping)短路(lu)或(huo)單格落(luo)后;
2、在放電進行時,用(yong)萬用(yong)表分三次測(ce)量每節單體電瓶的電壓,每次間隔10分鐘,如果某單(dan)塊電瓶(ping)的電壓(ya)下降的比其他幾節電瓶(ping)快,并且低于(yu)10V,加(jia)上這節電池(chi)(chi)放(fang)電時間最短(duan),那么這節電池(chi)(chi)就是(shi)問(wen)題(ti)電池(chi)(chi)。
3、檢測(ce)單塊(kuai)電(dian)(dian)(dian)瓶的靜態電(dian)(dian)(dian)壓(ya)(浮(fu)電(dian)(dian)(dian))。當電(dian)(dian)(dian)壓(ya)為零時,有兩種(zhong)(zhong)可(ke)能:一(yi)種(zhong)(zhong)是電(dian)(dian)(dian)瓶完全斷路(lu),電(dian)(dian)(dian)路(lu)不(bu)通,電(dian)(dian)(dian)壓(ya)為零;另一(yi)種(zhong)(zhong)就是電(dian)(dian)(dian)瓶放置時間過長,電(dian)(dian)(dian)壓(ya)低(di)至(zhi)1-2V,甚(shen)至為(wei)零。
第三步、檢查(cha)蓄電池電解(jie)液(ye)是(shi)否“失水”、發黑:
檢查(cha)電解液是否變質(zhi)或“失水”。對蓄電池充電3-6個小時后,用手(shou)觸(chu)(chu)觸(chu)(chu)摸每節(jie)電(dian)瓶(ping)外殼側面,如果(guo)電(dian)瓶(ping)發熱(re)燙(tang)手(shou),這節(jie)電(dian)池已(yi)經壞死;如果(guo)只是發熱(re),溫(wen)度在(zai)40度左右,同時(shi)充電(dian)(dian)時(shi)充電(dian)(dian)器一直亮著紅燈,說明電(dian)(dian)池嚴重“失水(shui)”;另外也可以打開電(dian)(dian)瓶的蓋子,檢查“失水(shui)”狀態。
二、蓄電池修復方法技術
1、脈沖(chong)修復法:
蓄電(dian)池消除硫化比較好的(de)(de)方法(fa)就是采(cai)用脈沖修復法(fa)。在修復蓄電(dian)池時,脈沖的(de)(de)瞬間電(dian)壓一般根據產品(pin)所(suo)體(ti)現的(de)(de)功能需要,采(cai)取的(de)(de)瞬間電(dian)壓為60V—300V之間(jian),如用于蓄電(dian)(dian)(dian)(dian)池延壽的(de)產品脈(mo)(mo)(mo)沖(chong)電(dian)(dian)(dian)(dian)壓(ya)(ya)值就(jiu)不(bu)益過大(da),專門由(you)于蓄電(dian)(dian)(dian)(dian)池修(xiu)復產品的(de)脈(mo)(mo)(mo)沖(chong)電(dian)(dian)(dian)(dian)壓(ya)(ya)值就(jiu)可(ke)以偏大(da)(如果脈(mo)(mo)(mo)沖(chong)電(dian)(dian)(dian)(dian)壓(ya)(ya)值太大(da)對(dui)電(dian)(dian)(dian)(dian)池極板會造(zao)成損傷),脈(mo)(mo)(mo)沖(chong)電(dian)(dian)(dian)(dian)壓(ya)(ya)高(gao),蓄電(dian)(dian)(dian)(dian)池修(xiu)復時間(jian)短(duan),脈(mo)(mo)(mo)沖(chong)電(dian)(dian)(dian)(dian)壓(ya)(ya)低,蓄電(dian)(dian)(dian)(dian)池修(xiu)復時間(jian)相對(dui)就(jiu)長,盡(jin)管脈(mo)(mo)(mo)沖(chong)瞬(shun)間(jian)電(dian)(dian)(dian)(dian)壓(ya)(ya)很高(gao),但平均電(dian)(dian)(dian)(dian)壓(ya)(ya)并不(bu)高(gao),對(dui)人(ren)體(ti)沒有傷害(hai),十分安(an)全。
市場上有專門的(de)脈(mo)(mo)沖發生(sheng)器(qi)銷售,但要注意(yi)選擇(ze)效(xiao)果好(hao)的(de)一(yi)種。脈(mo)(mo)沖與(yu)蓄電池極板的(de)諧振(zhen)很重(zhong)要,這就取決與(yu)脈(mo)(mo)沖頻(pin)率(lv)大小、幅(fu)度寬窄,脈(mo)(mo)沖頻(pin)率(lv)和幅(fu)度不夠就達不到消(xiao)除硫(liu)酸結晶(jing)的(de)效(xiao)果,頻(pin)率(lv)和幅(fu)度太大則會出(chu)(chu)現(xian)消(xiao)除了硫(liu)化而損傷了電極板,并(bing)出(chu)(chu)現(xian)析氣現(xian)象(xiang);同時,脈(mo)(mo)沖波形(xing)也有很多種,在示(shi)波器(qi)上可(ke)以顯示(shi)。
2、強電修復(fu)法:
強電(dian)修(xiu)復(fu)法(fa)(fa)就是(shi)采(cai)(cai)取(qu)充電(dian)時(shi)的持久高電(dian)壓或大電(dian)流修(xiu)復(fu)蓄電(dian)池的方法(fa)(fa),多(duo)在脈沖修(xiu)復(fu)法(fa)(fa)效果不明顯(xian)時(shi)采(cai)(cai)用。其一、高電(dian)壓修(xiu)復(fu)法(fa)(fa):這種(zhong)方法(fa)(fa)主要是(shi)采(cai)(cai)取(qu)電(dian)池標稱電(dian)壓的1.3-1.5倍的充電(dian)電(dian)壓修復電(dian)池(chi),如36V蓄電(dian)池在充電(dian)電(dian)流不變或接近的條(tiao)件下(xia),采用48V的(de)充(chong)電(dian)(dian)(dian)器進行充(chong)電(dian)(dian)(dian),充(chong)電(dian)(dian)(dian)時間(jian)要掌(zhang)握分寸,不(bu)易過長,否則電(dian)(dian)(dian)池(chi)會因析氣發熱。
3、全充全放(fang)電修復法:
全(quan)充(chong)全(quan)放(fang)電(dian)修(xiu)(xiu)復(fu)(fu)法(fa)就是對(dui)蓄電(dian)池采取完(wan)全(quan)充(chong)滿電(dian)后,再完(wan)全(quan)的(de)放(fang)電(dian)修(xiu)(xiu)復(fu)(fu)蓄電(dian)池的(de)方(fang)法(fa)。全(quan)充(chong)全(quan)放(fang)電(dian)修(xiu)(xiu)復(fu)(fu)法(fa)主要是對(dui)輕度損傷的(de)蓄電(dian)池具有(you)一(yi)定(ding)的(de)修(xiu)(xiu)復(fu)(fu)作用(yong),同時此方(fang)法(fa)還可(ke)以有(you)效的(de)激活電(dian)瓶深層(ceng)的(de)活性物質,提高蓄電(dian)池容量。
4、補水修復法:
對蓄電池“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(ke)以了。
5、重新配組修復(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(ba)它們接入測試(shi)儀進(jin)行硫修復(fu)。
2、輸出組合法:對(dui)于(yu)那(nei)種(zhong)放了很久的(de)電(dian)(dian)池或者說自(zi)放電(dian)(dian)很嚴重(zhong)以及硫化很嚴重(zhong)的(de)電(dian)(dian)池,我(wo)們不能采用補(bu)水和充(chong)電(dian)(dian)恢復(fu)的(de)方法了。而輸(shu)出(chu)組合法對(dui)嚴重(zhong)硫化的(de)電(dian)(dian)池效果(guo)比較好,在使用這個(ge)方法時,充(chong)電(dian)(dian)電(dian)(dian)流(liu)最(zui)好是5A。因為(wei)(wei)修復(fu)功能的(de)疊加,修復(fu)負脈沖(chong)電(dian)(dian)流(liu)大于(yu)正脈,選擇5A是為(wei)(wei)了彌補(bu)由(you)此而產生的(de)充(chong)電(dian)(dian)電(dian)(dian)流(liu)的(de)抵(di)消。
3、活化充電法:其實蓄電(dian)池在存儲或者(zhe)是使用期(qi)間(jian),我們(men)可以(yi)定期(qi)給它進行活(huo)化充(chong)電(dian),也就是所謂的(de)均衡充(chong)電(dian),這樣對蓄電(dian)池不(bu)可逆硫化是很(hen)有幫助(zhu)的(de),因(yin)為就可以(yi)延(yan)長蓄電(dian)池的(de)壽命,是很(hen)提倡(chang)的(de)做(zuo)法。我們(men)在一般情況下,使用測試儀定期(qi)對電(dian)池充(chong)電(dian)—放電(dian)—充(chong)電(dian)就可以(yi)了。
4、加熱法:對于(yu)那種(zhong)放(fang)的(de)(de)很久(jiu)的(de)(de)電(dian)池(chi)(chi)(chi),電(dian)解液自(zi)然(ran)就成嚴(yan)重干涸的(de)(de)狀態。如果(guo)顧客(ke)急需要修(xiu)復的(de)(de)話,就可以采用(yong)這(zhe)種(zhong)加熱(re)(re)法。首(shou)先(xian)給要被(bei)修(xiu)復的(de)(de)電(dian)池(chi)(chi)(chi)補(bu)水(shui)后(hou)(hou),為了加快電(dian)解液向電(dian)池(chi)(chi)(chi)內部滲透和自(zi)身的(de)(de)化學反應,然(ran)后(hou)(hou)我們(men)就把補(bu)水(shui)后(hou)(hou)的(de)(de)電(dian)池(chi)(chi)(chi)放(fang)入70℃的(de)(de)熱(re)(re)水(shui)中浸泡,最(zui)后(hou)(hou)取(qu)出電(dian)池(chi)(chi)(chi)進行正常的(de)(de)修(xiu)復工作。
汽車蓄電池修復技術
首先我(wo)們需要知道,蓄(xu)電(dian)(dian)(dian)池(chi)(chi)分為開口蓄(xu)電(dian)(dian)(dian)池(chi)(chi)和閥(fa)(fa)控密封(feng)式(shi)蓄(xu)電(dian)(dian)(dian)池(chi)(chi)兩(liang)種(zhong)(zhong),對于不同的種(zhong)(zhong)類的蓄(xu)電(dian)(dian)(dian)池(chi)(chi)其維護方式(shi)也(ye)是(shi)不一樣的。我(wo)們第(di)一個(ge)先來(lai)看看閥(fa)(fa)控密封(feng)式(shi)蓄(xu)電(dian)(dian)(dian)池(chi)(chi)的修復(fu)方法。
1、清理
維(wei)護電(dian)池以前,首先要清(qing)理被修(xiu)電(dian)池外表的(de)灰塵,清(qing)除(chu)端(duan)子上(shang)面(mian)的(de)沾污和銹(xiu)蝕。然后再打開排氣閥,觀察電(dian)池內部(bu)的(de)電(dian)解液。
2、撬開電池蓋,根據情況處理
撬開膠粘的(de)或(huo)者熱封的(de)電(dian)(dian)(dian)(dian)池(chi)(chi)上蓋,露(lu)出免維護電(dian)(dian)(dian)(dian)池(chi)(chi)的(de)橡膠排(pai)(pai)氣(qi)閥,小(xiao)心拆(chai)下(xia)排(pai)(pai)氣(qi)閥,觀察電(dian)(dian)(dian)(dian)池(chi)(chi)內部(bu)情況。檢查是否由黑色(se)雜質,如果(guo)有(you)(you)明顯的(de)黑色(se)渾濁雜質,說明電(dian)(dian)(dian)(dian)池(chi)(chi)的(de)正極板已(yi)經明顯的(de)軟化,電(dian)(dian)(dian)(dian)池(chi)(chi)修好的(de)可能性比較小(xiao)。如果(guo)沒有(you)(you)黑色(se)渾濁雜質,需(xu)(xu)要(yao)等待4小(xiao)時以(yi)后(hou),水充分深(shen)入電(dian)(dian)(dian)(dian)池(chi)(chi)。同時,給(gei)電(dian)(dian)(dian)(dian)池(chi)(chi)加含0.1%~0.5%的(de)電(dian)(dian)(dian)(dian)解(jie)液,到電(dian)(dian)(dian)(dian)池(chi)(chi)上面(mian)剛(gang)好有(you)(you)流動的(de)電(dian)(dian)(dian)(dian)解(jie)液。如果(guo)僅(jin)僅(jin)是因為(wei)停用時間較長而引起電(dian)(dian)(dian)(dian)池(chi)(chi)容量下(xia)降,不需(xu)(xu)要(yao)進(jin)行本步(bu)驟(zou)操作,直接進(jin)入下(xia)面(mian)預(yu)充電(dian)(dian)(dian)(dian)。
3、對電池進行恒壓限流充電
一(yi)(yi)般采(cai)用(yong)0.1c~0.25c電(dian)(dian)(dian)(dian)(dian)流(liu)充(chong)電(dian)(dian)(dian)(dian)(dian),到16.2v以(yi)后,通過(guo)降低電(dian)(dian)(dian)(dian)(dian)流(liu)的(de)方(fang)法,維持(chi)充(chong)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)壓(ya),一(yi)(yi)直到充(chong)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)流(liu)下降到0.03c的(de)時候(hou),停止充(chong)電(dian)(dian)(dian)(dian)(dian)。充(chong)電(dian)(dian)(dian)(dian)(dian)以(yi)后,觀察電(dian)(dian)(dian)(dian)(dian)池內部(bu)是否還有(you)(you)游離(li)分(fen)子(zi),如果(guo)沒(mei)有(you)(you),需要補0.1%的(de)溶液,一(yi)(yi)直到出現少許游離(li)分(fen)子(zi)。如果(guo)每個單格里都有(you)(you)游離(li)分(fen)子(zi),用(yong)傾倒和吸管吸出可(ke)見到的(de)游離(li)分(fen)子(zi),使電(dian)(dian)(dian)(dian)(dian)池處于準貧液狀態(tai)。注意,充(chong)電(dian)(dian)(dian)(dian)(dian)的(de)時候(hou),會有(you)(you)氣體帶(dai)著電(dian)(dian)(dian)(dian)(dian)解液從排氣孔中(zhong)溢出,為(wei)了不污(wu)染環境(jing),電(dian)(dian)(dian)(dian)(dian)池應該放到特定(ding)的(de)容器中(zhong)。
充電(dian)結束以后,電(dian)池(chi)靜止半小(xiao)時(shi)以后,測量電(dian)池(chi)的開路電(dian)壓,電(dian)壓應該在12v以上,如果電(dian)池(chi)電(dian)壓低于(yu)(yu)12v,特別是低于(yu)(yu)10.8v,電(dian)池(chi)可能(neng)有內短路,該電(dian)池(chi)已經沒(mei)有維修價值。
4、蓄電池修復
連(lian)接修復儀(yi)的(de)正負輸出到電池(chi)的(de)正負極柱上,開啟(qi)修復儀(yi),對電池(chi)進(jin)行修復。首次(ci)修復時間(jian)應(ying)該不低于48小(xiao)時。
5、容量測試
給(gei)電(dian)(dian)(dian)池按照(zhao)0.1c電(dian)(dian)(dian)流放(fang)(fang)電(dian)(dian)(dian),記錄(lu)放(fang)(fang)電(dian)(dian)(dian)時間。其放(fang)(fang)電(dian)(dian)(dian)電(dian)(dian)(dian)流乘(cheng)以時間的(de)小(xiao)時數,就是電(dian)(dian)(dian)池修(xiu)復(fu)的(de)容(rong)量。如果電(dian)(dian)(dian)池容(rong)量達(da)到(dao)到(dao)標稱容(rong)量的(de)70%以上,結(jie)束修(xiu)復(fu)。如果容(rong)量沒有達(da)到(dao)70%的(de)標稱容(rong)量,繼續按照(zhao)步驟3充電(dian)(dian)(dian)。充電(dian)(dian)(dian)以后繼續修(xiu)復(fu),一般,超(chao)期(qi)存貯一年的(de)電(dian)(dian)(dian)池需要進行二次修(xiu)復(fu),才可(ke)以恢復(fu)到(dao)超(chao)期(qi)存貯以前的(de)狀態。