【ups電(dian)池】常用UPS電(dian)池分類(lei)與介(jie)紹 不同種類(lei)UPS電(dian)池的特點說明
1、開放型液體鉛酸電池
此類(lei)電(dian)(dian)池(chi)(chi)按結構(gou)可分(fen)為(wei)8-10年(nian),15-20年(nian)壽命兩種(zhong)。由于(yu)此電(dian)(dian)池(chi)(chi)硫(liu)酸電(dian)(dian)解(jie)會產生腐蝕(shi)性氣體,此類(lei)電(dian)(dian)池(chi)(chi)必須(xu)安(an)裝在通風并遠離精(jing)密電(dian)(dian)子設備的房間,且電(dian)(dian)池(chi)(chi)房應鋪設防(fang)腐蝕(shi)瓷磚。
由于蒸發(fa)的(de)原因,開放(fang)(fang)電(dian)(dian)池(chi)(chi)需定期測量比重,加(jia)酸加(jia)水。此電(dian)(dian)池(chi)(chi)可(ke)忍受高溫高壓(ya)和深放(fang)(fang)電(dian)(dian)。電(dian)(dian)池(chi)(chi)房應禁(jin)煙并用開放(fang)(fang)型電(dian)(dian)池(chi)(chi)架。
此電(dian)池充(chong)電(dian)后(hou)不能運(yun)輸,因而必須在現場(chang)安裝后(hou)充(chong)電(dian)初充(chong)電(dian)一般需55-90小時。正(zheng)常每節(jie)電(dian)壓(ya)為2V,初充(chong)電(dian)電(dian)壓(ya)為2.6-2.7v。
2、鎳鉻電池
此類(lei)電(dian)池(chi)(chi)(chi)(chi)不同于鉛酸電(dian)池(chi)(chi)(chi)(chi),電(dian)解時(shi)產生(sheng)氫和氧而(er)不產生(sheng)腐蝕性氣體(ti),因而(er)可安裝在電(dian)子設備的(de)(de)旁邊。且水的(de)(de)消(xiao)耗很少,一般(ban)不需維護。正(zheng)常壽命為(wei)20-25年。遠比前面(mian)提到的(de)(de)電(dian)池(chi)(chi)(chi)(chi)昂貴。初始安裝的(de)(de)費(fei)用(yong)(yong)約為(wei)鉛酸電(dian)池(chi)(chi)(chi)(chi)的(de)(de)三(san)倍。并不會(hui)因環(huan)境(jing)溫(wen)度高(gao)而(er)影響(xiang)(xiang)電(dian)池(chi)(chi)(chi)(chi)壽命,也不會(hui)因環(huan)境(jing)溫(wen)度低而(er)影響(xiang)(xiang)電(dian)池(chi)(chi)(chi)(chi)容量(liang)。一般(ban)每(mei)節電(dian)壓為(wei)1.2V,UPS因應用(yong)(yong)此類(lei)電(dian)池(chi)(chi)(chi)(chi)需設計(ji)較(jiao)高(gao)的(de)(de)充電(dian)器電(dian)壓。
3、免維護蓄電池
又名閥控式密封鉛酸蓄電池,免維護蓄電池由于自身結構(gou)上的優勢,電(dian)(dian)(dian)解(jie)液(ye)的消耗量非常小,在(zai)使(shi)用壽命(ming)內基本不(bu)需要補充蒸餾水。它還具有(you)耐震、耐高溫(wen)、體積小、自放電(dian)(dian)(dian)小的特點。使(shi)用壽命(ming)一(yi)般為普通蓄電(dian)(dian)(dian)池(chi)的兩倍。市場上的免維護蓄電(dian)(dian)(dian)池(chi)也有(you)兩種:第一(yi)種在(zai)購(gou)買時一(yi)次性加電(dian)(dian)(dian)解(jie)液(ye)以后使(shi)用中不(bu)需要維護(添加補充液(ye));另一(yi)種是電(dian)(dian)(dian)池(chi)本身出廠時就(jiu)已經加好電(dian)(dian)(dian)解(jie)液(ye)并(bing)封死,用戶根(gen)本就(jiu)不(bu)能加補充液(ye)。
由于免維護(hu)蓄電(dian)池(chi)采用(yong)(yong)鉛鈣合金柵架,充(chong)電(dian)時(shi)產生的(de)水分解量(liang)少,水份蒸發量(liang)低(di),加上外殼采用(yong)(yong)密封結構,釋放(fang)出來(lai)的(de)硫酸氣體也很(hen)少,所以它與傳統(tong)蓄電(dian)池(chi)相比,具有不(bu)需添加任(ren)何液體,對接線樁頭、電(dian)線腐蝕少,抗(kang)過充(chong)電(dian)能力強,起動(dong)電(dian)流(liu)大(da),電(dian)量(liang)儲存時(shi)間長等優點。
免維護蓄電池因(yin)其(qi)在(zai)(zai)正常充(chong)(chong)電電壓下(xia)(xia),電解(jie)液僅產生少(shao)量的(de)氣(qi)體,極(ji)板有很強的(de)抗過充(chong)(chong)電能力,而且(qie)具有內阻(zu)小(xiao)、低溫起動性能好、比常規(gui)蓄電池使用(yong)壽命長等特點,因(yin)而在(zai)(zai)整個(ge)使用(yong)期(qi)間不(bu)需添加(jia)蒸餾水(shui),在(zai)(zai)充(chong)(chong)電系正常情況下(xia)(xia),不(bu)需從(cong)拆下(xia)(xia)進行補充(chong)(chong)充(chong)(chong)電。但在(zai)(zai)保(bao)養(yang)時應對(dui)其(qi)電解(jie)液的(de)比重進行檢查。
大多(duo)數免維護(hu)蓄(xu)電(dian)(dian)池(chi)在蓋上(shang)設有一個孔形液(ye)體(溫度(du)補償(chang)型(xing))比(bi)(bi)重計,它(ta)會根據(ju)電(dian)(dian)解液(ye)比(bi)(bi)重的變化而改(gai)變顏色。可以指(zhi)示(shi)蓄(xu)電(dian)(dian)池(chi)的存(cun)放電(dian)(dian)狀態和電(dian)(dian)解液(ye)液(ye)位的高度(du)。當比(bi)(bi)重計的指(zhi)示(shi)眼呈綠色時,表明(ming)充(chong)電(dian)(dian)已足,蓄(xu)電(dian)(dian)池(chi)正常;當指(zhi)示(shi)眼綠點(dian)很少(shao)或為黑色,表明(ming)蓄(xu)電(dian)(dian)池(chi)需(xu)要(yao)充(chong)電(dian)(dian);當指(zhi)示(shi)眼顯示(shi)淡黃色,表明(ming)蓄(xu)電(dian)(dian)池(chi)內部有故障(zhang),需(xu)要(yao)修理或進行更(geng)換。