一、EPS應急電源供電持續多長時間
EPS應急電源是(shi)一種用于應(ying)對突發停電(dian)(dian)情(qing)況的(de)重要(yao)設(she)備(bei),它在(zai)供(gong)電(dian)(dian)中斷時能夠(gou)提(ti)供(gong)繼續供(gong)電(dian)(dian)的(de)功能,確保(bao)關鍵設(she)備(bei)的(de)正(zheng)常運行。EPS消(xiao)防應(ying)急電(dian)(dian)源(yuan)可以(yi)為消(xiao)防逃生(sheng)提(ti)供(gong)應(ying)急照明(ming)。那么(me)EPS應(ying)急電(dian)(dian)源(yuan)供(gong)電(dian)(dian)持續多(duo)長時間?
EPS應(ying)急(ji)(ji)電(dian)(dian)源持續供電(dian)(dian)時(shi)(shi)間需要視具體情(qing)況而(er)定(ding)。根據《消防應(ying)急(ji)(ji)照(zhao)明(ming)(ming)和疏(shu)散指示(shi)系統 GB17945-2010》規定(ding),在(zai)市(shi)電(dian)(dian)中斷(duan)時(shi)(shi),EPS應(ying)急(ji)(ji)電(dian)(dian)源可以(yi)持續供電(dian)(dian)不(bu)能低于(yu)90分鐘,這不(bu)僅滿足(zu)在(zai)發生火災疏(shu)散時(shi)(shi)的應(ying)急(ji)(ji)照(zhao)明(ming)(ming),也要為(wei)消防人(ren)員的救援照(zhao)明(ming)(ming)等(deng)需要。
一般情況(kuang)下,普(pu)通照(zhao)(zhao)明燈的(de)EPS應急電(dian)源的(de)供電(dian)中(zhong)斷(duan)時間不能超(chao)(chao)過(guo)5秒(miao)。對于高危險工作區及關鍵工作區的(de)應急照(zhao)(zhao)明,EPS應急電(dian)源的(de)供電(dian)中(zhong)斷(duan)時間不能超(chao)(chao)過(guo)0.25秒(miao)。EPS應急電(dian)源的(de)最長(chang)充電(dian)時間不能超(chao)(chao)過(guo)24小時,且(qie)連(lian)續過(guo)充電(dian)電(dian)流不能超(chao)(chao)過(guo)0.05C5A。
根據《民用建筑電氣(qi)設計(ji)標準 GB51348-2019》規定,部(bu)分消防設備對EPS應急電源也(ye)有(you)著不同(tong)的(de)供電時間(jian)要求:
火災自動報警裝置不能低于180(120)分(fen)鐘。
消(xiao)火栓、消(xiao)防泵(beng)及水(shui)幕泵(beng)不能低(di)于(yu)180(120)分鐘。
自動噴水(shui)系統不(bu)能低(di)于60分鐘。
水噴霧和泡沫滅火系統不能(neng)低于30分鐘(zhong)。
滅火和干粉滅火系統不能(neng)低(di)于30分鐘(zhong)。
防、排煙設備不(bu)能低于90、60、30分鐘。
火災應急廣播不(bu)能(neng)低于90、60、30分鐘。
消防電(dian)梯不(bu)能低于180(120)分鐘(zhong)。
由此可見(jian),EPS應急電(dian)(dian)源持(chi)續供(gong)電(dian)(dian)時間對不同的(de)(de)消(xiao)防設備也有著(zhu)不一樣的(de)(de)要(yao)求,所以在采購EPS消(xiao)防應急電(dian)(dian)源時,一定要(yao)弄清楚其使用場所及相關(guan)的(de)(de)要(yao)求規定。此外,定期檢查和維(wei)護(hu)EPS應急電(dian)(dian)源也是確(que)保其正常(chang)工作和延長供(gong)電(dian)(dian)時間的(de)(de)重要(yao)措(cuo)施。
二、EPS消防應急電源標準新要求
1、應(ying)急照明集中EPS電(dian)源應(ying)設(she)模擬(ni)主電(dian)源供(gong)電(dian)故障的(de)自(zi)復式試驗(yan)按鈕(或幵關),不應(ying)設(she)影(ying)響(xiang)應(ying)急功能的(de)開關。
2、應急(ji)照(zhao)明集中EPS電(dian)(dian)源應顯(xian)示主電(dian)(dian)電(dian)(dian)壓(ya)、電(dian)(dian)池電(dian)(dian)壓(ya)、輸(shu)出電(dian)(dian)壓(ya)和輸(shu)出電(dian)(dian)流。
3、應急照明集(ji)中EPS應急電源應設主電、充(chong)電、故障(zhang)和應急狀態(tai)(tai)指示燈,主電狀態(tai)(tai)用(yong)綠色,故障(zhang)狀態(tai)(tai)用(yong)黃色,充(chong)電狀態(tai)(tai)和應急狀態(tai)(tai)用(yong)紅色。
4、應急照明集中EPS電源每(mei)個輸出(chu)支(zhi)路均應單獨保護,且任一支(zhi)路故(gu)障不應影響其(qi)他支(zhi)路的正常工作。
5、應(ying)(ying)急照明集(ji)中EPS電(dian)源(yuan)主電(dian)和備電(dian)不應(ying)(ying)同時輸出,并能(neng)以手動、自動兩(liang)種方式轉人應(ying)(ying)急狀(zhuang)態,且應(ying)(ying)設只有人員(yuan)可(ke)操作(zuo)的強制應(ying)(ying)急啟動按鈕,該(gai)按鈕啟動后,應(ying)(ying)急照明集(ji)中電(dian)源(yuan)不應(ying)(ying)受過放電(dian)保護(hu)的影響。
6、應(ying)急照(zhao)明集(ji)中EPS電源應(ying)能(neng)在空載(zai)、滿載(zai)10%和超載(zai)20%條(tiao)件下正常工作(zuo),輸出特性(xing)應(ying)符合制造商的規定。
7、當串接電(dian)(dian)(dian)池(chi)(chi)組額(e)(e)定(ding)電(dian)(dian)(dian)壓(ya)(ya)大于(yu)等(deng)于(yu)12V時(shi),應(ying)(ying)急照(zhao)明集中電(dian)(dian)(dian)源應(ying)(ying)對電(dian)(dian)(dian)池(chi)(chi)組分段(duan)保護(hu),每(mei)段(duan)電(dian)(dian)(dian)池(chi)(chi)(組)額(e)(e)定(ding)電(dian)(dian)(dian)壓(ya)(ya)不應(ying)(ying)大于(yu)12V,且在電(dian)(dian)(dian)池(chi)(chi)(組)充(chong)滿電(dian)(dian)(dian)時(shi),每(mei)段(duan)電(dian)(dian)(dian)池(chi)(chi)(組)電(dian)(dian)(dian)壓(ya)(ya)均不應(ying)(ying)小于(yu)額(e)(e)定(ding)電(dian)(dian)(dian)壓(ya)(ya)。當任一段(duan)電(dian)(dian)(dian)池(chi)(chi)電(dian)(dian)(dian)壓(ya)(ya)小于(yu)額(e)(e)定(ding)電(dian)(dian)(dian)壓(ya)(ya)時(shi),應(ying)(ying)急照(zhao)明集中電(dian)(dian)(dian)源應(ying)(ying)發出(chu)故(gu)障(zhang)聲(sheng)、光信號(hao)并指示相應(ying)(ying)的部位。
8、應急照明集中EPS電源在下述情(qing)況(kuang)下應(ying)發出故(gu)障聲、光信(xin)(xin)號(hao),并(bing)指示故(gu)障的類型(xing);故(gu)障聲信(xin)(xin)號(hao)應(ying)能(neng)手動消除,當有新的故(gu)障信(xin)(xin)號(hao)時,故(gu)障聲信(xin)(xin)號(hao)應(ying)再啟(qi)動;故(gu)障光信(xin)(xin)號(hao)在故(gu)障排除前應(ying)保持(chi)。故(gu)障條(tiao)件(jian)如下所述:
a)充電(dian)器(qi)與電(dian)池之間連接線(xian)開(kai)路。
b)應急(ji)輸出回路開路。
c)在應急狀態下,電池電壓(ya)低于過放(fang)保護電壓(ya)值。