應急燈是在正常照明電源發生故障時,能有效地照明和顯示疏散通道,或能持續照明而不間斷工作的一類燈具。應急燈十大品牌有哪些?應急燈什么牌子好(hao)?
國內(nei)使用(yong)的(de)應(ying)(ying)急(ji)照明系(xi)統以(yi)自(zi)(zi)帶電(dian)(dian)源獨立控(kong)制型為(wei)主,正(zheng)常電(dian)(dian)源接(jie)自(zi)(zi)普通照明供電(dian)(dian)回路中,平時對應(ying)(ying)急(ji)燈蓄電(dian)(dian)池充電(dian)(dian),當(dang)正(zheng)常電(dian)(dian)源切(qie)斷時,備用(yong)電(dian)(dian)源(蓄電(dian)(dian)池)自(zi)(zi)動供電(dian)(dian)。這種形式(shi)的(de)應(ying)(ying)急(ji)燈每個燈具內(nei)部都有變(bian)壓(ya)、穩(wen)壓(ya)、充電(dian)(dian)、逆變(bian)、蓄電(dian)(dian)池等大量的(de)電(dian)(dian)子元器件(jian),應(ying)(ying)急(ji)燈在使用(yong)、檢修、故障時電(dian)(dian)池均需(xu)充放電(dian)(dian)...進入應急燈知識講堂>>