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(xie)?應(ying)急燈(deng)什(shen)么牌子好?
國(guo)內使用(yong)的應(ying)急(ji)照明系統以(yi)自帶電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源獨(du)立控制型為主(zhu),正常電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源接自普通照明供電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)回(hui)路中,平時(shi)對應(ying)急(ji)燈蓄電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian),當(dang)正常電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源切斷時(shi),備用(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(蓄電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi))自動供電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)。這種形(xing)式的應(ying)急(ji)燈每個燈具內部(bu)都有變壓、穩壓、充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)、逆(ni)變、蓄電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)等大量(liang)的電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子元器件(jian),應(ying)急(ji)燈在使用(yong)、檢修(xiu)、故障時(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)均需充(chong)放電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)...進入應急燈知識講堂>>