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(ying)急燈什(shen)么牌子好?
國內使(shi)用(yong)的應(ying)急照明系統以自帶電(dian)(dian)(dian)(dian)源(yuan)獨立控制型為主(zhu),正常電(dian)(dian)(dian)(dian)源(yuan)接(jie)自普通照明供(gong)電(dian)(dian)(dian)(dian)回路中,平時(shi)對(dui)應(ying)急燈(deng)蓄電(dian)(dian)(dian)(dian)池充電(dian)(dian)(dian)(dian),當正常電(dian)(dian)(dian)(dian)源(yuan)切斷時(shi),備用(yong)電(dian)(dian)(dian)(dian)源(yuan)(蓄電(dian)(dian)(dian)(dian)池)自動供(gong)電(dian)(dian)(dian)(dian)。這種形式的應(ying)急燈(deng)每(mei)個燈(deng)具內部都有變壓(ya)、穩壓(ya)、充電(dian)(dian)(dian)(dian)、逆變、蓄電(dian)(dian)(dian)(dian)池等大量的電(dian)(dian)(dian)(dian)子元器件,應(ying)急燈(deng)在使(shi)用(yong)、檢修、故障時(shi)電(dian)(dian)(dian)(dian)池均需充放電(dian)(dian)(dian)(dian)...進入應急燈知識講堂>>