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?
國內使用的應(ying)急(ji)照明(ming)系(xi)統以自帶電(dian)(dian)(dian)(dian)(dian)源獨立控(kong)制型為主,正常電(dian)(dian)(dian)(dian)(dian)源接自普通照明(ming)供(gong)電(dian)(dian)(dian)(dian)(dian)回路中(zhong),平時對應(ying)急(ji)燈蓄電(dian)(dian)(dian)(dian)(dian)池充(chong)(chong)電(dian)(dian)(dian)(dian)(dian),當正常電(dian)(dian)(dian)(dian)(dian)源切斷時,備(bei)用電(dian)(dian)(dian)(dian)(dian)源(蓄電(dian)(dian)(dian)(dian)(dian)池)自動(dong)供(gong)電(dian)(dian)(dian)(dian)(dian)。這種形式的應(ying)急(ji)燈每(mei)個燈具內部都有(you)變壓、穩壓、充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)、逆變、蓄電(dian)(dian)(dian)(dian)(dian)池等大(da)量的電(dian)(dian)(dian)(dian)(dian)子元器(qi)件,應(ying)急(ji)燈在使用、檢修、故障時電(dian)(dian)(dian)(dian)(dian)池均(jun)需充(chong)(chong)放電(dian)(dian)(dian)(dian)(dian)...進入應急燈知識講堂>>