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(nei)使用的(de)應(ying)急照(zhao)(zhao)明(ming)系統以(yi)自帶電(dian)(dian)源獨(du)立控制型為(wei)主,正(zheng)常(chang)電(dian)(dian)源接自普通照(zhao)(zhao)明(ming)供(gong)電(dian)(dian)回路中,平時對應(ying)急燈蓄電(dian)(dian)池充(chong)電(dian)(dian),當(dang)正(zheng)常(chang)電(dian)(dian)源切斷時,備用電(dian)(dian)源(蓄電(dian)(dian)池)自動供(gong)電(dian)(dian)。這種(zhong)形式(shi)的(de)應(ying)急燈每(mei)個燈具(ju)內(nei)部都有變壓、穩壓、充(chong)電(dian)(dian)、逆變、蓄電(dian)(dian)池等大(da)量的(de)電(dian)(dian)子元器(qi)件,應(ying)急燈在使用、檢(jian)修、故障(zhang)時電(dian)(dian)池均需(xu)充(chong)放電(dian)(dian)...進入應急燈知識講堂>>