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(you)哪些?應急(ji)燈什么牌子好?
國內使(shi)用的(de)應(ying)(ying)急(ji)照明系統以自(zi)帶電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)獨(du)立控制型為主,正常電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)接(jie)自(zi)普通照明供電(dian)(dian)(dian)(dian)回路中,平時(shi)對應(ying)(ying)急(ji)燈(deng)蓄(xu)電(dian)(dian)(dian)(dian)池充電(dian)(dian)(dian)(dian),當正常電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)切斷(duan)時(shi),備用電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(蓄(xu)電(dian)(dian)(dian)(dian)池)自(zi)動供電(dian)(dian)(dian)(dian)。這(zhe)種形式(shi)的(de)應(ying)(ying)急(ji)燈(deng)每個(ge)燈(deng)具(ju)內部(bu)都有變壓、穩(wen)壓、充電(dian)(dian)(dian)(dian)、逆變、蓄(xu)電(dian)(dian)(dian)(dian)池等大(da)量(liang)的(de)電(dian)(dian)(dian)(dian)子元器件,應(ying)(ying)急(ji)燈(deng)在(zai)使(shi)用、檢修、故障時(shi)電(dian)(dian)(dian)(dian)池均(jun)需充放電(dian)(dian)(dian)(dian)...進入應急燈知識講堂>>