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(ji)燈什么牌子好(hao)?
國內使用的(de)應(ying)急(ji)照(zhao)明(ming)系統以自(zi)帶電(dian)(dian)源(yuan)(yuan)獨(du)立控(kong)制型為(wei)主(zhu),正常(chang)電(dian)(dian)源(yuan)(yuan)接自(zi)普(pu)通照(zhao)明(ming)供電(dian)(dian)回路中,平時(shi)對應(ying)急(ji)燈(deng)蓄(xu)電(dian)(dian)池(chi)(chi)充電(dian)(dian),當正常(chang)電(dian)(dian)源(yuan)(yuan)切斷(duan)時(shi),備(bei)用電(dian)(dian)源(yuan)(yuan)(蓄(xu)電(dian)(dian)池(chi)(chi))自(zi)動供電(dian)(dian)。這種形(xing)式的(de)應(ying)急(ji)燈(deng)每個燈(deng)具內部都(dou)有變壓(ya)、穩壓(ya)、充電(dian)(dian)、逆變、蓄(xu)電(dian)(dian)池(chi)(chi)等(deng)大(da)量(liang)的(de)電(dian)(dian)子元器件,應(ying)急(ji)燈(deng)在使用、檢修、故障時(shi)電(dian)(dian)池(chi)(chi)均(jun)需充放電(dian)(dian)...進入應急燈知識講堂>>