LED防爆應急燈工作原理
LED防爆應(ying)(ying)急燈(deng)(deng)工(gong)作原(yuan)理產(chan)品工(gong)作原(yuan)理:防爆應(ying)(ying)急燈(deng)(deng)應(ying)(ying)急照(zhao)明(ming)系統(tong)以自帶電(dian)(dian)(dian)源(yuan)(yuan)獨(du)立(li)控制型為主,正(zheng)(zheng)常電(dian)(dian)(dian)源(yuan)(yuan)接自普通照(zhao)明(ming)供(gong)電(dian)(dian)(dian)回路中,平時(shi)對應(ying)(ying)急燈(deng)(deng)蓄電(dian)(dian)(dian)池(chi)充(chong)電(dian)(dian)(dian),當正(zheng)(zheng)常電(dian)(dian)(dian)源(yuan)(yuan)切斷(duan)時(shi),備用(yong)(yong)電(dian)(dian)(dian)源(yuan)(yuan)(蓄電(dian)(dian)(dian)池(chi))自動供(gong)電(dian)(dian)(dian)。這(zhe)種(zhong)(zhong)形式(shi)的應(ying)(ying)急燈(deng)(deng)每(mei)個燈(deng)(deng)具(ju)(ju)(ju)內(nei)部都有(you)變壓、穩壓、充(chong)電(dian)(dian)(dian)、逆變、蓄電(dian)(dian)(dian)池(chi)等大量的電(dian)(dian)(dian)子元器件,應(ying)(ying)急燈(deng)(deng)在使用(yong)(yong)、檢修(xiu)、故(gu)障時(shi)電(dian)(dian)(dian)池(chi)均需充(chong)放(fang)電(dian)(dian)(dian)。另一(yi)種(zhong)(zhong)是集(ji)(ji)中電(dian)(dian)(dian)源(yuan)(yuan)集(ji)(ji)中控制型,應(ying)(ying)急燈(deng)(deng)具(ju)(ju)(ju)內(nei)無獨(du)立(li)電(dian)(dian)(dian)源(yuan)(yuan),正(zheng)(zheng)常照(zhao)明(ming)電(dian)(dian)(dian)源(yuan)(yuan)故(gu)障時(shi),由集(ji)(ji)中供(gong)電(dian)(dian)(dian)系統(tong)供(gong)電(dian)(dian)(dian)。在這(zhe)種(zhong)(zhong)形式(shi)的應(ying)(ying)急照(zhao)明(ming)系統(tong)中,所(suo)有(you)燈(deng)(deng)具(ju)(ju)(ju)內(nei)部復(fu)雜(za)的電(dian)(dian)(dian)子電(dian)(dian)(dian)路被省掉了(le),應(ying)(ying)急照(zhao)明(ming)燈(deng)(deng)具(ju)(ju)(ju)與...