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1)在满足眩光限制和配光要求条件下,荧光灯灯具效率不应低于:开敞式的为75%、带透明保护罩的为65%、带磨砂或棱镜保护罩的为55%、带格栅的为60%;高强度气体放电灯灯具效率不应低于:开敞式的为75%、格栅或透光罩的为65%、常规道路照明灯具为70%、泛光照明灯具65%。2)根据使用场所条件,采用控光合理的灯具,如蝙蝠翼式配光灯具、块板式高效灯具等,地板式灯具可提高灯具效率5%~20%。3)选用光通量维持率好的灯具,如涂二氧化硅保护膜、反射器采用真空镀铝工艺和蒸镀银光学多层膜
1) Under the conditions of glare limitation and light distribution, the efficiency of fluorescent lamps and lanterns shall not be lower than: 75% open type, 65% with transparent protective cover and 55% with frosted or prism protective cover Grille 60%; high-intensity discharge lamp efficiency lamps should not be less than: open 75%, grille or translucent cover 65%, 70% of conventional road lighting, flood lighting 65%. 2) According to the conditions of use place, adopt reasonable lighting control, such as batwing light distribution luminaries, luminosity luminaries and so on. Floor luminaires can improve luminaire efficiency by 5% ~ 20%. 3) Selection of luminous flux to maintain a good lamp, such as coating silicon dioxide protective film, the reflector vacuum deposition of aluminum and evaporation of silver optical multilayer film