High output low brightness ventilated luminaire
阅读：365发布：2021-10-29
专利汇可以提供High output low brightness ventilated luminaire专利检索，专利查询，专利分析的服务。并且A multi-purpose, high output, low brightness luminaire employing a large open front box-like housing with opposed lamp sockets in the side walls adapted to accommodate high wattage, high intensity discharge (HID) lamps is disclosed. Upper and lower curved reflectors are mounted adjacent the back wall of the housing and an oppositely curved intermediate, perforated reflector overlies a space between the upper and lower reflectors. The perforated reflector directs air entering through the back wall both through the perforations to sweep the lamps as well as upwardly and downwardly over the upper and lower curved reflectors. A perforated reflector screen is also provided across the luminaire in front of the lamps to shield the lamp arcs from view and if desired, a plurality of vertically and horizontally oriented louvers are provided to selectively control light distribution.，下面是High output low brightness ventilated luminaire专利的具体信息内容。
1. A high output, low brightness luminaire comprising: a housing, including a back wall, side walls a top wall and a bottom wall; a pair of opposed discharge lamp sockets mounted in said side walls approximately midway between said top wall and said bottom wall, a pair of concave reflectors, one of said reflectors mounted adjacent the top half of said back wall and the other of said reflectors mounted adjacent the bottom half of said back wall, a convex reflector mounted between said concave reflectors and overlying the bottom edge of the upper reflector and the top edge of the lower reflector, and; a perforated shield extending across said housing from one side wall to the other side wall approximately midway between said top wall and said bottom wall forward of said opposed discharge lamp sockets, said perforated shield being constructed and arranged to shield the arc of discharge lamps mounted in said opposed sockets from view at normal viewing angles.
2. The high output, low brightness luminaire according to claim 1 wherein said perforated shield is curved and the side thereof facing said lamp sockets is reflective.
3. The high output low brightness luminaire according to claim 2 wherein said perforated shield is less than 25 percent open.
4. The high output low brightness luminaire according to claim 1 wherein at least one air inlet is provided in said back wall adjacent the center thereof and said convex relfector is perforated.
5. The high output low brightness luminaire of claim 1 wherein a plurality of light directing baffles are mounted in a vertical array between said top wall and said bottom wall adjacent said perforated screen, said light directing baffles being individually and selectively adjustable to control the light output pattern of said luminaire.
6. The high output, low brightness luminaire according to claim 1 wherein a plurality of light directing baffles are mounted in horizontal array between said side walls forward of said perforated screen, said light directing baffles being individually and selectively adjustable to control the light output pattern of said luminaire.
7. The high output low brightness luminaire according to claim 1 wherein two sets of light directing baffles are mounted in said luminaire, a first set mounted between the top and bottom walls and a second set mounted between said side walls with each baffle of each set being individually and selectively adjustable to control the light distribution of said luminaire.
8. A high output, low brightness, ventilated luminaire comprising: an open front housing including a back wall, side walls, a top wall and a bottom wall; a discharge lamp socket mounted approximately midway between said top wall and said bottom wall in each of said side walls, said discharge lamp sockets being arranged in facing relationship one to the other; an upper curved reflector mounted adjacent to the upper half of said back wall; a lower curved reflector mounted adjacent the lower half of said back wall with the upper edge of said lower reflector being slightly spaced from the bottom edge of said upper reflector; an oppositely curved reflector overlying the lower edge of said upper curved reflector, the upper edge of said lower curved reflector and the space therebetween, said oppositely curved reflector being perforated; and at least one air inlet in said back wall proximate said space between said upper and lower curved reflectors, whereby air passing through said inlet in part passes through the perforations in said oppositely curved reflector to sweep discharge lamps mounted in said discharge lamps sockets and in part is redirected by said oppositely curved reflector to sweep said upper and lower reflectors.
9. The high output, low brightness, ventilated luminaire according to claim 8 wherein a perforated sHield is mounted across said housing from one side wall to the other side wall approximately midway between said top wall and said bottom wall forward of said discharge lamp sockets, said perforated shield being constructed and arranged to shield the arc of the discharge lamps mounted in said sockets from view at normal viewing angles.
10. The high output, low brightness, ventilated luminaire according to claim 9 wherein said perforated shield is curved and the side thereof facing said lamp socket is reflective.
11. The high output, low brightness, ventilated luminaire according to claim 10 wherein said perforated shield is less than 25 percent open.
12. The high output, low brightness, ventilated luminaire according to claim 9 wherein a plurality of light directing louvers are mounted in vertical array between saidd top wall and said bottom wall adjacent said perforated shield, said light directing louvers being individually and selectively adjustable to control the light output pattern of said luminaire.
13. The high output, low brightness, ventilated luminaire according to claim 9 wherein a plurality of light directing louvers are mounted in horizontal array between said side walls forward of said perforated shield, said light directing louvers being individually and selectively adjustable to control the light output pattern of said luminaire.
14. The high output, low brightness, ventilated luminaire according to claim 8 wherein two sets of light directing louvers are mounted in said luminaire, a first set mounted between the top and bottom walls and a second set mounted between said side walls with each louver of each set being individually and selectively adjustable to control the light distribution of said luminaire.
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