Modular bollard luminaire louver
First Claim
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1. A modular louver assembly for a bollard luminaire, comprising:
- a louver having an upper surface, a lower surface and an opening;
an annular heat sink disposed aligned with said opening of said louver and adjacent said lower surface and having a central opening, said heat sink having a plurality of fins facing inwardly towards said central opening and forming at least one alignment gap;
a plurality of LEDs disposed on heat sink on a lower surface of said louver and in thermal connectivity with said heat sink fins;
a lens disposed beneath said heat sink and in optical alignment with said LED'"'"'s;
wherein said louver has at least one mating fastener casting extending downward through said alignment gap of said plurality of heat sink fins, said fastener casting providing alignment and connectability of said heat sink and said LED'"'"'s within said modular louver assembly.
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Abstract
A modular louver assembly for a bollard luminaire comprises a louver having an upper surface, a lower surface and an opening, a heat sink disposed within the opening of the louver and adjacent the lower surface, a plurality of LEDs disposed about the heat sink on a lower surface of the louver, and, a lens disposed beneath the heat sink.
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Citations
11 Claims
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1. A modular louver assembly for a bollard luminaire, comprising:
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a louver having an upper surface, a lower surface and an opening; an annular heat sink disposed aligned with said opening of said louver and adjacent said lower surface and having a central opening, said heat sink having a plurality of fins facing inwardly towards said central opening and forming at least one alignment gap; a plurality of LEDs disposed on heat sink on a lower surface of said louver and in thermal connectivity with said heat sink fins; a lens disposed beneath said heat sink and in optical alignment with said LED'"'"'s; wherein said louver has at least one mating fastener casting extending downward through said alignment gap of said plurality of heat sink fins, said fastener casting providing alignment and connectability of said heat sink and said LED'"'"'s within said modular louver assembly. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A modular louver assembly, comprising:
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a lens having a diffuse surface; a louver disposed above said lens, said louver having a central opening; a heat sink positioned between said lens and said louver having an open central aperture and a plurality of cooling fins extending into said central aperture; said heat sink having a plurality of LED mounting surfaces directed toward said lens and supporting a plurality of LEDs; wherein said louver includes a plurality of casting fasteners extending into said heat sink to maintain a predefined orientation between said heat sink and said louver. - View Dependent Claims (8, 9, 10)
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11. A modular louver assembly for a bollard luminaire, comprising:
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a plurality of stacked light modules, each of said light modules having; a heat sink having a plurality of fins extending inwardly to a central aperture; a radially outward surface on said heat sink angled from a radially outward upper edge to a radially inward lower edge; a plurality of LEDs disposed on said radially outward surface; a louver disposed above said heat sink, at least a portion of said fins disposed within an opening of said louver; a lens disposed beneath said heat sink and said louver; wherein said plurality of stacked light modules are interchangeably interconnected in a pre-determined orientation and further wherein said plurality of stacked light modules form a central opening for a convection airflow current.
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Specification