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A floodlight can include a light source housing assembly, a power source housing assembly, and an intermediate housing assembly mechanically coupled to the light source housing assembly and the power source housing assembly. The light source housing assembly can include a first heat sink having a fr

A floodlight can include a light source housing assembly, a power source housing assembly, and an intermediate housing assembly mechanically coupled to the light source housing assembly and the power source housing assembly. The light source housing assembly can include a first heat sink having a front side and a back side, where the back side includes a number of protrusions extending from a first remainder of the back side, and at least one light source mounted to the front side of the first heat sink. The power source housing assembly can include a second heat sink having a front side and a back side, and at least one power source assembly mounted to the back side of the second heat sink and electrically coupled to the at least one light source. The intermediate housing assembly can include a front side and a back side.

대표청구항 ▼

1. A floodlight, comprising: a light source housing assembly comprising: a thermally conductive first heat sink comprising a first front side and a first back side, wherein the first back side comprises a first plurality of protrusions extending from a first remainder of the first back side, wherein

1. A floodlight, comprising: a light source housing assembly comprising: a thermally conductive first heat sink comprising a first front side and a first back side, wherein the first back side comprises a first plurality of protrusions extending from a first remainder of the first back side, wherein the first plurality of protrusions are substantially parallel with each other; andat least one light source mounted to the first front side of the first heat sink;a power source housing assembly comprising: a thermally conductive second heat sink comprising a second front side and a second back side; andat least one power source assembly mounted to the second back side of the second heat sink and electrically coupled to the at least one light source; andan intermediate housing assembly disposed between and mechanically coupled to the light source housing assembly and the power source housing assembly, wherein the intermediate housing assembly comprises a third front side and a third back side,wherein the first remainder of the first back side, the first plurality of protrusions, and the third front side form a first plurality of air gaps,wherein ambient air flows through the first plurality of air gaps using natural convection and without a device that generates air flow through the first plurality of air gaps. 2. The floodlight of claim 1, wherein the first plurality of protrusions heats to a first temperature when the at least one light source is illuminated, wherein the first temperature is greater than an ambient temperature. 3. The floodlight of claim 2, wherein the ambient air flowing through the first plurality of air gaps causes the first plurality of protrusions to cool to a second temperature, wherein the second temperature is greater than the ambient temperature and less than the first temperature. 4. The floodlight of claim 3, wherein the ambient air flows through the first plurality of air gaps based on a pressure differential between the first plurality of air gaps and outside the first plurality of air gaps. 5. The floodlight of claim 1, wherein the second back side comprises a second plurality of protrusions extending from a second remainder of the second back side, wherein the second plurality of protrusions and the second remainder of the second back side form a second plurality of air gaps. 6. The floodlight of claim 1, wherein the third back side of the intermediate housing assembly comprises a third plurality of protrusions extending from a third remainder of the third back side. 7. The floodlight of claim 6, wherein the third plurality of protrusions, the third remainder of the third back side, and the second front side of the second heat sink form a third plurality of air gaps. 8. The floodlight of claim 7, wherein the third plurality of protrusions heats to a first temperature when the at least one light source is illuminated, wherein the first temperature is greater than an ambient temperature. 9. The floodlight of claim 8, wherein additional ambient air flows through the third plurality of air gaps, causing the third plurality of protrusions to cool to a second temperature, wherein the second temperature is greater than the ambient temperature and less than the first temperature. 10. The floodlight of claim 9, wherein the additional ambient air flows through the third plurality of air gaps based on a pressure differential between the third plurality of air gaps and outside the third plurality of air gaps. 11. The floodlight of claim 1, wherein the intermediate housing assembly is thermally conductive. 12. The floodlight of claim 1, wherein the second front side and the third back side form a cavity. 13. The floodlight of claim 12, further comprising: at least one electrically conductive wire disposed within the cavity and comprising a first end and a second end, wherein the first end is electrically coupled to the at least one light source, and wherein the second end is electrically coupled to the at least one power source assembly. 14. The floodlight of claim 13, wherein the light source housing assembly further comprises a first wiring channel that traverses a portion of the first back side and extends beyond the first remainder of the first back side, wherein the first end of the at least one electrically conductive wire is disposed in the first wiring channel. 15. The floodlight of claim 14, further comprising: a sealing device disposed between a distal end of the first wiring channel and a proximal end of a second wiring channel disposed in the third front side of the intermediate housing assembly. 16. The floodlight of claim 15, wherein the sealing device comprises a thermally insulating material that provides thermal isolation between the first wiring channel of the light source housing assembly and the second wiring channel of the intermediate housing assembly. 17. The floodlight of claim 1, further comprising: a first sealing device disposed between the second front side of the second heat sink and the third back side of the intermediate housing assembly. 18. The floodlight of claim 17, wherein the first sealing device comprises a first thermally insulating material that provides thermal isolation between the second front side of the second heat sink and the third back side of the intermediate housing assembly. 19. The floodlight of claim 18, further comprising: a bezel mechanically coupled to the first front side of the first heat sink; anda second sealing device disposed between the bezel and first front side of the first heat sink. 20. The floodlight of claim 19, wherein the second sealing device comprises a second thermally insulating material that provides thermal isolation between the bezel and first front side of the first heat sink.