Surface mounted light fixture and heat dissipating structure for same

Patent metadata

Field	Value
Publication number	US-10415803-B2
Application number	US-201715782665-A
Country	US
Kind code	B2
Filing date	Oct 12, 2017
Priority date	Apr 26, 2011
Publication date	Sep 17, 2019
Grant date	Sep 17, 2019

Abstract

A light fixture includes a heat dissipating structure, an electronics assembly, and a bolt for attaching the heat dissipating structure to an external panel. The heat dissipating structure includes a first side having multiple outwardly extending projection regions and a socket, for receiving a light source, is formed in an apex of each projection region. A second side of the heat dissipating structure includes a heat sink formed in an internal cavity of each projection region. The heat sink includes fins in contact with and radially arranged about an outer surface of the socket. The electronics assembly is located at the first side of the heat dissipating structure. The bolt includes a passage through which wiring from an external source is routed to the electronics assembly. The electronics assembly includes wires routed through channels in each of the projection regions that electrically interconnect the light sources to the electronics assembly.

First claim

What is claimed is:

1. A device comprising:
a light fixture including:
a heat dissipating structure having a first side and a second side opposing said first side, said first side including at least one projection region extending outwardly forming an apex and a recessed surface formed in said apex, said recessed surface retaining a light source and located between said apex and said second side, and a plurality of fins adjacent to said recessed surface, wherein:
the fins extend from said apex of said projection region past the light source toward the second side; and
the light source substantially directs light in a direction opposite to the second side; and

an electronics assembly located at said first side of said heat dissipating structure, wherein the heat dissipating structure is coupled to an external panel with the second side against a flat surface of the external panel;

an elongated non-corrosive body having a longitudinally aligned interior passage adapted for directing wiring from a first location to a second location; and
a fastening structure formed at a first end of said elongated body, said fastening structure being adapted for attachment to a removable device, said interior passage extending through said fastening structure in order to deliver said wiring to said removable device.

2. The device of claim 1 , wherein said elongated body is coated with a thermally non-conductive material so that said elongated body is substantially thermally non-conductive.

3. The device of claim 1 wherein said fastening structure comprises threads configured to couple with a threaded opening in said removable device.

4. A system comprising:
a light fixture including:
a heat dissipating structure having a first side and a second side opposing said first side, said first side including at least one projection region extending outwardly forming an apex and a recessed surface formed in said apex, said recessed surface retaining a light source and located between said apex and said second side, and a plurality of fins adjacent to said recessed surface, wherein:
the fins extend from said apex of said projection region past the light source toward the second side;
the second side is flat and the fins terminate at the second side; and
the light source substantially directs light in a direction opposite to the second side; and

an electronics assembly located at said first side of said heat dissipating structure, wherein the heat dissipating structure is coupled to an external panel with the second side against a flat surface of the external panel.

5. The system as claimed in claim 4 , wherein said light fixture further comprises a enclosure coupled to said first side of said heat dissipating structure, said electronics assembly is housed in said enclosure, and said enclosure includes a threaded opening, said fastener device being configured to couple to said enclosure via said threaded opening.

6. The system as claimed in claim 5 , wherein said heat dissipating structure and said enclosure are formed as a monolithic casting of heat conducting material.

7. The system as claimed in claim 5 , wherein said light fixture is a first light fixture, said enclosure is a first enclosure, said threaded opening is a first threaded opening, and said system further comprises:
a second light fixture, said second light fixture including a second heat dissipating structure having said first side and said second side, a second enclosure coupled to said first side of said second heat dissipating structure, and a second electronics assembly housed in said second enclosure, wherein said second enclosure includes a second threaded opening; and
a wiring conduit having a first end coupled to said first enclosure at said first threaded opening and having a second end coupled to said second enclosure at said second threaded opening for electrically interconnecting said first and second electronics assemblies.

8. The system as claimed in claim 4 , further comprising a plate configured for placement at a first surface of said external panel, and said fastener device is adapted to pass through an opening in each of said plate and said external panel to fasten said heat dissipating structure against a second surface of said external panel.

9. A method for mounting a light fixture to an external panel comprising:
placing the light fixture adjacent a first side of the external panel, wherein the light fixture comprises:
a heat dissipating structure having a first side and a second side opposing said first side, said first side including at least one projection region extending outwardly forming an apex and a recessed surface formed in said apex, said recessed surface retaining a light source and located between said apex and said second side, and a plurality of fins adjacent to said recessed surface, wherein:
the fins extend from said apex of said projection region past the light source toward the second side; and
the light source substantially directs light in a direction opposite to the second side; and

coupling the light fixture to the external panel with a fastener device.

10. The method of claim 9 , further comprising:
placing a gasket and pressure plate structure at the first side of said external panel over a panel opening formed through said external panel, said gasket and pressure plate structure having a plate opening aligned with said panel opening;
placing an enclosure over said gasket and pressure plate structure at said first side of said external panel, said enclosure having an enclosure opening aligned with each of said panel opening and said plate opening;
inserting the fastener device through said enclosure opening, said plate opening, and said panel opening, said fastener device being non-corrosive; and
compressively attaching said fastener device with said light fixture, wherein said compressively attaching imposes a compressive force between said light fixture and said gasket and pressure plate structure to retain said light fixture in a sealed engagement with said external panel.

11. The method of claim 10 , further comprising positioning a gasket between said second side of said external panel and a back side of said light fixture.

12. The method of claim 10 , wherein a longitudinally aligned interior passage extends through an entirety of said fastener device, and said method further comprises:
directing wiring through said interior passage from a power source external to said enclosure to an electronics assembly housed in said light fixture; and
sealing said interior passage against moisture and air passage.

13. The method of claim 9 , wherein said compressively attaching comprises rotating said fastener device into threaded engagement with a threaded opening extending through said light fixture, wherein said rotating imposes a compressive force between said light fixture and said gasket and pressure plate structure.

14. A device comprising:
an non-corrosive elongated body having a longitudinally aligned interior passage directing wiring from a first location to a second location;
a fastening structure formed at a first end of said elongated body, said fastening structure attachable to a removable device, said interior passage extending through said fastening structure in order to deliver said wiring to said removable device; and
a seal for sealing from air travel, moisture travel and temperature migration to or from a room interior through an interior of the elongated body between the first location and the second location.

Assignees

• Spiro Daniel S

Inventors

• Spiro Daniel S

Classifications

• F21V5/04

  of lens shape · CPC title

• F21Y2105/10

  comprising a two-dimensional [2D] array of point-like light-generating elements · CPC title

• Y10T29/49117

  Conductor or circuit manufacturing · CPC title

• F21V23/008

  the casing being outside the housing of the lighting device · CPC title

• F21V23/0471

  the sensor detecting the proximity, the presence or the movement of an object or a person · CPC title