Light module

• US 9,163,823 B2
• Filed: 04/05/2013
• Issued: 10/20/2015
• Est. Priority Date: 04/05/2012
• Status: Active Grant

• Current Assignee: Black & Decker Incorporated (Stanley Black & Decker, Inc.)
• Original Assignee: Black & Decker Incorporated (Stanley Black & Decker, Inc.)
• Inventors: Choksi, Snehal S., Watson, James B., Watts, Fred S., Wojcicki, Andrzej R., Concari, Gabriel, Gibson, Leon T., Bascom, James P.
• Primary Examiner(s): BANNAN, JULIE A
• Application Number:
  US13/857,268
• Publication Number:
  US 20130265766A1
• Time in Patent Office: 928 Days
• Field of Search: 362/249.01, 362/249.02, 362/294, 362/373, 362/368, 362/431
• US Class Current: 1/1
• CPC Class Codes: F21S 8/081 of low-built type, e.g. landscape light
• CPC Class Codes: F21V 17/08 onto the supporting or suspending arrangements of the lighting device, e.g. power cords, standards
• CPC Class Codes: F21V 21/06 Bases for movable standing lamps; Fixing standards to the bases F21V21/08 takes precedence
• CPC Class Codes: F21V 21/10 Pendants, arms, or standards; Fixing lighting devices to pendants, arms, or standards adjustable mounting F21V21/14; construction of posts not peculiar to use with lighting devices E04H12/00
• CPC Class Codes: F21V 21/116 Fixing lighting devices to arms or standards F21V21/002 takes precedence
• CPC Class Codes: F21V 21/145 for portable lighting devices
• CPC Class Codes: F21V 21/22 telescopic
• CPC Class Codes: F21V 23/002 Arrangements of cables or conductors inside a lighting device, e.g. means for guiding along parts of the housing or in a pivoting arm
• CPC Class Codes: F21V 23/009 the casing being inside the housing of the lighting device
• CPC Class Codes: F21V 23/02 the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
• CPC Class Codes: F21V 29/74 with fins or blades
• CPC Class Codes: F21V 29/76 with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
• CPC Class Codes: F21W 2131/1005 of working places, building sites or the like
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]

Abstract

A light stand assembly with a base having pivoting legs and a power supply circuit. An adjustable post detachably connects to the base. The adjustable post is configured for telescoping movement between a lower position and a raised position, and secures at a selected position with latches. An adjustable post connector moveably connects to the adjustable post. A pair of light modules detachably connect to the adjustable post connector and operatively connects to the power supply circuit.

Claims

1. A light module for a light assembly, comprising:

a housing having a generally triangular prism shape and defining a chamber and two side openings;

a heat sink mounted within the housing chamber and partially exposed via the two side openings to surrounding atmosphere for heat transfer;

an LED array mounted to the heat sink for heat transfer from the LED array to the heat sink;

a light cover mounted to the housing to allow illumination from the light to pass therethrough;

a light interface mounted to the housing and operatively connected to the LED array, the light interface configured for detachable mating with the light stand assembly; and

a convertor mounted to the heat sink and operatively connected to the light interface.

2. The light module of claim 1, the heat sink comprising:

a first mounting surface for mating with the LED array;

a second mounting surface for mating with the converter; and

a plurality of cooling fins extending between the first mounting surface and the second mounting surface, thereby forming a generally triangular prism.

3. The light module of claim 1, the LED array comprising a plurality of light emitting diodes configured to emit light in a range of about 1500 lumens to about 1800 lumens.

4. The light module of claim 1, the heat sink being configured to maintain the temperature of the LED array below about 90°

Celsius.

5. The light module of claim 1, the heat sink being configured to transfer heat from the LED array and the convertor to the atmosphere, so that the temperature of the heat sink is 60°

C. or below during operation.

6. The light module of claim 1, the heat sink being a size of about 130 mm×

50 mm×

57 mm.

7. The light module of claim 1, the heat sink being a weight of about 375 g.

8. The light module of claim 1, the convertor comprising a DC-to-DC convertor.

9. The light module of claim 1, further comprising a thermally conductive and electrically insulating material mounted between the convertor and the heat sink.

10. A detachable light module, comprising:

a housing having an interface configured for detachable mating with a power source, the housing having a generally triangular prism shape and defining a chamber and two side openings;

a heat sink mounted within the housing chamber and partially exposed via the two side openings for heat transfer from the heat sink to a surrounding atmosphere;

a light mounted to the heat sink for heat transfer from the light to the heat sink, and operatively connected to the interface;

a light cover mounted to the housing to allow illumination from the light to pass therethrough; and

a convertor mounted to the heat sink and operatively connected to the light interface.

11. The detachable light module of claim 10, the heat sink comprising:

a first mounting surface for mating with the light;

a second mounting surface for mating with the converter; and

a plurality of cooling fins extending between the first mounting surface and the second mounting surface, thereby forming a generally triangular prism.

12. The detachable light module of claim 10, the light comprising a plurality of light emitting diodes configured to emit light in a range of about 1500 lumens to about 1800 lumens.

13. The detachable light module of claim 10, the heat sink being configured to maintain the temperature of the light below about 90°

Celsius.

14. The detachable light module of claim 10, the heat sink being configured to transfer heat from the light and the convertor to the surrounding atmosphere, so that the temperature of the heat sink is 60°

C. or below during operation.

15. The detachable light module of claim 10, the heat sink being a size of about 130 mm×

50 mm×

57 mm.

16. The detachable light module of claim 10, the heat sink being a weight of about 375 g.

17. The detachable light module of claim 10, the convertor comprising a DC-to-DC convertor.

18. The detachable light module of claim 10, further comprising a thermally conductive and electrically insulating material mounted between the convertor and the heat sink.