MODULAR LED LINE LIGHT

• US 20170074471A1
• Filed: 09/14/2016
• Published: 03/16/2017
• Est. Priority Date: 09/14/2015
• Status: Active Grant

• Current Assignee: ProPhotonix Limited
• Original Assignee: ProPhotonix Limited
• Inventors: Panek, Peter, Sexton, John, Lynch, Kieran, Brett, John, Kievits, Jan
• Granted Patent: US 10,451,226 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: F21S 2/005 of modular construction
• CPC Class Codes: F21S 4/28 rigid, e.g. LED bars
• CPC Class Codes: F21V 15/01 Housings, e.g. material or assembling of housing parts F21V15/02 takes precedence housings forming signs or letters G09F13/04
• CPC Class Codes: F21V 17/12 by screwing
• CPC Class Codes: F21V 21/005 for several lighting devices in an end-to-end arrangement, i.e. light tracks
• CPC Class Codes: F21V 23/003 the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
• 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 23/06 the elements being coupling devices , e.g. connectors
• CPC Class Codes: F21V 29/58 characterised by the coolants
• CPC Class Codes: F21V 5/004 using microlenses
• CPC Class Codes: F21V 5/007 Array of lenses or refractors for a cluster of light sources, e.g. for arrangement of multiple light sources in one plane combination of two or more refractors F21V5/008
• CPC Class Codes: F21V 5/04 of lens shape
• CPC Class Codes: F21Y 2103/10 comprising a linear array of point-like light-generating elements
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]
• CPC Class Codes: G01N 2021/845 Objects on a conveyor
• CPC Class Codes: G01N 2021/8908 Strip illuminator, e.g. light tube
• CPC Class Codes: G01N 21/8806 Specially adapted optical and illumination features
• CPC Class Codes: G05B 19/042 using digital processors G05B19/05 takes precedence
• CPC Class Codes: G05B 2219/23154 Line of light diodes LED
• CPC Class Codes: G05B 2219/37113 Psd position sensitive detector, light spot on surface gives x, y position
• CPC Class Codes: H05B 45/10 : Controlling the intensity of the light
• CPC Class Codes: H05B 45/14 : using electrical feedback from LEDs or from LED modules
• CPC Class Codes: H05B 45/397 : Current mirror circuits
• CPC Class Codes: Y02B 20/30 : Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Abstract

A modular LED line light, the modular LED line light comprising: at least one line light module, the at least one line light module comprising: a U-shaped body comprising a base and two opposing side walls extending from the base, the base comprising an interior surface and an exterior surface; at least one LED array disposed on the interior surface of the U-shaped body; a rail for receiving the at least one line light module, the rail comprising a first surface and a second surface, wherein the first surface is configured to receive the exterior surface of the base of the U-shaped body of the at least one light module; and a cooling tube for receiving a cooling fluid for removing heat from the at least one line light module, the cooling tube being disposed between the exterior surface of the base of the U-shaped body and the first surface of the rail.

Claims

1. A modular LED line light, said modular LED line light comprising:

at least one line light module, said at least one line light module comprising;

a U-shaped body comprising a base and two opposing side walls extending from the base, said base comprising an interior surface and an exterior surface; and

at least one LED array disposed on said interior surface of said U-shaped body;

a rail for receiving said at least one line light module, said rail comprising a first surface and a second surface, wherein said first surface is configured to receive said exterior surface of said base of said U-shaped body of said at least one light module; and

a cooling tube for receiving a cooling fluid for removing heat from said at least one line light module, said cooling tube being disposed between said exterior surface of said base of said U-shaped body and said first surface of said rail.

2. A modular LED line light according to claim 1 wherein at least one of said exterior surface of said base of said U-shaped body and said first surface of said rail comprises a recess for receiving said cooling tube.

3. A modular LED line light according to claim 2 wherein said exterior surface of said base of said U-shaped body and said first surface of said rail both comprise a recess for receiving said cooling tube.

4. A modular LED line light according to claim 3 wherein said recess in said exterior surface of said base of said U-shaped body and said recess in said first surface of said rail are both aligned with one another when said at least one light module is received on said rail.

5. A modular LED line light according to claim 1 wherein said cooling tube comprises at least two legs disposed substantially parallel to one another.

6. A modular LED line light according to claim 1 wherein said modular LED line light comprises a plurality of line light modules, and further wherein said rail is configured to receive said plurality of line light modules and said cooling tube is configured to remove heat from said plurality of line light modules.

7. A modular LED line light according to claim 1 wherein said at least one line light module is releasably mounted to said rail.

8. A modular LED line light according to claim 7 wherein said at least one line light module is releasably mounted to said rail using at least one screw.

9. A modular LED line light according to claim 1 wherein said modular LED line light comprises a plurality of line light modules, wherein said rail is configured to receive said plurality of line light modules and said cooling tube is configured to remove heat from said plurality of line light modules, wherein each line light module is secured to said rail, and further wherein each line light module is secured to an adjacent line light module using a connector which extends from that line light module to the adjacent line light module.

10. A modular LED line light according to claim 9 wherein said at least one line light module is secured to said rail using at least one screw, and further wherein said connector is secured to each of the adjacent line light modules using at least one screw.

11. A modular LED line light according to claim 1 wherein said modular LED line light comprises a plurality of line light modules, and further wherein said modular LED line light further comprises a common bus bar which delivers electrical power to said plurality of line light modules.

12. A modular LED line light according to claim 11 wherein said common bus bar comprises two copper rods, and further wherein each of said copper rods is electrically connected to each of said plurality of line light modules.

13. A modular LED line light according to claim 12 wherein each copper rod is connected to each of said line light modules using a clip.

14. A modular LED line light according to claim 13 wherein each of said clips is adjustably mounted to a copper rod.

15. A modular LED line light according to claim 14 wherein each of said clips is longitudinally and rotatably adjustable relative to said copper rod.

16. A modular LED line light according to claim 13 further comprising at least one insulating sleeve disposed on a copper rod between two of said clips.

17. A modular LED line light according to claim 12 wherein said two copper rods are disposed outboard of said side walls of said U-shaped bodies of said plurality of line light modules.

18. A modular LED line light according to claim 11 wherein each of said plurality of line light modules comprises an LED driver board for driving said at least one LED array of that line light module, and further wherein said LED driver board is disposed outboard of said side walls of said U-shaped bodies of said plurality of line light modules.

19. A modular LED line light according to claim 1 wherein said at least one line light module further comprises at least one micro lens array for receiving the optical output of said at least one LED array, and a macro lens for receiving the optical output of said at least one micro lens array.

20. A modular LED line light according to claim 19 wherein said at least one LED array comprises a plurality of LEDs substantially aligned along a line axis, wherein said at least one micro lens array collimates the light from said at least one LED array perpendicular to said line axis, and further wherein said macro lens collimates the light from said at least one micro lens array parallel to said line axis.

21. A modular LED line light according to claim 20 wherein the intensity profile of the light from said at least one LED array is balanced vis-à

-vis the collimation provided by said at least one micro lens array and said macro lens so as to provide a near-uniform intensity profile along the length of the beam of light passing through said macro lens.

22. A modular LED line light according to claim 1 wherein said modular LED line light comprises a plurality of line light modules, and further wherein said modular LED line light comprises a controller board for controlling operation of said plurality of line light modules.

23. A modular LED line light according to claim 22 wherein said controller board assigns a unique ID number to each of said plurality of line light modules.

24. A modular LED line light according to claim 23 wherein said controller board automatically assigns a unique ID number to each of said plurality of line light modules when powering on said modular LED line light.

25. A modular LED line light according to claim 23 wherein said controller board assigns a unique ID number to each of said plurality of line light modules in a serial manner, starting at a first line light module and then progressing through each of the remaining line light modules in sequence.

26. A modular LED line light according to claim 23 wherein, when said controller board assigns a unique ID number to a given line light module, the ID numbers of all of the line light modules downstream of the line light module which is currently being assigned its unique ID number are reset in preparation for receiving their own unique ID numbers.

27. A modular LED line light, said modular LED line light comprising:

a plurality of line light modules, each of said line light modules comprising;

a U-shaped body comprising a base and two opposing side walls extending from the base, said base comprising an interior surface and an exterior surface; and

at least one LED array disposed on said interior surface of said U-shaped body;

a rail for receiving said plurality of line light modules, said rail comprising a first surface configured to receive said exterior surfaces of said bases of said U-shaped bodies of said plurality of light modules; and

a common bus bar which delivers electrical power to said plurality of line light modules, wherein said common bus bar comprises two copper rods, wherein each of said copper rods is electrically connected to each of said plurality of line light modules using a clip, wherein each of said clips is longitudinally and rotatably adjustable relative to said copper rod, and wherein said two copper rods are disposed outboard of said side walls of said U-shaped bodies of said plurality of line light modules.

28. A modular LED line light, said modular LED line light comprising:

at least one line light module, said at least one line light module comprising;

a U-shaped body comprising a base and two opposing side walls extending from the base, said base comprising an interior surface and an exterior surface; and

at least one LED array disposed on said interior surface of said U-shaped body;

at least one micro lens array for receiving the optical output of said at least one LED array; and

a macro lens for receiving the optical output of said at least one micro lens array;

wherein said at least one LED array comprises a plurality of LEDs substantially aligned along a line axis, wherein said at least one micro lens array collimates the light from said at least one LED array perpendicular to said line axis, and further wherein said macro lens collimates the light from said at least one micro lens array parallel to said line axis; and

a rail for receiving said at least one line light module, said rail comprising a surface configured to receive said exterior surface of said base of said U-shaped body of said at least one light module.

29. A modular LED line light, said modular LED line light comprising:

a plurality of line light modules, each of said line light modules comprising;

a U-shaped body comprising a base and two opposing side walls extending from the base, said base comprising an interior surface and an exterior surface; and

at least one LED array disposed on said interior surface of said U-shaped body;

a rail for receiving said plurality of line light modules, said rail comprising a first surface configured to receive said exterior surfaces of said bases of said U-shaped bodies of said plurality of light modules; and

a controller board for controlling operation of said plurality of line light modules, wherein said controller board automatically assigns a unique ID number to each of said plurality of line light modules when powering on said modular LED line light, and further wherein said controller board assigns a unique ID number to each of said plurality of line light modules in a serial manner, starting at a first line light module and then progressing through each of the remaining line light modules in sequence.