Finite element and multi-distribution LED luminaire

Abstract

A luminaire comprised generally of a mounting plate including a plurality of mounting blocks secured to the mounting plate; and a plurality of LEDs, wherein at least one of the LEDs is positioned upon each of the mounting blocks. The mounting blocks include face portions and may be arranged in a plurality of configurations on the mounting plate.

Claims

1. A luminaire for providing illumination to a plurality of lighting areas comprising: a mounting plate having a mounting surface and a plurality of individually positionable mounting blocks removably secured to said mounting surface of said mounting plate, each of said mounting blocks having a mounting face positioned at a fixed predetermined plate angle relative to said mounting plate; wherein said plate angle of each of said mounting blocks is fixed and determinable prior to securing of said mounting blocks to said mounting plate, and wherein each of said mounting blocks comprises a bottom edge which in use is parallel to and sits flush against said mounting surface of said mounting plate; a plurality of light emitting diode housings, each of said light emitting diode housings contains no more than one light emitting diode and is positioned on said mounting face of one of said plurality of mounting blocks, whereby each mounting block contains no more than one light emitting diode housing; and whereby each of said light emitting diode housings is positioned at a predetermined angle relative to said mounting plate by virtue of said mounting face and each of said light emitting diode housings is not in direct contact with the mounting plate; and, wherein said mounting face of said mounting blocks are angled at predetermined varying pitches relative to said mounting plate.

2. A luminaire as claimed in claim 1, wherein said mounting blocks are secured to said mounting plate in a patterned array to illuminate a plurality of lighting areas.

3. A luminaire as claimed in claim 2 wherein said patterned array is a plurality of concentric circles.

4. A luminaire as claimed in claim 2 wherein said patterned array is a matrix of predetermined size.

5. A luminaire as claimed in claim 1 wherein said mounting plate is substantially planar and uninterrupted.

6. A luminaire as claimed in claim 1 wherein said mounting blocks have a plurality of different heights.

7. A luminaire as claimed in claim 1 wherein said mounting plate further comprises a plurality of orienting surfaces to which said mounting blocks are secured by one or more screw elements.

8. A luminaire for providing illumination to a plurality of lighting areas comprising: a mounting plate having a mounting surface and a plurality of individually positionable mounting blocks removably secured to said mounting surface of said mounting plate, each of said mounting blocks having a fixed bottom surface most closely adjacent said mounting plate, each mounting block having a mounting face positioned at a fixed predetermined plate angle relative to said mounting plate and at a fixed predetermined surface angle relative to said bottom surface, and wherein each of said mounting blocks comprises a bottom edge which in use is parallel to and sits flush against said mounting surface of said mounting plate; wherein said mounting face of said mounting blocks are angled at predetermined varying pitches relative to said mounting plate; and wherein said fixed plate angle of each mounting block is the same as said fixed surface angle thereof; a plurality of light emitting diode housings, each of said light emitting diode housings contains no more than one light emitting diode and is positioned on said mounting face of one of said mounting blocks, whereby each mounting block contains no more than one light emitting diode housing; and whereby each of said light emitting diode housings is positioned at a predetermined angle relative to said mounting plate by virtue of said mounting face and each of said light emitting diode housings is not in direct contact with the mounting plate.

9. A luminaire as claimed in claim 8 wherein said mounting blocks are secured to said mounting plate in a patterned array to illuminate a plurality of lighting areas.

10. A luminaire as claimed in claim 9 wherein said patterned array is a plurality of concentric circles.

11. A luminaire as claimed in claim 9 wherein said patterned array is a matrix of predetermined size.

12. A luminaire as claimed in claim 8 wherein said mounting plate is substantially planar.

13. A luminaire as claimed in claim 12 wherein said mounting plate is uninterrupted.

14. A luminaire as claimed in claim 8 wherein said plurality of mounting blocks have a plurality of different heights.

15. A luminaire as claimed in claim 8 wherein said mounting plate further comprises a plurality of orienting surfaces to which said mounting blocks are secured by one or more screw elements.

16. A luminaire as claimed in claim 15 wherein each of said of said orienting surfaces is substantially planar and uninterrupted.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) The aspects and advantages of the present invention will be better understood when the detailed description of the preferred embodiment is taken in conjunction with the accompanying drawings, in which:

(2) FIG. 1 is a side view of a single mounting block and LED housing;

(3) FIG. 2 is an alternative mounting and LED housing;

(4) FIG. 3 is an exploded perspective view of a single LED housing and a mounting block;

(5) FIG. 4 is a plan view of a luminaire with LED housings arranged on mounting blocks in a matrix array;

(6) FIG. 5 is a perspective view of a luminaire with LED housings arranged on mounting blocks in the same array as in FIG. 4;

(7) FIG. 6 is a plan view of the luminaire having the mounting block array of FIG. 5;

(8) FIG. 7 is a perspective view of a luminaire with LEDs arranged on mounting blocks in a circular array;

(9) FIG. 8 is a plan view of the luminaire having the mounting block array of FIG. 7;

(10) FIG. 9 is an isometric view of one embodiment of the mounting plate of the present invention; and

(11) FIG. 10 is a view of the mounting plate taken along the ling 10 of FIG. 9.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

(12) While this invention is susceptible of embodiments in many different forms, there are shown in the Figures and will herein be described in detail, preferred embodiments of the invention with the understanding that the present disclosure is to be considered as an exemplification of the principles of the invention, and is not intended to limit the broad aspects of the invention to the embodiments illustrated.

(13) Referring now to the drawing FIGS. 1-4, the present invention provides a luminaire 1 or lighting fixture generally comprised of a housing 10 that may be plurality of shapes, depending upon the luminaire. A mounting plate 14 is secured within luminaire 1 housing 10. While mounting plate 14 as shown is generally planar and rectangular in shape, one of ordinary skill in the art will appreciate that mounting plate 10 may be produced in a wide variety of shapes to accommodate a particular luminaire 1 shape.

(14) A light emitting diode (i.e., LED) housing 20 includes an LED 22 which is connected to a suitable power source (not shown), for example a DC power supply and comcomitant wiring. The housing 20 may further include a lens 24 for focusing light emitted from LED 24. A plurality of mounting blocks 30a and 30b, each having a face portion 32 are secured at various locations to mounting plate 14. As shown in FIG. 3, the mounting blocks 30a,b may include at least one aperture 34 that accepts a conventional fastener 36 to secure mounting blocks 30a,b to mounting plate 14. The face portion 32 of mounting blocks 30 may be positioned at an angle relative to mounting plate 14 to define the angle of light emission from LEDs 22, as will be discussed further herein below.

(15) As best viewed in FIGS. 1 and 2, the face portion 32 of each mounting block 30a,b has a predetermined angle w relative to mounting plate 14 that varies depending upon the height of sides a and b of mounting blocks 30a,b. A luminaire 1 may include a plurality of mounting blocks 30a,b having various face portion 32 angles 2, for directing light to a plurality of lighting zones or areas. The configuration and array of mounting blocks 30 on mounting plate 13 shown in FIGS. 5-8 are exemplary of the plurality of configurations and arrays that are made possible by the instant invention.

(16) Referring again to FIGS. 1 and 2, LED housing 20 is mounted on face portion 32 of mounting blocks 30a,b, which are in turn secured at various locations to mounting plate 14. While many different types of light emitting devices may be employed with the system of the present invention, for example incandescent bulbs or the like, LEDs 22 may be advantageously employed since they have a long service lifetime, are efficient light emitters, and require a relatively small amount of electrical energy, which distinguishes them from other types of known in the art lamps. By securing LED housing 20 to angled face portion 32 of mounting blocks 30a,b, the LED 22 is disposed at an angle relative to mounting plate 14, thereby permitting light to be directionally emitted based upon the angle of face portion 32.

(17) In one embodiment of the present invention, mounting blocks 30 further include an integral socket 50 for accepting LED housing 20, whereby the socket 50 electrically connects LED 22 to a power source. In this embodiment of the present invention, power wiring (not shown) is routed to each individual mounting block 30 and socket 50 so that an LED housing 20 may be readily replaced if defective, or if an LED having a different intensity is desired for a given lighting application. This feature of the present invention permits a user to quickly and efficiently customize a luminaire 1 for a wide variety of lighting applications. In an alternative embodiment of the present invention, an adhesive, for example a thermally conductive adhesive, may be used to secure the LED housing 20 directly to mounting block 30 without the necessity of using a socket 50.

(18) Furthermore, the present invention provides a system that permits a user to individually adjust and aim LEDs 22 by utilizing a plurality of mounting blocks 30 having different pitches w for face portions 32, and different overall heights a. As seen in FIGS. 1, 2, 6, and 8, mounting blocks 30 may have a variety of different heights a and face portion 32 angles 2, to effect a desired illumination distribution. Mounting blocks 30a,b having larger angles w may be positioned, in one example, towards the perimeter of mounting plate 14 whereby light emitted from LEDs 22 mounted thereon would be aimed further outwardly from the luminaire 1 than those LEDs 22 mounted towards the center of mounting plate 14.

(19) As can be seen from the exemplary embodiments shown in FIGS. 5 and 7, mounting blocks 30 and comcomitant LED housings 20 may be positioned in an infinite variety of arrays and configurations on mounting plate 14. FIG. 7 depicts an array of mounting blocks 30 and LEDs 22 forming concentric circles on mounting plate 14. FIG. 5 depicts a five by six matrix array of mounting blocks 30 and LEDs 22. Accordingly, it is readily seen that by varying the placement, the face portion 32 angle w, and the height of mounting blocks 30, a single luminaire can be customized to provide illumination for an enormous number of lighting design applications.

(20) In a yet further embodiment of the invention as depicted in FIG. 1, individual LEDs 22 may be equipped with a rheostat R1 or equivalent dimmer switch, and/or an on/off switch S1 to permit the LED 22 to either operate at lower power and thus reduced luminosity, or be turned off entirely. Furthermore, a bank or plurality of LEDs 22 may be so equipped such that the entire bank may be dimmed or powered off simultaneously.

(21) This feature of the present invention permits further customization of a luminare 1 without requiring a user to replace LEDs 22 or reconfigure mounting blocks 30. For example, in the luminaire 1 of FIG. 5, an entire concentric circle of LEDs 22 may be controlled through rheostat R1 and/or switch S1 to vary the overall light intensity emitted thereby. Accordingly, it will be recognized that a plurality of rheostats R1 and switches S1 may be employed to dim or turn off a plurality of LEDs 22 as required by a user.

(22) Referring now to FIGS. 9 and 10, and in accordance with an alternative embodiment of the present invention, mounting plate 14 may comprise a plurality of oriented surfaces 16 to which are secured a plurality of LED housing 20, at various locations. This embodiment of the present invention provides for orientation of LED 22 light emission by simply mounting the housing 20 on the mounting plate 14 surfaces 16, thereby obviating the need for mounting blocks to accomplish the orientation. This embodiment of the invention permits a wide variety of mounting plate 14 oriented surface 16 designs, depending upon the lighting requirements of the application. For example, a plurality of oriented surfaces 16 may conform to a generally curved surface shape of mounting plate 14, or may be angled to provide a mounting location for LEDs such that a particular lighting area is illuminated. LED housings 20 may be spaced along the oriented surfaces 16, or clustered proximate each other as necessary.

(23) Although the present invention has been described in terms of the preferred embodiments thereof, it will be obvious to a person skilled in the art that various alterations and modifications to the instant invention are possible without departing from the scope thereof, set forth in the appended claims.