WO2011072457A1

WO2011072457A1 - Led distribution device, led lamp and led apparatus

Info

Publication number: WO2011072457A1
Application number: PCT/CN2009/075714
Authority: WO
Inventors: 周文立
Original assignee: 东协金属科技（深圳）有限公司
Priority date: 2009-12-18
Filing date: 2009-12-18
Publication date: 2011-06-23
Also published as: CN102859274A

Abstract

An LED light distribution device includes a mounting block (1) for fitting an LED light source (5), a lens (3) and a reflecting cup (2) for holding the LED light source (5). The mounting block (1) includes a bottom surface (11) and a groove (13) with a bottom wall surface, wherein the bottom wall surface is the LED mounting surface (12) for fitting the LED light source (5). An inclination angle is formed between the LED mounting surface (12) and the bottom surface (11). The bottom of the reflecting cup (2) is fixed to the LED mounting surface (12). The lens (3) covering the opening of the reflecting cup (2) is fixed to the mounting block (1).

Description

Instruction manual

Title of Invention: LED light distribution device, LED lamp and LED device

Technical field

[1] The utility model relates to the field of LED, in particular to an LED light distribution device, an LED lamp and an LED device.

Background technique

[2] With the rapid development of LED (Light Emitting Diode) technology, LED light sources have been widely used in lighting, indication, display and many other fields.

[3] At present, the LED light source is applied to the technical field of illumination, etc., and is usually disposed at a specific mounting position in a lamp holder, a base frame, etc., and optically modulates the light energy emitted from the LED light source to Meet the requirements of uniformity of illumination, high luminous efficiency, and the like. However, this existing application method enables the LED light source to have a fixed light distribution angle after installation, and it is not possible to flexibly adjust the light distribution angle according to specific light distribution requirements. Especially when the required light distribution angle is changed, the adjustment cannot be flexibly. Therefore, the existing application methods have certain limitations, which makes it difficult for the LED light source to meet the needs of various application scenarios. Disclosure of invention

technical problem

[4] The main technical problem to be solved by the utility model is to provide an LED light distribution device, an LED lamp and an LED device which can flexibly adjust the light distribution angle.

Technical solution

[5] In order to solve the above technical problem, the present invention provides an LED light distribution device, which is used for installing LE

The mounting block of the D light source further includes a lens and a reflector for accommodating the LED light source, the mounting block includes a bottom surface and a groove having a bottom wall surface, wherein the bottom wall surface is an LED mounting surface on which the LED light source is mounted. The L ED mounting surface forms an oblique angle with the bottom surface, the cup bottom of the reflector is fixed to the LED mounting surface, and the lens is fixed to the mounting block and covers the cup opening of the reflector.

[6] An LED lamp comprising an LED light source and a mounting block for mounting the LED light source, further comprising a lens And a reflector for accommodating the LED light source, the mounting block includes a bottom surface and a groove having a bottom wall surface, the bottom wall surface is an LED mounting surface on which the LED light source is mounted, and the LED mounting surface and the bottom surface are formed a tilting angle, a cup bottom of the reflector is fixed to the LED mounting surface, and the lens is fixed to the mounting block and covers a cup opening of the reflector.

[7] An LED device comprising an LED light source and a mounting block for mounting the LED light source, further comprising a lens and a reflector for accommodating the LED light source, the mounting block including a bottom surface and a groove having a bottom wall surface The bottom wall surface is an LED mounting surface on which the LED light source is mounted, the LED mounting surface forms an oblique angle with the bottom surface, the cup bottom of the reflector cup is fixed to the LED mounting surface, and the lens and the mounting block Fix and cover the cup mouth of the reflector.

[8] and an LED light distribution device, comprising: a mounting block for mounting an LED light source, the mounting block comprising an LED mounting surface and a bottom surface, wherein the LED mounting surface forms an inclined angle with the bottom surface; A light modulation device is provided.

[9] The light modulation device includes a reflector for accommodating the LED light source.

[10] The light modulation device further includes a diverging lens fixed to the mounting block and covering a cup mouth of the reflector

[11] The mounting block includes a recess, the LED mounting surface is located on a bottom wall surface of the recess, and the reflective cup is located at a wall portion of the recess.

[12] and an LED lamp comprising an LED light source and a mounting block for mounting the LED light source, the mounting block comprising an LED mounting surface and a bottom surface, the LED mounting surface forming an oblique angle with the bottom surface, the LED mounting There are also light modulation devices on the surface.

[13] The light modulation device includes a reflector for accommodating the LED light source, and a diverging lens fixed to the mounting block and covering a cup mouth of the reflector.

[14] The mounting block includes a recess, the LED mounting surface is located on a bottom wall surface of the recess, and the reflective cup is located at a wall portion of the recess.

[15] The LED light source described above is an LED chip or an LED array.

[16] Further, further comprising a pedestal; the LED light source comprises a first LED light source and a second LED light source, the mounting block comprising a first mounting block for mounting the first LED light source and for mounting a second mounting block of the second LED light source; the bottom surfaces of the first mounting block and the second mounting block are fixed on the base frame, And the tilting directions of the LED mounting faces of the first mounting block and the second mounting block are opposite.

[17] The base frame includes a first fixing member and a second fixing member at an angle, and the bottom surfaces of the first mounting block and the second mounting block are respectively fixed to the first fixing member and the second fixing member The opposite side.

[18] and an LED device comprising an LED light source and a mounting block for mounting the LED light source, the mounting block comprising an LED mounting surface and a bottom surface, the LED mounting surface forming an oblique angle with the bottom surface, the LED mounting There are also light modulation devices on the surface.

[19] The light modulation device includes a reflector for accommodating the LED light source, and a diverging lens fixed to the mounting block and covering the cup opening of the reflector.

[20] The mounting block includes a groove, the LED mounting surface is located on a bottom wall surface of the groove, and the reflective cup is located at a wall portion of the groove.

[21] The LED light source described above is an LED chip or an LED array.

[22] Further, further comprising a pedestal; the LED light source comprises a first LED light source and a second LED light source, the mounting block comprising a first mounting block for mounting the first LED light source and for mounting a second mounting block of the second LED light source; the bottom surfaces of the first mounting block and the second mounting block are both fixed on the base frame, and the LED mounting faces of the first mounting block and the second mounting block The tilt direction is opposite.

[23] The base frame includes a first fixing member and a second fixing member at an angle, and the bottom surfaces of the first mounting block and the second mounting block are respectively fixed to the first fixing member and the second fixing member The opposite side.

Beneficial effect

[24] The utility model has the beneficial effects that: the LED light distribution device, the LED lamp and the LED device of the utility model can flexibly design the inclination angle between the LED mounting surface and the bottom surface of the mounting block, and adjust by replacing different mounting blocks. The light distribution angle is used to meet different light distribution requirements. It also realizes optical modulation by means of reflectors, lenses, etc., which improves luminous efficiency and reduces optical loss, so it is suitable for many different applications.

DRAWINGS

1 is a cross-sectional view of an LED light distribution device according to an embodiment of the present invention;

2 is a perspective view of an LED light distribution device according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of light emission of an LED light distribution device according to an embodiment of the present invention; FIG.

4 is a schematic diagram of light emission of an LED lamp according to an embodiment of the present invention. Embodiments of the invention

[29] The present invention will be further described in detail below with reference to the accompanying drawings.

[30] Example 1:

Referring to FIGS. 1 and 2, the LED light distribution device of the present embodiment includes a mounting block 1 and a light modulation device for modulating light energy from the LED light source.

[32] Among them, the mounting block 1 is used for mounting an LED light source, having an LED mounting surface 12 and a bottom surface 11.

The LED mounting surface 12 and the bottom surface 11 form a certain angle of inclination. The LED light source such as an LED chip or an LED array can be mounted on the LED mounting surface 12. The bottom surface 11 can be fixed to a specific mounting position in the lamp holder, the lamp holder and the like. . The light modulating device includes a reflector 2 and a lens 3, and the reflector 2 is mounted on the LED mounting surface 12 for accommodating the LED light source, and the bottom of the reflector 2 is fixed on the LED mounting surface. The lens 3 is also fixed to the mounting block 1 and covers the cup opening of the reflector 2.

[33] The size of the tilt angle can be flexibly designed according to specific needs to adapt to different light distribution angles. Generally, the tilt angle ranges from 0 to 90 degrees. If different light distribution angles are required, it can be replaced with Mounting block 1 with different tilt angles.

[34] The shape and size of the mounting block 1 can also be set according to the specific installation environment, such as cylindrical, square, prismatic or other personalized shapes.

[35] Please refer to FIG. 3, the reflector 2 is used for collecting and guiding light energy from the LED light source 5, and the light distribution surface can be designed as a reflective surface according to the angle of different outgoing light, through the light intensity and the path. The integration increases the optical reflection to achieve the purpose of reducing the light loss, and the surface finish of the reflective surface reaches level 4 or light resistance.

[36] The lens 3 of the present embodiment is a diverging lens, and a condensing lens may be used as needed. The light energy modulated by the secondary light of the reflector 2 is optically resonated by the gap between the reflector 2 and the lens 3, and then scattered in the direction of the arrow, and the secondary light is modulated by the lens 3, whereby the light intensity is greatly improved. Improves luminous efficiency and reduces light loss.

[37] Example 2:

Referring to FIG. 1 and FIG. 3, in the second embodiment, the mounting block 1 further includes a recess 13 . The bottom wall surface 131 of the recess 13 is an LED mounting surface 12 on which the LED light source 5 is mounted, and the LED mounting surface 12 is The bottom surface 11 forms an oblique angle, the reflector 2 is located at the wall portion 132 of the recess 13, and the cup bottom 21 of the reflector 2 is fixed to the LED mounting surface 12. In this embodiment, both the LED light source 5 and the reflector cup 2 are enclosed in the groove 13, and the lens 3 is fixed by the lens fixing member 4. It covers the cup opening 22 of the reflector 2 at the top of the mounting block 1, which takes up less space and is easy to disassemble.

[39] The LED light distribution device of the above-described embodiment can be applied to various LED lamps and LED devices, such as street lamps, searchlights, desk lamps, decorative lamps, and display devices. In addition to being able to obtain a normal circular spot, it is also possible to obtain a shaped spot such as a square, a rectangle, an elliptical spot or the like by selecting the focal length and shape of the lens 3 and adding other concentrating means.

[40] Example 3:

[41] Referring to FIG. 4, the LED lamp or LED device of the present embodiment further includes a pedestal 6, the LED light source 5 includes a first LED light source 51 and a second LED light source 52, and the mounting block 1 includes a first LED light source for mounting. The first mounting block 110 of the 51 and the second mounting block 120 for mounting the second LED light source 52, the bottom surface 11 of the first mounting block 110 and the second mounting block 120 are fixedly mounted on the base frame 6, and the first mounting The tilting direction of the LED mounting surface 12 of the block 110 and the second mounting block 120 is opposite.

[42] In the present embodiment, the light energy from the first LED light source 51 and the second LED light source 52 is optically modulated by the method described above, not only satisfies the light distribution angle requirement, but also has high light efficiency; The scattering directions of the energy intersect, and the spots are complementary and superimposed, and the uniformity of light in the obtained illumination region is good, which can meet the requirements for light uniformity in various illumination fields such as street lamps and other fields.

[43] Further, the base frame 6 further has a first fixing member 61 and a second fixing member 62 which are at an angle with each other, and the bottom surface 11 of the first mounting block 110 and the second mounting block 120 are respectively fixed to the first fixing member 61. And the opposite side of the second fixing member 62. Since the angle between the first fixing member 61 and the second fixing member 62 can be flexibly designed or adjusted according to specific needs, the size of the light shift can be adjusted accordingly.

In addition, in the LED lamp of the present embodiment, the number of the LED light source 5 and the mounting block 1 can also be designed to be three or more, and the size, shape, and light intensity of the optical class can also follow the LED light source 5 and the mounting block 1. The quantity changes accordingly to suit different application scenarios and lighting areas.

[45] The LED light distribution device and the LED lamp of the utility model can flexibly design the light distribution angle according to the inclination angle between the LED mounting surface 12 of the mounting block 1 and the bottom surface 1 1 , and are flexible by replacing different mounting blocks 1 Adjust the light distribution angle to meet different light distribution requirements; Peer, use the reflector 2, lens 3 and other devices to achieve optical modulation, to meet high luminous efficiency, low optical energy loss requirements, so it is suitable for many different applications field.

[46] Since the utility model uses a purely mechanical means for light distribution, no other complicated optical components are required. The structure is simple, thus significantly reducing production costs.

The above is a further detailed description of the present invention in conjunction with the specific embodiments, and it is not intended that the specific implementation of the invention is limited to the description. For those skilled in the art to which the present invention pertains, a number of simple derivations or substitutions may be made without departing from the spirit and scope of the invention.

Claims

Claim

An LED light distribution device, comprising: a mounting block for mounting an LED light source, further comprising: a lens and a reflector for accommodating the LED light source, the mounting block comprising a bottom surface and a groove having a bottom wall surface, The bottom wall surface is an LE D mounting surface on which the LED light source is mounted, the LED mounting surface forms an oblique angle with the bottom surface, the cup bottom of the reflector cup is fixed to the LED mounting surface, and the lens is fixed to the mounting block And cover the cup mouth of the reflector.

An LED lamp comprising an LED light source and a mounting block for mounting the LED light source, further comprising a lens and a reflector for accommodating the LED light source, the mounting block comprising a bottom surface and a bottom wall surface a recessed surface, the bottom wall surface is an LED mounting surface on which the LED light source is mounted, the LED mounting surface forms an oblique angle with the bottom surface, and a cup bottom of the reflector cup is fixed to the LED mounting surface, the lens and the The mounting block secures and covers the cup opening of the reflector.

An LED device comprising an LED light source and a mounting block for mounting the LED light source, further comprising a lens and a reflector for accommodating the LED light source, the mounting block comprising a bottom surface and a concave surface having a bottom wall surface The bottom wall surface is an LED mounting surface on which the LE D light source is mounted, the LED mounting surface forms an oblique angle with the bottom surface, the cup bottom of the reflector cup is fixed to the LED mounting surface, and the lens and the lens are The mounting block secures and covers the cup opening of the reflector.

An LED light distribution device, comprising: a mounting block for mounting an LED light source, wherein the mounting block comprises an LED mounting surface and a bottom surface, wherein the LED mounting surface forms an inclined angle with the bottom surface; A light modulation device is provided.

The LED light distribution device according to claim 4, wherein said light modulation device comprises a reflector for accommodating said LED light source.

The LED light distribution device according to claim 5, wherein said light modulation device further comprises a diverging lens fixed to said mounting block and covering a cup opening of said reflector. The LED light distribution device according to claim 5 or 6, wherein the mounting block comprises a groove, the LED mounting surface is located on a bottom wall surface of the groove, and the reflector cup Located at the wall of the groove.

[Claim S] An LED luminaire comprising an LED light source and a mounting block for mounting the LED light source

The mounting block includes an LED mounting surface and a bottom surface, the LED mounting surface forms an oblique angle with the bottom surface, and the LED mounting surface is further provided with a light modulation device.

[Claim 9] The LED lamp of claim 8, wherein the light modulation device comprises a reflector for accommodating the LED light source, and is fixed to the mounting block and covers the reflector A divergent lens at the mouth of the cup.

[Claim 10] The LED lamp of claim 9, wherein the mounting block comprises a groove

The LED mounting surface is located on a bottom wall surface of the recess, and the reflector cup is located at a wall portion of the recess.

[Claim 11] The LED lamp according to any one of claims 8 to 10, wherein the LE

The D source is an LED chip or an LED array.

[Claim 12] The LED lamp according to any one of claims 8 to 10, further comprising a pedestal; the LED light source comprises a first LED light source and a second LED light source, wherein the mounting block comprises a first mounting block for mounting the first LED light source and a second mounting block for mounting the second LED light source; a bottom surface of the first mounting block and the second mounting block are fixed on the base frame And the tilting directions of the LED mounting faces of the first mounting block and the second mounting block are opposite.

[Claim 13] The LED lamp of claim 12, wherein the pedestal comprises a first fixing member and a second fixing member at an angle, the first mounting block and the second mounting block The bottom surface is fixed to opposite sides of the first fixing member and the second fixing member, respectively.

[Claim 14] An LED device comprising an LED light source and a mounting block for mounting the LED light source

[Claim 15] The LED device according to claim 14, wherein the light modulation device includes a reflector for accommodating the LED light source, and is fixed to the mounting block and covers the reflector A divergent lens at the mouth of the cup.

[Claim 16] The LED device according to claim 15, wherein the mounting block includes a concave a slot, the LED mounting surface is located on a bottom wall surface of the recess, and the reflector cup is located at a wall portion of the recess.

[Claim 17] The LED device according to any one of claims 14 to 16, wherein the L

The ED source is an LED chip or an LED array.

[Claim 18] The LED device according to any one of claims 14 to 16, further comprising a pedestal; the LED light source comprises a first LED light source and a second LED light source, the mounting block comprising a first mounting block for mounting the first LED light source and a second mounting block for mounting the second LED light source; a bottom surface of the first mounting block and the second mounting block are fixed on the base frame And the inclined directions of the LE D mounting faces of the first mounting block and the second mounting block are opposite.

[Claim 19] The LED device according to claim 18, wherein the pedestal includes first and second fixing members at an angle, the first mounting block and the second mounting block The bottom surface is fixed to opposite sides of the first fixing member and the second fixing member, respectively.