CN211040856U

CN211040856U - Anti-dazzle L ED lighting device

Info

Publication number: CN211040856U
Application number: CN201920660000.2U
Authority: CN
Inventors: 史杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-09
Filing date: 2019-05-09
Publication date: 2020-07-17
Anticipated expiration: 2029-05-09

Abstract

The utility model relates to an anti-dazzle L ED lighting device for lighting fixtures belongs to L ED lighting technology field, including grid, circuit substrate, L ED light source and oval grading optical lens L ED light source is gone up to be covered with oval grading optical lens, oval grading optical lens's cross section is two semicircle tangent shapes or oval or similar ellipse, L ED light source's power is not more than 3W, but this anti-dazzle L ED lighting device list uses or array combination uses, through the technical scheme of this application, overcome current lighting fixture and be difficult to obtain higher illumination degree of consistency and the problem that produces the glare, through the purpose that the grid curb plate reflection or cut the light effect and realize anti-dazzle, curb plate cooperation oval grading optical lens realizes even light-emitting and anti-dazzle.

Description

Anti-dazzle L ED lighting device

Technical Field

The utility model belongs to the technical field of energy-conservation, L ED lighting technology field specifically says so, indicates an anti-dazzle L ED lighting device and combination application thereof very much.

Background

L ED light source without any lighting light distribution device, the light intensity distribution curve is the shape of the Lambertian (as in figure 1a), in order to realize the wide-angle uniform light distribution in the practical application of the lighting lamp, the current commonly adopted scheme is to equip the optical lens 02 (as in figures 2a, 2b) on the L ED light source 01 of the road lighting lamp or the indoor lighting lamp, the optical lens is made of transparent plastic or transparent glass, in this way, the wide-angle uniform bat wing light shape (as in figure 1b) is realized by the light distribution, and the light distribution is applied to various road lighting.

Aiming at the defects that drivers are fatigued and are easy to have safety accidents due to unbalanced illumination and glare of the conventional L ED lighting device, related technical schemes are disclosed in the prior art, for example, patent application No. 2015109238147, application date: 2015, 12 and 11, the invention is named L ED grille lamp, the application discloses a L ED grille lamp, which comprises a light guide plate, main grille strips, a light source plate and L ED light sources arranged on the light source plate, wherein the light guide plate is arranged at the top of the main grille strips, the bottom of the light source plate is fixed at the top of the main grille strips, the L ED light sources are arranged on the light source plate, the side wall of the light guide plate is arranged corresponding to L ED light sources on the light source plate, and the light guide plate is used for refracting light emitted by the L ED light sources along the direction towards the main grille strips.

The device is through fixing the bottom of light source board at the top of this main grid strip, simultaneously through with the lateral wall of this light guide plate correspond the L ED light source setting on this light source board, this light guide plate is used for refracting the light that this L ED light source sent along the direction towards this main grid strip, through fixing this light source board on this main grid strip, just saved and set up fixed structure fixed light source board in addition on the grille lamp, thereby make this L ED grille lamp can realize even illumination, prevent the purpose of glare, the use of main grid strip, the purpose of having played and preventing glare and even illumination, but luminance has received very big influence, in order to guarantee not to influence luminance, must improve L ED's power, and the heat abstractor who matches with it, circuit board etc., make basic energy consumption improve, do not play obvious energy-saving effect.

How to overcome the problem that the existing lighting lamp is difficult to obtain higher illumination uniformity and generate glare and does not influence the brightness of the lighting lamp is a technical problem to be solved urgently in the prior art.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an anti-dazzle L ED lighting device and combination are used to solve current illumination lamps and lanterns and be difficult to obtain higher illumination degree of consistency and the problem that produces the glare, cut off the light effect and the purpose that oval grading optical lens realized anti-dazzle through the grid curb plate, grid curb plate cooperation oval grading optical lens realizes even light-emitting simultaneously.

The utility model discloses a realize through following technical scheme:

an anti-glare L ED lighting device comprises a grid, a circuit substrate, a L ED light source and a light distribution optical lens;

the circuit substrate is arranged on the outer surface of the grid top;

the L ED light source is arranged on the circuit substrate;

the light distribution optical lens covers the L ED light source;

the light distribution optical lens and the grating form an anti-dazzle device.

The cross section of the grating parallel to the circuit substrate is quadrilateral.

The section of the grating parallel to the circuit substrate is rectangular.

The included angle between the grating side plate and the plane of the circuit substrate is 0-90 degrees.

The L ED light source is formed by arranging single L ED light source particles with the particle size not larger than 3W or a plurality of L ED light sources with the particle size not larger than 3W.

The light distribution optical lens is an elliptical light distribution optical lens.

The cross section of the elliptic light distribution optical lens, which is perpendicular to the circuit substrate, is in a shape of two semi-circles tangent or an ellipse or a similar ellipse.

An opening is formed in the top of the light distribution optical lens.

The surfaces of the two side edges of the opening are not perpendicular to the bottom plane of the grating.

The anti-glare L ED lighting device is characterized in that the anti-glare L ED lighting device array combination is applied to a street lamp module or a L ED whole street lamp.

The utility model has the advantages that:

1. the utility model discloses a grid and install L ED light source in the grid to cover at L ED light source and have oval grading optical lens, oval grading optical lens are used for adjusting the direction angle that light propagated, and light is through the reflection, refraction and the interception back of grid curb plate, not only shines the area and promotes to some extent, but also has realized the effect of anti-dazzle, avoids the eyes to produce uncomfortably.

2. The technical scheme of the utility model when using, through a plurality of anti-dazzle L ED lighting device's combination, the equidistance sets up between the grid, and the grid of horizontal setting is arranged with the array of vertical setting, forms evenly distributed's grid array, and light passes the grid of even array distribution for the light-emitting is more even, is favorable to forming balanced illumination interval, can also prevent dazzle simultaneously.

3. The utility model discloses a to the light interception structure setting of grid curb plate, can control the light angle according to the service environment of difference, reach the effect of anti-dazzle, when realizing that the required illumination function that reaches even illuminance of grading design, can effectively restrain the glare, improve visual sensation, slow down visual fatigue.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1a is a Lambertian light distribution curve of an L ED light source module;

FIG. 1b is a batwing-shaped light distribution curve of an L ED light source assembly;

FIG. 2a is a schematic diagram of an L ED light source module with a single large glass optical lens;

FIG. 2b is a schematic diagram of L ED light source module with optical lenses arranged in array;

FIG. 3a is a schematic diagram of a single L ED luminaire with elliptical lenses;

FIG. 3b is a schematic diagram of a lighting device with multiple L ED arrays of elliptical lenses;

FIG. 3c is a schematic view of the scattering or refraction angle between the grid side plate and the L ED light source on the circuit substrate;

FIG. 4 is a schematic structural view of an L ED illumination assembly in embodiment 2;

fig. 5 is another schematic structural diagram of the L ED lighting assembly in embodiment 2.

Description of the reference numerals

01L ED light source, 02 optical lens, 1 grid, 2L ED light source, 3 oval light distribution optical lens, 31 openings, 4 base plates.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1

Referring to fig. 3a, the present embodiment provides an anti-glare L ED lighting device for a road lighting fixture, including a grid 1, where the grid includes grid side plates, and in the present embodiment, a cross section of the grid parallel to a grid top is a regular quadrilateral, and in other embodiments of the present application, a cross section of the grid parallel to the grid top may also be a rectangle or other polygons.

L ED light sources are disposed on the circuit substrate 4, and the elliptical light distribution optical lens covers L ED light sources, in this embodiment, L0 ED light sources are single L ED particles, in other embodiments of the present application, L ED light sources may also be multiple L ED light source particles integrated, or multiple L ED chip COB integrated, or any two or three combinations of the above three L ED light sources, or the above three different L ED light sources or combinations thereof may be used for different anti-glare L ED lighting devices in an array composed of multiple L ED lighting devices, as shown in fig. 3 b.

In the application, L ED light source is formed by arranging L ED light source particles with the weight not more than 3W or a plurality of L ED light sources with the weight not more than 3W.

The circuit substrate 4 is fixed on the outer surface of the grid top, and an included angle β between the grid side plate and the circuit substrate is 0-90 °, for example, 15 °, 20 °, 25 °, 30 °, 35 °, 40 °, 45 °, 50 °, 55 °, 60 °, 65 °, 70 °, 75 °, 80 °, 85 °, 90 °, or any angle therebetween, as shown in fig. 3 c.

Oval light distribution optical lens 3 covers on L ED light source 2's light emitting surface, and in this application, oval light distribution optical lens are convex lens, and convex lens is used for gathering the light that L ED light source 2 produced, makes light reason add clear bright through the spotlight effect, reduces light dispersion, improves the illuminance.

In the application, the cross section of the elliptic light distribution optical lens perpendicular to the substrate is in a shape of two semi-circles tangent, or is in an elliptic shape or an approximately elliptic shape, wherein the cross section is a cross section perpendicular to the major axis direction of the elliptic shape, and the elliptic light distribution optical lens is matched with an L ED light source to form a light distribution shape for road lighting.

The approximate ellipse means that the main body is in the shape of an ellipse, but the ellipse is locally deformed to adapt to different requirements.

When the circuit substrate is fixed on the outer surface of the top of the grating, the oval light distribution optical lens enters the grating through the through hole.

An opening 31 is provided at the top of the elliptical light distribution optical lens, and in this embodiment, the opening 31 extends along the major axis direction of the ellipse, but in other embodiments of the present application, the opening may also extend along the minor axis direction of the ellipse.

The surfaces of the two sides of the opening are not perpendicular to the bottom plane of the grid, namely the surfaces of the two sides of the opening are not perpendicular to the circuit substrate or the top plate of the grid.

Glare refers to the unadaptable light sensation caused by inappropriate brightness distribution in the visual field, and after light rays are reflected, refracted and intercepted by the grating side plates, the sight of people outside a certain distance cannot directly contact the naked light source, so that the anti-glare effect is realized, and discomfort of human eyes is avoided.

Further, the light-exiting angle α can be controlled by adjusting the height of the side plates of the grille to adjust to different environments, as shown in fig. 3c, so as to achieve the anti-glare effect.

Example 2

Fig. 4 shows a combination mode, that is, the anti-glare L ED illumination combination device is formed by splicing three or more grids of anti-glare L ED illumination devices with rectangular cross sections parallel to the top along the same direction, each anti-glare L ED illumination device is provided with a connecting structure, and the anti-glare L ED illumination devices are mutually buckled to form a new illumination plane.

Fig. 5 shows another combination mode, each grid of the anti-glare L ED lighting device forms an anti-glare L ED lighting combination device along two mutually perpendicular directions in an array manner, so that a light distribution shape with a larger illumination interval and higher illumination intensity is formed, and the illumination angle and the illumination range are improved, so as to meet the requirements of different occasions.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An anti-glare L ED lighting device is characterized by comprising a grid, a circuit substrate, a L ED light source and a light distribution optical lens;

the circuit substrate is arranged on the outer surface of the grid top;

the L ED light source is arranged on the circuit substrate;

the light distribution optical lens covers the L ED light source;

the light distribution optical lens and the grating form an anti-dazzle device.

2. The anti-glare L ED lighting device according to claim 1, wherein a cross section of the grid parallel to the wiring substrate is a quadrilateral.

3. The anti-glare L ED lighting device according to claim 2, wherein a cross section of the grid parallel to the circuit substrate is rectangular.

4. The anti-glare L ED lighting device according to claim 2, wherein an included angle between the grid side plates and a plane of the circuit substrate is 0-90 °.

5. The anti-glare L ED lighting device according to claim 1, wherein the L ED light sources are single particles of L ED light sources no larger than 3W or multiple particles of L ED light sources no larger than 3W arranged.

6. The anti-glare L ED lighting device according to claim 1, wherein the light distribution optical lens is an elliptical light distribution optical lens.

7. The anti-glare L ED lighting device according to claim 6, wherein the cross section of the elliptical light distribution optical lens perpendicular to the circuit substrate is two semicircular tangent shapes or an ellipse or a similar ellipse.

8. The anti-glare L ED lighting device according to claim 1, wherein an opening is provided at the top of the light distribution optical lens.

9. The anti-glare L ED lighting device according to claim 8, wherein surfaces of two sides of the opening are not perpendicular to the bottom plane of the grille.

10. The anti-glare L ED lighting device according to any one of claims 1 to 9, wherein the anti-glare L ED lighting device is applied in combination to a street light module or a L ED whole road light fixture.