CN209762743U

CN209762743U - Anti-dazzle LED lighting module and lamp

Info

Publication number: CN209762743U
Application number: CN201920699268.7U
Authority: CN
Inventors: 史杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-16
Filing date: 2019-05-16
Publication date: 2019-12-10
Anticipated expiration: 2029-05-16

Abstract

the utility model discloses an anti-dazzle LED lighting module and lamps and lanterns belongs to LED lighting technology field. The anti-dazzle LED lighting module comprises a heat dissipation plate and an LED light source, wherein the LED light source is installed on a substrate of the heat dissipation plate, an optical lens is covered on the LED light source, a shading cover cap is arranged outside the optical lens, and at least one part of the optical lens penetrates through the shading cover cap. The utility model discloses an anti-dazzle LED lighting module, optical lens are used for adjusting the direction and the angle that light propagated, realize anti-dazzle through the interception light effect of shading shroud on the basis that does not influence the illuminance. The utility model discloses an anti-dazzle LED illumination lamps and lanterns through increasing the different lamp body structure of cooperation on the basis of illumination module, the grading design process of effectual simplification LED lamps and lanterns.

Description

Anti-dazzle LED lighting module and lamp

Technical Field

the utility model belongs to the technical field of the LED illumination, more specifically says, relates to an anti-dazzle LED lighting module and lamps and lanterns.

Background

Under the condition that an LED light source is not provided with any lighting light distribution device, a light intensity distribution curve is in a Lambert shape (as shown in figure 1a), in order to realize large-angle uniform light distribution in the practical application of a lighting lamp, the currently generally adopted scheme is that an optical lens (as shown in figures 2a and 2b) is assembled on the LED light source of a road lighting lamp or an indoor lighting lamp, the optical lens is made of transparent plastic or transparent glass, and in this way, the batwing light shape (as shown in figure 1b) of the large-angle uniform light distribution is realized and the LED light source is applied to various road lighting and office lighting products. In lighting technology, two main problems are faced, one is how to improve the uniformity of the emitted light, and the other is how to achieve anti-glare.

To current LED lighting device because of illuminance is uneven, produce the glare and lead to the navigating mate to produce fatigue, the not enough of incident appears easily, has had relevant technical scheme to disclose among the prior art, like patent application number: 2015109238147, filing date: the invention is named as: the application discloses a LED grille lamp, and this application discloses a LED grille lamp, including light guide plate, main grid strip, light source board and set up the LED light source on this light source board, this light guide plate sets up the top at this main grid strip, and the top at this main grid strip is fixed to the bottom of this light source board, the LED light source sets up on this light source board, and the lateral wall of this light guide plate corresponds the LED light source setting on this light source board, and this light guide plate is used for refracting the light that this LED light source sent along the direction towards this main grid strip. The device is through fixing the bottom of light source board at the top of this main grid strip, and through the LED light source setting on corresponding this light source board with the lateral wall of this light guide plate, this light guide plate is used for refracting the light that this LED light source sent along the direction towards this main grid strip simultaneously. Through fixing this light source board on this main grid strip, just saved and set up fixed light source board of fixed knot structure in addition on the grille lamp to make this LED grille lamp can realize even illumination, prevent the purpose of glare.

The main grid bars are used for preventing glare and uniformly illuminating, but the brightness is greatly influenced, in order to ensure that the brightness is not influenced, the power of the LED is required to be improved, and a heat dissipation device, a circuit board and the like which are matched with the LED are required, so that the basic energy consumption is improved, and an obvious energy-saving effect is not achieved.

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.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an anti-dazzle LED illumination module and lamps and lanterns to solve current illumination lamps and lanterns and be difficult to obtain higher illumination degree of consistency and the problem that produces the glare, through optical lens with direction and the angle of heart adjustment light propagation, realize anti-dazzle through the interception effect of shading shroud on the basis that does not influence illuminance.

the utility model discloses a realize through following technical scheme:

An anti-dazzle LED lighting module comprises a heat dissipation plate and an LED light source; the LED light source is arranged on the substrate of the heat dissipation plate;

The optical lens covers the LED light source;

And the light shielding cover covers the optical lens, and at least one part of the optical lens is not covered by the light shielding cover.

the optical lens comprises an incident curved surface and an emergent curved surface;

The light shield cover comprises at least one light shield, and the light shield is matched with the emergent curved surface of the optical lens.

The section of the incident curved surface of the optical lens is semicircular or elliptic; the section of the emergent curved surface of the optical lens, which is the same as the incident curved surface, is in the shape of a semicircle, an ellipse or a combination of a plurality of arc line segments;

the optical lens is matched with the LED light source to form a light distribution light shape.

The light shield cover comprises two light shield covers which are symmetrically distributed, and an included angle formed between straight lines extending from the tail ends of the two light shield covers to the center position of the LED light source is 60-140 degrees.

The LED light source is formed by arranging a plurality of LED light source particles into a combination larger than 10W or packaging a plurality of LED chips COB into an integration larger than 10W.

The heat dissipation plate is a heat dissipation plate with heat dissipation ribs or a heat dissipation plate without heat dissipation ribs.

A lamp comprises at least one group of anti-dazzle LED illuminating module, and the anti-dazzle LED illuminating module is matched with a lamp body structure to form the anti-dazzle LED illuminating lamp.

The utility model has the advantages that:

The technical scheme provided by the utility model, compared with the prior art, following beneficial effect has:

(1) The utility model discloses an anti-dazzle LED lighting module, the LED light source is covered with optical lens, and optical lens is equipped with the shading shroud outward, and optical lens exposes from this shading shroud partly at least, and the optical lens who exposes in the shading shroud is used for adjusting the direction and the angle that light propagated, can not influence lighting module's illuminance, and light has realized the anti-dazzle through shading shroud after the light interception, effectively avoids the people's eye to produce the discomfort.

(2) The utility model discloses an anti-dazzle LED lighting module, lens hood cover are equipped with two symmetric distribution's lens hood, and the contained angle that each lens hood end formed between to the straight line that LED light source central point put the extension is 60-140, can control LED light source light-emitting angle in order to adapt to different service environment through adjusting this contained angle, reach anti-dazzle effect.

(3) The utility model discloses an anti-dazzle LED illumination lamps and lanterns can increase the different lamp body structure of cooperation on illumination module's basis, can provide the angle of protection of equidimension not in actual LED illumination product is used to realize the function of various application scenario anti-dazzle, illumination module array formation illumination interval is bigger in proper order, the higher grading light shape of illuminance, the grading design process of effectual simplification LED lamps and lanterns.

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 LED light source assembly;

FIG. 1b is a batwing-shaped light distribution curve of the LED light source assembly;

FIG. 2a is a schematic structural view of an LED light source module equipped with a single large glass optical lens;

FIG. 2b is a schematic structural diagram of an LED light source module equipped with array-arranged optical lenses;

Fig. 3a is a partial cross-sectional view of the anti-glare LED lighting module of the present invention;

fig. 3b is a partial cross-sectional view of the non-attached two-side shading of the anti-glare LED lighting module of the present invention;

fig. 3c is a longitudinal cross-sectional view of the anti-glare LED lighting module of the present invention;

Fig. 3d is a transverse cross-sectional view of the anti-glare LED lighting module of the present invention;

fig. 4 is an exploded schematic view of the anti-glare LED lighting module of the present invention;

Fig. 5 is a schematic structural view of the anti-glare LED lighting device of the present invention.

Description of the reference numerals

10 heating panels, 101 substrates, 102 heat dissipation ribs, 20LED light sources, 30 optical lenses, 40 light shielding cover caps, 401 light shielding covers, 50 silica gel layers and 60 connecting pieces.

Detailed Description

The technical solutions of the present invention are described in detail below by way of examples, which are only exemplary and can be used only for explaining and explaining the technical solutions of the present invention, but should not be construed as limiting the technical solutions of the present invention.

Example 1

Glare refers to the unadaptable brightness feeling caused by inappropriate brightness distribution in the visual field, and with reference to fig. 3a and 4, the present application provides an anti-glare LED lighting module, which includes a heat dissipation plate 10 and an LED light source 20; the LED light source is mounted on the substrate 101 of the heat dissipation plate.

In this embodiment, the heat dissipation plate 10 is a heat dissipation plate with heat dissipation ribs 102 or a heat dissipation plate without heat dissipation ribs, which are all the prior art, and for the heat dissipation plate without heat dissipation ribs, for example, a structure such as a uniform temperature plate can be selected, and as for the structure of the heat dissipation plate, implementation of the technical solution of the present application is not affected, so that the heat dissipation plate will not be described in this embodiment and the following embodiments.

An optical lens 30 covering the LED light source 20; in the application, the optical lens includes an incident curved surface and an exit curved surface, where the incident curved surface is a surface close to the LED light source and may also be referred to as an inner side surface; the curved exit surface is a surface away from the LED light source and may also be referred to as an outer side surface.

The overall shape (outer shape) of the optical lens is a spherical shape, an elliptical shape, a shape in which a plurality of spheres are intersected (tangent) or a shape in which a plurality of ellipses are intersected (tangent), where the plurality is at least two.

in the present embodiment, the longitudinal section of the incident curved surface of the optical lens is semicircular or elliptical; the longitudinal section of the emergent curved surface of the optical lens is in a semicircular shape, an elliptic shape or a combination of a plurality of arc line segments; the cross section herein refers to a cross section perpendicular to the substrate of the heat dissipation plate, and as for the direction of the longitudinal section and the direction of the cross section are both opposite, and the longitudinal section is perpendicular to the cross section, which does not affect the implementation of the technical solution of the present application, for example, when the overall shape of the optical lens is an ellipse, the cross section perpendicular to the long axis may be a longitudinal section, and the cross section perpendicular to the short axis may also be a cross section.

The LED light source 20 is formed by arranging a plurality of LED light source particles into a combination of more than 10W or by packaging a plurality of LED chips COB into an assembly of more than 10W. In other embodiments of the present application, the power of the LED may also be 10W or less.

And the light shielding cover 40 covers the optical lens, and at least one part of the optical lens is not covered by the light shielding cover. The part of the optical lens which is not shielded by the light shielding cover is the exit angle of the light. The shading cover cap is arranged on the optical lens in a covering mode, and a part of the optical lens is not covered, the shading cover cap is matched with the optical lens for use, the optical lens is used for adjusting the direction and the angle of light propagation, the shading cover cap is used for shielding part of light, the other part of the shading cover cap penetrates through the shading cover cap and is used for irradiating a road surface, after the part of the shading cover cap is used for intercepting light, the sight of an outsider cannot directly contact with a naked light source, the anti-dazzle effect is achieved, and discomfort of human eyes is avoided.

In the present embodiment, the connection manner of the light shielding cover 40 and the substrate of the heat dissipation plate is by a connection member 60 such as a bolt connection or an adhesive or other means.

in this embodiment, the light shield cover 40 includes two light shields 401 symmetrically distributed, the shape of the light shield matches with the shape of the optical lens portion in contact, and the light shield is attached to the exit curved surface of the optical lens.

Example 2

The basic structure of the present embodiment is the same as the embodiment, as shown in fig. 3b, the difference is that two symmetrical light shields 401 are disposed on the light shield cover 40, the two symmetrical light shields are not attached to the optical lens, and an included angle between straight lines extending from the ends of the two light shields to the center of the LED light source is 60 ° to 140 °, for example, 60 °, 65 °, 70 °, 75 °, 80 °, 85 °, 90 °, 95 °, 100 °, 105 °, 110 °, 115 °, 120 °, 125 °, 130 °, 135 °, 140 °, or any angle therebetween. The end of the light shield is the outer side of the side opposite to the other light shield, and the light of the LED light source is emitted through the opening formed between the ends of the two symmetrical light shields. The light-emitting angle of the LED light source is controlled by adjusting the included angle beta to adapt to different use environments, so that the anti-glare effect is achieved.

In this embodiment, optical lens 30 is convex lens, and convex lens is used for gathering the light that the LED light source produced, makes light more clear bright through the spotlight effect, reduces the light dispersion, improves road surface illuminance.

in another embodiment of the present application, the light shield and the exit curved surface of the optical lens can be attached.

In this embodiment, a heat conductive adhesive layer is disposed between the optical lens and the substrate of the heat dissipation plate; the heat conducting glue layer is a silica gel layer 50 which plays a role in heat dissipation and adhesion and bonds the optical lens on the substrate of the heat dissipation plate.

Light that the LED light source produced in this embodiment forms comparatively bright light beam under optical lens's spotlight effect, and the lens hood cuts the light effect to this light beam, and the optical lens who passes in the follow lens hood can propagate light, can not influence lighting module's illuminance, and the lens hood can also effectively prevent the glare, forms the angle of protection that prevents visual damage, improves visual experience, slows down visual fatigue.

example 3

The present embodiment provides an anti-glare LED lighting module, which has a structure substantially the same as that of embodiment 2 (as shown in fig. 3c and 3 d), in which the optical lens includes an incident curved surface and an exit curved surface, and the light shield cover is provided with at least one light shield in two directions, and the light shield is attached to the exit curved surface of the optical lens.

Specifically, two light shields are respectively disposed in two directions of the light shield cover, that is, a structure in which the light shields are disposed in four directions is formed on the light shield cover, specifically, see fig. 3c and 3d, and in this embodiment, a total of four light shields are disposed.

The optical lens in this embodiment is an elliptical-like structure composed of two tangent cylinders, and the longitudinal section perpendicular to the major axis is substantially the same as that of the embodiment, see fig. 3 c; the cross-sectional configuration perpendicular to the minor axis is shown in figure 3 d.

The light shield and the optical lens can be jointed or not jointed with each other at a distance.

In a cross section perpendicular to the long axis direction of the optical lens, an included angle between straight lines extending from the ends of the two light shields to the center position of the LED light source is 60 ° to 140 °, and the included angle β may be, for example, 60 °, 65 °, 70 °, 75 °, 80 °, 85 °, 90 °, 95 °, 100 °, 105 °, 110 °, 115 °, 120 °, 125 °, 130 °, 135 °, 140 °, or any angle therebetween.

in the cross section perpendicular to the short axis direction of the optical lens, as shown in fig. 3d, an included angle α 1 formed between straight lines extending from the tail end of the light shield to the center position of the LED light source is 20 ° -80 °, and an angle α 2 formed between straight lines extending from the tail end of the light shield to the center position of the LED light source is 20 ° -80 °, and further, the light emitting angle of the LED light source can be controlled by adjusting the included angles α 1, α 2, and β to adapt to different use environments, thereby achieving the anti-glare effect.

Light that the LED light source produced in this embodiment forms comparatively bright light beam under optical lens's spotlight effect, the lens hood with cut the light effect respectively to this light beam, the optical lens who passes in the follow lens hood can propagate light, can not influence lighting module's illuminance, the lens hood can also effectively prevent the glare, forms the angle of protection that prevents visual damage, improves visual experience, slows down visual fatigue.

example 4

The structure of the anti-glare LED lighting module is basically the same as that of the embodiment 1, in the embodiment, the longitudinal section of the incident curved surface of the optical lens is semicircular or elliptical, and the longitudinal section of the emergent curved surface is a combination of semicircular, elliptical or arc line segments; specifically, the longitudinal section refers to a section formed by longitudinally cutting the optical lens along a direction perpendicular to the substrate, specifically, in this embodiment, the longitudinal section of the incident curved surface of the optical lens is in an oval shape, the longitudinal section of the emergent curved surface is a combination of two arc line segments, and the optical lens is matched with the LED light source to form different light distribution shapes and illumination areas.

In this embodiment, the incident curved surface and the exit curved surface of the optical lens are both smooth free-form curved surfaces with respective curvatures, the above structure is only an example and is not particularly limited, the shape of the optical lens can be designed according to the distribution of the LED light sources, and meanwhile, the light shield arranged on the light shield cover is correspondingly adjusted to adapt to different use occasions and meet the requirements of different use environments on the illumination range and the illumination angle.

example 5

the structure of the anti-glare LED lighting module of the present embodiment is substantially the same as that of embodiment 1, except that: the LED light source is integrated by a plurality of LED chips COB in this embodiment. In this embodiment, the lens hood cover is provided with a mounting hole for mounting the connector 60, so as to connect the lens hood cover and the substrate of the heat dissipation plate. The connecting piece is the nut in this embodiment, and the mounting hole is the screw hole, and the shading shroud is connected with the base plate threaded connection of heating panel to convenient the dismantlement simplifies later stage maintenance process.

further, still be equipped with the cushion between optical lens and the base plate in this embodiment, the cushion silica gel suppression forms, and the cushion sets up along optical lens bottom circumference, and the cushion can play sealed waterproof effect, prevents that steam from getting into optical lens, influences lighting module's light-emitting effect and life.

Example 6

With reference to fig. 5, the anti-glare LED lighting fixture of the present embodiment includes at least one lighting module in any one of the above embodiments, and the lighting module cooperates with the lamp body structure to form the anti-glare LED lighting fixture. Specifically in this embodiment, this lamps and lanterns include three group at least lighting module, and lighting module is array formation illumination interval in proper order is bigger, the higher grading light shape of illuminance, and angle of illumination and irradiation range all obtain promoting to satisfy the needs of different occasions. The lamp body structure in the embodiment can be reasonably selected according to the needs to meet the requirements of various scenes, and the lamp also has the effects of preventing glare, improving visual perception and the like of the lighting module in the embodiments 1-4.

The anti-glare LED illuminating lamp can be additionally provided with different lamp body structures matched on the basis of the illuminating module, and can provide different protection angles in actual LED illuminating product application so as to realize the anti-glare function of various application occasions and effectively simplify the light distribution design process of the LED lamp.

the present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims

1. An anti-dazzle LED lighting module is characterized by comprising a heat dissipation plate and an LED light source; the LED light source is arranged on the substrate of the heat dissipation plate;

The optical lens covers the LED light source;

2. The anti-glare LED lighting module according to claim 1, wherein the optical lens comprises an incident curved surface and an exit curved surface;

3. The anti-glare LED lighting module according to claim 2, wherein the incident curved surface of the optical lens has a semicircular or elliptical cross section; the section of the emergent curved surface of the optical lens, which is the same as the incident curved surface, is in the shape of a semicircle, an ellipse or a combination of a plurality of arc line segments;

4. The module of claim 2, wherein the light shield cover comprises two light shields symmetrically distributed, and an included angle formed between straight lines extending from the ends of the two light shields to the center of the LED light source is 60 ° -140 °.

5. The anti-glare LED lighting module according to claim 1, wherein the LED light source is formed by arranging a plurality of LED light source particles into a combination of more than 10W or COB packaging a plurality of LED chips into an integration of more than 10W.

6. The anti-glare LED lighting module according to claim 1, wherein the heat dissipation plate is a heat dissipation plate with or without heat dissipation ribs.

7. A lamp comprising at least one set of anti-glare LED lighting modules as claimed in any one of claims 1 to 6, wherein the anti-glare LED lighting modules cooperate with a lamp body structure to form the anti-glare LED lighting lamp.