CN213146168U

CN213146168U - Light-emitting module

Info

Publication number: CN213146168U
Application number: CN202022034710.XU
Authority: CN
Inventors: 洪海波; 徐云鑫; 许明书
Original assignee: Zhangzhou Leedarson Lighting Co Ltd
Current assignee: Zhangzhou Leedarson Lighting Co Ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-05-07
Anticipated expiration: 2030-09-16

Abstract

The utility model discloses a light-emitting module, including module lens, light source board, positioning seat and heat-radiating connecting plate, the up end of positioning seat is an inclined plane, is provided with first louvre on the inclined plane, and module lens and light source board are fixed in on the inclined plane, and the light source board sets up in the module lens, the bottom surface and the heat-radiating connecting plate fixed connection of positioning seat. The technical problems that gaps exist in a light-emitting module in the prior art, the heat dissipation dustproof and waterproof effect is poor, the sealing performance is insufficient, a plurality of parts exist, the installation is complex, the assembly efficiency is low, the light-emitting module radiates all around, ineffective illumination is more, and insufficient illumination is caused are solved.

Description

Light-emitting module

Technical Field

The utility model relates to the field of lighting, and in particular to light-emitting module.

Background

The LED light source has the advantages of energy conservation, environmental protection and high brightness, and the column lamp with the LED as the light source is widely applied to the field of outdoor lighting. Traditional post head lamp service function is single, all has last light-emitting function basically, and goes up light-emitting function and to radiating all around, and ineffective illumination is more, consequently, general illumination is not enough, causes the application scene of post head lamp single. At present, the specific structure of the light-emitting module under the column-free headlamp on the market temporarily, and the normal light-emitting module generally comprises a frame, a light guide plate, a heat dissipation plate and a light source plate, so that a gap exists, the heat dissipation dustproof and waterproof effect is poor, the sealing performance is not enough, and the problems of complex installation, low assembly efficiency and the like exist due to multiple parts.

SUMMERY OF THE UTILITY MODEL

The technical problems that gaps exist in a light-emitting module, the heat dissipation dustproof and waterproof effect is poor, the sealing performance is insufficient, a plurality of parts exist, the installation is complex, the assembly efficiency is low, the light-emitting module radiates all around, ineffective illumination is more, and insufficient illumination is caused in the prior art are solved.

The utility model provides a light-emitting module, including module lens, light source board, positioning seat and heat-radiating connecting plate, the up end of positioning seat is an inclined plane, is provided with first louvre on the inclined plane, and module lens and light source board are fixed in on the inclined plane, and the light source board sets up in the module lens, the bottom surface and the heat-radiating connecting plate fixed connection of positioning seat. The arrangement of the inclined surface and the first heat dissipation hole enables the light emitting module to realize single-side radiation, and the technical problem that the heat dissipation effect is poor is solved.

Preferably, the positioning seat comprises an inclined plane and a lower cavity, and the lower cavity is fixedly connected with the heat dissipation connecting plate. Through the structural design of cavity and first louvre under the positioning seat, be convenient for in time discharge effectively the heat that the light source board produced.

Preferably, the minimum included angle between the inclined surface and the heat radiation connecting plate is within the range of 12-20 degrees. The adjustment of the light angle of the light-emitting module is realized by means of the arrangement of the included angle between the inclined plane and the heat radiation connecting plate.

Preferably, the light source board is provided with a second heat dissipation hole. The second heat dissipation holes are convenient to be communicated with the first heat dissipation holes, and form a heat conduction channel with the lower cavity body, so that a good heat dissipation effect is achieved.

Preferably, the module lens comprises an annular lens sealing inner frame and a module lens outer frame, and a reinforcing rib is arranged between the annular lens sealing inner frame and the module lens outer frame. The arrangement of the reinforcing ribs improves the overall axial tension, compression force or bearing capacity of the module lens.

Further preferably, the module lens further comprises a lens gasket fitted in the annular lens gasket inner frame. The annular lens sealing inner frame and the lens sealing gasket are matched, and waterproof and dustproof sealing protection is further formed on the light source plate.

Preferably, an annular heat dissipation sealing outer groove is formed in the heat dissipation connecting plate, and the annular heat dissipation sealing groove is formed in the circumferential periphery of the lower cavity. Rely on the sealed outer tank setting of annular heat dissipation, be convenient for carry out sealed waterproof dustproof operation to the cavity down.

Preferably, the heat-radiating sealing gasket is arranged in the annular heat-radiating sealing outer groove. Through the cooperation of the annular heat dissipation sealing outer groove and the heat dissipation sealing gasket, the light-emitting module is fixed on the module heat dissipation piece in a sealing mode, and the waterproof and dustproof sealing operation of the light-emitting component is achieved.

Preferably, the module lens surface is provided with at least two transparent portions. Rely on the setting of transparent portion, the lamp pearl on the light source board of being convenient for radiates illumination away.

Further preferably, the transparent portion includes an arc-shaped convex transparent portion or a straight transparent portion. The selection of the arc-shaped convex transparent part and/or the straight transparent part can meet the requirements of different application scenes.

The utility model discloses a light-emitting module, on the first hand, through setting up the inclined plane of certain angle on the positioning seat, make light-emitting module realize single face radiation illumination, solve the problem that the invalid illumination of current light-emitting module is more, cause illumination not enough; in the second aspect, the problems of gaps, poor dustproof and waterproof effects and poor sealing performance of the light-emitting module in the prior art are solved by arranging the lens sealing gasket and the heat dissipation sealing gasket to be respectively matched with the module lens and the heat dissipation connecting plate; the third aspect sets up the setting of cavity under second louvre and the positioning seat through setting up first louvre on the inclined plane, the light source board, forms the heat conduction heat extraction passageway that link up, realizes discharging the heat that the light source board produced high-efficiently in time, improves light emitting module's heat dissipation function. In addition, the assembly of the light-emitting module can be realized through the first screw and the second screw, the whole structure of the light-emitting module is compact, the installation is simple and convenient, and the whole assembly efficiency is improved. The utility model provides a luminous module can be applied to the subassembly of sending down of headlight, increases night scene atmosphere, the parking stall demarcation line of headlight, and road interval monitoring, night scene engineering and road straightness's such application scenes of hanging down measure.

Drawings

The accompanying drawings are included to provide a further understanding of the embodiments and are incorporated in and constitute a part of this specification. The drawings illustrate embodiments and together with the description serve to explain the principles of the invention. Other embodiments and many of the intended advantages of embodiments will be readily appreciated as they become better understood by reference to the following detailed description. The elements of the drawings are not necessarily to scale relative to each other. Like reference numerals designate corresponding similar parts.

Fig. 1 is a perspective view of a lighting module according to an embodiment of the present invention;

fig. 2 is an exploded view of a structure of a light emitting module according to an embodiment of the present invention;

fig. 3 is a bottom view of a lighting module according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a lens module according to an embodiment of the present invention;

fig. 5 is a top view of a lighting module according to an embodiment of the present invention;

fig. 6 is a cross-sectional view along the direction a-a of a top view of a lighting module according to an embodiment of the present invention;

description of the reference numerals: 1. the light source module comprises a module lens, a light source plate 2, a positioning seat 3, a heat dissipation connecting plate 4, a lens sealing gasket 5, a heat dissipation sealing gasket 6, a transparent part 11, an annular lens sealing inner frame 12, a module lens outer frame 13, a reinforcing rib 14, a first screw 15, a second heat dissipation hole 21, a lamp bead 22, a second screw 23, an inclined plane 31, a lower cavity 32, a first heat dissipation hole 311, a fixing structure 312 and an annular heat dissipation sealing outer groove 41.

Detailed Description

In the following detailed description, reference is made to the accompanying drawings, which form a part hereof, and in which is shown by way of illustration specific embodiments in which the invention may be practiced. In this regard, directional terminology, such as "top," "bottom," "left," "right," "up," "down," etc., is used with reference to the orientation of the figures being described. Because components of embodiments can be positioned in a number of different orientations, the directional terminology is used for purposes of illustration and is in no way limiting. It is to be understood that other embodiments may be utilized and logical changes may be made without departing from the scope of the present invention. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the present invention is defined by the appended claims.

Referring to fig. 1 and 2, fig. 1 shows a perspective view of a light emitting module according to an embodiment of the present invention, fig. 2 shows a structural exploded view of a light emitting module according to an embodiment of the present invention, as shown in fig. 1 and 2, the light emitting module includes a module lens 1, a lens gasket 5, a light source plate 2, a positioning seat 3, a heat dissipating connecting plate 4 and a heat dissipating gasket 6, wherein the module lens 1 and the light source plate 2 are fixed on an inclined plane 31 on the positioning seat 3, the lens gasket 5 is used for sealing the module lens 1 on the inclined plane 31, a second heat dissipating hole 21 on the light source plate 2 is communicated with a first heat dissipating hole 311 on the inclined plane 31 to form a heat conducting channel of the light source plate 2, and a lamp bead 22 is located on both sides of the second heat dissipating hole 21 and installed under a transparent portion 11 of the module lens 1, preferably, the lamp bead can adopt an LED light source, the bottom of the positioning seat 3 is connected with the heat radiation connecting plate 4, the minimum included angle between the inclined surface 31 on the positioning seat 3 and the heat radiation connecting plate 4 is within the range of 12-20 degrees, so that the light of the lamp bead 22 can be conveniently radiated out through the single surface of the transparent part 11, and the heat radiation sealing gasket 6 is fixed at the bottom of the heat radiation connecting plate 4 and used for forming a sealing structure with a module heat radiation piece, so that the dustproof and waterproof effects are realized.

In some specific embodiments, referring to fig. 3, fig. 3 shows a bottom view of the light emitting module according to an embodiment of the present invention, as shown in fig. 3, the bottom cross-sectional view of the positioning seat 3 is a rectangular structure, and conceivably, the bottom cross-sectional view of the positioning seat 3 may also be a circular or square structure, etc., as long as the bottom cross-sectional view is a ring structure. The inner surface of the inclined surface 31 is provided with a fixing structure 312 for fixing the module lens 1 and the light source plate 2 on the inclined surface 31, preferably, screws are used for fixing, and the fixing structure 312 is provided with corresponding screw holes. The circumferential peripheral surface of the lower cavity 32 of the heat radiation connecting plate 4 close to the positioning seat 3 is provided with an annular heat radiation sealing outer groove 41, and the heat radiation sealing gasket 6 is sleeved on the annular heat radiation sealing outer groove 41, so that the light emitting module is conveniently and hermetically mounted on a module heat radiation piece, and the waterproof and dustproof effects are achieved. In addition, under the waterproof and dustproof effect, the second heat dissipation hole 21, the first heat dissipation hole 311 and the lower cavity 32 form a heat conduction channel of the light emitting module, so that heat generated by the light source board 2 sequentially passes through the heat conduction channel formed by the second heat dissipation hole 21, the first heat dissipation hole 311 and the lower cavity 32 and is discharged to the cavity of the module heat dissipation member.

In some specific embodiments, referring to fig. 4, fig. 4 shows a schematic structural diagram of a lens module according to the present invention, as shown in fig. 4, the module lens 1 includes a sealed inner frame 12 of annular lens, a sealed outer frame 13 of module lens and at least two transparent portions 11 disposed on the upper surface of the module lens 1, a reinforcing rib 14 is disposed between the sealed inner frame 12 of annular lens and the sealed outer frame 13 of module lens for improving the overall axial tension, compressive strength or bearing strength of the module lens, the sealed inner frame 12 of annular lens is used for cooperating with the lens sealing gasket 5 to form the waterproof and dustproof sealing protection for the light source plate 2. Preferably, the outer surface of the transparent portion 11 may be an arc-shaped convex transparent portion or a straight transparent portion, and may be specifically set according to an actual application scenario.

With continuing reference to fig. 5 and 6, fig. 5 shows a top view of a lighting module according to an embodiment of the present invention, fig. 6 shows a cross-sectional view along direction a-a of the top view of the lighting module according to an embodiment of the present invention, as shown in fig. 5 and 6, the module lens 1 is fixedly connected to the inclined plane 31 of the positioning base 3 by the first screws 15 at the left and right sides, the light source board 2 and the lens gasket 5 are disposed in the module lens 1, the light source board 2 is fixedly connected to the inclined plane 31 by the second screws 23, the lens gasket 5 is sleeved on the annular lens sealing inner frame 12 to form a sealing protection for the light source board 2, the first heat dissipation holes 311 of the light source board 2 are communicated with the first heat dissipation holes 311 on the inclined plane 31, the hot air in the lighting module is exhausted through the second heat dissipation holes 21 and the first heat dissipation holes 311 via the lower cavity 32, the periphery of the heat radiation connecting plate 4 near the lower cavity 32 is provided with an annular heat radiation sealing outer groove 41 matched with the heat radiation sealing gasket 6, so that the light emitting module and the module heat radiation member form a sealed waterproof and dustproof sealing structure. The included angle a between the inclined plane 31 and the heat dissipation connecting plate 4 is set to be in the range of 12 degrees to 20 degrees, so that the lamp beads 22 on the light source plate 2 are matched with the transparent part 11, single-side radiation light is achieved, the situations that the light is radiated to the periphery, ineffective illumination is more, illumination is insufficient and the like are avoided, the LED lamp is suitable for application scenes of downward radiation light such as parking space dividing lines, road interval monitoring, night scene engineering, road verticality measurement and the like, and the specific included angle a can be set according to the number of actual light emitting modules and the interval between the light emitting modules.

It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention without departing from the spirit and scope of the invention. In this way, if these modifications and changes are within the scope of the claims of the present invention and their equivalents, the present invention is also intended to cover these modifications and changes. The word "comprising" does not exclude the presence of other elements or steps than those listed in a claim. The mere fact that certain measures are recited in mutually different dependent claims does not indicate that a combination of these measures cannot be used to advantage. Any reference signs in the claims shall not be construed as limiting the scope.

Claims

1. The utility model provides a light-emitting module, its characterized in that includes module lens, light source board, positioning seat and heat-radiating connecting plate, the up end of positioning seat is an inclined plane, be provided with first louvre on the inclined plane, module lens with the light source board is fixed in on the inclined plane, just the light source board set up in the module lens, the bottom surface of positioning seat with heat-radiating connecting plate fixed connection.

2. The lighting module of claim 1, wherein the positioning seat comprises the inclined surface and a lower cavity, and the lower cavity is fixedly connected to the heat dissipation connection plate.

3. The lighting module of claim 1, wherein the smallest angle between the inclined surface and the heat-dissipating connecting plate is in the range of 12 ° to 20 °.

4. The lighting module of claim 1, wherein the light source board is provided with a second heat dissipation hole.

5. The lighting module of claim 1, wherein the module lens comprises an inner annular lens seal frame and an outer module lens frame, and wherein reinforcing ribs are disposed between the inner annular lens seal frame and the outer module lens frame.

6. The lighting module of claim 5, wherein the module lens further comprises a lens gasket engaged with the annular lens gasket inner frame.

7. The lighting module of claim 2, wherein the heat-dissipating connecting plate is provided with an annular heat-dissipating sealing outer groove, and the annular heat-dissipating sealing groove is disposed at a circumferential periphery of the lower cavity.

8. The lighting module of claim 7, further comprising a heat sink gasket disposed in the outer annular heat sink gasket groove.

9. The lighting module of claim 1, wherein the module lens surface is provided with at least two transparent portions.

10. The lighting module according to claim 9, wherein the transparent portion comprises an arc-shaped convex transparent portion and/or a straight transparent portion.