CN211505944U

CN211505944U - Area source light-emitting lamp

Info

Publication number: CN211505944U
Application number: CN202020139790.2U
Authority: CN
Inventors: 许洋洋
Original assignee: Zhongshan Dema Auto Parts Co ltd
Current assignee: Zhongshan Dema Auto Parts Co ltd
Priority date: 2020-01-21
Filing date: 2020-01-21
Publication date: 2020-09-15
Anticipated expiration: 2030-01-21

Abstract

The utility model discloses a surface light source light-emitting lamp, which comprises a light-transmitting bracket, a light guide plate and a LED light-emitting module, wherein the light-transmitting bracket comprises a bottom shell and a cover cap; the cover cap is fixedly connected with the bottom shell, a positioning groove is formed in the bottom shell, and the cover cap is covered on the positioning groove; the LED light-emitting module is fixed on the bottom shell; the light guide plate is arranged in the positioning groove, and the LED light-emitting module faces to the light inlet end of the light guide plate; the light-emitting end of the light guide plate comprises a first end face and a second end face; an included angle between the first end face and the second end face is an obtuse angle; the second end face is inclined towards the direction of keeping away from the light inlet end gradually from the end close to the first end face to the end far away from the first end face, and a plurality of protrusions and grooves are sequentially and alternately arranged on the second end face. The utility model provides a pair of luminous lamps and lanterns of area source, it can be so that the luminance of light-emitting end is comparatively even, moreover, through configuration control chip, the light-emitting colour still can be adjusted.

Description

Area source light-emitting lamp

Technical Field

The utility model relates to a luminous lamps and lanterns of area source.

Background

The vehicle is often provided with a surface light source light-emitting lamp, the existing surface light source light-emitting lamp comprises a light-transmitting bracket, a light guide plate and an LED light-emitting module, wherein the light-transmitting bracket comprises a bottom shell and a cover; the cover cap is fixedly connected with the bottom shell; the LED light-emitting module and the light guide plate are fixed on the bottom shell, and light emitted by the LED light-emitting module is emitted from the light-transmitting support after being scattered by the light guide plate. However, in the existing surface light source light emitting lamp, the phenomenon of uneven brightness at the light emitting end of the light guide plate is often easy to occur, so that the industrial requirements can not be met.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a luminous lamp of surface light source, its structure through reasonable setting of light guide plate can make the luminance of light-emitting end comparatively even.

The purpose of the utility model is realized by adopting the following technical scheme:

a surface light source light-emitting lamp comprises a light-transmitting support, a light guide plate and an LED light-emitting module, wherein the light-transmitting support comprises a bottom shell and a cover; the cover cap is fixedly connected with the bottom shell, a positioning groove is formed in the bottom shell, and the cover cap is covered on the positioning groove; the LED light-emitting module is fixed on the bottom shell; the light guide plate is arranged in the positioning groove, one end of the light guide plate is formed into a light inlet end, and the other end of the light guide plate is formed into a light outlet end; the LED light-emitting module faces to the light inlet end of the light guide plate; the light-emitting end of the light guide plate comprises a first end face and a second end face; an included angle between the first end face and the second end face is an obtuse angle; the second end face is inclined towards the direction of keeping away from the light inlet end gradually from the end close to the first end face to the end far away from the first end face, and a plurality of protrusions and grooves are sequentially and alternately arranged on the second end face.

The light incident end of the light guide plate is provided with a plurality of raised strips which protrude outwards and are rectangular.

The cover cap is provided with a plurality of downwards extending insertion pieces, the bottom shell is provided with a plurality of positioning holes which are in one-to-one correspondence with the insertion pieces respectively, and the insertion pieces are inserted into the corresponding positioning holes.

The cover is provided with a plurality of downward extending limiting pieces, the bottom shell is provided with a plurality of limiting cylinders in one-to-one correspondence with the plurality of limiting pieces respectively, and the limiting pieces are inserted into the corresponding limiting cylinders.

The limiting piece is further provided with an outwards protruding abutting strip, and the abutting strip abuts against the inner side wall of the limiting cylinder.

The cover is welded on the bottom shell.

The bottom shell comprises a main shell body and a buckling piece buckled on the main shell body, and the LED light-emitting module is fixed on the buckling piece.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model provides a surface light source light-emitting lamp, it is through being provided with first terminal surface and second terminal surface at the light-emitting end of light guide plate, and through the contained angle between reasonable setting first terminal surface and the second terminal surface, has set up a plurality of bellyings and recess on the second terminal surface in proper order alternately simultaneously, thus can reflect the light of light-emitting end back, in order to avoid appearing the phenomenon that partial region luminance is brighter, partial region luminance is darker, can make the luminance of light-emitting end comparatively even; and, still make things convenient for the installation location between drain pan and the shroud.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is a schematic structural diagram of the bottom case;

FIG. 5 is a schematic view of a light guide plate;

FIG. 6 is an enlarged view of FIG. 5 at B;

fig. 7 is a schematic structural view of the fastener;

10, a light-transmitting support; 20. a light guide plate; 21. a light input end; 22. a light emitting end; 23. a first end face; 24. a second end face; 25. a boss portion; 26. a groove; 27. a convex strip; 28. a convex wing; 30. an LED light emitting module; 50. a cover; 51. inserting the sheet; 52. a limiting sheet; 53. mounting grooves; 54. a propping strip; 55. a support frame; 56. a top plate; 57. an outer cover body; 60. a bottom case; 61. positioning holes; 62. a main housing; 63. buckling the parts; 64. positioning a groove; 65. a limiting cylinder; 66. and (6) blocking.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

As shown in fig. 1 to 7, a surface light source lighting fixture includes a light-transmitting support 10, a light guide plate 20, and an LED lighting module 30, wherein the light-transmitting support 10 includes a bottom case 60 and a cover 50; the cover 50 is fixedly connected with the bottom casing 60, a positioning groove 64 is formed in the bottom casing 60, and the cover 50 covers the positioning groove 64; the LED light emitting module 30 is fixed on the bottom case 60; the light guide plate 20 is disposed in the positioning groove 64, and one end of the light guide plate 20 is formed as a light incident end 21, and the other end is formed as a light exiting end 22; the LED light emitting module 30 faces the light incident end 21 of the light guide plate 20; the light-exiting end 22 of the light guide plate 20 includes a first end surface 23 and a second end surface 24; the included angle between the first end surface 23 and the second end surface 24 is an obtuse angle; the second end surface 24 is inclined gradually from the end close to the first end surface 23 to the end far from the first end surface 23 in the direction far from the light incident end 21, and a plurality of protrusions 25 and grooves 26 are further alternately arranged on the second end surface 24 in sequence.

When in use, light emitted from the LED light emitting module 30 is scattered by the light guide plate 20 and then emitted from the transparent support 10. The utility model provides a pair of luminous lamps and lanterns of area source, it is provided with first terminal surface 23 and second terminal surface 24 through the light-emitting end 22 at light guide plate 20, and be the obtuse angle through the contained angle with between first terminal surface 23 and the second terminal surface 24, a plurality of bellying 25 and recess 26 have set gradually in turn on second terminal surface 24 simultaneously, thereby can reflect the light of light-emitting end 22 back, in order to avoid appearing the phenomenon that the regional luminance of the bright part of partial region luminance is darker, can make the luminance of light-emitting end 22 comparatively even.

Preferably, protruding fins 28 protruding outward are further disposed on two sides of the light guide plate 20, and lateral grooves for the protruding fins 28 to be embedded are further disposed on two sides of the bottom case 60, so as to facilitate the positioning of the light guide plate 20.

The light inlet end 21 of the light guide plate 20 is provided with a plurality of rectangular raised strips 27 protruding outwards, so that the LED beads of the LED light emitting module 30 can be conveniently and respectively corresponded, the light emitting effect can be ensured, and the LED beads can be saved, thereby saving the cost.

The cover 50 is provided with a plurality of insertion pieces 51 extending downwards, the bottom case 60 is provided with a plurality of positioning holes 61 corresponding to the insertion pieces 51 one by one, and the insertion pieces 51 are inserted into the corresponding positioning holes 61, so that the installation and positioning between the bottom case 60 and the cover 50 can be facilitated by utilizing the matching between the insertion pieces 51 and the positioning holes 61.

The cover 50 is provided with a plurality of downwardly extending limiting pieces 52, the bottom case 60 is provided with a plurality of limiting cylinders 65 respectively corresponding to the plurality of limiting pieces 52 one by one, and the limiting pieces 52 are inserted into the corresponding limiting cylinders 65, so that the limiting pieces 52 and the limiting cylinders 65 are combined under the condition that the insertion pieces 51 are matched with the positioning holes 61, and further positioning can be achieved.

The limiting sheet 52 is further provided with an outward convex abutting strip 54, and the abutting strip 54 abuts against the inner side wall of the limiting cylinder 65, so that multi-dimensional limiting can be formed, and the stability of fixing is ensured.

The cover 50 is welded on the bottom casing 60, so that the firmness of fixation between the cover 50 and the bottom casing 60 can be ensured, the positioning between the cover 50 and the bottom casing 60 is realized by utilizing the matching of the insertion holes and the positioning holes 61 and the matching of the limiting barrel 65 and the limiting sheet 52, and the cover 50 is welded on the bottom casing 60 by utilizing a welding mode, so that the connection is convenient.

Specifically, the cover 50 includes a support frame 55 and a top plate 56; the supporting frame 55 is provided with an installation groove 53, and the insertion piece 51 and the limiting piece 52 are both formed on the supporting frame 55; the top plate 56 is embedded in the mounting groove 53, so that the mounting and positioning are convenient. The cover cap 50 further comprises an outer cover body 57, and the outer cover body 57 covers the support frame 55 and the top plate 56, so that a protection effect can be achieved, and the processing difficulty of the cover cap 50 can be reduced. The top plate 56 is set to be a double-color top plate, so that light which is not needed can be blocked, and light leakage is avoided.

The bottom shell 60 comprises a main shell 62 and a fastening member 63 fastened on the main shell 62, and the LED lighting module 30 is fixed on the bottom shell 60 through the fastening member 63, so that the installation is convenient. Specifically, a plurality of clamping portions extending downwards are arranged on the main housing 62, and a plurality of clamping portions 66 which correspond to the plurality of clamping portions respectively in a one-to-one manner and are used for clamping the corresponding clamping portions are arranged on the fastening member 63, so that the main housing 62 and the fastening member 63 can be conveniently mounted.

In the present embodiment, the LED lighting module 30 is an existing component, and includes a plurality of LED lamps, for example. In practical design, the LED module 30 may be further configured with a control chip to control the color of the LED module, so as to achieve the effects of beautifying the environment inside the vehicle and warning safety.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. A surface light source light emitting lamp, characterized in that: the LED light source comprises a light-transmitting support, a light guide plate and an LED light-emitting module, wherein the light-transmitting support comprises a bottom shell and a cover; the cover cap is fixedly connected with the bottom shell, a positioning groove is formed in the bottom shell, and the cover cap is covered on the positioning groove; the LED light-emitting module is fixed on the bottom shell; the light guide plate is arranged in the positioning groove, one end of the light guide plate is formed into a light inlet end, and the other end of the light guide plate is formed into a light outlet end; the LED light-emitting module faces to the light inlet end of the light guide plate; the light-emitting end of the light guide plate comprises a first end face and a second end face; an included angle between the first end face and the second end face is an obtuse angle; the second end face is inclined towards the direction of keeping away from the light inlet end gradually from the end close to the first end face to the end far away from the first end face, and a plurality of protrusions and grooves are sequentially and alternately arranged on the second end face.

2. The surface light source light emitting lamp of claim 1, wherein: the light incident end of the light guide plate is provided with a plurality of raised strips which protrude outwards and are rectangular.

3. The surface light source light emitting lamp of claim 1, wherein: the cover cap is provided with a plurality of downwards extending insertion pieces, the bottom shell is provided with a plurality of positioning holes which are in one-to-one correspondence with the insertion pieces respectively, and the insertion pieces are inserted into the corresponding positioning holes.

4. The surface light source light emitting lamp of claim 1, wherein: the cover is provided with a plurality of downward extending limiting pieces, the bottom shell is provided with a plurality of limiting cylinders in one-to-one correspondence with the plurality of limiting pieces respectively, and the limiting pieces are inserted into the corresponding limiting cylinders.

5. The surface light source light emitting lamp of claim 4, wherein: the limiting piece is further provided with an outwards protruding abutting strip, and the abutting strip abuts against the inner side wall of the limiting cylinder.

6. The surface light source light emitting lamp of claim 5, wherein: the cover is welded on the bottom shell.

7. The surface light source light emitting lamp of claim 1, wherein: the bottom shell comprises a main shell body and a buckling piece buckled on the main shell body, and the LED light-emitting module is fixed on the buckling piece.