CN210950951U

CN210950951U - L-shaped bending surface light source

Info

Publication number: CN210950951U
Application number: CN201922222381.9U
Authority: CN
Inventors: 徐宝成; 赵鹏; 宋吉意; 窦俊峰
Original assignee: Qingdao Hengqing Electronics Co ltd
Current assignee: Qingdao Hengqing Electronics Co ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-07-07
Anticipated expiration: 2029-12-12

Abstract

The utility model relates to the technical field of lighting accessories, in particular to an L-shaped bending surface light source, which has the light entering from the two ends to improve the lighting effect and the practicability; the waterproof effect is improved, and the abnormal condition of the tympanic membrane is effectively avoided; meanwhile, the method is suitable for high-end products, and the use limitation is reduced; including the light guide plate, left side aluminium strip and right aluminium strip, the L type is bent into according to the angle of settlement to the light guide plate, and be provided with diffusion piece and reflectance coating respectively in the upper portion and the lower part of light guide plate, right side aluminium strip is installed in the light guide plate, the right-hand member of diffusion piece and reflectance coating, left side aluminium strip is installed in the light guide plate, the left end of diffusion piece and reflectance coating, the top of light guide plate is provided with heat dissipation aluminium strip, it is provided with first LED lamp strip before heat dissipation aluminium strip and the light guide plate to go up, the left end of going up heat dissipation aluminium strip is provided with plastic casing, go up and be provided with second LED lamp strip between plastic casing and the last heat dissipation aluminium strip, the bottom of light guide plate is provided with.

Description

L-shaped bending surface light source

Technical Field

The utility model relates to a lighting attachment's technical field especially relates to a L type area source of bending.

Background

As is well known, with the increasing living standard of people, the requirement of lighting products is higher and higher. In particular, the illumination of the household appliance refrigerator is developed from an initial simple lamp panel to a planar light source, and the planar light source is widely used in the field; the existing refrigerator adopts a planar light source for illumination, which consists of a film, a diffusion plate, a light guide plate, a reflecting film, a light source and an aluminum piece; the existing planar light source is discovered in use, the adopted planar light source technology is of a planar structure, light enters from one side, and the illumination effect is poor after the planar light source is opened, so that the practicability is low; the existing planar light source is subjected to edge sealing by using a double-sided adhesive tape, so that the waterproof effect is poor, and the abnormal bone tympanic membrane is easy to occur in the using and mounting processes, so that the use reliability is low; meanwhile, the planar light source is too simple and not suitable for high-end products, and the use limitation is high.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a lighting device with two ends, which improves the lighting effect and the practicability; the waterproof effect is improved, the abnormal condition of the tympanic membrane is effectively avoided, and the use reliability is improved; simultaneously be applicable to the high-end product, reduce the L type of using the limitation and bend a light source.

The utility model discloses a L type surface light source of bending, including light guide plate, preceding aluminium strip and back aluminium strip, the light guide plate is bent into the L type according to the angle of settlement to left end and right-hand member at the light guide plate are provided with diffusion piece and reflectance coating respectively, preceding aluminium strip is installed in the front end of light guide plate, diffusion piece and reflectance coating, back aluminium strip is installed in the rear end of light guide plate, diffusion piece and reflectance coating, the top of light guide plate is provided with heat dissipation aluminium strip to be provided with first LED lamp strip before last heat dissipation aluminium strip and light guide plate, the left end of going up heat dissipation aluminium strip is provided with the plastic casing, and be provided with second LED lamp strip between last plastic casing and the last heat dissipation aluminium strip, the bottom of light guide plate is provided with heat dissipation aluminium strip down to be provided with third LED lamp strip between light guide plate and heat dissipation aluminium strip down.

The utility model discloses a L type area source of bending, the shape of diffusion piece and reflectance coating and the shape phase-match of light guide plate.

The utility model discloses a L type area source of bending, preceding aluminium strip and back aluminium strip are "L" type structure.

The utility model discloses a L type area source of bending, the rear end of preceding aluminium strip and the front end of back aluminium strip are provided with preceding draw-in groove and back draw-in groove respectively, diffusion piece, light guide plate and reflectance coating's front end card is adorned in preceding draw-in groove, and diffusion piece, light guide plate and reflectance coating's rear end card is adorned in back draw-in groove.

The utility model discloses a L type area source of bending, the left end of preceding aluminium strip and back aluminium strip is connected with the front end and the rear end card dress of last heat dissipation aluminium strip right-hand member respectively, and the bottom of preceding aluminium strip and back aluminium strip is connected with the front end and the rear end card dress on heat dissipation aluminium strip top down respectively.

Compared with the prior art, the beneficial effects of the utility model are that: the first LED lamp strip and the second LED lamp strip emit light into the light guide plate from one end of the light guide plate, and the third LED lamp strip emits light into the light guide plate from the other end of the light guide plate, so that light enters from two ends, the illumination effect is improved, and the practicability is improved; the matched front aluminum strip, rear aluminum strip, upper heat dissipation aluminum strip and lower heat dissipation aluminum strip are hermetically mounted, so that the waterproof effect is improved, the film sheet is soft, the surface light source is easy to cause tympanic membrane abnormality in the processes of storage, mounting and use, and the diffusion sheet is hard in material, so that the tympanic membrane abnormality is effectively avoided, and the use reliability is improved; through the arc design, more have pleasing to the eye effect, be applicable to high-end product, reduce the use limitation.

Drawings

Fig. 1 is a schematic diagram of the explosion structure of the present invention;

fig. 2 is a schematic view of a part of an enlarged structure at a in fig. 1 according to the present invention;

in the drawings, the reference numbers: 1. a light guide plate; 2. a front aluminum bar; 3. a rear aluminum strip; 4. a diffusion sheet; 5. A reflective film; 6. an upper heat dissipation aluminum strip; 7. a first LED light bar; 8. an upper plastic shell; 9. a second LED light bar; 10. a lower heat dissipation aluminum strip; 11. a third LED light bar; 12. and a rear clamping groove.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 2, the L-shaped bent surface light source of the present invention comprises a light guide plate 1, a front aluminum strip 2 and a rear aluminum strip 3, wherein the light guide plate 1 is bent into an L-shape according to a predetermined angle, a diffusion sheet 4 and a reflection film 5 are respectively arranged at the left end and the right end of the light guide plate 1, a front aluminum strip 2 is arranged at the front ends of the light guide plate 1, the diffusion sheet 4 and the reflection film 5, a rear aluminum strip 3 is arranged at the rear ends of the light guide plate 1, the diffusion sheet 4 and the reflection film 5, an upper heat dissipation aluminum strip 6 is arranged at the top end of the light guide plate 1, a first LED lamp strip 7 is arranged in front of the upper heat dissipation aluminum strip 6 and the light guide plate 1, an upper plastic shell 8 is arranged at the left end of the upper heat dissipation aluminum strip 6, a second LED lamp strip 9 is arranged between the upper plastic shell 8 and the upper heat dissipation aluminum strip 6, a lower heat dissipation aluminum strip 10 is arranged at the bottom end of the light guide plate 1, and a third LED lamp strip 11 is arranged between the light guide plate 1 and the lower heat dissipation aluminum strip 10; the first LED lamp strip and the second LED lamp strip emit light into the light guide plate from one end of the light guide plate, and the third LED lamp strip emits light into the light guide plate from the other end of the light guide plate, so that light enters from two ends, the illumination effect is improved, and the practicability is improved; the matched front aluminum strip, rear aluminum strip, upper heat dissipation aluminum strip and lower heat dissipation aluminum strip are hermetically mounted, so that the waterproof effect is improved, the film sheet is soft, the surface light source is easy to cause tympanic membrane abnormality in the processes of storage, mounting and use, and the diffusion sheet is hard in material, so that the tympanic membrane abnormality is effectively avoided, and the use reliability is improved; through the arc design, more have pleasing to the eye effect, be applicable to high-end product, reduce the use limitation.

In the L-shaped bending surface light source of the utility model, the shapes of the diffusion sheet 4 and the reflection film 5 are matched with the shape of the light guide plate 1; ensuring compact and beautiful structure.

In the L-shaped bending surface light source of the utility model, the front aluminum strip 2 and the rear aluminum strip 3 are both L-shaped structures; the front aluminum strip and the rear aluminum strip can be effectively matched with the light guide plate, the diffusion sheet and the reflection film.

The utility model discloses an L-shaped bending surface light source, the rear end of the front aluminum strip 2 and the front end of the rear aluminum strip 3 are respectively provided with a front clamping groove and a rear clamping groove 12, the front ends of the diffusion sheet 4, the light guide plate 1 and the reflective film 5 are clamped in the front clamping groove, and the rear ends of the diffusion sheet 4, the light guide plate 1 and the reflective film 5 are clamped in the rear clamping groove 12; the light guide plate, the diffusion sheet and the reflection film are conveniently installed, and the sealing performance of the joint is improved.

In the L-shaped bending surface light source of the utility model, the left ends of the front aluminum strip 2 and the rear aluminum strip 3 are respectively connected with the front end and the rear end of the right end of the upper heat dissipation aluminum strip 6 in a clamping way, and the bottom ends of the front aluminum strip 2 and the rear aluminum strip 3 are respectively connected with the front end and the rear end of the top end of the lower heat dissipation aluminum strip 10 in a clamping way; it is convenient to install it.

The utility model discloses an L type area source of bending, it is at work, before accomplishing above-mentioned action, at first move it to the position that the user needs, first LED lamp strip and second LED lamp strip shoot light into the light guide plate from the one end of light guide plate, and third LED lamp strip shoots light into the light guide plate from the other end of light guide plate, realizes going into light at both ends, improves the illumination effect, improves the practicality; the matched front aluminum strip, rear aluminum strip, upper heat dissipation aluminum strip and lower heat dissipation aluminum strip are hermetically mounted, so that the waterproof effect is improved, the film sheet is soft, the surface light source is easy to cause tympanic membrane abnormality in the processes of storage, mounting and use, and the diffusion sheet is hard in material, so that the tympanic membrane abnormality is effectively avoided, and the use reliability is improved; through the arc design, more have pleasing to the eye effect, be applicable to high-end product, reduce the use limitation.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. An L-shaped bending surface light source is characterized by comprising a light guide plate (1), a front aluminum strip (2) and a rear aluminum strip (3), wherein the light guide plate (1) is bent into an L shape according to a set angle, a diffusion sheet (4) and a reflection film (5) are respectively arranged at the left end and the right end of the light guide plate (1), the front aluminum strip (2) is arranged at the front ends of the light guide plate (1), the diffusion sheet (4) and the reflection film (5), the rear aluminum strip (3) is arranged at the rear ends of the light guide plate (1), the diffusion sheet (4) and the reflection film (5), an upper heat dissipation aluminum strip (6) is arranged at the top end of the light guide plate (1), a first LED lamp strip (7) is arranged in front of the upper heat dissipation aluminum strip (6) and the light guide plate (1), an upper plastic shell (8) is arranged at the left end of the upper heat dissipation aluminum strip (6), and a second LED lamp strip (9) is arranged between the upper plastic shell (, the bottom end of the light guide plate (1) is provided with a lower heat dissipation aluminum strip (10), and a third LED light bar (11) is arranged between the light guide plate (1) and the lower heat dissipation aluminum strip (10).

2. An L-shaped curved surface light source as claimed in claim 1, wherein the shapes of the diffusion sheet (4) and the reflection film (5) are matched with the shape of the light guide plate (1).

3. An L-shaped curved surface light source as claimed in claim 2, wherein the front aluminum strip (2) and the rear aluminum strip (3) are both of "L" shape.

4. An L-shaped curved surface light source as claimed in claim 3, wherein the rear end of the front aluminum strip (2) and the front end of the rear aluminum strip (3) are respectively provided with a front card slot and a rear card slot (12), the front ends of the diffusion sheet (4), the light guide plate (1) and the reflective film (5) are clamped in the front card slot, and the rear ends of the diffusion sheet (4), the light guide plate (1) and the reflective film (5) are clamped in the rear card slot (12).

5. An L-shaped bending area light source as claimed in claim 4, characterized in that the left ends of the front aluminum strip (2) and the rear aluminum strip (3) are respectively connected with the front end and the rear end of the right end of the upper heat dissipation aluminum strip (6) in a clamping manner, and the bottom ends of the front aluminum strip (2) and the rear aluminum strip (3) are respectively connected with the front end and the rear end of the top end of the lower heat dissipation aluminum strip (10) in a clamping manner.