CN210717165U

CN210717165U - Flat lamp

Info

Publication number: CN210717165U
Application number: CN201922037612.9U
Authority: CN
Inventors: 李滨; 张同刘
Original assignee: Opple Lighting Co Ltd
Current assignee: Opple Lighting Co Ltd; Suzhou Op Lighting Co Ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-06-09
Anticipated expiration: 2029-11-22

Abstract

The embodiment of the application provides a flat lamp, which comprises a main lamp body, a light guide part, a light source plate and an elastic part, wherein the light guide part is arranged on the main lamp body and is provided with an outer peripheral surface; the light source plate is abutted against the outer peripheral surface, the main lamp body is provided with an avoidance space at one side of the light guide member, which is far away from the light source plate, the light guide member can extend into the avoidance space under the abutting action of the light source plate after being expanded, the elastic member is arranged in the avoidance space, and the elastic member can absorb the acting force, which is far away from the light source plate, from the light guide member through elastic deformation and apply elastic force to the light guide member so that the light guide member is always abutted against the light source plate; when the light guide assembly is heated or absorbs moisture to expand, the elastic part is elastically deformed, the internal stress is reduced, and the technical effect of reducing the probability of damage of the light source board on the premise of ensuring the light extraction rate is achieved.

Description

Flat lamp

Technical Field

The utility model relates to a lighting apparatus technical field especially relates to a panel light.

Background

The flat lamp is popular with consumers due to the advantages of small volume, large light-emitting area, uniform and soft light-emitting effect and the like, and is widely applied to the aspects of home decoration, outdoor decoration and the like.

Because dull and stereotyped lamp uses the design that sets up the light source board in leaded light subassembly side more, in the use, leaded light subassembly often because the moisture absorption or be heated and expand, extrudes bad light source board easily, if reserve great assembly size clearance for the light source board, then can lead to the light-emitting rate not high.

It is therefore desirable to provide a flat lamp capable of reducing the probability of damage to the light source panel while ensuring the light extraction rate.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a panel lamp to solve the problem.

The embodiment of the application adopts the following technical scheme:

the embodiment of the application provides a panel light, including main lamp body, leaded light spare, light source board and elastic component, leaded light spare sets up on the main lamp body, leaded light spare possesses the outer peripheral face, the light source board with outer peripheral face looks butt, the main lamp body is in leaded light spare deviates from one side of light source board possesses dodges the space, can after the leaded light spare inflation can stretch into under the butt effect of light source board in dodging the space, the elastic component set up in dodging in the space, the elastic component with leaded light spare is connected, the elastic component can absorb through elastic deformation and come from leaded light spare and deviate from the effort of light source board and to leaded light spare is applyed the elastic force and is made leaded light spare butt all the time the light source board.

Preferably, the main lamp body includes an installation cavity, the installation cavity includes a light outlet port, the light guide member includes a light outlet surface, the outer peripheral surface circumferentially surrounds the light outlet surface, the light guide member is disposed in the installation cavity, the light outlet surface faces the light outlet port, the installation cavity includes an inner peripheral surface circumferentially surrounding the light outlet port, an installation space is provided between the inner peripheral surface and the outer peripheral surface, the light source plate and the avoiding space are both disposed in the installation space, and a light outlet direction of the light source plate faces the outer peripheral surface.

Preferably, the elastic member and the light source plate are fixed to the inner circumferential surface and the outer circumferential surface in a fitting manner.

Preferably, the outer peripheral surface has four continuous abutting side surfaces, the abutting side surfaces are flat surfaces and/or curved surfaces, the light source plate is fixed by the abutting side surfaces and the inner peripheral surface abutting each other, and the elastic member is fixed by the abutting side surfaces and the inner peripheral surface abutting each other.

Preferably, the number of the light source plates is two, and the circumferential extension lengths of the light source plates and the abutting side surfaces are consistent.

Preferably, a plurality of the elastic members are uniformly arranged along the avoidance space.

Preferably, a projection of the outer peripheral surface in the direction in which the light exit surface faces is a quadrangle.

Preferably, a projection of the outer peripheral surface in a direction in which the light exit surface faces is rectangular, and a center of the outer peripheral surface and a center of the inner peripheral surface overlap each other.

Preferably, the light emitting direction of the light source plate and the facing direction of the abutting side face are perpendicular to the facing direction of the light emitting face.

Preferably, still include elastic plate, diffuser plate and reflection of light piece, the diffuser plate the leaded light spare, reflection of light piece the elastic plate from being close to go out the light port to keeping away from it sets up to stack gradually to go out the light port installation intracavity, reflection of light piece orientation one side of leaded light spare is the reflection of light face.

Preferably, the light reflecting piece is light reflecting paper, the light reflecting paper covers one side of the elastic piece facing the light guiding piece, and the light reflecting surface is arranged on one side of the light reflecting paper facing the light guiding piece.

Preferably, the backlight unit further includes a back plate and a fixing member, the mounting cavity penetrates the main lamp body, the mounting cavity includes a mounting port facing the light emitting port, the main lamp body further includes an abutting member protruding from an inner edge of the light emitting port and having an abutting surface facing the mounting port, the diffusion plate and the abutting surface abut against each other, the back plate covers the mounting port and abuts against the elastic plate, and the fixing member fixes the back plate to the main lamp body.

Preferably, the fixing member is a bolt assembly, the back plate is provided with a through hole, one side of the main lamp body facing the back plate is provided with a fixing hole corresponding to the through hole, and the back plate and the main lamp body are fixedly connected with the through hole and the fixing hole through the bolt assembly.

This application adopts light source board and elastic component around leaded light subassembly and relative design, makes the light source board hug closely the leaded light subassembly in order to guarantee the light-emitting rate, and when leaded light subassembly when being heated or moisture absorption inflation, elastic deformation will take place for the elastic component, reduces internal stress, can reduce the light source board and damage the probability under the prerequisite of guaranteeing the light-emitting rate.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic diagram of components of a flat panel lamp according to an embodiment of the present disclosure;

FIG. 2 is a cross-sectional view of a flat panel lamp as disclosed in an embodiment of the present application;

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

fig. 4 is an enlarged view of the region B in fig. 2.

Description of reference numerals:

1-main lamp body, 2-light guide part, 3-light source plate, 4-elastic part, 5-elastic plate, 6-diffusion plate, 7-light reflection part, 8-back plate, 9-fixing part, 10-installation cavity, 12-avoiding space, 14-abutting part, 16-fixing hole, 20-outer peripheral surface, 22-light-emitting surface, 80-through hole, 100-light-emitting port, 102-inner peripheral surface, 104-installation interval, 106-installation port, 140-abutting surface and 200-abutting side surface.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.

The embodiment of the application discloses a panel lamp, including main lamp body 1, leaded light spare 2, light source board 3 and elastic component 4, as the main lamp body 1 that fig. 1 shows is the rectangle framework, and leaded light spare 2 corresponds to set up to rectangular plate shape and possesses out plain noodles 22, also can set up main lamp body 1 and leaded light spare 2 into the disc, can set up according to actual need. The light guide 2 is provided on the main lamp body 1, and the main lamp body 1 may be provided with a mounting cavity 10 as shown in fig. 1 and the light guide 2 is provided in the mounting cavity 10, or the surface of the main lamp body 1 may be provided with a fixing base or the like capable of fixing the light guide 2.

The light guide 2 has an outer peripheral surface 20 as shown in fig. 1, the outer peripheral surface 20 circumferentially surrounds a light exit surface 22 as shown in fig. 2, the light source plate 3 and the outer peripheral surface 20 are abutted against each other, so that light emitted from the light source plate 3 can be directly refracted to the light exit surface 22 through the outer peripheral surface 20, the mounting cavity 10 has a light exit port 100 as shown in fig. 2, and the light exit surface 22 faces the light exit port 100, so as to achieve the effect of increasing the light exit area; main lamp body 1 is equipped with in one side that light guide 2 deviates from light source board 3 and dodges space 12, can be as shown in fig. 3, dodge space 12 for the space that elastic component 4 located, also can be the dodge fretwork region etc. of seting up on main lamp body 1, can allow light guide 2 can stretch into this under light source board 3's butt effect after the inflation in dodge space 12 can, as the condition shown in fig. 3, after light guide 2 inflation, its circumference can stretch into because of the inflation partly stretches into in dodging space 12, if dodge space 12 and set up to the hole, then can be that other parts of inflation can stretch into this hole.

In this embodiment, the elastic member 4 is disposed in the avoiding space 12 and connected to the light guide member 2, so that before and after the light guide member 2 expands, the elastic member 4 can apply elastic force to the light guide member 2 to make the light guide member 2 always abut against the light source plate 3, thereby ensuring the light extraction rate; when light guide 2 is because the moisture absorption or when being heated the inflation, light guide 2 stretches into and dodges space 12, elastic component 2 can absorb the effort that comes from light guide 2 and deviate from light source board 3 through elastic deformation this moment, when guaranteeing light guide 2 butt light source board 3, reduce because the inflation of light guide 2 and crowd the probability of bad light source board 3, elastic component 4 can be made by rubber, also can be the spring, as long as can make its butt contralateral light source board 3 can with appropriate elasticity for light guide 2.

This application adopts light source board 3 and elastic component 4 around leaded light spare 2 and relative design, makes light source board 3 hug closely leaded light spare 2 in order to guarantee the light-emitting rate, and when leaded light spare 2 because be heated or when the moisture absorption inflation, elastic deformation will take place for elastic component 4, reduces internal stress, can reduce light source board 3 probability of damage under the prerequisite of guaranteeing the light-emitting rate.

In the present embodiment, the mounting cavity 10 further includes an inner circumferential surface 102 circumferentially surrounding the light outlet port 100, and a mounting space 104 is provided between the inner circumferential surface 102 and the outer circumferential surface 20, where the mounting space 104 shown in fig. 2 circumferentially surrounds the light guide 2, or partially surrounds, that is, a part of the outer circumferential surface 20 of the light guide 2 is attached to the inner circumferential surface 102, so that the mounting space 104 is not a continuous space circumferentially surrounding the light guide 2; a part of the mounting space 104 is the escape space 12, and the light source plate 3 and the elastic member 4 are mounted in the mounting space 104, and may be fixed by the inner circumferential surface 102 and the outer circumferential surface 20 as shown in fig. 3 and 4, or may be separately provided with other fixing mechanisms, such as a fixing portion protruding from the inner circumferential surface 102, so that the manufacturing and assembly can be simplified.

In order to achieve a good cushioning effect, in the present embodiment, the outer peripheral surface 20 includes four continuous abutment side surfaces 200, and the abutment side surfaces 200 may be flat surfaces as shown in fig. 4 or curved surfaces; the light source plate 3 is fixed by the cooperation of two abutting side surfaces 200 and the inner peripheral surface 102 which are adjacent to each other, the elastic part 4 is fixed by the cooperation of the other two abutting side surfaces 200 and the inner peripheral surface 102 which are adjacent to each other, thus a diagonal line of the light guide part 2 is used as a boundary, one side is the avoiding space 12, the other side is used for installing the light source plate 3, when the light guide part 2 expands, the light source plate can easily stretch into the avoiding space 12, and the best avoiding efficiency is achieved. At this time, in order to further achieve a better light-emitting rate, the two light source plates 3 may be set to have a length that is the same as the circumferential extension length of the abutting side surface 200, as shown in fig. 1, and attached to the abutting side surface 200, so that the incident light utilization rate to the abutting side surface 200 is the highest; simultaneously with a plurality of elastic component 4 along the dodging space 12 of diagonal opposite side evenly set up, can evenly receive the force like this, avoid leading to light source plate 3 damaged because internal stress is uneven.

In the present embodiment, the projection of the outer peripheral surface 20 of the light guide 2 on the light exit surface 22 is rectangular, or may be triangular or other shapes, the outer peripheral surface 102 may be set to be rectangular correspondingly following the shape of the main lamp body 1 as shown in fig. 1, and the centers of the outer peripheral surface 20 and the inner peripheral surface 102 are overlapped with each other, so that the formed installation space 104 is a continuous space with a uniform width, which is convenient for designing and installing other components.

In order to achieve a better light emitting effect, the light emitting direction of the light source plate 3 and the facing direction of the abutting side surface 200 are both perpendicular to the facing direction of the light emitting surface 22, so that the occurrence of light bands or bright spots can be reduced.

For the installation of cooperation leaded light 2, light source board 3 and elastic component 4, this embodiment the dull and stereotyped lamp still include elastic plate 5, diffuser plate 6 and reflective component 7, diffuser plate 6, leaded light 2, reflective component 7, elastic plate 5 stacks gradually the setting in installation cavity 10 from being close to light-out port 100 to keeping away from light-out port 100, can be as shown in fig. 1, each part circumference profile all sets up to the rectangle and the size is close, also can set up to different shapes, as long as can realize function separately can, wherein elastic plate 5 is used for buffering internal stress, diffuser plate 6 is used for further scattering with the light of going out 22 outgoing of plain noodles in order even light-emitting, reflective component 7 possesses the reflection of light face towards leaded light 2, be used for the reflection scattered light, in order to improve luminous efficiency.

The reflection of light piece 7 can set up to reflection of light paper to cover one side of elastic component 4 orientation leaded light piece 2, can be the bonding, also can be fixed through the extrusion, and reflection of light face sets up in the one side of reflection of light piece 7 orientation leaded light piece 2, and reflection of light piece 7 can also be attached to one deck reflection of light coating etc. on elastic component 4, as long as possess the reflection of light function can.

In order to enhance the fixation, the flat lamp of the present embodiment further includes a back plate 8 and a fixing member 9, the mounting cavity 10 penetrates the main lamp body 1, the mounting cavity 10 has a mounting port 106 opposite to the light emitting port 100, the main lamp body 1 further has an abutting member 14, the abutting member 14 protrudes from an inner edge of the light emitting port 100 and has an abutting surface 140 facing the mounting port 106, the diffusion plate 6 abuts against the abutting surface 140, the back plate 8 covers the mounting port 106 and abuts against the elastic plate 5, and the fixing member 9 fixes the back plate 8 on the main lamp body 1; the fixing member 9 may be a bolt assembly, as shown in fig. 1, a through hole 80 is formed in the back plate 8, a fixing hole 16 corresponding to the through hole 80 is formed in one side of the main lamp body 1 facing the back plate 8, the back plate 8 and the main lamp body 1 are fixedly connected with the through hole 80 and the fixing hole 16 through the bolt assembly, as shown in fig. 3, the fixing hole 16 and the through hole 80 are bolt holes, the fixing of the back plate 8 and the main lamp body 1 is completed by using a bolt to penetrate through the through hole 80 and screwing in the fixing hole 16, or both the through hole 80 and the fixing hole 16 are through holes, and a bolt penetrates through both holes and is fixed at the other end by using a nut.

To sum up, this application adopts light source board 3 and elastic component 4 around leaded light 2 and relative design, makes light source board 3 hug closely leaded light 2 in order to guarantee the light-emitting rate, and when leaded light 2 because be heated or when the moisture absorption inflation, elastic deformation will take place for elastic component 4, reduces internal stress, can reduce light source board 3 probability of damage under the prerequisite of guaranteeing the light-emitting rate.

In the embodiments of the present application, the difference between the embodiments is described in detail, and different optimization features between the embodiments can be combined to form a better embodiment as long as the differences are not contradictory, and further description is omitted here in view of brevity of the text.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A flat panel lamp, characterized in that: including main lamp body, leaded light spare, light source board and elastic component, wherein:

the light guide member is arranged on the main lamp body and is provided with an outer peripheral surface;

the light source board with outer peripheral face looks butt, the main lamp body is in leaded light spare deviates from one side of light source board possesses dodges the space, can be in after the leaded light spare inflation stretch into under the butt effect of light source board in dodging the space, the elastic component set up in dodging in the space, the elastic component with leaded light spare is connected, the elastic component can be come through elastic deformation absorption leaded light spare and deviate from the effort of light source board and to the elastic force is applyed to the leaded light spare makes leaded light spare butt all the time the light source board.

2. The flat panel lamp as claimed in claim 1, wherein the main lamp body has a mounting cavity, the mounting cavity has a light outlet, the light guide member has a light outlet, the outer circumferential surface circumferentially surrounds the light outlet, the light guide member is disposed in the mounting cavity, the light outlet faces the light outlet, the mounting cavity has an inner circumferential surface circumferentially surrounding the light outlet, a mounting space is provided between the inner circumferential surface and the outer circumferential surface, the light source plate and the avoiding space are disposed in the mounting space, and the light outlet of the light source plate faces the outer circumferential surface.

3. A flat panel lamp as claimed in claim 2, wherein the elastic member and the light source plate are fixed by the inner circumferential surface and the outer circumferential surface.

4. The flat lamp as claimed in claim 2, wherein the outer peripheral surface has four continuous abutting side surfaces, the abutting side surfaces are flat surfaces and/or curved surfaces, the light source plate is fitted and fixed by two abutting side surfaces adjacent to each other and the inner peripheral surface, and the elastic member is fitted and fixed by the other two abutting side surfaces adjacent to each other and the inner peripheral surface.

5. A flat panel light as claimed in claim 4, wherein there are two of said light source panels, said light source panels having a circumferential extent which is coincident with said abutting side.

6. A flat panel lamp as claimed in claim 4, wherein a plurality of said elastic members are uniformly arranged along said escape space.

7. A flat panel lamp as claimed in claim 4, wherein the projection of the peripheral surface in the direction of the light exit surface is quadrilateral.

8. The flat lamp as claimed in claim 7, wherein a projection of the outer peripheral surface in a direction in which the light exit surface faces is rectangular, and a center of the outer peripheral surface and a center of the inner peripheral surface overlap each other.

9. The flat panel lamp as claimed in claim 7, wherein the light emitting direction of the light source plate and the facing direction of the abutting side face are perpendicular to the facing direction of the light emitting face.

10. The flat panel lamp according to any one of claims 2 to 9, further comprising an elastic plate, a diffusion plate, and a light reflecting member, wherein the diffusion plate, the light guiding member, the light reflecting member, and the elastic plate are sequentially stacked and disposed in the installation cavity from a position close to the light outlet to a position far away from the light outlet, and a side of the light reflecting member facing the light guiding member is a light reflecting surface.

11. A flat panel light as claimed in claim 10, wherein the light reflecting member is a light reflecting paper, the light reflecting paper covers a side of the elastic member facing the light guide member, and the light reflecting surface is provided on a side of the light reflecting paper facing the light guide member.

12. The flat lamp according to claim 10, further comprising a back plate and a fixing member, wherein the mounting cavity penetrates the main lamp body, the mounting cavity has a mounting port facing the light emitting port, the main lamp body further has an abutting member protruding from an inner edge of the light emitting port and having an abutting surface facing the mounting port, the diffusion plate abuts against the abutting surface, the back plate covers the mounting port and abuts against the elastic plate, and the fixing member fixes the back plate to the main lamp body.

13. The flat lamp as claimed in claim 12, wherein the fixing member is a bolt assembly, the back plate is formed with a through hole, a fixing hole corresponding to the through hole is formed at a side of the main lamp body facing the back plate, and the back plate and the main lamp body are fixedly connected to the through hole and the fixing hole by the bolt assembly.