CN211551502U

CN211551502U - Prevent that light guide plate thermal energy from extrudeing LED's panel light

Info

Publication number: CN211551502U
Application number: CN201922471122.XU
Authority: CN
Inventors: 吴少红
Original assignee: Shenzhen Hensel Photoelectric Co ltd
Current assignee: Shenzhen Hensel Photoelectric Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-22
Anticipated expiration: 2029-12-31

Abstract

The utility model provides a prevent that light guide plate thermal energy from extrudeing LED's panel light, a serial communication port, include frame by lower supreme range upon range of setting together, elastic buffer, the radiating piece, LED lamp strip, the prism board, the diffusion barrier, the light guide plate, the reflector, EVA pad and backplate, wherein, LED lamp strip is installed in the position that is close to the light guide plate both sides, the light that LED lamp strip sent is through the prism board, the diffusion barrier, outside luminous behind the control and the processing effect of light guide plate and reflector, the top of LED lamp strip is the prism board, the radiating piece is installed in the below of LED lamp strip, elastic buffer installs between radiating piece and frame. The panel lamp has the advantages of small thickness, good stability, heat dissipation, thermal expansion and cold contraction resistance and weather resistance, and particularly can bear the back-and-forth impact generated by thermal expansion and cold contraction of the light guide plate for a long time, avoid damage or looseness caused by extrusion, and ensure the safe transportation of the panel lamp in a high-temperature area and the reliable and stable use of the panel lamp at high temperature.

Description

Prevent that light guide plate thermal energy from extrudeing LED's panel light

Technical Field

The utility model relates to a lighting apparatus field especially relates to a prevent acrylic light guide plate thermal energy extrusion LED's panel light.

Background

The panel lamp is an essential lighting appliance in life of people, and is a main product of indoor LED lighting. The light guide plate is one of key components in a panel lamp, and a typical light guide plate is made of acrylic, so that the light guide plate not only has good light guide performance, but also has sensitive expansion with heat and contraction with cold. Therefore, when the panel light is transported on the sea in summer or used in some high-temperature areas, the panel light is prone to be damaged by the fact that the light guide plate is heated to expand to generate extrusion, and the LED is likely to be damaged, and the panel light can be damaged in batches, or at least the performance and the service life of the panel light are affected. In addition, the existing panel lamp combination structure has large design thickness, and the heat dissipation, the stability and the reliability of the panel lamp combination structure are all required to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an above-mentioned defect of prior art is overcome to main aim at, provides a prevent that light guide plate thermal energy from extrudeing LED's panel light to reach simple compactness in structure, thickness are little, the steadiness is good, good reliability, good heat dissipation, long service life.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a prevent that light guide plate thermal energy from extrudeing LED's panel light, includes frame, elastic buffer, radiating piece, LED lamp strip, prism board, diffusion barrier, light guide plate, reflector, EVA pad and backplate by lower supreme range upon range of setting together, wherein, LED lamp strip installs and is close to the position of light guide plate both sides, the light that LED lamp strip sent passes through the prism board the diffusion barrier the light guide plate and outwards give out light behind the control and the processing action of reflector, the top of LED lamp strip does the prism board, the radiating piece is installed the below of LED lamp strip, elastic buffer installs the radiating piece with between the frame.

Further:

the elastic buffer piece is a silica gel pad.

The outer frame comprises a hollow frame, a first side bottom edge baffle and a second side bottom edge baffle which are positioned at the bottoms of the two sides in the hollow frame, a pair of L-shaped step spaces which are oppositely arranged are formed at the two sides in the outer frame, the elastic buffer parts comprise first elastic buffer parts arranged on the first side bottom edge baffle and second elastic buffer parts arranged on the second side bottom edge baffle, the heat dissipation member includes a first heat dissipation member disposed on the first elastic cushion and a second heat dissipation member disposed on the second elastic cushion, the LED lamp strip comprises a first LED lamp strip arranged on the first heat dissipation part and a second LED lamp strip arranged on the second heat dissipation part, the first elastic buffer part, the second elastic buffer part, the first heat dissipation part, the second heat dissipation part, the first LED light bar and the second LED light bar are all contained in the pair of L-shaped step spaces.

The first LED lamp strip, the second LED lamp strip, the first heat dissipation part and the second heat dissipation part are long strips extending along the length directions of the first side bottom edge baffle and the second side bottom edge baffle respectively, and the first elastic buffer part and the second elastic buffer part are arranged along the length directions of the first side bottom edge baffle and the second side bottom edge baffle respectively.

The first elastic buffer part and the second elastic buffer part respectively comprise a plurality of cushion pad elements which are uniformly arranged at intervals.

The first heat dissipation member and the second heat dissipation member are opposite in opening

A long-strip-shaped heat dissipation member with a section.

The first heat dissipation member and the second heat dissipation member are made of aluminum materials.

The outer frame is an aluminum frame.

The light guide plate is an acrylic plate.

The back plate is provided with a screw mounting hole, and the lifting buckle is mounted on the upper surface of the back plate through a screw.

The utility model discloses following beneficial effect has:

the utility model provides a can prevent adverse effect's that light guide plate expend with heat and contract with cold effect brought panel light through the integrated configuration design of frame, elastic buffer, radiating piece, LED lamp strip, light control subassembly (prism board, diffusion barrier, light guide plate, reflector), EVA pad and backplate, provides a simple compactness in structure, thickness is little, the steadiness is good, the good reliability, good heat dissipation, long service life's LED panel light. The elastic buffer part and the heat dissipation part are arranged between the outer frame and the LED lamp strip, wherein the heat dissipation part plays a good heat dissipation role on the LED lamp strip, the light guide plate is heated to expand, and when expansion pressure is transmitted to the elastic buffer part through the diffusion film, the prism plate, the LED lamp strip and the heat dissipation part, the elastic buffer part can contract, so that the expansion pressure is buffered, and the LED lamp strip is not extruded and damaged by the heated expansion of the light guide plate; and when the temperature reduces the shrink of light guide plate, the elastic buffer also kick-backs correspondingly to also can not become flexible between light guide plate and the LED lamp strip. The embodiment of the utility model provides a panel light's subassembly structure has good steadiness, thermal expansion and contraction resistance and weatherability, can bear the impact of making a round trip because of the production of light guide plate thermal expansion and contraction for a long time, avoids because the extrusion is impaired or appear becoming flexible, can guarantee panel light safe transportation in high temperature area and realize the reliable stable use under high temperature.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention for preventing the thermal expansion of the light guide plate from extruding the LED panel lamp.

Detailed Description

The embodiments of the present invention will be described in detail below. It should be emphasized that the following description is merely exemplary in nature and is not intended to limit the scope of the invention or its application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. In addition, the connection may be either a permanent fixation (e.g., adhesive, curing) or a releasable connection.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the embodiments of the present invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention for preventing the thermal expansion of the light guide plate from extruding the LED panel lamp. Referring to fig. 1, the embodiment of the utility model provides a prevent light guide plate thermal energy extrusion LED's panel light, include frame 1, elastic buffer 2, heat dissipation piece 3, LED lamp strip 4, prism board 5, diffusion barrier 6, light guide plate 7, reflector 8, EVA pad 9 and backplate 10 by lower supreme range upon range of setting together, wherein, LED lamp strip 4 is installed and is close to the position of light guide plate 7 both sides, the light that LED lamp strip 4 sent passes through prism board 5 diffusion barrier 6 light guide plate 7 and outwards give out light behind the control and the processing action of reflector 8, LED lamp strip 4's top does prism board 5, heat dissipation piece 3 is installed LED lamp strip 4's below, elastic buffer 2 install heat dissipation piece 3 with between the frame 1. Wherein, LED lamp strip 4 can include PCBA board and install the LED on the PCBA board. In addition, the panel light for preventing the light guide plate from being thermally expanded to press the LED may further include a hanging buckle 12 and an associated wire 13, etc. For example, screw mounting holes may be formed in the back plate 10, and the hanging fasteners 12 may be mounted on the upper surface of the back plate 10 through screws 11.

In some preferred embodiments, the outer frame 1 is an aluminum frame, the elastic buffer 2 is a silica gel pad, the heat sink 3 is an aluminum material, the light guide plate is a 7 acrylic plate, and the light reflector 8 may be a reflective paper. As shown in fig. 1, the outer frame 1 includes a hollow frame, and a first side bottom edge baffle 101 and a second side bottom edge baffle (not shown in the view angle of fig. 1) located at the bottom of two sides in the hollow frame, two sides in the outer frame 1 form a pair of L-shaped step spaces arranged oppositely, the elastic buffer 2 includes a first elastic buffer arranged on the first side bottom edge baffle 101 and a second elastic buffer arranged on the second side bottom edge baffle, the heat sink 3 includes a first heat sink arranged on the first elastic buffer and a second heat sink arranged on the second elastic buffer, the LED light bar 4 includes a first LED light bar arranged on the first heat sink and a second LED light bar arranged on the second heat sink, the first elastic buffer, the second elastic buffer, the first heat sink, The second heat dissipation part, the first LED lamp strip and the second LED lamp strip are all contained in the pair of L-shaped step spaces. Preferably, the first LED light bar, the second LED light bar, the first heat dissipating member, and the second heat dissipating member are elongated strips extending along the length direction of the first side bottom edge baffle 101 and the second side bottom edge baffle, respectively, and the first elastic buffer member and the second elastic buffer member are disposed along the length direction of the first side bottom edge baffle 101 and the second side bottom edge baffle, respectively. Preferably, the first elastic buffer member and the second elastic buffer member respectively include a plurality of cushion elements arranged at regular intervals. Compared withPreferably, the first heat dissipation element and the second heat dissipation element are a pair of heat dissipation elements with opposite openings

A long-strip-shaped heat dissipation member with a section. The optimal design of the first heat dissipation member and the second heat dissipation member is very beneficial to heat conduction and circulation dissipation in the outer frame 1.

In the above embodiment, through the optimal design of the combination structure of the outer frame 1, the elastic buffer member 2, the heat dissipation member 3, the LED light bar 4, the light control assembly (the prism plate 5, the diffusion film 6, the light guide plate 7, the light reflection member 8), the EVA mat and the back plate, the LED panel light which is simple and compact in structure, small in thickness, good in stability, strong in reliability, good in heat dissipation performance and long in service life is provided. An elastic buffer part 2 and a heat dissipation part 3 are arranged between the outer frame 1 and the LED light bar 4, wherein the heat dissipation part 3 has a good heat dissipation effect on the LED light bar 4, and when the light guide plate 7 is heated and expands, and expansion pressure is transmitted to the elastic buffer part 2 through the diffusion film 6, the prism plate 5, the LED light bar 4 and the heat dissipation part 3, the elastic buffer part 2 is extruded and contracted, so that the expansion pressure is buffered, and the LED light bar 4 cannot be extruded and damaged by the heated expansion of the light guide plate 7; when the light guide plate 7 contracts due to temperature reduction, the elastic buffer 2 correspondingly rebounds, so that the light guide plate 7 and the LED light bar 4 cannot loosen. The assembly of the panel lamp has good stability, thermal expansion and cold contraction resistance and weather resistance, can bear the back and forth impact generated by thermal expansion and cold contraction of the light guide plate for a long time, avoids damage or looseness caused by extrusion, and can ensure safe transportation of the panel lamp in a high-temperature area and reliable and stable use of the panel lamp at high temperature.

The background section of the present invention may contain background information related to the problems or the environment of the present invention and is not necessarily descriptive of the prior art. Accordingly, the inclusion in the background section is not an admission of prior art by the applicant.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific/preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. For those skilled in the art to which the invention pertains, a plurality of alternatives or modifications can be made to the described embodiments without departing from the concept of the invention, and these alternatives or modifications should be considered as belonging to the protection scope of the invention. In the description herein, references to the description of the term "one embodiment," "some embodiments," "preferred embodiments," "an example," "a specific example," or "some examples" or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction. Although the embodiments of the present invention and their advantages have been described in detail, it should be understood that various changes, substitutions and alterations can be made herein without departing from the scope of the claims.

Claims

1. The utility model provides a prevent that light guide plate thermal energy from extrudeing LED's panel light, its characterized in that includes frame, elastic buffer, radiating piece, LED lamp strip, prism board by lower supreme range upon range of setting together, diffusion barrier, light guide plate, reflector, EVA pad and backplate, wherein, LED lamp strip is installed and is close to the position of light guide plate both sides, the light that LED lamp strip sent passes through the prism board the diffusion barrier the light guide plate and outwards give out light behind the control and the processing effect of reflector, the top of LED lamp strip does the prism board, the radiating piece is installed the below of LED lamp strip, elastic buffer installs the radiating piece with between the frame.

2. The light panel lamp as claimed in claim 1, wherein the elastic buffer member is a silicone pad.

3. The panel lamp as claimed in claim 1 or 2, wherein the outer frame comprises a hollow frame and a first bottom side baffle and a second bottom side baffle located at the bottom of the two sides of the hollow frame, a pair of opposite L-shaped step spaces is formed at the two sides of the outer frame, the elastic buffer comprises a first elastic buffer disposed on the first bottom side baffle and a second elastic buffer disposed on the second bottom side baffle, the heat sink comprises a first heat sink disposed on the first elastic buffer and a second heat sink disposed on the second elastic buffer, the LED light bar comprises a first LED light bar disposed on the first heat sink and a second LED light bar disposed on the second heat sink, and the first elastic buffer, the second elastic buffer, the third elastic buffer, the fourth elastic buffer, the third elastic buffer, the fourth elastic buffer, and, The first heat dissipation piece, the second heat dissipation piece, the first LED lamp strip and the second LED lamp strip are contained in the pair of L-shaped step spaces.

4. The light panel of claim 3, wherein the first LED light bar, the second LED light bar, the first heat dissipating member and the second heat dissipating member are elongated strips extending along the length direction of the first bottom side barrier and the second bottom side barrier, respectively, and the first elastic buffer member and the second elastic buffer member are disposed along the length direction of the first bottom side barrier and the second bottom side barrier, respectively.

5. The panel lamp of claim 4, wherein the first and second elastic buffers each include a plurality of buffer elements uniformly spaced apart from each other.

6. The method according to claim 4, wherein the LED is prevented from being pressed by the thermal expansion of the light guide plateA panel lamp, wherein the first heat dissipating member and the second heat dissipating member are open oppositely

A long-strip-shaped heat dissipation member with a section.

7. The light panel lamp for preventing the thermal expansion of the light guide plate from pressing the LED as claimed in claim 6, wherein the first heat dissipation member and the second heat dissipation member are aluminum materials.

8. The panel lamp of claim 1 or 2, wherein the outer frame is an aluminum frame.

9. The panel lamp of claim 1 or 2, wherein the light guide plate is an acrylic plate.

10. The panel lamp as claimed in claim 1 or 2, further comprising a hanging buckle, wherein the back plate is provided with screw mounting holes and the hanging buckle is mounted on the upper surface of the back plate by screws.