CN211738803U - Prevent panel light of lamp pearl extrusion - Google Patents
Prevent panel light of lamp pearl extrusion Download PDFInfo
- Publication number
- CN211738803U CN211738803U CN202020623748.8U CN202020623748U CN211738803U CN 211738803 U CN211738803 U CN 211738803U CN 202020623748 U CN202020623748 U CN 202020623748U CN 211738803 U CN211738803 U CN 211738803U
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- heat dissipation
- light guide
- guide plate
- elastic sheet
- lamp
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Abstract
The utility model discloses a prevent extruded panel light of lamp pearl, including diffuser plate, light guide plate, reflecting plate, backplate, face frame and be equipped with the aluminium base board of lamp pearl, diffuser plate, light guide plate, coincide are arranged in proper order to reflecting plate and backplate, still include the heat dissipation flexure strip, face frame medial surface is equipped with the holding tank to the indent, the last lateral wall of holding tank is equipped with the slot, in the heat dissipation flexure strip inserted the slot along the length direction setting of holding tank and the top of heat dissipation flexure strip, aluminium base board and heat dissipation flexure strip fixed connection, lamp pearl and light guide plate side in close contact with. The LED lamp has the advantages that the lamp beads are tightly attached to the edge of the light guide plate, most of light rays emitted by the lamp beads directly enter the light guide plate to be utilized, and the light efficiency is improved; after the light guide plate is heated and expanded and the light guide plate extrudes the lamp beads, the lamp beads move backwards along with the heat dissipation elastic sheets to prevent the lamp beads from being extruded and exploded by the light guide plate; when the light guide plate recovers the original shape, the heat dissipation elastic sheet pushes the lamp beads to be tightly attached to the light guide plate under the elastic action of the heat dissipation elastic sheet, and the light efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of the panel light technique and specifically relates to a prevent extruded panel light of lamp pearl.
Background
The LED panel lamp has the advantages of good luminous effect, good illumination uniformity, soft light, comfort and brightness, and is widely used in many offices. When the lamp beads are tightly attached to the edge of the light guide plate, most of light rays emitted by the lamp beads are emitted from the light emitting surface of the light guide plate; when a gap exists between the lamp bead and the edge of the light guide plate, a part of light emitted by the lamp bead is greatly lost and cannot be emitted from the light emitting surface of the light guide plate. Consequently, increased optical efficiency, the edge with the light guide plate is generally hugged closely to the lamp pearl, but can generate heat when LED panel light during operation, and after long-time work, the light guide plate can take place the inflation because of the absorbed heat, and the lamp pearl exists the crowded risk of exploding by the light guide plate.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the not enough of prior art, provide a prevent extruded panel light of lamp pearl.
The utility model discloses a technical scheme:
the utility model provides a prevent extruded panel light of lamp pearl, includes diffuser plate, light guide plate, reflecting plate, backplate, face frame and is equipped with the aluminium base board of lamp pearl, and diffuser plate, light guide plate, reflecting plate and backplate are arranged the coincide in proper order, still includes the heat dissipation flexure strip, face frame medial surface indent is equipped with the holding tank, the last lateral wall of holding tank is equipped with the slot, in the heat dissipation flexure strip inserted the slot along the length direction setting of holding tank and the top of heat dissipation flexure strip, aluminium base board and heat dissipation flexure strip fixed connection, lamp pearl and light guide plate side in close contact with.
One preferable scheme is that the cross section of the slot is T-shaped, and the cross section of the top of the heat dissipation elastic sheet is T-shaped.
One preferred scheme is that the lower side wall of the accommodating groove is provided with a movable groove, and the bottom of the heat dissipation elastic sheet is positioned in the movable groove and freely moves in the movable groove.
In a preferable scheme, the surface where the heat dissipation elastic sheet is fixed with the aluminum substrate is a plane, and the other surface is an inclined surface inclined downwards.
Synthesize above-mentioned technical scheme, the beneficial effects of the utility model: the lamp beads are tightly attached to the edge of the light guide plate, most of light rays emitted by the lamp beads directly enter the light guide plate to be utilized, and the light efficiency is improved; after the light guide plate is heated and expanded and the light guide plate extrudes the lamp beads, the lamp beads move backwards along with the heat dissipation elastic sheets to prevent the lamp beads from being extruded and exploded by the light guide plate; when the light guide plate is restored to the original state, the heat dissipation elastic sheet pushes the lamp beads to be tightly attached to the light guide plate under the action of the elasticity of the heat dissipation elastic sheet, so that most of light rays emitted by the lamp beads directly enter the light guide plate to be utilized, and the light efficiency is improved; the heat generated by the aluminum substrate is also transferred to the heat dissipation elastic sheet and is finally dissipated to the outside; the luminescence is uniform.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic diagram of the present invention.
Detailed Description
For the purpose of illustrating the spirit and purposes of the present invention, the present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, a panel lamp capable of preventing extrusion of lamp beads comprises a diffusion plate 1, a light guide plate 2, a reflection plate 3, a back plate 4, a face frame 5 and an aluminum substrate 6 provided with lamp beads 61, wherein the diffusion plate 1, the light guide plate 2, the reflection plate 3 and the back plate 4 are sequentially arranged and overlapped, the panel lamp further comprises a heat dissipation elastic sheet 7, an accommodating groove 51 is inwards and concavely arranged on the inner side face of the face frame 5, an insertion groove 52 is arranged on the upper side wall of the accommodating groove 51, the heat dissipation elastic sheet 7 is arranged along the length direction of the accommodating groove 51, the top of the heat dissipation elastic sheet 7 is inserted into the insertion groove 52, the aluminum substrate 6 is fixedly connected with the heat dissipation elastic sheet.
As shown in fig. 1, the lamp beads 61 are tightly attached to the edge of the light guide plate 2, and most of the light emitted by the lamp beads 61 directly enters the light guide plate 2 to be utilized, so that the light efficiency is improved; after the light guide plate 2 is heated and expanded, and the light guide plate 2 extrudes the lamp beads 61, the lamp beads 61 move backwards along with the heat dissipation elastic sheets 7, so that the lamp beads 61 are prevented from being extruded and exploded by the light guide plate 2; after the light guide plate 2 is restored, the heat dissipation elastic sheet 7 pushes the lamp beads 61 to be tightly attached to the light guide plate under the action of the elasticity of the heat dissipation elastic sheet, so that most of light rays emitted by the lamp beads 61 directly enter the light guide plate 2 to be utilized, and the light efficiency is improved; the heat generated by the aluminum substrate 6 is also transferred to the heat dissipation elastic sheet 7 and finally dissipated to the outside.
As shown in fig. 1, the cross section of the insertion groove 52 is T-shaped, and the cross section of the top of the heat dissipating elastic sheet 7 is T-shaped. The aluminum substrate 6 is firstly fixed on one side surface of the heat dissipation elastic sheet 7, the heat dissipation elastic sheet 7 is inserted into the accommodating groove 51, and the top of the heat dissipation elastic sheet 7 is inserted into the inserting groove 52, so that the aluminum substrate 6 and the heat dissipation elastic sheet 7 can be conveniently installed and replaced.
As shown in fig. 1, the lower side wall of the accommodating groove 51 is provided with a movable groove 53, and the bottom of the heat dissipating elastic sheet 7 is located in the movable groove 53 and freely moves in the movable groove 53. The bottom of the heat dissipation elastic sheet 7 can move in the movable groove 53, after the light guide plate 2 is heated and expanded, and the light guide plate 2 extrudes the lamp bead 61, the lamp bead 61 moves backwards along with the heat dissipation elastic sheet 7, and the bottom of the heat dissipation elastic sheet 7 moves in the movable groove 53; when the light guide plate 2 is restored, the heat dissipation elastic sheet 7 pushes the lamp beads 61 to be tightly attached to the light guide plate under the action of the elasticity of the heat dissipation elastic sheet 7, and the bottom of the heat dissipation elastic sheet 7 moves in the movable groove 53; the movable groove 53 plays a role of limiting.
As shown in fig. 1, the surface of the heat dissipating elastic sheet 7 fixed to the aluminum substrate 6 is a flat surface, and the other surface is a slope surface inclined downward. The inclined surface of the heat dissipation elastic sheet 7 has a gap with the inner wall of the receiving groove 51, and the heat dissipation elastic sheet 7 can swing in the receiving groove 51 under the action of external force.
As shown in fig. 1, a heat dissipation through groove 54 penetrates through the face frame 5, the heat dissipation through groove 54 is parallel to the accommodating groove 51, and the heat dissipation through groove 54 can be communicated with the outside or connected with an external cold source. The heat in the accommodating groove 51 can be dissipated to the heat dissipating through groove 54, and the accommodating groove 51 dissipates the heat to the outside.
As shown in fig. 1, an extension 56 for supporting the diffusion plate 1 extends outward from the lower sidewall of the receiving groove 51, a wavy sealing block 55 is disposed between the extension 56 and the diffusion plate 1, and the sealing block 55 serves to seal and support the diffusion plate 1.
The above is a detailed implementation manner of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (4)
1. The utility model provides a prevent extruded panel light of lamp pearl, includes diffuser plate, light guide plate, reflecting plate, backplate, face frame and is equipped with the aluminium base board of lamp pearl, and diffuser plate, light guide plate, reflecting plate and backplate are arranged the coincide in proper order, its characterized in that still includes the heat dissipation elastic sheet, the medial surface of face frame is equipped with the holding tank to the indent, the last lateral wall of holding tank is equipped with the slot, in the heat dissipation elastic sheet inserted the slot along the length direction setting of holding tank and the top of heat dissipation elastic sheet, aluminium base board and heat dissipation elastic sheet fixed connection, lamp pearl and light guide plate side in close contact with.
2. The lamp bead squeezing-proof panel lamp as claimed in claim 1, wherein the cross section of the slot is T-shaped, and the cross section of the top of the heat dissipation elastic sheet is T-shaped.
3. The lamp bead squeezing-proof panel lamp according to claim 1 or 2, wherein the lower side wall of the accommodating groove is provided with a movable groove, and the bottom of the heat dissipation elastic sheet is located in the movable groove and freely moves in the movable groove.
4. The panel lamp capable of preventing the extrusion of the lamp beads as claimed in claim 1, wherein the surface of the heat dissipation elastic sheet fixed with the aluminum substrate is a plane, and the other surface is an inclined surface inclined downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020623748.8U CN211738803U (en) | 2020-04-22 | 2020-04-22 | Prevent panel light of lamp pearl extrusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020623748.8U CN211738803U (en) | 2020-04-22 | 2020-04-22 | Prevent panel light of lamp pearl extrusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211738803U true CN211738803U (en) | 2020-10-23 |
Family
ID=72852874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020623748.8U Active CN211738803U (en) | 2020-04-22 | 2020-04-22 | Prevent panel light of lamp pearl extrusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211738803U (en) |
-
2020
- 2020-04-22 CN CN202020623748.8U patent/CN211738803U/en active Active
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