CN211123346U - Electronic blackboard backlight source with good heat dissipation effect - Google Patents
Electronic blackboard backlight source with good heat dissipation effect Download PDFInfo
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- CN211123346U CN211123346U CN201922449738.7U CN201922449738U CN211123346U CN 211123346 U CN211123346 U CN 211123346U CN 201922449738 U CN201922449738 U CN 201922449738U CN 211123346 U CN211123346 U CN 211123346U
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- plate
- heat dissipation
- backlight source
- electronic blackboard
- dissipation effect
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- 230000000694 effects Effects 0.000 title claims abstract description 24
- 230000017525 heat dissipation Effects 0.000 title claims description 27
- 239000003292 glue Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 238000009792 diffusion process Methods 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 16
- 238000010030 laminating Methods 0.000 abstract description 4
- 241000561734 Celosia cristata Species 0.000 abstract description 2
- 210000001520 comb Anatomy 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 5
- 239000012790 adhesive layer Substances 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model discloses an electronic blackboard backlight that radiating effect is good relates to backlight technical field the utility model discloses a backplate and light guide plate are connected with the light guide plate on the backplate, are equipped with a rectangular hole on the backplate, and the rectangular hole in-connection has the radiator, and the radiator includes a heating panel, and the one side and the backplate laminating of heating panel, the one end of heating panel are equipped with rather than the vertically connecting plate, be equipped with on the connecting plate with the first connecting portion of rectangular hole cooperation, and the connecting plate still is equipped with the second connecting portion, and the second connecting portion are connected with the lamp plate, and the lamp plate side is connected with a plurality of L ED lamps, the utility model discloses a with the one side and the backplate laminating of heating panel, the another side is established to cockscomb structure, can make L ED lamp dispel the heat.
Description
Technical Field
The utility model belongs to the technical field of the backlight, especially, relate to an electronic blackboard backlight that radiating effect is good.
Background
The general electronic blackboard adopts a direct type backlight source mode, has high brightness, dispersed light bar arrangement and better heat dissipation. The thickness of the side-in backlight source is thin and is gradually favored by people, but the side-in light bar is thin due to the requirement, the light bar arrangement is concentrated, the brightness reaches the standard, the temperature is very high, the surface temperature of the existing room-temperature side-in light bar is higher than 80 ℃, the heat dissipation effect is poor, the service life of a light source is affected, backlight source parts can be damaged, and the stability and the service life of the electronic blackboard are greatly reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a long service life, good electronic blackboard backlight of radiating effect, through connecting L ED lamp plate on the radiator, the poor problem of current side income formula backlight radiating effect has been solved in radiator and backplate contact.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to an electronic blackboard backlight that radiating effect is good, including backplate and light guide plate, be connected with the light guide plate on the backplate, be equipped with a rectangular hole on the backplate, the rectangular hole in-connection has the radiator, the radiator includes a heating panel, the one side of heating panel with the backplate laminating, the one end of heating panel is equipped with rather than the vertically connecting plate, be equipped with on the connecting plate with the first connecting portion of rectangular hole cooperation, just still be equipped with the second connecting portion on the connecting plate, the second connecting portion are connected with the lamp plate, the lamp plate side is connected with a plurality of L ED lamps.
Furthermore, a plurality of first mounting holes are formed in the periphery of the back plate and used for mounting the back plate.
Furthermore, the lamp plate is a multilayer aluminum substrate, and the heat conduction effect is good.
Further, the lamp plate with be equipped with the heat-conducting glue layer between the second connecting portion, the heat-conducting glue layer is used for fixed lamp plate, and heat transfer effect is good.
Furthermore, one surface of the heat dissipation plate, which is far away from the back plate, is of a saw-toothed structure, so that the heat dissipation area is increased, and the heat dissipation effect is improved.
Furthermore, the periphery of the upper surface of the light guide plate is connected with a fixing frame, the upper surface of the light guide plate is provided with a diffusion film, and the diffusion film is fixed on the light guide plate through the fixing frame.
Furthermore, a reflector is connected to the connecting plate, so that the brightness of the light guide plate is improved.
Further, the reflector is an arc-shaped plate.
Furthermore, a fixing plate is arranged on one side face of the connecting plate, a plurality of second mounting holes are formed in the fixing plate, and the radiator is fixed on the back plate through the second mounting holes.
The utility model discloses following beneficial effect has:
the utility model discloses a be equipped with the rectangular hole on the backplate, the rectangular hole in-connection has the radiator, and the radiator is connected with the lamp plate through heat-conducting adhesive layer, and the lamp plate is the aluminium base plate structure of multilayer, the one side and the backplate contact of heating panel, and the heating panel passes the heat to the backplate, and the cockscomb structure is personally submitted to another of heating panel simultaneously, and increase heat radiating area has improved the radiating effect of this backlight, has prolonged life.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a side view of the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
FIG. 4 is a schematic structural diagram of a back plate;
FIG. 5 is a schematic view of a heat sink;
in the drawings, the components represented by the respective reference numerals are listed below:
1-backboard, 2-radiator, 3-light guide plate, 4-fixed frame, 5-thermal conductive adhesive layer, 6-lamp panel, 7-L ED lamp, 8-reflector, 101-rectangular hole, 102-first mounting hole, 201-heat-radiating plate, 202-connecting plate, 203-first connecting part, 204-second connecting part, 205-fixed plate, 206-second mounting hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "rectangular aperture", "upper", "lower", "periphery", "top", "middle", "length", "inner", "peripheral", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-5, the utility model relates to an electronic blackboard backlight with good heat dissipation effect, including backplate 1 and light guide plate 3, backplate 1 is big sheet metal material, backplate 1's periphery is equipped with a plurality of first mounting holes 102 for the installation of backplate 1, fixedly connected with light guide plate 3 on backplate 1, backplate 1 is equipped with a rectangular hole 101, rectangular hole 101 in-connection has radiator 2, radiator 2 includes a heating panel 201, one side of heating panel 201 and backplate 1 laminating, the heat passes through heating panel 201 and transmits to backplate 1, dispel the heat through backplate 1 is quick, the radiating effect has been improved, the one end of heating panel 201 is equipped with rather than perpendicular connecting plate 202, be equipped with on the connecting plate 202 with rectangular hole 101 cooperation first connecting portion 203, and connecting plate 202 still is equipped with second connecting portion 204, second connecting portion 204 is connected with lamp plate 6, lamp plate 6 side is connected with a plurality of L ED lamps 7, L lamp is hit light on light guide plate 3.
Wherein, lamp plate 6 is double-deck or three-layer aluminium base board, the heat transfer effect of increase L ED lamp 7.
Wherein, be equipped with heat-conducting glue layer 5 between lamp plate 6 and the second connecting portion 204, heat-conducting glue layer 5 is used for fixed lamp plate 6, has promoted the heat transfer effect between lamp plate 6 and the heating panel 2 simultaneously.
Wherein, the periphery of the upper surface of the light guide plate 3 is connected with a fixed frame 4, and the upper surface of the light guide plate 3 is connected with a diffusion film through the fixed frame.
Wherein, a reflector 8 is connected to the connection board 202.
The light reflecting plate 8 is an arc-shaped plate, reflects light, and improves the brightness of the light guide plate 3.
One surface of the heat dissipation plate 201, which is far away from the back plate 1, is of a sawtooth structure, so that the heat dissipation surface of the heat dissipation plate is increased, and the heat dissipation rate is increased.
Wherein, a fixing plate 205 is arranged on one side surface of the connecting plate 202, a plurality of second mounting holes 206 are arranged on the fixing plate 205, and the connecting plate 202 is fixed on the backboard 1 through the mounting holes 206.
The utility model discloses a heat dissipation principle L ED lamp is luminous to produce the heat, and on heat transfer reached lamp plate 6, lamp plate 6 passed through thermal conductive adhesive layer 5 with heat transfer to radiator 2, and the zigzag structure heat dissipation of heating panel 201 is passed through to some heat, and another part heat is passed to backplate 1 from radiator 201 on, through the quick heat dissipation of backplate 1, has reduced the temperature of light source, has improved the life of blackboard backlight.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., 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 do not necessarily 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.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. The utility model provides a good blackboard backlight of radiating effect, includes backplate (1) and light guide plate (3), its characterized in that:
the light guide plate (3) is connected to the back plate (1), the rectangular hole (101) is formed in the back plate (1), and the radiator (2) is connected to the rectangular hole (101);
the radiator (2) comprises a heat dissipation plate (201), one surface of the heat dissipation plate (201) is attached to the back plate (1), and one end of the heat dissipation plate (201) is provided with a connecting plate (202) perpendicular to the heat dissipation plate;
be equipped with on connecting plate (202) with first connecting portion (203) of rectangular hole (101) cooperation, just connecting plate (202) still is equipped with second connecting portion (204), second connecting portion (204) are connected with lamp plate (6), lamp plate (6) side is connected with a plurality of L ED lamps (7).
2. The backlight source for the electronic blackboard with good heat dissipation effect as claimed in claim 1, wherein the periphery of the back plate (1) is provided with a plurality of first mounting holes (102).
3. The backlight source for the electronic blackboard with good heat dissipation effect as claimed in claim 1 or 2, wherein the lamp panel (6) is a multi-layer aluminum substrate.
4. The electronic blackboard backlight source with good heat dissipation effect as claimed in claim 3, wherein a heat-conducting glue layer (5) is arranged between the lamp panel (6) and the second connecting portion (204).
5. The backlight source for the electronic blackboard with good heat dissipation effect as claimed in claim 1 or 4, wherein a fixing frame (4) is connected to the periphery of the upper surface of the light guide plate (3), and a diffusion film is connected to the upper surface of the light guide plate (3).
6. The backlight source for electronic blackboards with good heat dissipation effect as claimed in claim 1, 2 or 4, wherein the connection board (202) is connected with a reflector (8).
7. The backlight source of claim 6, wherein the reflector (8) is an arc-shaped plate.
8. The backlight source for the electronic blackboard with good heat dissipation effect as claimed in claim 1, 2, 4 or 7, wherein the surface of the heat dissipation plate (201) far away from the backboard (1) is in a saw-toothed structure.
9. The backlight source for the electronic blackboard with good heat dissipation effect as claimed in claim 8, wherein a fixing plate (205) is disposed on one side of the connecting plate (202), and a plurality of second mounting holes (206) are disposed on the fixing plate (205).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922449738.7U CN211123346U (en) | 2019-12-31 | 2019-12-31 | Electronic blackboard backlight source with good heat dissipation effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922449738.7U CN211123346U (en) | 2019-12-31 | 2019-12-31 | Electronic blackboard backlight source with good heat dissipation effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211123346U true CN211123346U (en) | 2020-07-28 |
Family
ID=71695983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922449738.7U Active CN211123346U (en) | 2019-12-31 | 2019-12-31 | Electronic blackboard backlight source with good heat dissipation effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211123346U (en) |
-
2019
- 2019-12-31 CN CN201922449738.7U patent/CN211123346U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An electronic blackboard backlight with good heat dissipation effect Granted publication date: 20200728 Pledgee: Anhui Jiangnan Industrial Concentration Zone Construction Investment Development (Group) Co.,Ltd. Pledgor: Anhui Wenxiang Information Technology Co.,Ltd. Registration number: Y2024980010826 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |