CN216052541U - Backlight plate convenient for heat dissipation - Google Patents
Backlight plate convenient for heat dissipation Download PDFInfo
- Publication number
- CN216052541U CN216052541U CN202122689474.XU CN202122689474U CN216052541U CN 216052541 U CN216052541 U CN 216052541U CN 202122689474 U CN202122689474 U CN 202122689474U CN 216052541 U CN216052541 U CN 216052541U
- Authority
- CN
- China
- Prior art keywords
- heat dissipation
- shell
- heat
- rear side
- circuit board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model relates to the technical field of backlight plates, in particular to a backlight plate convenient for heat dissipation, which comprises a shell, wherein the front side of the shell is of an open structure, a light guide plate is arranged in the shell and close to the edge of the front side, the rear side of the light guide plate is provided with a circuit board, and the rear side of the circuit board is provided with a heat dissipation assembly; according to the utility model, air can flow in from the rear side and the left and right sides of the shell through the air holes and the heat dissipation grids, so that the air circulation inside the shell is improved, when the LED lamp beads emit light to generate heat, the heat conducting fins influence the heat, the heat is guided to the heat dissipation plate through the heat conducting columns, so that the heat dissipation of the heat dissipation fin groups is realized, the air circulation inside the shell can be accelerated by the operation of the heat dissipation fan, the heat dissipation inside the backlight plate is realized rapidly, the light emitting effect of a light source is ensured, and the image effect of the liquid crystal display screen is prevented from being reduced.
Description
Technical Field
The utility model relates to the technical field of backlight plates, in particular to a backlight plate convenient for heat dissipation.
Background
The backlight is a light source device for ensuring the brightness of the back of the liquid crystal display, and the liquid crystal display itself is transparent and does not emit light, so the backlight is needed for assistance. The brightness, uniformity and other indexes of the backlight plate have direct influence on the relevant performance of the liquid crystal display screen.
Temperature variation in the board in a poor light has great influence to the luminous effect of light source, and the circulation effect of the inside air of present board in a poor light makes the inside of board in a poor light inconvenient dispel the heat, can make the luminous effect of light source reduce when the high temperature in the board in a poor light, makes liquid crystal display's image effect reduce, and comfort level when leading to the user to watch liquid crystal display reduces. In view of this, a backlight plate with convenient heat dissipation is provided.
SUMMERY OF THE UTILITY MODEL
In order to make up for the above deficiencies, the utility model provides a backlight plate convenient for heat dissipation.
The technical scheme of the utility model is as follows:
the utility model provides a board in a poor light convenient to heat dissipation, includes the shell, the front side of shell is open structure, the inside of shell just is close to front side edge and installs the light guide plate, the rear side of light guide plate is equipped with the circuit board, the rear side of circuit board is equipped with radiator unit.
As the preferred technical scheme, the air holes distributed in an array mode are formed in the side walls of the left side and the right side of the shell and close to the rear side edge, and the side walls of the rear side of the shell are provided with the mutually symmetrical radiating grids.
As a preferable technical solution, a heat dissipation fan is installed on the inner wall of the rear side of the housing and on the front side of the heat dissipation grid.
As an optimized technical scheme, a plurality of LED lamp beads distributed in an array are installed on the circuit board.
As the preferred technical scheme, the radiating assembly comprises a heat conducting sheet and a radiating plate, the heat conducting sheet is fixedly connected with the circuit board through a bolt, one side, close to the radiating plate, of the heat conducting sheet is provided with a plurality of heat conducting columns distributed in an array mode, the other ends of the heat conducting columns are fixedly welded with the radiating plate, a plurality of radiating fin groups distributed in the array mode are arranged on the radiating plate, and a plurality of radiating holes distributed uniformly are formed in the radiating plate.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, air can flow in from the rear side and the left and right sides of the shell through the air holes and the heat dissipation grids, so that the air circulation inside the shell is improved, when the LED lamp beads emit light to generate heat, the heat conducting fins influence the heat, the heat is guided to the heat dissipation plate through the heat conducting columns, so that the heat dissipation of the heat dissipation fin groups is realized, the air circulation inside the shell can be accelerated by the operation of the heat dissipation fan, the heat dissipation inside the backlight plate is realized rapidly, the light emitting effect of a light source is ensured, and the image effect of the liquid crystal display screen is prevented from being reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;
FIG. 2 is an exploded view of the whole structure of embodiment 1 of the present invention;
fig. 3 is an exploded view of the heat dissipation assembly according to embodiment 1 of the present invention;
FIG. 4 is a schematic structural view of a housing according to embodiment 1 of the present invention;
FIG. 5 is a schematic structural view of a housing according to embodiment 2 of the present invention;
fig. 6 is a schematic view of a dust screen structure in embodiment 2 of the present invention.
In the figure:
1. a housing; 11. air holes are formed; 12. a heat dissipation grid; 13. a card slot; 14. fixing grooves; 2. a light guide plate; 3. a circuit board; 31. LED lamp beads; 4. a heat dissipating component; 41. a heat conductive sheet; 411. a heat-conducting column; 42. a heat dissipation plate; 421. a fin group; 422. heat dissipation holes; 5. a heat radiation fan; 6. a dust screen; 61. a movable frame; 62. and (5) fixing blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Example 1
Referring to fig. 1 to fig. 4, the present embodiment provides a technical solution:
the utility model provides a board in a poor light convenient to it is radiating, includes shell 1, and the front side of shell 1 is open structure, and the light guide plate 2 is installed to the inside of shell 1 and near front side edge, and the rear side of light guide plate 2 is equipped with circuit board 3, and the rear side of circuit board 3 is equipped with radiator unit 4.
As the preferred of this embodiment, the lateral wall of the left and right sides of the housing 1 and the lateral wall near the rear side edge are all provided with the air holes 11 distributed in an array, the lateral wall at the rear side of the housing 1 is provided with the mutually symmetrical heat dissipation grids 12, air can flow in from the rear side and the left and right sides of the housing 1 through the air holes 11 and the heat dissipation grids 12, the air circulation inside the housing 1 is enhanced, and therefore heat dissipation is facilitated.
Preferably, the heat dissipation fan 5 is installed on the inner wall of the rear side of the housing 1 and located on the front side of the heat dissipation grid 12, the heat dissipation fan 5 is composed of a fixing frame, a motor and fan blades, the rotating shaft of the fan blades is coaxially connected with the output shaft of the motor, and the motor can drive the fan blades to rotate, so that the air circulation inside the housing 1 is accelerated, and the heat dissipation effect is improved.
As the preferred of this embodiment, install a plurality of array distribution's LED lamp pearl 31 on the circuit board 3, LED lamp pearl 31 can be at 2 rear sides of light guide plate uniform light emitting, for the light input of light guide plate 2 improvement stability to improve the astigmatic effect of light guide plate.
Preferably, the heat dissipating assembly 4 includes a heat conducting sheet 41 and a heat dissipating plate 42, the heat conducting sheet 41 is fixedly connected to the circuit board 3 by a bolt, the heat conducting sheet 41 is made of an aluminum sheet with good heat conductivity, the heat conducting sheet 41 can guide the heat of the circuit board 3 for facilitating heat dissipation, a plurality of heat conducting columns 411 are arranged on one side of the heat conducting sheet 41 close to the heat dissipating plate 42, the other ends of the heat conducting columns 411 are welded to the heat dissipating plate 42, the heat can be guided to the heat dissipating plate 42 by the heat conducting columns 411 for facilitating heat dissipation, the heat guiding efficiency of the heat can be improved by the heat conducting columns 411 in dense array form, thereby facilitating heat dissipation, a plurality of heat dissipating plate groups 421 in array form are arranged on the heat dissipating plate 42, the heat dissipating plate groups 421 are made of heat dissipating plates distributed in annular array form, the heat dissipating plate groups 421 can rapidly dissipate heat, the heat dissipating plate 42 is provided with a plurality of heat dissipating holes 422 distributed uniformly, the heat dissipation holes 422 facilitate air circulation at both sides of the heat dissipation plate 42, thereby improving heat dissipation.
In the specific use, LED lamp pearl 31 is luminous makes circuit board 3 and LED lamp pearl 31 produce the heat, conducting strip 41 guides the heat, make the heat flow to heating panel 42 through heat conduction post 411, cooling fin group 421 on heating panel 42 dispels the heat, 5 operations of radiator fan are through bleeder vent 11 and the inside circulation of air of cooling grid 12 enhancement shell 1, the circulation of air of heating panel 42 both sides is strengthened to louvre 422, make cooling fin group 421 dispel the heat fast, thereby dispel the heat to the inside of board that is shaded, guarantee the luminous effect of light source, avoid liquid crystal display's image effect to reduce.
Example 2
Referring to fig. 5 to 6, the present embodiment provides the following technical solutions on the basis of embodiment 1: the lateral wall of both sides about shell 1 just is located the front side of bleeder vent 11 and all is provided with draw-in groove 13, and fixed slot 14 has been seted up on the right side that just is located draw-in groove 13 on the shell 1 lateral wall, conveniently installs dust screen 6 through draw-in groove 13 and fixed slot 14.
As the preferred of this embodiment, the inside of shell 1 and the front side that is located bleeder vent 11 are equipped with dust screen 6, dust screen 6 can be dustproof in shell 1 inside, avoid dust and heating panel 42 contact, thereby make things convenient for cooling fin group 421 to dispel the heat, dust screen 6 all is provided with movable frame 61 all around, movable frame 61 and the cooperation of draw-in groove 13 joint, the right side of movable frame 61 is provided with fixed block 62, fixed block 62 and the cooperation of 14 joints of fixed slot, thereby can fix dust screen 6, the right side of fixed block 62 is provided with the bar-shaped piece, can drive fixed block 62 through the bar-shaped piece and remove, thereby it removes to drive dust screen 6, the convenience is dismantled the washing to dust screen 6, improve the dustproof effect of dust screen 6.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a board in a poor light convenient to heat dissipation, includes shell (1), its characterized in that: the front side of shell (1) is open structure, light guide plate (2) are installed to the inside of shell (1) and near front side edge, the rear side of light guide plate (2) is equipped with circuit board (3), the rear side of circuit board (3) is equipped with radiator unit (4).
2. The backlight panel for facilitating heat dissipation of claim 1, wherein: the air holes (11) distributed in an array are formed in the side walls of the left side and the right side of the shell (1) and are close to the rear side edge, and the side walls of the rear side of the shell (1) are provided with mutually symmetrical radiating grids (12).
3. The backlight panel for facilitating heat dissipation of claim 2, wherein: and a heat radiation fan (5) is arranged on the inner wall of the rear side of the shell (1) and positioned on the front side of the heat radiation grille (12).
4. The backlight panel for facilitating heat dissipation of claim 1, wherein: a plurality of LED lamp beads (31) distributed in an array are mounted on the circuit board (3).
5. The backlight panel for facilitating heat dissipation of claim 1, wherein: radiator unit (4) are including conducting strip (41) and heating panel (42), conducting strip (41) pass through bolt and circuit board (3) fixed connection, one side that just is close to heating panel (42) on conducting strip (41) is provided with heat conduction post (411) that a plurality of arrays distribute, the other end and heating panel (42) welded fastening of heat conduction post (411), be provided with the fin group (421) that a plurality of arrays distribute on heating panel (42), a plurality of evenly distributed's louvre (422) is seted up in heating panel (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122689474.XU CN216052541U (en) | 2021-11-04 | 2021-11-04 | Backlight plate convenient for heat dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122689474.XU CN216052541U (en) | 2021-11-04 | 2021-11-04 | Backlight plate convenient for heat dissipation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216052541U true CN216052541U (en) | 2022-03-15 |
Family
ID=80550841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122689474.XU Active CN216052541U (en) | 2021-11-04 | 2021-11-04 | Backlight plate convenient for heat dissipation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216052541U (en) |
-
2021
- 2021-11-04 CN CN202122689474.XU patent/CN216052541U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107589592B (en) | Heat dissipation structure for backlight module and backlight module | |
| CN216052541U (en) | Backlight plate convenient for heat dissipation | |
| CN210986854U (en) | Heat radiation structure of outdoor information issuing machine | |
| CN212749665U (en) | Big data server that heat dispersion is good | |
| CN211741771U (en) | Liquid crystal display screen with heat dissipation function | |
| CN210110201U (en) | Flat panel display device | |
| CN208607458U (en) | A kind of liquid crystal display radiator | |
| CN211656257U (en) | Liquid crystal television convenient to heat dissipation | |
| CN212846269U (en) | LED heat dissipation backlight | |
| CN219626263U (en) | Electronic ink screen that heat dissipation is good | |
| CN215376062U (en) | High-efficient radiating projecting apparatus | |
| CN216434587U (en) | High-efficient heat dissipation type liquid crystal display | |
| CN210982971U (en) | Liquid crystal display with heat dissipation and dustproof functions | |
| CN216052532U (en) | Safe type LED backlight that radiating effect is good | |
| CN211827933U (en) | High heat dissipation type display screen module | |
| CN210606442U (en) | LED display module with good heat dissipation performance | |
| CN217356601U (en) | Air-cooled heat dissipation type semiconductor lighting module | |
| CN217821500U (en) | Active display card backplate heat abstractor | |
| CN220023432U (en) | Display screen machine case convenient to installation | |
| CN217333269U (en) | Conveniently install computer control mainboard mounting structure of dismantling | |
| CN213303521U (en) | Heat radiation assembly of LED nixie tube | |
| CN210072268U (en) | Heat radiation structure of ultra-thin double-sided backlight module and ultra-thin double-sided television | |
| CN212805391U (en) | Semiconductor LED lamp heat radiation structure | |
| CN218547896U (en) | Straight following formula Mini LED display module assembly | |
| CN218998664U (en) | Graphene heating element structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |