CN220569046U - Mini-LED backlight source - Google Patents
Mini-LED backlight source Download PDFInfo
- Publication number
- CN220569046U CN220569046U CN202322329003.7U CN202322329003U CN220569046U CN 220569046 U CN220569046 U CN 220569046U CN 202322329003 U CN202322329003 U CN 202322329003U CN 220569046 U CN220569046 U CN 220569046U
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- Prior art keywords
- plate
- mini
- heat
- backlight
- pipeline
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- 238000009423 ventilation Methods 0.000 claims abstract description 11
- 238000004378 air conditioning Methods 0.000 claims 1
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model provides a Mini-LED backlight, including the back light plate, one side of back light plate is provided with the heat-conducting plate, the both sides of heat-conducting plate are provided with first fixed plate respectively, first guide way has been seted up on the first fixed plate, correspond respectively on the both sides wall of back light plate and be provided with first guide block, first guide block is installed into first guide way by the open end of first guide way, the open end of first guide way is provided with the spacing subassembly that is used for carrying out the location to first guide block, the bottom of heat-conducting plate distributes and has fixed boss, be provided with the ventilation hole on the fixed boss, the air passes through the ventilation hole and dispels the heat to the heat-conducting plate. The utility model is beneficial to improving the heat dissipation effect of the backlight source.
Description
Technical Field
The utility model relates to the technical field of backlight sources, in particular to a Mini-LED backlight source.
Background
LED backlights and Mini-LED backlights are widely used as an important component of liquid crystal display devices,
the prior publication No. CN 216383792U discloses a direct type Mini-LED backlight source with high heat dissipation, which is characterized in that a heat dissipation fan is started to generate wind power to drive air in three wind power pipes to generate wind power so as to accelerate the air flow in the wind power pipes, when a light source on a backlight plate is started to generate heat to be transferred to a heat conduction plate, the heat conduction plate is used for transferring the heat to a fixed box, and finally the wind power in the wind power pipes is used for carrying the heat on the wind power pipes, so that the wind power pipes can absorb the heat in the fixed box; although the use of the backlight plate is prevented from being influenced by dust in the air being attached to the backlight plate due to the fact that the dust is directly blown to the backlight plate by wind power, the heat of the backlight plate is required to be transferred into the fixed box to be taken away from the wind power in the wind power pipe, and the heat dissipation effect is reduced; in addition, after the backlight plate is fixedly connected with the heat conducting plate, the disassembly is troublesome, and the maintenance is inconvenient.
Disclosure of Invention
The utility model aims to provide a Mini-LED backlight source which can effectively solve the technical problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a Mini-LED backlight, includes the backlight, one side of backlight is provided with the heat-conducting plate, the both sides of heat-conducting plate are provided with first fixed plate respectively, first guide way has been seted up on the first fixed plate, correspond respectively on the both sides wall of backlight to be provided with first guide block, first guide block by the open end of first guide way installs into first guide way in, the open end of first guide way is provided with and is used for right the spacing subassembly that first guide block was fixed a position, the bottom distribution of heat-conducting plate has fixed boss, be provided with the ventilation hole on the fixed boss, the air passes through the ventilation hole and right the heat-conducting plate dispels the heat.
Preferably, the ventilation holes are distributed at the bottom of the heat conductive plate at a linear equidistant interval.
Preferably, the air conditioner comprises a first pipeline, a second pipeline and an exhaust fan, wherein the first pipeline is communicated with the ventilation hole, the first pipeline is communicated with the second pipeline, and one end of the second pipeline is connected with the exhaust fan.
Preferably, the exhaust fan is mounted to the heat-conducting plate by a mounting bracket.
Preferably, the outer side wall of the backlight plate is attached to the first fixing plate.
Preferably, the first guide groove is a rectangular groove.
Preferably, the limiting assembly comprises a positioning bolt, a first screw hole and a second screw hole are respectively formed in the upper end face and the lower end face of the first guide groove, and one end of the positioning bolt sequentially penetrates through the second screw hole and the first screw hole.
Preferably, the positioning bolt located in the first guide groove abuts against the first guide block.
Compared with the prior art, the utility model has the beneficial effects that:
after the light source on the backlight plate is started, the generated heat can be transferred to the heat conducting plate, and the heat on the heat conducting plate can be directly taken away by the air continuously passing through the vent holes, so that the heat dissipation effect is improved; a plurality of ventilation holes can be distributed at the bottom of the heat conducting plate to meet the heat dissipation requirement; after the exhaust fan is started, air enters the first pipeline from the second pipeline and then enters each vent hole from the first pipeline, so that heat dissipation of the heat conducting plate is realized; when the backlight plate and the heat conducting plate are installed, only the first guide blocks on the two side walls of the backlight plate are required to be installed in the first guide grooves, and the first guide blocks are limited by the positioning bolts, so that the assembly and the disassembly are convenient.
Drawings
FIG. 1 is a first view of a Mini-LED backlight according to an embodiment of the present utility model;
FIG. 2 is a second view of a Mini-LED backlight according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a heat conducting plate according to an embodiment of the present utility model;
FIG. 4 is an enlarged partial schematic view of FIG. 2A;
in the figure, 1, a backlight plate, 2, a heat conducting plate, 3, a first fixing plate, 4, a first guide groove, 5, a first guide block, 6, a fixing boss, 7, a vent hole, 8, a first pipeline, 9, a second pipeline, 10, an exhaust fan, 11, a mounting bracket, 12, a positioning bolt, 13, a first screw hole, 14 and a second screw hole.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, a Mini-LED backlight source includes a backlight plate 1, a heat conducting plate 2 is disposed on one side of the backlight plate 1, first fixing plates 3 are disposed on two sides of the heat conducting plate 2, first guide grooves 4 are disposed on the first fixing plates 3, first guide blocks 5 are disposed on two side walls of the backlight plate 1, the first guide blocks 5 are mounted into the first guide grooves 4 from opening ends of the first guide grooves 4, limiting components for positioning the first guide blocks 5 are disposed at opening ends of the first guide grooves 4, fixing bosses 6 are distributed at bottoms of the heat conducting plate 2, vent holes 7 are disposed on the fixing bosses 6, and air passes through the vent holes 7 and dissipates heat of the heat conducting plate 2;
the backlight plate 1 and the heat conducting plate 2 are convenient to assemble and disassemble, and only the first guide blocks 5 on the two side walls of the backlight plate 1 are required to be installed in the first guide grooves 4, and then the first guide blocks 5 are positioned through the limiting assembly; the air passing through the vent holes 7 directly dissipates heat of the heat conducting plate 2, which is beneficial to promoting the heat dissipation effect;
the ventilation holes 7 are distributed at the bottom of the heat-conducting plate 2 at equal intervals in a linear way;
the air conditioner comprises a first pipeline 8, a second pipeline 9 and an exhaust fan 10, wherein the first pipeline 8 is communicated with the ventilation hole 7, the first pipeline 8 is communicated with the second pipeline 9, and one end of the second pipeline 9 is connected with the exhaust fan 10;
after the exhaust fan 10 is started, cooling air respectively enters each vent hole 7 after passing through the second pipeline 9 and the first pipeline 8, and heat generated by a light source on the backlight plate is accelerated to be emitted;
the exhaust fan 10 is mounted on the heat-conducting plate 2 through a mounting bracket 11;
the outer side wall of the backlight plate 1 is attached to the first fixing plate 3;
the first guide groove 4 is a rectangular groove;
the limiting assembly comprises a positioning bolt 12, a first screw hole 13 and a second screw hole 14 are respectively formed in the upper end face and the lower end face of the first guide groove 4, and one end of the positioning bolt 12 sequentially penetrates through the second screw hole 14 and the first screw hole 13;
the positioning bolt 12 positioned in the first guide groove 12 is abutted against the first guide block 5;
after the first guide block 5 is installed into the first guide groove 4 from the opening end of the first guide groove 4, the positioning bolt 12 is abutted against the first guide block 5, and then the first guide block 5 can be positioned in the first guide groove 4.
After the light source on the backlight plate 1 is started, the generated heat can be transferred to the heat conducting plate 2, and the heat on the heat conducting plate 2 can be directly taken away by the air continuously passing through the vent holes 7, so that the heat dissipation effect can be improved; a plurality of ventilation holes 7 can be distributed at the bottom of the heat conducting plate 2 to meet the heat dissipation requirement; after the exhaust fan 10 is started, air enters the first pipeline 8 through the second pipeline 9 and then enters each vent hole 7 through the first pipeline 8, so that heat dissipation of the heat conducting plate 2 is realized; when the backlight plate 1 and the heat-conducting plate 2 are installed, only the first guide blocks 5 on the two side walls of the backlight plate 1 are installed in the first guide grooves 4, and the first guide blocks 5 are limited by the positioning bolts 12, so that the assembly and the disassembly are convenient.
The foregoing is merely illustrative and explanatory of the utility model, as it is well within the scope of the utility model, as it is intended to provide those skilled in the art with various modifications, additions and substitutions to the specific embodiments disclosed and those skilled in the art without departing from the scope of the utility model as disclosed in the accompanying claims.
Claims (8)
1. The Mini-LED backlight source comprises a backlight plate, wherein one side of the backlight plate is provided with a heat conducting plate, and the Mini-LED backlight source is characterized in that: the heat conducting plate is characterized in that first fixing plates are arranged on two sides of the heat conducting plate respectively, first guide grooves are formed in the first fixing plates, first guide blocks are correspondingly arranged on two side walls of the backlight plate respectively, the first guide blocks are arranged in the first guide grooves through opening ends of the first guide grooves, limiting assemblies used for positioning the first guide blocks are arranged at opening ends of the first guide grooves, fixing bosses are distributed at the bottoms of the heat conducting plates, vent holes are formed in the fixing bosses, and air passes through the vent holes and dissipates heat of the heat conducting plate.
2. The Mini-LED backlight of claim 1, wherein: the ventilation holes are distributed at the bottom of the heat conducting plate at equal intervals in a linear mode.
3. The Mini-LED backlight of claim 1, wherein: the air-conditioning device comprises a first pipeline, a second pipeline and an exhaust fan, wherein the first pipeline is communicated with the vent hole, the first pipeline is communicated with the second pipeline, and one end of the second pipeline is connected with the exhaust fan.
4. A Mini-LED backlight as in claim 3, wherein: the exhaust fan is mounted on the heat conducting plate through a mounting bracket.
5. The Mini-LED backlight of claim 1, wherein: the outer side wall of the backlight plate is attached to the first fixing plate.
6. The Mini-LED backlight of claim 1, wherein: the first guide groove is a rectangular groove.
7. The Mini-LED backlight of claim 1, wherein: the limiting assembly comprises a positioning bolt, a first screw hole and a second screw hole are respectively formed in the upper end face and the lower end face of the first guide groove, and one end of the positioning bolt sequentially penetrates through the second screw hole and the first screw hole.
8. The Mini-LED backlight of claim 7, wherein: the positioning bolt positioned in the first guide groove is abutted against the first guide block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322329003.7U CN220569046U (en) | 2023-08-29 | 2023-08-29 | Mini-LED backlight source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322329003.7U CN220569046U (en) | 2023-08-29 | 2023-08-29 | Mini-LED backlight source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220569046U true CN220569046U (en) | 2024-03-08 |
Family
ID=90096644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322329003.7U Active CN220569046U (en) | 2023-08-29 | 2023-08-29 | Mini-LED backlight source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220569046U (en) |
-
2023
- 2023-08-29 CN CN202322329003.7U patent/CN220569046U/en active Active
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| GR01 | Patent grant |