CN216383792U - High-heat-dissipation direct type MINI-LED backlight source - Google Patents

Abstract

The utility model relates to the technical field of backlight sources, and discloses a direct type MINI-LED backlight source with high heat dissipation, which comprises a backlight plate, wherein a heat conducting plate is fixedly arranged at the lower side of the backlight plate, a fixing box is fixedly arranged at the lower side of the heat conducting plate, a wind power box is fixedly arranged at the lower side of the fixing box, a heat dissipation fan is arranged in the wind power box, and wind power can be generated by starting the heat dissipation fan, thereby the wind power box can generate wind power, the air in the three wind pipes can be driven to generate wind power, thereby accelerating the air flow in the wind pipe, transferring the heat to the heat conducting plate when the light source on the backlight plate is started to generate heat, thereby the heat can be transferred into the fixed box through the heat conducting plate, the heat on the wind pipe can be taken away by the wind force in the wind pipe, the wind pipe can absorb the heat in the fixed box, therefore, the situation that dust in the air is attached to the backlight plate to affect the use of the backlight plate due to the fact that the dust is directly blown to the backlight plate by wind power can be avoided.

Description

High-heat-dissipation direct type MINI-LED backlight source

Technical Field

The utility model relates to the technical field of backlight sources, in particular to a direct type MINI-LED backlight source with high heat dissipation.

Background

The prior publication No. CN207557617U discloses an energy-saving LED backlight module, which comprises a module main body, a mounting part, a light guide plate, a lead, a circuit board, a water-cooling tube, a water-cooling tank, a lower base, a vertical reflector, an optical component, a horizontal reflector, an optical cavity, an aluminum film, a partition plate, an LED lamp set and a side wall, wherein the mounting part is arranged around the module main body, the light guide plate is embedded and installed at one side of the mounting part, the light guide plate consists of a scattering film, a brightness enhancement film, an anti-fog film and a shading sheet, the scattering film is installed at the bottom of the light guide plate, the brightness enhancement film is installed at the top of the scattering film, the brightness enhancement film is connected with the shading sheet through the anti-fog film, the vertical reflector is installed at the bottom of the light guide plate, the vertical reflector is embedded and installed on the circuit board, the optical component is installed at one side of the vertical reflector, and the backlight module has the functions of water-cooling protection, energy conservation and convenient disassembly, the practicability of the use is improved.

Although can have the water-cooling protection, energy-conserving and convenient function of dismantling has promoted the practicality of using, but use water-cooling to take place unexpected seepage when cooling off and will lead to the electronic component to take place the short circuit and damage, if use wind-force directly to blow the dust in the heat dissipation heat capacity portable air and attached to the influence on the backlight and use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the direct type MINI-LED backlight source with high heat dissipation, which has the advantages that the situation that dust in the air is attached to the backlight plate to influence the use of the backlight plate due to the fact that the backlight plate is directly blown by wind power is avoided, and the problem that electronic components are short-circuited and damaged due to accidental leakage when cooling is carried out by using water cooling, and the problem that the dust in the air is attached to the backlight source to influence the use if the heat dissipation is directly blown by the wind power.

(II) technical scheme

In order to achieve the purpose that the dust in the air is attached to the backlight plate to influence the use of the backlight plate because the dust is directly blown to the backlight plate by wind power, the utility model provides the following technical scheme: the utility model provides a straight following formula MINI-LED backlight of high heat dissipation, includes the board that is shaded, and the downside fixed mounting of board that is shaded has the heat-conducting plate, and the downside fixed mounting of heat-conducting plate has fixed box, and the downside fixed mounting of fixed box has a wind-force box, installs the heat dissipation fan in the wind-force box, and three wind-force pipe of the back lateral wall fixedly connected with of wind-force box, three wind-force pipe all fixed run through fixed box two walls about.

Preferably, the three wind tubes are fixedly provided with a filter plate at one end far away from the wind box.

Preferably, three wind tubes are fixedly sleeved with heat-conducting blocks, and the lower sides of the heat-conducting blocks are fixedly connected with the lower inner walls of the fixed boxes.

Preferably, four through grooves are formed in the heat conduction plate, four connecting grooves are formed in the upper side of the heat conduction plate, and the four connecting grooves are communicated with the four through grooves respectively.

Preferably, it is three equal activity runs through there are two rotary rods on the wind-force pipe, and the equal fixed mounting in both ends has the fly leaf around six rotatory rotary rods, and equal fixed mounting has the rotor plate on six rotary rods, and six rotor plates set up respectively in three wind-force pipe.

(III) advantageous effects

Compared with the prior art, the utility model provides a high-heat-dissipation direct type MINI-LED backlight source, which has the following beneficial effects:

1. this straight following formula MINI-LED backlight of high heat dissipation, just can produce wind-force through starting the heat dissipation fan, thereby can make wind-force box produce wind-force, just so can drive the intraductal air production wind-force of three wind-force, thereby can accelerate the intraductal air flow of wind-force, light source when on the board of being shaded starts to produce the heat and will transmit the heat to the heat-conducting plate, thereby can transmit the heat to the fixed box in through the heat-conducting plate, thereby the intraductal wind-force of wind-force just can take away the heat on the wind-force pipe, the wind-force pipe just can absorb the heat in the fixed box like this, thereby can avoid directly blowing to the board of being shaded with wind-force and leading to the dust in the air to adhere to on the board of being shaded and influence the board and use.

2. This straight following formula MINI-LED backlight of high heat dissipation avoids the great impurity of volume to be inhaled and blocks up the wind pipe influence in the wind pipe and use through the filter, can increase thermal transmission speed through the heat conduction piece simultaneously, can improve the stability of three wind pipe simultaneously.

3. This straight following formula MINI-LED backlight of high heat dissipation can make the heat that the board of being shaded gived off directly get into in the fixed box through four logical grooves and four spread grooves, and the air flow in three wind-force pipe will drive six rotary rods rotation respectively through six rotor plates to can drive twelve fly leaf rotations respectively, just so can drive the air production in the fixed box and flow, thereby can accelerate the air in the fixed box and three wind-force pipe contact and dispel the heat, just so can further improve device's radiating effect.

Drawings

FIG. 1 is a schematic front perspective view of the present invention;

FIG. 2 is a schematic front sectional perspective view of the present invention;

FIG. 3 is a schematic perspective view of the thermal conductive plate of FIG. 1 according to the present invention;

fig. 4 is a schematic sectional perspective view of the wind tube of fig. 2 according to the present invention.

In the figure: 1. a backlight plate; 2. a heat dissipation fan; 3. a wind box; 4. a filter plate; 5. a wind pipe; 6. a heat conducting plate; 7. a fixing box; 8. a through groove; 9. connecting grooves; 10. a movable plate; 11. rotating the rod; 12. a rotating plate; 13. a heat conducting block.

Detailed Description

The present invention will be described in further detail with reference to the drawings, wherein like elements are designated by like reference numerals, wherein the terms "front", "rear", "left", "right", "upper" and "lower", "bottom" and "top" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular element.

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.

Example one

Referring to fig. 1-4, the present invention provides a technical solution: a high heat dissipation direct type MINI-LED backlight source comprises a backlight plate 1, a heat conducting plate 6 is fixedly installed at the lower side of the backlight plate 1, a fixing box 7 is fixedly installed at the lower side of the heat conducting plate 6, a wind power box 3 is fixedly installed at the lower side of the fixing box 7, a heat dissipation fan 2 is installed in the wind power box 3, three wind power tubes 5 are fixedly connected with the rear side wall of the wind power box 3, the three wind power tubes 5 fixedly penetrate through the left wall and the right wall of the fixing box 7, wind power can be generated by starting the heat dissipation fan 2, the wind power box 3 can generate wind power, air in the three wind power tubes 5 can be driven to generate wind power, air flowing in the wind power tubes 5 can be accelerated, when a light source on the backlight plate 1 is started to generate heat, the heat can be transferred to the heat conducting plate 6, the heat can be transferred to the fixing box 7 through the heat conducting plate 6, and the wind power in the wind power tubes 5 can carry the heat on the wind power tubes 5, wind pipe 5 just can absorb the heat in the fixed box 7 like this, thereby can avoid directly blowing to the dust that leads to in the air with wind-force on the board 1 that is shaded and influence the board 1 use on the board 1 that is shaded, the equal fixed mounting of one end that three wind pipe 5 kept away from wind-force box 3 has filter 4, fixed cover has connect heat conduction piece 13 on three wind pipe 5, inner wall fixed connection under heat conduction piece 13 downside and the fixed box 7, avoid the great impurity of volume to be inhaled in wind pipe 5 through filter 4 and block up wind pipe 5 and influence the use, can increase thermal transmission speed through heat conduction piece 13 simultaneously, can improve the stability of three wind pipe 5 simultaneously.

In use, the first step: just can produce wind-force through starting heat dissipation fan 2, thereby can make wind-force box 3 produce wind-force, just so can drive the air production wind-force in the three wind pipe 5, thereby the air in the wind pipe 5 can be accelerated to flow, light source start-up when the board 1 that is shaded will be with heat transfer to heat-conducting plate 6 on, thereby can be through heat-conducting plate 6 with heat transfer to fixed box 7 in, thereby wind-force in the wind pipe 5 just can take away the heat on the wind pipe 5, wind pipe 5 just can absorb the heat in the fixed box 7 like this, thereby can avoid directly blowing the dust that leads to in the air to the board 1 that is shaded with wind-force to adhere to on board 1 and influence board 1 that is shaded and use.

The second step is that: avoid the great impurity of volume to be inhaled and block up wind pipe 5 influence in the wind pipe 5 through filter 4 and use, can increase thermal transmission speed through heat conduction piece 13 simultaneously, can improve the stability of three wind pipe 5 simultaneously.

Example two

Referring to fig. 1-4 on the basis of the first embodiment, four through slots 8 are formed on a heat conducting plate 6, four connecting slots 9 are formed on the upper side of the heat conducting plate 6, the four connecting slots 9 are respectively communicated with the four through slots 8, two rotating rods 11 are movably penetrated through three air tubes 5, movable plates 10 are fixedly mounted at the front and rear ends of the six rotating rods 11, rotating plates 12 are fixedly mounted on the six rotating rods 11, the six rotating plates 12 are respectively arranged in the three air tubes 5, heat dissipated by the backlight plate 1 can directly enter the fixed box 7 through the four through slots 8 and the four connecting slots 9, when air in the three air tubes 5 flows, the six rotating rods 11 are respectively driven to rotate through the six rotating plates 12, so that the twelve movable plates 10 can be respectively driven to rotate, and thus air in the fixed box 7 can be driven to flow, therefore, the contact between the air in the fixing box 7 and the three air pipes 5 can be accelerated to dissipate heat, and the heat dissipation effect of the device can be further improved.

When using, can make the heat that board 1 that is shaded from the sun distribute directly get into fixed box 7 through four logical groove 8 and four spread groove 9, air flow in three wind tube 5 will drive six rotary rods 11 rotations respectively through six rotor plates 12 to can drive twelve fly leaf 10 rotations respectively, just so can drive the air production in the fixed box 7 and flow, thereby can accelerate the air in the fixed box 7 and dispel the heat with the contact of three wind tube 5, just so can further improve device's radiating effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a straight following formula MINI-LED backlight of high heat dissipation, includes board (1) in a poor light, its characterized in that: the utility model discloses a wind power generation device, including backlight board (1), heat-conducting plate (6) are fixed to the downside fixed mounting of backlight board (1), and the downside fixed mounting of heat-conducting plate (6) has fixed box (7), and the downside fixed mounting of fixed box (7) has wind-force box (3), installs heat dissipation fan (2) in wind-force box (3), and three wind pipe (5) of the back lateral wall fixedly connected with of wind-force box (3), two walls about fixed box (7) are all fixed to run through in three wind pipe (5).

2. The direct type MINI-LED backlight source with high heat dissipation of claim 1, wherein: and a filter plate (4) is fixedly arranged at one end of each of the three wind pipes (5) far away from the wind box (3).

3. The direct type MINI-LED backlight source with high heat dissipation of claim 1, wherein: three fixed cover has connect heat conduction piece (13) on wind tube (5), and heat conduction piece (13) downside and fixed box (7) lower inner wall fixed connection.

4. The direct type MINI-LED backlight source with high heat dissipation of claim 1, wherein: four through grooves (8) are formed in the heat conduction plate (6), four connecting grooves (9) are formed in the upper side of the heat conduction plate (6), and the four connecting grooves (9) are communicated with the four through grooves (8) respectively.

5. The direct type MINI-LED backlight source with high heat dissipation of claim 1, wherein: it is three equal activity runs through on wind pipe (5) has two rotary rods (11), and the equal fixed mounting in both ends has fly leaf (10) around six rotary rod (11), and equal fixed mounting has rotor plate (12) on six rotary rod (11), and six rotor plates (12) set up respectively in three wind pipe (5).

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