CN210720958U

CN210720958U - LED display screen backlight heat radiation structure

Info

Publication number: CN210720958U
Application number: CN201922161459.0U
Authority: CN
Inventors: 李健权; 张培祖; 刘文焕; 周谋兴; 杨荣辉; 李化
Original assignee: Shenzhen Jialude Photoelectric Technology Co Ltd
Current assignee: Shenzhen Jialude Photoelectric Technology Co Ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-06-09
Anticipated expiration: 2029-12-05

Abstract

The utility model discloses a LED display screen backlight heat radiation structure, including fixed pressing plate, fixed pressing plate's outside fixed mounting has the clamp plate mount, the inboard fixed mounting of clamp plate mount has the connecting screw, the rear surface fixed mounting of clamp plate mount has the backlight backplate, fixed pressing plate's inboard fixed mounting has two heat conduction copper pipes, heat conduction copper pipe's internal surface fixed mounting has a plurality of heat conduction fins, the one end fixed mounting that fixed pressing plate was kept away from to the heat conduction copper pipe has the cold board of arranging of heat dissipation. A LED display screen backlight heat radiation structure, can replace the heat that traditional heat conduction paster piles up to derive transmission structure, make the more quick receipt and the transmission of heat, improve the effect of heat transfer to carry out quick heat dissipation, can be when the heat dispels the heat, initiatively produce wind-force and blow the cooling to the heat of transmission, quick realization heat gives off, improves the refrigerated effect of heat dissipation.

Description

LED display screen backlight heat radiation structure

Technical Field

The utility model relates to a heat radiation structure field, in particular to LED display screen backlight heat radiation structure.

Background

The LED display screen backlight source heat dissipation structure is used for dissipating heat and cooling the LED display screen backlight source, the LED display screen backlight source is a part of the liquid crystal panel, the liquid crystal panel can not emit light actively, the backlight can be used for displaying and emitting light, therefore, the LED display backlight is widely used in various electronic display devices to provide light source for the liquid crystal panel, the backlight source of the LED display screen generates high temperature when being electrified, so the heat dissipation structure of the backlight source of the LED display screen is required to conduct and dissipate the heat of the high temperature, the backlight source of the LED display screen can stably work and operate, and the heat dissipation structure of the backlight source of the LED display screen is greatly used along with the increase of the use demand of the backlight source of the LED display screen, however, the existing LED display screen backlight heat dissipation structure cannot meet the use requirement, so that an LED display screen backlight heat dissipation structure with more excellent heat dissipation and cooling effects is required; when LED display screen backlight heat radiation structure used, only stacking through the heat conduction paster usually connects, makes the heat derive, has reduced the effect of heat contact and transmission to can't carry out quick heat dissipation, secondly, the unable initiative production wind-force of traditional heat radiation structure cools off, only can dispel the heat through the contact of air, has resulted in the heat dissipation to give off slowly, thereby has resulted in the heat dissipation cooling effect poor.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a LED display screen backlight source heat dissipation structure, which can effectively solve the problem of reducing the effect of heat contact and transmission in the background art, and can not actively generate wind power to cool.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a LED display screen backlight heat radiation structure, includes fixed pressing plate, fixed pressing plate's outside fixed mounting has the clamp plate mount, the inboard fixed mounting of clamp plate mount has the connecting screw, the back fixed surface of clamp plate mount installs the backlight backplate, fixed pressing plate's inboard fixed mounting has two heat conduction copper pipes, heat conduction copper pipe's internal fixed surface installs a plurality of heat conduction fins, heat conduction copper pipe keeps away from fixed pressing plate's one end fixed mounting has the cold row board of heat dissipation, the preceding fixed surface of the cold row board of heat dissipation installs a plurality of heat dissipation fins, heat dissipation fins's preceding fixed surface installs two fan fixed boxes, cold dish radiator fan is installed in the inboard rotation of the fan fixed box, the rear surface of heat conduction copper pipe is located the rear position fixed mounting of fixed pressing plate and has the plane heat-conducting plate.

Preferably, the heat dissipation cold row plate is located at one side of the backlight source back plate, and the heat conduction copper pipe penetrates through the heat dissipation cold row plate.

Preferably, the connecting screw penetrates through the pressing plate fixing frame and is in threaded connection with the backlight source back plate, and the pressing plate fixing frame and the plane heat conducting plate are arranged in parallel.

Preferably, the heat conducting fins are fixedly connected with the heat conducting copper pipe through integral forming, and the heat conducting fins are arranged around the circle center of the heat conducting copper pipe.

Preferably, the fixed pressing plate is located in front of the backlight backboard, and the planar heat conducting plate is attached to and connected with the front surface of the backlight backboard.

Preferably, the heat dissipation fins and the heat dissipation cold row plate are both designed to be made of aluminum alloy materials, and the cold plate heat dissipation fan is located in front of the heat dissipation fins.

Compared with the prior art, the utility model discloses following beneficial effect has: this LED display screen backlight heat radiation structure, heat conduction copper pipe through setting up, heat conduction fins and, design through heat conduction copper pipe, can replace the heat derivation transmission structure that traditional heat conduction paster piled up, make the more quick receipt and the transmission of going on of heat, improve the effect of heat transfer, thereby carry out quick heat dissipation, cold row board through the heat dissipation that sets up, heat radiation fins, the fixed box of fan and cold dish radiator fan, can be when the heat dispels the heat, the cooling of blowing is carried out to the heat of transmission to the initiative wind-force that produces, quick realization heat gives off, improve the refrigerated effect of dispelling the heat.

Drawings

Fig. 1 is a schematic view of an overall structure of a heat dissipation structure of a backlight source of an LED display panel according to the present invention;

fig. 2 is a side view of a heat dissipation cold row plate and a heat dissipation cold row plate of a backlight source heat dissipation structure of an LED display screen of the present invention;

fig. 3 is a side profile of the fixing pressing plate and the heat conducting copper tube of the heat dissipation structure of the backlight source of the LED display screen of the present invention.

In the figure: 1. fixing the pressing plate; 2. a pressure plate fixing frame; 3. a connecting screw; 4. a backlight backplane; 5. a heat conducting copper pipe; 6. heat-conducting fins; 7. a heat dissipation cold row plate; 8. heat dissipation fins; 9. a fan fixing box; 10. a cold plate heat dissipation fan; 11. a planar heat conducting plate.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, a heat dissipation structure of a backlight source of an LED display screen comprises a fixed pressing plate 1, a pressing plate fixing frame 2 is fixedly arranged on the outer side of the fixed pressing plate 1, a connecting screw 3 is fixedly arranged on the inner side of the pressing plate fixing frame 2, a backlight source back plate 4 is fixedly arranged on the rear surface of the pressing plate fixing frame 2, two heat conduction copper pipes 5 are fixedly arranged on the inner side of the fixing pressing plate 1, a plurality of heat conducting fins 6 are fixedly arranged on the inner surface of the heat conducting copper pipe 5, a heat radiating cold discharging plate 7 is fixedly arranged at one end of the heat conducting copper pipe 5 far away from the fixed pressing plate 1, a plurality of radiating fins 8 are fixedly arranged on the front surface of the radiating cold discharging plate 7, two fan fixing boxes 9 are fixedly arranged on the front surfaces of the radiating fins 8, a cold plate radiating fan 10 is rotatably mounted on the inner side of the fan fixing box 9, and a plane heat conducting plate 11 is fixedly mounted on the rear surface of the heat conducting copper pipe 5 at the rear position of the fixing pressing plate 1;

the heat dissipation cold row plate 7 is positioned at one side of the backlight source back plate 4, and the heat conduction copper pipe 5 penetrates into the heat dissipation cold row plate 7; the connecting screw 3 penetrates through the pressing plate fixing frame 2 and is in threaded connection with the backlight source back plate 4, and the pressing plate fixing frame 2 and the plane heat conducting plate 11 are arranged in parallel; the heat conducting fins 6 are fixedly connected with the heat conducting copper pipe 5 through integral forming, and the heat conducting fins 6 are arranged around the circle center of the heat conducting copper pipe 5; the fixed pressing plate 1 is positioned in front of the backlight source backboard 4, and the plane heat-conducting plate 11 is attached to and connected with the front surface of the backlight source backboard 4; the radiating fins 8 and the radiating cold row plate 7 are both designed by an aluminum alloy material, and the cold plate radiating fan 10 is positioned in front of the radiating fins 8.

It should be noted that, the utility model relates to a LED display screen backlight source heat dissipation structure, when using, connect the backlight source backboard 4 through the pressing plate fixing frame 2 and the connecting screw 3, connect and install the heat dissipation structure, the pressing plate fixing frame 2 compresses the fixed pressing plate 1 after connecting, the fixed pressing plate 1 compresses the heat conduction copper pipe 5 and the plane heat conduction plate 11 to be connected with the backlight source backboard 4 in a fitting manner, when the backlight source backboard 4 generates heat, the heat is transferred to the plane heat conduction plate 11 of copper material, the plane heat conduction plate 11 transfers the heat to the heat dissipation cold exhaust plate 7 through the two heat conduction copper pipes 5, the heat dissipation cold exhaust plate 7 increases the air contact area through the plurality of heat dissipation fins 8 on the surface to dissipate the heat, thereby dissipating the heat, when the heat conduction copper pipe 5 transfers the heat, the heat conduction copper pipe 5 cooperates with the plurality of heat conduction fins 6 inside through the structure of its own copper material, make quick transmission of heat to heat dissipation cold row board 7, when dispelling the heat through cooling fin 8, two fan fixing box 9 above cooling fin 8 can the switch on make inside cold dish cooling fan 10 rotate, and rotation through cold dish cooling fan 10 produces wind-force, and wind-force blows to cooling fin 8, and the heat of transmission is bloied and is cooled down on cooling fin 8, and quick realization heat gives off, improves the radiating effect.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a LED display screen backlight heat radiation structure which characterized in that: the LED backlight module comprises a fixed pressing plate (1), wherein a pressing plate fixing frame (2) is fixedly arranged on the outer side of the fixed pressing plate (1), a connecting screw (3) is fixedly arranged on the inner side of the pressing plate fixing frame (2), a backlight source backboard (4) is fixedly arranged on the rear surface of the pressing plate fixing frame (2), two heat conduction copper pipes (5) are fixedly arranged on the inner side of the fixed pressing plate (1), a plurality of heat conduction fins (6) are fixedly arranged on the inner surface of each heat conduction copper pipe (5), a heat dissipation cold row plate (7) is fixedly arranged at one end, far away from the fixed pressing plate (1), of each heat conduction copper pipe (5), a plurality of heat dissipation fins (8) are fixedly arranged on the front surface of the heat dissipation cold row plate (7), two fan fixing boxes (9) are fixedly arranged on the front surface of each heat dissipation fin (8), and a cold plate heat, the rear surface of the heat conduction copper pipe (5) is fixedly provided with a plane heat conduction plate (11) at the rear position of the fixed pressing plate (1).

2. The LED display screen backlight source heat dissipation structure of claim 1, wherein: the heat dissipation cold row plate (7) is located on one side of the backlight source back plate (4), and the heat conduction copper pipe (5) penetrates through the interior of the heat dissipation cold row plate (7).

3. The LED display screen backlight source heat dissipation structure of claim 1, wherein: the connecting screw (3) penetrates through the pressing plate fixing frame (2) to be in threaded connection with the backlight source back plate (4), and the pressing plate fixing frame (2) and the plane heat-conducting plate (11) are arranged in parallel.

4. The LED display screen backlight source heat dissipation structure of claim 1, wherein: the heat conduction fins (6) are fixedly connected with the heat conduction copper pipe (5) through integral forming, and the heat conduction fins (6) are arranged around the circle center of the heat conduction copper pipe (5).

5. The LED display screen backlight source heat dissipation structure of claim 1, wherein: the fixed pressing plate (1) is located in the front of the backlight backboard (4), and the plane heat-conducting plate (11) is attached to and connected with the front surface of the backlight backboard (4).

6. The LED display screen backlight source heat dissipation structure of claim 1, wherein: the radiating fins (8) and the radiating cold discharging plate (7) are both designed by an aluminum alloy material, and the cold plate radiating fan (10) is positioned in the front of the radiating fins (8).