CN219302822U

CN219302822U - High heat dissipation liquid crystal display

Info

Publication number: CN219302822U
Application number: CN202320863955.4U
Authority: CN
Inventors: 柯家武; 罗志彬; 罗立瑞
Original assignee: Shenzhen Jiayixin Technology Co ltd
Current assignee: Shenzhen Jiayixin Technology Co ltd
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2023-07-04
Anticipated expiration: 2033-04-10

Abstract

The utility model discloses a high-heat-dissipation liquid crystal display. The display screen comprises a screen frame, a liquid crystal display assembly, a circuit board, a cover plate, a plurality of groups of heat transfer fins and a heat dissipation structure. The heat dissipation structure comprises a housing surrounding the heat transfer fins, a base plate arranged on the housing, a fan fixedly penetrating through the base plate through a bracket, a convection groove penetrating through the housing wall of the housing, and a water curtain component fixedly arranged at the position of the base plate facing the heat transfer fins. The water curtain component comprises a sponge cushion layer which is arranged to cover the convection groove, a drainage channel which is arranged in the sponge cushion layer, and a water inlet which is arranged on the sponge cushion layer and is communicated with the top end of the drainage channel. According to the utility model, the water curtain is established at the blowing surface of the fan, so that wind power acting on the heat transfer fins is cold air, and heat convection exchange is realized by combining the heat conduction effect of the heat transfer fins, thereby achieving the effect of rapid heat dissipation.

Description

High heat dissipation liquid crystal display

Technical Field

The utility model relates to the field of display screens, in particular to a high-heat-dissipation liquid crystal display screen.

Background

The liquid crystal display screen is a flat panel display, which is composed of small liquid crystal module panels, the liquid crystal module panels use liquid crystal solution in two pieces of polarized materials, when current passes through the liquid, crystals can be rearranged to achieve the effect of displaying various information such as characters, images, videos and video signals, and the like, and the liquid crystal display screen has the advantages of low power consumption, small volume and low radiation, and is widely applied to screen display of televisions and computers.

The utility model patent with 202020335072.2 is a high-efficiency heat-dissipation liquid crystal display, which comprises a liquid crystal display, a display rear shell, a heat dissipation plate, heat dissipation fins, a heat dissipation copper pipe, a heat dissipation shell, a water tank, a water pump, a heat exchanger and a heat dissipation fan. The heat generated by the display screen is discharged rapidly and effectively through circulating cooling liquid in the heat dissipation copper pipe, so that the heat dissipation effect is accelerated.

However, the technical solutions of the above patent have the following drawbacks in practical use: the heat dissipation casing is carried on the liquid crystal display together with the water tank, the water pump and the heat exchanger in the heat dissipation casing, so that the whole weight of the display is heavier, the space is occupied structurally, in addition, when heat contacts a heat dissipation copper pipe with low surface temperature, water vapor is separated out and attached to the surface of the heat dissipation copper pipe, the back part of the display is affected with damp, the water seepage problem is easily caused, and the maintenance is inconvenient.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a high heat dissipation liquid crystal display for rapid heat dissipation.

A high heat dissipation liquid crystal display screen comprises a screen frame, a liquid crystal display assembly, a circuit board fixedly arranged on the back surface of the liquid crystal display assembly and a cover plate for closing the circuit board;

the display screen further includes:

a plurality of groups of heat transfer fins fixedly mounted on the cover plate; and

the heat dissipation structure comprises a housing surrounding the heat transfer fins, a base plate arranged on the housing, a fan fixedly penetrating through the base plate through a bracket, a convection groove penetrating through the housing wall of the housing, and a water curtain component fixedly arranged at the position of the base plate facing the heat transfer fins.

In one embodiment, the liquid crystal display assembly is fixedly installed in the screen frame, and comprises two groups of glass substrates and a liquid crystal layer packaged between the two groups of glass substrates; the two groups of glass substrates are arranged in parallel along the front and rear directions.

In one embodiment, the cover plate is hinged on the screen frame, and the circuit board is provided with a driving circuit.

In one embodiment, the heat transfer fins are uniformly distributed in several groups, and the heat transfer fins are disposed opposite to the circuit board.

In one embodiment, the cover is in a frame structure, and the cover is fixedly connected with the cover plate.

In one embodiment, the base plate is located behind the heat transfer fins, and the base plate is detachably connected to the housing by screws.

In one embodiment, the water curtain component comprises a sponge cushion layer, a drainage channel and a water inlet, wherein the sponge cushion layer is arranged to cover the convection groove, the drainage channel is arranged in the sponge cushion layer, and the water inlet is arranged on the sponge cushion layer and is communicated with the top end of the drainage channel.

Compared with the prior art, the utility model has the beneficial effects that: a water curtain is established at the blowing surface of the fan, so that wind force acting on the heat transfer fins is cold air, heat convection exchange is realized by combining the heat conduction effect of the heat transfer fins, and therefore, the effect of rapid heat dissipation is achieved.

Drawings

Fig. 1 is a structural diagram of a high heat dissipation liquid crystal display according to the present utility model.

Fig. 2 is an exploded view of the heat dissipating structure of fig. 1.

Description of the main reference signs

1. A screen frame; 2. a liquid crystal display assembly; 3. a circuit board; 4. a cover plate; 5. a heat transfer fin; 6. a heat dissipation structure; 61. a housing; 62. a substrate; 63. a bracket; 64. a fan; 65. a convection groove; 66. a water curtain assembly; 661. a sponge cushion layer; 662. a drainage channel; 663. and a water inlet.

The foregoing general description of the utility model will be described in further detail with reference to the drawings and detailed description.

Detailed Description

The present utility model will be described in detail with reference to the accompanying drawings.

Referring to fig. 1-2, the present embodiment provides a high heat dissipation liquid crystal display screen, which includes a screen frame 1, a liquid crystal display assembly 2, a circuit board 3 fixedly installed on the back surface of the liquid crystal display assembly 2, a cover plate 4 for sealing the circuit board 3, a plurality of groups of heat transfer fins 5 fixedly installed on the cover plate 4, and a heat dissipation structure 6 installed on the cover plate 4.

The liquid crystal display assembly 2 is fixedly installed in the screen frame 1, and the liquid crystal display assembly 2 comprises two groups of glass substrates and a liquid crystal layer packaged between the two groups of glass substrates, wherein the two groups of glass substrates are arranged in parallel along the front and rear directions. In this embodiment, the screen frame 1 and the cover plate 4 are combined to form the housing of the liquid crystal display, so as to provide the installation and protection space of the liquid crystal display assembly 2, and the display interface of the liquid crystal display is provided based on the liquid crystal display assembly 2 formed by the glass substrates and the liquid crystal layers, and when current passes through the liquid crystal layers in the two glass substrates made of polarized materials, crystals are rearranged to achieve the purpose of imaging. The cover plate 4 is hinged to the screen frame 1, and the circuit board 3 is provided with a driving circuit, and a maintenance window of the circuit board 3 is provided based on opening and closing of the cover plate 4.

The heat transfer fins 5 are uniformly distributed in a plurality of groups, and the heat transfer fins 5 are arranged back to the circuit board 3. Aiming at the problem that heat generated by the driving circuit and the display element is collected during operation to cause the liquid crystal display to generate heat after operation, the embodiment carries out rapid heat dissipation based on the heat dissipation structure 6. The heat dissipation structure 6 comprises a housing 61 arranged around the heat transfer fins 5, a base plate 62 arranged on the housing 61, a fan 64 fixedly penetrating through the base plate 62 through a bracket 63, a convection groove 65 penetrating through the housing wall of the housing 61, and a water curtain assembly 66 fixedly arranged at the position of the base plate 62 facing the heat transfer fins 5. In this embodiment, based on the fan 64 running to blow air into the housing 61, the blown air is further cooled by the water curtain assembly 66, and the heat conduction effect of the heat transfer fins 5 is combined to realize heat convection exchange, so as to achieve the effect of rapid heat dissipation, and the convection groove 65 provides an internal and external air exchange channel, and simultaneously can drain the redundant water in the water curtain assembly 66.

The cover 61 is in a frame structure, the cover 61 is fixedly connected with the cover plate 4, the base 62 is positioned behind the heat transfer fins 5, and the base 62 is detachably connected with the cover 61 through screws. The water curtain assembly 66 comprises a sponge cushion layer 661 which is arranged to cover the convection groove 65, a drainage channel 662 which is arranged in the sponge cushion layer 661, and a water inlet 663 which is arranged on the sponge cushion layer 661 and is communicated with the top end of the drainage channel 662. In this embodiment, based on the cooperation of water inlet 663 and drainage channel 662 for sponge cushion 661 fully absorbs cold water, thereby establish a cascade in the blast surface department of fan 64, make the wind-force that acts on heat transfer fin 5 be cold wind, combine the heat conduction effect of heat transfer fin 5 to realize heat convection exchange, thereby reach quick radiating effect, in the aforesaid process, because this cascade has covered convection groove 65, play dirt-proof effect, heat radiation structure 6 of this embodiment can independently dismantle under the circumstances that does not influence the display screen work, it is convenient to maintain, and, because separate through apron 4 between heat radiation structure 6 and the display screen, thereby make the moisture that the cascade produced can not influence the display screen.

In summary, the display screen of the present embodiment has the following advantages compared with the current lcd screen: in the display screen of this embodiment, establish a cascade in the blast surface department of fan 64 for the wind-force that acts on heat transfer fin 5 is cold wind, combines the heat conduction effect of heat transfer fin 5 to realize heat convection exchange, thereby reaches quick radiating effect, because this cascade has covered convection groove 65, plays dirt-proof effect, in addition, heat radiation structure 6 of this embodiment can independently dismantle under the circumstances that does not influence the display screen work, and it is convenient to maintain, and, because separate through apron 4 between heat radiation structure 6 and the display screen, thereby make the moisture that the cascade produced can not influence the display screen.

The naming of the components involved is based on the functions described in the specification as naming standards, and is not limited by the specific terms used in the present utility model, and other terms may be selected by those skilled in the art to describe the names of the components of the present utility model.

Claims

1. A high-heat-dissipation liquid crystal display screen comprises a screen frame (1), a liquid crystal display assembly (2), a circuit board (3) fixedly arranged at the back of the liquid crystal display assembly (2) and a cover plate (4) for sealing the circuit board (3);

the display screen is characterized by further comprising:

a plurality of groups of heat transfer fins (5) fixedly mounted on the cover plate (4); and

the heat dissipation structure (6) is arranged on the cover plate (4) and comprises a cover shell (61) arranged around the heat transfer fins (5), a base plate (62) arranged on the cover shell (61), a fan (64) fixedly penetrating through the base plate (62) through a bracket (63), a convection groove (65) penetrating through the shell wall of the cover shell (61), and a water curtain assembly (66) fixedly arranged at the position of the base plate (62) facing the heat transfer fins (5).

2. The high heat dissipation liquid crystal display screen according to claim 1, wherein the liquid crystal display assembly (2) is fixedly installed in the screen frame (1), and the liquid crystal display assembly (2) comprises two groups of glass substrates and a liquid crystal layer encapsulated between the two groups of glass substrates;

the two groups of glass substrates are arranged in parallel along the front and rear directions.

3. The high heat dissipation liquid crystal display according to claim 1, wherein the cover plate (4) is hinged on the screen frame (1), and the circuit board (3) is provided with a driving circuit.

4. A high heat dissipation liquid crystal display according to claim 1, characterized in that the heat transfer fins (5) of several groups are uniformly distributed, and the heat transfer fins (5) are arranged facing away from the circuit board (3).

5. The high heat dissipation liquid crystal display according to claim 1, wherein the cover (61) is in a frame structure, and the cover (61) is fixedly connected with the cover plate (4).

6. A high heat dissipation liquid crystal display according to claim 1, characterized in that the base plate (62) is located behind the heat transfer fins (5), and the base plate (62) is detachably connected to the housing (61) by screws.

7. The high heat dissipation liquid crystal display according to claim 1, wherein the water curtain assembly (66) comprises a sponge cushion layer (661) arranged to cover the convection groove (65), a drainage channel (662) arranged in the sponge cushion layer (661), and a water inlet (663) arranged on the sponge cushion layer (661) and communicated with the top end of the drainage channel (662).