CN216719415U - The internal structure of a liquid crystal display - Google Patents

Abstract

The utility model discloses an internal structure of a liquid crystal display screen, which comprises an outer frame shell, wherein a screen assembly is arranged at the front end of the outer frame shell, a heat-conducting plate is attached to the surface of the rear end of the screen assembly, a micro water channel is formed in the heat-conducting plate, the appearance of the micro water channel is an S-shaped outline, micro pumps are arranged on the two sides of the rear end of the heat-conducting plate of the outer frame shell, a connecting pipe is connected between each micro pump and a port of the micro water channel, radiating pipes are connected among the micro pumps, and a circulation loop is formed among the micro water channel, the connecting pipe and the radiating pipes; the heat-conducting plate is laminated in the backlight unit absorption heat of screen subassembly, has the coolant liquid in the little water course of heat-conducting plate, and the micropump takes out the coolant liquid in the little water course and cools off via the cooling tube, and the coolant liquid that will cool off the completion via the micropump is sent to little water way inside again, and the circulation of the edge little water way of coolant liquid is heat-conducting plate rapid cooling, is favorable to the backlight unit of heat-conducting plate and screen subassembly to carry out stable, efficient accuse temperature.

Description

The internal structure of a liquid crystal display

technical field

The utility model relates to the technical field of display screens, in particular to an internal structure of a liquid crystal display screen.

Background technique

The liquid crystal display is a kind of flat display, which is used for the screen display of televisions and computers. The advantages of the liquid crystal display are low power consumption, small size and low radiation. The liquid crystal display uses two polarized materials. Liquid crystal solution, when the current passes through the liquid, the crystal will be rearranged to achieve the purpose of imaging;

At present, a large amount of heat is generated during the operation of the liquid crystal display. It is difficult to achieve the effect of rapid cooling only by the heat dissipation holes opened on the shell. Long-term high temperature operation will affect the service life of the display. Therefore, we propose a liquid crystal display. the internal structure of the screen.

Utility model content

In order to overcome the deficiencies of the prior art, the utility model provides an internal structure of a liquid crystal display screen. The cooling liquid inside is drawn out through the cooling pipe to cool down and cool, and then the cooled cooling liquid is sent to the inside of the micro water channel through the micro pump. At least two micro pumps provide sufficient circulating power, and the cooling liquid circulates along the micro water channel for the heat conduction plate. Cooling is conducive to the stable and efficient temperature control of the thermal conductive plate and the backlight module of the screen assembly.

In order to solve the above technical problems, the present utility model provides the following technical solutions: an internal structure of a liquid crystal display screen, comprising an outer frame shell, the front end of the outer frame shell is provided with a screen assembly, and the rear end surface of the screen assembly is attached to the surface. A heat-conducting plate is provided, and a micro-water channel is opened inside the heat-conducting plate. The shape of the micro-water channel is an "S"-shaped outline. A connecting pipe is connected between the micro-pump and the port of the micro-water channel, a heat-dissipating pipe is connected between the micro-pumps, and a circulation loop is formed among the micro-water channel, the connecting pipe and the heat-dissipating pipe.

Preferably, the rear end of the outer frame shell is provided with a protective plate, the protective plate forms a cavity inside the outer frame shell, and both the micro pump and the heat dissipation pipe are arranged inside the cavity.

Preferably, an isolation plate is provided at the rear end of the heat conduction plate, the heat dissipation pipe is located at the rear end of the isolation plate, and the isolation plate is covered and sealed inside the outer frame shell.

Preferably, the isolation plate is provided with a sleeve hole corresponding to the connecting pipe, and the connecting pipe penetrates the sleeve hole and is sealed with each other.

Preferably, the outer contour of the heat dissipation pipe is a continuous "S" shape, and the rear end surface of the protective plate is provided with ventilation holes corresponding to the heat dissipation pipe.

Preferably, the screen assembly includes a liquid crystal panel and a backlight module, and the backlight module is covered and attached to the rear surface of the liquid crystal panel.

Compared with the prior art, the beneficial effects that the utility model can achieve are:

The heat-conducting plate is attached to the backlight module of the screen assembly to absorb heat, and the micro-channel of the heat-conducting plate contains cooling liquid. The micro-pump draws out the cooling liquid in the micro-channel to cool down and cool down through the heat pipe, and then the cooled cooling liquid is cooled by the micro-pump. When it is sent to the inside of the micro-channel, at least two micro-pumps provide sufficient circulating power, and the cooling liquid circulates along the micro-channel to rapidly cool the heat-conducting plate, which is conducive to the stable and efficient temperature control of the heat-conducting plate and the backlight module of the screen assembly.

Description of drawings

Fig. 1 is the structural representation of the utility model;

FIG. 2 is a schematic diagram of the heat conducting plate of the present invention.

Among them: 1. Outer frame shell; 2. Backlight module; 3. Liquid crystal panel; 4. Holes; 5. Isolation plate; 6. Micro pump; 7. Protection plate; , heat conduction plate; 11, micro water channel.

Detailed ways

In order to make the technical means, creative features, goals and effects realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present utility model, not all . Based on the examples in the implementation manner, other examples obtained by those skilled in the art without creative work are all within the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and the materials, reagents, etc. used in the following examples can be obtained from commercial sources unless otherwise specified.

Example

Please refer to FIG. 1 and FIG. 2 , the present invention provides an internal structure of a liquid crystal display screen, including an outer frame shell 1 , a front end of the outer frame shell 1 is provided with a screen assembly, and the screen assembly includes a liquid crystal panel 3 and a backlight module 2, the backlight module 2 is covered and attached to the rear end surface of the liquid crystal panel 3, and the rear end surface of the screen assembly is fitted with a heat conduction plate 10, and the inside of the heat conduction plate 10 is provided with a micro water channel 11, and the shape of the micro water channel 11 is " S"-shaped profile, the outer frame shell 1 is provided with a micro-pump 6 on both sides of the rear end of the heat-conducting plate 10, a connecting pipe 9 is connected between the micro-pump 6 and the port of the micro-water channel 11, and the micro-pump 6 is connected with each other with a The heat pipe 8, the micro water channel 11, the connecting pipe 9 and the heat pipe 8 form a circulation loop, the heat conduction plate 10 is attached to the backlight module 2 of the screen assembly to absorb heat, and the micro water channel 11 of the heat conduction plate 10 is pre-installed with cooling The micro-pump 6 extracts the cooling liquid in the micro-channel 11 through the cooling pipe 8 for cooling and cooling, and then sends the cooled cooling liquid to the inside of the micro-channel 11 through the micro-pump 6, and the cooling liquid circulates along the micro-channel 11 as a heat-conducting plate The rapid cooling of 10 is conducive to stable and efficient heat exchange between the heat conducting plate 10 and the backlight module 2 of the screen assembly, and at least two micro-pumps 6 are conducive to providing the pressure force of the cooling liquid in the circulation.

As shown in FIG. 1 , the utility model discloses that the rear end of the outer frame shell 1 is provided with a protective plate 7 , the protective plate 7 forms a cavity inside the outer frame shell 1 , and the micro pump 6 and the heat dissipation pipe 8 are arranged inside the cavity. , the protective plate 7 protects the micro-pump 6 and the heat-dissipating pipe 8 to avoid damage caused by the contact between the micro-pump 6 and the heat-dissipating pipe 8 and the outside world.

As shown in FIG. 1 , the utility model discloses that the rear end of the heat conduction plate 10 is provided with an isolation plate 5 , the heat dissipation pipe 8 is located at the rear end of the isolation plate 5 , the isolation plate 5 is covered and sealed inside the outer frame shell 1 , and the isolation plate 5 avoids the The micro-pump 6 and the heat-dissipating pipe 8 have an influence on the screen assembly, and the isolation plate 5 further prevents the heat-transferring of the heat-dissipating pipe 8 to the screen assembly.

As shown in FIG. 1 , the present utility model discloses that the isolation plate 5 is provided with a sleeve hole 4 corresponding to the connecting pipe 9, the connecting pipe 9 penetrates the sleeve hole 4 and is sealed with each other, and the isolation plate 5 further prevents the heat dissipation pipe 8 from affecting the screen components for heat transfer.

As shown in FIG. 1 , the utility model discloses that the outline of the heat dissipation pipe 8 is a continuous “S” shape, the rear end surface of the protective plate 7 is provided with ventilation holes corresponding to the heat dissipation pipe 8, and the heat dissipation pipe 8 is in contact with the outside air. Heat dissipation is more efficient.

In the internal structure of a liquid crystal display screen provided by the present invention, the heat-conducting plate 10 is attached to the backlight module 2 of the screen assembly to absorb heat, the micro-water channel 11 of the heat-conducting plate 10 is pre-installed with cooling liquid, and the micro-pump 6 pumps the micro-water channel The cooling liquid in 11 is drawn out through the cooling pipe 8 for cooling and cooling, and then the cooled cooling liquid is sent to the inside of the micro-channel 11 through the micro-pump 6, and the cooling liquid circulates along the micro-channel 11 to rapidly cool the heat-conducting plate 10, which is beneficial to the heat-conducting plate. 10 conducts stable and efficient heat exchange with the backlight module 2 of the screen assembly, and at least two micro-pumps 6 are beneficial to provide the pressure force of the cooling liquid in the circulation; the protective plate 7 protects the micro-pump 6 and the heat pipe 8 to avoid micro The pump 6 and the heat pipe 8 are damaged due to contact with the outside world; the isolation plate 5 prevents the micro-pump 6 and the heat pipe 8 from affecting the screen assembly, and the isolation plate 5 further prevents the heat transfer pipe 8 from transferring heat to the screen assembly.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. An internal structure of a liquid crystal display screen, comprising an outer frame shell (1), characterized in that: the front end of the outer frame shell (1) is provided with a screen assembly, and the rear end surface of the screen assembly is fitted with a A heat-conducting plate (10), the interior of the heat-conducting plate (10) is provided with a micro-water channel (11), the outer shape of the micro-water channel (11) is an "S"-shaped outline, and the outer frame shell (1) is located in the heat-conducting plate (10). Both sides of the rear end of (10) are provided with a micro-pump (6), a connecting pipe (9) is connected between the micro-pump (6) and the port of the micro-water channel (11), and the micro-pump (6) is connected to each other. A radiating pipe (8) is connected therebetween, and a circulation loop is formed between the micro-water channel (11), the connecting pipe (9) and the radiating pipe (8). 2. The internal structure of a liquid crystal display screen according to claim 1, characterized in that: the rear end of the outer frame shell (1) is provided with a protective plate (7), and the protective plate (7) is located on the outer frame A cavity is formed inside the shell (1), and the micro-pump (6) and the heat dissipation pipe (8) are both arranged inside the cavity. 3. The internal structure of a liquid crystal display screen according to claim 1, characterized in that: the rear end of the heat conducting plate (10) is provided with an isolation plate (5), and the heat dissipation pipe (8) is located on the isolation plate At the rear end of (5), the isolation plate (5) is covered and sealed inside the outer frame shell (1). 4. The internal structure of a liquid crystal display screen according to claim 3, characterized in that: the isolation plate (5) is provided with a sleeve hole (4) corresponding to the connecting pipe (9), and the connecting pipe (9) ) penetrate through the sleeve hole (4) and seal each other. 5. The internal structure of a liquid crystal display screen according to claim 2, characterized in that: the outline of the heat dissipation pipe (8) is a continuous "S" shape, and the rear end of the protective plate (7) The surface is provided with ventilation holes corresponding to the heat dissipation pipes (8). 6. The internal structure of a liquid crystal display screen according to claim 1, wherein the screen assembly comprises a liquid crystal panel (3) and a backlight module (2), and the backlight module (2) is covered with a sticker Attached to the rear surface of the liquid crystal panel (3).

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