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Liquid crystal display television backlight driving power supply heat dissipation structure

A technology of backlight drive and LCD TV, which is applied in the direction of supporting structure installation, electrical equipment structural parts, electrical components, etc., which can solve the problems of attenuation of heat dissipation capacity, damage of electrical components of driving power supply, and difficulty in heat dissipation, etc., so as to improve protection and avoid external The effect of high temperature and accelerated heat dissipation

Pending Publication Date: 2021-02-26
FOSHAN KAI LE XIN ELECTRICAL APPLIANCE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The existing heat dissipation structure of the LCD TV backlight drive power supply often uses fans to dissipate the heat from the outside air to the drive power supply. When the ambient temperature is high, the heat dissipation capability will be greatly attenuated, resulting in difficulty in heat dissipation, resulting in electrical components inside the drive power supply. problem with corruption

Method used

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  • Liquid crystal display television backlight driving power supply heat dissipation structure
  • Liquid crystal display television backlight driving power supply heat dissipation structure
  • Liquid crystal display television backlight driving power supply heat dissipation structure

Examples

Experimental program
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Effect test

Embodiment 1

[0031] see Figure 1-6, the present invention provides a technical solution: a heat dissipation structure of a LCD TV backlight drive power supply, including a casing 1; an installation mechanism 3, the installation mechanism 3 includes a U-shaped plate 31 and a placement plate 32, the casing 1 has A placing plate 32 is fixedly welded on the bottom of one side, and U-shaped plates 31 are fixedly welded on both edges of the placing plate 32; the heat dissipation mechanism 2 includes a fixed frame 21, a telescopic tube 22, and a heat conduction plate 23. , the circulation device 25, the exhaust fan 26, the water pump 27, the air inlet 28, the conveying pipe 29, the heat exchange pipe 210, the first spring 211 and the limiting plate 212, the top surface of the placing plate 32 is slidably connected with the fixing frame 21 , the two side walls of the fixing frame 21 are fixed and welded with a limit plate 212, the limit plate 212 is slidably connected with the U-shaped plate 31, ...

Embodiment 2

[0033] As a preferred solution of the first embodiment, a temperature sensor 252 is fixedly installed on one inner wall of the cooling box 251 , the temperature sensor 252 is electrically connected to the control module 5 , and one side of the cooling box 251 is fixedly plugged There is a liquid level sensor 254, the liquid level sensor 254 is electrically connected with the control module 5, and the control module 5 is electrically connected with an alarm module 7, and the alarm module 7 includes a speaker 71, and the speaker 71 is connected to the fixing frame 21. The side wall of the cooling box 251 is fixed and welded, and the temperature sensor 252 can detect the temperature of the cooling liquid inside the cooling box 251. When the temperature value detected by the temperature sensor 252 exceeds the value set by the control module 5, the control module 5 can transmit a signal to the refrigerator 253. , so that the refrigerator 253 is started, and the cooling liquid inside...

Embodiment 3

[0035] As a preferred solution of the first embodiment, the end of the U-shaped plate 31 away from the housing 1 is movably inserted into the limit rod 33, and one end of the limit rod 33 sequentially penetrates the side wall of the U-shaped plate 31, the limit rod The other side of the plate 212 and the U-shaped plate 31 extends to the inside of the U-shaped plate 31. The inside of the U-shaped plate 31 and at the top of the limit rod 33 are provided with installation grooves 36. An insertion rod 34 is movably inserted at the top. The bottom of the insertion rod 34 penetrates the installation slot 36 and extends to the outside of the installation slot 36. , the surface of the insertion rod 34 is located inside the installation groove 36 and is fixedly sleeved with the limit plate 35, and the surface of the insertion rod 34 is wound with a second spring 37 between the limit plate 35 and the top of the installation groove 36, The limit plate 35 is slidably connected to the inne...

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Abstract

The invention discloses a liquid crystal display television backlight driving power supply heat dissipation structure, which comprises: a shell; a mounting mechanism comprising a U-shaped plate and aplacing plate, wherein the placing plate is fixedly welded to the bottom of one side of the shell, and the U-shaped plate is fixedly welded to the edges of the two sides of the placing plate; and a heat dissipation mechanism comprising a fixed frame, a telescopic pipe, a heat conduction plate, a circulating device, an exhaust fan, a water pump, an air inlet hole, a conveying pipe, a heat exchangepipe, a first spring and a limiting plate, wherein the surface of the top of the placing plate is slidably connected with the fixed frame. According to the invention, the problems that when an existing liquid crystal display television backlight driving power supply heat dissipation structure dissipates heat, a fan is often used for dissipating heat of a driving power supply through outside air, when the environment temperature is high, the heat dissipation capacity can be greatly attenuated, heat dissipation is difficult, and electrical elements in the driving power supply are damaged are effectively solved.

Description

technical field [0001] The invention relates to the technical field of liquid crystal televisions, in particular to a heat dissipation structure for a backlight driving power supply of a liquid crystal television. Background technique [0002] Liquid crystal display is referred to as LCD, which uses a substance between solid and liquid, organic compounds with regular molecular arrangement, which is transparent and liquid state when heated, and a turbid solid state of crystalline particles after cooling, LED back, etc. It is the mainstream backlight module for LCD TVs at present. Depending on the size of the LCD screen, the driving power of the backlight module is also different. Especially the mass production of large-screen LCD TVs above 75 inches has increased the backlight power from the current LCD TVs generally less than 150W to 100W. Above 200W, the heat generated by the drive power is also increased accordingly. [0003] However, there are some drawbacks in the tradi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05K7/20H05K7/14F16F15/067
CPCH05K7/2039H05K7/20218H05K7/20272H05K7/20136H05K7/20145H05K7/20281H05K7/20263H05K7/14F16F15/067
Inventor 严继元
Owner FOSHAN KAI LE XIN ELECTRICAL APPLIANCE CO LTD