Heat dissipation structure of internal circuit board of computer display screen

Abstract

The utility model discloses a heat dissipation structure of a circuit board in a computer display screen, which is applied to the field of display screens and comprises a frame body, a liquid crystal screen is placed in the frame body, the circuit board is bolted in the frame body, two ventilation openings are arranged on one side of the frame body, two fixing cylinders are bolted on one side of the frame body, and the two fixing cylinders are fixed on the frame body. A fixing frame is installed on the surfaces of the fixing cylinders in a penetrating mode, a direct-current air inlet fan and a direct-current exhaust fan which are attached to the frame body are placed in the two fixing cylinders correspondingly, and clamping plates are connected to the surfaces of the direct-current air inlet fan and the direct-current exhaust fan in a clamped mode; a fixing spring is connected between one side of the clamping plate and the fixing frame through a spring fixing piece in a bolting mode, and a fixing rod is welded to one side of the clamping plate. The fan can be conveniently cleaned and maintained by personnel, the disassembly and assembly efficiency of the personnel on the fan is improved, tool assistance is not needed, operation is easy, labor is saved, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the field of display screens, in particular to a heat dissipation structure of a circuit board inside a computer display screen. Background Art

[0002] Currently, a Chinese utility model with the announcement number CN220554229U discloses a heat dissipation structure for an LED display, specifically relating to the field of LED displays, including an LED display, wherein a motor is fixedly installed inside the LED display, a first pulley is fixedly installed on the output end of the motor, a belt is sleeved on the outside of the first pulley, a second pulley is sleeved on the inside of the belt, a first fan is fixedly installed on the bottom of the second pulley, a connecting shaft is fixedly installed on the top of the second pulley, a fixing member is fixedly installed inside the LED display, the connecting shaft is rotatably connected to the inside of the fixing member, and a second fan is fixedly installed on the top of the connecting shaft. The utility model sets a first fan and a second fan, thereby driving the first fan to rotate and drawing external airflow into the interior of the LED display, thereby achieving the purpose of cooling the LED display. The rotation of the second fan draws out the high-temperature air inside the LED display, thereby increasing the efficiency of heat dissipation for the LED display.

[0003] Although the existing display heat dissipation structure can improve the internal ventilation and heat dissipation effect by adding a fan, there are still other problems during use, such as inconvenience in cleaning and maintenance. The cooling fan is directly fixed with screws during installation, and tools are required whether the fan is installed inside or outside. When the fan fails or needs to be cleaned, it is time-consuming and laborious to disassemble and assemble the fan, which reduces the work efficiency of the personnel and has low practicality. In order to solve the above problems, we propose a heat dissipation structure for the internal circuit board of a computer display. Utility Model Content

[0004] The utility model aims to provide a heat dissipation structure for a circuit board inside a computer display screen, which solves the problem that the existing heat dissipation structure is inconvenient to clean and maintain.

[0005] The above technical objectives of the present utility model are achieved through the following technical solutions: a heat dissipation structure of a circuit board inside a computer display screen, comprising a frame, a liquid crystal screen is placed inside the frame, a circuit board is bolted inside the frame, two vents are provided on one side of the frame, two fixing cylinders are bolted on one side of the frame, a fixing frame is installed through the surface of the fixing cylinder, a DC intake fan and a DC exhaust fan that fit with the frame are respectively placed inside the two fixing cylinders, a card plate is clamped on the surface of the DC intake fan and the DC exhaust fan, a fixing spring is bolted between one side of the card plate and the fixing frame through a spring fixing sheet, a fixing rod is welded on one side of the card plate, and the other end of the fixing rod penetrates and extends to the outside of the fixing frame.

[0006] The above technical solution can facilitate cleaning and maintenance for personnel, speed up the efficiency of personnel's disassembly and assembly of the fan, does not require the assistance of tools, is simple and labor-saving, and is highly practical.

[0007] The utility model is further configured as follows: two blocking bars which are in contact with the liquid crystal screen are installed inside the frame.

[0008] By adopting the above technical solution, the liquid crystal screen can be limited by setting the blocking rod to prevent the liquid crystal screen from shaking and shifting after being placed and installed.

[0009] The utility model is further configured as follows: two guide plates are bolted inside the frame.

[0010] By adopting the above technical solution, the wind direction can be guided by setting the guide plate.

[0011] The utility model is further configured as follows: a pull plate is welded to the other end of the fixing rod.

[0012] By adopting the above technical solution and providing the pull plate, it is convenient for personnel to pull the fixing rod outward.

[0013] The utility model is further configured as follows: a dustproof net is installed on one side of the DC air intake fan.

[0014] By adopting the above technical solution, the dustproof net is provided to prevent dust in the air from falling into the DC air intake fan or the DC exhaust fan.

[0015] The utility model is further configured as follows: the fixing spring is made of carbon spring steel.

[0016] By adopting the above technical solution, the fixed spring has the characteristics of excellent mechanical properties, good anti-elasticity, low temperature resistance and corrosion resistance.

[0017] In summary, the present invention has the following beneficial effects:

[0018] The utility model fixes the two fixing cylinders to the back side of the frame with screws first, and when the fixing cylinders are fixed, the pulling plate is grasped by hand to drive the fixing rod to move outward, and the fixing rod will drive the card plate to be retracted into the fixing frame when moving outward, and the card plate will press the fixing spring to shrink and deform when being retracted, and when the pulling plate is pulled out to the bottom, the DC exhaust fan is pushed to the bottom into the fixing cylinder, and finally the pulling plate is loosened to make the card plate stuck on the DC exhaust fan, which is convenient for personnel to clean and maintain, speeds up the efficiency of personnel to disassemble and assemble the fan, does not require the assistance of tools, is simple and labor-saving to operate, and is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0020] Figure 2 This is a front sectional view of the structure of the utility model;

[0021] Figure 3 This utility model Figure 2 A magnified view of the structure at center A.

[0022] Figure numerals: 1. frame; 2. LCD screen; 3. circuit board; 4. vent; 5. fixing tube; 6. fixing frame; 7. DC air intake fan; 8. clamping plate; 9. fixing spring; 10. fixing rod; 11. baffle; 12. guide plate; 13. pull plate; 14. dust net; 15. DC exhaust fan. DETAILED DESCRIPTION

[0023] The present invention will be described in further detail below with reference to the accompanying drawings.

[0024] refer to Figure 1 、 Figure 2 and Figure 3A heat dissipation structure for a circuit board inside a computer display screen includes a frame 1, a liquid crystal screen 2 is placed inside the frame 1, a circuit board 3 is bolted to the inside of the frame 1, two vents 4 are provided on one side of the frame 1, two fixing cylinders 5 are bolted to one side of the frame 1, a fixing frame 6 is installed through the surface of the fixing cylinder 5, a DC air intake fan 7 and a DC exhaust fan 15 are respectively placed inside the two fixing cylinders 5, and the surfaces of the DC air intake fan 7 and the DC exhaust fan 15 are clamped with a clamping plate 8, and a fixing spring 9 is bolted between one side of the clamping plate 8 and the fixing frame 6 via a spring fixing sheet. A fixing rod 10 is welded to one side of the card plate 8, and the other end of the fixing rod 10 passes through and extends to the outside of the fixed frame 6. The two fixing cylinders 5 are first fixed to the back of the frame 1 with screws. After the fixing cylinder 5 is fixed, the pull plate 13 is grasped by hand to drive the fixing rod 10 to move outward. When the fixing rod 10 moves outward, it will drive the card plate 8 into the fixed frame 6. When the card plate 8 is retracted, it will press the fixing spring 9 to cause it to shrink and deform. When the pull plate 13 is pulled out to the bottom, the DC exhaust fan 15 is pushed to the bottom into the fixed cylinder 5. Finally, the pull plate 13 is loosened to allow the card plate 8 to be stuck on the DC exhaust fan 15.

[0025] refer to Figure 2 Two baffles 11 are installed inside the frame 1 and fit with the LCD screen 2. The setting of the baffles 11 can limit the position of the LCD screen 2 to prevent the LCD screen 2 from shaking and shifting after being placed and installed.

[0026] refer to Figure 2 Two guide plates 12 are bolted to the interior of the frame 1. The wind direction can be guided by the setting of the guide plates 12.

[0027] refer to Figure 1 、 Figure 2 and Figure 3 A pull plate 13 is welded to the other end of the fixing rod 10. The setting of the pull plate 13 makes it easy for personnel to pull the fixing rod 10 outward.

[0028] refer to Figure 1 、 Figure 2 and Figure 3 A dustproof net 14 is installed on one side of the DC air intake fan 7. The dustproof net 14 can play a dustproof role and prevent dust in the air from falling into the DC air intake fan 7 or the DC exhaust fan 15.

[0029] refer to Figure 3 The fixed spring 9 is made of carbon spring steel and has the characteristics of excellent mechanical properties, good anti-elasticity, low temperature resistance and corrosion resistance.

[0030] Brief description of the usage process: First, fix the two fixed tubes 5 to the back of the frame 1 with screws. After the fixed tubes 5 are fixed, grab the pull plate 13 with your hand to drive the fixed rod 10 to move outward. When the fixed rod 10 moves outward, it will drive the card plate 8 to be retracted into the fixed frame 6. When the card plate 8 is retracted, it will press the fixed spring 9 to cause it to shrink and deform. When the pull plate 13 is pulled out to the bottom, push the DC exhaust fan 15 to the bottom in the fixed tube 5. Finally, loosen the pull plate 13 to allow the card plate 8 to be stuck on the DC exhaust fan 15.

[0031] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. A heat dissipation structure for a circuit board inside a computer display screen, comprising a frame (1), characterized in that: A liquid crystal screen (2) is placed inside the frame (1), a circuit board (3) is bolted inside the frame (1), two ventilation openings (4) are provided on one side of the frame (1), two fixing cylinders (5) are bolted on one side of the frame (1), a fixing frame (6) is installed through the surface of the fixing cylinder (5), a DC air intake fan (7) and a DC exhaust fan (15) that are fitted with the frame (1) are placed inside the two fixing cylinders (5), a card plate (8) is clamped on the surface of the DC air intake fan (7) and the DC exhaust fan (15), a fixing spring (9) is bolted between one side of the card plate (8) and the fixing frame (6) through a spring fixing sheet, a fixing rod (10) is welded on one side of the card plate (8), and the other end of the fixing rod (10) penetrates and extends to the outside of the fixing frame (6).

2. The heat dissipation structure of the circuit board inside a computer display screen according to claim 1, characterized in that: Two blocking rods (11) are installed inside the frame (1) and are in contact with the liquid crystal screen (2).

3. The heat dissipation structure of the circuit board inside a computer display screen according to claim 1, characterized in that: Two guide plates (12) are bolted inside the frame (1).

4. The heat dissipation structure of a circuit board inside a computer display screen according to claim 1, characterized in that: A pull plate (13) is welded to the other end of the fixing rod (10).

5. The heat dissipation structure of the circuit board inside a computer display screen according to claim 1, characterized in that: A dust screen (14) is installed on one side of the DC air intake fan (7).

6. The heat dissipation structure of a circuit board inside a computer display screen according to claim 1, characterized in that: The fixing spring (9) is made of carbon spring steel.

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