LED display screen back heat dissipation structure

By designing a hollow air guide frame, thermal layer, temperature sensor and cooling fan on the back of the LED display, using ambient wind energy and automatic control, the problem of poor heat dissipation of LED display in high-temperature environments is solved, and efficient and energy-saving heat dissipation effect is achieved.

CN222954272UActive Publication Date: 2025-06-06SHENZHEN KRESS ZHIXIAN TECH CO LTD
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Patent Information

Application Number
CN202421689880.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-16
Publication Date
2025-06-06
Estimated Expiration
2034-07-16

AI Technical Summary

Technical Problem

The existing LED displays have poor heat dissipation in high temperature environments, resulting in damage to the device and affecting the service life and economy of the product.

Method used

The air guide frame and fixture frame are adopted with a hollow design, combined with the thermal conduction layer, temperature sensor and cooling fan, and the air guide hole and fin design uses environmental wind energy and automatic control to achieve efficient heat dissipation.

Benefits of technology

It improves the independent heat dissipation efficiency of LED displays, reduces energy consumption, extends equipment life, and improves practicality and economy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a light-emitting diode (LED) display screen back heat dissipation structure in the related technical field of display screen heat dissipation structures, which comprises an air guide frame and a fixing frame connected with the air guide frame, the air guide frame adopts a hollow design and is provided with two rows of air guide holes, one side of the air guide frame is provided with a display screen main body, and the other side of the air guide frame is provided with a heat dissipation frame. A heat conduction layer is arranged between the heat dissipation frame and the display screen body and is made of heat conduction silica gel materials. According to the utility model, through the design of the air guide frame and the air guide holes, the unpowered heat dissipation of the display screen main body can be conveniently carried out by utilizing wind energy in the environment, the autonomous heat dissipation efficiency of the device is greatly improved, the energy consumption is reduced, and the economical efficiency is better; the display screen main body can be actively cooled according to needs, the display screen main body is prevented from being damaged due to too high temperature, meanwhile, the energy-saving performance is good, and the practicability and economical efficiency of the device are further improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field related to the heat dissipation structure of a display screen, and specifically relates to a heat dissipation structure at the back of an LED display screen. Background Art

[0002] With the continuous development of science and technology, especially the continuous updating of LED technology, LED energy-saving lamps have been recognized and affirmed by people for their low cost, high light efficiency and large luminous area. With the continuous innovation of technology, the application of LED technology has long been not limited to lighting, and LED display technology has long entered people's lives. When using traditional LED display screens, they are mostly installed directly through the mounting frame. Although this method saves trouble and labor, it is found in actual use that because LED display screens are mostly used outdoors, when the outdoor temperature is too high, especially in summer, it is easy to cause the internal heat dissipation of the LED display screen to cause the device to be damaged due to excessive temperature, which affects the service life of the product. The practicality and economy need to be further improved. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a heat dissipation structure on the back of an LED display screen. To solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0004] The back heat dissipation structure of the LED display screen includes an air guide frame and a fixed frame connected thereto. The air guide frame adopts a hollow design and is provided with two rows of air guide holes. The display screen body is arranged on one side of the air guide frame and a heat dissipation frame is arranged on the other side of the air guide frame. A heat conduction layer is arranged between the heat dissipation frame and the display screen body and the heat conduction layer is made of heat-conducting silicone material. The air guide frame, the heat dissipation frame and the display screen body are connected by screws. Three fixed frames are evenly distributed and fixedly connected on one side of the display screen body and two process holes are provided on the fixed frame with temperature sensors embedded in the process holes. The detection end of the temperature sensor is close to the display screen body and the air guide frame is connected to both ends of the fixed frame by screws. The air guide frame plays a role of guiding air. The air guide frame is made of sheet metal and the heat dissipation frame is made of heat-conducting material. Three heat dissipation frames are arranged on the display screen body and the heat dissipation frame and the fixed frame are designed to be distributed at intervals.

[0005] As a further solution of the utility model: four mounting holes are opened on the fixing frame, and two reinforcing ribs are integrally formed and connected to the fixing frame. The mounting holes are convenient for installing the device, and the reinforcing ribs play a role of stable support.

[0006] As a further solution of the utility model: a connecting block is provided at one end of a fixed frame arranged in the middle of the display screen body, and a control box is provided on the side of the air guide frame away from the connecting block. The control box, the air guide frame and the connecting block are connected by bolts, and the connecting block serves as a fixed connection, so that the control box facilitates automatic control.

[0007] As a further solution of the utility model: protective covers are embedded at both ends of the air guide frame, the protective covers adopt a hollow design, a cooling fan is arranged on one side of the protective cover, the cooling fan is fixedly connected to the air guide frame, the protective covers play the role of guiding and protecting, and the cooling fan provides cooling power for the device.

[0008] As a further solution of the utility model: the control box is connected to the temperature sensor and the cooling fan through wires. Through the above design, it is convenient to control the cooling fan according to the temperature of the display screen body, thereby achieving energy saving.

[0009] As a further solution of the utility model: fins are arranged on the heat sink, and air guide grooves are arranged between the fins. Through the above design, the heat dissipation efficiency of the heat sink can be improved.

[0010] The utility model utilizes the wind energy in the environment to perform unpowered heat dissipation on the display screen body through the design of the wind guide frame and the wind guide holes, which greatly improves the efficiency of the device's independent heat dissipation, reduces energy consumption, and has good economy.

[0011] The utility model, through the design of the temperature sensor and the cooling fan, can actively dissipate the heat of the display screen body according to the need, which not only avoids the damage of the display screen body due to excessive temperature, but also has good energy saving performance, further improving the practicability and economy of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is the front view of the utility model;

[0014] Figure 3 It is a side view of the utility model;

[0015] Figure 4 It is a rear view of the utility model.

[0016] In the figure: 1. air guide frame; 3. display screen body; 3. protective cover; 4. air guide hole; 5. control box; 6. cooling fan; 7. heat dissipation frame; 8. fins; 9. air guide slot; 10. thermal conductive layer; 11. fixing frame; 12. temperature sensor; 13. process hole; 14. installation hole; 15. reinforcing rib; 16. connecting block. DETAILED DESCRIPTION

[0017] like Figures 1 to 4 As shown, the back heat dissipation structure of the LED display screen includes an air guide frame 1 and a fixed frame 11 connected thereto. The air guide frame 1 adopts a hollow design, and two rows of air guide holes 4 are provided on the air guide frame 1. A display screen body 2 is arranged on one side of the air guide frame 1, and a heat sink 7 is arranged on the other side of the air guide frame 1. A heat conductive layer 10 is arranged between the heat sink 7 and the display screen body 2, and the heat conductive layer 10 is made of thermal conductive silicone material. The air guide frame 1, the heat sink 7 and the display screen body 2 are connected by screws. Three fixed frames 11 are evenly distributed and fixedly connected on one side of the display screen body 2. Two process holes 13 are provided on the fixed frame 11, and a temperature sensor 12 is embedded in the process hole 13. The detection end of the temperature sensor 12 is close to the display screen body 2. The air guide frame 1 is connected to both ends of the fixed frame 11 by screws. The air guide frame 1 plays a role of guiding air, the air guide frame 1 is made of sheet metal material, and the heat sink 7 is made of thermal conductive material. Three heat sinks 7 are arranged on the display screen body 2, and the heat sink 7 and the fixed frame 11 are designed to be distributed at intervals.

[0018] The fixing frame 11 is provided with four mounting holes 14 , and the fixing frame 11 is integrally formed with two reinforcing ribs 15 . The mounting holes 14 facilitate installation of the device, and the reinforcing ribs 15 play a role of stable support.

[0019] A connecting block 16 is provided at one end of a fixing frame 11 disposed in the middle of the display screen body 2, and a control box 5 is provided on the side of the air guide frame 1 away from the connecting block 16. The control box 5, the air guide frame 1 and the connecting block 16 are connected by bolts, and the connecting block 16 serves as a fixed connection, so that the control box 5 can realize automatic control.

[0020] Protective covers 3 are embedded at both ends of the air guide frame 1. The protective covers 3 adopt a hollow design. A cooling fan 6 is arranged on one side of the protective cover 3. The cooling fan 6 is fixedly connected to the air guide frame 1. The protective cover 3 plays a role of guiding and protecting. The cooling fan 6 provides cooling power for the device.

[0021] The control box 5 is connected to the temperature sensor 12 and the cooling fan 6 through a wire. Through the above design, it is convenient to control the cooling fan 6 according to the temperature of the display screen body 2, which plays a role in energy saving.

[0022] The heat sink 7 is provided with fins 8 , and air guide slots 9 are provided between the fins 8 . The above design can improve the heat dissipation efficiency of the heat sink 7 .

[0023] When in use, the device is installed in a suitable position through the installation hole 14, and the relevant lines can be connected for use. During use, when there is wind in the environment, natural wind enters the wind guide frame 1 through the wind guide hole 4. Because a narrow gap is formed between the device and the wall, the wind will move to the two ends of the device through the narrow gap, and then flow out through the protective cover 3. During the flow of wind, it will fully contact and heat exchange with the fins 8, thereby taking out the heat, and thereby completing the heat dissipation of the display screen body 2. At the same time, during use, the temperature sensor 12 works to detect the temperature of the display screen body 2. When the temperature exceeds the set value, the control box 5 controls the cooling fan 6 to start working, and the main The wind velocity in the wind guide frame 1 is increased dynamically, and the heat exchange efficiency inside the device is accelerated, so as to ensure that the temperature of the display screen main body 2 is below the set value. The novel structure of the present invention is reasonably designed and easy to install and use. Through the design of the wind guide frame 1 and the air guide hole 4, it is convenient to use the wind energy in the environment to perform unpowered heat dissipation on the display screen main body 2, which greatly improves the efficiency of the device's autonomous heat dissipation, reduces energy consumption, and has good economy. Through the design of the temperature sensor 12 and the cooling fan 6, it is convenient to actively dissipate heat for the display screen main body 2 as needed, which not only avoids damage to the display screen main body 2 due to excessive temperature, but also has good energy saving performance, further improving the practicability and economy of the device.

Claims

1. A back heat dissipation structure of an LED display screen, comprising an air guide frame (1) and a fixing frame (11) connected thereto, characterized in that: The air guide frame (1) adopts a hollow design, and two rows of air guide holes (4) are provided on the air guide frame (1). A display screen body (2) is arranged on one side of the air guide frame (1), and a heat dissipation frame (7) is arranged on the other side of the air guide frame (1). A heat conduction layer (10) is arranged between the heat dissipation frame (7) and the display screen body (2), and the heat conduction layer (10) is made of heat-conducting silicone material. The air guide frame (1), the heat dissipation frame (7) and the display screen body (2) are connected by screws. Three fixing frames (11) are evenly distributed and fixedly connected on one side of the display screen body (2), and two process holes (13) are provided on the fixing frame (11). A temperature sensor (12) is embedded in the process hole (13), and a detection end of the temperature sensor (12) is closely attached to the display screen body (2). The air guide frame (1) is connected to both ends of the fixing frame (11) by screws.

2. The back heat dissipation structure of the LED display screen according to claim 1, characterized in that: The fixing frame (11) is provided with four mounting holes (14), and the fixing frame (11) is integrally formed with two reinforcing ribs (15).

3. The LED display back heat dissipation structure according to claim 1, characterized in that: A connecting block (16) is provided at one end of a fixing frame (11) arranged in the middle of a display screen body (2); a control box (5) is provided on a side of the air guide frame (1) away from the connecting block (16); and the control box (5), the air guide frame (1) and the connecting block (16) are connected by bolts.

4. The back heat dissipation structure of the LED display screen according to claim 3, characterized in that: Protective covers (3) are embedded at both ends of the air guide frame (1), the protective covers (3) are of hollow design, a heat dissipation fan (6) is arranged on one side of the protective cover (3), and the heat dissipation fan (6) is fixedly connected to the air guide frame (1).

5. The LED display back heat dissipation structure according to claim 4, characterized in that: The control box (5) is connected to the temperature sensor (12) and the cooling fan (6) via wires.

6. The LED display back heat dissipation structure according to claim 1, characterized in that: The heat sink (7) is provided with fins (8), and air guide grooves (9) are provided between the fins (8).