External circulation heat dissipation structure of notebook computer

By designing an external circulation cooling structure on the laptop and utilizing a brushless turbine fan and air duct system, heat can be quickly expelled from the side, solving the problem of heat accumulation in enclosed structures, improving heat dissipation and equipment stability, and reducing noise impact.

CN224067177UActive Publication Date: 2026-03-31CHUANGQI TECH (GUANGZHOU) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-06
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

The enclosed structure of existing laptops leads to internal heat buildup. High-performance laptops can overheat during prolonged use, affecting their lifespan and causing noise as the cooling fans operate at full capacity. Adding fans to existing systems does not provide ideal cooling and also compromises dust protection.

Method used

Design an external circulation cooling structure for a laptop computer, employing a brushless turbine fan and air duct system. Through the sliding design of the air ducts and exhaust ducts, combined with the brushless cooling fan and heat dissipation grid, heat can be quickly expelled from the side of the laptop. The air ducts and exhaust ducts are designed to flexibly dissipate heat under non-high temperature conditions.

Benefits of technology

Effectively control the temperature of the laptop, prevent overheating, ensure long-term stable operation of the device, reduce cooling fan noise, and improve the flexibility and convenience of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of computer heat dissipation, and discloses an external circulation heat dissipation structure of a notebook computer, which comprises the notebook computer, the top of the notebook computer is provided with a limiting chute, the inner wall of the limiting chute is connected with a heat dissipation grid block in a sliding manner, and the top of the inner wall of the notebook computer is fixedly connected with a heating module. An avoiding sliding groove is formed in the outer wall of the notebook computer, and an air guide pipe is slidably connected to the inner wall of the avoiding sliding groove. By operating the brushless turbofan, air outside the air guide pipe is conveyed into the air guide pipe through the brushless turbofan, then air inside the air guide pipe circulates in the direction of the air outlet pipe, and meanwhile air inside the air outlet pipe circulates in the direction of the heating module through the air outlet grooves formed in the surface of the air outlet pipe. Therefore, heat emitted by the heating module is quickly discharged outwards through the avoiding sliding groove formed in the side face of the notebook computer, good temperature control of equipment is kept, overheating is prevented, and long-term stable operation of the equipment is guaranteed.
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Description

Technical Field

[0001] This utility model relates to the field of computer heat dissipation technology, and in particular to an external circulation heat dissipation structure for laptops. Background Technology

[0002] The advent of laptops has brought convenience to people's lives, work, and entertainment. However, as people's demands for laptop performance have increased, laptops often overheat during prolonged use, especially modern high-performance laptops, which operate at extremely high temperatures. Due to the enclosed structure of the laptop casing, internal heat can accumulate. When the CPU and graphics card operate at such high temperatures for extended periods, their lifespan will inevitably be shortened, and other components of the laptop will also be affected. Moreover, the more heat generated inside the laptop, the higher the temperature will be. To enhance cooling, the laptop's cooling fan will also work at full capacity, generating more noise and affecting its operational performance.

[0003] In the current technology, users with high requirements for laptop heat dissipation usually purchase additional fans. These fans are generally located at the bottom of the laptop to blow air to dissipate heat. However, since the laptop casing is generally closed, the heat dissipation effect is not ideal even after adding a fan. Some laptops have ventilation holes at the bottom, but these holes also lead to poor dust prevention. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides an external circulation heat dissipation structure for laptops.

[0005] This utility model is achieved using the following technical solution: an external circulation heat dissipation structure for a laptop computer, comprising a laptop computer, a limiting groove is provided on the top of the laptop computer, a heat dissipation grid block is slidably connected to the inner wall of the limiting groove, a heating module is fixedly connected to the top of the inner wall of the laptop computer, an avoidance groove is provided on the outer wall of the laptop computer, an air duct is slidably connected to the inner wall of the avoidance groove, an air outlet pipe is slidably connected to the inner wall of the air duct, an air outlet groove is provided on the surface of the air duct, and a brushless turbine fan is fixedly connected to the inner wall of the air duct.

[0006] As a further improvement to the above solution, two limiting slides are provided, and the two limiting slides are symmetrically arranged around the center of the laptop computer. Two heat dissipation grid blocks are provided, and the two heat dissipation grid blocks are symmetrically arranged around the center of the laptop computer. Two heat generation modules are provided, and the two heat generation modules are symmetrically arranged around the center of the laptop computer.

[0007] As a further improvement to the above solution, there are two air outlet pipes, which are symmetrically arranged around the center of the heating module. Several air outlet slots are provided, and there are two brushless turbine fans, which are symmetrically arranged around the center of the laptop computer.

[0008] The above technical solution operates a brushless turbine fan, which delivers air from outside the duct to the inside of the duct. The air inside the duct then flows towards the outlet duct, while the air inside the outlet duct flows towards the heating module through the outlet slots on its surface.

[0009] As a further improvement to the above solution, a guide block is fixedly connected to the end of the air outlet pipe away from the heating module. The outer wall of the guide block is slidably connected to the inner wall of the air duct. A flexible push plate is fixedly connected to the end of the guide block away from the air outlet pipe. A guide limiting block is slidably connected to the inner wall of the air duct.

[0010] As a further improvement to the above solution, the outer wall of the flexible push plate is slidably connected to the outer wall of the guide limiting block, the outer wall of the flexible push plate is slidably connected to the inner wall of the air duct, and an operating rod is fixedly connected to the end of the flexible push plate away from the guide fixing block.

[0011] As a further improvement to the above solution, two guide fixing blocks are provided, which are symmetrically arranged around the heating module. Two guide limiting blocks are also provided, which are symmetrically arranged around the heating module.

[0012] As a further improvement to the above solution, an air intake slot is provided at the bottom of the laptop, a heat dissipation shell is fixedly connected to the bottom of the inner wall of the laptop, and a brushless cooling fan is fixedly connected to the surface of the heat dissipation shell.

[0013] With the above technical solution, when the air duct and the air outlet are taken out, the operating rod is pulled, which pulls the flexible push plate, causing the flexible push plate to pull the guide fixing block. This causes the guide fixing block to pull the air outlet to slide inside the air duct, and the flexible push plate slides along the surface of the guide limiting block, thereby retracting the air outlet into the air duct.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] This invention utilizes a brushless turbine fan to transport air from outside the duct to its interior. The air inside the duct then flows towards the outlet duct, while simultaneously, the air inside the outlet duct flows towards the heating module through outlet slots on its surface. This allows the heat emitted by the heating module to be quickly expelled through clearance slots on the side of the laptop, helping to maintain good temperature control, prevent overheating, and ensure long-term stable operation of the device.

[0016] This invention utilizes a control lever to pull out the air duct and exhaust duct. The lever pulls a flexible push plate, which in turn pulls a guide block. This guide block then slides the exhaust duct inside the air duct, while the flexible push plate slides along the surface of the guide limit block, thus retracting the exhaust duct into the air duct. The air duct is then removed outward along the clearance groove. The heat dissipation grid block is then installed inward along the limit groove. A brushless cooling fan draws in external air through the air intake slot at the bottom of the laptop. The fan blows the heat dissipated by the heating module through holes in the heat dissipation shell towards the clearance grooves on both sides, and then exhausts the heat through the surface of the heat dissipation grid block. This method effectively dissipates heat from the heating module under non-high-temperature conditions, providing flexibility and convenience to the device. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of the notebook computer of this utility model;

[0019] Figure 3 This is a schematic diagram of the air duct structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the cross-sectional structure of the air duct of this utility model;

[0021] Figure 5 This utility model Figure 4 Enlarged structural diagram of section A in the middle;

[0022] Figure 6 This is a schematic diagram of the operating lever structure of this utility model;

[0023] Figure 7 This utility model Figure 6 Enlarged structural diagram of section B;

[0024] Figure 8 This is a schematic diagram of the air inlet slot structure of this utility model;

[0025] Figure 9 This is a schematic diagram of the heat dissipation shell structure of this utility model.

[0026] Explanation of key symbols:

[0027] 1. Laptop computer; 2. Limiting slide; 3. Heat dissipation grid block; 4. Heating module; 5. Avoidance slide; 6. Air duct; 7. Air outlet duct; 8. Air outlet slot; 9. Brushless turbine fan; 10. Guide fixing block; 11. Flexible push plate; 12. Guide limiting block; 13. Operating lever; 14. Air inlet slot; 15. Heat dissipation shell; 16. Brushless cooling fan. Detailed Implementation

[0028] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0029] Example:

[0030] Please combine Figure 1-9 This embodiment of an external circulation heat dissipation structure for a laptop computer includes a laptop computer 1. A limiting groove 2 is formed on the top of the laptop computer 1. A heat dissipation grid block 3 is slidably connected to the inner wall of the limiting groove 2. A heat dissipation module 4 is fixedly connected to the top of the inner wall of the laptop computer 1. An avoidance groove 5 is formed on the outer wall of the laptop computer 1. A duct 6 is slidably connected to the inner wall of the avoidance groove 5. An exhaust pipe 7 is slidably connected to the inner wall of the duct 6. An exhaust groove 8 is formed on the surface of the duct 6. A brushless turbine fan 9 is fixedly connected to the inner wall of the duct 6.

[0031] There are two limiting slides 2, which are symmetrically arranged around the center of the laptop 1. There are two heat dissipation grid blocks 3, which are symmetrically arranged around the center of the laptop 1. There are two heat dissipation modules 4, which are symmetrically arranged around the center of the laptop 1.

[0032] There are two air outlet pipes 7, which are symmetrically arranged around the center of the heating module 4. There are several air outlet slots 8. There are two brushless turbine fans 9, which are symmetrically arranged around the center of the laptop 1.

[0033] A guide block 10 is fixedly connected to the end of the air outlet duct 7 away from the heating module 4. The outer wall of the guide block 10 is slidably connected to the inner wall of the air duct 6. A flexible push plate 11 is fixedly connected to the end of the guide block 10 away from the air outlet duct 7. A guide limit block 12 is slidably connected to the inner wall of the air duct 6.

[0034] The outer wall of the flexible push plate 11 is slidably connected to the outer wall of the guide limit block 12, and the outer wall of the flexible push plate 11 is slidably connected to the inner wall of the air duct 6. An operating rod 13 is fixedly connected to the end of the flexible push plate 11 away from the guide fixing block 10.

[0035] There are two guide fixing blocks 10, which are symmetrically arranged with the heating module 4 as the center. There are also two guide limiting blocks 12, which are symmetrically arranged with the heating module 4 as the center.

[0036] The bottom of the laptop 1 has an air intake slot 14, and a heat dissipation shell 15 is fixedly connected to the bottom of the inner wall of the laptop 1. A brushless cooling fan 16 is fixedly connected to the surface of the heat dissipation shell 15.

[0037] The implementation principle of the external circulation heat dissipation structure of a laptop computer in this embodiment is as follows: By operating the brushless turbine fan 9, air outside the air duct 6 is transported to the inside of the air duct 6 through the brushless turbine fan 9. Then, the air inside the air duct 6 flows towards the exhaust duct 7, and at the same time, the air inside the exhaust duct 7 flows towards the heat dissipation module 4 through the exhaust slot 8 opened on the surface. This allows the heat dissipated by the heat dissipation module 4 to be quickly discharged outward through the clearance groove 5 opened on the side of the laptop computer 1, helping the device maintain good temperature control, preventing overheating, and ensuring long-term stable operation of the device. When the laptop computer 1 is not operating under high load, by removing the air duct 6 and the exhaust duct 7, the operating lever 13 is pulled, which pulls the flexible push plate 11, causing the flexible push plate 11 to pull the guide fixing block 10, thereby... The guide fixing block 10 pulls the air outlet pipe 7 to slide inside the air outlet pipe 6, and the flexible push plate 11 slides along the surface of the guide limiting block 12, thereby storing the air outlet pipe 7 inside the air outlet pipe 6. Then, the air outlet pipe 6 is taken out along the clearance slide 5. Then, the heat dissipation grid block 3 is installed inward along the limiting slide 2. Then, by running the brushless cooling fan 16, the brushless cooling fan 16 circulates and transports external air inward through the air inlet slot 14 opened at the bottom of the laptop 1. Then, the heat dissipated by the heat dissipation module 4 is blown through the holes on the surface of the heat dissipation shell 15 towards the clearance slide 5 on both sides, and then the heat is discharged outward through the surface of the heat dissipation grid block 3. In non-high temperature conditions, the heat dissipated by the heat dissipation module 4 is dissipated, giving the device a certain degree of flexibility and convenience.

[0038] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. An external circulation heat dissipation structure of a notebook computer, characterized by comprising: Including notebook computer (1), notebook computer (1) top is provided with limiting sliding slot (2), the inner wall of limiting sliding slot (2) is slidably connected with heat dissipation grid block (3), the inner wall top of notebook computer (1) is fixedly connected with heating module (4), the outer wall of notebook computer (1) is provided with avoiding sliding slot (5), the inner wall of avoiding sliding slot (5) is slidably connected with air guide pipe (6), the inner wall of air guide pipe (6) is slidably connected with air outlet pipe (7), the surface of air guide pipe (6) is provided with air outlet groove (8), the inner wall of air guide pipe (6) is fixedly connected with brushless turbine fan (9).

2. The external circulation heat radiation structure of a notebook computer according to claim 1, wherein: The limiting sliding slot (2) is provided with two, two limiting sliding slots (2) are symmetrically arranged with the center of notebook computer (1), the heat dissipation grid block (3) is provided with two, two heat dissipation grid blocks (3) are symmetrically arranged with the center of notebook computer (1), the heating module (4) is provided with two, two heating modules (4) are symmetrically arranged with the center of notebook computer (1).

3. The outer circulation heat radiation structure of a notebook computer according to claim 1, wherein: The air outlet pipe (7) is provided with two, two air outlet pipes (7) are symmetrically arranged with the center of heating module (4), the air outlet groove (8) is provided with a plurality of, the brushless turbine fan (9) is provided with two, two brushless turbine fans (9) are symmetrically arranged with the center of notebook computer (1).

4. The external circulation heat radiation structure of a notebook computer according to claim 1, wherein: The air outlet pipe (7) is fixedly connected with guide fixed block (10) at one end away from heating module (4), the outer wall of guide fixed block (10) is slidably connected in the inner wall of air guide pipe (6), the one end of guide fixed block (10) away from air outlet pipe (7) is fixedly connected with flexible push plate (11), the inner wall of air guide pipe (6) is slidably connected with guide limiting block (12).

5. The external circulation heat radiation structure of a notebook computer according to claim 4, wherein: The outer wall of flexible push plate (11) is slidably connected in the outer wall of guide limiting block (12), the outer wall of flexible push plate (11) is slidably connected in the inner wall of air guide pipe (6), the one end of flexible push plate (11) away from guide fixed block (10) is fixedly connected with operating rod (13).

6. The external circulation heat radiation structure of a notebook computer according to claim 5, wherein: The guide fixed block (10) is provided with two, two guide fixed blocks (10) are symmetrically arranged with the center of heating module (4), the guide limiting block (12) is provided with two, two guide limiting blocks (12) are symmetrically arranged with the center of heating module (4).

7. The external circulation heat radiation structure of a notebook computer according to claim 1, wherein: The bottom of notebook computer (1) is provided with air inlet groove (14), the bottom of the inner wall of notebook computer (1) is fixedly connected with heat dissipation shell (15), the surface of heat dissipation shell (15) is fixedly connected with brushless heat dissipation fan (16).