A finned heat sink capable of rapid heat dissipation

By designing finned heat sinks with an automatic cleaning mechanism, the problem of dust accumulation affecting heat dissipation efficiency is solved, achieving efficient heat dissipation.

CN224439510UActive Publication Date: 2026-06-30HANNENG OPTICAL STORAGE (GUANGDONG) NEW ENERGY TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202521713542.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-13
Publication Date
2026-06-30
Estimated Expiration
2035-08-13

AI Technical Summary

Technical Problem

When existing heat sinks are in use, external dust accumulation affects heat conduction efficiency, resulting in a decrease in heat dissipation efficiency.

Method used

Design a finned heat sink that includes a mounting plate, heat dissipation fins, and a cleaning mechanism. A servo motor drives a threaded rod to move a cleaning frame along the fin surface to automatically remove dust and improve heat transfer efficiency.

Benefits of technology

By automatically cleaning dust, the heat dissipation efficiency of the heat sink fins is improved, ensuring that heat is effectively dissipated.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224439510U_ABST
    Figure CN224439510U_ABST
Patent Text Reader

Abstract

This utility model relates to a finned heat sink capable of rapid heat dissipation, belonging to the field of heat sink technology. The finned heat sink includes a mounting plate and heat dissipation fins. A mounting bracket is fixedly connected to one side of the mounting plate. Multiple sets of heat dissipation fins are arranged, each set fixed to the mounting bracket by fixing bolts. All sets of heat dissipation fins penetrate the mounting plate and have through holes. A cleaning mechanism is attached to the outer surface of the heat dissipation fins. This utility model utilizes the combined use of a servo motor, a threaded rod, a displacement frame, and a cleaning frame. When cleaning the heat dissipation fins is required, the servo motor is activated, causing the threaded rod to rotate. This, in turn, drives the cleaning frame to move back and forth along the outer surface of the heat dissipation fins via the displacement frame, removing dust adhering to the outer surface of the heat dissipation fins. This prevents dust from affecting the heat conduction efficiency of the heat dissipation fins, thereby improving the heat dissipation efficiency of the heat dissipation fins.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model belongs to the field of heat sink technology, specifically relating to a finned heat sink that can dissipate heat quickly. Background Technology

[0002] A heat sink is a device used to dissipate heat from electronic components in electrical appliances. It is usually made of aluminum alloy, brass, or bronze and can be in the form of plates, sheets, or multiple sheets. For example, the CPU in a computer requires a fairly large heat sink, and the power transistors, horizontal output transistors, and power amplifier transistors in a television all require heat sinks. Generally, when using a heat sink, a layer of thermal grease is applied to the contact surface between the electronic component and the heat sink to make the heat generated by the component more effectively conducted to the heat sink, and then dissipated into the surrounding air by the heat sink.

[0003] Currently, when existing heat sinks are in use, dust from the environment adheres to them, affecting their heat transfer efficiency. Therefore, a finned heat sink with rapid heat dissipation is proposed. Utility Model Content

[0004] The purpose of this invention is to provide a finned heat sink with a simple structure and reasonable design that can quickly dissipate heat in order to solve the above problems.

[0005] This utility model achieves the above objectives through the following technical solutions:

[0006] A finned heat sink capable of rapid heat dissipation includes a mounting plate and heat dissipation fins. A mounting bracket is fixedly connected to one side of the mounting plate. The heat dissipation fins are configured in multiple groups, and each group of heat dissipation fins is fixed to the mounting bracket by fixing bolts. Each group of heat dissipation fins penetrates the mounting plate and has through holes. A cleaning mechanism is attached to the outer surface of the heat dissipation fins.

[0007] As a further optimization of this utility model, all of the aforementioned heat dissipation fins are arranged at an angle.

[0008] As a further optimization of this utility model, the two adjacent sets of heat dissipation fins are arranged in a figure-eight shape.

[0009] As a further optimization of this utility model, the cleaning mechanism includes a cleaning frame that fits against the outer surface of the heat sink fins, and the cleaning frame can slide back and forth along the outer surface of the heat sink fins.

[0010] As a further optimization of this utility model, a servo motor is fixedly connected to one side of the mounting plate on the mounting frame, and a threaded rod is fixedly connected to the output end of the servo motor, with a displacement frame threaded through the threaded rod.

[0011] As a further optimization of this utility model, the cleaning frame is fixedly connected to the displacement frame, one end of the heat dissipation fin is fixedly connected to a fixing plate, the threaded rod is rotatably connected to the fixing plate, and the threaded rod passes through the mounting plate and is rotatably connected to the mounting plate.

[0012] The beneficial effects of this utility model are as follows: By using a servo motor, a threaded rod, a displacement frame, and a cleaning frame in combination, when it is necessary to clean the heat sink fins, the servo motor is started to rotate the threaded rod, and then the displacement frame drives the cleaning frame to move back and forth along the outer surface of the heat sink fins to remove the dust attached to the outer surface of the heat sink fins. This avoids the presence of dust affecting the heat conduction efficiency of the heat sink fins, thereby improving the heat dissipation efficiency of the heat sink fins. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall frontal three-dimensional structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the overall three-dimensional structure of the back of this utility model;

[0015] Figure 3 This is a three-dimensional structural diagram of the heat dissipation fins of this utility model;

[0016] Figure 4 This is a three-dimensional structural diagram of the cleaning frame of this utility model.

[0017] In the diagram: 1. Mounting plate; 2. Heat sink fins; 3. Through hole; 4. Mounting bracket; 5. Fixing bolt; 6. Servo motor; 7. Threaded rod; 8. Fixing plate; 9. Displacement bracket; 10. Cleaning frame. Detailed Implementation

[0018] The present application will now be described in further detail with reference to the accompanying drawings. It should be noted that the following specific embodiments are only used to further illustrate the present application and should not be construed as limiting the scope of protection of the present application. Those skilled in the art can make some non-essential improvements and adjustments to the present application based on the above application content.

[0019] Example: Figure 1 , Figure 2 and Figure 3As shown, a finned heat sink capable of rapid heat dissipation includes a mounting plate 1 and heat dissipation fins 2. The mounting plate 1 is used to install the heat sink on an appliance. A mounting bracket 4 is fixedly connected to one side of the mounting plate 1. The heat dissipation fins 2 are arranged in multiple groups, all of which are inclined. The adjacent groups of heat dissipation fins 2 are arranged in a figure-eight shape. This arrangement can accelerate the airflow between adjacent groups of heat dissipation fins 2, thereby enabling the airflow to better carry away heat and further improving the heat dissipation efficiency of the heat dissipation fins 2. The multiple groups of heat dissipation fins 2 are fixed to the mounting bracket 4 by fixing bolts 5. The fixing bolts 5 facilitate the maintenance and replacement of the multiple groups of heat dissipation fins 2. The multiple groups of heat dissipation fins 2 all penetrate the mounting plate 1. The multiple groups of heat dissipation fins 2 are provided with through holes 3. The through holes 3 allow airflow to pass through the heat dissipation fins 2, increasing the airflow between the heat dissipation fins 2 and reducing the probability of heat accumulation between the heat dissipation fins 2, further improving the heat dissipation efficiency of the heat dissipation fins 2. A cleaning mechanism is attached to the outer surface of the heat dissipation fins 2.

[0020] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the cleaning mechanism includes a cleaning frame 10 that fits against the outer surface of the heat sink fins 2. The cleaning frame 10 can slide back and forth along the outer surface of the heat sink fins 2. A servo motor 6 is fixedly connected to one side of the mounting plate 1 located on the mounting bracket 4. The servo motor 6 is controlled by a control system (the control system is existing technology and is not shown in the figure, so it will not be described in detail). The power supply method of the servo motor 6 is the same as that of the electrical appliances. A threaded rod 7 is fixedly connected to the output end of the servo motor 6. The threaded rod 7 passes through the mounting plate 1 and is rotatably connected to the mounting plate 1. A displacement bracket 9 is threadedly connected through the threaded rod 7. The cleaning frame 10 is fixedly connected to the displacement bracket 9. A fixing plate 8 is fixedly connected to one end of the heat sink fins 2. The fixing plate 8 is fixedly connected to only one of the heat sink fins 2 adjacent to the multiple sets of heat sink fins 2. The threaded rod 7 is rotatably connected to the fixing plate 8.

[0021] When it is necessary to clean the heat sink fins 2 regularly, the servo motor 6 is started in the forward direction, causing the threaded rod 7 to rotate in the forward direction. This causes the displacement frame 9 to drive the cleaning frame 10 to slide outward along the outer surface of the multiple sets of heat sink fins 2. After the cleaning frame 10 reaches the end of the heat sink fins 2, the servo motor 6 is started in the reverse direction, causing the threaded rod 7 to rotate in the reverse direction. This causes the displacement frame 9 to drive the cleaning frame 10 to slide inward along the outer surface of the multiple sets of heat sink fins 2 until the cleaning frame 10 is in contact with the mounting plate 1. Then the servo motor 6 can be turned off. This completes the cleaning operation on the outer surface of the heat sink fins 2, removes the dust attached to the outer surface of the heat sink fins 2, and prevents the presence of dust from affecting the heat conduction efficiency of the heat sink fins 2, thereby improving the heat dissipation efficiency of the heat sink fins 2.

[0022] The embodiments described above are merely examples of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.

Claims

1. A finned heat sink capable of rapid heat dissipation, comprising a mounting plate (1) and heat dissipation fins (2), characterized in that: A mounting bracket (4) is fixedly connected to one side of the mounting plate (1). The heat dissipation fins (2) are configured in multiple groups. All groups of heat dissipation fins (2) are fixed to the mounting bracket (4) by fixing bolts (5). All groups of heat dissipation fins (2) penetrate the mounting plate (1). All groups of heat dissipation fins (2) have through holes (3). A cleaning mechanism is attached to the outer surface of the heat dissipation fins (2).

2. The finned heat sink with rapid heat dissipation according to claim 1, characterized in that: All of the heat dissipation fins (2) are arranged at an angle.

3. The finned heat sink with rapid heat dissipation according to claim 2, characterized in that: The two adjacent sets of heat dissipation fins (2) are arranged in a figure-eight shape.

4. A finned heat sink capable of rapid heat dissipation according to claim 1, characterized in that: The cleaning mechanism includes a cleaning frame (10) that is attached to the outer surface of the heat dissipation fins (2), and the cleaning frame (10) can slide back and forth along the outer surface of the heat dissipation fins (2).

5. A finned heat sink capable of rapid heat dissipation according to claim 4, characterized in that: The mounting plate (1) is fixedly connected to a servo motor (6) on one side of the mounting bracket (4). The output end of the servo motor (6) is fixedly connected to a threaded rod (7), and a displacement bracket (9) is threaded through the threaded rod (7).

6. A finned heat sink capable of rapid heat dissipation according to claim 5, characterized in that: The cleaning frame (10) is fixedly connected to the displacement frame (9), and a fixing plate (8) is fixedly connected to one end of the heat dissipation fin (2). The threaded rod (7) is rotatably connected to the fixing plate (8), and the threaded rod (7) passes through the mounting plate (1) and is rotatably connected to the mounting plate (1).