PCB (printed circuit board) and alpha coil transformer with heat dissipation function

By installing heat sinks and fans on the PCB board and combining them with intelligent temperature sensor adjustment, the problem of poor heat dissipation in the Alpha coil transformer was solved, improving transformer performance and lifespan, as well as enhancing electrical signal quality and PCB board corrosion resistance.

CN223942894UActive Publication Date: 2026-02-24SHENZHEN HAOYANG ELECTRONIC TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520417961.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-02-24
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

In the existing technology, the heat generated by the alpha coil transformer during operation cannot be effectively dissipated, resulting in excessively high temperatures that affect the transformer's performance and lifespan. At the same time, the heat dissipation effect between the PCB board and the alpha coil transformer is poor.

Method used

A PCB board with heat dissipation function was designed, which includes a heat sink and a cooling fan. The heat sink is in contact with the surface of the alpha coil transformer, the fan accelerates the airflow to remove heat, and the fan speed is intelligently adjusted by a temperature sensor. The heat sink is made of aluminum alloy and the ferrite core is combined to improve heat dissipation efficiency.

Benefits of technology

It effectively reduces the temperature of the alpha coil transformer, improves the transformer's performance and lifespan, achieves intelligent heat dissipation, saves energy, and improves the quality of electrical signals and the corrosion resistance of the PCB board through protective coatings and filtering circuits.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of high-frequency transformers, and particularly relates to a PCB (printed circuit board) and alpha coil transformer with a heat dissipation function and a PCB, the PCB is provided with circuit wiring, and the circuit wiring is used for transmitting electric signals; the alpha coil transformer is connected with the PCB, the alpha coil transformer comprises a primary coil, a secondary coil and a magnetic core, and the primary coil and the secondary coil are wound on the magnetic core; the cooling structure is arranged on the PCB, the cooling structure comprises cooling fins and a cooling fan, the cooling fins are in contact with the surface of the alpha coil transformer, the cooling fan is arranged on one side of the cooling fins, and the cooling fan is used for accelerating air flow and taking away heat on the cooling fins.
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Description

Technical Field

[0001] This utility model belongs to the field of high-frequency transformer technology, specifically relating to a PCB board transformer with heat dissipation function and an alpha coil. Background Technology

[0002] With the continuous development of electronic technology, the performance requirements for transformers are becoming increasingly stringent. Alpha coil transformers, due to their unique structure and performance, are widely used in electronic devices. However, alpha coil transformers generate a significant amount of heat during operation. If this heat is not dissipated in time, the transformer temperature will become excessively high, affecting its performance and lifespan. Furthermore, existing PCB boards also suffer from poor heat dissipation when used with alpha coil transformers. Therefore, a PCB board with heat dissipation capabilities combined with an alpha coil transformer is needed to solve these problems. Utility Model Content

[0003] To address the aforementioned shortcomings in the existing technology, this utility model provides a PCB board with heat dissipation function and an alpha coil transformer to solve the problems mentioned in the background technology.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0005] A PCB board with heat dissipation function and an alpha coil transformer, wherein the PCB board has circuit wiring for transmitting electrical signals;

[0006] An alpha coil transformer is connected to a PCB board. The alpha coil transformer includes a primary coil, a secondary coil, and a magnetic core. The primary coil and the secondary coil are wound on the magnetic core.

[0007] A heat dissipation structure is disposed on the PCB board. The heat dissipation structure includes a heat sink and a cooling fan. The heat sink is in contact with the surface of the alpha coil transformer. The cooling fan is disposed on one side of the heat sink and is used to accelerate airflow and remove heat from the heat sink.

[0008] Furthermore, the surface of the heat sink is provided with multiple heat dissipation fins, which are used to increase the heat dissipation area.

[0009] Furthermore, a temperature sensor is also provided on the PCB board. The temperature sensor is used to detect the temperature of the alpha coil transformer. The temperature sensor is electrically connected to the cooling fan. When the temperature detected by the temperature sensor exceeds a preset value, the cooling fan is activated.

[0010] Furthermore, the magnetic core is made of ferrite material, and the shape of the magnetic core is E-shaped or U-shaped.

[0011] Furthermore, the surface of the PCB board is provided with a protective coating, which is used to prevent the PCB board from being corroded and oxidized.

[0012] Furthermore, the heat sink is made of aluminum alloy, and the primary and secondary coils of the alpha coil transformer are made of enameled wire, the diameter of which is selected according to the power of the alpha coil transformer.

[0013] Compared with the prior art, this utility model has the following advantages:

[0014] 1. This invention employs a heat dissipation structure, including a heat sink and a cooling fan. The heat sink contacts the surface of the alpha coil transformer, and the cooling fan accelerates airflow to remove heat from the heat sink, effectively reducing the temperature of the alpha coil transformer and improving its performance and lifespan. The heat sink is made of aluminum alloy with multiple cooling fins on its surface, increasing the heat dissipation area and improving efficiency. The cooling fan speed is adjustable, regulating according to the temperature of the alpha coil transformer, achieving intelligent heat dissipation and saving energy.

[0015] 2. A temperature sensor is installed on the PCB board. When the temperature exceeds a preset value, the cooling fan starts, further improving the timeliness and accuracy of heat dissipation. The primary and secondary coils of the Alpha coil transformer are wound with enameled wire, and the wire diameter is selected according to the power to ensure the transformer's performance. The magnetic core is made of ferrite material, with an E-shape or U-shape, which improves the magnetic permeability and reduces hysteresis loss. A filter circuit is installed on the PCB board to filter out noise in the electrical signal, improving the signal quality. A protective coating is applied to the PCB board surface to prevent corrosion and oxidation, extending the PCB board's lifespan. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram (view 1) of an embodiment of a PCB board with heat dissipation function and an alpha coil transformer according to the present invention.

[0017] Figure 2 This is a three-dimensional structural diagram (perspective two) of an embodiment of a PCB board with heat dissipation function and an alpha coil transformer according to this utility model;

[0018] Figure 3 This is a three-dimensional structural diagram (view 3) of an embodiment of a PCB board with heat dissipation function and an alpha coil transformer according to the present invention;

[0019] Figure 4This is a three-dimensional structural diagram (perspective four) of an embodiment of a PCB board with heat dissipation function and an alpha coil transformer according to this utility model.

[0020] The reference numerals in the accompanying drawings include:

[0021] 1. PCB board; 2. Alpha coil transformer; 21. Primary coil; 22. Secondary coil; 23. Magnetic core; 3. Heat dissipation structure; 31. Heat sink; 311. Heat dissipation fins; 32. Cooling fan; 4. Temperature sensor. Detailed Implementation

[0022] To enable those skilled in the art to better understand this utility model, the technical solution of this utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0023] A PCB board with heat dissipation function and an alpha coil transformer, wherein the PCB board has circuit wiring for transmitting electrical signals;

[0024] An alpha coil transformer is connected to a PCB board. The alpha coil transformer includes a primary coil, a secondary coil, and a magnetic core. The primary coil and the secondary coil are wound on the magnetic core.

[0025] A heat dissipation structure is disposed on the PCB board. The heat dissipation structure includes a heat sink and a cooling fan. The heat sink is in contact with the surface of the alpha coil transformer. The cooling fan is disposed on one side of the heat sink and is used to accelerate airflow and remove heat from the heat sink.

[0026] Furthermore, the surface of the heat sink is provided with multiple heat dissipation fins, which are used to increase the heat dissipation area.

[0027] Furthermore, a temperature sensor is also provided on the PCB board. The temperature sensor is used to detect the temperature of the alpha coil transformer. The temperature sensor is electrically connected to the cooling fan. When the temperature detected by the temperature sensor exceeds a preset value, the cooling fan is activated.

[0028] Furthermore, the magnetic core is made of ferrite material, and the shape of the magnetic core is E-shaped or U-shaped.

[0029] Furthermore, the surface of the PCB board is provided with a protective coating, which is used to prevent the PCB board from being corroded and oxidized.

[0030] Furthermore, the heat sink is made of aluminum alloy, and the primary and secondary coils of the alpha coil transformer are made of enameled wire, the diameter of which is selected according to the power of the alpha coil transformer.

[0031] Example 1:

[0032] like Figure 1-4 As shown, this utility model specifically includes a PCB board with heat dissipation function and an alpha coil transformer, comprising:

[0033] PCB board 1, wherein circuit wiring is provided on the PCB board 1, and the circuit wiring is used to transmit electrical signals;

[0034] Alpha coil transformer 2 is disposed on the PCB board 1. The alpha coil transformer 2 includes a primary coil 21, a secondary coil 22 and a magnetic core 23. The primary coil 21 and the secondary coil 22 are wound on the magnetic core 23.

[0035] Heat dissipation structure 3 is disposed on the PCB board 1. The heat dissipation structure 3 includes a heat sink 31 and a cooling fan 32. The heat sink 31 is in contact with the surface of the alpha coil transformer 2. The cooling fan 32 is disposed on one side of the heat sink 31. The cooling fan 32 is used to accelerate airflow and remove heat from the heat sink 31.

[0036] The heat sink 31 is made of aluminum alloy, and the surface of the heat sink 31 is provided with a plurality of heat dissipation fins 311, which are used to increase the heat dissipation area.

[0037] The cooling fan 32 is fixed to the PCB board 1 by screws. The speed of the cooling fan 32 is adjustable and is adjusted according to the temperature of the alpha coil transformer 2.

[0038] The PCB board 1 is also equipped with a temperature sensor 4, which is used to detect the temperature of the alpha coil transformer 2. The temperature sensor 4 is electrically connected to the cooling fan 32. When the temperature detected by the temperature sensor 4 exceeds a preset value, the cooling fan 32 is started.

[0039] The primary coil 21 and secondary coil 22 of the alpha coil transformer 2 are made of enameled wire, and the wire diameter of the enameled wire is selected according to the power of the alpha coil transformer 2.

[0040] The magnetic core 23 is made of ferrite material and is E-shaped or U-shaped.

[0041] The PCB board 1 is also provided with a filter circuit 5, which is used to filter out noise in the electrical signal. The filter circuit 5 is electrically connected to the alpha coil transformer 2.

[0042] The surface of the PCB board 1 is provided with a protective coating, which is used to prevent the PCB board 1 from being corroded and oxidized.

[0043] Working principle: When the Alpha coil transformer 2 operates, it generates heat, which is transferred to the heat sink 31. The cooling fan 32 accelerates airflow, carrying away the heat from the heat sink 31, thereby reducing the temperature of the Alpha coil transformer 2. The temperature sensor 4 monitors the temperature of the Alpha coil transformer 2 in real time. When the temperature exceeds a preset value, the cooling fan 32 starts; when the temperature drops below the preset value, the cooling fan 32 stops working. The filter circuit 5 filters out noise in the electrical signal, improving the quality of the electrical signal. The protective coating prevents the PCB board 1 from being corroded and oxidized.

[0044] The above are merely embodiments of this utility model. The circuits, electronic components, and modules involved are all prior art, fully achievable by those skilled in the art, and require no further explanation. The content protected by this application does not involve improvements to the software or methods. Commonly known structures and characteristics in the solution are not described in detail here. Those skilled in the art are aware of all common technical knowledge in the field to which this utility model pertains prior to the application date or priority date, are able to access all existing technologies in that field, and possess the ability to apply conventional experimental methods prior to that date. Those skilled in the art can, under the guidance of this application, improve and implement this solution in conjunction with their own capabilities. Some typical known structures or methods should not be obstacles for those skilled in the art to implement this application. It should be noted that those skilled in the art can make several modifications and improvements without departing from the structure of this utility model. These should also be considered within the scope of protection of this utility model, and will not affect the effectiveness of the implementation of this utility model or the practicality of the patent.

Claims

1. A PCB board with heat dissipation function and an alpha coil transformer, characterized in that: A PCB board, wherein circuit wiring is provided on the PCB board, and the circuit wiring is used to transmit electrical signals; An alpha coil transformer is connected to a PCB board. The alpha coil transformer includes a primary coil, a secondary coil, and a magnetic core. The primary coil and the secondary coil are wound on the magnetic core. A heat dissipation structure is disposed on the PCB board. The heat dissipation structure includes a heat sink and a cooling fan. The heat sink is in contact with the surface of the alpha coil transformer. The cooling fan is disposed on one side of the heat sink and is used to accelerate airflow and remove heat from the heat sink.

2. The PCB board with heat dissipation function and alpha coil transformer as described in claim 1, characterized in that: The surface of the heat sink is provided with multiple heat dissipation fins, which are used to increase the heat dissipation area.

3. A PCB board with heat dissipation function and an alpha coil transformer as described in claim 2, characterized in that: The PCB board is also equipped with a temperature sensor, which is used to detect the temperature of the alpha coil transformer. The temperature sensor is electrically connected to the cooling fan. When the temperature detected by the temperature sensor exceeds a preset value, the cooling fan is activated.

4. A PCB board with heat dissipation function and an alpha coil transformer as described in claim 3, characterized in that: The magnetic core is made of ferrite material and is E-shaped or U-shaped.

5. A PCB board with heat dissipation function and an alpha coil transformer as described in claim 4, characterized in that: The PCB board has a protective coating on its surface, which is used to prevent the PCB board from being corroded and oxidized.

6. A PCB board with heat dissipation function and an alpha coil transformer as described in claim 5, characterized in that: The heat sink is made of aluminum alloy, and the primary and secondary coils of the alpha coil transformer are made of enameled wire, the diameter of which is selected according to the power of the alpha coil transformer.