Quick heat dissipation metal vehicle-mounted charging head
By designing a fast-heat dissipation metal vehicle charger with an aluminum structure, the problems of insufficient power and heat dissipation in vehicle chargers are solved, achieving the effects of multi-protocol support, high power output, and convenient installation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN KOSUN IND
- Filing Date
- 2025-07-04
- Publication Date
- 2026-07-10
AI Technical Summary
Existing car chargers have limited and low power output, which cannot meet the fast charging needs of various digital products, and they also lack built-in heat dissipation components, making them inconvenient to use.
A fast-heat dissipation metal vehicle charger has been designed, featuring an aluminum upper cover, body, and lower cover connected by clips and plastic bolts. It incorporates a built-in PCB circuit board and control chip, supports multiple charging protocols, and achieves high power output and excellent heat dissipation.
It supports multiple charging protocols, has high power output, shortens charging time, has good heat dissipation, is small in size and light in weight, and is easy to install and low in cost.
Smart Images

Figure CN224481488U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of vehicle charging head technology, specifically relating to a fast-heat dissipation metal vehicle charging head. Background Technology
[0002] Although car power adapters are widely used in people's lives, some are used to power car outdoor units, while others are used as chargers to charge people's digital products. Although car power adapters can bring a lot of convenience, their limited power range cannot meet the fast charging needs of various digital products or the power supply of various car outdoor units. Therefore, they bring anxiety to people who are traveling and using various digital products. Many car adapters are now encased in PC shells. Due to various constraints, high-power car chargers cannot have built-in heat dissipation components. Utility Model Content
[0003] To address the problems mentioned in the background section, this invention provides a fast-heat dissipation metal vehicle charger, characterized by excellent heat dissipation, small size, and light weight.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a fast-heat dissipation metal vehicle charger, comprising a body, wherein a PCB circuit board is installed inside the body, a USB port is provided on one side of the upper end of the PCB circuit board, a Type-C port is provided on the other side of the upper end of the PCB circuit board, a top cover is installed on the top of the body, a spring is connected to the lower end of the PCB circuit board, a spring contact is connected to the side of the PCB circuit board, a bottom cover is connected to the bottom of the body, and a spring cap is provided at the bottom of the bottom cover. The PCB circuit board is provided with a control chip, a frequency modulation circuit for controlling the output, and a constant current circuit for controlling the input.
[0005] Preferably, the lower end of the spring is always in contact with the spring cap, and the upper end of the spring is electrically connected to the PCB circuit board.
[0006] Preferably, the upper cover, body, and lower cover are all made of aluminum.
[0007] Preferably, the top cover is connected to the body by a snap fastener.
[0008] Preferably, the lower cover is fixed to the body by a plastic bolt threaded connection.
[0009] Compared with the prior art, the beneficial effects of this utility model are:
[0010] This utility model supports multiple different charging protocols and voltage outputs, which can meet the charging / power supply needs of various devices; high power output, significantly shortening charging time; good heat dissipation, small size, and light weight. The upper cover is connected to the body by a buckle, and the lower cover is fixed to the body by a plastic bolt thread connection, making installation convenient and cost-effective. The upper cover, body, and lower cover are all made of aluminum structure, which greatly reduces the size and weight while meeting the heat dissipation function. Attached Figure Description
[0011] Figure 1 This is an exploded view of the structure of this utility model;
[0012] Figure 2 This is an assembly cross-sectional view of the present invention;
[0013] Figure 3 This is a schematic diagram of the assembly structure of this utility model;
[0014] In the picture: 1. Top cover; 2. Body; 3. USB port; 4. Type-C port; 5. PCB circuit board; 6. Spring; 7. Spring; 8. Plastic bolt; 9. Bottom cover; 10. Spring cap. Detailed Implementation
[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0016] Example 1
[0017] Please see Figure 1-3 The present invention provides the following technical solution: a fast heat dissipation metal car charger, including a body 2, a PCB circuit board 5 installed inside the body 2, a USB port 3 provided on one side of the upper end of the PCB circuit board 5, a type-c port 4 provided on the other side of the upper end of the PCB circuit board 5, a top cover 1 installed on the top of the body 2, a spring 7 connected to the lower end of the PCB circuit board 5, a spring piece 6 connected to the side of the PCB circuit board 5, a bottom cover 9 connected to the bottom of the body 2, a spring cap 10 provided at the bottom of the bottom cover 9, and a control chip, a frequency modulation circuit for controlling the output, and a constant current circuit for controlling the input are provided on the PCB circuit board 5.
[0018] Specifically, the lower end of spring 7 is always in contact with spring cap 10, and the upper end of spring 7 is electrically connected to PCB circuit board 5.
[0019] By adopting the above technical solutions, stable power supply is ensured, guaranteeing the charging and power supply of various devices.
[0020] Specifically, the top cover 1, the body 2, and the bottom cover 9 are all made of aluminum.
[0021] By adopting the above technical solutions, the volume and weight can be greatly reduced while still meeting the heat dissipation function.
[0022] Specifically, the top cover 1 and the body 2 are connected by a snap-fit mechanism.
[0023] By adopting the above technical solution, installation is convenient and quick, and the parts are not easy to fall off.
[0024] Specifically, the lower cover 9 is fixed to the body 2 by a threaded connection of plastic bolts 8.
[0025] By adopting the above technical solution, it is easy to assemble and fix quickly, and it is not easy to separate.
[0026] The working principle and usage process of this utility model are as follows: When this utility model is used, the transformer on the PCB circuit board 5 is used to adjust the magnitude and frequency of the input voltage, converting the AC power into a voltage and frequency suitable for charging. Then, the AC power suitable for charging is converted into DC power by the rectifier. Then, the control chip on the PCB circuit board 5 identifies and allocates the voltage and current suitable for the current device. The charging and power supply of various devices are provided through the USB port 3 and the Type-C port 4. The upper cover 1 and the body 2 are connected by a buckle, and the lower cover 9 and the body 2 are fixed by a plastic bolt 8 threaded connection. The installation is convenient and the cost is low. The upper cover 1, the body 2 and the lower cover 9 are all made of aluminum structure, which greatly reduces the size and weight while meeting the heat dissipation function.
[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A fast-heat dissipation metal vehicle charger, comprising a body (2), characterized in that: The body (2) is equipped with a PCB circuit board (5). A USB port (3) is provided on one side of the upper end of the PCB circuit board (5), and a type-c port (4) is provided on the other side of the upper end of the PCB circuit board (5). A top cover (1) is installed on the top of the body (2). A spring (7) is connected to the lower end of the PCB circuit board (5). A spring piece (6) is connected to the side of the PCB circuit board (5). A bottom cover (9) is connected to the bottom of the body (2). A spring cap (10) is provided at the bottom of the bottom cover (9). The PCB circuit board (5) is equipped with a control chip, a frequency modulation circuit for controlling the output, and a constant current circuit for controlling the input.
2. The fast-heat dissipation metal vehicle charging head according to claim 1, characterized in that: The lower end of the spring (7) is always in contact with the spring cap (10), and the upper end of the spring (7) is electrically connected to the PCB circuit board (5).
3. The fast-heat dissipation metal vehicle charging head according to claim 1, characterized in that: The upper cover (1), body (2) and lower cover (9) are all made of aluminum.
4. The fast-heat dissipation metal vehicle charging head according to claim 1, characterized in that: The top cover (1) is connected to the body (2) by a snap fastener.
5. The fast-heat dissipation metal vehicle charging head according to claim 1, characterized in that: The lower cover (9) is fixed to the body (2) by a plastic bolt (8) threaded connection.