Flip type direct current socket for charging electric automobile

Abstract

The utility model relates to the technical field of direct current sockets, in particular to a flip type direct current socket for charging an electric automobile, which comprises a shell and a flip main body, the outer end of the flip main body is provided with a flip, the flip main body is internally provided with an integrated PCB (printed circuit board), and the integrated PCB is provided with a plurality of signal terminals, DC terminals and PE terminals. The two ends of the integrated PCB are further provided with temperature sensors, and the outer sides of the temperature sensors are coated with heat conduction silica gel. A DC socket pressing plate and a square wire are installed in the shell, the shell is connected with the flip cover body through a buckle, and the square wire is connected with the DC terminal. The signal part in the socket adopts stamping buckle conductive connection, an original fixing structure is applied to conductive connection, the cost is greatly saved, meanwhile, electronic components are respectively installed in the flip cover main body and the shell, the flip cover main body and the shell are subjected to buckle connection again, original split wiring harness assembly is adopted, and the cost is greatly reduced. Rapid installation is achieved through a pressing plate buckle structure, automatic production is achieved, and the assembling time is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of DC sockets, in particular to a flip-top DC socket for charging electric vehicles. Background Art

[0002] The car charging socket is an interface used to provide power input for electric vehicles or hybrid vehicles. It has different types and standards, such as common AC charging sockets and DC fast charging sockets (such as CCS sockets, CHAdeMO sockets, etc.). A high-quality car charging socket should have good conductivity, safety, durability and protection performance to ensure that the charging process is stable and reliable, while protecting the safety of vehicles and users.

[0003] At present, the internal signal part of the automotive DC charging socket mostly adopts a fixed connection structure and requires multiple sets of wiring harnesses for assembly, which takes a lot of time during assembly and increases the labor cost to a certain extent. Therefore, we propose a flip-top DC socket for electric vehicle charging to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that the internal signal part of the automobile DC charging socket in the prior art adopts a fixed connection structure, and multiple sets of wiring harnesses are required for assembly, which consumes a lot of time during assembly and increases the labor cost to a certain extent. A flip-top DC socket for charging an electric vehicle is proposed to solve the problem.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A flip-top DC socket for charging an electric vehicle comprises a shell and a flip-top body, wherein a flip-top is arranged at the outer end of the flip-top body, and an integrated PCB board is installed inside the flip-top body, and a plurality of signal terminals, a DC terminal and a PE terminal are installed on the integrated PCB board, and temperature sensors are also arranged at both ends of the integrated PCB board, and the outer side of the temperature sensors is coated with thermal conductive silica gel;

[0007] A DC socket pressing plate and a square wire are installed inside the shell, and the shell is connected to the flip cover body through a buckle, and the square wire is connected to the DC terminal.

[0008] As a preferred technical solution of the utility model, a signal adapter terminal for installing a signal terminal is provided on the integrated PCB board, and a socket terminal is provided on the rear side of the signal adapter terminal, a signal plug is provided on the socket terminal, and the signal plug is installed on the shell for external cable connection.

[0009] As a preferred technical solution of the utility model, a PE transfer spring for clamping the PE terminal is provided on the integrated PCB board, the PE transfer spring is electrically connected to the socket terminal, a resistor is provided on the connection circuit between the PE transfer spring and the socket terminal, and a contact piece compatible with the PE transfer spring is provided on the PE terminal.

[0010] As a preferred technical solution of the utility model, the outer ring of the DC socket pressure plate is provided with a waterproof ring, and the waterproof ring is installed inside the shell.

[0011] As a preferred technical solution of the utility model, a rubber pad is arranged on the inner side of the flip cover, and a snap-in seat matched with the flip cover is arranged on the flip cover body, so as to improve the sealing performance between the flip cover and the flip cover body after closing and reduce the entry of water vapor.

[0012] The beneficial effects of the utility model are:

[0013] The signal part of the socket adopts stamping buckle conductive connection, which is changed from the original fixed structure to conductive connection, which greatly saves costs. At the same time, by installing the electronic components into the flip cover body and the inside of the shell respectively, the flip cover body and the shell are snap-connected again. The original split wiring harness assembly now uses a pressure plate buckle structure to achieve quick installation, which is convenient for automatic production and saves assembly time. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of a flip-top DC socket for charging an electric vehicle proposed by the utility model;

[0015] Figure 2 This is a schematic diagram of the main view of a flip-top DC socket for charging an electric vehicle proposed by the utility model;

[0016] Figure 3 This is a schematic diagram of the rear view of a flip-top DC socket for charging an electric vehicle proposed by the utility model;

[0017] Figure 4 This is a schematic diagram of the internal connection structure of a flip-top DC socket for charging an electric vehicle proposed by the utility model;

[0018] Figure 5 This is a schematic structural diagram of the front side of a PCB board integrated in a flip-top DC socket for charging an electric vehicle proposed by the utility model;

[0019] Figure 6 The utility model is a schematic structural diagram of the back side of a PCB board integrated in a flip-top DC socket for charging an electric vehicle.

[0020] In the figure: 1. Shell; 2. Flip cover body; 3. Flip cover; 4. DC socket pressure plate; 5. Waterproof ring; 6. Integrated PCB board; 61. Thermal conductive silicone; 62. Temperature sensor; 63. Signal transfer terminal; 64. PE transfer spring; 65. Resistor; 7. Signal terminal; 8. DC terminal; 9. PE terminal; 10. Square wire; 11. Socket terminal; 12. Signal plug. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-6 A flip-top DC socket for charging an electric vehicle comprises a housing 1 and a flip-top body 2. Stainless steel bolt pads are arranged at the four corners of the flip-top body 2 to connect it with the vehicle body to play a waterproof, vibration-eliminating and loose-proof role. A flip-top 3 is arranged at the outer end of the flip-top body 2. A torsion spring is arranged at the rotation connection between the flip-top 3 and the flip-top body 2. A rubber pad is arranged on the inner side of the flip-top 3. The ribs on the rubber pad are matched with the end surface of the flip-top body 2 to improve the waterproof effect. A card connector adapted to the flip-top 3 is arranged on the flip-top body 2 to improve the sealing performance between the flip-top 3 and the flip-top body 2 after closing, reduce the entry of water vapor, and play a dustproof and waterproof effect. A damping is arranged at the hinged connection of the flip-top 3 to play an opening buffer.

[0023] Among them, an integrated PCB board 6 is installed inside the flip cover body 2, and a plurality of signal terminals 7, DC terminals 8 and PE terminals 9 are installed on the integrated PCB board 6. A claw is provided at the tail of the signal terminal 7, and the claw is interference fit with the signal terminal 7. Waterproof rubber is provided on the signal terminal 7, DC terminal 8 and PE terminal 9. The waterproof rubber cooperates with the flip cover body 2 and the shell 1 to waterproof the internal cavity. By changing the large waterproof rubber in the current structure into a plurality of small waterproof rubbers and installing them separately, the waterproof ring is retracted, which improves the waterproof effect and facilitates its assembly. Temperature sensors 62 are also provided at both ends of the integrated PCB board 6. The outer side of the temperature sensor 62 is coated with thermal conductive silicone 61. After the thermal conductive silicone 61 is sleeved on the integrated PCB board 6, the integrated PCB board 6 is placed in the shell 1. The setting of the thermal conductive silicone 61 can provide relatively stable heat transfer.

[0024] Secondly, a signal transfer terminal 63 for installing the signal terminal 7 is provided on the integrated PCB board 6, and a socket terminal 11 is provided on the rear side of the signal transfer terminal 63, and a signal plug 12 is provided on the socket terminal 11, and the signal plug 12 is installed on the housing 1 for external cable connection, and a PE transfer spring 64 for clamping the PE terminal 9 is provided on the integrated PCB board 6, and the PE transfer spring 64 is electrically connected to the socket terminal 11, and a resistor 65 is provided on the connection circuit between the PE transfer spring 64 and the socket terminal 11, and a contact piece adapted to the PE transfer spring 64 is provided on the PE terminal 9, and the PE terminal 9 is inserted in the PE transfer spring 64 for crimping connection. Compared with the existing method of connecting the PE transfer spring 64 and the socket terminal 11 through a wire, the connection circuit is provided on the integrated PCB board 6, thereby facilitating the assembly of the socket;

[0025] A DC socket pressure plate 4 and a square wire 10 are installed inside the shell 1. The DC socket pressure plate 4 is pressed on the integrated PCB board 6 and is connected and fixed by self-tapping screws. The outer ring of the DC socket pressure plate 4 is provided with a waterproof ring 5. The waterproof ring 5 is installed inside the shell 1 and the shell 1 has a sealed waterproof structure. The shell 1 is connected to the flip cover body 2 by a snap buckle, and the square wire 10 is connected to the DC terminal 8 by ultrasonic welding.

[0026] In this embodiment: by pre-installing the electronic components into the inside of the flip cover body 2 and the shell 1 respectively, the flip cover body 2 and the shell 1 are snap-connected again, so that the internal signal terminal 7 is connected to the signal plug 12, the DC terminal 8 is connected to the square wire 10, and finally the signal plug 12 is assembled to the socket terminal 11 to complete the electrical connection with the integrated PCB board 6, so that the socket is assembled. The signal part in the socket adopts a stamping snap conductive connection, and the original fixed structure is applied to the conductive connection, which greatly saves costs. At the same time, the original split wiring harness assembly is now assembled using a pressure plate snap structure to achieve rapid installation, automatic production, and save assembly time.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A flip-top DC socket for charging an electric vehicle, comprising a housing (1) and a flip-top body (2), characterized in that: The outer end of the flip cover body (2) is provided with a flip cover (3), and an integrated PCB board (6) is installed inside the flip cover body (2), a plurality of signal terminals (7), a DC terminal (8) and a PE terminal (9) are installed on the integrated PCB board (6), and temperature sensors (62) are also provided at both ends of the integrated PCB board (6), and the outer side of the temperature sensor (62) is coated with thermal conductive silica gel (61); A DC socket pressure plate (4) and a square wire (10) are installed inside the shell (1), and the shell (1) is connected to the flip cover body (2) by a snap-fit, and the square wire (10) is connected to the DC terminal (8).

2. A flip-top DC socket for charging an electric vehicle according to claim 1, characterized in that: The integrated PCB board (6) is provided with a signal transfer terminal (63) for mounting a signal terminal (7), and a socket terminal (11) is provided at the rear side of the signal transfer terminal (63), a signal plug (12) is provided on the socket terminal (11), and the signal plug (12) is mounted on the housing (1).

3. A flip-top DC socket for charging an electric vehicle according to claim 2, characterized in that: The integrated PCB board (6) is provided with a PE transfer spring (64) for clamping the PE terminal (9), the PE transfer spring (64) is electrically connected to the socket terminal (11), and a resistor (65) is provided on the connection circuit between the PE transfer spring (64) and the socket terminal (11).

4. A flip-top DC socket for charging an electric vehicle according to claim 1, characterized in that: The outer ring of the DC socket pressure plate (4) is provided with a waterproof ring (5), and the waterproof ring (5) is installed inside the housing (1).

5. The flip-top DC socket for charging an electric vehicle according to claim 1, characterized in that: A rubber pad is arranged on the inner side of the flip cover (3), and a snap-on seat matching the flip cover (3) is arranged on the flip cover body (2).

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