CN217009775U

CN217009775U - Direct current charging socket with shielding function and electric vehicle

Info

Publication number: CN217009775U
Application number: CN202220326031.6U
Authority: CN
Inventors: 黄明; 黎欢乐; 杨顺云
Original assignee: Yueqing Bada Optical Electrical Technology Co ltd
Current assignee: Yueqing Bada Optical Electrical Technology Co ltd
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2022-07-19
Anticipated expiration: 2032-02-18

Abstract

The utility model discloses a direct current charging socket with a shielding function and an electric vehicle. The technical scheme adopted comprises the following steps: the shell and establish terminal mounting in the shell, be equipped with two female terminals of DC in the terminal mounting at least, female terminal one end of DC is connected with the internal shield cable, two the front end of internal shield cable is close to female terminal department voltage-sharing of DC has shielding inner ring, the shielding outer loop of coaxial setting, the shielding layer setting of internal shield cable is in between shielding inner ring, the shielding outer loop is connected with the shielding shell fragment of installing in the shielding fixed plate, be connected with the circuit board on the shielding shell fragment, be connected with PE terminal, CC1 terminal on the circuit board.

Description

Direct current charging socket with shielding function and electric vehicle

Technical Field

The utility model belongs to the field of new energy electric automobiles, and particularly relates to a direct current charging socket.

Background

Be applied to the DC socket structure that charges of electric motor car, as the chinese utility model patent of the bulletin number of authorizing "CN 206195000U", the name is "a novel DC socket that charges" shows, include: the connector comprises a shell, and a CC1 terminal seat and a PE terminal seat which are arranged in the shell, wherein a detection device is detachably connected between the CC1 terminal seat and the PE terminal seat. The detection device includes: the terminal seat, be equipped with the PCB board on the terminal seat, install the chip resistor on the PCB board. And a PE terminal and a CC1 terminal are respectively arranged on the terminal base through a PE conductive mounting ring and a CC1 conductive mounting ring. There are disadvantages in that: 1. when the charging stand transmits signals, the charging stand is easily interfered by EMC (electro magnetic compatibility), and the normal transmission of the signals is influenced; 2. the structure is complicated, and the assembly is troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a direct current charging socket with a shielding function and an electric vehicle.

In order to solve the above problems, the technical scheme adopted by the utility model comprises: casing and establishing terminal mounting in the casing, be equipped with two DC female terminals in the terminal mounting at least, DC female terminal one end is connected its characterized in that with interior shielding cable: the front ends of the two inner shielding cables are close to the DC female terminal and are connected with a shielding inner ring and a shielding outer ring which are coaxially arranged in a voltage-sharing mode, a shielding layer of each inner shielding cable is arranged between the shielding inner ring and the shielding outer ring, the shielding outer ring is connected with a shielding elastic sheet arranged in a shielding fixing plate, a circuit board is connected onto the shielding elastic sheet, and a PE terminal and a CC1 terminal are connected onto the circuit board.

Take shielding function DC socket that charges, its characterized in that: the middle of the shielding elastic sheet is provided with a screw hole, the circuit board is connected with the screw hole of the shielding elastic sheet through a screw, and the circuit board is connected with the back and embedded into the shielding fixed plate.

Take shielding function DC socket that charges, its characterized in that: and the rear end of the shielding fixing plate is provided with a socket wire sealing body.

Take shielding function DC socket that charges, its characterized in that: the DC female terminal is provided with a DC end sealing ring, and the PE terminal is provided with a PE end sealing ring.

Take shielding function DC socket that charges, its characterized in that: a temperature sensor is arranged in the shell.

Take shielding function direct current socket that charges, its characterized in that: and the shielding fixing plate is provided with a group of terminal positioning grooves.

An electric vehicle, characterized in that: the electric vehicle is provided with any one of the direct current charging sockets with the shielding function.

The direct current charging socket with the shielding function and the electric vehicle have the advantages that: 1. the purpose of reducing electromagnetic interference is achieved by crimping the shielding rings (the shielding inner ring and the shielding outer ring) on the shielding cable and then by the contact with the shielding elastic sheet and the control of the circuit board, so that the charging process is more stable; 2. the circuit board occupies a small space, the wiring layout is simple, and the whole structure is more stable.

The utility model is further described below with reference to the accompanying drawings.

Drawings

Fig. 1 is an exploded view of a dc charging socket with shielding function according to the present invention;

fig. 2 is an assembly view of the DC female terminal, the inner shield cable, the shield spring and the shield ring according to the present invention;

FIG. 3 is an assembled cross-sectional view of the inner shield cable and shield ring of the present invention;

fig. 4 is an assembly diagram of the DC female terminal, the inner shielding cable, the shielding elastic sheet, the shielding ring, the shielding fixing plate and the circuit board according to the present invention;

fig. 5 is a schematic structural diagram of the shielding elastic sheet according to the present invention.

Detailed Description

Example 1:

referring to fig. 1-5, the DC charging socket with shielding function of the present invention includes a housing 1 and a terminal fixture 2 disposed in the housing 1, wherein two DC female terminals 3 and a group of 3mm terminals (including CC1 terminal, CC2 terminal, S + terminal, S-terminal, a + terminal and a-terminal) are disposed in the terminal fixture 2, and the DC female terminals 3 are power terminals, one is connected to a positive electrode, and the other is connected to a negative electrode. The end of the DC female terminal 3 is connected to an inner shield cable 4. The front ends of the two inner shielding cables 4 close to the DC female terminal 3 are connected with a shielding inner ring 5 and a shielding outer ring 6 which are coaxially arranged in a pressure-equalizing manner. The shielding layer 7 of the inner shielding cable 4 is arranged between the inner shielding ring 5 and the outer shielding ring 6. The shielding outer ring 6 is connected with a shielding elastic sheet 9 arranged in a shielding fixing plate 8. The shielding fixing plate 8 is an insulating member and is fixed in the housing 1. The shielding elastic sheet 9 is connected with a circuit board 10 and electrically connected with the circuit board, and the circuit board 10 is electrically connected with the rear ends of the PE terminal 11 and the CC1 terminal 12 through PE terminal mounting holes 20 and CC1 terminal mounting holes 21 at two ends respectively. The PE terminal 11 is a ground protection terminal, and the CC1 terminal 12 is a connection confirmation terminal. A resistor 15 for protection is connected between the PE terminal 11 and the CC1 terminal 12 via the wiring board 10. After the assembly, the tail cover 22 and the tapping screw 23 are attached to the housing 1 to be integrally fixed. When the charging socket is mated with the charging plug, the PE terminal 11 is grounded, and the CC1 terminal serves as a connection confirmation.

Preferably, a screw hole 13 is formed in the middle of the shielding elastic sheet 9, the circuit board 10 is connected with the screw hole 13 of the shielding elastic sheet 9 through a screw 14, and the circuit board 10 is embedded into the shielding fixing plate 8 after the connection. Through the structure, the circuit board occupies a small space, and the wiring layout is simple.

Preferably, a socket sealing line body 16 is arranged at the rear end of the shielding fixing plate 8, a DC end sealing ring 17 is arranged on the DC female terminal 3, a PE end sealing ring 18 is arranged on the PE terminal 11, and sealing rings are arranged on the 3mm terminal, so that the socket sealing line body 16, the DC end sealing ring 17, the PE end sealing ring 18 and the 3mm terminal can prevent water from entering the charging socket.

Preferably, a temperature sensor 19 is arranged in the housing 1 and used for detecting the temperature in the charging socket, and when the detected temperature is higher than a preset temperature, the charging socket stops charging.

Preferably, a set of terminal positioning grooves 24 is formed on the shielding fixing plate 8. The rear end of the 3mm terminal (including the CC2 terminal, the S + terminal, the S-terminal, the A + terminal and the A-terminal) is installed in the terminal positioning groove 24 of the shielding fixing plate 8 to play the roles of positioning and stopping.

Example 2:

the electric vehicle of the utility model is provided with the direct current charging socket with the shielding function in the embodiment 1 in the charging port.

As mentioned above, the present invention is not limited in any way, and although the present invention has been disclosed in the preferred embodiments, it is not limited thereto, and those skilled in the art can make various changes or modifications equivalent to the above-described structural and technical details without departing from the scope of the utility model.

Claims

1. The utility model provides a take shielding function direct current socket that charges, includes casing (1) and establishes terminal mounting (2) in casing (1), be equipped with two DC female terminal (3) at least in terminal mounting (2), DC female terminal (3) one end is connected its characterized in that with interior shielding cable (4): two the front end of internal shield cable (4) is close to DC female terminal (3) department voltage-sharing connects shielding inner ring (5), the shielding outer ring (6) of coaxial setting, shielding layer (7) of internal shield cable (4) set up between shielding inner ring (5), the shielding outer ring (6), shielding outer ring (6) are connected with shielding shell fragment (9) of installing in shielding fixed plate (8), be connected with circuit board (10) on shielding shell fragment (9), be connected with PE terminal (11), CC1 terminal (12) on circuit board (10).

2. The direct-current charging socket with the shielding function according to claim 1, wherein: the middle of shielding shell fragment (9) is equipped with screw hole (13), circuit board (10) pass through screw (14) with the screw hole (13) of shielding shell fragment (9) are connected, circuit board (10) are connected the back and are embedded into in shielding fixed plate (8).

3. The direct-current charging socket with the shielding function according to claim 1, wherein: and a socket wire sealing body (16) is arranged at the rear end of the shielding fixing plate (8).

4. The direct current charging socket with shielding function according to claim 1, wherein: and a DC end sealing ring (17) is arranged on the DC female terminal (3), and a PE end sealing ring (18) is arranged on the PE terminal (11).

5. The direct current charging socket with shielding function according to claim 1, wherein: a temperature sensor (19) is arranged in the shell (1).

6. The direct current charging socket with shielding function according to claim 1, wherein: and a group of terminal positioning grooves (24) are formed in the shielding fixing plate (8).

7. An electric vehicle, characterized in that: the electric vehicle is provided with the direct current charging socket with the shielding function according to any one of claims 1 to 6.