CN220076155U

CN220076155U - New energy automobile rifle that charges convenient to equipment

Info

Publication number: CN220076155U
Application number: CN202321701314.5U
Authority: CN
Inventors: 孙亚飞; 杨鹏亮; 林仁松
Original assignee: Zhengzhou Saichuan Electronic Technology Co ltd
Current assignee: Zhengzhou Saichuan Electronic Technology Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2023-11-24
Anticipated expiration: 2033-06-30

Abstract

The utility model discloses a new energy automobile charging gun convenient to assemble, which comprises a charging gun main body, wherein the charging gun main body comprises a shell, a fixing piece bottom surface is arranged on the shell, a terminal via hole perpendicular to the fixing piece bottom surface is formed in the fixing piece bottom surface, a PCB (printed circuit board) is arranged on the fixing piece bottom surface, a 1.5 kiloohm resistor between a grounding terminal PE and a control signal terminal PP, a switching sleeve for the control signal terminal CP to be inserted, a connector male head and a signal wire connector which are connected with a connector female head at one end of a temperature sensor lead wire are integrated on the PCB, and a PE terminal via hole is formed in the PCB. The utility model omits the procedures of punching and connecting the temperature sensor and the signal wire and protecting the wire harness punching and clamping point by sleeving the heat shrinkage tube, and transfers the independent connection internal treatment of the signal wire in the gun head to a 6-bit connector.

Description

New energy automobile rifle that charges convenient to equipment

Technical Field

The utility model belongs to the field of new energy, and particularly relates to a new energy automobile charging gun convenient to assemble.

Background

The new energy electric vehicle is charged through the charging pile, the charging gun head of the charging pile is inserted into the automobile charging interface during charging, and the terminal in the charging gun head is contacted with the terminal in the charging interface to complete conductive connection.

The existing charging gun temperature sensor is mostly wrapped and arranged on a wire skin of a power terminal or a core wire crimping position of the power terminal by adopting a heat shrinkage tube, and needs to be in card punching connection with a gun wire signal wire in the charging gun (card punching connection means that 2 wires are clamped together by a U-shaped clamp), so that the assembly efficiency is low; the 1.5KΩ resistor between the PP terminal and the PE terminal adopts a lead co-pressing mode (two wires are pressed in one terminal) and two terminals for pressing, and the product production efficiency is low because the wire diameter difference of the PP wire and the PE wire is large and the press-connection equipment needs to be replaced for 2 times.

Disclosure of Invention

The utility model aims to solve the technical problems of disordered internal wiring of a gun head of a charging gun and low assembly efficiency, and provides a new energy automobile charging gun convenient to assemble.

The object of the utility model is achieved in the following way:

the utility model provides a new energy automobile rifle that charges convenient to equipment, the rifle that charges includes the rifle main part that charges, and sets up the face frame in the rifle front portion that charges; the charging gun main body comprises a shell, a fixing piece bottom surface is arranged on the shell, a terminal via hole perpendicular to the fixing piece bottom surface is formed in the fixing piece bottom surface, a PCB (printed circuit board) is arranged on the fixing piece bottom surface, a 1.5 kiloohm resistor between a grounding terminal PE and a control signal terminal PP, a switching sleeve for inserting the control signal terminal CP, a connector male head connected with a connector female head at one end of a temperature sensor lead and a signal wire connector are integrated on the PCB, a PE terminal via hole is formed in the PCB, a PE elastic piece is arranged at the PE terminal via hole, and the PE elastic piece comprises an elastic claw which is used for realizing conduction between the grounding terminal PE and the PCB; the male plug of the plug connector of the temperature sensor, the switching sleeve inserted by the control signal terminal PP and the switching sleeve inserted by the control signal terminal CP are respectively conducted to the signal wire connector through connecting circuits integrated on the PCB.

The signal wire connector is a 6-bit connector, and the connector male head of the temperature sensor is a 2-bit connector.

The 6-bit connector adopts a material number LS241V-3.81-6P-140-00A, and the 2-bit connector adopts a molex material number 53398-0271.

The adapter sleeve is provided with a containing groove for the terminal to be inserted, a connecting elastic piece is arranged in the containing groove, the connecting elastic pieces are symmetrically arranged and in interference fit with the inserted terminal, and the adapter sleeve plays a role in electric connection.

And the PCB is provided with connector male heads of 2 temperature sensors.

The utility model has the beneficial effects that: compared with the prior art, the utility model integrates the temperature sensor, the signal wires such as PP and CP and the 1.5KΩ resistor on 1 PCB board, and is connected with the charging gun signal wire through 1 6-bit connector, the 1.5KΩ resistor is arranged between the PP terminal and the elastic sheet, the PE terminal is connected with the PP terminal through the elastic sheet on the printed board, the procedures of punching card connection between the temperature sensor and the signal wire and heat shrink tube protection on the wire harness punching card point are omitted, and the signal wire is transferred to a 6-bit connector through the independent connection inside the gun head.

Drawings

Fig. 1 is a split schematic view of the whole structure of the charging gun of the present utility model.

Fig. 2 is an internal configuration view (excluding the case) of the charging gun body of the present utility model.

Fig. 3 is a schematic structural view of the PCB board of the present utility model.

Fig. 4 is a rear view of fig. 3.

Fig. 5 is a side view of fig. 3.

Fig. 6 is a schematic installation view of the adapter sleeve and the signal terminal in the present utility model.

Fig. 7 is an internal wiring diagram of the PCB board of the present utility model.

Wherein, 1-charging gun body; 2-face frame, 3-mounting bottom surface, 4-PCB board, 5-1.5 kiloohm resistance, 6-control signal terminal PP's adapter sleeve, 7-control signal terminal CP's adapter sleeve, 8-connector male, 9-signal line connector, 10-PE terminal via hole, 11-bullet claw, 12-holding tank, 13-connection shell fragment, 14-power terminal, 15-ground terminal PE, 16-control signal terminal PP, 17-control signal terminal CP, 18-signal line.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

As shown in fig. 1, the charging gun for the new energy automobile provided by the utility model is convenient to assemble, and comprises a charging gun main body 1 and a face frame 2 arranged at the front part of the charging gun; the charging gun main body comprises a shell, a fixing piece bottom surface 3 is arranged on the shell, and a terminal via hole perpendicular to the fixing piece bottom surface is formed in the fixing piece bottom surface 3.

As shown in fig. 2 to 5, a PCB board 4 is disposed on the bottom surface of the fixing member, a 1.5 kiloohm resistor 5 between a ground terminal PE and a control signal terminal PP, a transfer sleeve 6 for the control signal terminal PP inserted by the control signal terminal PP and the control signal terminal CP, a transfer sleeve 7 inserted by the control signal terminal CP, a male connector connected with a female connector at one end of a temperature sensor lead, and a signal wire connector 9 are integrated on the PCB board 4, a PE terminal via hole 10 is disposed on the PCB board, a PE elastic piece is disposed at the PE terminal via hole 10, the PE elastic piece includes an elastic claw 11, and the elastic claw is used for implementing conduction between the ground terminal PE and the PCB board.

As shown in fig. 7, the connector male 8 of the temperature sensor connector, the adapter sleeve 6 of the control signal terminal PP, and the adapter sleeve 7 into which the control signal terminal CP is inserted, which are disposed on the PCB board, are respectively conducted to the signal line connector 9 through the connection circuit integrated on the PCB board 4. The method comprises the following steps: one end of a grounding terminal PE is connected with one end of a 1.5 kiloohm resistor 5, the other end of the 1.5 kiloohm resistor 5 is connected with one end of a control signal terminal PP, the control signal terminal PP is conducted to a C3 point of a signal connector 9 through a connecting circuit on a PCB, the control signal terminal CP is conducted to a C4 point of the signal wire connector 9 through a connecting circuit on the PCB, and the positive pole and the negative pole of a temperature sensor T1 are conducted to a C1 point and a C2 point of the signal wire connector 9 through connecting circuits on the PCB respectively; the positive pole and the negative pole of the temperature sensor T2 are respectively conducted to the C5 point and the C6 point of the signal wire connector 9 through connecting circuits on the PCB.

The signal wire connector 9 is a 6-bit connector, and the 6-bit connector adopts Shanghai-nationality strapdown number LS241V-3.81-6P-140-00A.

The male connector of the temperature sensor on the PCB board adopts molex material numbers 53398-0271.

The switching sleeve 6 of the control signal terminal PP and the switching sleeve 7 for inserting the control signal terminal CP are respectively provided with a containing groove 12 for inserting the terminal, the inside of the containing groove 12 is provided with a connecting elastic sheet 13, and the connecting elastic sheets are symmetrically arranged and in interference fit with the inserted terminal to play a role in electric connection.

Two power terminals of the charging gun are respectively provided with a temperature sensor, and 2 connectors of the temperature sensors on the PCB are correspondingly arranged.

According to the utility model, the temperature sensor, the signal wires such as PP and CP and the 1.5KΩ resistor are integrated on 1 PCB board, and are connected with the charging gun signal wire 18 through 1 6-bit connector, the 1.5KΩ resistor is arranged between the PP terminal and the spring sheet, and the PE terminal is connected with the PP terminal through the spring sheet on the PCB board, so that the procedures of punching card connection between the temperature sensor and the signal wire and thermal shrinkage tube protection on the wire harness punching card point are omitted, and the single connection internal treatment of the signal wire inside the gun head is transferred to a 6-bit connector.

In the assembly process, an integrated PCB is mounted on the bottom surface 3 of a fixing piece on a charging gun main body, and is particularly mounted on one surface, close to a cable in the gun, of the bottom surface 3 of the fixing piece, a control signal terminal PP16 and a control signal terminal CP17 penetrate through a terminal through hole on the bottom surface 3 of the fixing piece to be connected with a switching sleeve on the PCB, a grounding terminal PE15 penetrates through a PE terminal through hole 10, a PE elastic sheet is arranged at the PE terminal through hole 10, and an elastic claw 11 of the PE elastic sheet is contacted with the grounding terminal PE to realize connection of the grounding terminal PE and a 1.5KΩ resistor on the PCB; the connector female heads of one ends of leads of the temperature sensors on the two power terminals 14 are connected with the connector male head 8 on the PCB in an inserting mode, the connector male head 8 of the temperature sensor connector on the PCB, the switching sleeve 6 of the control signal terminal PP and the switching sleeve 7 inserted by the control signal terminal CP are respectively conducted to different interface inserting points of the signal wire connector 9 through connecting circuits integrated on the PCB 4, the interface inserting points of the signal wire connector 9 are connected with signal wires in the charging gun, and one ends, connected with the connectors, of the signal wires 18 are round tube terminals with uniform specifications, are high in wire manufacturing efficiency and convenient to assemble.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several changes and modifications can be made without departing from the general inventive concept, and these should also be regarded as the scope of the utility model.

Claims

1. The utility model provides a new energy automobile rifle that charges convenient to equipment, the rifle that charges includes rifle main part (1) and sets up in the face frame (2) of rifle front portion that charges; the charging gun main body comprises a shell, a fixing piece bottom surface (3) is arranged on the shell, and a terminal via hole perpendicular to the fixing piece bottom surface (3) is formed in the fixing piece bottom surface (3), and the charging gun is characterized in that: the PCB (4) is arranged on the bottom surface (3) of the fixing piece, a 1.5 kiloohm resistor (5) between a grounding terminal PE (15) and a control signal terminal PP (16), a switching sleeve (6) of the control signal terminal PP, a switching sleeve (7) for inserting the control signal terminal CP, a connector male head (8) connected with a connector female head at one end of a temperature sensor lead and a signal wire connector (9) are integrated on the PCB (4), a PE terminal via hole (10) is arranged on the PCB (4), a PE elastic piece is arranged at the PE terminal via hole (10), the PE elastic piece comprises an elastic claw (11), and the elastic claw (11) is used for realizing conduction between the grounding terminal PE and the PCB; the plug connector male head (8), the switching sleeve (6) inserted by the control signal terminal PP (16) and the switching sleeve (7) inserted by the control signal terminal CP (17) of the temperature sensor are respectively conducted to the signal wire connector (9) through the connecting circuit integrated on the PCB (4).

2. The new energy automobile charging gun convenient to assemble according to claim 1, wherein: the signal wire connector (9) is a 6-bit connector, and the connector male head (8) of the temperature sensor is a 2-bit connector.

3. The new energy automobile charging gun convenient to assemble according to claim 2, wherein: the 6-bit connector adopts a material number LS241V-3.81-6P-140-00A, and the 2-bit connector adopts a molex material number 53398-0271.

4. The new energy automobile charging gun convenient to assemble according to claim 1, wherein: the adapter sleeve is provided with a containing groove (12) for the terminal to be inserted, a connecting elastic piece (13) is arranged in the containing groove (12), the connecting elastic pieces (13) are symmetrically arranged and in interference fit with the inserted terminal, and the adapter sleeve plays a role in electric connection.

5. The new energy automobile charging gun convenient to assemble according to claim 1, wherein: and 2 connector male heads of temperature sensors are arranged on the PCB (4).