CN-224233081-U - Integrated plug and charging and discharging gun

CN224233081UCN 224233081 UCN224233081 UCN 224233081UCN-224233081-U

Abstract

The utility model discloses an integrated plug and a charging and discharging gun, the integrated plug comprises a shell, a metal inserted bar, an auxiliary control circuit board and a cable assembly, wherein the metal inserted bar comprises an L-level inserted bar, an N-level inserted bar, a PE-level inserted bar and at least one identification inserted bar, the auxiliary control circuit board comprises an MCU auxiliary control module, a leakage protection chip, a leakage detection module and a charging and discharging identification module, the leakage detection module is connected with the L-level inserted bar, the N-level inserted bar and the leakage protection chip, the leakage detection module detects the leakage condition and feeds back the leakage condition to the leakage protection chip, the charging and discharging identification module is electrically connected with the identification inserted bar, and the charging and discharging identification module identifies the level signal and feeds back the level signal to the MCU auxiliary control module to identify the charging and discharging state. According to the utility model, the leakage protection and charge-discharge identification functions are integrated on the plug, and the leakage protection is realized at the plug end, so that the electricity safety of the power supply to the cable at the gun body can be ensured.

Inventors

WANG GUIQUAN
Yan Shanmao
ZHANG XUEGONG

Assignees

厦门著赫电子科技有限公司

Dates

Publication Date: 20260512
Application Date: 20250527

Claims (8)

1. The integrated plug is connected with a gun body of the charge-discharge gun and is characterized by comprising a shell, a metal inserted rod arranged at the end part of the shell, a secondary control circuit board arranged in the shell and a cable assembly connected with the secondary control circuit board, wherein the cable assembly extends out of the shell; The metal inserted link comprises an L-level inserted link, an N-level inserted link, a PE-level inserted link and at least one identification inserted link, and the cable assembly comprises an L input line, an N input line and a PE input line; The auxiliary control circuit board comprises an MCU auxiliary control module, a leakage protection chip, a leakage detection module and a charge and discharge identification module; The electric leakage detection module is connected with the L-level inserted link, the N-level inserted link and the electric leakage protection chip, and is used for detecting the electric leakage condition and feeding back to the electric leakage protection chip; and the PE-level inserted link and the MCU auxiliary control module are connected with a PE input line.
2. The integrated plug of claim 1, wherein the cable assembly further comprises a communication line.
3. The integrated plug of claim 1, wherein the secondary control circuit board further comprises a temperature detection module, and the temperature detection module is connected with the MCU secondary control module.
4. The integrated plug of claim 1, wherein the cable assembly further comprises a power supply line, and the secondary control circuit board further comprises a voltage stabilizing circuit module, and the power supply line is connected with the voltage stabilizing circuit module and then connected to the MCU secondary control module.
5. The integrated plug of claim 1, wherein the secondary control circuit board further comprises an electric quantity detection module, and the electric quantity detection module is connected with the MCU secondary control module.
6. The integrated plug of claim 1, wherein the secondary control circuit board further comprises a lamp indication module, and the lamp indication module is connected with the MCU secondary control module.
7. The integrated plug of claim 1, wherein the leakage detection module is a metering current transformer.
8. A charge-discharge gun is characterized by comprising a gun body and the integrated plug according to any one of claims 1-7, wherein a cable assembly of the integrated plug is connected to the gun body in a pluggable manner or integrally connected with the gun body, a main control circuit board is arranged in the gun body, an MCU main control module is arranged on the main control circuit board, and the MCU main control module is in communication connection with an MCU auxiliary control module.

Description

Integrated plug and charging and discharging gun Technical Field The utility model relates to the technical field of charging and discharging of new energy automobiles, in particular to an integrated plug and a charging and discharging gun. Background The charge-discharge gun is a device with a charge or discharge function. In the process of charging and discharging, the butt joint fittings of the butt joint conversion head or the discharging socket are required to be subjected to identity recognition, so that the gun body executes corresponding charging or discharging operation, meanwhile, when the charging or discharging gun is charged or discharged, the gun head has over-high internal temperature and has potential safety hazards, therefore, the temperature is required to be monitored, and meanwhile, in order to further carry out multiple safety detections such as current, voltage and electric leakage detection. The existing charge-discharge gun is provided with a detection circuit in the gun body of the charge-discharge gun, and the gun body can detect in time, but the power safety of a cable from a power supply to a gun body part cannot be guaranteed. And the detection circuit is all arranged in the gun body of the charging gun, so that the circuit of the gun body is complex, the size of the circuit board is large, and the miniaturization design of the charging gun can not be realized. Disclosure of utility model The utility model aims to provide an integrated plug and a charging and discharging gun, which integrate the functions of leakage protection and charge and discharge identification and improve the safety. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The utility model discloses an integrated plug which is connected with a gun body of a charge-discharge gun and comprises a shell, a metal inserted rod arranged at the end part of the shell, a secondary control circuit board arranged in the shell and a cable assembly connected with the secondary control circuit board, wherein the cable assembly extends out of the shell. The metal inserted bar includes L level inserted bar, N level inserted bar, PE level inserted bar and at least one discernment inserted bar, cable subassembly includes L input line, N input line, PE input line. The auxiliary control circuit board comprises an MCU auxiliary control module, a leakage protection chip, a leakage detection module and a charge and discharge identification module. The electric leakage detection module is connected with the L-level inserted bar, the N-level inserted bar and the electric leakage protection chip, detects the electric leakage condition and feeds back to the electric leakage protection chip, the charge-discharge identification module is electrically connected with the identification inserted bar, and the charge-discharge identification module identifies the level signal and feeds back to the MCU auxiliary control module to identify the charge-discharge state. And the PE-level inserted link and the MCU auxiliary control module are connected with a PE input line. Further, the cable assembly further includes a communication line. Preferably, the auxiliary control circuit board further comprises a temperature detection module, and the temperature detection module is connected with the MCU auxiliary control module. Further, the cable assembly further comprises a power supply line, the auxiliary control circuit board further comprises a voltage stabilizing circuit module, and the power supply line is connected with the voltage stabilizing circuit module and then connected to the MCU auxiliary control module. The auxiliary control circuit board also comprises an electric quantity detection module, and the electric quantity detection module is connected with the MCU auxiliary control module. Preferably, the auxiliary control circuit board further comprises a lamp indication module, and the lamp indication module is connected with the MCU auxiliary control module. Preferably, the leakage detection module is a metering type current transformer. The utility model also discloses a charge-discharge gun which comprises a gun body and the integrated plug, wherein the cable component of the integrated plug is connected to the gun body in a pluggable manner, or the cable component of the integrated plug is integrally connected with the gun body. The gun is characterized in that a main control circuit board is arranged in the gun body, an MCU main control module is arranged on the main control circuit board, and the MCU main control module is in communication connection with an MCU auxiliary control module. After the technical scheme is adopted, the utility model has the following effects: 1. According to the utility model, the leakage protection and charge-discharge identification functions are integrated on the plug, and the leakage protection is realized at the plug end, so that the electricity safety