Isolated charging and discharging integrated gun control circuit and isolated charging and discharging integrated gun

By designing an isolated charge-discharge integrated gun control circuit, and using multiple modules to achieve charging and discharging control and isolation protection, the problems of discharge safety hazards and performance detection problems in the prior art are solved, and safe and efficient charging and discharging operation and multi-mode control are achieved.

CN115571014BActive Publication Date: 2025-03-18ZHUHE (XIAMEN) NEW ENERGY TECH CO LTD
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Patent Information

Application Number
CN202211361977.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-11-02
Publication Date
2025-03-18
Estimated Expiration
2042-11-02

AI Technical Summary

Technical Problem

The existing charging and discharging integrated gun control circuit has safety hazards when discharged, and it is difficult to achieve performance detection and isolation protection for charging and discharging.

Method used

An isolated charge and discharge integrated gun control circuit is designed, including a charging AC-DC isolation module, a discharge AC-DC isolation module, a MCU module, a contactor, a charge and discharge identification module, a CP signal generation and detection module and a CC control module, through which charge and discharge control and isolation protection are realized.

Benefits of technology

The safety control of the vehicle terminal receiving 220V or releasing 220V voltage is realized. Through the cooperation of the charging and discharging identification module and the CC control module, the automatic switching of charging and discharging is realized, which improves safety and supports three-in-one control of charging, V2L discharge and V2V discharge.

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Abstract

The present invention discloses an isolated charging and discharging integrated gun control circuit, including a charging AC-DC isolation module, a discharging AC-DC isolation module, an MCU module, a contactor, a charging and discharging identification module, a CP signal generation and detection module, and a CC control module; the charging AC-DC isolation module and the discharging AC-DC isolation module are used to power the MCU module; the contactor is used to control the on and off of the mains end and the first vehicle end; the charging and discharging identification module is used to identify the charging mode and the discharging mode, and transmit the signal to the MCU module; when the control switch of the CC control module is connected to the CC1 end, the CC1 resistor is connected to control the charging and discharging integrated gun to enter the charging state; when the CC2 end is connected, the CC2 resistor is connected to control the charging and discharging integrated gun to enter the discharging state and supply power to the outside. The present invention also discloses an isolated charging and discharging integrated gun, and the circuit of the present invention can realize charging and discharging in one, and the circuit realizes isolation protection during charging and discharging, thereby improving safety.
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