Charging and discharging control method and related product

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By detecting the resistance value between the ground wire of the charging pile and the CC connection point, the problems of complex charging control logic and poor reliability in the prior art are solved, and more accurate and reliable charging and discharge control are achieved.

CN119749325APending Publication Date: 2025-04-04BYD CO LTD

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Patent Information

Application Number: CN202410547043.5
Authority / Receiving Office: CN · China
Patent Type: Applications(China)
Current Assignee / Owner
Filing Date: 2024-04-30
Publication Date: 2025-04-04

Application Information

Patent Timeline

30 Apr 2024

Application

CN202410547043.5

04 Apr 2025

Publication

CN119749325A

IPC: B60L53/62; B60L53/31; B60L55/00

CPC: Y02T10/7072; Y02T90/12; Y02T10/70

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Application Domain

Charging stations Electric power

Technology Topics

In vehicle Control theory

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AI Technical Summary

Technical Problem

The existing charging control methods have complex logic and poor reliability, making it difficult to accurately determine whether the on-board charger is in charging mode or discharge mode.

Method used

By detecting the resistance value of the resistor module between the ground wire of the charging pile and the CC connection point of the charging pile, it is determined whether the vehicle-mounted charger is in charging mode or discharge mode.

Benefits of technology

Improve the reliability of charge and discharge control, and ensure the accuracy and stability of the charging and discharge process.

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Abstract

The embodiment of the invention provides a charging and discharging control method and related products, and the method comprises the steps: detecting a resistance value of a resistance module between a ground wire of a charging pile and a CC connection point of the charging pile under the condition that a charging gun of the charging pile is inserted into a charging port of a vehicle; when the resistance value is in the first resistance value interval, determining that the vehicle-mounted charger is in a charging mode; and when the resistance value is in the second resistance value interval, the vehicle-mounted charger is determined to be in a discharging mode, and the first resistance value interval and the second resistance value interval do not coincide. According to the embodiment of the invention, the reliability of charge-discharge control can be improved.

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