BYD's innovative patent realizes intelligent management of vehicle batteries and overcomes low-temperature starting difficulties

BYD Co., Ltd. recently successfully obtained an eye-catching patent titled "Vehicle Power Maintenance Control Method and Computer Equipment." The patent application was started in July 2020 and after a long period of research and development and review, it was finally approved. Obtaining this patent will further promote BYD's technological innovation and development in the field of automobile manufacturing.

The core of this patent is an innovative battery charging and discharging logic. Unlike the traditional method of determining critical conditions for battery conversion that relies on artificially set fixed values or factory-preset fixed values, BYD has adopted a more intelligent approach. It is understood that this method sets the battery's power preservation mode based on the prediction of the lowest temperature in the future period. By predicting temperature changes, the battery can be charged and discharged according to actual conditions to improve battery performance and life. This intelligent charging and discharging logic will make battery use more intelligent and efficient.

This power maintenance control method first predicts the lowest temperature in the future period, and then selects one of two power maintenance modes based on the prediction results: forced power maintenance mode or intelligent power maintenance mode. This intelligent management method improves battery usage efficiency while ensuring stable battery performance under various environmental conditions.

Through advanced power preservation control methods, the vehicle battery can reliably start the electric motor in the future period, especially under harsh low temperature conditions. In this case, the battery will automatically switch to the corresponding power preservation mode to ensure that the vehicle can start and operate normally. This innovative technology effectively solves the problem of the motor and engine being unable to start under extreme weather conditions, providing car owners with a more convenient and reliable car experience.

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