An electric vehicle damping and energy recovery integrated system using a power battery pack as a mass damper and a control method thereof

By using the power battery pack as the mass block of a tuned mass damper, combined with elastic support and linear generating damper, vibration reduction and energy recovery of electric vehicles are integrated, solving the problem of vibration affecting driving comfort and range of electric vehicles, and improving battery life and driving range.

CN122402271APending Publication Date: 2026-07-17王清伟
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
王清伟
Filing Date
2026-04-28
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The current installation method of electric vehicle power battery packs does not fully utilize their structural advantages, resulting in vehicle body vibration that affects driving comfort and safety, as well as low energy recovery efficiency, short battery life, and insufficient driving range.

Method used

By using the power battery pack as the mass block of the tuned mass damper, combined with elastic support, linear generating damper and battery management system, the vehicle body vibration reduction, energy recovery and battery protection are integrated, and the damping force and energy recovery process are optimized through intelligent control.

Benefits of technology

It achieves vibration reduction and energy recovery without the need for additional counterweights, increases driving range by 5% to 10%, significantly extends battery life, improves driving comfort and safety, simplifies system structure, and reduces energy consumption.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a kind of electric vehicle damping and energy recovery integration system and control method using power battery pack as mass damper, the present application will power battery pack as the mass block of tuned mass damper, by flexible mounting battery pack in the bottom of vehicle body frame through elastic support component and linear power damper, constitute complete tuned mass damping system.In the process of driving, the vibration of vehicle body drives linear power damper to generate electricity, converts damping energy into electric energy, and charges to power battery pack after processing by rectification voltage stabilizing module.Battery management system real-time acquisition vehicle body vibration, battery pack displacement and battery SOC signal, adaptive adjustment damping force and energy recovery power, realize the collaborative control of damping and energy recovery.The present application does not need additional counterweight, can effectively suppress vehicle body vibration, improve ride comfort, recover vibration energy to prolong the range, while flexible installation reduces impact damage, prolongs battery life, suitable for various electric vehicles.
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