Wireless energy supply device, brain-computer interface system and brain-computer interface device

By inverting and resonant compensation modules, transmitting coil arrays, and dynamic power path management, the problems of flexibility, transmission efficiency, and stability of wireless brain-computer interface power supply devices have been solved, achieving efficient and stable power supply and rapid response in various experimental scenarios.

CN122456784AActive Publication Date: 2026-07-24TIANJIN UNIV
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Patent Information

Application Number
CN202610883414.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-06-18
Publication Date
2026-07-24
Estimated Expiration
2046-06-18

AI Technical Summary

Technical Problem

Existing wireless brain-computer interface power supply devices are inadequate in terms of flexibility, transmission efficiency, electromagnetic radiation, stability, and target detection speed, making them difficult to adapt to changing experimental scenarios and rapidly moving experimental subjects.

Method used

The design includes an inverter and resonant compensation module, a transmitting coil array, a main control gating module, and a dynamic power path management module. By optimizing power supply through phase-shifted full-bridge control and resonant compensation network, combined with a coil polling strategy based on position prediction, flexible charging range, improved transmission efficiency, stable voltage, and fast response are achieved.

Benefits of technology

It achieves stable power supply in diverse experimental environments, improves charging efficiency, reduces electromagnetic radiation, ensures system stability and rapid target detection, and is adaptable to freely moving experimental objects.

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Abstract

The invention belongs to the field of brain-computer interfaces, and particularly relates to a wireless energy supply device, a brain-computer interface system and a brain-computer interface device.By constructing a reconfigurable transmitting array, charging areas of any shape and size can be flexibly constructed according to different experimental environments; a cooperative energy supply mechanism of a driving circuit based on phase-shifted full-bridge control (PSFB) and an LCC-S resonance compensation network is constructed; output power is adjusted through phase-shifted full-bridge control, and resonance parameter optimization is combined, so that zero voltage switching (ZVS) of a power device at a transmitting end is realized; a dynamic power supply management architecture is introduced, a charging mode is automatically entered when wireless energy is insufficient, and a receiving end and a lithium battery cooperatively supply power; a coil polling strategy based on position prediction is designed, and adjacent areas are preferentially detected to shorten target identification delay; according to the invention, the problem of unstable energy transmission in a free motion state is effectively solved, and the power supply reliability of the system is remarkably improved.
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