Power supply device based on radio waves and electronic equipment

Through innovative design of cavity antenna and power supply circuit, the problem of low received energy in wireless power supply technology has been solved, achieving efficient power supply, extending the device's battery life and improving the user experience.

CN120955922APending Publication Date: 2025-11-14NANCHANG HUAQIN ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202511329020.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-17
Publication Date
2025-11-14

AI Technical Summary

Technical Problem

Existing wireless power supply technologies based on radio waves receive too little energy, making it difficult to meet the continuous operating needs of small electronic devices, resulting in poor device efficiency and user experience.

Method used

A cavity antenna is used to capture radio waves, and the electrical signals are converted into electrical energy through an impedance matching circuit, a DC/DC conversion circuit, and an energy storage circuit. The energy is stored in an aluminum alloy metal box and a supercapacitor, which improves the efficiency and stability of energy collection.

Benefits of technology

It significantly enhances the ability to capture radio waves, provides a more stable and sufficient power supply, extends device battery life, and improves user experience and device convenience.

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Abstract

The invention relates to the technical field of wireless power supply, and discloses a power supply device based on radio waves and electronic equipment, the capability of capturing the radio waves in the environment can be remarkably enhanced by capturing the radio waves by adopting a cavity antenna, and compared with a traditional antenna structure, the cavity antenna has the advantages that by means of the unique resonance characteristic and the electromagnetic field concentration effect of the cavity antenna, the power supply efficiency is improved. According to the invention, dispersed radio wave energy can be converted into electric signals more efficiently, so that the energy collection efficiency is greatly improved, the problem that the received energy is too low in the existing radio wave wireless power supply technology is effectively solved, more stable and sufficient power supply is provided for small electronic equipment, the endurance time is effectively prolonged, and the user experience and the equipment convenience are improved.
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