An experimental device for improving electromagnetic energy conversion efficiency based on LCR circuit

By employing a square ring-shaped planar disc coil and an LCC-S type compensation circuit, the experimental setup solves the problems of uneven magnetic field distribution, low coupling efficiency, and high high-frequency loss in traditional devices, achieving accurate measurement and efficient energy conversion, and is suitable for university physics experimental teaching.

CN122116731APending Publication Date: 2026-05-29SHAANXI UNIV OF SCI & TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHAANXI UNIV OF SCI & TECH
Filing Date
2026-02-11
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing electromagnetic induction experimental devices have shortcomings in terms of measurement accuracy, precise control of coil displacement, and energy conversion efficiency, making it impossible to explore in-depth influencing factors. Furthermore, traditional circular ring coils result in uneven magnetic field distribution, low coupling efficiency, poor adaptability, and high high-frequency losses.

Method used

By employing a square ring-shaped planar disc coil and an LCC-S type high-order compensation circuit, combined with a high-precision signal acquisition circuit and a displacement adjustment mechanism, the coil shape is optimized and the parameters are adjustable, demonstrating the entire energy transmission process.

Benefits of technology

It improved the uniformity of magnetic field distribution, enhanced the coupling coefficient, reduced high-frequency loss, enabled accurate measurement and reliable energy conversion efficiency calculation, enriched the depth of experimental content, and improved teaching effectiveness.

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Abstract

An experimental device for improving electromagnetic energy conversion efficiency based on LCR circuit, comprising: a signal generator, a transmitting end module, a receiving end module, a signal acquisition circuit and a digital oscilloscope; the transmitting end module comprises a primary side part of LCC-S type compensation circuit and a square ring planar disc type transmitting coil; the receiving end module comprises a square ring planar disc type receiving coil, a secondary side part of LCC-S type compensation circuit and a rectification filtering circuit; the output end of the signal generator is connected with the LCC-S type compensation circuit; the signal acquisition circuit is connected to the output end of the rectification filtering circuit; the probe of the digital oscilloscope is connected to both ends of the transmitting coil; the power supply is turned on, and the signal generator is set to output an alternating current signal with a specific frequency and voltage; the signal is driven to generate a magnetic field after being conditioned by the LCC-S compensation circuit; the receiving coil induces a voltage, and outputs a direct current after rectification filtering; the input voltage value is read by the digital oscilloscope, and the output voltage value is read by the signal acquisition circuit; the structure is simple, and the energy conversion efficiency effect is remarkable.
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