模块化紧耦合变压器特性研究实验仪的设计#br#

doi:10．14139/j．cnki．cn22－1228．2026．03．013

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摘要为深化电磁学理论与现代无线电能传输技术的融合，解决传统变压器实验教学参数固化、探究性不足的问题，设计并开发了一款高度模块化、多参数可调的紧耦合变压器特性研究实验仪。该装置集成了铁芯气隙精密调节、线圈结构灵活替换、双边谐振电容匹配以及铁芯材料可换四大核心模块，实现了对工作频率、负载阻抗、耦合强度及线圈几何拓扑等关键变量的独立调控与实时测量。基于该平台，系统探究了铁芯间距、工作频率、负载阻抗及线圈边长对变压器能量传输效率的影响规律。实验结
果表明: 传输效率随铁芯间距增大呈指数衰减; 在双边谐振频率点附近存在明确的效率峰值; 负载阻抗存在最优匹配点; 线圈几何尺寸对效率具有非单调性影响。该仪器将前沿技术引入基础实验，结构紧凑、操作直观、扩展性强，有效促进了学生对电磁耦合机制、谐振原理及系统优化设计的深入理解，兼具教学演示与科研探究功能，为高校创新性物理实验教学提供了先进的实践平台。

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	王宙洋
	俞闻涛
	荆云骜
	房宇轩
	姚星星

关键词: 紧耦合变压器模块化设计无线电能传输实验教学谐振

Abstract: to deepen the integration of electromagnetic theory with modern wireless power transfer technology
and address the issues of fixed parameters and insufficient inquiry in traditional transformer experiment
teaching，this paper designs and develops a highly modular，multi-parameter adjustable experimental instrument
for studying tightly-coupled transformer characteristics．the device integrates four core modules: precise air-gap
adjustment for the magnetic core，flexible coil structure replacement，bilateral resonant capacitor matching，and
interchangeable magnetic core materials．this enables independent control and real-time measurement of key
variables such as operating frequency，load impedance，coupling strength，and coil geometry． based on this
platform，systematic investigations were conducted on the influence laws of magnetic core gap distance，
operating frequency，load impedance，and coil side length on the energy transfer efficiency of the transformer．
experimental results indicate that: the transfer efficiency decays exponentially with increasing magnetic core
gap; a distinct efficiency peak exists near the bilateral resonant frequency; an optimal matching point exists for
the load impedance; and the coil geometry exhibits a non-monotonic influence on efficiency．this instrument
introduces cutting-edge technology into fundamental experiments． it features a compact structure，intuitive
operation，and strong expandability，effectively promoting students' in-depth understanding of electromagnetic
coupling mechanisms，resonance principles，and system optimization design． it serves both teaching
demonstration and scientific research exploration functions，providing an advanced practical platform for
innovative physics experiment teaching in universities．

Key words: tightly-coupled transformer modular design wireless power transfer ( wpt ) experimental teaching resonance

发布日期: 2026-06-25

ZTFLH:
	TM 46

基金资助: 2025 年度教育部高等学校大学物理课程教学指导委员会大中物理教育衔接工作委员会教学研究课题( WX202505)

引用本文:

王宙洋, 俞闻涛, 荆云骜, 房宇轩, 姚星星 . 模块化紧耦合变压器特性研究实验仪的设计#br#[J]. 大学物理实验, 2026, 39(3): 80-85.
WANG Zhouyang, YU Wentao, JING Yun'ao, FANG Yuxuan, YAO Xingxing. Design of A Modular Experimental Instrument for Tightly-Coupled Transformer Characteristics Ｒesearch#br#. Physical Experiment of College, 2026, 39(3): 80-85.

链接本文:

https://dawushiyan.jlict.edu.cn/CN/10．14139/j．cnki．cn22－1228．2026．03．013 或 https://dawushiyan.jlict.edu.cn/CN/Y2026/V39/I3/80

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