东北大学学报（自然科学版）

东北大学学报:自然科学版 ›› 2016, Vol. 37 ›› Issue (7): 913-917.DOI: 10.12068/j.issn.1005-3026.2016.07.001

• 信息与控制 •    下一篇

磁耦合谐振无线电能传输系统中继结构的研究

王浩， 王安娜， 赵强， 会国涛   

  1. (东北大学 信息科学与工程学院， 辽宁 沈阳110819)
  • 收稿日期:2015-05-11 修回日期:2015-05-11 出版日期:2016-07-15 发布日期:2016-07-13
  • 通讯作者: 王浩
  • 作者简介:王浩(1986-)，男，辽宁盘锦人，东北大学博士研究生; 王安娜(1956-)，女，辽宁沈阳人，东北大学教授，博士生导师.
  • 基金资助:
    国家自然科学基金青年基金资助项目(61403073)； 辽宁省博士启动基金资助项目(2014M551110)； 沈阳市科技计划项目(F13-053-2-00).

Study on Relay Structure for Wireless Power Transmission System via Electromagnetic Resonant Coupling

WANG Hao， WANG An-na， ZHAO Qiang， HUI Guo-tao   

  1. School of Information Science & Engineering， Northeastern University， Shenyang 110819， China.
  • Received:2015-05-11 Revised:2015-05-11 Online:2016-07-15 Published:2016-07-13
  • Contact: WANG Hao
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摘要： 针对具有中继结构的磁耦合谐振无线电能传输系统进行了系统分析，首先建立系统理论模型，利用耦合模理论对中继系统的功率模型进行分析，得出中继系统的功率与非中继系统的功率具有相同的变化规律.利用电磁仿真软件分析系统在中继线圈工作状态下的磁场分布情况，分析中继系统的电路模型，获得负载电压比，提出中继系数的概念，推导出负载电压比和中继系数的变化关系.并根据系统负载电压的等效关系，推导出中继系数变化模型，求得中继线圈的合理位置范围.最后通过实验验证了该模型的准确性.

关键词: 中继结构, 耦合模, 能量交换, 负载电压比, 中继系数

Abstract: In order to analyze the transmission efficiency of wireless power transmission system via electromagnetic resonant coupling with relay structure， the relay system model was set up and analyzed with couple mode theory. In addition， the same power change rule compare with non-relay system was derived out. Take advantage of electromagnetic simulation software to make a system analyze with the magnetic field distribution of the power transmission system， and to analyze the circuit model of relay system to get the load power ratio， the motion as relay coefficient was proposed. In this way， the relationship between the load voltage ratio and relay coefficient was derived out. According to equivalent relation of load voltage， the model of relay coefficient was obtained， which could calculate reasonable relay coefficient. Finally， the accuracy of this model was verified by the experimental results.

Key words: relay structure, couple mode, energy exchange, load voltage ratio, relay coefficient

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