应用于无尾家电的非接触式无线能量传输技术

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摘要基于磁耦合谐振原理,采用平板磁心能量传输结构,可实现家用电器无尾化,从而避免插电式充电所带来的安全隐患。本文提出的无线能量传输系统采用一次侧加磁心,二次侧不加磁心的不对称结构,一方面实现了高功率、高传输效率的无线充电过程;另一方面减小了二次侧的尺寸、体积和重量。首先,本文建立了系统磁耦合谐振模型并优化了谐振参数;其次,仿真得到一、二次侧之间的空间耦合系数分布曲线;最后,通过搭建系统硬件平台,实现了60~150mm距离的无线能量传输,传输功率为700W,传输效率最高可达80%。

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	张剑韬
	朱春波
	陈清泉

关键词 ：电气工程, 无线能量传输, 无尾家电, 磁心

Abstract：Based on the principle of magnetic resonance, tail-free household appliances can be obtained by using the energy transmission of the flat magnetic with a core to avoid security risks brought by the charging means of plug-in. The wireless energy transfer system associated with this paper is based on the structure of a primary winding with a magnetic core and a secondary winding without a magnetic core. A high power and high transfer efficiency in the wireless charging process and a reduced secondary in the dimension, volume and weight are achieved by using the system. Firstly, a magnetic coupling resonant model is established and the resonant parameters are optimized. Then a distribution curve of a coupling coefficient is obtained via the simulation. Finally, a wireless transfer distance of 60 millimeter to 150 millimeter, an output power of 700W, and transfer efficiency of up to 84.5% are achieved via the establishment of a hardware experimental platform.

Key words： Electrical engineering wireless energy transfer tail-free household appliances magnetic core

收稿日期: 2013-09-04 出版日期: 2014-11-05

PACS:

TM724

基金资助:国家自然科学基金（51277037）和黑龙江省自然科学基金（E200947）资助项目

作者简介: 张剑韬男,1986 年生,博士研究生,主要研究方向为无线能量传输技术；朱春波男,1964 年生,教授,博士生导师,主要研究方向为无线能量传输技术及储能系统综合测试与控制技术。

引用本文:

张剑韬, 朱春波, 陈清泉. 应用于无尾家电的非接触式无线能量传输技术[J]. 电工技术学报, 2014, 29(9): 33-37. Zhang Jiantao, Zhu Chunbo, Chen Qingquan. Contactless Wireless Energy Transfer Technology Applied to Tail-Free Household Appliances. Transactions of China Electrotechnical Society, 2014, 29(9): 33-37.

链接本文:

http://dgjsxb.ces-transaction.com/CN/Y2014/V29/I9/33

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