Optimization of MEMS coil structure parameters for wireless power transfer system based on magnetic resonance

Optimization of MEMS coil structure parameters for wireless power transfer system based on magnetic resonance
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基于磁共振的无线电力传输系统MEMS线圈结构参数优化

DOI:
10.1007/s00542-017-3646-8
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发表时间:
2018-05
期刊:
Microsystem technolgy
影响因子:
--
通讯作者:
Dongdong Xu
Dongdong Xu
中科院分区:
其他
文献类型:
--
作者:
Dongdong Xu

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无线电力传输(WPT)是一种生物相容性且灵活、方便、稳定的能量传输技术,在消费电子和植入式医疗方面拥有巨大的应用市场。对于WPT来说,提高传输效率一直是一个巨大的挑战。本文对一种基于磁共振的新型四线圈无线能量传输系统进行了分析,推导了品质因数、传输距离和传输效率的计算公式。提出了一种新的线圈结构参数设计。通过对匝数、股数和匝距进行模型仿真,利用电磁仿真软件HFSS对线圈的品质因数和电感进行分析,得到最优的结构参数值。具有最佳结构参数的线圈在13.56 MHz频率下可以达到102。这些结构参数为获得高品质因数线圈和高效无线能源系统提供了有效的参考和指导。
Wireless power transfer (WPT) is a biocompatible and flexible, convenient and stable energy transmission technology, has a huge application market in consumer electronics and implantable medical aspects. With regard to WPT, improving the transmission efficiency has always been a great challenge. In this paper, a novel four coil wireless energy transmission system based on magnetic resonances analyzed, the formula of quality factor, transmission distance and transmission efficiency is derived. A new coil structure parameter design is proposed. Through the model simulation of the number of turns, the number of strands and the pitch of the turns, the quality factor and inductance of the coil are analyzed by the electromagnetic simulation software HFSS, and the optimal structural parameter values are obtained. The coil with the optimal structural parameters can reach 102 at 13.56 MHz frequency. These structural parameters provide effective reference and guidance for obtaining high quality factor coils and efficient wireless energy systems.
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