Wireless Power Transfer with Multi-Layer Planar Spiral Coils as Secondary Coils

Smit Baua, R. Amineh, N. S. Artan
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引用次数: 1

Abstract

As the sizes of implantable medical devices such as implantable cardioverter defibrillators, deep brain stimulators, and retinal implants shrink; powering these devices become more challenging. Wireless power transfer (WPT) enables the use of rechargeable and thus smaller batteries, however it also requires additional space for the receiving coil. Depending on the location of the implant in the body, device area or volume can be more constrained. In this paper, we investigate multi-layer planar spiral coils via simulations. We study the impact of number of turns on the quality factor for multi-layer coils including coils with different number of turns in each layer (hybrid coils) and we offer recommendations on the approximate number of turns for having high Q values.
多层平面螺旋线圈作为二次线圈的无线电力传输
随着植入式医疗设备(如植入式心律转复除颤器、深部脑刺激器和视网膜植入物)尺寸的缩小;为这些设备供电变得更具挑战性。无线电力传输(WPT)允许使用可充电电池,因此更小的电池,但是它也需要额外的空间来接收线圈。根据植入物在体内的位置,装置的面积或体积可能受到更多限制。本文对多层平面螺旋线圈进行了仿真研究。我们研究了匝数对多层线圈(包括每层不同匝数的线圈(混合线圈))质量因子的影响,并对具有高Q值的近似匝数提出了建议。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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