一种基于磁感应到可植入设备的无线电力传输的薄而柔韧的接收线圈:通过安装不同数量的磁片来测量接收线圈的功率效率

2015 9th International Symposium on Medical Information and Communication Technology (ISMICT) Pub Date : 2015-03-24 DOI:10.1109/ISMICT.2015.7107493

R. Iwashita, M. Ishiwata, Yoji Takaguchi, T. Koike, Issei Hashimoto, K. Shiba

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引用次数: 0

摘要

植入式医疗设备需要无线电力传输。这里提出的无线系统使用一个可以戴在腰上的发射线圈，将电力发送到一个薄而灵活的接收线圈，该线圈位于0.25%质量浓度的液体NaCl溶液深处，模拟人体条件。为了确定最佳传输效率，我们检查了安装有不同数量磁片的接收线圈。在1.8 MHz无磁片的情况下，传输效率最高达19.2%。单片和双片接收线圈在1.3 MHz和0.8 MHz时的最大传输效率分别为12.5%和4.68%。我们的研究证实了我们的无线电力传输系统能够在液体溶液中为微控制器供电。

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A thin, flexible receiving coil for wireless power transmission based on magnetic induction to an implantable device: Measuring the power efficiency of receiving coils with varying numbers of mounted magnetic sheets

Implanted medical devices require wireless power transmission. The wireless system proposed here uses a transmitting coil that could be worn around the waist to send power to a thin, flexible receiving coil located deep in a liquid NaCl solution of 0.25% mass concentration, simulating conditions in the human body. To determine optimal transmission efficiency, we examined receiving coils mounted with varying numbers of magnetic sheets. A maximum transmission efficiency of 19.2% was obtained at 1.8 MHz with no magnetic sheet. The maximum transmission efficiencies of receiving coils mounted with one sheet and two sheets were 12.5% at 1.3 MHz and 4.68% at 0.8 MHz, respectively. Our investigation confirmed that our wireless power transmission system is able to supply power to the microcontroller in the liquid solution.

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2015 9th International Symposium on Medical Information and Communication Technology (ISMICT)

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