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Wireless power transmission with a sown auxiliary coil to improve power efficiency for an implantable device
International Journal of Applied Electromagnetics and Mechanics ( IF 1.1 ) Pub Date : 2020-09-07 , DOI: 10.3233/jae-209397
Ryunosuke Sasaki 1 , Kohei Koizumi 1 , Shogo Kiryu 2
Affiliation  

In this study, a magnetic resonance wireless power transmission system with a sown auxiliary coil is described. The system is proposed to deliver power to an “implantable cardioverter defibrillator” (ICD) device from a bed. The auxiliary coil is supposed to be sown in a shirt. With the coil, the poor coupling coefficient and the effective quality factor can be improved. In this study, the power efficiency was investigated on a magnetic resonance wireless power transmission system with a sown auxiliary coil by using a 1/2 scaled model. As a result, when transfer distance was 100 mm (200 mm in the full scaled model) and lord resistance was 20 Ω, the maximum transfer efficiency with an auxiliary coil was measured to be about 70% much higher than without that.

中文翻译:

带有播种的辅助线圈的无线电力传输可提高可植入设备的电源效率

在这项研究中,描述了一种带有播种辅助线圈的磁共振无线电力传输系统。建议该系统从床向“可植入式心脏复律除颤器”(ICD)设备供电。辅助线圈应被播种在衬衫中。利用该线圈,可以改善较差的耦合系数和有效品质因数。在这项研究中,通过使用1/2比例模型研究了带有播种辅助线圈的磁共振无线电力传输系统的功率效率。结果,当传输距离为100 mm(在全尺寸模型中为200 mm)且主电阻为20Ω时,使用辅助线圈时的最大传输效率测得比不使用辅助线圈时的最高传输效率高70%。
更新日期:2020-09-08
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