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首页> 外文会议>International Conference on Information and Communication Technology Convergence >Design of a Transmitting Coil for Effective Charging Area Expansion Using a Stepped Helical Coil
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Design of a Transmitting Coil for Effective Charging Area Expansion Using a Stepped Helical Coil

机译：阶梯式螺旋线圈有效扩展充电面积的透射线圈设计

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摘要

In this paper, a novel stepped helical coil is proposed with uniform magnetic field generation for effective wireless charging region expansion. The stepped helical coil uses two or more helical coils, and the desired magnetic field can be formed by controlling the number of turns and the diameter of each coil. In addition, this structure is insensitive to the influence of the ground plane and is easy to manufacture due to its simple architecture. The proposed stepped helical coil was tested for its performance by constructing a magnetic resonance 100 W class wireless charging system at a frequency of 140 kHz. The measurement results show that the charging area of 380.1 cm2 (71.6%), which maintains 60% efficiency, is about 4 times larger than that of the conventional single helical coil structure.
机译：在本文中，提出了一种新颖的阶梯式螺旋线圈，该线圈具有均匀的磁场产生，可以有效地扩展无线充电区域。阶梯状螺旋线圈使用两个或更多个螺旋线圈，并且可以通过控制匝数和每个线圈的直径来形成期望的磁场。另外，这种结构对接地平面的影响不敏感，并且由于其简单的结构而易于制造。通过构建频率为140 kHz的磁共振100 W级无线充电系统，对提出的阶梯式螺旋线圈的性能进行了测试。测量结果表明，充电面积为380.1 cm 2 （71.6％）保持60％的效率，是传统单螺旋线圈结构的约4倍。

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