U-shape magnetostrictive vibration based power generator for universal use
U-shape magnetostrictive vibration based power generator for universal use
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DOI：
10.1117/12.2218759
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发表时间：
2016-04
期刊：
影响因子：
--
通讯作者：
T. Ueno
中科院分区：
文献类型：
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作者：
T. Ueno
振动发电机从环境振动中提取电能。作者利用磁致伸缩材料发明了新颖的结构。该装置基于铁镓合金和磁性材料的平行束，具有高效率、高稳健性和低阻抗的特点。在本文中，作者提出了一种通用的U形发生器。它由平行梁和固定和自由端梁组成的U形框架组成，可根据不同的机械输入灵活修改。采用Fe-Ga棒6×0.5×13 mm~3的微型U型样机，在166 Hz和2.5G的振动下，平均功率为3.7 mW。L型样机通过双向振动产生电动势。在开关式中，一次推力可回收0.7mJ的最大能量。这些性能足以驱动无线模块用于健康监测和远程控制。
Vibrational power generator extracts electrical energy from ambient vibration. Author invented novel configuration using magnetostrictive material. The device is based on parallel beams of iron-gallium alloy and magnetic material, and features high efficiency, high robustness, and low electrical impedance. In this paper, author proposes U-shape generator for universal use. It consists of the parallel beams and fixed and free end beams forming U-shape frame flexibly modified for variety of mechanical input. Miniature U-shape prototype using Fe-Ga rod 6 by 0.5 by 13 mm3 exhibited average power of 3.7 mW under vibration of 166 Hz and 2.5 G. L-shape type was demonstrated to generate electromotive force by two directional vibrations. In switch type, maximum energy of 0.7 mJ was retrieved by one pushing force. The performances are sufficient to drive wireless module for heath monitoring and remote control.