设计和评估一个磁合的压电能量收割机与平行连接的平行连接
Yaxun Zhang1, Heran Wang1, Liang Wang1
1School of Mechanical Engineering, Northeast Electric Power University, Jilin 132012, China.
这项研究介绍了一种新的磁合压电能量收割机. 平行连接提高了性能,为微电子设备实现了显著的电压和功率输出.
科学领域:
- 收集能源 收集能源
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
背景情况:
- 压电式能源收获器 (PEH) 对于供电微电子设备至关重要.
- 磁性合和接触碰撞激发提供了新的方法来增强振动振幅和产生能量.
研究的目的:
- 提出和评估一个磁合的平热电能收割机与平行连接.
- 为了研究磁性合和接触碰撞对压电贴片振动的影响.
- 通过并行配置来优化能源采集性能.
主要方法:
- 模拟和实验验证矩形压电贴片的内在频率.
- 一个PEH的设计包括磁合的上部和接触激发的下部压电补丁.
- 压电补丁的并行连接以最大限度地提高能量输出.
主要成果:
- PEH在各种频段中表现出有效的运行.
- 平行连接在120转/分钟时产生252V的峰值到峰值电压,在180转/分钟时产生266V的最大电压.
- 达到0.313W的峰值到峰值功率,每分钟180转,足以为60个发光二极管供电.
结论:
- 拟议的具有平行连接的磁性合PEH显著提高了能源采集能力.
- 该设备有效地将机械振动转化为适合微电子应用的电能.
- 平行配置在最大限度地提高电压和功率输出方面证明优于串行连接.
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