使用不对称紧的压电式能源收割机的设计和评估,以提高输出性能
1School of Mechanical Engineering, Northeast Electric Power University, Jilin 132012, China.
The Review of scientific instruments
|February 3, 2025
概括
这项研究介绍了一种改进的压电式能源收割机,具有不对称的紧和形. 这种设计显著提高了输出电压,为供电微电子设备提供了有前途的解决方案.
科学领域:
- 材料科学 材料科学 材料科学
- 电气工程 电气工程
- 收集能源 收集能源
背景情况:
- 压电式能源收割机对于供电小型电子设备至关重要.
- 提高这些收割机的输出性能是一个持续的研究挑战.
- 不对称的紧和结构修改可以增强压电材料的变形和响应.
研究的目的:
- 提出和评估一个新的压电能量收割机设计.
- 调查不对称的紧和矩形波形对能源采集性能的影响.
- 为了证明微电子应用的增强收割机的实际可行性.
主要方法:
- 制造了一个带有非对称紧和矩形波形的压电式能源收割机原型.
- 在不同条件下测量开放电路输出电压的实验测试.
- 对拟议设计的比较分析与没有阻隔的标准结构进行比较.
- 通过为发光二极管 (LED) 提供动力来展示收割机的能力.
主要成果:
- 拟议的带有不对称紧和矩形波形的压电式能源收割机显示出显著改善的输出性能.
- 一个带有两侧面和8毫米长度的原型实现了60.8V的峰值到峰值开放电路电压.
- 这代表了输出电压的3.49倍增长,而不是一个没有阻隔器的结构.
- 通过成功为多个LED供电,确认了收割机的实际可行性.
结论:
- 不对称的紧和整合矩形波段是提高压电能量收割机性能的有效策略.
- 开发的收割机提供高稳定的输出电压,适合实际应用.
- 这项技术显示出自动供电微电子设备和物联网传感器的巨大潜力.
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