联合杂混合磁力机电发电机供电瓦特级物联网系统
Ha Young Lee1, Srinivas Pattipaka2, Sung-Dae Kim2
1Department of Electronic Engineering, Yeungnam University, 280, Daehak-Ro, Gyeongsan, Gyeongbuk, 38541, Republic of Korea.
Small methods
|March 5, 2025
概括
这项研究通过联合合压电晶体来增强磁力机电 (MME) 发电机,显著提高无线物联网 (IoT) 传感器的功率输出. 改进的混合MME发电机现在可以为高需求的物联网应用提供动力.
科学领域:
- 材料科学与工程 材料科学与工程
- 收集能源的技术 收集能源的技术
- 压电材料 压电材料
背景情况:
- 磁力机电 (MME) 发电机将磁能转化为电能,非常适合无线物联网 (IoT) 传感器.
- 目前的MME发电机缺乏足够的功率输出,以满足高需求的瓦特级物联网应用.
- - 酸 - - 酸 - 酸 (PMN-PZT) 压电晶体是MME设备中的关键组件.
研究的目的:
- 为了提高MME发电机的功率输出,用于瓦特级物联网应用.
- 研究与 (Mn) 和 (La) 联合使用PMN-PZT压电单晶的共效应.
- 开发一种混合MME (H-MME) 发电机,能够为苛刻的物联网系统提供动力.
主要方法:
- 辅助注 Pb(Mg1/3Nb2/3) O3-Pb(Zr,Ti) O3 (PMN-PZT) 单晶,含有 1 个分子% Mn 和 0.5 个分子% La.
- 制造用于d32模式运行在60 Hz共振频率上优化的压电悬臂.
- 压电悬臂与电磁线圈的集成,以创建一个混合MME (H-MME) 发电机.
主要成果:
- 在5-Oe磁场下,优化的协同化H-MME发电机实现了82.19mW的根平均平方功率输出.
- 该H-MME发电机成功为一个瓦特级智能农场系统提供动力,包括摄像头,微控制器和蓝牙模块.
- 该系统将图像传输到智能手机,证明了实际应用的可行性.
结论:
- 将PMN-PZT晶体与Mn和La一起配合,可以显著提高MME发电机的功率输出.
- 开发的H-MME发电机技术能够驱动高能耗物联网应用程序.
- 这一进步为各种领域的自动供电,高性能无线物联网系统铺平了道路.
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