振动能量收集结构及其电源管理电路发展现状

Current situation of vibration energy harvesters and power management circuits

随着微机电系统技术和集成电路技术日趋发展,以化学电池为主的供能方式制约着微型器件的发展,为此国内外研究者提出从环境周围中收集能量,并将其转换成电能供给设备使用。文中从振动式能量收集结构设计和电路设计两个方面进行系统地归纳和分析,介绍了国内外不同类型的能量收集技术的研究现状。重点分析了电源管理模块,详细介绍了其工作原理,归纳总结出电路结构的优化和改进方法,并做了对比,提出了自己的想法和建议,为相关研究人员提供参考。

With the development of micro-electro-mechanical （MEMS） system technology and integrated circuit technology, the flaws of electrochemical batteries as power sources have gradually appeared. Therefore, the researchers can collect the energy from the environment to convert it into power to supply equipments. Two aspects of vibration energy harvesting are summarized and analyzed. Different types of energy harvesting structures are introduced. In view of the energy harvesting efficiency, the development of the power management module is introduced . Finally. the optimal and improvable methods of circuit structures are summarized and compared.