基于环境供能的RFID节点供电方式研究  

Power supplying to RFID node based on environment energy

作　　者：林伟[1] 张莎[1] 李哲[1] 

机构地区：[1]武汉理工大学自动化学院,湖北武汉430070

出　　处：《电源技术》2011年第8期938-940,共3页Chinese Journal of Power Sources

基　　金：湖北省自然科学基金项目(20101j0170)

摘　　要：针对物联网中R FID节点的电源供电需要,论述了太阳能发电、温差发电、压电材料发电三种实时环境能量获取方式,比较了以上三种利用环境能量发电的微电源的优缺点。基于对三种环境能量的特性,提出在提高能量获取效率、降低供电成本的基础上,通过设计性能稳定、低功耗的动态电源管理系统可以有效分配能量,提高供电效率。According to the power supply to RFID node in the Internet of things,three kinds of real-time environment energy obtaining methods such as solar energy,thermoelectricity and piezoelectricity were discussed;the advantages and disadvantages of three kinds of micro-energy were compared.Based on the characteristics of three kinds of environment energy,on the basis of enhancing the efficiency and reducing the cost of obtaining energy,designing dynamic power management with stable characteristics and lower power was presented to distribute energy effectively and improve supply efficiency.

关 键 词：射频识别 环境供能 太阳能 温差发电 压电振动 动态电源管理 

分 类 号：TM914.4[电气工程—电力电子与电力传动]