基于能量自搜集的智慧城市无线感知节点供电系统研究  

Research on Power Supply System of Smart City Wireless Sensor Node Based on Energy Self-Collection

作　　者：张扬铭 宁景苑 朱润浩 易晓梅[1,2] 郜园园[1,2] 惠国华[1,2] 吴鹏[1,2] ZHANG Yangming;NING Jingyuan;ZHU Runhao;YI Xiaomei;GAO Yuanyuan;HUI Guohua;WU Peng(Key Laboratory of Forestry Sensing Technology and Intelligent Equipment of National Forestry and Grassland Administration,College of Mathematics and Computer Science,Zhejiang A&F University,Hangzhou Zhejiang 311300,China;Key Laboratory of Forestry Intelligent Monitoring and Information Technology of Zhejiang Province,College of Mathematics and Computer Science,Zhejiang A&F University,Hangzhou Zhejiang 311300,China)

机构地区：[1]浙江农林大学数学与计算机科学学院,林业感知技术与智能装备国家林业局重点实验室,浙江杭州311300 [2]浙江农林大学数学与计算机科学学院,浙江省林业智能监测重点实验室,浙江杭州311300

出　　处：《传感技术学报》2022年第7期1003-1010,共8页Chinese Journal of Sensors and Actuators

基　　金：浙江省基础公益研究项目(2019C02075,LGG19F010012);国家级大学生创新项目(202110341027);浙江省新苗计划项目(2021R412031,2021R412032);浙江农林大学学生科研项目。

摘　　要：无线传感器网络技术的发展与推广,受到供电问题的制约。研究了一种供电系统,为解决无线传感网络的供电问题提供一种可行的参考方案。提出了一种基于能量自搜集的智慧城市无线感知节点供电系统,该系统采用多晶太阳能电池板搜集光能,采用温差发电片搜集热能,以压电陶瓷为基础制作的悬臂梁实现了对振动能的采集,并将搜集到的能量转化为稳定的直流电能并进行智慧化存储管理,为本系统的无线传感器模块供电。该系统最短可在177 s内将超级电容充电至4 V,或将搜集到的能量稳定地储存到锂电池中,从而为无线感知节点持续供电。所研究的系统在无线传感器网络技术领域具有广阔的应用前景。The development and popularization of wireless sensor network technology is restricted by the problem of power supply.A power supply system is studied to provide a feasible reference scheme for solving the power supply problem of wireless sensor networks.A smart city wireless sensing node power supply system based on energy self-collection is proposed.The system utilizes polycrystalline solar panels to collect light energy and thermoelectric chips to collect heat energy.The cantilever beam based on piezoelectric ceramics realizes the collection of vibration kinetic energy.The collected energy is converted into stable DC energy and intelligent storage management is carried out.Power the wireless sensor module of the system.The system can charge the super capacitor to 4 V in 177 seconds the shortest,or store the collected energy stably in the lithium battery,so as to continuously supply power to the wireless sensing node.The system studied has broad application prospects in the field of wireless sensor network technology.

关 键 词：无线传感器 网络节点 能量搜集 电能存储 智能管理 

分 类 号：TM919[电气工程—电力电子与电力传动]