人体膝关节能量收集装置的研究现状  

Research Status of Energy Harvesters for Human Knee-Joint

作　　者：倪兵强 李玉龙[1] 涂冰[2] Ni Bingqiang;Li Yulong;Tu Bing(Key Lab for Robot&Welding Automation of Jiangxi Province,School of Advanced Manufacturing,Nanchang University,Nanchang 330031,China;Chongqing Research Institute,Nanchang University,Chongqing 402676,China)

机构地区：[1]南昌大学先进制造学院江西省机器人与焊接自动化重点实验室,南昌330031 [2]南昌大学重庆研究院,重庆402676

出　　处：《微纳电子技术》2023年第4期508-516,共9页Micronanoelectronic Technology

基　　金：江西省双千计划-高端领军人才项目(jxsq2019201048)。

摘　　要：可穿戴和便携式电子产品面临反复充放电等诸多问题。分析讨论了利用外部环境能量供能所面临的困境,简要总结了人体潜在的能量,并阐明分析了从人体运动中获取能量为可穿戴电子设备供能的可行性。通过分析人体运动过程中膝关节的生物力学特征与正负功的情况,论述了膝关节作为人体能量收集部位所具有的独特优势。针对膝关节部位的能量收集,详细介绍了压电与电磁能量收集方法及相应的能量收集特点,分析讨论了电磁式、压电式、摩擦式、介电弹性式、复合式膝关节能量收集装置的研究现状与优缺点,最后基于目前的研究现状展望了膝关节运动能量收集装置未来的发展前景。Wearable and portable electronics face many problems,such as repeated charging and discharging.The difficulties faced by using external environmental energy for energy supply are analyzed and discussed,the potential energy of human body is briefly summarized,and the feasibility of obtaining energy from human body movement to power wearable electronic devices is expounded and analyzed.By analyzing the biomechanical characteristics,positive and negative work of knee-joint in the process of movement,the unique advantage of knee-joint as the energy collection site of a human body is discussed.For the energy collection of the knee-joint,the piezoelectric and electromagnetic energy collection methods and the corresponding energy collection characteristics are introduced in detail.The research status,advantages and disadvantages of electromagnetic,piezoelectric,friction,dielectric elastic and composite knee-joint energy harvesters are analyzed and discussed.Finally,based on the current research status,the future development prospect of the knee-joint motion energy harvesters is forecasted.

关 键 词：可穿戴电子设备 能量收集器 膝关节 便携式电子产品 充放电 

分 类 号：TM619[电气工程—电力系统及自动化]