非接触电能传输技术专利分析
2021-12-13李文超封迪
李文超 封迪



摘 要:该文基于Incopat专利数据库,以2020年10月16日前的电气化轨道交通领域的专利为依据,运用统计分析法对电气化轨道交通领域专利进行梳理,针对非接触电能传输领域的重点技术,从多个技术分支解读当前非接触电能传输领域的专利发展路线及专利布局方向。挖掘出该领域专利技术的竞争信息和发展趋势,进而勾勒出电气化交通领域非接触电能传输领域专利的整体发展态势,为我国相关技术发展提供参考。
关键词:电气化交通非接触电能传输电路拓扑专利申请人
中图分类号:TN925文献标识码:A 文章编号:1672-3791(2021)09(c)-0000-00
Wireless Power Transmission Technology Patent Analysis
LI Wenchao FENG Di
(CRRC QingdaoSifang Co., Ltd., Qingdao, Shandong Province, 266111 China)
Abstract: Based on Incopat patent database, this paper uses the patents in the field of electrified rail transportation before October 16, 2020 as the basis, and uses the statistical analysis method to sort out the patents in the field of electrified rail transportation, and to interpret the current patent development routes and patent layout directions in the field of wireless power transmission from several technical branches with respect to the key technologies in the field of wireless power transmission. The information on the competition and the development trend of the patent technology in this field are unearthed, and then the overall development trend of the patents in the field of wireless power transmission in the field of electrified transportation is outlined to provide reference for the development of related technologies in China.
Key Words:Electrified transportation; Wireless Power Transmission; Circuit Topology; Patent; Applicant
近年来,非接触电能传输技术(Wireless Power Transmission,WPT)快速发展,尤其是通过高频交变磁场和谐振式磁耦合实现的非接触式电能传输的磁耦合谐振式无线电能传输技术,为供电问题提供了新的解决方案[1]。随着WPT理论基础趋于成熟,相关应用研究也得以迅速开展。在电气化交通领域,面向电动汽车的无线充电技术已迈入实用化阶段,同时许多国家针对轨道交通也建设了无线电能传输方式的实验轨道路线[2]。
为掌握非接触电能传输技术在电气化交通领域的最新研发和应用情况,该文通过对电气化交通领域非接触电能传输技术路线进行梳理,了解当下电气化交通领域非接触电能传输的发展态势。
1研究方法
针对电气化交通领域非接触电能传输专利文献,在IncoPat专利数据库进行全球专利检索,检索时间截止至2020年10月16日,检索到全球相关专利申请4644件。……
