From multiple dimensions such as the trend of patent application quantity,the first applicant country and the target market country,this paper totally analyzes the global patents of the locking technology of the door system of rail vehicles,and analyzes and interprets the technical route of the core patents of some important applicants in this field in locking technology.Based on the above analysis,the paper further looks forward to the future develop-ment trend of the locking technology of the door system of rail vehicles,in order to provide a reference basis for the development of the locking technology of the door system of rail vehicles.
关键词
轨道车辆门系统/锁闭技术/专利分析/技术路线
Key words
Rail vehicle door system/Locking technology/Patent analysis/Technology route