本文选择中国专利文摘数据库中的机械滤网式空气净化器相关专利为研究对象,分别从专利申请量、专利申请地分布、技术构成、技术需求与技术功效等几个方面,分析了机械滤网式空气净化器设备滤网技术在国内外发展态势,希望能为我国相关领域的研究机构和企业提供一些参考信息。 This paper chooses the relative patents of mechanical filter type air purifier in China Patent Abstracts Database as the research object, analyzes the mechanical filter from the aspects of the number of patent applications, the distribution of patent applications, technical composition, technical requirements and technical effects, Air purifier filter technology in the domestic and international development trend, hoping to provide some reference information for the relevant research institutions and enterprises in China.