从专利申请看中国多联机控制技术的发展现状  

The development status of Chinese patent applications on control technology of VRV

作　　者：霍廖然[1] Huo Liaoran(Patent Examination Cooperation(BeiJing)Center of The Patent Office,CNIPA)

机构地区：[1]国家知识产权局专利局专利审查协作北京中心

出　　处：《制冷与空调》2021年第7期1-3,9,共4页Refrigeration and Air-Conditioning

摘　　要：本文针对近5年的多联机的控制方法相关的中国专利申请进行分析,从申请量年度变化、重要申请人构成、申请技术点侧重以及具体技术改进分析等方面进行剖析,旨在厘清该领域近年的发展脉络,从一定程度上获得多联机空调行业的发展方向,并对今后该领域发展趋势与研究重点提出建议与意见。This paper mainly analyzed some Chinese patent applications of VRV in recent five years,and made some research on application quantity annual change,application types,application country,applicant type,technology improvement,and important applicant,in order to know the current status of technology development,and also give some advises on researching emphasis in future developing.

关 键 词：多联机 中国专利申请 发展趋势 

分 类 号：TB6[一般工业技术—制冷工程]