气动换向阀流量特性测定试验研究与验证  

Research and Verification of Measuring Flow-rate Characteristics for Pneumatic Directional Control Valve

作　　者：毛乾晖 刘丽娇 任志胜 施朝辉 胡小雄 刘文[3] MAO Qian-hui;LIU Li-jiao;REN Zhi-sheng;SHI Zhao-hui;HU Xiao-xiong;LIU Wen(National Quality Supervision and Inspection Center of Pneumatic Products,Fenghua 315500,China;Xingyu Electron(Ningbo)Co.,Ltd.,Fenghua 315514,China;Zhejiang University Ningbo Institute of Technology,Ningbo 315100,China)

机构地区：[1]国家气动产品质量监督检验中心,浙江奉化315500 [2]星宇电子(宁波)有限公司,浙江奉化315514 [3]浙江大学宁波理工学院,浙江宁波315100

出　　处：《液压气动与密封》2020年第11期23-27,共5页Hydraulics Pneumatics & Seals

基　　金：浙江省市场监督管理局科研计划项目(20190329);宁波市“科技创新2025”重大专项(2018B10009);宁波市质量技术监督局科研项目(2019009)。

摘　　要：该文依据GB/T 14513.2-2019《气动使用可压缩流体元件的流量特性测定第2部分:可代替的测试方法》标准对气动行业通用的某典型气动换向阀产品进行流量特性测定试验,通过试验数据采集分析计算得到3个流量特性特征参数,声速流导C、临界压力比b和亚声速指数m,为国内气动换向阀流量特性试验及标准制定提供参考。According to the standard of GB/T 14513.2-2019,pneumatic fluid power—determination of flow-rate characteristics of components using compressible fluids—Part 2:Alternative test methods,a typical pneumatic fluid power directional control valve in the pneumatic industry is tested for flow-rate characteristics.Through the analysis on acquired data,three flow-rate characteristic parameters,sonic conductance,C,critical back-pressure ratio,b and subsonic index,m are determined.The purpose of this paper is to provide reference for testing and standardsetting of flow-rate characteristics of pneumatic fluid power directional control valve in domestic.

关 键 词：流量特性 声速流导 气动 换向阀 

分 类 号：TH138[机械工程—机械制造及自动化]