气动单向阀的流量特性参数测定  

Measurement of the Flow Characteristic Parameters of the Pneumatic One-way Valve

作　　者：惠伟安 徐文灿[2] 柳孝松 陈泽熹 HUI Weian;XU Wencan;LIU Xiaosong;CHEN Zexi(National Quality Supervision and Inspection Center of Pneumatic Products,Ningbo Zhejiang 315500,China;College of Mechanical and Electrical Engineering,North China University of Technology,Beijing 100041,China;Ningbo Fenghua District Market Supervision and Administration Bureau,Ningbo Zhejiang 315500,China)

机构地区：[1]国家气动产品质量监督检验中心,浙江宁波315500 [2]北方工业大学机电学院,北京100041 [3]宁波市奉化区市场监督管理局,浙江宁波315500

出　　处：《机床与液压》2018年第20期103-105,89,共4页Machine Tool & Hydraulics

基　　金：国家质量监督检验检疫总局科技计划项目(T2015-ZJQTS-0023)

摘　　要：气动单向阀属于流通面积随进口压力变化而变化的气动元件,本不能使用ISO 6358测定其流量特性参数。但由于单向阀的全开压力较低,且其临界压力比b较大,故可以使用定压法、变压法和串接法测定其流量特性参数。在已知S和b的情况下,还给出如何求得任何压力差p_1-p_2下通过该单向阀的流量q_v。The pneumatic one-way valve is a pneumatic component which flow area changes with the change of the inlet pressure.Its flow characteristic parameters cannot be measured by using ISO 6358.But as a result of check valve fully open pressure is low,and the critical pressure ratio b is bigger,so constant pressure method,variable pressure method and concatenated method can be used to measure its flow characteristic parameters.In the case of known S and b,how to obtain the flow q v through the check valve at any pressure difference p 1-p 2 was shown.

关 键 词：气动单向阀 流量特性 全开压力 开启压力 

分 类 号：TH138[机械工程—机械制造及自动化]