新型低温阀门性能测试系统  

New Type of Cryogenic Valves' Performance Test System

作　　者：田园[1] 张敏良[1] 汲德安 王荣[1] 

机构地区：[1]上海工程技术大学机械工程学院,上海201620

出　　处：《轻工机械》2015年第2期57-60,64,共5页Light Industry Machinery

基　　金：上海市教委产学研项目(12QY21)

摘　　要：针对目前国内低温阀门性能测试系统存在测试精度低、自动化程度低、低温介质消耗量大等缺点,提出了基于先进测试技术的新型低温阀门性能自动检测系统和检测方法,介绍了其工作原理;设计了基于闭环反馈控制的阀杆开关性能自动操作机构;采用现代控制技术,设计了深冷箱自动开关压紧机构;设计了基于光电原理的光电气泡计数器。应用结果表明,该系统不仅具有测试精度高、自动化程度高等特点,而且可有效减少低温介质消耗量,提高测试过程的安全性。According to the shortcomings of domestic cryogenic valve performance test system at the present time,such as low test precision,low degree of automation and high cryogenic medium consumption,a detailed description of a new type of cryogenic valves＇ performance automatic test system and test method was introduced,which was based on the advanced test technology.It put forward the mechanism of automatic operation of valve stem based on the closed loop feedback control.The mechanism of cover automatic operation was designed based on modern control technology and photoelectric bubble counter.Application results show that the system not only has a high testing precision and high degree of automation,and it can reduce the cryogenic medium consumption effectively and improve the safety of the testing process.

关 键 词：低温阀门 测试系统 循环反馈控制 智能化 

分 类 号：TB657.3[一般工业技术—制冷工程] TP211.3[自动化与计算机技术—检测技术与自动化装置]