| 流量调节阀性能检测系统设计 |
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| 引用本文： | 胡晓峰,林敏,郭斌.流量调节阀性能检测系统设计[J].中国计量学院学报,2011,22(4):317-321. |
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| 作者姓名： | 胡晓峰 林敏 郭斌 |
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| 作者单位： | 中国计量学院计量测试工程学院,浙江杭州,310018 |
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| 基金项目： | 浙江省大学生科技创新活动计划项目 |
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| 摘 要： | 采用高精度数据采集、脉宽调制(PWM)方法的运动控制、串口通信等技术,设计了一套基于虚拟仪器的流量调节阀性能检测系统,实现对调节阀调节范围的设定及其升程-流量工作特性、执行器稳定性等性能参数的检测.该系统硬件由压力传感器、质量流量传感器、可编程控制器、PWM信号发生器、数据采集卡、工控计算机及电源模块等构成.软件采用上、下位机分布式测试模式,上位机负责数据采集分析,下位机负责串口通信.测试结果表示,系统最大流量标准偏差为0.04kg/h,位置稳定标准偏差为0.04mm,测量能力指标(Cg、Cgk)均≥1.33,符合设备设计要求.
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| 关 键 词： | 流量调节阀 检测系统 虚拟仪器 |
A design of detecting system for flow regulator |
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| HU Xiao-feng,LIN min,GUO bin.A design of detecting system for flow regulator[J].Journal of China Jiliang University,2011,22(4):317-321. |
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| Authors: | HU Xiao-feng LIN min GUO bin |
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| Affiliation: | HU Xiao-feng,LIN min,GUO bin(College of Metrology and Measurement Engineering,China Jiliang University,Hangzhou 310018,China) |
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| Abstract: | For the requirements of test instruction for flow regulator,a set of automatic detection system based on the LabVIEW was designed.It was combined with high-precision data acquisition,motor control and serial communication,etc.It realized flow regulator adjusting with range of upper and lower limit position setting and work-flow characteristic curve of verification,the stability and repeatability of actuator,etc.In this paper,the hardware composition composed by pressure sensor,flow sensor,PLC,PWM generator,... |
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| Keywords: | flow regulator detecting system virtual instrument |
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