DEVELOPMENT OF ON-LINE CALIBRATION SYSTEM FOR SAFETY VALVES IN POWER PLANTS BASED ON ARM AND ETHERNET TECHNOLOGY

SHI Xin1; ZHAO Huaping1; ZHOU Xizhong2; LIU Kun1; ZHANG Meilin3 1.Chinese Academy of Agriculture Mechanization

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DEVELOPMENT OF ON-LINE CALIBRATION SYSTEM FOR SAFETY VALVES IN POWER PLANTS BASED ON ARM AND ETHERNET TECHNOLOGY

Thermal Power Generation Vol. 39, Issue 11, Pages: 82-84(2010)

更新时间：2025-09-28

- DEVELOPMENT OF ON-LINE CALIBRATION SYSTEM FOR SAFETY VALVES IN POWER PLANTS BASED ON ARM AND ETHERNET TECHNOLOGY
- 作者机构：
  
  1. 中国农业机械化科学研究院
  2. 国电河南电力有限公司
  3. 河南省电力勘测设计院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP274
- Published：2010
- 稿件说明：
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SHI Xin1, ZHAO Huaping1, ZHOU Xizhong2, et al. DEVELOPMENT OF ON-LINE CALIBRATION SYSTEM FOR SAFETY VALVES IN POWER PLANTS BASED ON ARM AND ETHERNET TECHNOLOGY[J]. Thermal Power Generation, 2010, 39(11): 82-84.
DOI：

SHI Xin1, ZHAO Huaping1, ZHOU Xizhong2, et al. DEVELOPMENT OF ON-LINE CALIBRATION SYSTEM FOR SAFETY VALVES IN POWER PLANTS BASED ON ARM AND ETHERNET TECHNOLOGY[J]. Thermal Power Generation, 2010, 39(11): 82-84. DOI：

摘要

研发了一种基于ARM和以太网技术的安全阀在线校验系统

主要包括信号调整、数据采集、嵌入式处理系统。ARM数据采集单元软件采用嵌入式Linux操作系统进行网络应用程序的开发

通过以太网接口与上位机(PC机)通信进行远距离安全阀在线校验。系统选用了高精度的压力传感器和阀杆位移传感器

在信号处理算法、数据采集速度精度、接口的兼容性和扩展性等诸多方面优势明显

可以更为准确地判断安全阀的开启压力。

Abstract

A new on-line calibration system for safety valves in power plants based on ARM and ethernet technology has been developed

mainly including signal regulation

data acquisition

and embeded processing system.The software of ARM data acqiesition unit adopts embeded Linux operating system to carry out development of applied programme for the networks

through interface of ethernet to realize communication with upper computer(PC) to complete on-line calibration of safety valves.The highly accurate pressure transducer and valve stem displacement sensor have been selected

boasting superiority in many aspects

such as algorithm for signal processing

velocity and accuracy in data acquisition

compatibility and expandibility of the interface etc.

can more accurately judge the open pressure of the safety valves

reducing occurrence of errors.

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