振弦式土压力计自动校准系统设计及应用研究  

Design and implementation of automatic calibration system for vibrating wire earth pressure gauge

作　　者：李林[1] 韩鸿胜[2] 周振杰 LI Lin;HAN Hongsheng;ZHOU Zhenjie(Patent Office of the State Intellectual Property Office,Beijing 100088,China;Tianjin Research Institute for Water Transport Engineering,Minsitry of Transport,National Centre for Metrization of Testing Equipments for Water Transport Engineering,Tianjin 300456,China)

机构地区：[1]国家知识产权局专利局,北京100088 [2]交通运输部天津水运工程科学研究所国家水运工程检测设备计量站,天津300456

出　　处：《水道港口》2024年第2期308-312,共5页Journal of Waterway and Harbor

基　　金：交通运输标准化项目(JJG 2017-14);国家重点研发计划项目(2022YFB3207400)。

摘　　要：随着智慧港口和智慧航道建设的发展,监测传感器的自动化计量已成为未来发展趋势。通过分析监测传感器——振弦式土压力计的组成和工作原理、校准需求及难点,设计并研制了一套自动化校准系统。以工控机为控制核心,以自动加压系统、频率采集仪为标准器,通过控制系统自动加压和测量被检设备输出频率模数值,可实现压力标准值的设置输出、频率测量值的自动记录存储及运算处理、历史数据管理及生成校准报告等目标。试验表明其各项程序和指标均能满足振弦式土压力计的校准要求,可直接用于相关计量校准工作。With the development of smart ports and smart waterways,the automation of monitoring sensors has become a future trend.This paper analyzes the composition and working principle of monitoring sensors,specifically the vibrating wire soil pressure gauge,as well as the calibration requirements and challenges.A set of automated calibration system is designed and developed accordingly.The system employs an industrial computer as the control core,with an automatic pressurization system and a frequency acquisition instrument as standard devices.Through the control system,the system can automatically apply pressure and measure the output frequency modulus of the tested equipment,achieving objectives such as setting and outputting pressure standard values,automatically recording and storing frequency measurement values,processing and computing data,managing historical data,and generating calibration reports.Experimental results demonstrate that all procedures and indicators of the system meet the calibration requirements of vibrating wire soil pressure gauges,making it suitable for relevant metrological calibration work.

关 键 词：智慧港口 智慧航道 土压力计 校准 比较法 

分 类 号：U65[交通运输工程—港口、海岸及近海工程] TB936[交通运输工程—船舶与海洋工程]