基于HART协议的多变量涡街流量计  

Multi-variable Vortex Flowmeter Based on HART Protocol

作　　者：刘海勇[1] 马永成[1] 莫德举[1] 

机构地区：[1]北京化工大学信息科学与技术学院,北京100029

出　　处：《自动化与仪表》2005年第2期17-19,22,共4页Automation & Instrumentation

摘　　要：在传统涡街流量计的基础上,设计出符合H ART协议的二线制一体化多变量涡街流量计。阐述了传感器工作原理、系统设计结构和硬件电路组成。通过H A RT调制解调器实现了仪表与系统的双向数字通信。On the basis of traditional vortex flowmeter,a 2-wire all-in-one multi-variable vortex transducer based on HART protocol is designed. Operational principle of sensor,the structure of system design and the composing of circuit are described. Intercommunication between the instrument and the system with HART modems are realized.

关 键 词：流量计 多变量 涡街 HART协议 

分 类 号：TH814[机械工程—仪器科学与技术]