基于低频方波励磁的电磁流量计驱动电路设计  

The Drive Circuit Design of the Electomagnetic Flow-meter Based on Low-Frequency Square-wave Excitation

作　　者：刘宏利 陈立卿 

机构地区：[1]海军92676部队 [2]内蒙古地质勘查有限责任公司

出　　处：《电子技术（上海）》2014年第1期50-51,10,共3页Electronic Technology

摘　　要：随着电子技术的不断发展,电磁流量计性能不断提高,作为重要的计量仪表,具有广阔的发展前景。励磁方式一直是电磁流量计的研究重点,文章设计了一种基于低频方波励磁方式的电磁流量计电路,对励磁电路关键部分进行了详细阐述。通过大庆油田模拟井实验,证明该电路具有良好的稳定性和精确度。With the continuous development of electronic technology, the performance of electromagnetic flow-meter has been improved continuously. As an important metering instrument it has broad development prospect. The excitation has been the research focus of electromagnetic flow-meter, this paper designs a circuit for electromagnetic flow-meter based on low-frequency square-wave excitation, and describes in detail the key parts of the excitation circuit. Through the simulation experiment in Daqing Oilfleld it is proved that the circuit has good reliability and accuracy.

关 键 词：电磁流量计 励磁方式 低频方波 

分 类 号：TE863.1[石油与天然气工程—油气储运工程]