四声道超声波流量计收发电路设计  

Design of Four-channel Ultrasonic Flowmeter Transceiver Circuit

作　　者：蔡忠兴[1] 赵辉[1] 徐南[1] 

机构地区：[1]电子科技大学自动化工程学院,成都610054

出　　处：《自动化与仪表》2009年第1期13-17,共5页Automation & Instrumentation

摘　　要：介绍了超声波流量计的工作原理,设计出一种简单高效的四声道超声波驱动电路及回波接收电路。着重介绍了四声道电路的设计,信号接收电路采用集成芯片放大滤波,本系统主要应用于超声波气体流量计。实验结果表明,发射效率高、回波信号良好。The principle of the ultrasonic flowmeter is introduced. This paper also designs a simple and highly efficient four-channel ultrasonic drive circuit and echo reception circuit,Focusing on a four-channel circuit design. Signal receiving circuit uses integrated chips to enlarge and filtering. This system is mainly used in ultrasonic gas flow meter. The results show that the design is efficent.

关 键 词：超声波传感器 多路开关 继电器 滤波 

分 类 号：TH814[机械工程—仪器科学与技术]