便携式超声波流量计的设计及实现  

Design and Implementation of Portable Ultrasonic Flowmeter

作　　者：王新 张博 WANG Xin;ZHANG Bo(Tangshan Dafang Huizhong Instrument Co.,Ltd.,Tangshan 063012)

机构地区：[1]唐山大方汇中仪表有限公司,唐山063012

出　　处：《现代制造技术与装备》2023年第11期70-72,共3页Modern Manufacturing Technology and Equipment

摘　　要：介绍了时差式超声波流量计的工作原理,设计一种采用锂电池供电的便携式超声波流量计,具有体积小、快速充电、低功耗、多管道参数记忆、测量数据自动存储及通用串行总线(Universal Serial Bus,USB)通信功能,可显示瞬时流量曲线并自动计算平均流量。通过标准表法液体流量标准装置检定,便携式超声波流量计的准确度达到1.5级,与现场流量计进行比对,满足在线校准的功能需求。Introduced the working principle of the time difference ultrasonic flowmeter,design a portable ultrasonic flowmeter powered by a lithium battery,featuring small size,fast charging,low power consumption,multi channel parameter memory,automatic storage of measurement data,and Universal Serial Bus(USB)communication functions,it can display instantaneous flow curve and automatically calculate average flow rate.Verification of liquid flow standard device through standard meter method,the accuracy level of portable ultrasonic flow meters reaches level 1.5,compare with the on-site flow meter to meet the functional requirements of online calibration.

关 键 词：超声波流量计 便携式 低功耗 在线校准 

分 类 号：TH814.92[机械工程—仪器科学与技术]