一种基于物联网的超声流量测量及实验标定
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TH814.92

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国家重点研发计划课题(2019YFC1804704)


An ultrasonic flow meter based on Internet of things and its experimental calibration
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    摘要:

    为解决智慧城市建设中的城市管网水流量监测及调蓄任务,通过设计一种基于物联网的水流速流量测量仪,包括超声波多普勒流速探头(带温度修正)、蓄电池及充电部分(电量监测)、GPRS模组、接口按键、液晶显示屏、扩展串行接口、STM32F103主控制器的方法研究实现了对水流速流量测量,并通过物联网将测量结果同步到云端服务器,同时通过网页端还可查看节点实时和历史流速、流量、液位数据。结果表明:三者测量数据相互印证,误差在3%以内。可见本测量仪检测精准且自动化程度高。

    Abstract:

    In order to solve the task of monitoring and regulating the water flow of urban pipe network in the construction of smart city, a water velocity and flow measurement instrument based on Internet of things is designed, including ultrasonic Doppler velocity probe (with temperature correction), battery and charging part (power monitoring), GPRS module, interface button, LCD, extended serial interface and STM32F103 main controller At the same time, the web page can also view the real-time and historical flow rate, flow and liquid level data of nodes. The results show that the measurement data of the three methods confirm each other, and the error is within 3%. It is concluded that the instrument has high automation and measurement accuracy.

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刘 恒,刘 康,刘远林,等. 一种基于物联网的超声流量测量及实验标定[J]. 科学技术与工程, 2021, 21(19): 8011-8017.
Liu Heng, Liu Kang, Liu Yuanlin, et al. An ultrasonic flow meter based on Internet of things and its experimental calibration[J]. Science Technology and Engineering,2021,21(19):8011-8017.

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  • 收稿日期:2020-11-24
  • 最后修改日期:2021-04-26
  • 录用日期:2021-03-17
  • 在线发布日期: 2021-07-22
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