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A pipeline flow measurement device and method based on convective heat transfer phenomenon

A flow measurement device and technology of thermal phenomena, applied in the field of pipeline flow measurement, can solve the problems of low precision, complex structure of pipeline liquid flowmeter, etc.

Active Publication Date: 2021-08-31
HOHAI UNIV
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  • Abstract
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Problems solved by technology

[0003] Purpose of the invention: Aiming at the problems of complex structure and low precision of existing pipeline liquid flowmeters, the first purpose of the present invention is to provide a convenient pipeline flow measurement device based on convective heat transfer phenomenon; the second purpose of the present invention is to provide A Pipeline Flow Measurement Method Based on Convective Heat Transfer Phenomenon

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  • A pipeline flow measurement device and method based on convective heat transfer phenomenon
  • A pipeline flow measurement device and method based on convective heat transfer phenomenon

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Embodiment Construction

[0016] In order to illustrate the technical solutions disclosed by the present invention in detail, the present invention will be further described in detail below with reference to the accompanying drawings.

[0017] like Figures 1 to 2 As shown in the figure, a pipeline flow measurement device based on convective heat transfer provided by the present invention mainly includes a pipeline 101, a thermal insulation layer 102, a heater 103, a temperature sensor 104, a single-chip microcomputer 105, a thermal insulation bracket 201, a thermal insulation thin-walled circular tube 202, Thermocouple K-type sheet temperature measurement sensor 401 and non-contact infrared lattice temperature measurement module 402.

[0018] According to the temperature information of the pipeline 101 collected by the temperature sensor 104 under the simulated flow rate, the single-chip microcomputer 105 of this embodiment establishes a database corresponding to the temperature information and the si...

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Abstract

The invention discloses a pipeline flow measurement device and method based on the convective heat transfer phenomenon. The measurement device is composed of a pipeline, a heat insulation layer, a heater, a temperature sensor and a data acquisition and analysis system. The heat layer uses the heater outside the pipeline to heat the pipeline locally and quickly; the temperature sensor is installed in the heated area of ​​the pipeline and connected to the single-chip microcomputer for control; the single-chip microcomputer obtains the liquid flow through the pipeline by analyzing the data sent by the temperature sensor . The measuring device provided by the present invention is easy to operate, and the measurement data obtained by converting the flow measurement into the instant temperature measurement method of the heated pipeline is reliable, and the accuracy of the flow measurement is also improved, and it is widely used in many fields such as industry, agriculture, and the environment. Pipe flow measurement.

Description

technical field [0001] The invention belongs to the measurement of pipeline flow, in particular to a pipeline flow measurement device and method based on convection heat transfer phenomenon. Background technique [0002] With the rapid development of industrial technology, flow measurement technology has become increasingly mature and has been widely used in farmland irrigation, water conservancy projects, petrochemicals, metallurgy and pharmaceuticals and other fields. Liquid flowmeters are currently commonly used volumetric flowmeters, differential pressure flowmeters, float flowmeters, turbine flowmeters, and electromagnetic flowmeters. However, when using pipeline liquid flowmeters in all walks of life, it is generally inconvenient to disassemble, resulting in the inability to submit for inspection offline. This urgently requires a flow measurement method with accurate measurement results, convenient installation and disassembly, and economical price. SUMMARY OF THE IN...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01F1/684G01F1/696
CPCG01F1/684G01F1/696
Inventor 郭航王海渝徐俊增廖林仙顾哲李帅
Owner HOHAI UNIV