CN110763278A - Measuring method for measuring fluid medium parameters in pipeline - Google Patents
Measuring method for measuring fluid medium parameters in pipeline Download PDFInfo
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- CN110763278A CN110763278A CN201911110281.5A CN201911110281A CN110763278A CN 110763278 A CN110763278 A CN 110763278A CN 201911110281 A CN201911110281 A CN 201911110281A CN 110763278 A CN110763278 A CN 110763278A
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- pipeline
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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Abstract
The invention discloses a measuring method for measuring fluid medium parameters in a pipeline, which comprises a fluid medium parameter measuring device, wherein a plurality of sets of fluid medium parameter measuring devices are arranged on the pipeline along the circumferential direction of the pipeline, and the average value of the measuring results of the plurality of sets of fluid medium parameter measuring devices is selected as the fluid medium parameter measuring value. The method can relatively accurately measure the parameters of the fluid medium in the measured pipeline.
Description
Technical Field
The invention relates to a method for measuring parameters of a fluid medium in a pipeline, wherein the parameters of the fluid medium comprise the temperature, the density and the flow of the fluid medium.
Background
In the prior art, a method for measuring parameters of a fluid medium in a pipeline, the parameters of the fluid medium mainly including temperature, density and flow rate of the fluid medium, usually adopts a single temperature sensor, a single densimeter and a single flow meter, and specifically, the temperature sensor, the single densimeter or the single flow meter is vertically inserted into the pipeline to be measured, and when the temperature sensor, the single densimeter or the single flow meter is damaged, the measurement result is directly inaccurate.
Disclosure of Invention
The invention aims to provide a method for measuring fluid medium parameters in a measuring pipeline, which can relatively accurately measure the fluid medium parameters in the pipeline.
In order to solve the technical problem, the invention provides a measuring method for measuring parameters of fluid media in a pipeline, which comprises a fluid media parameter measuring device, wherein a plurality of sets of fluid media parameter measuring devices are arranged on the pipeline along the circumferential direction of the pipeline, and the average value of the measuring results of the plurality of sets of fluid media parameter measuring devices is selected as the fluid media parameter measuring value.
The invention relates to a method for measuring the parameter of fluid medium in a pipeline, which adopts a plurality of sets of fluid medium parameter measuring devices to be arranged on the pipeline along the circumferential direction of the pipeline, the average value of the measuring results of the plurality of sets of fluid medium parameter measuring devices is selected as the measured value of the fluid medium parameter, the measuring structure is more accurate, when one set of measuring device is damaged, the average value of the measuring results of other measuring devices can be taken, and the measuring result is still relatively accurate.
Furthermore, the parameters of the fluid medium comprise the temperature, the density and the flow rate of the fluid medium, when the parameters of the fluid medium in the measuring pipeline are the temperature, a plurality of temperature sensors are inserted at intervals, evenly and vertically along the circumferential direction of the pipeline, and the distance between each temperature sensor inserted into the pipeline and the axis of the pipeline is different; when the parameter of the fluid medium in the measuring pipeline is density, a plurality of densitometers are inserted at intervals, uniformly and vertically along the circumferential direction of the pipeline, and the distances from the densitometers inserted into the pipeline to the axis of the pipeline are different; when the parameter of the fluid medium in the measuring pipeline is flow, a plurality of flowmeters are vertically inserted into the measuring pipeline at intervals and uniformly distributed along the circumferential direction of the pipeline, and the distances from the flowmeters inserted into the pipeline to the axis of the pipeline are different.
The flowmeter can be an electromagnetic flowmeter or a Pitotbar flowmeter.
According to the measuring method, when the temperature of the fluid medium is measured, the average value of the measuring results of the plurality of temperature sensors can be taken, the measuring results are relatively accurate, when one temperature sensor is damaged, the average value of the measuring results of other temperature sensors can be taken, and the measuring results are still accurate; when the density of the fluid medium is measured, the average value of the measurement results of a plurality of densitometers can be taken, the measurement result is relatively accurate, when a certain densitometer is damaged, the average value of the measurement results of other densitometers can be taken, and the measurement result is still relatively accurate; when the flow of the fluid medium is measured, the average value of the measurement results of the plurality of flowmeters can be taken, the measurement results are relatively accurate, when a certain flowmeter is damaged, the average value of the measurement results of other flowmeters can be taken, and the measurement results are still relatively accurate.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings, which only show the schematic structural diagram of measuring the flow rate of the fluid medium in the pipeline by using the electromagnetic flowmeter.
FIG. 1 is a schematic structural diagram of measuring the flow rate of a fluid in a pipeline by using an electromagnetic flowmeter in the measuring method for measuring the parameter of the fluid medium in the pipeline according to the invention.
Detailed Description
The invention relates to a method for measuring parameters of a fluid medium in a pipeline, wherein the parameters of the fluid medium comprise the temperature, the density and the flow of the fluid medium, and the method is characterized in that: when the parameter of the fluid medium in the measuring pipeline is temperature, a plurality of temperature sensors are inserted at intervals, uniformly and vertically along the circumferential direction of the pipeline, and the distance between each temperature sensor inserted into the pipeline and the axis of the pipeline is different; when the parameter of the fluid medium in the measuring pipeline is density, a plurality of densitometers are inserted at intervals, uniformly and vertically along the circumferential direction of the pipeline, and the distances from the densitometers inserted into the pipeline to the axis of the pipeline are different; when the parameter of the fluid medium in the measuring pipeline is flow, a plurality of flowmeters are vertically inserted into the measuring pipeline at intervals and uniformly distributed along the circumferential direction of the pipeline, and the distances from the flowmeters inserted into the pipeline to the axis of the pipeline are different. The flowmeter in the invention is an electromagnetic flowmeter and can also be a Pitotbar flowmeter.
Fig. 1 is a schematic structural diagram of a method for measuring parameters of a fluid medium in a pipeline, in which an electromagnetic flowmeter 2 is used to measure the flow rate of the fluid in the pipeline 1.
Claims (3)
1. A measuring method for measuring parameters of a fluid medium in a pipeline is provided with a fluid medium parameter measuring device, and is characterized in that: the fluid medium parameter measuring devices are arranged on the pipeline along the circumferential direction of the pipeline, and the average value of the measuring results of the fluid medium parameter measuring devices is selected as the fluid medium parameter measuring value.
2. A method of measuring a parameter of a fluid medium in a pipe according to claim 1, wherein: the parameters of the fluid medium comprise the temperature, the density and the flow of the fluid medium, when the parameters of the fluid medium in the measuring pipeline are the temperature, a plurality of temperature sensors are inserted at intervals and uniformly in the circumferential direction of the pipeline and are inserted vertically, and the distance between each temperature sensor inserted into the pipeline and the axis of the pipeline is different; when the parameter of the fluid medium in the measuring pipeline is density, a plurality of densitometers are inserted at intervals, uniformly and vertically along the circumferential direction of the pipeline, and the distances from the densitometers inserted into the pipeline to the axis of the pipeline are different; when the parameter of the fluid medium in the measuring pipeline is flow, a plurality of flowmeters are vertically inserted into the measuring pipeline at intervals and uniformly distributed along the circumferential direction of the pipeline, and the distances from the flowmeters inserted into the pipeline to the axis of the pipeline are different.
3. A method of measuring a parameter of a fluid medium in a pipe according to claim 2, wherein: the flowmeter is an electromagnetic flowmeter or a Pitotbar flowmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911110281.5A CN110763278A (en) | 2019-11-14 | 2019-11-14 | Measuring method for measuring fluid medium parameters in pipeline |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911110281.5A CN110763278A (en) | 2019-11-14 | 2019-11-14 | Measuring method for measuring fluid medium parameters in pipeline |
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| CN110763278A true CN110763278A (en) | 2020-02-07 |
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| CN201911110281.5A Pending CN110763278A (en) | 2019-11-14 | 2019-11-14 | Measuring method for measuring fluid medium parameters in pipeline |
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| CN103453668A (en) * | 2013-05-03 | 2013-12-18 | 南阳师范学院 | Solar water heater with multiple temperature sensors |
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| CN103868623A (en) * | 2014-03-10 | 2014-06-18 | 北京印刷学院 | Device and method for measuring temperature of liquid inside pipeline |
| CN204242603U (en) * | 2014-11-11 | 2015-04-01 | 中科华核电技术研究院有限公司 | Hot channel temperature survey sleeve pipe |
| CN205719059U (en) * | 2016-03-04 | 2016-11-23 | 黄立新 | A kind of chimneying flow measurement device |
| CN109507446A (en) * | 2018-11-02 | 2019-03-22 | 徐州瑞田工程机械有限公司 | A kind of rotating speed of automobile engine detection method |
| CN109975578A (en) * | 2019-04-09 | 2019-07-05 | 武汉新烽光电股份有限公司 | Runoff velocity method for real-time measurement, system and control device |
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2019
- 2019-11-14 CN CN201911110281.5A patent/CN110763278A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1615429A (en) * | 2002-01-10 | 2005-05-11 | 瑞进Instech株式会社 | Multi-point averaging flow meter |
| CN1678889A (en) * | 2002-08-29 | 2005-10-05 | 株式会社山武 | Thermal flowmeter |
| CN100350223C (en) * | 2002-08-29 | 2007-11-21 | 株式会社山武 | Thermal flowmeter |
| CN201583291U (en) * | 2009-12-16 | 2010-09-15 | 敬周怀 | Plug-in multi point anemometer |
| CN103674136A (en) * | 2012-09-17 | 2014-03-26 | 东京计装株式会社 | Thermal flowmeter |
| CN203132610U (en) * | 2012-12-28 | 2013-08-14 | 重庆川仪自动化股份有限公司 | Multisensor inserting-type electromagnetic flowmeter |
| CN103453668A (en) * | 2013-05-03 | 2013-12-18 | 南阳师范学院 | Solar water heater with multiple temperature sensors |
| CN103868623A (en) * | 2014-03-10 | 2014-06-18 | 北京印刷学院 | Device and method for measuring temperature of liquid inside pipeline |
| CN204242603U (en) * | 2014-11-11 | 2015-04-01 | 中科华核电技术研究院有限公司 | Hot channel temperature survey sleeve pipe |
| CN205719059U (en) * | 2016-03-04 | 2016-11-23 | 黄立新 | A kind of chimneying flow measurement device |
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| CN109975578A (en) * | 2019-04-09 | 2019-07-05 | 武汉新烽光电股份有限公司 | Runoff velocity method for real-time measurement, system and control device |
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Effective date of registration: 20210107 Address after: 112600 No. 265, Ling Dong Street, Tieling Economic Development Zone, Tieling, Liaoning Applicant after: Liaoning pitotbar Polytron Technologies Inc. Address before: 201600 building 24, 506 South Ring Road, Songjiang District, Shanghai Applicant before: SHANGHAI QUANYOU ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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