JP2017223654A - 配管内を流れる流体の流速を測定するための装置及び方法 - Google Patents
配管内を流れる流体の流速を測定するための装置及び方法 Download PDFInfo
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- 238000005859 coupling reaction Methods 0.000 claims abstract description 50
- 238000011156 evaluation Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 17
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- 238000004519 manufacturing process Methods 0.000 description 2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
- G01P5/245—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by measuring transit time of acoustical waves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
- G01P5/241—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by using reflection of acoustical waves, i.e. Doppler-effect
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/662—Constructional details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/18—Supports or connecting means for meters
- G01F15/185—Connecting means, e.g. bypass conduits
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
- G01H9/008—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means by using ultrasonic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
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Abstract
Description
Claims (15)
- 外側から配管壁(22)に取り付けられた少なくとも1つの超音波変換器(18a〜b)と、前記配管壁(22)の部分領域(32)に結合された振動子(34)とを備え、前記部分領域(32)が前記超音波変換器(18a〜b)の振動可能な振動板として作用する、配管(14)内を流れる流体の流速を測定するための測定装置(10)において、
前記振動板(32)と前記振動子(34)の間に該振動子(34)の断面よりも小さい断面を有する結合片(36)が配置されていることを特徴とする測定装置(10)。 - 前記振動子(34)が縦方向及び横方向に振動可能であることを特徴とする請求項1に記載の測定装置(10)。
- 前記結合片(36)が前記配管壁(22)と一体的に形成されていることを特徴とする請求項1又は2に記載の測定装置(10)。
- 外側から前記配管(14)内に付設されたポケット部(30)を備え、該ポケット部(30)の底面が前記振動板(32)を成し、該振動板(32)上に前記結合片(36)が配置されていることを特徴とする請求項1〜3のいずれかに記載の測定装置(10)。
- 前記振動子(34)が少なくとも部分的に前記ポケット部(30)内に配置されていることを特徴とする請求項4に記載の測定装置(10)。
- 前記ポケット部(30)が変換器ホルダ(24)により外部に対して閉じられていることを特徴とする請求項4又は5に記載の測定装置(10)。
- 前記振動子(34)が前記変換器ホルダ(24)と弾性的に結合されていることを特徴とする請求項6に記載の測定装置(10)。
- 前記ポケット部(30)が円柱状又は円錐台状の部分を備えていることを特徴とする請求項4〜7のいずれかに記載の測定装置(10)。
- 前記振動子(34)が平行六面体状又は円柱状に形成されていることを特徴とする請求項1〜8のいずれかに記載の測定装置(10)。
- 前記結合片(36)が円柱状又は円錐台状の部分を有していることを特徴とする請求項1〜9のいずれかに記載の測定装置(10)。
- 前記流体(12)が液体であることを特徴とする請求項1〜10のいずれかに記載の測定装置(10)。
- 流れを挟み且つ流れ方向にずれた状態で対向する少なくとも2つの超音波変換器(18a〜b)と、該2つの超音波変換器(18a〜b)の間で超音波信号を交換し、流れと同方向及び逆方向にそれぞれ発信されて再度受信された超音波の伝播時間の差に基づいて流速を測定するように構成された評価ユニットとを備えていることを特徴とする請求項1〜11のいずれかに記載の測定装置(10)。
- 配管(14)内を流れる流体(12)の流速を測定する方法であって、外側から配管壁(22)に取り付けられた超音波変換器(18a〜b)の振動子(34)を前記配管壁(22)の部分領域(32)と結合することにより該部分領域(32)を振動可能な振動板として利用する方法において、
超音波が振動板(32)と振動子(34)の間で結合片(36)を通じて伝送され、該結合片(36)の断面が前記振動子(34)の断面よりも小さいことを特徴とする方法。 - 前記振動子(34)が振動時に縦方向及び横方向に動かされることを特徴とする請求項13に記載の方法。
- 前記超音波が、前記配管壁(22)と一体的に成型された結合片(36)を通じて、振動子(34)と配管壁(22)の間で直接伝送されることを特徴と得る請求項13又は14に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16170299.8A EP3246668B1 (de) | 2016-05-19 | 2016-05-19 | Messvorrichtung und verfahren zum bestimmen der strömungsgeschwindigkeit eines in einer leitung strömenden fluids |
EP16170299.8 | 2016-05-19 |
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JP2017223654A true JP2017223654A (ja) | 2017-12-21 |
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JP2017082579A Pending JP2017223654A (ja) | 2016-05-19 | 2017-04-19 | 配管内を流れる流体の流速を測定するための装置及び方法 |
Country Status (6)
Country | Link |
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US (1) | US10408649B2 (ja) |
EP (1) | EP3246668B1 (ja) |
JP (1) | JP2017223654A (ja) |
KR (1) | KR101919872B1 (ja) |
CN (1) | CN107422144B (ja) |
RU (1) | RU2659353C1 (ja) |
Families Citing this family (6)
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JP6582368B2 (ja) * | 2014-07-23 | 2019-10-02 | 東京電力ホールディングス株式会社 | 流量計測装置および流量計測方法 |
EP3333552B1 (de) | 2016-12-07 | 2019-02-13 | SICK Engineering GmbH | Ultraschall-durchflussmessvorrichtung und ihr herstellungsverfahren |
DE102017006909A1 (de) * | 2017-07-20 | 2019-01-24 | Diehl Metering Gmbh | Messmodul zur Ermittlung einer Fluidgröße |
PL3665443T3 (pl) * | 2017-08-08 | 2023-10-02 | Gwf Messsysteme Ag | Przepływomierz oraz przewód pomiarowy |
EP3521773B1 (de) | 2018-02-06 | 2021-09-29 | SICK Engineering GmbH | Ultraschall-durchflussmessvorrichtung und verfahren zum bestimmen einer strömungsgeschwindigkeit |
US11774337B2 (en) | 2020-12-29 | 2023-10-03 | James J Chen | Device and method for fluid and equipment monitoring |
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2016
- 2016-05-19 EP EP16170299.8A patent/EP3246668B1/de active Active
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- 2017-04-18 US US15/489,986 patent/US10408649B2/en active Active
- 2017-04-19 JP JP2017082579A patent/JP2017223654A/ja active Pending
- 2017-04-25 CN CN201710274170.2A patent/CN107422144B/zh active Active
- 2017-05-11 RU RU2017116213A patent/RU2659353C1/ru active
- 2017-05-18 KR KR1020170061801A patent/KR101919872B1/ko active IP Right Grant
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CN107422144B (zh) | 2019-12-10 |
EP3246668B1 (de) | 2018-07-25 |
CN107422144A (zh) | 2017-12-01 |
US10408649B2 (en) | 2019-09-10 |
RU2659353C1 (ru) | 2018-06-29 |
KR20170131265A (ko) | 2017-11-29 |
KR101919872B1 (ko) | 2018-11-19 |
US20170336231A1 (en) | 2017-11-23 |
EP3246668A1 (de) | 2017-11-22 |
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