JP4578406B2 - 流れ計測装置 - Google Patents
流れ計測装置 Download PDFInfo
- Publication number
- JP4578406B2 JP4578406B2 JP2005511622A JP2005511622A JP4578406B2 JP 4578406 B2 JP4578406 B2 JP 4578406B2 JP 2005511622 A JP2005511622 A JP 2005511622A JP 2005511622 A JP2005511622 A JP 2005511622A JP 4578406 B2 JP4578406 B2 JP 4578406B2
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- JP
- Japan
- Prior art keywords
- flow
- flow path
- measurement
- measuring device
- channel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F5/00—Measuring a proportion of the volume flow
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F7/00—Volume-flow measuring devices with two or more measuring ranges; Compound meters
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Measuring Volume Flow (AREA)
Description
Claims (10)
- 流路内に区画形成された計測流路と、前記計測流路を流れる流体の流速を計測するために配設された少なくとも一対の超音波送受信手段と、前記超音波送受信手段による計測結果に基づき計測流路を含む流路全体の流体の平均流速および総流量を推測する推測手段とを具備しており、
前記流路の中心領域に前記計測流路を位置させた流れ計測装置。 - 前記流路を複数の小流路に分割し、これら小流路の一つを前記計測流路に設定した請求項1に記載の流れ計測装置。
- 前記小流路がマトリクス状に分割された請求項2に記載の流れ計測装置。
- 前記超音波送受信手段間の超音波伝搬時間を計測する計時手段およびこの計時手段からの出力に基づいて流体の平均流速および総流量を推測する前記推測手段を流路外に配置し、前記計時手段と前記超音波送受信手段とを連絡する配線を複数の前記小流路に分割する仕切板に沿って導いた請求項2又は請求項3に記載の流れ計測装置。
- 前記流路の前記計測流路より上流側に流体の整流を行う整流手段を配置した請求項1〜4のうちいずれか1項に記載の流れ計測装置。
- 前記計測流路の流入口側に流体の整流を行う第2の整流手段を配置した請求項5に記載の流れ計測装置。
- 前記流路の横断面形状を円形状に、前記計測流路の横断面形状を矩形形状に、それぞれ形成した請求項1〜6のうちいずれか1項に記載の流れ計測装置。
- 電池を電源とする請求項1〜7のうちいずれか1項に記載の流れ計測装置。
- 前記小流路の横断面形状を略正方形状とした請求項2又は請求項3に記載の流れ計測装置。
- 前記整流手段の代わりに偏向手段を設け、前記偏向手段は、旋回方向に流れを導く固定翼を含む請求項5に記載の流れ計測装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003274688 | 2003-07-15 | ||
JP2003274688 | 2003-07-15 | ||
PCT/JP2004/010452 WO2005005932A1 (ja) | 2003-07-15 | 2004-07-15 | 流れ計測装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2005005932A1 JPWO2005005932A1 (ja) | 2006-08-24 |
JP4578406B2 true JP4578406B2 (ja) | 2010-11-10 |
Family
ID=34056083
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005511622A Active JP4578406B2 (ja) | 2003-07-15 | 2004-07-15 | 流れ計測装置 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP4578406B2 (ja) |
CN (1) | CN100374827C (ja) |
TW (1) | TWI336769B (ja) |
WO (1) | WO2005005932A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3370039A1 (de) * | 2017-03-03 | 2018-09-05 | MAN Truck & Bus AG | Kraftfahrzeug-rohrleitung mit einem mischelement aus einer drahtstruktur |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5229164B2 (ja) * | 2009-09-02 | 2013-07-03 | パナソニック株式会社 | 流体の流れ計測装置 |
PL2375224T3 (pl) * | 2010-03-18 | 2016-07-29 | Sick Engineering Gmbh | Ultradźwiękowe urządzenie pomiarowe i sposób pomiaru prędkości przepływu płynu |
JP5682156B2 (ja) * | 2010-06-24 | 2015-03-11 | パナソニックIpマネジメント株式会社 | 超音波式流量計測装置 |
JP5728841B2 (ja) * | 2010-07-26 | 2015-06-03 | オムロン株式会社 | 流量測定用構造体および流量測定装置 |
CN102032932B (zh) * | 2010-10-26 | 2012-09-05 | 周岳建 | 一种超声波流量计 |
DE102011103859A1 (de) * | 2011-05-27 | 2012-11-29 | Krohne Ag | Hilfseinrichtung für Durchflussmessgeräte |
JP2014077679A (ja) * | 2012-10-10 | 2014-05-01 | Panasonic Corp | 流量計 |
JP2014092467A (ja) * | 2012-11-05 | 2014-05-19 | Panasonic Corp | 流量計測装置 |
JP6229144B2 (ja) * | 2013-04-23 | 2017-11-15 | パナソニックIpマネジメント株式会社 | 流量計測装置 |
DE102013009347A1 (de) * | 2013-06-04 | 2014-12-04 | Hydrometer Gmbh | Durchflussmesser |
DE102014216553B3 (de) * | 2014-08-20 | 2016-02-11 | Landis+Gyr Gmbh | Durchflussmesser mit einem in ein Gehäuse eingesetzten Messeinsatz |
DE102015008146A1 (de) * | 2015-06-24 | 2016-12-29 | Diehl Metering Gmbh | Durchflusszähler |
US11662242B2 (en) | 2018-12-31 | 2023-05-30 | Rain Bird Corporation | Flow sensor gauge |
EP3677877A1 (de) * | 2019-01-02 | 2020-07-08 | Engelmann Sensor GmbH | Messrohr und ultraschall-durchflussmengenmesser |
CN110646043A (zh) * | 2019-11-04 | 2020-01-03 | 中国计量科学研究院 | 一种低声道数的气体超声流量测量方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001336962A (ja) * | 2000-05-30 | 2001-12-07 | Hitachi Ltd | 空気流量測定装置に用いられる樹脂整流格子 |
JP2003161651A (ja) * | 2001-11-27 | 2003-06-06 | Mitsubishi Heavy Ind Ltd | 音波式計測装置 |
JP2003185477A (ja) * | 2001-12-21 | 2003-07-03 | Yazaki Corp | 流量計 |
JP2003194605A (ja) * | 2001-12-28 | 2003-07-09 | Matsushita Electric Ind Co Ltd | 超音波流量計測装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100495970B1 (ko) * | 2000-10-10 | 2005-06-17 | 마쯔시다덴기산교 가부시키가이샤 | 유량 계측 장치 |
-
2004
- 2004-07-15 CN CNB2004800185318A patent/CN100374827C/zh not_active Expired - Fee Related
- 2004-07-15 WO PCT/JP2004/010452 patent/WO2005005932A1/ja active Application Filing
- 2004-07-15 TW TW093121139A patent/TWI336769B/zh not_active IP Right Cessation
- 2004-07-15 JP JP2005511622A patent/JP4578406B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001336962A (ja) * | 2000-05-30 | 2001-12-07 | Hitachi Ltd | 空気流量測定装置に用いられる樹脂整流格子 |
JP2003161651A (ja) * | 2001-11-27 | 2003-06-06 | Mitsubishi Heavy Ind Ltd | 音波式計測装置 |
JP2003185477A (ja) * | 2001-12-21 | 2003-07-03 | Yazaki Corp | 流量計 |
JP2003194605A (ja) * | 2001-12-28 | 2003-07-09 | Matsushita Electric Ind Co Ltd | 超音波流量計測装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3370039A1 (de) * | 2017-03-03 | 2018-09-05 | MAN Truck & Bus AG | Kraftfahrzeug-rohrleitung mit einem mischelement aus einer drahtstruktur |
US11053895B2 (en) | 2017-03-03 | 2021-07-06 | Man Truck & Bus Ag | Motor vehicle pipeline with a mixing element made from a wire structure |
Also Published As
Publication number | Publication date |
---|---|
CN1816735A (zh) | 2006-08-09 |
TW200508574A (en) | 2005-03-01 |
JPWO2005005932A1 (ja) | 2006-08-24 |
WO2005005932A1 (ja) | 2005-01-20 |
TWI336769B (en) | 2011-02-01 |
CN100374827C (zh) | 2008-03-12 |
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