CN1302371A - 一种确定流动介质流速的方法和装置 - Google Patents
一种确定流动介质流速的方法和装置 Download PDFInfo
- Publication number
- CN1302371A CN1302371A CN99806548A CN99806548A CN1302371A CN 1302371 A CN1302371 A CN 1302371A CN 99806548 A CN99806548 A CN 99806548A CN 99806548 A CN99806548 A CN 99806548A CN 1302371 A CN1302371 A CN 1302371A
- Authority
- CN
- China
- Prior art keywords
- signal
- fluid
- pulse
- phase shift
- flow velocity
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 33
- 239000012530 fluid Substances 0.000 claims abstract description 86
- 230000010363 phase shift Effects 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 230000010355 oscillation Effects 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims 1
- 238000002604 ultrasonography Methods 0.000 description 8
- 230000007812 deficiency Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000001915 proofreading effect Effects 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
Description
流速0m/sec | 流速1m/sec | 流速6m/sec | |
从A-B的时间 | 200/sin20/1390-0*cos20=153119ns | 200/sin20/1390-1*cos20=153156ns | 200/sin20/1390-6*cos20=153345ns |
从B-A的时间 | 200/sin20/1390+0*cos20=153119ns | 200/sin20/1390+1*cos20=153081ns | 200/sin20/1390+6*cos20=152893ns |
A-B之差 | 0 | 75 | 452 |
相移 | 0度 | 27.12度 | 162.76度 |
数字分辨率 | 0 | 154 | 926 |
从A-B的时间(同上) | 153119ns | 153156ns | 153345ns |
时钟脉冲周期 | 765 | 765 | 766 |
流速0m/sec | 流速1m/sec | 流速6m/sec | |
从A-B的时间 | 148836ns | 148871ns | 149049ns |
从B-A的时间 | 148836ns | 148800ns | 148622ns |
A-B之差 | 0ns | 71ns | 427ns |
相移 | 0度 | 25.63度 | 157.78度 |
数字分辨率 | 0 | 145 | 897 |
从A-B的时间(同上) | 148836ns | 148871ns | 149049ns |
时钟脉冲周期 | 744 | 744 | 745 |
Claims (7)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE98010143 | 1998-03-25 | ||
SE9801014A SE515156C2 (sv) | 1998-03-25 | 1998-03-25 | Sätt och anordning för bestämning av flödeshastigheten hos ett i en kanal strömmande medium |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1302371A true CN1302371A (zh) | 2001-07-04 |
CN100356144C CN100356144C (zh) | 2007-12-19 |
Family
ID=20410701
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB99806548XA Expired - Fee Related CN100356144C (zh) | 1998-03-25 | 1999-03-25 | 一种确定流动介质流速的方法和装置 |
Country Status (10)
Country | Link |
---|---|
US (1) | US6629467B1 (zh) |
EP (1) | EP1116009B1 (zh) |
CN (1) | CN100356144C (zh) |
AT (1) | ATE325331T1 (zh) |
CA (1) | CA2330289C (zh) |
CZ (1) | CZ20003931A3 (zh) |
DE (1) | DE69931174T2 (zh) |
NO (1) | NO20005466D0 (zh) |
SE (1) | SE515156C2 (zh) |
WO (1) | WO1999051945A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105091970A (zh) * | 2015-08-07 | 2015-11-25 | 北京控制工程研究所 | 超声波流量计动态补偿方法 |
CN110057412A (zh) * | 2018-01-19 | 2019-07-26 | 代傲表计有限公司 | 用于操作流体计的方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10249542A1 (de) * | 2002-10-23 | 2004-05-06 | Endress + Hauser Flowtec Ag, Reinach | Vorrichtung zur Bestimmung und/oder Überwachung des Volumen- und/oder Massenstroms eines Mediums |
WO2007009478A1 (de) * | 2005-07-21 | 2007-01-25 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Messeinrichtung zum medienunabhängigen messen einer strömungsgeschwindigkeit eines mediums |
US9714855B2 (en) | 2015-01-26 | 2017-07-25 | Arad Ltd. | Ultrasonic water meter |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2950862A1 (de) | 1979-12-18 | 1981-07-23 | Me Meerestechnik Elektronik Gmbh, 2351 Trappenkamp | Verfahren und vorrichtung zur bestimmung von schall-laufzeiten |
US4527433A (en) | 1983-10-25 | 1985-07-09 | General Motors Corporation | Method and apparatus for measuring fluid flow |
GB8710064D0 (en) * | 1987-04-28 | 1987-06-03 | Micronics Ltd | Ultrasonic fluid flowmeter |
DE4011526A1 (de) | 1990-04-10 | 1991-10-17 | Bosch Gmbh Robert | Vorrichtung zur ultraschall-durchflussmessung von stroemenden medien |
GB9119742D0 (en) * | 1991-09-16 | 1991-10-30 | British Gas Plc | Measurement system |
TW295258U (en) * | 1992-10-06 | 1997-01-01 | Caldon Inc | Apparatus for determining fluid flow |
US5440936A (en) * | 1992-11-16 | 1995-08-15 | Triton Technology, Inc. | Compact x-cross transducer array for a transit time flowmeter, particularly for use during in-vivo blood flow measurement |
SE503614C2 (sv) * | 1994-10-24 | 1996-07-15 | Jerker Delsing | Sätt vid mätning i ett fluidum med hjälp av sing-around- teknik, anordning vid mätinstrument av sing-around-typ och mätinstrument av sing-around-typ |
CN1139203A (zh) * | 1994-12-13 | 1997-01-01 | 汉斯·乔治·康拉德 | 用于测量多相介质流动的方法和设备 |
JP3216769B2 (ja) | 1995-03-20 | 2001-10-09 | 富士電機株式会社 | クランプオン型超音波流量計における温度圧力補償方法 |
US5602343A (en) * | 1995-10-10 | 1997-02-11 | The Curators Of The University Of Missouri | Method of, and apparatus for, measuring the velocity of a fluid |
US6062091A (en) * | 1997-04-22 | 2000-05-16 | Baumoel; Joseph | Method and apparatus for determining ultrasonic pulse arrival in fluid using phase correlation |
-
1998
- 1998-03-25 SE SE9801014A patent/SE515156C2/sv not_active IP Right Cessation
-
1999
- 1999-03-25 CN CNB99806548XA patent/CN100356144C/zh not_active Expired - Fee Related
- 1999-03-25 US US09/743,488 patent/US6629467B1/en not_active Expired - Fee Related
- 1999-03-25 CA CA2330289A patent/CA2330289C/en not_active Expired - Fee Related
- 1999-03-25 WO PCT/SE1999/000473 patent/WO1999051945A1/en active IP Right Grant
- 1999-03-25 DE DE69931174T patent/DE69931174T2/de not_active Expired - Lifetime
- 1999-03-25 EP EP99914860A patent/EP1116009B1/en not_active Expired - Lifetime
- 1999-03-25 CZ CZ20003931A patent/CZ20003931A3/cs unknown
- 1999-03-25 AT AT99914860T patent/ATE325331T1/de not_active IP Right Cessation
-
2000
- 2000-10-30 NO NO20005466A patent/NO20005466D0/no not_active Application Discontinuation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105091970A (zh) * | 2015-08-07 | 2015-11-25 | 北京控制工程研究所 | 超声波流量计动态补偿方法 |
CN105091970B (zh) * | 2015-08-07 | 2018-06-01 | 北京控制工程研究所 | 超声波流量计动态补偿方法 |
CN110057412A (zh) * | 2018-01-19 | 2019-07-26 | 代傲表计有限公司 | 用于操作流体计的方法 |
Also Published As
Publication number | Publication date |
---|---|
CA2330289C (en) | 2010-06-08 |
CA2330289A1 (en) | 1999-10-14 |
WO1999051945A8 (en) | 2000-03-23 |
SE515156C2 (sv) | 2001-06-18 |
DE69931174D1 (de) | 2006-06-08 |
WO1999051945A1 (en) | 1999-10-14 |
EP1116009B1 (en) | 2006-05-03 |
ATE325331T1 (de) | 2006-06-15 |
NO20005466L (no) | 2000-10-30 |
SE9801014L (sv) | 1999-09-26 |
EP1116009A2 (en) | 2001-07-18 |
CN100356144C (zh) | 2007-12-19 |
DE69931174T2 (de) | 2006-09-07 |
SE9801014D0 (sv) | 1998-03-25 |
NO20005466D0 (no) | 2000-10-30 |
CZ20003931A3 (cs) | 2001-08-15 |
US6629467B1 (en) | 2003-10-07 |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: HEAT MEASUREMENT CO., LTD. Free format text: FORMER OWNER: JORGEN LINDAHL Effective date: 20010615 |
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C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20010615 Address after: England Hampshire Applicant after: Heat measurement Ltd. Address before: Sweden, Cape Applicant before: Thermo Electron Corp. |
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ASS | Succession or assignment of patent right |
Owner name: YI KAOTAI Free format text: FORMER OWNER: HEAT MEASUREMENT CO., LTD. Effective date: 20060113 Owner name: YIKOTY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: YI KAOTAI Effective date: 20060113 |
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C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20060113 Address after: British Virgin Islands toto Applicant after: According to the Kaotai Technology Co.,Ltd. Address before: Swiss Sikulapu Applicant before: Ecotai Effective date of registration: 20060113 Address after: Swiss Sikulapu Applicant after: Ecotai Address before: England Hampshire Applicant before: Heat measurement Ltd. |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071219 Termination date: 20130325 |