FR2426245A1 - Dispositif de mesure a ultrasons - Google Patents
Dispositif de mesure a ultrasonsInfo
- Publication number
- FR2426245A1 FR2426245A1 FR7912501A FR7912501A FR2426245A1 FR 2426245 A1 FR2426245 A1 FR 2426245A1 FR 7912501 A FR7912501 A FR 7912501A FR 7912501 A FR7912501 A FR 7912501A FR 2426245 A1 FR2426245 A1 FR 2426245A1
- Authority
- FR
- France
- Prior art keywords
- ultrasonic
- measurement
- measurement device
- ultrasonic measurement
- detector
- 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.)
- Pending
Links
- 238000005259 measurement Methods 0.000 title abstract 3
- 238000000691 measurement method Methods 0.000 abstract 1
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
- G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
Abstract
L'invention concerne les techniques de mesure par ultrasons. Un débitmètre ultrasonore comporte notamment un détecteur d'anomalie 30 qui, pour chaque onde ultrasonore émise dans un conduit 10, détermine si les conditions de propagation sont normales ou non. Le détecteur 30 indique la validité de chaque mesure par un signal sonore ou lumineux, sans ralentir la cadence de mesure. Application aux débitmètres ultrasonores.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5782078A JPS54149669A (en) | 1978-05-16 | 1978-05-16 | Circuit device for detecting ultrasonic wave transmitting time |
JP53060745A JPS5914173B2 (ja) | 1978-05-22 | 1978-05-22 | 超音波式測定装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2426245A1 true FR2426245A1 (fr) | 1979-12-14 |
Family
ID=26398903
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7912501A Pending FR2426245A1 (fr) | 1978-05-16 | 1979-05-16 | Dispositif de mesure a ultrasons |
Country Status (6)
Country | Link |
---|---|
US (1) | US4271708A (fr) |
DE (1) | DE2920178A1 (fr) |
DK (1) | DK200479A (fr) |
FR (1) | FR2426245A1 (fr) |
GB (1) | GB2022254B (fr) |
NL (1) | NL7903820A (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4469450A (en) * | 1982-06-01 | 1984-09-04 | The Firestone Tire & Rubber Company | Electroacoustic method for nondestructively monitoring the internal temperature of objects |
US4480485A (en) * | 1982-10-01 | 1984-11-06 | Panametrics, Inc. | Acoustic flowmeter with envelope midpoint tracking |
JPS59195126A (ja) * | 1983-04-21 | 1984-11-06 | Yokogawa Hokushin Electric Corp | 超音波流量計 |
SE9800074D0 (sv) * | 1998-01-15 | 1998-01-15 | Siemens Elema Ab | Acoustic flow meter |
US6260407B1 (en) * | 1998-04-03 | 2001-07-17 | Symyx Technologies, Inc. | High-temperature characterization of polymers |
US7437948B2 (en) * | 2004-02-26 | 2008-10-21 | Fuji Electric Systems Co., Ltd. | Ultrasonic flowmeter and ultrasonic flow rate measurement method |
JP6454219B2 (ja) * | 2015-05-14 | 2019-01-16 | 株式会社キーエンス | 超音波流量スイッチ |
CN110177068A (zh) * | 2019-06-13 | 2019-08-27 | 上海一诺仪表有限公司 | 信号识别装置和方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3894431A (en) * | 1972-04-04 | 1975-07-15 | Atomic Energy Authority Uk | Apparatus for indicating fluid flow velocity |
DE2641771A1 (de) * | 1976-09-14 | 1978-03-16 | Fuji Electric Co Ltd | Messeinrichtung mit einem zeitdifferenz-messglied |
DE2641772A1 (de) * | 1976-09-14 | 1978-03-16 | Fuji Electric Co Ltd | Durchfluss- oder stroemungsmesseinrichtung |
DE2832835A1 (de) * | 1977-07-26 | 1979-03-01 | Fuji Electric Co Ltd | Ultraschall-messanordnung |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3818757A (en) * | 1972-05-05 | 1974-06-25 | Saratoga Sys Inc | Dual path ultrasonic fluid flow metering system and method |
US4028938A (en) * | 1976-01-26 | 1977-06-14 | Ocean Research Equipment, Inc. | Acoustical flow meter |
-
1979
- 1979-05-03 US US06/035,467 patent/US4271708A/en not_active Expired - Lifetime
- 1979-05-15 NL NL7903820A patent/NL7903820A/xx not_active Application Discontinuation
- 1979-05-15 GB GB7916843A patent/GB2022254B/en not_active Expired
- 1979-05-15 DK DK200479A patent/DK200479A/da not_active Application Discontinuation
- 1979-05-16 DE DE19792920178 patent/DE2920178A1/de not_active Withdrawn
- 1979-05-16 FR FR7912501A patent/FR2426245A1/fr active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3894431A (en) * | 1972-04-04 | 1975-07-15 | Atomic Energy Authority Uk | Apparatus for indicating fluid flow velocity |
DE2641771A1 (de) * | 1976-09-14 | 1978-03-16 | Fuji Electric Co Ltd | Messeinrichtung mit einem zeitdifferenz-messglied |
DE2641772A1 (de) * | 1976-09-14 | 1978-03-16 | Fuji Electric Co Ltd | Durchfluss- oder stroemungsmesseinrichtung |
DE2832835A1 (de) * | 1977-07-26 | 1979-03-01 | Fuji Electric Co Ltd | Ultraschall-messanordnung |
Also Published As
Publication number | Publication date |
---|---|
US4271708A (en) | 1981-06-09 |
GB2022254A (en) | 1979-12-12 |
NL7903820A (nl) | 1979-11-20 |
DE2920178A1 (de) | 1979-11-22 |
GB2022254B (en) | 1982-09-22 |
DK200479A (da) | 1979-11-17 |
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