FR2436372A1 - Dispositif de controle du niveau d'un materiau fluide contenu dans un reservoir vertical - Google Patents
Dispositif de controle du niveau d'un materiau fluide contenu dans un reservoir verticalInfo
- Publication number
- FR2436372A1 FR2436372A1 FR7826246A FR7826246A FR2436372A1 FR 2436372 A1 FR2436372 A1 FR 2436372A1 FR 7826246 A FR7826246 A FR 7826246A FR 7826246 A FR7826246 A FR 7826246A FR 2436372 A1 FR2436372 A1 FR 2436372A1
- Authority
- FR
- France
- Prior art keywords
- indicator lights
- current drawn
- ultrasonic transducers
- fluid
- monitoring device
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
- G01F23/2966—Acoustic waves making use of acoustical resonance or standing waves
- G01F23/2967—Acoustic waves making use of acoustical resonance or standing waves for discrete levels
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
L'invention concerne un dispositif de contrôle du niveau d'un matériau fluide contenu dans un réservoir verticaL Ce dispositif comporte des transducteurs électromécaniques ultrasonores 9, 10, 11, 12 fixés dans la paroi du réservoir 1 et un circuit de signalisation 29, 31 sensible au courant d'alimentation des transducteurs. Application au stockage des poudres
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7826246A FR2436372A1 (fr) | 1978-09-13 | 1978-09-13 | Dispositif de controle du niveau d'un materiau fluide contenu dans un reservoir vertical |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7826246A FR2436372A1 (fr) | 1978-09-13 | 1978-09-13 | Dispositif de controle du niveau d'un materiau fluide contenu dans un reservoir vertical |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2436372A1 true FR2436372A1 (fr) | 1980-04-11 |
FR2436372B1 FR2436372B1 (fr) | 1981-02-13 |
Family
ID=9212590
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7826246A Granted FR2436372A1 (fr) | 1978-09-13 | 1978-09-13 | Dispositif de controle du niveau d'un materiau fluide contenu dans un reservoir vertical |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2436372A1 (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2572519A1 (fr) * | 1984-10-25 | 1986-05-02 | Jaeger | Detecteur de niveau a transducteur electro-mecanique |
US5036703A (en) * | 1989-02-23 | 1991-08-06 | Eriksson Bror Allan | Method and apparatus for testing liquid fillings in tanks |
WO1995029388A1 (fr) * | 1994-04-25 | 1995-11-02 | Sensor Systems (Jersey) Limited | Systemes de detection piezo-electriques |
US6044694A (en) * | 1996-08-28 | 2000-04-04 | Videojet Systems International, Inc. | Resonator sensors employing piezoelectric benders for fluid property sensing |
CN110487357A (zh) * | 2019-09-11 | 2019-11-22 | 广州秀明环保科技有限公司 | 一种非接触式超声波液位监测仪和液位高度感应方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3110890A (en) * | 1958-03-03 | 1963-11-12 | Vernon C Westcott | Apparatus for measuring fluid level |
GB988576A (en) * | 1960-07-25 | 1965-04-07 | Ici Australia Ltd | Apparatus for detecting or controlling the level of material in a container |
GB1036817A (en) * | 1964-02-29 | 1966-07-20 | Witton Electronics Ltd | Sensing device |
FR2012618A1 (fr) * | 1968-07-10 | 1970-03-20 | Endress Et Hauser | |
DE1673972A1 (de) * | 1968-03-16 | 1972-01-20 | Lehmann Walter | Verfahren zur Anzeige der Veraenderungen sonst stabiler Zustaende an einem festen Ort |
GB1512233A (en) * | 1974-03-20 | 1978-05-24 | Matsushita Electric Ind Co Ltd | Piezoelectric presence sensitive apparatus |
-
1978
- 1978-09-13 FR FR7826246A patent/FR2436372A1/fr active Granted
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3110890A (en) * | 1958-03-03 | 1963-11-12 | Vernon C Westcott | Apparatus for measuring fluid level |
GB988576A (en) * | 1960-07-25 | 1965-04-07 | Ici Australia Ltd | Apparatus for detecting or controlling the level of material in a container |
GB1036817A (en) * | 1964-02-29 | 1966-07-20 | Witton Electronics Ltd | Sensing device |
DE1673972A1 (de) * | 1968-03-16 | 1972-01-20 | Lehmann Walter | Verfahren zur Anzeige der Veraenderungen sonst stabiler Zustaende an einem festen Ort |
FR2012618A1 (fr) * | 1968-07-10 | 1970-03-20 | Endress Et Hauser | |
GB1512233A (en) * | 1974-03-20 | 1978-05-24 | Matsushita Electric Ind Co Ltd | Piezoelectric presence sensitive apparatus |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2572519A1 (fr) * | 1984-10-25 | 1986-05-02 | Jaeger | Detecteur de niveau a transducteur electro-mecanique |
US5036703A (en) * | 1989-02-23 | 1991-08-06 | Eriksson Bror Allan | Method and apparatus for testing liquid fillings in tanks |
WO1995029388A1 (fr) * | 1994-04-25 | 1995-11-02 | Sensor Systems (Jersey) Limited | Systemes de detection piezo-electriques |
GB2302178A (en) * | 1994-04-25 | 1997-01-08 | Sensor Systems | Piezoelectric sensing systems |
GB2302178B (en) * | 1994-04-25 | 1998-04-29 | Sensor Systems | Piezoelectric sensing systems |
US6044694A (en) * | 1996-08-28 | 2000-04-04 | Videojet Systems International, Inc. | Resonator sensors employing piezoelectric benders for fluid property sensing |
CN110487357A (zh) * | 2019-09-11 | 2019-11-22 | 广州秀明环保科技有限公司 | 一种非接触式超声波液位监测仪和液位高度感应方法 |
Also Published As
Publication number | Publication date |
---|---|
FR2436372B1 (fr) | 1981-02-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |