DE3304223A1 - Verfahren und vorrichtung zur feststellung der an- oder abwesenheit eines stoffs an einem detektor oder des abstands zwischen stoff und detektor - Google Patents
Verfahren und vorrichtung zur feststellung der an- oder abwesenheit eines stoffs an einem detektor oder des abstands zwischen stoff und detektorInfo
- Publication number
- DE3304223A1 DE3304223A1 DE19833304223 DE3304223A DE3304223A1 DE 3304223 A1 DE3304223 A1 DE 3304223A1 DE 19833304223 DE19833304223 DE 19833304223 DE 3304223 A DE3304223 A DE 3304223A DE 3304223 A1 DE3304223 A1 DE 3304223A1
- Authority
- DE
- Germany
- Prior art keywords
- substance
- detector
- values
- output
- memory
- 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
- 239000000126 substance Substances 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000010355 oscillation Effects 0.000 claims abstract description 33
- 230000005284 excitation Effects 0.000 claims abstract description 8
- 230000015654 memory Effects 0.000 claims description 42
- 239000004744 fabric Substances 0.000 claims description 13
- 230000000903 blocking effect Effects 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 6
- 230000035945 sensitivity Effects 0.000 claims description 5
- 230000000737 periodic effect Effects 0.000 claims description 4
- 238000012937 correction Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 31
- 239000000463 material Substances 0.000 description 8
- 239000000523 sample Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000013016 damping Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000013074 reference sample Substances 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 2
- 238000013139 quantization Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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
- G01F23/26—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
- G01F23/263—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
- G01F23/266—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors measuring circuits therefor
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/20—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of apparatus for measuring liquid level
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Acoustics & Sound (AREA)
- Geophysics And Detection Of Objects (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3304223A DE3304223C2 (de) | 1983-02-08 | 1983-02-08 | Verfahren und Vorrichtung zur Feststellung der Füllstandshöhe bzw. der An- oder Abwesenheit eines Stoffes in einem Behälter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3304223A DE3304223C2 (de) | 1983-02-08 | 1983-02-08 | Verfahren und Vorrichtung zur Feststellung der Füllstandshöhe bzw. der An- oder Abwesenheit eines Stoffes in einem Behälter |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3304223A1 true DE3304223A1 (de) | 1984-08-16 |
DE3304223C2 DE3304223C2 (de) | 1987-02-19 |
Family
ID=6190287
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3304223A Expired DE3304223C2 (de) | 1983-02-08 | 1983-02-08 | Verfahren und Vorrichtung zur Feststellung der Füllstandshöhe bzw. der An- oder Abwesenheit eines Stoffes in einem Behälter |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3304223C2 (fr) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2572519A1 (fr) * | 1984-10-25 | 1986-05-02 | Jaeger | Detecteur de niveau a transducteur electro-mecanique |
DE4232659A1 (de) * | 1992-09-29 | 1994-03-31 | Endress Hauser Gmbh Co | Vorrichtung zur Feststellung und/oder Überwachung eines vorbestimmten Füllstands in einem Behälter |
DE4320411C1 (de) * | 1993-06-22 | 1994-08-04 | Pepperl & Fuchs Fuellstandstec | Vorrichtung zum Feststellen des Erreichens eines vorgegebenen Füllstandes mit einem Schwingstab |
WO1995008780A1 (fr) * | 1993-09-21 | 1995-03-30 | Endress + Hauser Gmbh & Co. | Procede de mesure de niveau fonde sur le principe du radar |
EP0853236A1 (fr) * | 1997-01-14 | 1998-07-15 | Smiths Industries Public Limited Company | Détecteur de fluide |
FR2836216A1 (fr) * | 2002-02-21 | 2003-08-22 | Bosch Gmbh Robert | Procede et dispositif pour determiner ou mesurer un niveau de remplissage |
US8857257B2 (en) | 2008-11-14 | 2014-10-14 | Mobrey Limited | Vibrating element apparatus |
WO2023117334A1 (fr) * | 2021-12-20 | 2023-06-29 | Endress+Hauser SE+Co. KG | Procédé de vérification de la fonctionnalité ou de vérification de la plausibilité d'un capteur vibronique |
DE102022134038A1 (de) | 2022-12-20 | 2024-06-20 | Endress+Hauser SE+Co. KG | Verfahren zur Erfassung eines Grenzstands eines Mediums mittels eines vibronischen Sensors |
WO2024150596A1 (fr) * | 2023-01-12 | 2024-07-18 | 東京エレクトロン株式会社 | Procédé de mesure de niveau de liquide et dispositif de mesure de niveau de liquide |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4402234C1 (de) * | 1994-01-26 | 1995-04-20 | Endress Hauser Gmbh Co | Verfahren und Anordnung zur Feststellung und/oder Überwachung eines vorbestimmten Füllstands in einem Behälter |
DE19843512B4 (de) * | 1997-09-24 | 2004-02-12 | Georg Ziegler | Rückförderanlage für Bearbeitungsmedien |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1773815B2 (de) * | 1968-07-10 | 1974-09-12 | Endress U. Hauser Gmbh U. Co, 7867 Maulburg | Vorrichtung zur Feststellung des Erreichens eines vorbestimmten Füllstands in einem Behälter |
DE2849066A1 (de) * | 1978-11-11 | 1980-05-22 | Vdo Schindling | Einrichtung zur anzeige des fuellstandes in einem fahrzeugtank |
-
1983
- 1983-02-08 DE DE3304223A patent/DE3304223C2/de not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1773815B2 (de) * | 1968-07-10 | 1974-09-12 | Endress U. Hauser Gmbh U. Co, 7867 Maulburg | Vorrichtung zur Feststellung des Erreichens eines vorbestimmten Füllstands in einem Behälter |
DE2849066A1 (de) * | 1978-11-11 | 1980-05-22 | Vdo Schindling | Einrichtung zur anzeige des fuellstandes in einem fahrzeugtank |
Non-Patent Citations (2)
Title |
---|
DE-Zeitschr.: Steuerungstechnik 5(1972) Nr. 3, S. 60 bis 62 * |
Martin Schrödter: Standmessungen Bd. 130, Reihe-Automatisierungstechnik VEB-Verlag Technik Berlin 1965, S. 44/45 Abschnitt 3.2.8 Akustische Verfahren Bild 52 * |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2572519A1 (fr) * | 1984-10-25 | 1986-05-02 | Jaeger | Detecteur de niveau a transducteur electro-mecanique |
DE4232659A1 (de) * | 1992-09-29 | 1994-03-31 | Endress Hauser Gmbh Co | Vorrichtung zur Feststellung und/oder Überwachung eines vorbestimmten Füllstands in einem Behälter |
DE4320411C1 (de) * | 1993-06-22 | 1994-08-04 | Pepperl & Fuchs Fuellstandstec | Vorrichtung zum Feststellen des Erreichens eines vorgegebenen Füllstandes mit einem Schwingstab |
DE4320411C2 (de) * | 1993-06-22 | 1998-07-23 | Pepperl & Fuchs | Vorrichtung zum Feststellen des Erreichens eines vorgegebenen Füllstandes mit einem Schwingstab |
WO1995008780A1 (fr) * | 1993-09-21 | 1995-03-30 | Endress + Hauser Gmbh & Co. | Procede de mesure de niveau fonde sur le principe du radar |
EP0853236A1 (fr) * | 1997-01-14 | 1998-07-15 | Smiths Industries Public Limited Company | Détecteur de fluide |
FR2836216A1 (fr) * | 2002-02-21 | 2003-08-22 | Bosch Gmbh Robert | Procede et dispositif pour determiner ou mesurer un niveau de remplissage |
US8857257B2 (en) | 2008-11-14 | 2014-10-14 | Mobrey Limited | Vibrating element apparatus |
WO2023117334A1 (fr) * | 2021-12-20 | 2023-06-29 | Endress+Hauser SE+Co. KG | Procédé de vérification de la fonctionnalité ou de vérification de la plausibilité d'un capteur vibronique |
DE102022134038A1 (de) | 2022-12-20 | 2024-06-20 | Endress+Hauser SE+Co. KG | Verfahren zur Erfassung eines Grenzstands eines Mediums mittels eines vibronischen Sensors |
WO2024150596A1 (fr) * | 2023-01-12 | 2024-07-18 | 東京エレクトロン株式会社 | Procédé de mesure de niveau de liquide et dispositif de mesure de niveau de liquide |
Also Published As
Publication number | Publication date |
---|---|
DE3304223C2 (de) | 1987-02-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: VEGA GRIESHABER KG, 77709 WOLFACH, DE |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: ENDRESS + HAUSER GMBH + CO, 79689 MAULBURG, DE |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: ENDRESS + HAUSER GMBH + CO. KG, 79689 MAULBURG, DE |