DE3304223C2 - Verfahren und Vorrichtung zur Feststellung der Füllstandshöhe bzw. der An- oder Abwesenheit eines Stoffes in einem Behälter - Google Patents
Verfahren und Vorrichtung zur Feststellung der Füllstandshöhe bzw. der An- oder Abwesenheit eines Stoffes in einem BehälterInfo
- Publication number
- DE3304223C2 DE3304223C2 DE3304223A DE3304223A DE3304223C2 DE 3304223 C2 DE3304223 C2 DE 3304223C2 DE 3304223 A DE3304223 A DE 3304223A DE 3304223 A DE3304223 A DE 3304223A DE 3304223 C2 DE3304223 C2 DE 3304223C2
- Authority
- DE
- Germany
- Prior art keywords
- substance
- values
- absence
- detector
- oscillating 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.)
- Expired
Links
- 239000000126 substance Substances 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims description 18
- 230000010355 oscillation Effects 0.000 claims abstract description 52
- 230000015654 memory Effects 0.000 claims description 44
- 239000000523 sample Substances 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 19
- 230000000903 blocking effect Effects 0.000 claims description 6
- 230000035945 sensitivity Effects 0.000 claims description 5
- 239000013074 reference sample Substances 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000012937 correction Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 23
- 238000013016 damping Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000000737 periodic effect Effects 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000013139 quantization Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 230000000007 visual 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)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Geophysics And Detection Of Objects (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 DE3304223A1 (de) | 1984-08-16 |
DE3304223C2 true 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 (es) |
Cited By (3)
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 |
DE10207278A1 (de) * | 2002-02-21 | 2003-09-25 | Bosch Gmbh Robert | Verfahren zur Füllstandsbestimmung und Füllstandsmessvorrichtung |
DE19843512B4 (de) * | 1997-09-24 | 2004-02-12 | Georg Ziegler | Rückförderanlage für Bearbeitungsmedien |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2572519B1 (fr) * | 1984-10-25 | 1989-09-22 | Jaeger | Detecteur de niveau a transducteur electro-mecanique |
DE4232659C2 (de) * | 1992-09-29 | 1996-07-25 | Endress Hauser Gmbh Co | Vorrichtung zur Feststellung und/oder Überwachung eines vorbestimmten Füllstands in einem Behälter |
DE4320411C2 (de) * | 1993-06-22 | 1998-07-23 | Pepperl & Fuchs | Vorrichtung zum Feststellen des Erreichens eines vorgegebenen Füllstandes mit einem Schwingstab |
DE4332071C2 (de) * | 1993-09-21 | 1995-09-07 | Endress Hauser Gmbh Co | Verfahren zur Füllstandsmessung nach dem Radarprinzip |
GB9700585D0 (en) * | 1997-01-14 | 1997-03-05 | Smiths Industries Ltd | Fluid detector |
GB0820853D0 (en) | 2008-11-14 | 2008-12-24 | Mobrey Ltd | Vibrating element apparatus |
DE102021133927A1 (de) * | 2021-12-20 | 2023-06-22 | Endress+Hauser SE+Co. KG | Verfahren zur Überprüfung der Funktionstüchtigkeit oder zur Plausibilitätsprüfung eines vibronischen Sensors |
DE102022134038A1 (de) | 2022-12-20 | 2024-06-20 | Endress+Hauser SE+Co. KG | Verfahren zur Erfassung eines Grenzstands eines Mediums mittels eines vibronischen Sensors |
JP2024099401A (ja) * | 2023-01-12 | 2024-07-25 | 東京エレクトロン株式会社 | 液位測定方法及び液位測定装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1773815C3 (de) * | 1968-07-10 | 1984-05-30 | Endress U. Hauser Gmbh U. Co, 7867 Maulburg | Vorrichtung zur Feststellung des Erreichens eines vorbestimmten Füllstands in einem Behälter |
DE2849066C2 (de) * | 1978-11-11 | 1986-07-31 | Vdo Adolf Schindling Ag, 6000 Frankfurt | Einrichtung zur Anzeige des Füllstandes in einem Fahrzeugtank |
-
1983
- 1983-02-08 DE DE3304223A patent/DE3304223C2/de not_active Expired
Cited By (4)
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 |
DE10207278A1 (de) * | 2002-02-21 | 2003-09-25 | Bosch Gmbh Robert | Verfahren zur Füllstandsbestimmung und Füllstandsmessvorrichtung |
DE10207278B4 (de) * | 2002-02-21 | 2007-03-01 | Robert Bosch Gmbh | Verfahren zur Füllstandsbestimmung und Füllstandsmessvorrichtung |
Also Published As
Publication number | Publication date |
---|---|
DE3304223A1 (de) | 1984-08-16 |
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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 |