DK172230B1 - Apparat til måling af fyldestand - Google Patents

Apparat til måling af fyldestand Download PDF

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Publication number
DK172230B1
DK172230B1 DK175789A DK175789A DK172230B1 DK 172230 B1 DK172230 B1 DK 172230B1 DK 175789 A DK175789 A DK 175789A DK 175789 A DK175789 A DK 175789A DK 172230 B1 DK172230 B1 DK 172230B1
Authority
DK
Denmark
Prior art keywords
frequency
signal
envelope curve
signal processing
signals
Prior art date
Application number
DK175789A
Other languages
Danish (da)
English (en)
Other versions
DK175789A (da
DK175789D0 (da
Inventor
Juergen Lau
Original Assignee
Endress Hauser Gmbh Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Endress Hauser Gmbh Co filed Critical Endress Hauser Gmbh Co
Publication of DK175789D0 publication Critical patent/DK175789D0/da
Publication of DK175789A publication Critical patent/DK175789A/da
Application granted granted Critical
Publication of DK172230B1 publication Critical patent/DK172230B1/da

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • 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
    • G01F23/2962—Measuring transit time of reflected waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/50—Systems of measurement, based on relative movement of the target
    • G01S15/52—Discriminating between fixed and moving objects or between objects moving at different speeds
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02836—Flow rate, liquid level
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S367/00—Communications, electrical: acoustic wave systems and devices
    • Y10S367/908—Material level detection, e.g. liquid level

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
DK175789A 1988-04-13 1989-04-12 Apparat til måling af fyldestand DK172230B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3812293 1988-04-13
DE3812293A DE3812293A1 (de) 1988-04-13 1988-04-13 Fuellstandsmessgeraet

Publications (3)

Publication Number Publication Date
DK175789D0 DK175789D0 (da) 1989-04-12
DK175789A DK175789A (da) 1989-10-14
DK172230B1 true DK172230B1 (da) 1998-01-26

Family

ID=6351894

Family Applications (1)

Application Number Title Priority Date Filing Date
DK175789A DK172230B1 (da) 1988-04-13 1989-04-12 Apparat til måling af fyldestand

Country Status (8)

Country Link
US (1) US4972386A (fr)
EP (1) EP0337293B1 (fr)
JP (1) JPH02231532A (fr)
CA (1) CA1296094C (fr)
DE (2) DE3812293A1 (fr)
DK (1) DK172230B1 (fr)
ES (1) ES2036292T3 (fr)
IE (1) IE62708B1 (fr)

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US5335545A (en) * 1990-09-04 1994-08-09 Magnetrol International, Inc. Ultrasonic detector with frequency matching
US5233352A (en) * 1992-05-08 1993-08-03 Cournane Thomas C Level measurement using autocorrelation
US5321408A (en) * 1992-12-31 1994-06-14 Baker Hughes Incorporated Microwave apparatus and method for ullage measurement of agitated fluids by spectral averaging
US5305485A (en) * 1993-01-04 1994-04-26 Whirlpool Corporation Cloth detection system for an automatic washer
DE4308373C2 (de) * 1993-03-16 1995-04-13 Siemens Ag Verfahren zur Erkennung und Separation von Nutz- und Störechos im Empfangssignal von Abstandssensoren, welche nach dem Impuls-Echo-Prinzip arbeiten
DE4411478C2 (de) * 1993-05-22 1996-03-14 Krone Ag Verfahren zur Überwachung der Füllstände von Wertstoff-Sammelbehältern
US6046960A (en) * 1993-09-16 2000-04-04 Simmonds Precision Products, Inc. Apparatus and method for discriminating true and false ultrasonic echoes
DE4332071C2 (de) * 1993-09-21 1995-09-07 Endress Hauser Gmbh Co Verfahren zur Füllstandsmessung nach dem Radarprinzip
DE4339441A1 (de) * 1993-11-19 1995-05-24 Incatronic Phoenix Mestechnik Verfahren zur Messung des Füllgrads von mit Füllgut gefüllten Behältern
DE4405238C2 (de) * 1994-02-18 1998-07-09 Endress Hauser Gmbh Co Anordnung zur Messung des Füllstands in einem Behälter
US5672975A (en) 1995-06-07 1997-09-30 Rosemount Inc. Two-wire level transmitter
AU4448897A (en) * 1996-10-07 1998-05-05 Tri-Ener-Tech Petroleum Services Ltd. Method for controlling the speed of a pump based on measurement of the fluid depth in a well
DE19643956A1 (de) * 1996-10-31 1998-05-07 Sonotec Dr Zur Horst Meyer & M Anordnung zur Kontrolle des Füllstandes
US5793704A (en) * 1996-12-13 1998-08-11 Solid Scientific Research And Development Ltd. Method and device for ultrasonic ranging
US6115326A (en) * 1998-10-22 2000-09-05 Integrated Medical Systems, Inc. Ultrasonic micro-machined selectable transducer array
US6782328B2 (en) * 1999-01-21 2004-08-24 Rosemount Inc. Measurement of concentration of material in a process fluid
US6477474B2 (en) 1999-01-21 2002-11-05 Rosemount Inc. Measurement of process product dielectric constant using a low power radar level transmitter
US6320532B1 (en) * 1999-05-27 2001-11-20 Rosemount Inc. Low power radar level transmitter having reduced ground loop errors
US6295018B1 (en) 1999-09-27 2001-09-25 Rosemount Inc. Low power radar level instrument with enhanced diagnostics
US6345683B1 (en) 2000-04-06 2002-02-12 Nortek Usa, Llc System and method for an improved device for measuring water levels
US6561693B1 (en) 2000-09-21 2003-05-13 Lockheed Martin Corporation Remote temperature sensing long wave length modulated focal plane array
US6672155B2 (en) * 2000-10-14 2004-01-06 Endress + Hauser Gmbh + Co. Apparatus for determining the filling level of a filling material in a container
US6679115B2 (en) * 2001-02-14 2004-01-20 Endress + Hauser Gmbh + Co. Apparatus for determining the filling level of a product in a container
DE10133081A1 (de) * 2001-07-11 2003-01-30 Grieshaber Vega Kg Verfahren zur Füllstandsmessung sowie Füllstandsmeßgerät
DE10140821A1 (de) * 2001-08-20 2003-03-06 Grieshaber Vega Kg Verfahren und Vorrichtung zur direkten Digitalisierung von Mikrowellensignalen
DE10217934A1 (de) * 2002-04-22 2003-11-06 Uwe Seepe Verfahren und Vorrichtung zur Bestimmung einer Flüssigkeitshöhe mit Hilfe von Ultraschallimpulsen
DE10260962A1 (de) * 2002-12-20 2004-07-01 Endress + Hauser Gmbh + Co. Kg Füllstandsmeßgerät und Verfahren zur Füllstandsmessung nach dem Laufzeitprinzip
DE10325267A1 (de) * 2003-06-03 2004-12-23 Endress + Hauser Gmbh + Co. Kg Anordnung und Verfahren zur Füllstandsmessung
US7178396B2 (en) * 2004-08-17 2007-02-20 Steve Carkner Accoustical apparatus and method for measuring water level in a ground water well having obstructions
DE102005018141A1 (de) * 2005-04-20 2006-11-02 Deere & Company, Moline Korntank mit einem Entfernungsmesser zur Erfassung des Füllstands
US8032255B2 (en) 2008-06-30 2011-10-04 Deere & Company Monitoring of bin level for an agricultural product
US8220584B2 (en) * 2009-05-18 2012-07-17 Magnetrol International, Incorporated Hybrid level measurement system
RU2573908C2 (ru) * 2010-05-20 2016-01-27 Митеко Аг Система и способ пастеризации по меньшей мере одной жидкости
DE102014200924A1 (de) * 2014-01-20 2015-07-23 Alfons Tschritter Gmbh Vorrichtung und Verfahren für die Förderung von fließfähigen Stoffen, insbesondere Schüttgütern
DE102016100674B4 (de) * 2016-01-15 2019-03-21 Krohne Messtechnik Gmbh Verfahren zum Betreiben eines berührungslos arbeitenden Ultraschall- oder Radar-Füllstandmessgeräts und berührungslos arbeitendes Ultraschall- oder Radar-Füllstandmessgerät
DE202018001443U1 (de) 2017-08-31 2018-03-27 DB Kommunikationstechnik GmbH Vorrichtung zur Fernüberwachung von Abfallsammelbehälter
DE102018130720A1 (de) * 2018-12-03 2020-06-04 Ima Schelling Deutschland Gmbh Infrastruktursystem
AT523436B1 (de) * 2020-05-20 2021-08-15 Rosenberger Telematics Gmbh Verfahren zum Bestimmen der Schüttgutmenge in einem stehenden Behälter
EP4012356B1 (fr) 2020-12-11 2023-08-30 Pepperl+Fuchs SE Procédé de détermination d'un niveau de remplissage, capteur à ultrasons et dispositif de mesure permettant de déterminer un volume d'un produit de remplissage
DE102020133072A1 (de) 2020-12-11 2022-06-15 Pepperl+Fuchs Se Verfahren zum bestimmen eines füllstands, ultraschallsensor und messeinrichtung zum bestimmen eines volumens eines füllguts

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1504446A (fr) * 1966-02-08 1967-12-08 Electronique Appliquee Perfectionnements aux systèmes de jauges de niveau à ultra-sons
US3939465A (en) * 1969-05-14 1976-02-17 Raytheon Company Remote underwater device activating system
CH613045A5 (en) * 1976-04-16 1979-08-31 Vnii K Tsvetmetavtomatika Method and device for checking the properties of substances enclosed in a container
GB1550085A (en) * 1976-04-16 1979-08-08 Vni I Kt I Cvetmetavtomatika Method of measuring properties of a fluid in a container and device for realizing same
CH607002A5 (fr) * 1976-06-09 1978-11-30 Endress G H & Co
FR2525774B1 (fr) * 1982-04-23 1986-02-07 Thomson Csf Dispositif de filtrage adaptatif de signaux recus par un sonar actif pour la rejection de la reverberation
US4463452A (en) * 1982-09-13 1984-07-31 The United States Of America As Represented By The Secretary Of The Navy Tracking and telemetry system for severe multipath acoustic channels
DE3337690A1 (de) * 1983-10-17 1985-04-25 VEGA Grieshaber GmbH & Co, 7620 Wolfach Verfahren und vorrichtung zur messung des fuellstands in einem behaelter mittels schall-/ultraschallwellen
DE3339984A1 (de) * 1983-11-04 1985-05-23 Endress U. Hauser Gmbh U. Co, 7867 Maulburg Schall- bzw. ultraschall-entfernungsmessgeraet
DE3438045C2 (de) * 1983-11-04 1986-12-18 Endress U. Hauser Gmbh U. Co, 7867 Maulburg Anordnung zur Signalübertragung bei Ultraschall-Echolotgeräten
US4572253A (en) * 1984-07-19 1986-02-25 Farmer M Zane Automatic level sensing system

Also Published As

Publication number Publication date
EP0337293A1 (fr) 1989-10-18
IE62708B1 (en) 1995-02-22
DK175789A (da) 1989-10-14
DE3812293A1 (de) 1989-10-26
CA1296094C (fr) 1992-02-18
DE58902531D1 (de) 1992-12-03
EP0337293B1 (fr) 1992-10-28
JPH0575970B2 (fr) 1993-10-21
US4972386A (en) 1990-11-20
JPH02231532A (ja) 1990-09-13
ES2036292T3 (es) 1993-05-16
DE3812293C2 (fr) 1992-11-19
IE891144L (en) 1989-10-13
DK175789D0 (da) 1989-04-12

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Legal Events

Date Code Title Description
B1 Patent granted (law 1993)