DE3835406A1 - Vorrichtung zum messen eines fuellstandes - Google Patents

Vorrichtung zum messen eines fuellstandes

Info

Publication number
DE3835406A1
DE3835406A1 DE19883835406 DE3835406A DE3835406A1 DE 3835406 A1 DE3835406 A1 DE 3835406A1 DE 19883835406 DE19883835406 DE 19883835406 DE 3835406 A DE3835406 A DE 3835406A DE 3835406 A1 DE3835406 A1 DE 3835406A1
Authority
DE
Germany
Prior art keywords
electrical
reference reflector
pulse
distance
sensor
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
Application number
DE19883835406
Other languages
German (de)
English (en)
Other versions
DE3835406C2 (enrdf_load_stackoverflow
Inventor
Cai Risskov
Poul Boerge Juul Nielsen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Danfoss AS
Original Assignee
Danfoss AS
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 Danfoss AS filed Critical Danfoss AS
Priority to DE19883835406 priority Critical patent/DE3835406A1/de
Priority to GB8923413A priority patent/GB2225113B/en
Priority to DK514289A priority patent/DK167714B1/da
Priority to JP1271428A priority patent/JPH0674995B2/ja
Publication of DE3835406A1 publication Critical patent/DE3835406A1/de
Application granted granted Critical
Publication of DE3835406C2 publication Critical patent/DE3835406C2/de
Granted legal-status Critical Current

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
    • G01F23/24—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 resistance of resistors due to contact with conductor fluid
    • G01F23/241—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 resistance of resistors due to contact with conductor fluid for discrete levels
    • G01F23/243—Schematic arrangements of probes combined with measuring circuits
    • G01F23/244—Schematic arrangements of probes combined with measuring circuits comprising oscillating circuits
    • 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
    • G01F23/24—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 resistance of resistors due to contact with conductor fluid
    • G01F23/241—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 resistance of resistors due to contact with conductor fluid for discrete levels
    • G01F23/242—Mounting arrangements for electrodes
    • 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
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
    • G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Acoustics & Sound (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Control Of Non-Electrical Variables (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
DE19883835406 1988-10-18 1988-10-18 Vorrichtung zum messen eines fuellstandes Granted DE3835406A1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE19883835406 DE3835406A1 (de) 1988-10-18 1988-10-18 Vorrichtung zum messen eines fuellstandes
GB8923413A GB2225113B (en) 1988-10-18 1989-10-17 State of fill-determining apparatus
DK514289A DK167714B1 (da) 1988-10-18 1989-10-17 Indretning til maaling af et medieniveau
JP1271428A JPH0674995B2 (ja) 1988-10-18 1989-10-18 充填状態測定装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19883835406 DE3835406A1 (de) 1988-10-18 1988-10-18 Vorrichtung zum messen eines fuellstandes

Publications (2)

Publication Number Publication Date
DE3835406A1 true DE3835406A1 (de) 1990-04-19
DE3835406C2 DE3835406C2 (enrdf_load_stackoverflow) 1991-07-04

Family

ID=6365349

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19883835406 Granted DE3835406A1 (de) 1988-10-18 1988-10-18 Vorrichtung zum messen eines fuellstandes

Country Status (4)

Country Link
JP (1) JPH0674995B2 (enrdf_load_stackoverflow)
DE (1) DE3835406A1 (enrdf_load_stackoverflow)
DK (1) DK167714B1 (enrdf_load_stackoverflow)
GB (1) GB2225113B (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0668488A3 (de) * 1994-02-18 1996-10-02 Endress Hauser Gmbh Co Anordnung zur Messung des Füllstands in einem Behälter.
WO2001019229A1 (de) * 1999-09-16 2001-03-22 BSH Bosch und Siemens Hausgeräte GmbH Vorrichtung zur überwachung der funktion einer sich drehenden, flüssigkeit abgebenden einrichtung
DE10014887A1 (de) * 2000-03-24 2001-09-27 Volkswagen Ag Vorrichtung zur Bestimmung der Füllstandshöhe eines Füllmediums in einem Tank, insbesondere einem Tank eines Kraftfahrzeugs
US6373261B1 (en) 1995-06-07 2002-04-16 Rosemount Inc. Two-wire level transmitter

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4416038A1 (de) * 1994-05-06 1995-11-09 Sigmund Birle Regenwassernutzungsanlage
US7017408B2 (en) * 2004-02-13 2006-03-28 Be Intellectual Property, Inc. Electro-optic liquid level sensing system for aircraft beverage brewing

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2152928A1 (de) * 1971-10-23 1973-05-03 Licentia Gmbh Einrichtung zur bestimmung des fuellstandes einer elektrisch leitenden fluessigkeit, insbesondere fuer wasch- und geschirrspuelmaschinen
DE2531915B1 (de) * 1975-07-17 1976-05-06 Gerdts Gustav F Kg Sonde zur niveaukontrolle elektrisch leitender fluessigkeiten
DE2152675B2 (de) * 1971-10-22 1976-05-26 L'electronique Appliquee, Montrouge (Frankreich) Anordnung zur kontinuierlichen messung des fuellstandes einer fluessigkeit in einem behaelter
DE2743409A1 (de) * 1977-09-27 1979-03-29 Endress Hauser Gmbh Co Nach dem echoprinzip arbeitender ultraschall-fuellstandgrenzschalter
DE3339984A1 (de) * 1983-11-04 1985-05-23 Endress U. Hauser Gmbh U. Co, 7867 Maulburg Schall- bzw. ultraschall-entfernungsmessgeraet

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2198535B (en) * 1986-11-01 1991-06-05 Parke Davis & Co Ltd Apparatus and method for determining the amount of substance in a vessel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2152675B2 (de) * 1971-10-22 1976-05-26 L'electronique Appliquee, Montrouge (Frankreich) Anordnung zur kontinuierlichen messung des fuellstandes einer fluessigkeit in einem behaelter
DE2152928A1 (de) * 1971-10-23 1973-05-03 Licentia Gmbh Einrichtung zur bestimmung des fuellstandes einer elektrisch leitenden fluessigkeit, insbesondere fuer wasch- und geschirrspuelmaschinen
DE2531915B1 (de) * 1975-07-17 1976-05-06 Gerdts Gustav F Kg Sonde zur niveaukontrolle elektrisch leitender fluessigkeiten
DE2743409A1 (de) * 1977-09-27 1979-03-29 Endress Hauser Gmbh Co Nach dem echoprinzip arbeitender ultraschall-fuellstandgrenzschalter
DE3339984A1 (de) * 1983-11-04 1985-05-23 Endress U. Hauser Gmbh U. Co, 7867 Maulburg Schall- bzw. ultraschall-entfernungsmessgeraet

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0668488A3 (de) * 1994-02-18 1996-10-02 Endress Hauser Gmbh Co Anordnung zur Messung des Füllstands in einem Behälter.
EP0961106A1 (de) * 1994-02-18 1999-12-01 Endress + Hauser GmbH + Co. Füllstandsmessgerät zur Messung des Füllstands eines Füllguts in einem Behälter
US6047598A (en) * 1994-02-18 2000-04-11 Endress + Hauser Gmbh + Co. Arrangement for measuring the level of contents in a container
US6539794B1 (en) 1994-02-18 2003-04-01 Johanngeorg Otto Arrangement for measuring the level of contents in a container
US6373261B1 (en) 1995-06-07 2002-04-16 Rosemount Inc. Two-wire level transmitter
WO2001019229A1 (de) * 1999-09-16 2001-03-22 BSH Bosch und Siemens Hausgeräte GmbH Vorrichtung zur überwachung der funktion einer sich drehenden, flüssigkeit abgebenden einrichtung
US6761179B2 (en) 1999-09-16 2004-07-13 Bsh Bosch Und Siemens Hausgerate Gmbh Device for monitoring the functioning of a rotating liquid-discharging appliance
DE10014887A1 (de) * 2000-03-24 2001-09-27 Volkswagen Ag Vorrichtung zur Bestimmung der Füllstandshöhe eines Füllmediums in einem Tank, insbesondere einem Tank eines Kraftfahrzeugs
DE10014887B4 (de) * 2000-03-24 2011-08-11 Volkswagen AG, 38440 Vorrichtung zur Bestimmung der Füllstandshöhe eines Füllmediums in einem Tank, insbesondere einem Tank eines Kraftfahrzeugs

Also Published As

Publication number Publication date
GB8923413D0 (en) 1989-12-06
DK167714B1 (da) 1993-12-06
JPH0674995B2 (ja) 1994-09-21
GB2225113B (en) 1992-10-07
JPH02159522A (ja) 1990-06-19
GB2225113A (en) 1990-05-23
DE3835406C2 (enrdf_load_stackoverflow) 1991-07-04
DK514289D0 (da) 1989-10-17
DK514289A (da) 1990-04-19

Similar Documents

Publication Publication Date Title
DE2839634C2 (de) Flüssigkeitsstand-Meßgerät
DE69321141T2 (de) Rauschreduktion in einem magnetostriktiven positionsgeber durch die ermittlung eines gültigen zeitbereichs für die übertragung von akustischen referenzimpulsen
DE4405238C2 (de) Anordnung zur Messung des Füllstands in einem Behälter
DE69013940T2 (de) Verfahren und Vorrichtung zur Erprobung des Inhalts von Flüssigkeitsbehältern.
DE69517972T2 (de) Piezoelektrische messfühler
DE3887415T2 (de) Pegelmessung für Speichersilos.
DE2906704A1 (de) Ultraschalltransponder
DE1648056A1 (de) Mit mechanischen Wellen arbeitender Eindraht-Tiefenmesser
DE29623918U1 (de) Zweidrahtpegelsender
DE2655415C3 (de) Vorrichtung zum Überwachen eines Widers tandspunktschweißvorgangs
DE1573424A1 (de) Vorrichtung zur Materialuntersuchung mit Ultraschall
DE3533479A1 (de) Verfahren zum ueberwachen eines objektes mit hilfe einer signalleitung sowie impuls-messgeraet zur durchfuehrung dieses verfahrens
DE3835406A1 (de) Vorrichtung zum messen eines fuellstandes
EP3118591B1 (de) Füllstandmessgerät
DE10240550A1 (de) Füllstandsmeßgerät
DE2817247A1 (de) Verfahren und einrichtung zum messen von entfernungen oder fuellhoehen durch echolotung in einem gasfoermigen medium mittels schallwellen
US2709918A (en) Tank gauge
EP1059516A1 (de) Verfahren und Vorrichtung zur Füllstandsmessung an Behältern
DE19930896A1 (de) Füllstands-Detekor für fließendes Material
DE2203081A1 (de) Verfahren und vorrichtung zur abstandsmessung zwischen einem ortsfesten und einem ortsveraenderlichen teil
DE3031980A1 (de) Verfahren und einrichtung zur bestimmung eines relativabstands bei einer zylinder-kolben-einheit
DE3044354A1 (de) Verfahren zur feststellung des erreichens eines vorbestimmten fuellstandes in einem behaelter und vorrichtung zur durchfuehrung des verfahrens
DE3421176C2 (enrdf_load_stackoverflow)
DE3330063A1 (de) Fluessigkeitsstandmesser fuer fluessigkeitsbehaelter
DE960318C (de) Ultraschall-Hoehenstandsmesser

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
8339 Ceased/non-payment of the annual fee