DE102011013559B8 - Schaltungs- oder Messanordnung zur kapazitiven, berührenden und/oder berührungslosen Überwachung eines Füllstandes und/oder einer Leckage leitfähiger Medien und Verfahren hierzu - Google Patents

Schaltungs- oder Messanordnung zur kapazitiven, berührenden und/oder berührungslosen Überwachung eines Füllstandes und/oder einer Leckage leitfähiger Medien und Verfahren hierzu Download PDF

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Publication number
DE102011013559B8
DE102011013559B8 DE201110013559 DE102011013559A DE102011013559B8 DE 102011013559 B8 DE102011013559 B8 DE 102011013559B8 DE 201110013559 DE201110013559 DE 201110013559 DE 102011013559 A DE102011013559 A DE 102011013559A DE 102011013559 B8 DE102011013559 B8 DE 102011013559B8
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DE
Germany
Prior art keywords
capacitive
touching
leakage
level
circuit
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 - Fee Related
Application number
DE201110013559
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English (en)
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DE102011013559B9 (de
DE102011013559B3 (de
Inventor
Wolfgang Frank
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iSEMcon GmbH
Original Assignee
iSEMcon GmbH
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Publication date
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Priority to DE201110013559 priority Critical patent/DE102011013559B8/de
Publication of DE102011013559B3 publication Critical patent/DE102011013559B3/de
Publication of DE102011013559B9 publication Critical patent/DE102011013559B9/de
Application granted granted Critical
Publication of DE102011013559B8 publication Critical patent/DE102011013559B8/de
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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
    • 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
    • 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
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
    • G01M3/3236—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers
    • G01M3/3245—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers using a level monitoring device

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
DE201110013559 2011-03-10 2011-03-10 Schaltungs- oder Messanordnung zur kapazitiven, berührenden und/oder berührungslosen Überwachung eines Füllstandes und/oder einer Leckage leitfähiger Medien und Verfahren hierzu Expired - Fee Related DE102011013559B8 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE201110013559 DE102011013559B8 (de) 2011-03-10 2011-03-10 Schaltungs- oder Messanordnung zur kapazitiven, berührenden und/oder berührungslosen Überwachung eines Füllstandes und/oder einer Leckage leitfähiger Medien und Verfahren hierzu

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201110013559 DE102011013559B8 (de) 2011-03-10 2011-03-10 Schaltungs- oder Messanordnung zur kapazitiven, berührenden und/oder berührungslosen Überwachung eines Füllstandes und/oder einer Leckage leitfähiger Medien und Verfahren hierzu

Publications (3)

Publication Number Publication Date
DE102011013559B3 DE102011013559B3 (de) 2012-08-09
DE102011013559B9 DE102011013559B9 (de) 2012-10-31
DE102011013559B8 true DE102011013559B8 (de) 2013-01-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
DE201110013559 Expired - Fee Related DE102011013559B8 (de) 2011-03-10 2011-03-10 Schaltungs- oder Messanordnung zur kapazitiven, berührenden und/oder berührungslosen Überwachung eines Füllstandes und/oder einer Leckage leitfähiger Medien und Verfahren hierzu

Country Status (1)

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012004913B4 (de) * 2012-03-09 2014-04-10 Paragon Ag Vorrichtung zur Bestimmung eines zu einem Verhältnis von Induktivitäten bzw. Kapazitäten zweier induktiver bzw. kapazitiver Bauteile proportionalen Messwerts und entsprechendes Verfahren
DE102015108092A1 (de) 2015-05-21 2016-11-24 Hamilton Bonaduz Ag Pipettiervorrichtung

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6466036B1 (en) * 1998-11-25 2002-10-15 Harald Philipp Charge transfer capacitance measurement circuit
DE10159336A1 (de) * 2001-05-24 2002-12-05 Sie Elektronik Ind Elektronik Verfahren zur Selbstjustierung eines Sensors sowie selbstjustierender Sensor
DE10156580A1 (de) * 2001-11-20 2003-05-28 Sie Sensorik Ind Elektronik Gm Oszillatorschaltungen zur Detektion kleiner Kapazitäten oder Kapazitätsunterschiede zum Einsatz in kapazitiven Sensoren
DE102005057558A1 (de) * 2005-11-30 2007-06-06 Sie Sensorik Industrie-Elektronik Gmbh Sensor zur berührungslosen Detektion des Füllstandes eines flüssigen und anhaltenden Mediums hoher Leitfähigkeit, insbesonere Blut, durch eine nichtmetallische Behälterwand eines Behälters und Verfahren hierzu
DE102009017011A1 (de) * 2009-04-14 2010-10-28 Balluff Gmbh Schaltungsanordnung zur Bestimmung einer Messkapazität
US20100283485A1 (en) * 2007-07-11 2010-11-11 Marimils Oy Method and device for capacitive detection of objects

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6466036B1 (en) * 1998-11-25 2002-10-15 Harald Philipp Charge transfer capacitance measurement circuit
DE10159336A1 (de) * 2001-05-24 2002-12-05 Sie Elektronik Ind Elektronik Verfahren zur Selbstjustierung eines Sensors sowie selbstjustierender Sensor
DE10156580A1 (de) * 2001-11-20 2003-05-28 Sie Sensorik Ind Elektronik Gm Oszillatorschaltungen zur Detektion kleiner Kapazitäten oder Kapazitätsunterschiede zum Einsatz in kapazitiven Sensoren
DE102005057558A1 (de) * 2005-11-30 2007-06-06 Sie Sensorik Industrie-Elektronik Gmbh Sensor zur berührungslosen Detektion des Füllstandes eines flüssigen und anhaltenden Mediums hoher Leitfähigkeit, insbesonere Blut, durch eine nichtmetallische Behälterwand eines Behälters und Verfahren hierzu
US20100283485A1 (en) * 2007-07-11 2010-11-11 Marimils Oy Method and device for capacitive detection of objects
DE102009017011A1 (de) * 2009-04-14 2010-10-28 Balluff Gmbh Schaltungsanordnung zur Bestimmung einer Messkapazität

Also Published As

Publication number Publication date
DE102011013559B9 (de) 2012-10-31
DE102011013559B3 (de) 2012-08-09

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