PL3894805T3 - Pojemnościowy czujnik poziomu cieczy oraz zespół czujnika cieczy - Google Patents

Pojemnościowy czujnik poziomu cieczy oraz zespół czujnika cieczy

Info

Publication number
PL3894805T3
PL3894805T3 PL19823950.1T PL19823950T PL3894805T3 PL 3894805 T3 PL3894805 T3 PL 3894805T3 PL 19823950 T PL19823950 T PL 19823950T PL 3894805 T3 PL3894805 T3 PL 3894805T3
Authority
PL
Poland
Prior art keywords
liquid
sensor
capacitive
liquid level
level sensor
Prior art date
Application number
PL19823950.1T
Other languages
English (en)
Inventor
King HO
William E. Shepherd
Original Assignee
Charles Austen Pumps Ltd.
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 Charles Austen Pumps Ltd. filed Critical Charles Austen Pumps Ltd.
Publication of PL3894805T3 publication Critical patent/PL3894805T3/pl

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
    • G01F23/26—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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/24—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
    • 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
    • G01F23/26—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
    • G01F23/26—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
    • G01F23/268—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 mounting arrangements of probes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01W—METEOROLOGY
    • G01W1/00—Meteorology
    • G01W1/10—Devices for predicting weather conditions

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Environmental Sciences (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
PL19823950.1T 2018-12-13 2019-12-12 Pojemnościowy czujnik poziomu cieczy oraz zespół czujnika cieczy PL3894805T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1820355.4A GB2579794B (en) 2018-12-13 2018-12-13 A capacitive liquid level sensor and liquid sensor assembly
PCT/GB2019/053524 WO2020120971A1 (en) 2018-12-13 2019-12-12 Capacitive liquid level sensor and liquid sensor assembly

Publications (1)

Publication Number Publication Date
PL3894805T3 true PL3894805T3 (pl) 2024-07-22

Family

ID=65147080

Family Applications (1)

Application Number Title Priority Date Filing Date
PL19823950.1T PL3894805T3 (pl) 2018-12-13 2019-12-12 Pojemnościowy czujnik poziomu cieczy oraz zespół czujnika cieczy

Country Status (10)

Country Link
US (1) US11976958B2 (pl)
EP (1) EP3894805B1 (pl)
JP (1) JP7206468B2 (pl)
CN (1) CN113330284B (pl)
CA (1) CA3122722A1 (pl)
GB (1) GB2579794B (pl)
MX (1) MX2021007002A (pl)
PL (1) PL3894805T3 (pl)
RU (1) RU2767654C1 (pl)
WO (1) WO2020120971A1 (pl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2584384B (en) 2019-02-11 2021-12-08 Aspen Pumps Ltd Improved liquid sensor
US11247891B1 (en) * 2020-08-14 2022-02-15 Lab2Fab Llc Connected and automated liquid dispensing attachment
GB2602121B (en) 2020-12-18 2025-04-02 Charles Austen Pumps Ltd An evaporator unit for an air conditioning system

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8304121A (nl) * 1983-12-01 1985-07-01 Richard Mulder Niveaumeter van het capacitieve type.
US5507178A (en) 1994-11-09 1996-04-16 Cosense, Inc Liquid presence and identification sensor
US5929754A (en) * 1997-12-03 1999-07-27 Kavlico Corporation High-sensitivity capacitive oil deterioration and level sensor
NL1012743C2 (nl) * 1999-07-29 2001-01-30 Enraf Bv Capacitieve sensor voor niveaumeting van water in een olietank.
JP2003130714A (ja) * 2001-10-29 2003-05-08 Mitsubishi Heavy Ind Ltd 液位測定装置
JP3986906B2 (ja) * 2002-07-05 2007-10-03 日本特殊陶業株式会社 液体レベルセンサ、液体レベルセンサユニット
EP1400787A1 (en) * 2002-09-17 2004-03-24 Nanmat Technology Co., Ltd. Method for detecting quantity variation of high purity liquid chemicals and devices to carry out the method
JP2004347331A (ja) * 2003-05-20 2004-12-09 Nakahara Sekkei Jimusho:Kk 液面レベル検出用電極およびこれを用いた液レベル検出システム
JP2005147779A (ja) * 2003-11-13 2005-06-09 Alps Electric Co Ltd 液面レベルセンサ
US7114391B2 (en) * 2003-12-26 2006-10-03 Ngk Spark Plug Co., Ltd. Liquid level detection apparatus
DE102005000814A1 (de) * 2004-01-06 2005-07-28 NGK Spark Plug Co., Ltd., Nagoya Flüssigkeitszustands-Messelement und Flüssigkeitszustands-Messsensor
DE602005020617D1 (de) * 2004-05-18 2010-05-27 Ngk Spark Plug Co Kapazitiver flüssigkeitszustandssensor
JP2006105953A (ja) 2004-09-09 2006-04-20 Ngk Spark Plug Co Ltd 静電式液体状態検知センサ
EP1677083A1 (fr) * 2004-12-22 2006-07-05 Roxer Industries S.A. Capteur de niveau d'un liquide.
RU53771U1 (ru) * 2005-03-11 2006-05-27 Закрытое акционерное общество научно-производственно-коммерческая компания "РУСНИТ" Датчик уровня и блок обработки сигналов для его осуществления
JP4746479B2 (ja) * 2005-07-04 2011-08-10 日本特殊陶業株式会社 静電式液体状態検知装置
US7735354B2 (en) * 2006-01-25 2010-06-15 Ngk Spark Plug Co., Ltd. Liquid-condition detection sensor
EP1887329A3 (en) * 2006-08-09 2008-12-24 Ngk Spark Plug Co., Ltd Liquid state detecting sensor
US8813561B2 (en) * 2012-02-09 2014-08-26 Toyota Jidosha Kabushiki Kaisha Liquid level detecting device and fuel tank structure
CN104364621A (zh) * 2012-06-14 2015-02-18 皇家飞利浦有限公司 电容式液位传感器
RU123942U1 (ru) * 2012-07-27 2013-01-10 Марат Габдулгазизович Бикмуллин Емкостной датчик уровня топлива, предназначенный для эксплуатации в условиях повышенной вибрации
GB2531291B (en) * 2014-10-14 2019-12-04 Aspen Pumps Ltd Liquid level detector
FR3051553B1 (fr) * 2016-05-17 2018-06-15 Universite Grenoble Alpes Dispositif de detection capacitive et dispositif de mesure l'incluant
EP3457095B1 (de) * 2017-09-15 2019-11-06 Sick AG Kapazitiver füllstandsensor und verfahren zur messung des füllstands eines mediums

Also Published As

Publication number Publication date
JP7206468B2 (ja) 2023-01-18
CA3122722A1 (en) 2020-06-18
WO2020120971A1 (en) 2020-06-18
EP3894805C0 (en) 2024-04-03
RU2767654C1 (ru) 2022-03-18
EP3894805B1 (en) 2024-04-03
JP2022512400A (ja) 2022-02-03
GB2579794B (en) 2021-05-19
BR112021011412A2 (pt) 2021-08-31
MX2021007002A (es) 2021-09-21
GB2579794A (en) 2020-07-08
CN113330284A (zh) 2021-08-31
CN113330284B (zh) 2024-05-28
GB201820355D0 (en) 2019-01-30
US20220026256A1 (en) 2022-01-27
US11976958B2 (en) 2024-05-07
EP3894805A1 (en) 2021-10-20

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