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DE69203727D1 - Verfahren zum dynamischen kontaktlosen Messen einer Verschiebungs- oder Dielektrizitätskonstanten, mit Hilfe eines kapazitiven Sensors. - Google Patents

Verfahren zum dynamischen kontaktlosen Messen einer Verschiebungs- oder Dielektrizitätskonstanten, mit Hilfe eines kapazitiven Sensors.

Info

Publication number
DE69203727D1
DE69203727D1 DE69203727T DE69203727T DE69203727D1 DE 69203727 D1 DE69203727 D1 DE 69203727D1 DE 69203727 T DE69203727 T DE 69203727T DE 69203727 T DE69203727 T DE 69203727T DE 69203727 D1 DE69203727 D1 DE 69203727D1
Authority
DE
Germany
Prior art keywords
capacitive sensor
displacement
help
dynamic
dielectric constant
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 - Lifetime
Application number
DE69203727T
Other languages
English (en)
Other versions
DE69203727T2 (de
Inventor
Marius Cloutier
Sylvain Savard
Jean-Marc Bourgeois
Francois Lalonde
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.)
Hydro Quebec
Original Assignee
Hydro Quebec
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 Hydro Quebec filed Critical Hydro Quebec
Application granted granted Critical
Publication of DE69203727D1 publication Critical patent/DE69203727D1/de
Publication of DE69203727T2 publication Critical patent/DE69203727T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01F23/26—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
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/023—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring distance between sensor and object
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/14—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring distance or clearance between spaced objects or spaced apertures
    • 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
    • G01D5/241—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 by relative movement of capacitor electrodes
    • G01D5/2412—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 by relative movement of capacitor electrodes by varying overlap
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
DE69203727T 1991-04-25 1992-04-16 Verfahren zum dynamischen kontaktlosen Messen einer Verschiebungs- oder Dielektrizitätskonstanten, mit Hilfe eines kapazitiven Sensors. Expired - Lifetime DE69203727T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002041231A CA2041231C (fr) 1991-04-25 1991-04-25 Mesure dynamique et sans contact de deplacement ou de permittivite a l'aide d'un capteur capacitif
PCT/CA1992/000166 WO1992019939A1 (fr) 1991-04-25 1992-04-16 Mesure dynamique et sans contact de deplacement ou de permittivite a l'aide d'un capteur capacitif

Publications (2)

Publication Number Publication Date
DE69203727D1 true DE69203727D1 (de) 1995-08-31
DE69203727T2 DE69203727T2 (de) 1996-04-11

Family

ID=4147475

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69203727T Expired - Lifetime DE69203727T2 (de) 1991-04-25 1992-04-16 Verfahren zum dynamischen kontaktlosen Messen einer Verschiebungs- oder Dielektrizitätskonstanten, mit Hilfe eines kapazitiven Sensors.

Country Status (13)

Country Link
US (2) US6075464A (de)
EP (1) EP0608230B1 (de)
JP (1) JPH06508682A (de)
KR (1) KR0166981B1 (de)
CN (1) CN1030795C (de)
AT (1) ATE125620T1 (de)
AU (1) AU1567292A (de)
BR (1) BR9205947A (de)
CA (1) CA2041231C (de)
DE (1) DE69203727T2 (de)
MX (1) MX9201923A (de)
RU (2) RU2104478C1 (de)
WO (1) WO1992019939A1 (de)

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US8717181B2 (en) 2010-07-29 2014-05-06 Hill-Rom Services, Inc. Bed exit alert silence with automatic re-enable
CN102288102B (zh) * 2011-07-28 2012-11-28 南昌大学 一种检测物体相对位置的装置
DE102011081666A1 (de) * 2011-08-26 2013-02-28 Siemens Aktiengesellschaft Kontaktloser kapazitiver Abstandssensor
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US9279655B2 (en) 2013-02-26 2016-03-08 The United States Of America As Represented By The Secretary Of The Navy Non-contact electrical machine air gap measurement tool
CN103424065A (zh) * 2013-07-29 2013-12-04 中国原子能科学研究院 一种微小距离的测定方法
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CN107131818B (zh) * 2017-06-05 2019-05-17 Oppo广东移动通信有限公司 一种零件装配检测方法
CN109059744A (zh) * 2017-06-13 2018-12-21 南京理工大学 基于ada2200的微位移信号检测系统及测量方法
KR102621253B1 (ko) * 2017-11-08 2024-01-08 현대자동차주식회사 터치 입력장치
CN107962579B (zh) * 2017-11-20 2019-10-11 西安交通大学 一种机器人灵巧手及材质检测识别系统
CN109752030B (zh) * 2019-02-21 2024-12-24 长春通视光电技术股份有限公司 一种贴片式位置检测传感器
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CN111551792B (zh) * 2020-05-27 2022-05-31 哈尔滨理工大学 一种绝缘电介质无穷高频相对介电常数测量方法
CN112325756A (zh) * 2020-09-04 2021-02-05 山东休普动力科技股份有限公司 自由活塞发动机动子位移传感器、动子识别系统及方法
CN112648916B (zh) * 2021-01-18 2022-11-18 中北大学 一种三维微小位移测量方法及系统
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Also Published As

Publication number Publication date
CN1066121A (zh) 1992-11-11
US6075464A (en) 2000-06-13
WO1992019939A1 (fr) 1992-11-12
MX9201923A (es) 1992-11-01
EP0608230B1 (de) 1995-07-26
DE69203727T2 (de) 1996-04-11
CN1030795C (zh) 1996-01-24
ATE125620T1 (de) 1995-08-15
AU1567292A (en) 1992-12-21
KR0166981B1 (ko) 1999-03-30
RU2115935C1 (ru) 1998-07-20
CA2041231A1 (fr) 1992-10-26
RU2104478C1 (ru) 1998-02-10
CA2041231C (fr) 1999-02-16
JPH06508682A (ja) 1994-09-29
BR9205947A (pt) 1994-07-05
US5990807A (en) 1999-11-23
EP0608230A1 (de) 1994-08-03

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