DE69007076D1 - Induktiver Sensor und Vorrichtung zum messen der Verschiebung eines mobilen Gegenstandes. - Google Patents

Induktiver Sensor und Vorrichtung zum messen der Verschiebung eines mobilen Gegenstandes.

Info

Publication number
DE69007076D1
DE69007076D1 DE90403558T DE69007076T DE69007076D1 DE 69007076 D1 DE69007076 D1 DE 69007076D1 DE 90403558 T DE90403558 T DE 90403558T DE 69007076 T DE69007076 T DE 69007076T DE 69007076 D1 DE69007076 D1 DE 69007076D1
Authority
DE
Germany
Prior art keywords
displacement
measuring
mobile object
inductive sensor
inductive
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
DE90403558T
Other languages
English (en)
Other versions
DE69007076T2 (de
Inventor
Henri Clergeot
Dominique Placko
Michel Plantevin
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Application granted granted Critical
Publication of DE69007076D1 publication Critical patent/DE69007076D1/de
Publication of DE69007076T2 publication Critical patent/DE69007076T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01D5/20—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 inductance, e.g. by a movable armature
    • G01D5/22—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 inductance, e.g. by a movable armature differentially influencing two coils
    • G01D5/225—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 inductance, e.g. by a movable armature differentially influencing two coils by influencing the mutual induction between the two coils
    • G01D5/2258—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 inductance, e.g. by a movable armature differentially influencing two coils by influencing the mutual induction between the two coils by a movable ferromagnetic element, e.g. core
    • G01D5/2266—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 inductance, e.g. by a movable armature differentially influencing two coils by influencing the mutual induction between the two coils by a movable ferromagnetic element, e.g. core specially adapted circuits therefor
    • 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
    • G01D5/20—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 inductance, e.g. by a movable armature
    • G01D5/22—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 inductance, e.g. by a movable armature differentially influencing two coils
    • G01D5/2208—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 inductance, e.g. by a movable armature differentially influencing two coils by influencing the self-induction of the coils
    • G01D5/2216—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 inductance, e.g. by a movable armature differentially influencing two coils by influencing the self-induction of the coils by a movable ferromagnetic element, e.g. a core
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
DE69007076T 1989-12-14 1990-12-12 Induktiver Sensor und Vorrichtung zum messen der Verschiebung eines mobilen Gegenstandes. Expired - Fee Related DE69007076T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8916556A FR2656087B1 (fr) 1989-12-14 1989-12-14 Capteur inductif et dispositifs de mesure du deplacement d'un organe mobile.

Publications (2)

Publication Number Publication Date
DE69007076D1 true DE69007076D1 (de) 1994-04-07
DE69007076T2 DE69007076T2 (de) 1994-09-08

Family

ID=9388508

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69007076T Expired - Fee Related DE69007076T2 (de) 1989-12-14 1990-12-12 Induktiver Sensor und Vorrichtung zum messen der Verschiebung eines mobilen Gegenstandes.

Country Status (8)

Country Link
US (1) US5117181A (de)
EP (1) EP0441074B1 (de)
JP (1) JPH0427819A (de)
KR (1) KR910012666A (de)
CA (1) CA2031751A1 (de)
DE (1) DE69007076T2 (de)
ES (1) ES2050983T3 (de)
FR (1) FR2656087B1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9206203D0 (en) * 1992-03-21 1992-05-06 Schlumberger Ind Ltd Inductive sensors
US6690963B2 (en) 1995-01-24 2004-02-10 Biosense, Inc. System for determining the location and orientation of an invasive medical instrument
US5563922A (en) * 1995-10-23 1996-10-08 Aep Energy Services, Inc. Method and system for indicating the position of control rods of a nuclear reactor
KR100347012B1 (ko) * 2000-02-02 2002-08-03 한국과학기술원 고감도 변위측정장치
US6667615B2 (en) * 2000-02-10 2003-12-23 Sankyo Seiki Mfg. Co., Ltd. Coin identifying device using magnetic sensors
JP2003004407A (ja) * 2001-06-20 2003-01-08 Sankyo Seiki Mfg Co Ltd 変位測定装置
EP1283409A1 (de) * 2001-08-08 2003-02-12 Université de Liège Detektorvorrichtung
JP4690110B2 (ja) 2004-05-24 2011-06-01 株式会社ミツトヨ 差動トランスの信号処理装置及び信号処理方法
RU2507474C1 (ru) * 2012-08-07 2014-02-20 Открытое акционерное общество "Авангард" Индукционный датчик положения

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3246219A (en) * 1957-05-03 1966-04-12 Devol Ferroresonant devices
US3290487A (en) * 1962-04-16 1966-12-06 Sperry Rand Corp Signal transducer
GB1236071A (en) * 1968-03-14 1971-06-16 Otto Henry Zinke Magnetic flux-activated control
US3617874A (en) * 1970-04-13 1971-11-02 Foerster Friedrich M O Magnetic leakage field flaw detector utilizing two ring core sensors
US3863235A (en) * 1973-02-20 1975-01-28 Rockwell International Corp Phase sensitive position pickoff device
FR2425648A1 (fr) * 1978-05-08 1979-12-07 Commissariat Energie Atomique Detecteur de champ magnetique
CH647316A5 (en) * 1980-05-28 1985-01-15 Vladimir Vladimirovich Kljuev Device for converting a linear displacement of parts of machines or apparatuses into an electric signal
GB2083226B (en) * 1980-08-23 1985-01-09 Hocking Electronics Ltd Eddy current testing probe
JPS5910814A (ja) * 1982-07-12 1984-01-20 Hitachi Metals Ltd トナ−レベルセンサ
US4514689A (en) * 1982-12-27 1985-04-30 Varian Associates, Inc. High resolution position sensing apparatus with linear variable differential transformers having phase-shifted energizing signals
US4810964A (en) * 1986-01-22 1989-03-07 Kamyr Ab Method and apparatus for measuring the distance between a measuring transducer and an opposing surface, particularly with paper pulp equipment

Also Published As

Publication number Publication date
KR910012666A (ko) 1991-08-08
CA2031751A1 (en) 1991-06-15
US5117181A (en) 1992-05-26
EP0441074A2 (de) 1991-08-14
EP0441074B1 (de) 1994-03-02
EP0441074A3 (de) 1991-09-25
DE69007076T2 (de) 1994-09-08
JPH0427819A (ja) 1992-01-30
ES2050983T3 (es) 1994-06-01
FR2656087B1 (fr) 1992-03-13
FR2656087A1 (fr) 1991-06-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee