FR2453393A1 - Montage d'exploitation analogique pour capteur de position inductif, notamment pour capteur semi-differentiel a anneau en court-circuit - Google Patents

Montage d'exploitation analogique pour capteur de position inductif, notamment pour capteur semi-differentiel a anneau en court-circuit

Info

Publication number
FR2453393A1
FR2453393A1 FR8006896A FR8006896A FR2453393A1 FR 2453393 A1 FR2453393 A1 FR 2453393A1 FR 8006896 A FR8006896 A FR 8006896A FR 8006896 A FR8006896 A FR 8006896A FR 2453393 A1 FR2453393 A1 FR 2453393A1
Authority
FR
France
Prior art keywords
position sensor
coil
evaluation circuit
variable inductance
inductive position
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
FR8006896A
Other languages
English (en)
Other versions
FR2453393B3 (fr
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of FR2453393A1 publication Critical patent/FR2453393A1/fr
Application granted granted Critical
Publication of FR2453393B3 publication Critical patent/FR2453393B3/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G01D5/2225—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 non-ferromagnetic conductive element
    • G01D5/2233—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 non-ferromagnetic conductive element constituting a short-circuiting element
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
    • G01R27/2611—Measuring inductance

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)

Abstract

a. Le montage d'exploitation analogique pour capteur de position inductif, comportant deux bobines montées sur un noyau commun, l'inductance de l'une d'entre elles pouvant varier au moyen d'un anneau en court-circuit. b. Il est monté dans ce circuit un oscillateur de Clapp (T1, T2) dont le circuit oscillant comprend au moins les deux bobines en série, et un condensateur en série et qu'il est prévu un amplificateur 18 fonctionnant comme régulateur 17, et un second amplificateur 33, fonctionnant en redresseur, et dont la sortie est reliée à un condensateur 37 dont la tension UA fournit l'information sur le déplacement. c. Ce montage extrêmement simple permet de convertir l'inductance de la bobine variant en fonction du déplacement en une valeur électrique analogique.
FR8006896A 1979-04-06 1980-03-27 Montage d'exploitation analogique pour capteur de position inductif, notamment pour capteur semi-differentiel a anneau en court-circuit Granted FR2453393A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792913895 DE2913895C2 (de) 1979-04-06 1979-04-06 Schaltungsanordnung für einen induktiven Weggeber

Publications (2)

Publication Number Publication Date
FR2453393A1 true FR2453393A1 (fr) 1980-10-31
FR2453393B3 FR2453393B3 (fr) 1982-01-29

Family

ID=6067638

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8006896A Granted FR2453393A1 (fr) 1979-04-06 1980-03-27 Montage d'exploitation analogique pour capteur de position inductif, notamment pour capteur semi-differentiel a anneau en court-circuit

Country Status (3)

Country Link
DE (1) DE2913895C2 (fr)
FR (1) FR2453393A1 (fr)
LU (1) LU81173A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4897794A (en) * 1987-07-21 1990-01-30 Egg Co., Ltd. Impulse coil tester
DE3903278C2 (de) * 1989-02-03 1995-09-28 Rexroth Mannesmann Gmbh Induktive Wegaufnehmeranordnung
DE10031237C2 (de) * 2000-06-27 2003-08-14 Daimler Chrysler Ag Elektromagnetischer Aktuator, insbesondere zur Betätigung eines Gaswechselventils einer Brennkraftmaschine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2008902C3 (de) * 1970-02-26 1973-09-20 Robert Bosch Gmbh, 7000 Stuttgart Amplitudenstabiler Sinus-Oszillator

Also Published As

Publication number Publication date
FR2453393B3 (fr) 1982-01-29
LU81173A1 (de) 1979-12-06
DE2913895A1 (de) 1980-10-16
DE2913895C2 (de) 1986-07-10

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