FR2456308A1 - Montage d'exploitation pour capteur de deplacement inductif a anneau en court-circuit - Google Patents
Montage d'exploitation pour capteur de deplacement inductif a anneau en court-circuitInfo
- Publication number
- FR2456308A1 FR2456308A1 FR8009864A FR8009864A FR2456308A1 FR 2456308 A1 FR2456308 A1 FR 2456308A1 FR 8009864 A FR8009864 A FR 8009864A FR 8009864 A FR8009864 A FR 8009864A FR 2456308 A1 FR2456308 A1 FR 2456308A1
- Authority
- FR
- France
- Prior art keywords
- coil
- comparator
- short circuit
- ring distance
- inductance
- 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
Links
- 238000011156 evaluation Methods 0.000 title abstract 3
- 230000001939 inductive effect Effects 0.000 title abstract 2
- 238000012935 Averaging Methods 0.000 abstract 1
- 239000012528 membrane Substances 0.000 abstract 1
- 230000010356 wave oscillation Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/10—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in inductance, i.e. electric 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
- G01D5/2006—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 by influencing the self-induction of one or more coils
- G01D5/202—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 by influencing the self-induction of one or more coils by movable a non-ferromagnetic conductive element
- G01D5/2026—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 by influencing the self-induction of one or more coils by movable a 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
- 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
- G01D5/244—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 characteristics of pulses or pulse trains; generating pulses or pulse trains
- G01D5/248—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 characteristics of pulses or pulse trains; generating pulses or pulse trains by varying pulse repetition frequency
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/007—Transmitting or indicating the displacement of flexible diaphragms using variations in inductance
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Electronic Switches (AREA)
Abstract
A.MONTAGE D'EXPLOITATION POUR CAPTEUR DE DEPLACEMENT. B.CE MONTAGE, COMPORTANT, SUR UN NOYAU EN FER, UNE BOBINE A INDUCTANCE VARIABLE AU MOYEN D'UN ANNEAU EN COURT-CIRCUIT DONT LE DEPLACEMENT SUR UNE BRANCHE DE CET ANNEAU EST CONVERTI EN SIGNAL ELECTRIQUE ANALOGIQUE A L'AIDE D'UN COMPARATEUR DE TENSION, EST CARACTERISE EN CE QUE, A LA SUITE DU COMPARATEUR EST BRANCHEE UNE BASCULE DONT CHAQUE SORTIE EST RACCORDEE A UN TRANSISTOR DE COMMUTATION ET CES TRANSISTORS BRANCHENT ALTERNATIVEMENT, DANS UN CIRCUIT RELIE AU COMPARATEUR, LA BOBINE A INDUCTANCE VARIABLE ET UNE BOBINE DE COMPARAISON. C.L'INVENTION S'APPLIQUE PRINCIPALEMENT AUX CAPTEURS DE DEPLACEMENT, NOTAMMENT POUR UN MOTEUR A COMBUSTION INTERNE.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2918961A DE2918961C2 (de) | 1979-05-11 | 1979-05-11 | Auswerteschaltung für einen induktiven Kurzschlußring-Weggeber |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2456308A1 true FR2456308A1 (fr) | 1980-12-05 |
FR2456308B3 FR2456308B3 (fr) | 1982-03-12 |
Family
ID=6070457
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8009864A Granted FR2456308A1 (fr) | 1979-05-11 | 1980-04-30 | Montage d'exploitation pour capteur de deplacement inductif a anneau en court-circuit |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2918961C2 (fr) |
FR (1) | FR2456308A1 (fr) |
IT (1) | IT1130421B (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3138538A1 (de) * | 1981-09-28 | 1983-04-07 | Robert Bosch Gmbh, 7000 Stuttgart | Bremsenpruefstand |
DE3714993A1 (de) * | 1987-05-06 | 1988-11-17 | Wabco Westinghouse Fahrzeug | Auswerteschaltung fuer einen induktiven sensor |
DE4120861C2 (de) * | 1991-06-25 | 2001-02-22 | Mannesmann Vdo Ag | Stellweg-Meßeinrichtung |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1201573B (de) * | 1961-02-03 | 1965-09-23 | Licentia Gmbh | Induktiver Grenzwertabgriff fuer Messinstrumente |
DE1262622B (de) * | 1961-03-23 | 1968-03-07 | Licentia Gmbh | Anordnung zur Veraenderung der Schalthysterese eines induktiven Abgriffes |
DE1903051B2 (de) * | 1969-01-22 | 1972-05-18 | Perthen, Johannes, Dr.-Ing., 3000 Hannover | Elktronisches laengenmessgeraet |
-
1979
- 1979-05-11 DE DE2918961A patent/DE2918961C2/de not_active Expired
-
1980
- 1980-04-30 FR FR8009864A patent/FR2456308A1/fr active Granted
- 1980-05-09 IT IT21970/80A patent/IT1130421B/it active
Also Published As
Publication number | Publication date |
---|---|
DE2918961A1 (de) | 1980-11-20 |
IT8021970A0 (it) | 1980-05-09 |
IT1130421B (it) | 1986-06-11 |
DE2918961C2 (de) | 1987-04-30 |
FR2456308B3 (fr) | 1982-03-12 |
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