DK3245484T3 - Induktive bevægelsessensorer - Google Patents

Induktive bevægelsessensorer Download PDF

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Publication number
DK3245484T3
DK3245484T3 DK16702185.6T DK16702185T DK3245484T3 DK 3245484 T3 DK3245484 T3 DK 3245484T3 DK 16702185 T DK16702185 T DK 16702185T DK 3245484 T3 DK3245484 T3 DK 3245484T3
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DK
Denmark
Prior art keywords
target
transducer
sensor
winding
patterns
Prior art date
Application number
DK16702185.6T
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English (en)
Inventor
Yohan Maniouloux
Gor Lebedev
Original Assignee
Hutchinson
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Publication of DK3245484T3 publication Critical patent/DK3245484T3/da

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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
    • G01D5/204—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 mutual induction between two or more coils
    • G01D5/2053—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 mutual induction between two or more coils by a movable non-ferromagnetic conductive element
    • 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
    • G01B7/003—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring position, not involving coordinate determination
    • 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
    • G01D5/204—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 mutual induction between two or more coils
    • G01D5/2046—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 mutual induction between two or more 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
    • G01P3/49—Devices characterised by the use of electric or magnetic means for measuring angular speed using eddy currents
    • 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
    • G01P3/50—Devices characterised by the use of electric or magnetic means for measuring linear speed
    • G01P3/505—Devices characterised by the use of electric or magnetic means for measuring linear speed by using eddy currents

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)

Claims (17)

1. Mål for en induktiv bevægelsessensor, omfattende en flerhed af ledningsmønstre (127; 137; 147) fordelt langs en zone med en dimension D,o, i en retning, idet mønstrene (127; 137; 147) er defineret ved overlejringen af mindst et første sæt af periodiske grundmønstre med en periode der er omtrent lig med D,o,/N, omfattende N første ledningsgrundmønstre (129^ 139j; 149j) med en dimension, der er omtrent lig med D,0,/2N i denne retning, fordelt regelmæssigt langs zonen, og af et andet sæt af periodiske grundmønstre med en periode, der er omtrent lig med Dt0,/(N+r), omfattende N+r anden grundmønstre (131k; 141k; 151 k) med en dimension, der er omtrent lig med D,0,/2(N+r) i denne retning, fordelt regelmæssigt langs zonen, hvor N er et heltal der er større end eller lig med 2, og r er et positivt heltal, der er forskelligt fra nul og mindre end eller lig med N-1, hvor de første og anden ledningsgrundmønstre overlapper i det mindste delvist.
2. Mål ifølge krav 1, hvor det første (129,; 139,; 149j) og det andet (131 k; 141 k; 151 k) ledningsgrundmønster har form af dele af det respektive overliggende første og andet bånd (130; 138, 142; 148, 152, 154) parallelt med denne retning.
3. Mål ifølge krav 2, hvor det første og det andet bånd (130) har omtrent den samme bredde.
4. Mål ifølge krav 2, hvor det første og det andet bånd (138, 142; 148, 152, 154) har forskellige bredder, idet det første bånd er mindst dobbelt så bredt som det andet bånd.
5. Mål ifølge et hvilket som helst af kravene 1 til 4, hvor N er et lige tal.
6. Mål ifølge et hvilket som helst af kravene 1 til 5, hvor mønstrene (147) er defineret ved overlejringen af det første og det andet sæt af periodiske grundmønstre, og et tredje sæt af periodiske grundmønstre med en periode, der er omtrent lig med Dt0,/(N+r), omfattende N+r tredje grundmønstre (153k) med en dimension, der er omtrent lig med D,0,/2(N+r) i denne retning, fordelt regelmæssigt langs zonen med en forskydning på omtrent D,0,/2(N+r) i forhold til grundmønstrene (151 k) fra det andet sæt af periodiske mønstre, idet de første 149j) og tredje (153k) ledningsgrundmønstre overlapper i det mindste delvist.
7. Mål ifølge krav 6, hvor de første (149j), anden (151 k) og tredje (153k) grundmønstre har form af dele af henholdsvis første, anden og tredje bånd som er parallelle med denne retning, idet det første og andet bånd, på den ene side, og det første og tredje bånd, på den anden side, ligger over hinanden, og idet det andet og tredje bånd har omtrent den samme bredde som er mindre end bredden på det første bånd.
8. Mål ifølge et hvilket som helst af kravene 1 til 7, hvor retningen er en cirkelformet retning.
9. Mål ifølge krav 8, hvor dimensionen D,o, er en vinkeldimension lig med 360°.
10. Mål ifølge et hvilket som helst af kravene 1 til 9, hvor r er lig med 1.
11. Transducer til en induktiv bevægelsessensor, omfattende: en primærvikling (211); et første sæt af mindst to sekundærviklinger (243), der hver omfatter N første vindinger med den samme viklingsretning eller 2N første vindinger med skiftende viklingsretninger, fordelt regelmæssigt langs en zone med en dimension D,o, i en retning, idet hver første vinding har en dimension i denne retning som er omtrent lig med D,0,/2N; og et andet sæt af mindst to sekundærviklinger (253), der hver omfatter N+r anden vindinger med den same viklingsretning eller 2(N+r) anden vindinger med skiftende viklingsretninger, fordelt regelmæssigt langs denne zone, idet hver vinding har en dimension i denne retning som er omtrent lig med Dt0,/2(N+r), hvor N er et heltal der er større end eller lig med 2, og r et et positivt heltal, der er forskelligt fra nul og mindre end eller lig med N-1, hvor de første og anden vindinger overlapper i det mindste delvist.
12. Transducer ifølge krav 11, hvor den første og anden vinding har form af dele af henholdsvis de overliggende første og andet bånd som er parallelle i denne retning.
13. Transducer ifølge krav 11 eller 12, endvidere omfattende et tredje sæt af mindst to sekundærviklinger (255) der hver omfatter N+r tredje vindinger med de samme viklingsretninger eller 2(N+r) vindinger med skiftende viklingsretninger, fordelt regelmæssigt langs zonen med en forskydning på omtrent D,0,/2(N+r) i forhold til det andet sæt, idet hver tredje vinding har en dimension der er omtrent lig med D,0,/2(N+r) i denne retning, og de første og anden vindinger overlapper i det mindste delvist.
14. Transducer ifølge krav 13, hvor den første, anden og tredje vinding hårform af dele af henholdsvis det første, andet og tredje bånd parallelle med denne retning, idet det første og andet bånd ligger over hinanden og det første og tredje bånd ligger over hinanden.
15. Transducer ifølge krav 13 eller 14, hvor den anden (253) og tredje (255) sekundærvikling er serieforbundet.
16. Transducer ifølge krav 15, hvor et serieforbindelsespunkt af den anden (253) og tredje (255) sekundærvikling er forbundet med en elektrisk forbindelsesterminal.
17. Induktiv bevægelsessensor, omfattende en transducer ifølge et hvilket som helst af kravene 11 til 16 og et mål ifølge et hvilket som helst af kravene 1 til 10.
DK16702185.6T 2015-01-13 2016-01-13 Induktive bevægelsessensorer DK3245484T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1550231A FR3031588B1 (fr) 2015-01-13 2015-01-13 Capteurs inductifs de deplacement
PCT/FR2016/050054 WO2016113500A1 (fr) 2015-01-13 2016-01-13 Capteurs inductifs de deplacement

Publications (1)

Publication Number Publication Date
DK3245484T3 true DK3245484T3 (da) 2019-01-14

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DK16702185.6T DK3245484T3 (da) 2015-01-13 2016-01-13 Induktive bevægelsessensorer

Country Status (14)

Country Link
US (1) US10557727B2 (da)
EP (1) EP3245484B1 (da)
JP (1) JP6621829B2 (da)
KR (1) KR102551010B1 (da)
CN (1) CN107532924B (da)
BR (1) BR112017014935B1 (da)
CA (1) CA2973052C (da)
DK (1) DK3245484T3 (da)
ES (1) ES2702961T3 (da)
FR (1) FR3031588B1 (da)
HK (1) HK1245391B (da)
MX (1) MX2017009157A (da)
PL (1) PL3245484T3 (da)
WO (1) WO2016113500A1 (da)

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Also Published As

Publication number Publication date
EP3245484B1 (fr) 2018-09-26
KR20170118724A (ko) 2017-10-25
MX2017009157A (es) 2018-02-12
HK1245391B (zh) 2019-11-01
BR112017014935B1 (pt) 2022-11-08
US20180274948A1 (en) 2018-09-27
JP2018503822A (ja) 2018-02-08
ES2702961T3 (es) 2019-03-06
CA2973052A1 (fr) 2016-07-21
FR3031588B1 (fr) 2018-11-16
BR112017014935A2 (pt) 2018-03-13
US10557727B2 (en) 2020-02-11
EP3245484A1 (fr) 2017-11-22
KR102551010B1 (ko) 2023-07-04
CA2973052C (fr) 2022-08-02
PL3245484T3 (pl) 2019-09-30
CN107532924A (zh) 2018-01-02
FR3031588A1 (fr) 2016-07-15
WO2016113500A1 (fr) 2016-07-21
JP6621829B2 (ja) 2019-12-18
CN107532924B (zh) 2020-06-02

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