DK3245483T3 - Induktive bevægelsessensorer - Google Patents

Induktive bevægelsessensorer Download PDF

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Publication number
DK3245483T3
DK3245483T3 DK16702184.9T DK16702184T DK3245483T3 DK 3245483 T3 DK3245483 T3 DK 3245483T3 DK 16702184 T DK16702184 T DK 16702184T DK 3245483 T3 DK3245483 T3 DK 3245483T3
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DK
Denmark
Prior art keywords
transducer
target
winding
sensor
secondary winding
Prior art date
Application number
DK16702184.9T
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English (en)
Inventor
Yohan Maniouloux
Pascal Regache
Original Assignee
Hutchinson
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
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Publication of DK3245483T3 publication Critical patent/DK3245483T3/da

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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
    • G01B7/003—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
    • 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
    • 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

Claims (13)

1. Transducer til en induktiv bevægelsessensor omfattende en transducer og et mål, der er egnet til at bevæge sig i overensstemmelse med en frihedsgrad i forhold til transduceren, idet transduceren har: mindst en primærvikling; og mindst en første sekundærvikling (213; 223; 233), der forløber i en zone med længden Dtot parallelt med frihedsgraden med 2N vindinger (213i+, 213i-) med skiftende viklingsretning, som hver især har en kant med en størrelse omtrent lig med Dtot/2N parallelt med frihedsgraden, regelmæssigt fordelt langs længden Dtot, hvor N er et helt tal større end eller lig med 2, i hvilken den mindst ene sekundærvikling (213; 223; 233) omfatter: et første slangeformet ledende afsnit (213A; 223A), som danner N halvvindinger, og som forløber mellem en første ende (El) af viklingen, placeret omtrent midt på længden Dtot, og et første mellempunkt (A) på viklingen, placeret ved en første ende af længden Dtot; et andet slangeformet ledende afsnit (213B; 223B), som danner N halvvindinger, som er komplementære til de N halvvindinger i det første afsnit (213A; 223A), og som forløber mellem det første punkt (A) og et andet mellempunkt (M) på viklingen, placeret omtrent ved midten af længden Dtot; et tredie slangeformet ledende afsnit (213C; 223C), som danner N halvvindinger, og som forløber mellem det andet punkt (M) og et tredie mellempunkt (B) på viklingen placeret ved en anden ende af længden Dtot; et fjerde ledende afsnit (213D; 223D), som danner N halvvindinger, som er komplementære til de N halvvindinger i det tredie afsnit (213C; 223C), og som forløber mellem det tredie punkt (B) og en anden ende (E2) af viklingen placeret omtrent ved midten af længden Dtot; og en første (PE1), en anden (PE2) og en tredie (PM) tilslutningsklemmer til sekundærviklingen, forbundet med henholdsvis den første (El) og den anden (E2) ende afviklingen og det andet mellempunkt (M) på viklingen.
2. Transducer ifølge krav 1, i hvilken det andet mellempunkt (M) tilordnes et elektrisk potential i differentialmåleindretningerne ved hjælp af den tredie klemme (PM).
3. Transducer ifølge krav 2, i hvilken det elektriske potential er et konstant potential og centreret på differentialmåleindretningernes spændingsmålingsområde.
4. Transducer ifølge krav 1, i hvilken frihedsgraden er en frihedsgrad til translation i en retlinet retning (x), og længden Dtot er en retlinet lineær længde.
5. Transducer ifølge krav 1, i hvilken frihedsgraden er en frihedsgrad til rotation om en akse, og i hvilken længden Dtot er en vinkellængde.
6. Transducer ifølge krav 5, i hvilken længden Dtot er lig med 360°.
7. Transducer ifølge et hvilket som helst af kravene 1 til 6, i hvilken hver halvvinding i sekundærviklingen (213; 223; 233) har form som et lige eller buet U, og i hvilken hver vinding i sekundærviklingen (213; 223; 233) består af to U-formede halvvindinger i særskilte ledende afsnit (213A, 213B, 213C, 213D; 223A, 223B, 223C, 223D), hvis lodrette grene er orienterede i modsatte retninger.
8. Transducer ifølge et hvilket som helst af kravene 1 til 7, i hvilken det for hver vinding i sekundærviklingen (213; 223; 233) gælder, at de vindingsafsnit, der er orthogonale på målets bevægelsesretning i forhold til transduceren, gennemløbes to gange af en tråd eller en lederbane i sekundærviklingen, og de vindingsafsnit, der er parallelle med målets bevægelsesretning i forhold til transduceren, gennemløbes en gang afen tråd eller en lederbane i sekundærviklingen.
9. Transducer ifølge et hvilket som helst af kravene 1 til 8, som desuden har mindst en anden sekundærvikling (223'; 233'), der i det væsentlige er identisk med den første sekundærvikling (223; 233) og set forfra forskudt i forhold til den første sekundærvikling, i hvilken den første (223; 233) og den anden (223'; 233') sekundærvikling er dannet i et første (Ml) og et andet (M2) overlejret metalliseringsniveau, således at længden af den lederbane afviklingen, der er anbragt i det første niveau (Ml), for hver sekundærvikling er omtrent lig med længden af den lederbane af viklingen, der er anbragt i det andet niveau (M2).
10. Transducer ifølge krav 9, i hvilken et skift af metalliseringsniveauet i hver af den første (223) og den anden (233) sekundærvikling foregår for hver L/2 meter lederbane, hvor L betegner længden en vinding afviklingen.
11. Transducer ifølge krav 9, i hvilken k skift af metalliseringsniveauet foregår for hver L/2 meter lederbane, hvor L betegner længden en vinding afviklingen, og k er et helt tal større end eller lig med 2.
12. Transducer ifølge et hvilket som helst af kravene 1 til 11, i hvilken N er en lige tal.
13. Transducer ifølge et hvilket som helst af kravene 1 til 12, i hvilken mindst en sekundærvikling (213; 223; 233) har udfyldningsmotiver, dvs. gennempletteringer og baner uden nyttesignalregistreringsfunktion.
DK16702184.9T 2015-01-13 2016-01-13 Induktive bevægelsessensorer DK3245483T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1550230A FR3031587B1 (fr) 2015-01-13 2015-01-13 Capteurs inductifs de deplacement
PCT/FR2016/050053 WO2016113499A1 (fr) 2015-01-13 2016-01-13 Capteurs inductifs de deplacement

Publications (1)

Publication Number Publication Date
DK3245483T3 true DK3245483T3 (da) 2019-03-25

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DK16702184.9T DK3245483T3 (da) 2015-01-13 2016-01-13 Induktive bevægelsessensorer

Country Status (14)

Country Link
US (1) US10564008B2 (da)
EP (1) EP3245483B1 (da)
JP (1) JP6835724B2 (da)
KR (1) KR102551009B1 (da)
CN (1) CN107407577B (da)
BR (1) BR112017014933B1 (da)
CA (1) CA2973050C (da)
DK (1) DK3245483T3 (da)
ES (1) ES2712964T3 (da)
FR (1) FR3031587B1 (da)
HK (1) HK1245389B (da)
MX (1) MX2017009156A (da)
PL (1) PL3245483T3 (da)
WO (1) WO2016113499A1 (da)

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Also Published As

Publication number Publication date
KR20170118723A (ko) 2017-10-25
BR112017014933B1 (pt) 2022-11-01
CN107407577A (zh) 2017-11-28
JP2018503823A (ja) 2018-02-08
CN107407577B (zh) 2019-11-12
CA2973050C (fr) 2023-02-21
CA2973050A1 (fr) 2016-07-21
US20180274947A1 (en) 2018-09-27
ES2712964T3 (es) 2019-05-16
EP3245483B1 (fr) 2018-12-05
FR3031587B1 (fr) 2018-11-16
US10564008B2 (en) 2020-02-18
HK1245389B (zh) 2019-12-13
PL3245483T3 (pl) 2019-05-31
BR112017014933A2 (pt) 2018-03-13
FR3031587A1 (fr) 2016-07-15
EP3245483A1 (fr) 2017-11-22
WO2016113499A1 (fr) 2016-07-21
KR102551009B1 (ko) 2023-07-04
JP6835724B2 (ja) 2021-02-24
MX2017009156A (es) 2018-02-12

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