KR101868365B1 - 스트로크 검출 장치 - Google Patents

스트로크 검출 장치 Download PDF

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Publication number
KR101868365B1
KR101868365B1 KR1020177014836A KR20177014836A KR101868365B1 KR 101868365 B1 KR101868365 B1 KR 101868365B1 KR 1020177014836 A KR1020177014836 A KR 1020177014836A KR 20177014836 A KR20177014836 A KR 20177014836A KR 101868365 B1 KR101868365 B1 KR 101868365B1
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KR
South Korea
Prior art keywords
scale
sensor
piston rod
output
stroke
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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
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KR1020177014836A
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English (en)
Korean (ko)
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KR20170076777A (ko
Inventor
가츠미치 스기하라
Original Assignee
케이와이비 가부시키가이샤
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    • 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
    • G01D5/24428—Error prevention
    • G01D5/24433—Error prevention by mechanical means
    • G01D5/24438—Special design of the sensing element or scale
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/28—Means for indicating the position, e.g. end of stroke
    • F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
    • F15B15/2846—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using detection of markings, e.g. markings on the piston rod
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/28—Means for indicating the position, e.g. end of stroke
    • F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
    • F15B15/2861—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using magnetic means
    • 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
    • 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
    • G01D5/142—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 using Hall-effect devices
    • G01D5/145—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 using Hall-effect devices influenced by the relative movement between the Hall device and magnetic fields
    • 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
    • G01D5/142—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 using Hall-effect devices
    • G01D5/147—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 using Hall-effect devices influenced by the movement of a third element, the position of Hall device and the source of magnetic field being fixed in respect to each other
    • 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
    • G01D5/24471—Error correction
    • G01D5/24476—Signal processing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members
    • 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
    • G01D2205/00—Indexing scheme relating to details of means for transferring or converting the output of a sensing member
    • G01D2205/70—Position sensors comprising a moving target with particular shapes, e.g. of soft magnetic targets
    • G01D2205/77—Specific profiles

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Actuator (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
KR1020177014836A 2014-12-05 2015-11-24 스트로크 검출 장치 Expired - Fee Related KR101868365B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2014246822A JP6043333B2 (ja) 2014-12-05 2014-12-05 ストローク検出装置
JPJP-P-2014-246822 2014-12-05
PCT/JP2015/082935 WO2016088605A1 (ja) 2014-12-05 2015-11-24 ストローク検出装置

Publications (2)

Publication Number Publication Date
KR20170076777A KR20170076777A (ko) 2017-07-04
KR101868365B1 true KR101868365B1 (ko) 2018-06-19

Family

ID=56091554

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020177014836A Expired - Fee Related KR101868365B1 (ko) 2014-12-05 2015-11-24 스트로크 검출 장치

Country Status (6)

Country Link
US (1) US20180136014A1 (https=)
EP (1) EP3228992A4 (https=)
JP (1) JP6043333B2 (https=)
KR (1) KR101868365B1 (https=)
CN (1) CN107003147A (https=)
WO (1) WO2016088605A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6857579B2 (ja) * 2017-09-11 2021-04-14 Ｋｙｂ株式会社 変位検出装置及び変位検出装置の較正方法
JP7592775B2 (ja) * 2022-11-21 2024-12-02 Tdk株式会社 ストロークセンサとこれを備えたストロークセンサ組立体
DE102024207267A1 (de) * 2024-07-31 2026-02-05 Robert Bosch Gesellschaft mit beschränkter Haftung Steer-by-Wire-Lenksystem zur Positionsbestimmung einer Lenkstange

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08156796A (ja) * 1994-10-07 1996-06-18 Mitsubishi Electric Corp 遮断器の開閉速度測定装置
JPH11336713A (ja) * 1998-05-27 1999-12-07 Amitec:Kk シリンダ位置検出装置
JP2006183721A (ja) * 2004-12-27 2006-07-13 Kayaba Ind Co Ltd シリンダ位置検出装置、油空圧シリンダ
KR100776743B1 (ko) * 2006-11-20 2007-11-19 경남대학교 산학협력단 피스톤 로드의 변위 측정용 자기스케일 형성방법 및 변위검출방법
KR20090006190A (ko) * 2006-06-16 2009-01-14 가부시키가이샤 고마츠 세이사꾸쇼 실린더의 스트로크 위치 계측장치
JP2010145423A (ja) * 2010-03-15 2010-07-01 Amitec:Kk シリンダ位置検出装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5670876A (en) * 1995-11-14 1997-09-23 Fisher Controls International, Inc. Magnetic displacement sensor including first and second flux paths wherein the first path has a fixed reluctance and a sensor disposed therein
JP4740438B2 (ja) * 1999-12-17 2011-08-03 株式会社アミテック シリンダ位置検出装置
US6690160B2 (en) * 2002-04-22 2004-02-10 Deere & Company Position sensing apparatus
JP4620447B2 (ja) * 2004-12-27 2011-01-26 カヤバ工業株式会社 シリンダ位置検出装置、油空圧シリンダ
US7280937B1 (en) * 2006-04-18 2007-10-09 Deere & Company System and method for detecting an axial position of a shaft
JP4842314B2 (ja) * 2008-11-07 2011-12-21 株式会社アミテック シリンダ位置検出装置
JP2010256122A (ja) * 2009-04-23 2010-11-11 Kayaba Ind Co Ltd シリンダのストロークセンサ

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08156796A (ja) * 1994-10-07 1996-06-18 Mitsubishi Electric Corp 遮断器の開閉速度測定装置
JPH11336713A (ja) * 1998-05-27 1999-12-07 Amitec:Kk シリンダ位置検出装置
JP2006183721A (ja) * 2004-12-27 2006-07-13 Kayaba Ind Co Ltd シリンダ位置検出装置、油空圧シリンダ
KR20090006190A (ko) * 2006-06-16 2009-01-14 가부시키가이샤 고마츠 세이사꾸쇼 실린더의 스트로크 위치 계측장치
KR100776743B1 (ko) * 2006-11-20 2007-11-19 경남대학교 산학협력단 피스톤 로드의 변위 측정용 자기스케일 형성방법 및 변위검출방법
JP2010145423A (ja) * 2010-03-15 2010-07-01 Amitec:Kk シリンダ位置検出装置

Also Published As

Publication number Publication date
JP6043333B2 (ja) 2016-12-14
CN107003147A (zh) 2017-08-01
KR20170076777A (ko) 2017-07-04
WO2016088605A1 (ja) 2016-06-09
JP2016109538A (ja) 2016-06-20
EP3228992A1 (en) 2017-10-11
US20180136014A1 (en) 2018-05-17
EP3228992A4 (en) 2018-07-11

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