WO2008081533A1 - 磁気式位置センサ - Google Patents

磁気式位置センサ Download PDF

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Publication number
WO2008081533A1
WO2008081533A1 PCT/JP2006/326217 JP2006326217W WO2008081533A1 WO 2008081533 A1 WO2008081533 A1 WO 2008081533A1 JP 2006326217 W JP2006326217 W JP 2006326217W WO 2008081533 A1 WO2008081533 A1 WO 2008081533A1
Authority
WO
WIPO (PCT)
Prior art keywords
side cores
position sensor
magnet
detection
magnetic
Prior art date
Application number
PCT/JP2006/326217
Other languages
English (en)
French (fr)
Inventor
Ryuichi Nishiura
Hiroshi Nishizawa
Takaharu Ueda
Original Assignee
Mitsubishi Electric Corporation
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 Mitsubishi Electric Corporation filed Critical Mitsubishi Electric Corporation
Priority to US12/092,973 priority Critical patent/US20100219814A1/en
Priority to JP2007526090A priority patent/JP4824023B2/ja
Priority to PCT/JP2006/326217 priority patent/WO2008081533A1/ja
Priority to CN2006800448702A priority patent/CN101317072B/zh
Priority to EP06843595.7A priority patent/EP2105712B1/en
Priority to KR1020087010988A priority patent/KR100943797B1/ko
Publication of WO2008081533A1 publication Critical patent/WO2008081533A1/ja

Links

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/3492—Position or motion detectors or driving means for the detector
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • 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
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
    • G01R33/07—Hall effect devices
    • G01R33/072—Constructional adaptation of the sensor to specific applications
    • 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
    • G01D2205/40—Position sensors comprising arrangements for concentrating or redirecting magnetic flux

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

　磁気式位置センサにおいては、第１及び第２の検出側コアが検出ギャップを挟んで互いに並設されている。磁石ユニットは、測定対象物の変位に伴って第１及び第２の検出側コアに対して相対的に変位される。また、磁石ユニットは、原点ギャップを挟んで互いに並設された第１及び第２の磁石側コアと、原点ギャップを境とする２つの磁束ループを第１及び第２の検出側コアと第１及び第２の磁石側コアとの間に発生させる磁石とを有している。
PCT/JP2006/326217 2006-12-28 2006-12-28 磁気式位置センサ WO2008081533A1 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US12/092,973 US20100219814A1 (en) 2006-12-28 2006-12-28 Magnetic position sensor
JP2007526090A JP4824023B2 (ja) 2006-12-28 2006-12-28 磁気式位置センサ
PCT/JP2006/326217 WO2008081533A1 (ja) 2006-12-28 2006-12-28 磁気式位置センサ
CN2006800448702A CN101317072B (zh) 2006-12-28 2006-12-28 磁性位置传感器
EP06843595.7A EP2105712B1 (en) 2006-12-28 2006-12-28 Magnetic position sensor
KR1020087010988A KR100943797B1 (ko) 2006-12-28 2006-12-28 자기식 위치센서

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2006/326217 WO2008081533A1 (ja) 2006-12-28 2006-12-28 磁気式位置センサ

Publications (1)

Publication Number Publication Date
WO2008081533A1 true WO2008081533A1 (ja) 2008-07-10

Family

ID=39588224

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2006/326217 WO2008081533A1 (ja) 2006-12-28 2006-12-28 磁気式位置センサ

Country Status (6)

Country Link
US (1) US20100219814A1 (ja)
EP (1) EP2105712B1 (ja)
JP (1) JP4824023B2 (ja)
KR (1) KR100943797B1 (ja)
CN (1) CN101317072B (ja)
WO (1) WO2008081533A1 (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010013309A1 (ja) * 2008-07-29 2010-02-04 三菱電機株式会社 磁気式位置センサ
JP2012506553A (ja) * 2008-10-24 2012-03-15 ムービング マグネット テクノロジーズ 磁場方向の測定値とフラックスコレクタとを用いる磁気位置センサ
JP2013524252A (ja) * 2010-04-14 2013-06-17 ムービング マグネット テクノロジーズ 移動可能な強磁性要素を利用する改良された位置センサ
CN103630064A (zh) * 2012-08-22 2014-03-12 大银微系统股份有限公司 封闭式位置量测器的可动原点构造
JP2014506315A (ja) * 2011-01-07 2014-03-13 ボッシュ・レックスロス・デー．エス．アイ． 中立位置の検出部を備えた圧力調整装置
WO2015079625A1 (ja) * 2013-11-26 2015-06-04 パナソニックＩｐマネジメント株式会社 移動量検出器および移動量検出器を用いたブレーキペダルシステム

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130043111A1 (en) * 2011-08-15 2013-02-21 Honeywell International Inc. Circuit breaker position sensing and health monitoring system
US8749005B1 (en) * 2012-12-21 2014-06-10 Allegro Microsystems, Llc Magnetic field sensor and method of fabricating a magnetic field sensor having a plurality of vertical hall elements arranged in at least a portion of a polygonal shape
DE102014213869A1 (de) * 2014-07-16 2016-01-21 Continental Automotive Gmbh Sensorvorrichtung zum Bestimmen einer Verschiebung einer Welle
CN104655002B (zh) * 2015-02-13 2017-07-07 中国科学院武汉岩土力学研究所 一种岩石试件变形测量装置及径向轴向变形测试方法
WO2017099866A1 (en) * 2015-12-10 2017-06-15 Bourns, Inc. Long range magnetic proximity sensor
US11136083B2 (en) * 2016-09-20 2021-10-05 Shimano Inc. Bicycle telescopic apparatus
JP6782971B2 (ja) * 2016-12-16 2020-11-11 株式会社カワノラボ 磁場生成装置、測定セル、分析装置、及び粒子分離装置
CN108592778B (zh) * 2018-05-07 2020-09-01 重庆交通大学 一种基于电容变化的锚碇结构位移监测装置
CN108534687B (zh) * 2018-05-07 2019-12-27 重庆交通大学 一种基于光斑位移变化的锚碇结构位移监测装置
CN108534652B (zh) * 2018-05-07 2020-09-01 重庆交通大学 一种基于电感量变化的锚碇结构位移监测装置及方法
KR102531031B1 (ko) 2021-01-11 2023-05-10 충남대학교 산학협력단 자기변형원리를 이용한 초음파 방식의 위치 측정 장치 및 그의 측정 방법

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001197715A (ja) * 2000-01-13 2001-07-19 Mikuni Corp 弁駆動装置
JP2003139560A (ja) * 2001-10-30 2003-05-14 Mitsubishi Electric Corp 回転位置検出装置
JP2004177398A (ja) * 2002-09-30 2004-06-24 Japan Servo Co Ltd 磁気式リニアポジションセンサ

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5210493A (en) * 1992-02-27 1993-05-11 General Motors Corporation Method for embedding wires within a powder metal core and sensor assembly produced by such a method
FR2691534B1 (fr) * 1992-05-19 1994-08-26 Moving Magnet Tech Capteur de position à aimant permanent et sonde de hall.
DE4425904A1 (de) * 1994-07-21 1996-01-25 Vacuumschmelze Gmbh Magnetischer Wegsensor
JPH10239002A (ja) * 1997-02-24 1998-09-11 Zexel Corp 直線変位センサのコア構造およびその製造方法
FR2790549B1 (fr) * 1999-03-03 2001-04-13 Moving Magnet Tech Capteur de position a sonde magneto-sensible et aimant encastre dans le fer
EP1113253A4 (en) * 1999-06-21 2006-11-02 Furukawa Electric Co Ltd ROTARY SENSOR AND ASSOCIATED MEASUREMENT
JP4038308B2 (ja) * 1999-09-09 2008-01-23 株式会社ミクニ 非接触式ポジションセンサ
US6703829B2 (en) * 2001-09-07 2004-03-09 Jeff Tola Magnetic position sensor
JP4545406B2 (ja) * 2003-09-03 2010-09-15 三菱電機株式会社 位置検出装置
CN1731097A (zh) * 2005-07-01 2006-02-08 孙钢 无牵连霍尔线性位移传感器
FR2894023B1 (fr) * 2005-11-29 2008-02-22 Electricfil Automotive Soc Par Capteur magnetique de position pour un mobile ayant une course lineaire limitee
US20080094057A1 (en) * 2006-10-23 2008-04-24 Ascension Technology Corporation Position measurement system employing total transmitted flux quantization

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001197715A (ja) * 2000-01-13 2001-07-19 Mikuni Corp 弁駆動装置
JP2003139560A (ja) * 2001-10-30 2003-05-14 Mitsubishi Electric Corp 回転位置検出装置
JP2004177398A (ja) * 2002-09-30 2004-06-24 Japan Servo Co Ltd 磁気式リニアポジションセンサ

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2105712A4 *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010013309A1 (ja) * 2008-07-29 2010-02-04 三菱電機株式会社 磁気式位置センサ
EP2309229A1 (en) * 2008-07-29 2011-04-13 Mitsubishi Electric Corporation Magnetic position sensor
CN102084221A (zh) * 2008-07-29 2011-06-01 三菱电机株式会社 磁式位置传感器
EP2309229A4 (en) * 2008-07-29 2012-12-12 Mitsubishi Electric Corp MAGNETIC POSITION SENSOR
JP5138039B2 (ja) * 2008-07-29 2013-02-06 三菱電機株式会社 磁気式位置センサ
KR101235966B1 (ko) * 2008-07-29 2013-02-21 미쓰비시덴키 가부시키가이샤 자기식 위치센서
JP2012506553A (ja) * 2008-10-24 2012-03-15 ムービング マグネット テクノロジーズ 磁場方向の測定値とフラックスコレクタとを用いる磁気位置センサ
JP2013524252A (ja) * 2010-04-14 2013-06-17 ムービング マグネット テクノロジーズ 移動可能な強磁性要素を利用する改良された位置センサ
JP2014506315A (ja) * 2011-01-07 2014-03-13 ボッシュ・レックスロス・デー．エス．アイ． 中立位置の検出部を備えた圧力調整装置
CN103630064A (zh) * 2012-08-22 2014-03-12 大银微系统股份有限公司 封闭式位置量测器的可动原点构造
WO2015079625A1 (ja) * 2013-11-26 2015-06-04 パナソニックＩｐマネジメント株式会社 移動量検出器および移動量検出器を用いたブレーキペダルシステム

Also Published As

Publication number Publication date
EP2105712A4 (en) 2013-05-15
JPWO2008081533A1 (ja) 2010-04-30
CN101317072A (zh) 2008-12-03
EP2105712B1 (en) 2016-04-27
KR20080083622A (ko) 2008-09-18
JP4824023B2 (ja) 2011-11-24
US20100219814A1 (en) 2010-09-02
CN101317072B (zh) 2010-05-19
KR100943797B1 (ko) 2010-02-23
EP2105712A1 (en) 2009-09-30

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