ES2043319T3 - Codificador de alta resolucion. - Google Patents

Codificador de alta resolucion.

Info

Publication number
ES2043319T3
ES2043319T3 ES90402517T ES90402517T ES2043319T3 ES 2043319 T3 ES2043319 T3 ES 2043319T3 ES 90402517 T ES90402517 T ES 90402517T ES 90402517 T ES90402517 T ES 90402517T ES 2043319 T3 ES2043319 T3 ES 2043319T3
Authority
ES
Spain
Prior art keywords
encoder
ppm
magnetize
relatively high
high resolution
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.)
Expired - Lifetime
Application number
ES90402517T
Other languages
English (en)
Inventor
Michael C Brauer
John A Santos
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTN SNR Roulements SA
Original Assignee
Societe Nouvelle de Roulements SNR SA
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 Societe Nouvelle de Roulements SNR SA filed Critical Societe Nouvelle de Roulements SNR SA
Application granted granted Critical
Publication of ES2043319T3 publication Critical patent/ES2043319T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • G01D5/14—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
    • G01D5/244—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
    • G01D5/245—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 using a variable number of pulses in a train
    • G01D5/2451—Incremental encoders
    • 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
    • G01D2205/80—Manufacturing details of magnetic targets for magnetic encoders
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49075—Electromagnet, transformer or inductor including permanent magnet or core

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)

Abstract

EL CODIFICADOR TIENE UN NUMERO RELATIVAMENTE ELEVADO DE PARES DE POLOS MAGNETICOS (PPM), DE LOS CUALES CADA UNO (22) TIENE UNA DENSIDAD DE FLUJO MAGNETICO OPTIMA, PARA UTILIZARSE EN APLICACIONES QUE PRECISEN UN NIVEL DE RESOLUCION RELATIVAMENTE ELEVADO, POR EJEMPLO EN UN CONJUNTO DETECTOR. EL PROCEDIMIENTO PARA MAGNETIZAR EL CODIFICADOR COMPRENDE LAS ETAPAS SIGUIENTES: (A) DETERMINAR EL NUMERO DE (PPM) NECESARIO PARA OBTENER EL NIVEL DE RESOLUCION ADECUADA Y ESCOGER UNA CONFIGURACION DE CONJUNTO PARA LA APLICACION ESPECIFICA; (B) DETERMINAR EL ENTREHIERRO MAXIMO APROPIADO PARA ESTA CONFIGURACION DE CONJUNTO; (C) DETERMNINAR, PARA CADA (PPM) UNA DENSIDAD DE FLUJO MAGNETICO DE UMBRAL PARA LA QUE EL SENSOR SERA SENSIBLE EN LAS CONDICIONES DE ENTREHIERRO MAXIMO; (D) SELECCIONAR UN GRUPO DE MATERIALES QUE PERMITAN FABRICAR EL CODIFICADOR SEGUN LAS CONDICIONES REQUERIDAS; (E) ESCOGER EL MATERIAL OPTIMO DE ENTRE LOS DEL GRUPO; Y (F) MAGNETIZAR UN CODIFICADOR FABRICADO CON EL MATERIAL ESCOGIDO DE ACUERDO CON LAS CONDICIONES REQUERIDAS.
ES90402517T 1989-09-18 1990-09-12 Codificador de alta resolucion. Expired - Lifetime ES2043319T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/408,592 US4987415A (en) 1989-09-18 1989-09-18 High resolution encoder

Publications (1)

Publication Number Publication Date
ES2043319T3 true ES2043319T3 (es) 1993-12-16

Family

ID=23616914

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90402517T Expired - Lifetime ES2043319T3 (es) 1989-09-18 1990-09-12 Codificador de alta resolucion.

Country Status (11)

Country Link
US (1) US4987415A (es)
EP (1) EP0421835B1 (es)
JP (1) JPH0769188B2 (es)
KR (1) KR930011887B1 (es)
CN (1) CN1019409B (es)
AR (1) AR245531A1 (es)
AU (1) AU621005B2 (es)
BR (1) BR9004630A (es)
DE (1) DE69002433T2 (es)
ES (1) ES2043319T3 (es)
FR (1) FR2665278B1 (es)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT399785B (de) * 1991-05-06 1995-07-25 Hoerbiger Fluidtechnik Gmbh Gleichlaufmesseinrichtung
DE4121724A1 (de) * 1991-07-01 1993-01-07 Schaeffler Waelzlager Kg Verfahren zur herstellung eines impulsgebers
FR2683900A1 (fr) * 1991-11-15 1993-05-21 Heidelberger Druckmasch Ag Dispositif de detection d'au moins une variable d'etat d'un corps rotatif.
US5300883A (en) * 1992-06-30 1994-04-05 North American Philips Corporation Position sensor with variably coupled magnetic field conducting means
JP3189464B2 (ja) * 1993-02-19 2001-07-16 株式会社デンソー 回転位置検出装置
DE4442371A1 (de) * 1994-11-29 1996-05-30 Heidenhain Gmbh Dr Johannes Maßverkörperung
DE19533120A1 (de) * 1995-09-07 1997-03-13 Interelectric Ag Magnetischer Positionsgeber
DE19754524A1 (de) * 1997-12-09 1999-06-10 Mannesmann Vdo Ag Wegsensor
FR2790800B1 (fr) * 1999-03-10 2001-04-20 Roulements Soc Nouvelle Ensemble preassemble formant joint d'etancheite a codeur incorpore et roulement ou palier comportant un tel ensemble
JP4209607B2 (ja) * 2000-09-05 2009-01-14 Ｎｔｎ株式会社 着磁エンコーダの評価方法
WO2002103296A1 (fr) * 2001-06-19 2002-12-27 Koyo Seiko Co., Ltd. Element magnetique pour detecteur de revolutions
EP1447579B1 (en) * 2001-11-22 2012-03-28 Nsk Ltd. Sensor-equipped rolling bearing, and rotation state detecting device
FR2840123B1 (fr) * 2002-05-22 2004-08-27 Meritor Light Vehicle Sys Ltd Dispositif de motoreduction et connecteur de motoreducteur
JP2004257817A (ja) * 2003-02-25 2004-09-16 Ntn Corp 磁気エンコーダおよびそれを備えた車輪用軸受
JP2004340771A (ja) 2003-05-16 2004-12-02 Ntn Corp 磁気ゴムエンコーダ
US20080191691A1 (en) * 2007-02-13 2008-08-14 Baudendistel Thomas A Magnetic encoder assembly
AU2008246228A1 (en) * 2007-11-23 2009-06-11 Bobtail Technologies Pty Ltd Soil moisture sampling device
CN104113242B (zh) * 2013-06-18 2016-12-28 广东美的制冷设备有限公司 无位置传感器的直流风机的启动方法及直流风机控制器
DE102014019251A1 (de) * 2014-12-19 2016-06-23 Festo Ag & Co. Kg Magnetisch kodierter strangförmiger Maßkörper und damit ausgestattete Vorrichtung zur Positionserfassung und/oder Wegmessung
JP2020053515A (ja) * 2018-09-26 2020-04-02 日亜化学工業株式会社 多極ボンド磁石複合体の製造方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1326955A (fr) * 1962-06-28 1963-05-10 Siemens Ag Instrument de mesure des parcours, en particulier pour la commande de machines-outils
US3727302A (en) * 1970-08-03 1973-04-17 Phelon Co Inc Method of making an annular assembly of magnets for use as the field of a dynamoelectric machine
DE2933557C2 (de) * 1979-08-18 1982-11-04 Robert Bosch Gmbh, 7000 Stuttgart Meßumformer zur berührungslosen Weg- oder Geschwindigkeitsmessung
JPS5832233A (ja) * 1981-08-21 1983-02-25 Hitachi Ltd 磁気記録体
JPS58154614A (ja) * 1982-03-10 1983-09-14 Hitachi Ltd 磁気式ロ−タリエンコ−ダ
JPS58198760A (ja) * 1982-05-14 1983-11-18 Dai Ichi Seiko Co Ltd 信号発生器
JPS60192214A (ja) * 1984-03-14 1985-09-30 Hitachi Ltd 近似正弦波エンコ−ダ
US4897914A (en) * 1984-09-20 1990-02-06 Loubier Robert J Method of making a magnetic-encoding device having hall effect devices
JPS60115813A (ja) * 1984-11-01 1985-06-22 Shin Kobe Electric Mach Co Ltd 液面・比重検出装置
US4746862A (en) * 1985-05-14 1988-05-24 Victor Company Of Japan Ltd. Apparatus for detecting both rotational speed and reference rotational angle of a rotary member
US4899145A (en) * 1985-07-03 1990-02-06 Shin Meiwa Industry Co., Ltd. Encoder and method of adjusting magnetic fields of the same
FR2599794B1 (fr) * 1986-06-10 1991-06-07 Roulements Soc Nouvelle Palier ou roulement a capteur d'informations
JPS63188826A (ja) * 1987-01-30 1988-08-04 Hitachi Metals Ltd 磁気記録媒体
JPS63228707A (ja) * 1987-03-18 1988-09-22 Sumitomo Bakelite Co Ltd 異方性多極プラスチツク磁石の製造方法
US4789826A (en) * 1987-03-19 1988-12-06 Ampex Corporation System for sensing the angular position of a rotatable member using a hall effect transducer
JPH01117715A (ja) * 1987-10-28 1989-05-10 Iseki & Co Ltd 注油装置における配管装置
AU605882B2 (en) * 1987-11-13 1991-01-24 Torrington Company, The Bearing with a magnetic field detector

Also Published As

Publication number Publication date
BR9004630A (pt) 1991-09-10
KR910006632A (ko) 1991-04-29
AU621005B2 (en) 1992-02-27
JPH0769188B2 (ja) 1995-07-26
CN1050432A (zh) 1991-04-03
EP0421835B1 (fr) 1993-07-28
AR245531A1 (es) 1994-01-31
DE69002433T2 (de) 1993-11-18
US4987415A (en) 1991-01-22
CN1019409B (zh) 1992-12-09
AU6098490A (en) 1991-04-11
FR2665278B1 (fr) 1992-12-04
DE69002433D1 (de) 1993-09-02
EP0421835A1 (fr) 1991-04-10
FR2665278A1 (fr) 1992-01-31
JPH03130615A (ja) 1991-06-04
KR930011887B1 (ko) 1993-12-22

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