JP7209911B1 - 回転数検出器 - Google Patents

回転数検出器 Download PDF

Info

Publication number
JP7209911B1
JP7209911B1 JP2022562859A JP2022562859A JP7209911B1 JP 7209911 B1 JP7209911 B1 JP 7209911B1 JP 2022562859 A JP2022562859 A JP 2022562859A JP 2022562859 A JP2022562859 A JP 2022562859A JP 7209911 B1 JP7209911 B1 JP 7209911B1
Authority
JP
Japan
Prior art keywords
magnetic pole
pole portion
magnetic
speed detector
power generation
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.)
Active
Application number
JP2022562859A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2023223389A5 (https=
JPWO2023223389A1 (https=
Inventor
敏男 目片
武史 武舎
仁 長谷川
琢也 野口
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of JP7209911B1 publication Critical patent/JP7209911B1/ja
Publication of JPWO2023223389A1 publication Critical patent/JPWO2023223389A1/ja
Publication of JPWO2023223389A5 publication Critical patent/JPWO2023223389A5/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/4815—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals using a pulse wire sensor, e.g. Wiegand wire
    • 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
    • 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
    • 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
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • 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
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/487—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by rotating magnets

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
JP2022562859A 2022-05-16 2022-05-16 回転数検出器 Active JP7209911B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/020409 WO2023223389A1 (ja) 2022-05-16 2022-05-16 回転数検出器

Publications (3)

Publication Number Publication Date
JP7209911B1 true JP7209911B1 (ja) 2023-01-20
JPWO2023223389A1 JPWO2023223389A1 (https=) 2023-11-23
JPWO2023223389A5 JPWO2023223389A5 (https=) 2024-04-25

Family

ID=84974980

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022562859A Active JP7209911B1 (ja) 2022-05-16 2022-05-16 回転数検出器

Country Status (4)

Country Link
US (1) US12216138B2 (https=)
JP (1) JP7209911B1 (https=)
CN (1) CN118119825B (https=)
WO (1) WO2023223389A1 (https=)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5684717U (https=) * 1979-12-03 1981-07-08
JPS5978917U (ja) * 1982-11-17 1984-05-28 東京磁気印刷株式会社 磁気スケ−ル
JPH02243964A (ja) * 1988-11-18 1990-09-28 Mitsubishi Motors Corp 回転数センサ及び回転数センサを備えた電動モータ型アクチュエータ
JP2008185561A (ja) * 2007-01-31 2008-08-14 Sendai Nikon:Kk ロータリエンコーダ
US9803998B1 (en) * 2013-12-31 2017-10-31 Joral Llc Absolute position sensor with fine resolution
JP2018054489A (ja) * 2016-09-29 2018-04-05 株式会社ニコン エンコーダ装置、駆動装置、ステージ装置、ロボット装置、及びエンコーダ装置の取り付け方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB211086A (en) * 1922-11-06 1924-02-06 Arthur Macdonald Cox Improvements in and relating to electrically operated speedometers
US5004981A (en) 1988-11-18 1991-04-02 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Detector device for simultaneously detecting both the direction and number of rotations of rotating member
US8793085B2 (en) * 2011-08-19 2014-07-29 Allegro Microsystems, Llc Circuits and methods for automatically adjusting a magnetic field sensor in accordance with a speed of rotation sensed by the magnetic field sensor
DE112013002075T5 (de) * 2012-04-17 2015-01-22 Mitsubishi Electric Corp. Multirotations-Drehgeber
JP6020184B2 (ja) * 2013-01-15 2016-11-02 株式会社安川電機 モータ
JP6787345B2 (ja) 2016-01-18 2020-11-18 株式会社ニコン エンコーダ装置、駆動装置、ステージ装置、及びロボット装置
JP7024207B2 (ja) 2017-04-28 2022-02-24 株式会社ニコン エンコーダ装置、駆動装置、ステージ装置、及びロボット装置
EP3553336B1 (en) * 2018-04-10 2021-03-31 Aktiebolaget SKF Condition monitoring
JP7008149B2 (ja) * 2019-01-17 2022-01-25 キヤノン電子株式会社 磁気識別センサ

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5684717U (https=) * 1979-12-03 1981-07-08
JPS5978917U (ja) * 1982-11-17 1984-05-28 東京磁気印刷株式会社 磁気スケ−ル
JPH02243964A (ja) * 1988-11-18 1990-09-28 Mitsubishi Motors Corp 回転数センサ及び回転数センサを備えた電動モータ型アクチュエータ
JP2008185561A (ja) * 2007-01-31 2008-08-14 Sendai Nikon:Kk ロータリエンコーダ
US9803998B1 (en) * 2013-12-31 2017-10-31 Joral Llc Absolute position sensor with fine resolution
JP2018054489A (ja) * 2016-09-29 2018-04-05 株式会社ニコン エンコーダ装置、駆動装置、ステージ装置、ロボット装置、及びエンコーダ装置の取り付け方法

Also Published As

Publication number Publication date
CN118119825B (zh) 2024-10-25
US12216138B2 (en) 2025-02-04
US20240418740A1 (en) 2024-12-19
CN118119825A (zh) 2024-05-31
JPWO2023223389A1 (https=) 2023-11-23
WO2023223389A1 (ja) 2023-11-23

Similar Documents

Publication Publication Date Title
CN101999079B (zh) 具有铁磁元件的线性分段或转数计数器
KR101597639B1 (ko) 앱솔루트 인코더 장치 및 모터
US5663641A (en) Rotational speed detection unit
JP6020184B2 (ja) モータ
CN203562922U (zh) 无刷电机
JP4319153B2 (ja) 磁気センサ
JP6017323B2 (ja) 回転検出装置
JP6165480B2 (ja) Ｐｍ型ステッピングモータ
JP7209911B1 (ja) 回転数検出器
JP4452976B2 (ja) 磁気ゼネバ歯車機構
JP6054011B1 (ja) 磁気センサ及び回転装置
JP6332111B2 (ja) 磁気リング、および、この磁気リングを有する回転センサ
JP7825730B2 (ja) 発電素子、発電モジュール、回転数検出器及び発電機
WO2020195003A1 (ja) モータ
JP2007225536A (ja) 回転運動検出装置
CN108575104B (zh) 用于检测转子位置的装置以及包括该装置的电动机
CN105890833B (zh) 轴向通量聚焦型小直径低成本转矩传感器
JP5161505B2 (ja) 磁気センサ
KR101403460B1 (ko) 영구자석 전동기
JP3758174B2 (ja) 非接触型位置センサ
JP4543728B2 (ja) 磁気エンコーダ
JP2006010366A (ja) 回転検出装置
JP2021085876A (ja) 回転情報又は位置情報を記憶するためのセンサ要素
JP6881145B2 (ja) アキシャルギャップモータ
JP2007043814A (ja) 回転センサ内蔵モータ

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20221014

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20221014

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20221014

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20221213

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20230110

R150 Certificate of patent or registration of utility model

Ref document number: 7209911

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250