CN117043553A - 磁检测装置以及绝对编码器 - Google Patents

磁检测装置以及绝对编码器 Download PDF

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Publication number
CN117043553A
CN117043553A CN202280016556.2A CN202280016556A CN117043553A CN 117043553 A CN117043553 A CN 117043553A CN 202280016556 A CN202280016556 A CN 202280016556A CN 117043553 A CN117043553 A CN 117043553A
Authority
CN
China
Prior art keywords
magnet
gear
shaft
intermediate gear
absolute encoder
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.)
Pending
Application number
CN202280016556.2A
Other languages
English (en)
Chinese (zh)
Inventor
长田靖夫
斋藤胜典
崎枝健
佐藤德和
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.)
MinebeaMitsumi Inc
Original Assignee
MinebeaMitsumi Inc
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 MinebeaMitsumi Inc filed Critical MinebeaMitsumi Inc
Publication of CN117043553A publication Critical patent/CN117043553A/zh
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/30Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/12Mechanical 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
    • G01D5/14Mechanical 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
    • G01D5/142Mechanical 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
    • G01D5/145Mechanical 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D11/00Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/30Supports specially adapted for an instrument; Supports specially adapted for a set of instruments
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D2205/00Indexing scheme relating to details of means for transferring or converting the output of a sensing member
    • G01D2205/20Detecting rotary movement
    • G01D2205/28The target being driven in rotation by additional gears
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D2205/00Indexing scheme relating to details of means for transferring or converting the output of a sensing member
    • G01D2205/40Position sensors comprising arrangements for concentrating or redirecting magnetic flux

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
CN202280016556.2A 2021-02-26 2022-02-24 磁检测装置以及绝对编码器 Pending CN117043553A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021031227 2021-02-26
JP2021-031227 2021-02-26
PCT/JP2022/007639 WO2022181699A1 (ja) 2021-02-26 2022-02-24 磁気検出装置及びアブソリュートエンコーダ

Publications (1)

Publication Number Publication Date
CN117043553A true CN117043553A (zh) 2023-11-10

Family

ID=83049126

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280016556.2A Pending CN117043553A (zh) 2021-02-26 2022-02-24 磁检测装置以及绝对编码器

Country Status (6)

Country Link
US (1) US20240230309A9 (https=)
EP (1) EP4300049A4 (https=)
JP (1) JPWO2022181699A1 (https=)
CN (1) CN117043553A (https=)
TW (1) TW202303098A (https=)
WO (1) WO2022181699A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7316075B2 (ja) * 2019-03-28 2023-07-27 ミネベアミツミ株式会社 アブソリュートエンコーダ

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090072816A1 (en) * 2007-09-07 2009-03-19 Schrubbe Carl D Rotary Magnetic Encoder Assembly, Chip and Method
JP2012005260A (ja) * 2010-06-17 2012-01-05 Denso Corp モータ、および、それを用いた電動パワーステアリング装置
CN107003153A (zh) * 2014-12-16 2017-08-01 日立汽车系统株式会社 旋转角检测装置和动力转向装置
JP2019180201A (ja) * 2018-03-30 2019-10-17 日本電産株式会社 モータ及び送風装置
WO2020203474A1 (ja) * 2019-03-29 2020-10-08 ミネベアミツミ株式会社 アブソリュートエンコーダ

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0628649Y2 (ja) * 1988-01-12 1994-08-03 株式会社リコー ロータリエンコーダを用いたリニアセンサ
JP6829663B2 (ja) 2017-07-04 2021-02-10 ミネベアミツミ株式会社 アブソリュートエンコーダ
JP7277190B2 (ja) * 2019-03-19 2023-05-18 ミネベアミツミ株式会社 アブソリュートエンコーダ

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090072816A1 (en) * 2007-09-07 2009-03-19 Schrubbe Carl D Rotary Magnetic Encoder Assembly, Chip and Method
JP2012005260A (ja) * 2010-06-17 2012-01-05 Denso Corp モータ、および、それを用いた電動パワーステアリング装置
CN107003153A (zh) * 2014-12-16 2017-08-01 日立汽车系统株式会社 旋转角检测装置和动力转向装置
JP2019180201A (ja) * 2018-03-30 2019-10-17 日本電産株式会社 モータ及び送風装置
WO2020203474A1 (ja) * 2019-03-29 2020-10-08 ミネベアミツミ株式会社 アブソリュートエンコーダ

Also Published As

Publication number Publication date
US20240230309A9 (en) 2024-07-11
EP4300049A1 (en) 2024-01-03
US20240133670A1 (en) 2024-04-25
JPWO2022181699A1 (https=) 2022-09-01
EP4300049A4 (en) 2025-02-26
WO2022181699A1 (ja) 2022-09-01
TW202303098A (zh) 2023-01-16

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