TW202303098A - 磁性檢測裝置及絕對型編碼器 - Google Patents
磁性檢測裝置及絕對型編碼器 Download PDFInfo
- Publication number
- TW202303098A TW202303098A TW111106960A TW111106960A TW202303098A TW 202303098 A TW202303098 A TW 202303098A TW 111106960 A TW111106960 A TW 111106960A TW 111106960 A TW111106960 A TW 111106960A TW 202303098 A TW202303098 A TW 202303098A
- Authority
- TW
- Taiwan
- Prior art keywords
- gear
- magnet
- shaft
- absolute encoder
- counter
- Prior art date
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 44
- 230000004907 flux Effects 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims description 29
- 230000000694 effects Effects 0.000 abstract description 4
- 230000005389 magnetism Effects 0.000 abstract description 2
- 230000002093 peripheral effect Effects 0.000 description 128
- 239000000758 substrate Substances 0.000 description 44
- 239000011347 resin Substances 0.000 description 22
- 229920005989 resin Polymers 0.000 description 22
- 239000000463 material Substances 0.000 description 18
- 230000008859 change Effects 0.000 description 12
- 239000000696 magnetic material Substances 0.000 description 11
- 238000003825 pressing Methods 0.000 description 11
- 238000012545 processing Methods 0.000 description 11
- 230000009467 reduction Effects 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229930182556 Polyacetal Natural products 0.000 description 5
- 230000002457 bidirectional effect Effects 0.000 description 5
- 229920006324 polyoxymethylene Polymers 0.000 description 5
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 3
- 229910052779 Neodymium Inorganic materials 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 229910052796 boron Inorganic materials 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000005415 magnetization Effects 0.000 description 3
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 3
- 230000003746 surface roughness Effects 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007175 bidirectional communication Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 235000012149 noodles Nutrition 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000012763 reinforcing filler Substances 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
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Images
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
- G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
-
- 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
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/30—Supports specially adapted for an instrument; Supports specially adapted for a set of instruments
-
- 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
- G01D2205/20—Detecting rotary movement
- G01D2205/28—The target being driven in rotation by additional gears
-
- 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
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021031227 | 2021-02-26 | ||
| JP2021-031227 | 2021-02-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW202303098A true TW202303098A (zh) | 2023-01-16 |
Family
ID=83049126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW111106960A TW202303098A (zh) | 2021-02-26 | 2022-02-25 | 磁性檢測裝置及絕對型編碼器 |
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)
| 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 |
Family Cites Families (8)
| 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 |
| WO2009033127A2 (en) * | 2007-09-07 | 2009-03-12 | Joral Devices, Llc | Rotary magnetic encoder assembly, chip and method |
| JP5489224B2 (ja) * | 2010-06-17 | 2014-05-14 | 株式会社デンソー | 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 |
| JP6260039B2 (ja) * | 2014-12-16 | 2018-01-17 | 日立オートモティブシステムズ株式会社 | 回転角検出装置およびパワーステアリング装置 |
| 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 |
| 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 |
| 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 |
| JP7377002B2 (ja) * | 2019-03-29 | 2023-11-09 | ミネベアミツミ株式会社 | アブソリュートエンコーダ |
-
2022
- 2022-02-24 EP EP22759734.1A patent/EP4300049A4/en active Pending
- 2022-02-24 CN CN202280016556.2A patent/CN117043553A/zh active Pending
- 2022-02-24 US US18/547,712 patent/US20240230309A9/en active Pending
- 2022-02-24 JP JP2023502492A patent/JPWO2022181699A1/ja active Pending
- 2022-02-24 WO PCT/JP2022/007639 patent/WO2022181699A1/ja not_active Ceased
- 2022-02-25 TW TW111106960A patent/TW202303098A/zh unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US20240230309A9 (en) | 2024-07-11 |
| CN117043553A (zh) | 2023-11-10 |
| 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 |
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