JP7191567B2 - 組み立て品 - Google Patents
組み立て品 Download PDFInfo
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- JP7191567B2 JP7191567B2 JP2018135008A JP2018135008A JP7191567B2 JP 7191567 B2 JP7191567 B2 JP 7191567B2 JP 2018135008 A JP2018135008 A JP 2018135008A JP 2018135008 A JP2018135008 A JP 2018135008A JP 7191567 B2 JP7191567 B2 JP 7191567B2
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- Japan
- Prior art keywords
- magnetic
- assembly according
- tracks
- encoder
- magnetic track
- Prior art date
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- 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
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- 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
- G01D5/24428—Error prevention
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- 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
- G01D5/2452—Incremental encoders incorporating two or more tracks having an (n, n+1, ...) relationship
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
- H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
好ましいことに、複数の高感度素子は、主面8a,8bと平行に広がるように配置されている。この構成によれば、エンコーダ1に対してセンサ4を取り付けるために、特に、小径筒状筐体内へのセンサ4の集積化を容易にすることができる。
2 第1の磁気トラック
3 第2の磁気トラック
4 センサ
5 高感度素子の第1の態様及び第2の態様
6 装置
Claims (9)
- 部材の位置を決定するためのシステムに含まれる部材の組み立て品において、
上記部材と共に回転するエンコーダ(1)であって、該エンコーダ(1)の動きを表す周期的な磁気信号を放射するように構成された第1の磁気トラック(2)及び第2の磁気トラック(3)を有するエンコーダ(1)と、
上記エンコーダの上記磁気トラック(2、3)からの上記磁気信号を検出するように構成され、上記磁気トラック(2、3)の位置を表す信号を生成するために上記磁気トラック(2、3)から読み取り距離を隔てて配置された2つの態様(5)の高感度素子、及び、上記部材の位置を決定するために上記2つの態様(5)の高感度素子からの上記信号を処理する装置(6)を有するセンサ(4)と、を備え、
第1の態様(5)の上記高感度素子は、検出された上記第2の磁気トラック(3)からの上記磁気信号に応じて抵抗値が変化する磁気抵抗材料をベースとしており、
上記第1の態様は、2N-1個の磁極対を有する上記第2の磁気トラック(3)から読み取り距離を隔てて配置される態様であり、
第2の態様(5)の上記高感度素子は、検出された上記第1の磁気トラック(2)からの上記磁気信号に応じて抵抗値が変化する異方性磁気抵抗材料をベースとしており、
上記第2の態様は、N個の磁極対を有する上記第1の磁気トラック(2)から読み取り距離を隔てて配置されている、
ことを特徴とする組み立て品。 - 上記第1の態様(5)の上記高感度素子は、上記第2の磁気トラック(3)からの上記磁気信号を検出する技術に関する性質が上記第2の態様(5)の高感度素子の磁気抵抗材料と異なる磁気抵抗材料をベースとしている、
ことを特徴とする請求項1に記載の組み立て品。 - 上記第2の態様(5)の上記高感度素子は、AMR型の磁気抵抗材料をベースとしている、
ことを特徴とする請求項1又は2に記載の組み立て品。 - 上記第1の態様(5)の上記高感度素子は、トンネル磁気抵抗材料、GMR、又はホールプローブをベースとしている、
ことを特徴とする請求項1~3の何れか1項に記載の組み立て品。 - 上記第1の態様(5)の上記高感度素子は、参照用の磁性層、分離層、及び高感度層を含む積層体を備えており、上記磁性層と上記高感度層との間の抵抗は、それらの磁化の相対的な向きに応じて決まる、
ことを特徴とする請求項4に記載の組み立て品。 - 上記エンコーダ(1)は、多磁極の上記磁気トラック(2、3)が実装された磁石により構成されている、
ことを特徴とする請求項1~5の何れか1項に記載の組み立て品。 - 上記磁気トラック(2、3)は、一周の全部又は一部の方位を決定するために、360°又は一周の一部に広がっている、
ことを特徴とする請求項1~6の何れか1項に記載の組み立て品。 - 上記センサ(4)は、2つの面(8a,8b)を有する電子基板(8)を備えており、上記2つの態様(5)の各々は、これら2つの面の各々に配置される態様である、
ことを特徴とする請求項1~7の何れか1項に記載の組み立て品。 - 上記2つの態様(5)の各々は、上記磁気トラック(2、3)の読み取り面(S)に直交する一般化面(P)内に上記高感度素子が広がるように配置される態様である、
ことを特徴とする請求項1~8の何れか1項に記載の組み立て品。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1756826 | 2017-07-18 | ||
FR1756826A FR3069319B1 (fr) | 2017-07-18 | 2017-07-18 | Systeme de determination de la position d'un organe |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019020418A JP2019020418A (ja) | 2019-02-07 |
JP7191567B2 true JP7191567B2 (ja) | 2022-12-19 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2018135008A Active JP7191567B2 (ja) | 2017-07-18 | 2018-07-18 | 組み立て品 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10859402B2 (ja) |
EP (1) | EP3431933B1 (ja) |
JP (1) | JP7191567B2 (ja) |
FR (1) | FR3069319B1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11301347B2 (en) * | 2016-10-31 | 2022-04-12 | Harman Becker Automotive Systems Gmbh | Software update mechanism for safety critical systems |
US11609106B2 (en) * | 2018-07-17 | 2023-03-21 | Mitsubishi Electric Corporation | Reflective optical encoder comprising a hub with an adhesive surface with a step structure |
DE102020118174A1 (de) * | 2020-07-09 | 2022-01-13 | Wittenstein Se | Gebersystem für einen Antrieb |
US11543267B2 (en) | 2021-01-05 | 2023-01-03 | Hiwin Mikrosystem Corp. | Position sensing mechanism |
TWI780559B (zh) * | 2021-01-05 | 2022-10-11 | 大銀微系統股份有限公司 | 位置感測機構 |
EP4187209A1 (en) * | 2021-11-25 | 2023-05-31 | Melexis Technologies SA | Position sensor with master and nonius tracks |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19818799A1 (de) | 1997-12-20 | 1999-06-24 | Daimler Chrysler Ag | Verfahren und Vorrichtung zum Messen von Winkeln |
JP2003516534A (ja) | 1999-12-06 | 2003-05-13 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | 回転体の角度および/または角速度および/またはこの回転体に作用するトルクを測定する装置 |
JP2008233069A (ja) | 2007-02-23 | 2008-10-02 | Ntn Corp | 回転検出装置および回転検出装置付き軸受 |
EP2966414A1 (fr) | 2014-07-07 | 2016-01-13 | NTN-SNR Roulements | Montage d'un système de détermination de position angulaire sur un organe tournant |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2792403B1 (fr) | 1999-04-14 | 2001-05-25 | Roulements Soc Nouvelle | Capteur de position et/ou de deplacement comportant une pluralite d'elements sensibles alignes |
DE10041096A1 (de) * | 2000-08-22 | 2002-03-07 | Bosch Gmbh Robert | Verfahren zur Korrektur von Winkelmessungen mittels wenigstens zweier Codespuren |
EP1353151A1 (fr) * | 2002-04-09 | 2003-10-15 | Snr Roulements | Capteur de position absolue à barrette d'éléments à effet hall |
FR2852400B1 (fr) | 2003-03-14 | 2005-06-24 | Capteur magnetoresistif comprenant un element sensible ferromagnetique/antiferromagnetique | |
DE102007011675A1 (de) * | 2006-12-22 | 2008-06-26 | Zf Lenksysteme Gmbh | Lenkwinkel- und Drehmomentsensor in einer Hilfskraftlenkung eines Kraftfahrzeugs |
JP5221494B2 (ja) | 2008-12-24 | 2013-06-26 | Ntn株式会社 | 回転検出装置および回転検出装置付き軸受 |
EP2602594B1 (en) | 2011-12-05 | 2018-02-07 | NTN-SNR Roulements | Sensor for measuring a periodic signal comprising several harmonics |
EP2602593B1 (en) | 2011-12-05 | 2017-07-05 | Sensitec GmbH | Sensor for measuring a periodic signal comprising several harmonics |
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2017
- 2017-07-18 FR FR1756826A patent/FR3069319B1/fr active Active
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2018
- 2018-07-18 US US16/038,797 patent/US10859402B2/en active Active
- 2018-07-18 JP JP2018135008A patent/JP7191567B2/ja active Active
- 2018-07-18 EP EP18184320.2A patent/EP3431933B1/fr active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19818799A1 (de) | 1997-12-20 | 1999-06-24 | Daimler Chrysler Ag | Verfahren und Vorrichtung zum Messen von Winkeln |
JP2003516534A (ja) | 1999-12-06 | 2003-05-13 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | 回転体の角度および/または角速度および/またはこの回転体に作用するトルクを測定する装置 |
JP2008233069A (ja) | 2007-02-23 | 2008-10-02 | Ntn Corp | 回転検出装置および回転検出装置付き軸受 |
EP2966414A1 (fr) | 2014-07-07 | 2016-01-13 | NTN-SNR Roulements | Montage d'un système de détermination de position angulaire sur un organe tournant |
Also Published As
Publication number | Publication date |
---|---|
EP3431933A1 (fr) | 2019-01-23 |
US10859402B2 (en) | 2020-12-08 |
EP3431933B1 (fr) | 2021-12-15 |
US20190025085A1 (en) | 2019-01-24 |
JP2019020418A (ja) | 2019-02-07 |
FR3069319A1 (fr) | 2019-01-25 |
FR3069319B1 (fr) | 2020-10-23 |
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