JP2015219193A - 回転角度検出装置 - Google Patents
回転角度検出装置 Download PDFInfo
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- JP2015219193A JP2015219193A JP2014104691A JP2014104691A JP2015219193A JP 2015219193 A JP2015219193 A JP 2015219193A JP 2014104691 A JP2014104691 A JP 2014104691A JP 2014104691 A JP2014104691 A JP 2014104691A JP 2015219193 A JP2015219193 A JP 2015219193A
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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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/009—Electrical control of supply of combustible mixture or its constituents using means for generating position or synchronisation signals
-
- 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
- G01D5/02—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 mechanical means
- G01D5/04—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 mechanical means using levers; using cams; using gearing
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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
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Exhaust-Gas Circulating Devices (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
【解決手段】回転角度検出装置は、メインギヤ41に設けられた磁石46と、磁石46に対向配置された磁気検知器とを備える。メインギヤ41と一体に磁石46が回転し、磁石46の磁界変化が磁気検知器で検知されることでメインギヤ41の回転角度を検出する。メインギヤ41は有底の凹部41aとその周りの複数の取付ピン41cとを含む。磁石46は、凹部41aの上端から一部が突出するように凹部41aに挿入される。凹部41aに挿入された磁石46は、非磁性材よりなり弾性変形可能な押さえ板47によりメインギヤ41に押さえ付けられる。押さえ板47の外寄り部分47bには複数の取付孔47dが形成される。凹部41aに挿入された磁石46は弾性変形した押さえ板47によりメインギヤ41に押さえ付けられながら、各取付孔47dに挿入された各取付ピン41cが熱かしめされることにより、磁石46がメインギヤ41に固定される。
【選択図】 図9
Description
を趣旨とする。
以下、本発明の回転角検出装置を二重偏心弁を備えた排気還流弁(EGR弁)に具体化した第1実施形態につき図面を参照して詳細に説明する。
次に、本発明の回転角検出装置を二重偏心弁を備えたEGR弁に具体化した第2実施形態につき図面を参照して詳細に説明する。
次に、本発明の回転角検出装置を二重偏心弁を備えたEGR弁に具体化した第3実施形態につき図面を参照して詳細に説明する。
次に、本発明の回転角検出装置を二重偏心弁を備えたEGR弁に具体化した第4実施形態につき図面を参照して詳細に説明する。
次に、本発明の回転角検出装置を二重偏心弁を備えたEGR弁に具体化した第5実施形態につき図面を参照して詳細に説明する。
次に、本発明の回転角検出装置を二重偏心弁を備えたEGR弁に具体化した第6実施形態につき図面を参照して詳細に説明する。
41 メインギヤ(回転体)
41a 凹部
41c 取付ピン
41g 係止部
46 磁石
47 押さえ板
47a 中央部分
47b 外寄り部分
47d 取付孔
47e 翼部
47f 爪部
57 押さえ板
57a 中央部分
57b 外寄り部分
57c 中心孔
57d 取付孔
57e 翼部
57f 舌片
67 押さえ板
67a 中央部分
67b 外寄り部分
67c 中心孔
67d 取付孔
67e 翼部
67f 爪部
Claims (6)
- 回転体と、前記回転体に保持された磁石と、前記磁石に対向配置された磁気検知器とを備え、前記回転体と一体に前記磁石が回転し、前記磁石の磁界の変化を前記磁気検知器により検知することにより、前記回転体の回転角度を検出するように構成した回転角度検出装置であって、
前記回転体は、有底の凹部とその凹部の周りに配置された複数の取付ピンとを含むことと、
前記磁石が、前記凹部の上端から一部が突出するように前記凹部に挿入されることと、
前記凹部に挿入された前記磁石を、前記回転体に押さえ付けて保持するための非磁性材よりなる弾性変形可能な押さえ板と、
前記押さえ板は、中央部分と外寄り部分とを含み、前記外寄り部分に前記各取付ピンが挿入される複数の取付孔が形成されることと
を備え、前記凹部に挿入された前記磁石がその外縁にて弾性変形した前記押さえ板により前記回転体に押さえ付けられながら、前記各取付孔に挿入された前記各取付ピンが熱かしめされることにより、前記磁石が前記回転体に固定されることを特徴する回転角度検出装置。 - 前記押さえ板は、前記中央部分で前記磁石を押さえ、前記外寄り部分が前記各取付孔に対応して複数の翼部に分かれたことを特徴とする請求項1に記載の回転角度検出装置。
- 前記押さえ板は、前記回転体に前記磁石を押さえ付けた状態で前記磁石の側面を挟持するための弾性変形可能な複数の爪部を含むことを特徴とする請求項1又は2に記載の回転角度検出装置。
- 前記押さえ板は、少なくとも前記中央部分の表面に滑り止めが施されたことを特徴とする請求項1乃至3の何れかに記載の回転角度検出装置。
- 前記回転体には、前記押さえ板の前記外寄り部分の跳ね返りを規制するために、前記外寄り部分の外縁を係止する係止部が形成されたことを特徴とする請求項1乃至4の何れかに記載の回転角度検出装置。
- 前記押さえ板は、前記中央部分で前記磁石を押さえ、前記中央部分に中心孔が形成され、その中心孔の内周縁部分が複数の舌片に分割されたことを特徴とする請求項1に記載の回転角度検出装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2014104691A JP6371114B2 (ja) | 2014-05-20 | 2014-05-20 | 回転角度検出装置 |
US14/687,311 US9470553B2 (en) | 2014-05-20 | 2015-04-15 | Rotation angle detection apparatus |
DE102015209126.0A DE102015209126B4 (de) | 2014-05-20 | 2015-05-19 | Rotationswinkel-Detektierapparat |
CN201510259364.6A CN105180799B (zh) | 2014-05-20 | 2015-05-20 | 旋转角度检测装置 |
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JP2014104691A JP6371114B2 (ja) | 2014-05-20 | 2014-05-20 | 回転角度検出装置 |
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JP2015219193A true JP2015219193A (ja) | 2015-12-07 |
JP6371114B2 JP6371114B2 (ja) | 2018-08-08 |
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US (1) | US9470553B2 (ja) |
JP (1) | JP6371114B2 (ja) |
CN (1) | CN105180799B (ja) |
DE (1) | DE102015209126B4 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019109162A (ja) * | 2017-12-19 | 2019-07-04 | 日立金属株式会社 | リング状磁石組立体 |
JP2019113344A (ja) * | 2017-12-21 | 2019-07-11 | 愛三工業株式会社 | 回転角度検出装置 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017191037A (ja) * | 2016-04-14 | 2017-10-19 | Tdk株式会社 | 磁石構造体及び回転角度検出器 |
JP7272075B2 (ja) * | 2019-04-08 | 2023-05-12 | セイコーエプソン株式会社 | エンコーダー、モーター及びロボット |
DE102019113274A1 (de) * | 2019-05-20 | 2020-11-26 | HELLA GmbH & Co. KGaA | Elektromechanische Vorrichtung mit einem Stellantrieb und einem Stellglied |
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JPH02113166U (ja) * | 1989-02-23 | 1990-09-11 | ||
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2015
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Publication number | Priority date | Publication date | Assignee | Title |
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JP2019109162A (ja) * | 2017-12-19 | 2019-07-04 | 日立金属株式会社 | リング状磁石組立体 |
JP7061258B2 (ja) | 2017-12-19 | 2022-04-28 | 日立金属株式会社 | リング状磁石組立体 |
JP2019113344A (ja) * | 2017-12-21 | 2019-07-11 | 愛三工業株式会社 | 回転角度検出装置 |
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Publication number | Publication date |
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US20150338241A1 (en) | 2015-11-26 |
CN105180799B (zh) | 2018-08-03 |
CN105180799A (zh) | 2015-12-23 |
US9470553B2 (en) | 2016-10-18 |
JP6371114B2 (ja) | 2018-08-08 |
DE102015209126B4 (de) | 2022-09-22 |
DE102015209126A1 (de) | 2015-11-26 |
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