JP2005172656A - 回転角度検出装置 - Google Patents
回転角度検出装置 Download PDFInfo
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- JP2005172656A JP2005172656A JP2003414460A JP2003414460A JP2005172656A JP 2005172656 A JP2005172656 A JP 2005172656A JP 2003414460 A JP2003414460 A JP 2003414460A JP 2003414460 A JP2003414460 A JP 2003414460A JP 2005172656 A JP2005172656 A JP 2005172656A
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- Prior art keywords
- rotation angle
- detection
- magnets
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- pole
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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
- G01D5/02—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
-
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
【解決手段】ステアリングに連動して回転する第一及び第二の検出体12、13の中央に配置された磁石14、15の少なくとも一方を、上面と下面のN極とS極を逆方向に形成して回転角度検出装置を構成するものであり、上面のN極からの磁力線がこの下面のS極に、また、下面のN極からの磁力線がこの上面のS極に吸い込まれることにより、磁石の側面から側方へ延出入する磁力が弱くなり、複数の検出手段の間で磁力線の向きに及ぼし合う影響を軽減できるため、回転角度に誤差が生じ難く、検出精度が高い回転角度検出装置を得ることができる。
【選択図】図1
Description
図1は本発明の一実施の形態による回転角度検出装置の要部斜視図、図2は同断面図であり、同図において、1は外周に平歯車部1Aが形成された回転体で、この平歯車部1Aには各々歯数の異なる第一の検出体12及び第二の検出体13の平歯車部12A、13Aが噛合している。
1A、2A、3A、12A、13A 平歯車部
1B 係合部
2、12 第一の検出体
3、13 第二の検出体
4、5、14、15 磁石
6 配線基板
7、8 磁気検出素子
9 制御手段
12B、13B 凹部
12C、13C フック係止部
20 第一の検出手段
21 第二の検出手段
24、25 磁石固定体
24A、25A 上部押圧部
24B、25B フック部
24C、25C 側部押圧部
Claims (3)
- ステアリングに連動して回転する回転体と、この回転体の回転に連動して回転する複数の検出体と、上記複数の検出体の中央に配置された磁石及び上記磁石の上面に対向して配置された磁気検出素子によって形成され上記検出体の回転を検出信号として検出する複数の検出手段と、上記検出信号から上記回転体の回転角度を検出する制御手段からなり、上記検出手段の磁石の少なくとも一方の上面と下面左右のN極とS極を逆方向に形成した回転角度検出装置。
- 磁石を直方体形状とした請求項1記載の回転角度検出装置。
- 検出体の中央部に設けた凹部に磁石を収納すると共に、上記磁石の左右側面の略対角位置を凹部の側壁へ押圧付勢した請求項2記載の回転角度検出装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003414460A JP4413592B2 (ja) | 2003-12-12 | 2003-12-12 | 回転角度検出装置 |
US11/007,173 US7211999B2 (en) | 2003-12-12 | 2004-12-09 | Rotation angle detector |
GB0427125A GB2409903B (en) | 2003-12-12 | 2004-12-10 | Rotation angle detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003414460A JP4413592B2 (ja) | 2003-12-12 | 2003-12-12 | 回転角度検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005172656A true JP2005172656A (ja) | 2005-06-30 |
JP4413592B2 JP4413592B2 (ja) | 2010-02-10 |
Family
ID=34074798
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003414460A Expired - Fee Related JP4413592B2 (ja) | 2003-12-12 | 2003-12-12 | 回転角度検出装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7211999B2 (ja) |
JP (1) | JP4413592B2 (ja) |
GB (1) | GB2409903B (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100871123B1 (ko) | 2006-10-13 | 2008-11-28 | 대성전기공업 주식회사 | 차량용 다기능 스위치 |
JP2009236515A (ja) * | 2008-03-26 | 2009-10-15 | Panasonic Corp | 回転角度検出装置 |
JP2010008370A (ja) * | 2008-06-30 | 2010-01-14 | Hitachi Cable Ltd | 回転角度検出装置 |
JP2010122172A (ja) * | 2008-11-21 | 2010-06-03 | Hitachi Cable Ltd | 回転角度検出装置及び回転角度検出方法 |
KR20130105823A (ko) * | 2010-08-09 | 2013-09-26 | 발레오 샬터 운트 센소렌 게엠베아 | 토크 센서 및 회전각 센서를 포함하는 장치 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4002174B2 (ja) * | 2002-12-19 | 2007-10-31 | 矢崎総業株式会社 | 磁気式舵角検出装置 |
JP2007139741A (ja) * | 2005-10-20 | 2007-06-07 | Matsushita Electric Ind Co Ltd | 回転角度検出装置 |
JP5899412B2 (ja) * | 2011-12-09 | 2016-04-06 | パナソニックIpマネジメント株式会社 | 回転角度検出装置 |
US20130257419A1 (en) * | 2012-03-27 | 2013-10-03 | Be Aerospace, Inc. | Magnetic encoder system for aircraft seating actuator |
JP5766768B2 (ja) * | 2013-11-11 | 2015-08-19 | ファナック株式会社 | 磁気式角度検出器 |
US10955051B2 (en) * | 2017-07-18 | 2021-03-23 | Dura Operating, Llc | Actuator assembly for a transmission shifter |
Citations (12)
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JPH05199684A (ja) * | 1992-01-20 | 1993-08-06 | Fanuc Ltd | 同期機のロータとその製造方法 |
JPH07134047A (ja) * | 1993-11-11 | 1995-05-23 | Nikon Corp | 多回転エンコーダ |
JPH07190803A (ja) * | 1993-12-27 | 1995-07-28 | Tokyo Cosmos Electric Co Ltd | 磁気的角度センサ |
JPH07220679A (ja) * | 1994-01-24 | 1995-08-18 | Philips Electron Nv | 高圧放電ランプ |
JPH08280163A (ja) * | 1995-04-10 | 1996-10-22 | Hitachi Ltd | 永久磁石界磁形直流電動機 |
JPH11500828A (ja) * | 1995-02-28 | 1999-01-19 | 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 | 回転体における角度測定方法及び装置 |
JPH11201828A (ja) * | 1998-01-09 | 1999-07-30 | Sanyo Electric Co Ltd | 温度計 |
JP2002522760A (ja) * | 1998-08-07 | 2002-07-23 | 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 | 回転角及び/又はトルクの検出のためのセンサ装置 |
JP2002213910A (ja) * | 2001-01-23 | 2002-07-31 | Matsushita Electric Ind Co Ltd | 回転角度検出装置 |
JP2003148949A (ja) * | 2001-11-15 | 2003-05-21 | Matsushita Electric Ind Co Ltd | 回転角度検出装置 |
JP2003189546A (ja) * | 2001-12-21 | 2003-07-04 | Hitachi Ltd | 出力回転軸の位置を切り換えるための制御装置モジュール及びそれを用いた自動車の駆動状態を切り換える為の制御装置 |
JP2003315093A (ja) * | 2002-04-17 | 2003-11-06 | Yazaki Corp | 回転角度検出装置及び検出方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62159772A (ja) | 1986-01-08 | 1987-07-15 | Hitachi Ltd | 回転信号検出装置 |
DE3765010D1 (de) | 1986-05-28 | 1990-10-25 | Siemens Ag | Absolute winkelmessvorrichtung. |
JP3309594B2 (ja) * | 1994-11-04 | 2002-07-29 | 日本精工株式会社 | 回転速度検出装置付転がり軸受ユニット |
US5781005A (en) * | 1995-06-07 | 1998-07-14 | Allegro Microsystems, Inc. | Hall-effect ferromagnetic-article-proximity sensor |
US6131547A (en) | 1998-02-27 | 2000-10-17 | Cummins Engine Company, Inc. | Electronic engine speed and position apparatus for camshaft gear applications |
JPH11287608A (ja) | 1998-04-01 | 1999-10-19 | Tokai Rika Co Ltd | 車両用ステアリングセンサ |
-
2003
- 2003-12-12 JP JP2003414460A patent/JP4413592B2/ja not_active Expired - Fee Related
-
2004
- 2004-12-09 US US11/007,173 patent/US7211999B2/en active Active
- 2004-12-10 GB GB0427125A patent/GB2409903B/en not_active Expired - Fee Related
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05199684A (ja) * | 1992-01-20 | 1993-08-06 | Fanuc Ltd | 同期機のロータとその製造方法 |
JPH07134047A (ja) * | 1993-11-11 | 1995-05-23 | Nikon Corp | 多回転エンコーダ |
JPH07190803A (ja) * | 1993-12-27 | 1995-07-28 | Tokyo Cosmos Electric Co Ltd | 磁気的角度センサ |
JPH07220679A (ja) * | 1994-01-24 | 1995-08-18 | Philips Electron Nv | 高圧放電ランプ |
JPH11500828A (ja) * | 1995-02-28 | 1999-01-19 | 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 | 回転体における角度測定方法及び装置 |
JPH08280163A (ja) * | 1995-04-10 | 1996-10-22 | Hitachi Ltd | 永久磁石界磁形直流電動機 |
JPH11201828A (ja) * | 1998-01-09 | 1999-07-30 | Sanyo Electric Co Ltd | 温度計 |
JP2002522760A (ja) * | 1998-08-07 | 2002-07-23 | 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 | 回転角及び/又はトルクの検出のためのセンサ装置 |
JP2002213910A (ja) * | 2001-01-23 | 2002-07-31 | Matsushita Electric Ind Co Ltd | 回転角度検出装置 |
JP2003148949A (ja) * | 2001-11-15 | 2003-05-21 | Matsushita Electric Ind Co Ltd | 回転角度検出装置 |
JP2003189546A (ja) * | 2001-12-21 | 2003-07-04 | Hitachi Ltd | 出力回転軸の位置を切り換えるための制御装置モジュール及びそれを用いた自動車の駆動状態を切り換える為の制御装置 |
JP2003315093A (ja) * | 2002-04-17 | 2003-11-06 | Yazaki Corp | 回転角度検出装置及び検出方法 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100871123B1 (ko) | 2006-10-13 | 2008-11-28 | 대성전기공업 주식회사 | 차량용 다기능 스위치 |
JP2009236515A (ja) * | 2008-03-26 | 2009-10-15 | Panasonic Corp | 回転角度検出装置 |
JP2010008370A (ja) * | 2008-06-30 | 2010-01-14 | Hitachi Cable Ltd | 回転角度検出装置 |
JP2010122172A (ja) * | 2008-11-21 | 2010-06-03 | Hitachi Cable Ltd | 回転角度検出装置及び回転角度検出方法 |
KR20130105823A (ko) * | 2010-08-09 | 2013-09-26 | 발레오 샬터 운트 센소렌 게엠베아 | 토크 센서 및 회전각 센서를 포함하는 장치 |
KR101879002B1 (ko) * | 2010-08-09 | 2018-08-17 | 발레오 샬터 운트 센소렌 게엠베아 | 토크 센서 및 회전각 센서를 포함하는 장치 |
Also Published As
Publication number | Publication date |
---|---|
GB0427125D0 (en) | 2005-01-12 |
US20050127907A1 (en) | 2005-06-16 |
JP4413592B2 (ja) | 2010-02-10 |
GB2409903A (en) | 2005-07-13 |
US7211999B2 (en) | 2007-05-01 |
GB2409903B (en) | 2006-08-09 |
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