JP4965074B2 - 計測機能付きころがり軸受及びこれを備えた電動機 - Google Patents
計測機能付きころがり軸受及びこれを備えた電動機 Download PDFInfo
- Publication number
- JP4965074B2 JP4965074B2 JP2004518840A JP2004518840A JP4965074B2 JP 4965074 B2 JP4965074 B2 JP 4965074B2 JP 2004518840 A JP2004518840 A JP 2004518840A JP 2004518840 A JP2004518840 A JP 2004518840A JP 4965074 B2 JP4965074 B2 JP 4965074B2
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- JP
- Japan
- Prior art keywords
- encoder
- reception
- sensor
- microcoils
- ring
- 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.)
- Expired - Fee Related
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
- F16C41/007—Encoders, e.g. parts with a plurality of alternating magnetic poles
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- 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
- G01P3/443—Devices characterised by the use of electric or magnetic means for measuring angular speed mounted in bearings
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- 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
- G01P3/488—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 variable reluctance detectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
- F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2380/00—Electrical apparatus
- F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Rolling Contact Bearings (AREA)
- Rolls And Other Rotary Bodies (AREA)
Description
Claims (11)
- 軌道輪を備えた回転部(3)と、軌道輪を備えた非回転部(2)と、エンコーダ(8)及びセンサ(7)を備えていて回転部(3)と非回転部(2)との間の回転パラメータを検出するための組立体とを有し、上記センサ(7)が非回転部(2)と一体であると共に該非回転部(2)の軌道輪に取り付けられた検出部(9)を備え、該センサ(7)は非回転部(2)に取り付けられるための環板状のサポートユニット(10)を備えていると共にトランスミッションケーブル(12)に接続されている計測機能付きころがり軸受装置において、センサ(7)は、軸受半径方向に延びる面で平坦状に巻回されて周方向で順次配された複数のレセプションマイクロコイル(20)と、レセプションマイクロコイル(20)を周回して円弧形状をなす少なくとも一つのトランスミッションコイル(19)とを有し、トランスミッションコイル(19)とレセプションマイクロコイル(20)の両方は、平坦状に巻回されていると共に、回路(18)を支持する円弧板状セクタとして形成されたサポート(17)上に配され、該サポート(17)は、上記レセプションマイクロコイル(20)がエンコーダ(8)と軸方向で対向して位置するようにサポートユニット(10)の面上に配されていること、さらに、エンコーダ(8)は周方向で角度(φ)のピッチで作動帯が形成されている環板状をなし、レセプションマイクロコイル(20)は対をなして結合されていて、aを整数としたとき、対をなす両レセプションマイクロコイル(20)は、回路(18)で処理される差動信号を発するように、β=(a+0.5)×φで定まる角度(β)だけ互いにずれていることを特徴とする計測機能付きころがり軸受装置。
- 複数の平行ラジアル平面に複数のレセプションマイクロコイルが配されていることとする請求項1に記載の装置。
- エンコーダは作動域が導電性金属で作られているエンコーダホイールであることとする請求項1又は請求項2に記載の装置。
- エンコーダは、窓部あるいは歯部を有し、ころがり軸受の回転輪(3)に取り付けられたエンコーダホイールを有していることとする請求項1ないし請求項3のうちの一つに記載の装置。
- エンコーダは、金属セクタと非金属セクタとが設けられた環状基板として形成されたプリント配線回路を有していることとする請求項1ないし請求項3のうちの一つに記載の装置。
- プリント配線回路はころがり軸受の回転輪に組まれていることとする請求項5に記載の装置。
- エンコーダの少なくとも一部がころがり軸受の軌道輪同士間に形成される空間に配されていることとする請求項1ないし請求項6のうちの一つに記載の装置。
- エンコーダはころがり軸受の軌道輪同士間に形成される空間の外に配されていることとする請求項1ないし請求項7のうちの一つに記載の装置。
- サポートが環状をなしていることとする請求項1ないし請求項8のうちの一つに記載の装置。
- サポートは360°以下の角度のセクタとして形成されていることとする請求項
1ないし請求項9のうちの一つに記載の装置。 - ロータと、ステータと、該ロータを支持する少なくとも一つのころがり軸受と、回転パラメータの検出のためのエンコーダ(8)及び非回転部の軌道輪に取り付けられた検出部(9)が設けられたセンサ(7)を備えたセンサ組立体を有し、上記検出部(9)が上記ステータに取り付けられたセンサの環板状のサポートユニット(10)を備えると共にトランスミッションケーブル(12)に接続されている電動機において、センサ(7)は軸受半径方向に延びる面で平坦状に巻回されて周方向で順次配された複数のレセプションマイクロコイル(20)と、レセプションマイクロコイル(20)を周回して円弧状をなす少なくとも一つのトランスミッションコイル(19)とを有し、トランスミッションコイル(19)とレセプションマイクロコイル(20)の両方は、平坦状に巻回されていると共に、回路(18)を支持する円弧板状セクタとして形成されたサポート(17)上に配され、該サポート(17)は、上記レセプションマイクロコイル(20)がエンコーダ(8)と軸方向で対向して位置するようにステータと一体のサポートユニット(10)の面上に配されていること、さらに、エンコーダ(8)は周方向で角度(φ)のピッチで作動帯が形成されている環板状をなし、上記トランスミッションコイル(19)がサポート(17)上で上記複数のレセプションマイクロコイル(20)を包囲して円弧状をなしているレセプションマイクロコイル(20)は対をなして結合されていて、aを整数としたとき、対をなす両レセプションマイクロコイル(20)は、回路(18)で処理される差動信号を発するように、β=(a+0.5)×φで定まる角度(β)だけ互いにずれていることを特徴とする電動機。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR02/08263 | 2002-07-02 | ||
FR0208263A FR2841990B1 (fr) | 2002-07-02 | 2002-07-02 | Dispositif de palier a roulement instrumente et moteur electrique ainsi equipe |
PCT/FR2003/001985 WO2004005937A2 (fr) | 2002-07-02 | 2003-06-27 | Dispositif de palier a roulement equipe d’un capteur et moteur electrique ainsi equipe |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005531779A JP2005531779A (ja) | 2005-10-20 |
JP4965074B2 true JP4965074B2 (ja) | 2012-07-04 |
Family
ID=29725085
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004518840A Expired - Fee Related JP4965074B2 (ja) | 2002-07-02 | 2003-06-27 | 計測機能付きころがり軸受及びこれを備えた電動機 |
Country Status (9)
Country | Link |
---|---|
US (1) | US7429133B2 (ja) |
EP (1) | EP1518126B1 (ja) |
JP (1) | JP4965074B2 (ja) |
AT (1) | ATE382866T1 (ja) |
AU (1) | AU2003263258A1 (ja) |
DE (1) | DE60318442T2 (ja) |
DK (1) | DK1518126T3 (ja) |
FR (1) | FR2841990B1 (ja) |
WO (1) | WO2004005937A2 (ja) |
Families Citing this family (49)
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FR2851624B1 (fr) | 2003-02-26 | 2006-03-31 | Skf Ab | Palier a roulement instrumente |
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-
2002
- 2002-07-02 FR FR0208263A patent/FR2841990B1/fr not_active Expired - Fee Related
-
2003
- 2003-06-27 WO PCT/FR2003/001985 patent/WO2004005937A2/fr active IP Right Grant
- 2003-06-27 US US10/520,384 patent/US7429133B2/en not_active Expired - Fee Related
- 2003-06-27 AU AU2003263258A patent/AU2003263258A1/en not_active Abandoned
- 2003-06-27 DE DE60318442T patent/DE60318442T2/de not_active Expired - Lifetime
- 2003-06-27 EP EP03762710A patent/EP1518126B1/fr not_active Expired - Lifetime
- 2003-06-27 AT AT03762710T patent/ATE382866T1/de not_active IP Right Cessation
- 2003-06-27 DK DK03762710T patent/DK1518126T3/da active
- 2003-06-27 JP JP2004518840A patent/JP4965074B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO2004005937A3 (fr) | 2004-04-08 |
WO2004005937A2 (fr) | 2004-01-15 |
DK1518126T3 (da) | 2008-05-19 |
EP1518126A2 (fr) | 2005-03-30 |
JP2005531779A (ja) | 2005-10-20 |
AU2003263258A1 (en) | 2004-01-23 |
AU2003263258A8 (en) | 2004-01-23 |
FR2841990B1 (fr) | 2005-07-29 |
US7429133B2 (en) | 2008-09-30 |
DE60318442T2 (de) | 2008-12-11 |
US20060104558A1 (en) | 2006-05-18 |
FR2841990A1 (fr) | 2004-01-09 |
DE60318442D1 (de) | 2008-02-14 |
ATE382866T1 (de) | 2008-01-15 |
EP1518126B1 (fr) | 2008-01-02 |
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