WO2011158583A1 - リニアモータ - Google Patents
リニアモータ Download PDFInfo
- Publication number
- WO2011158583A1 WO2011158583A1 PCT/JP2011/061081 JP2011061081W WO2011158583A1 WO 2011158583 A1 WO2011158583 A1 WO 2011158583A1 JP 2011061081 W JP2011061081 W JP 2011061081W WO 2011158583 A1 WO2011158583 A1 WO 2011158583A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- teeth
- width
- armature
- cogging
- core
- Prior art date
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
- H02K41/031—Synchronous motors; Motors moving step by step; Reluctance motors of the permanent magnet type
- H02K41/033—Synchronous motors; Motors moving step by step; Reluctance motors of the permanent magnet type with armature and magnets on one member, the other member being a flux distributor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
- H02K41/031—Synchronous motors; Motors moving step by step; Reluctance motors of the permanent magnet type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
- H02K29/03—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with a magnetic circuit specially adapted for avoiding torque ripples or self-starting problems
-
- 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
- H02K7/08—Structural association with bearings
Definitions
- auxiliary poles made of a magnetic material are provided at both ends in the moving direction of the armature core as a measure for counteracting cogging (see Patent Document 1).
- No coil is wound around the auxiliary magnetic poles at both ends.
- the distance between the auxiliary magnetic poles at both ends is set to a distance that cancels out the magnetic attractive forces generated at both ends.
- FIG. 1 and FIG. 2 are diagrams showing the entire configuration of the linear motor.
- the same components are denoted by the same reference numerals.
- the table 3 is made of a nonmagnetic material such as aluminum.
- a position detecting means 12 such as a linear scale for detecting the position of the table 3 with respect to the base 4 is attached to the table 3.
- the position signal detected by the position detector 12 is sent to a driver (not shown) that drives the linear motor.
- the driver controls the current supplied to the armature 10 so that the table 3 moves according to the position command from the host controller.
- FIG. 4 shows the field portion 5 attached to the upper surface of the base 4.
- the field magnet portion 5 includes a thin plate-like yoke 20 and a plurality of plate-like permanent magnets 21 arranged in a line in the armature movement direction on the top surface of the yoke 20.
- the permanent magnet 21 is made of a rare earth magnet such as a neodymium magnet having a high coercive force.
- One of an N pole and an S pole is formed on the front side of the plate-like permanent magnet 21, and the remaining one is formed on the back side.
- a plurality of plate-like permanent magnets 21 are arranged on the yoke 20 so that N poles and S poles are alternately formed in the longitudinal direction.
- FIG. 15 is a diagram in which the cogging of FIG. 14 is decomposed into U, V, and W phase cogging (magnetic attractive force), and the dispersion of peak values of the decomposed cogging (magnetic attractive force) is compared for each tooth width. is there.
- the teeth width was set to 9.5 mm, the variation in peak value was minimized. Not only the peak value but also the whole sine wave, the variation was the smallest when the teeth width was 9 mm.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Linear Motors (AREA)
Abstract
Description
Claims (3)
- N極とS極が交互に形成されるように複数の永久磁石が直線状に配列される界磁部と、前記界磁部にすきまを介して対向する複数のティースを有するコア、及び前記コアの前記複数のティースに巻かれる複数のコイルを有する電機子と、を備え、
前記電機子が前記界磁部に対して相対的に直線運動するリニアモータにおいて、
前記コイルが巻かれる前記複数のティースのうち、前記相対移動方向の両端に位置するティースの前記相対移動方向の幅が、その根元部から先端部に至るまで、残りのティースの前記相対移動方向の幅よりも細いことを特徴とするリニアモータ。 - 前記複数のコイルが巻かれる前記複数のティースの、前記電機子の前記相対移動方向の中心間のピッチが全て等しいことを特徴とする請求項1に記載のリニアモータ。
- 前記相対移動方向の両端に位置するティースの先端面が、平坦に形成されることを特徴とする請求項1又は2に記載のリニアモータ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201180028790.9A CN102939703B (zh) | 2010-06-16 | 2011-05-13 | 线性电动机 |
US13/703,522 US9490686B2 (en) | 2010-06-16 | 2011-05-13 | Linear motor with reduced cogging |
DE112011102025T DE112011102025T5 (de) | 2010-06-16 | 2011-05-13 | Linearmotor |
KR1020137001099A KR101792899B1 (ko) | 2010-06-16 | 2011-05-13 | 리니어 모터 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010-137400 | 2010-06-16 | ||
JP2010137400A JP5015290B2 (ja) | 2010-06-16 | 2010-06-16 | リニアモータ |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011158583A1 true WO2011158583A1 (ja) | 2011-12-22 |
Family
ID=45347992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2011/061081 WO2011158583A1 (ja) | 2010-06-16 | 2011-05-13 | リニアモータ |
Country Status (6)
Country | Link |
---|---|
US (1) | US9490686B2 (ja) |
JP (1) | JP5015290B2 (ja) |
KR (1) | KR101792899B1 (ja) |
CN (1) | CN102939703B (ja) |
DE (1) | DE112011102025T5 (ja) |
WO (1) | WO2011158583A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6036221B2 (ja) * | 2012-11-28 | 2016-11-30 | 日立金属株式会社 | リニアモータ |
EP2978113A4 (en) * | 2013-03-22 | 2017-05-03 | Hitachi Metals, Ltd. | Linear motor |
JP6224380B2 (ja) * | 2013-08-30 | 2017-11-01 | ヤマハ発動機株式会社 | リニアコンベア用のカバー部材及びリニアコンベア |
JP2015089189A (ja) * | 2013-10-29 | 2015-05-07 | 株式会社安川電機 | リニアモータ |
JP7079444B2 (ja) * | 2018-04-17 | 2022-06-02 | Kyb株式会社 | 筒型リニアモータ |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0937540A (ja) * | 1995-07-14 | 1997-02-07 | Shinko Electric Co Ltd | リニア誘導同期電動機 |
JPH1042496A (ja) * | 1996-07-19 | 1998-02-13 | Yamaha Motor Co Ltd | リニアモータ |
JP2005168243A (ja) * | 2003-12-04 | 2005-06-23 | Yaskawa Electric Corp | 永久磁石型同期リニアモータ |
WO2009035050A1 (ja) * | 2007-09-14 | 2009-03-19 | Thk Co., Ltd. | リニアモータ及びリニアモータのコギング低減方法 |
Family Cites Families (19)
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SU394892A1 (ru) * | 1970-10-08 | 1973-08-22 | Линейный индуктор индукционной машины | |
JPS5953784B2 (ja) * | 1980-04-15 | 1984-12-26 | ブラザー工業株式会社 | リニアステツプモ−タ |
JPS598145B2 (ja) * | 1980-08-27 | 1984-02-23 | ブラザー工業株式会社 | Vr形リニアステップモ−タ |
DE3110339C2 (de) * | 1981-03-17 | 1984-09-27 | Thyssen Industrie Ag, 4300 Essen | Verfahren zum Herstellen eines Blechpakets für einen Langstator-Linearmotor |
DE3515350A1 (de) * | 1985-04-27 | 1987-01-22 | Messerschmitt Boelkow Blohm | Magnetregler fuer langstator-magnetschwebefahrzeuge |
JPH0753427Y2 (ja) | 1990-09-12 | 1995-12-06 | 株式会社安川電機 | 直線運動電動機 |
JP3670026B2 (ja) | 1993-06-10 | 2005-07-13 | 日本曹達株式会社 | ホスト化合物及び包接化合物 |
US6242822B1 (en) * | 1995-03-03 | 2001-06-05 | Rolf Strothmann | Electric machine |
US6476524B1 (en) * | 1998-02-13 | 2002-11-05 | Kabushiki Kaisha Yaskawa Denki | Linear motor |
JP4352483B2 (ja) * | 1998-11-16 | 2009-10-28 | シンフォニアテクノロジー株式会社 | 三相パルスモータ |
EP1283586B1 (en) * | 2000-04-19 | 2013-05-01 | Kabushiki Kaisha Yaskawa Denki | Permanent magnet synchronous linear motor |
US7170202B2 (en) * | 2003-04-11 | 2007-01-30 | Mitsubishi Denki Kabushiki Kaisha | Linear motor |
JP3872055B2 (ja) * | 2003-06-20 | 2007-01-24 | 三菱電機株式会社 | リニアモータの電機子 |
US6949846B2 (en) * | 2003-08-29 | 2005-09-27 | Sanyo Denki Co., Ltd. | Linear motor with reduced cogging force |
WO2007040009A1 (ja) * | 2005-09-30 | 2007-04-12 | Thk Co., Ltd. | リニア同期モータ及びリニアモータアクチュエータ |
DE102006035676A1 (de) * | 2006-07-31 | 2008-02-14 | Siemens Ag | Linearmotor mit Kraftwelligkeitsausgleich |
EP1919063A1 (en) * | 2006-11-02 | 2008-05-07 | Sy.Tra.Ma. S.R.L. | Flux-reversal linear motor |
US8067863B2 (en) | 2007-01-18 | 2011-11-29 | Bose Corporation | Detent force correcting |
JP2010137400A (ja) | 2008-12-10 | 2010-06-24 | Konica Minolta Holdings Inc | ハードコート付積層体 |
-
2010
- 2010-06-16 JP JP2010137400A patent/JP5015290B2/ja active Active
-
2011
- 2011-05-13 DE DE112011102025T patent/DE112011102025T5/de active Pending
- 2011-05-13 KR KR1020137001099A patent/KR101792899B1/ko active IP Right Grant
- 2011-05-13 US US13/703,522 patent/US9490686B2/en active Active
- 2011-05-13 CN CN201180028790.9A patent/CN102939703B/zh active Active
- 2011-05-13 WO PCT/JP2011/061081 patent/WO2011158583A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0937540A (ja) * | 1995-07-14 | 1997-02-07 | Shinko Electric Co Ltd | リニア誘導同期電動機 |
JPH1042496A (ja) * | 1996-07-19 | 1998-02-13 | Yamaha Motor Co Ltd | リニアモータ |
JP2005168243A (ja) * | 2003-12-04 | 2005-06-23 | Yaskawa Electric Corp | 永久磁石型同期リニアモータ |
WO2009035050A1 (ja) * | 2007-09-14 | 2009-03-19 | Thk Co., Ltd. | リニアモータ及びリニアモータのコギング低減方法 |
Also Published As
Publication number | Publication date |
---|---|
US9490686B2 (en) | 2016-11-08 |
KR20130111522A (ko) | 2013-10-10 |
KR101792899B1 (ko) | 2017-11-02 |
US20130082544A1 (en) | 2013-04-04 |
JP2012005230A (ja) | 2012-01-05 |
CN102939703A (zh) | 2013-02-20 |
DE112011102025T5 (de) | 2013-03-21 |
JP5015290B2 (ja) | 2012-08-29 |
CN102939703B (zh) | 2016-01-20 |
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