JP4498275B2 - ステップモータ - Google Patents
ステップモータ Download PDFInfo
- Publication number
- JP4498275B2 JP4498275B2 JP2005511071A JP2005511071A JP4498275B2 JP 4498275 B2 JP4498275 B2 JP 4498275B2 JP 2005511071 A JP2005511071 A JP 2005511071A JP 2005511071 A JP2005511071 A JP 2005511071A JP 4498275 B2 JP4498275 B2 JP 4498275B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic pole
- rotor
- coil
- excited
- step motor
- 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
Links
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000005284 excitation Effects 0.000 description 14
- 230000005415 magnetization Effects 0.000 description 4
- 238000013459 approach Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K37/00—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors
- H02K37/10—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type
- H02K37/12—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with stationary armatures and rotating magnets
- H02K37/14—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with stationary armatures and rotating magnets with magnets rotating within the armatures
-
- 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
- H02K37/00—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors
- H02K37/10—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type
- H02K37/12—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with stationary armatures and rotating magnets
- H02K37/14—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with stationary armatures and rotating magnets with magnets rotating within the armatures
- H02K37/16—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with stationary armatures and rotating magnets with magnets rotating within the armatures having horseshoe armature cores
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/15—Mounting arrangements for bearing-shields or end plates
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Stepping Motors (AREA)
- Electromechanical Clocks (AREA)
Description
Claims (3)
- 4磁極を有するロータと、第1のコイルにより励磁される第1磁極と、第2のコイルにより励磁される第2磁極と、前記第1及び第2のコイルにより励磁される第3磁極とを含み、
前記第3磁極と前記ロータとのギャップを、前記第1磁極及び前記第2磁極と前記ロータとのギャップより小さく形成し、
前記ロータの外周面に対向するように配置されたステータを有し、
前記ステータの両端部の各々に前記第1磁極及び前記第2磁極が設定され、該ステータの中央部位置に前記第3磁極が設定され、
前記ステータの前記第1磁極と前記第3磁極との間に前記第1のコイルが配置され、前記ステータの前記第1磁極と前記第3磁極とは互いに異なる極性に励磁可能であり、前記第2磁極と前記第3磁極との間に前記第2のコイルが配置され、前記第2磁極と前記第3磁極とは互いに異なる極性に励磁可能であることを特徴とするステップモータ。 - 前記ロータは円筒形状を有し、前記ステータは平面略コ字状であることを特徴とする請求項1記載のステップモータ。
- 前記ステータは前記第1及び第2のコイルの位置ずれ防止用の突部を備えることを特徴とする請求項2に記載のステップモータ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003188980 | 2003-06-30 | ||
JP2003188980 | 2003-06-30 | ||
PCT/JP2004/009100 WO2005002030A1 (ja) | 2003-06-30 | 2004-06-28 | ステップモータ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2005002030A1 JPWO2005002030A1 (ja) | 2006-11-24 |
JP4498275B2 true JP4498275B2 (ja) | 2010-07-07 |
Family
ID=33549769
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005511071A Expired - Fee Related JP4498275B2 (ja) | 2003-06-30 | 2004-06-28 | ステップモータ |
Country Status (5)
Country | Link |
---|---|
US (3) | US20060138991A1 (ja) |
JP (1) | JP4498275B2 (ja) |
KR (1) | KR100745706B1 (ja) |
CN (1) | CN100495872C (ja) |
WO (1) | WO2005002030A1 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005002030A1 (ja) * | 2003-06-30 | 2005-01-06 | Seiko Precision Inc. | ステップモータ |
US7253575B2 (en) * | 2004-11-08 | 2007-08-07 | Sutter Instrument Company | Industrial optical shutter |
CN200959565Y (zh) * | 2006-07-24 | 2007-10-10 | 伟盈驱动技术有限公司 | 步进电机 |
EP2392067A4 (en) * | 2009-01-27 | 2015-05-06 | Massachusetts Inst Technology | MOTORS BASED ON PERMANENT ELECTRO-MAGNETS |
JP2015171195A (ja) * | 2014-03-05 | 2015-09-28 | 日本電産サンキョー株式会社 | モータ、モータ装置および指針式表示装置 |
JP6282891B2 (ja) * | 2014-03-05 | 2018-02-21 | 日本電産サンキョー株式会社 | モータ、モータ装置および指針式表示装置 |
JP6380116B2 (ja) * | 2015-01-14 | 2018-08-29 | カシオ計算機株式会社 | 運針機構及び時計 |
JP2017022891A (ja) * | 2015-07-13 | 2017-01-26 | 日本電産サンキョー株式会社 | モータ、モータ装置および指針式表示装置 |
JP6414115B2 (ja) | 2016-03-25 | 2018-10-31 | カシオ計算機株式会社 | ステッピングモータ、モータ駆動装置及び時刻表示装置 |
DE102016216307A1 (de) | 2016-08-30 | 2018-03-01 | Mahle International Gmbh | Elektromotor, insbesondere für ein Kraftfahrzeug |
DE102016216311A1 (de) * | 2016-08-30 | 2018-03-01 | Mahle International Gmbh | Elektromotor, insbesondere für ein Kraftfahrzeug |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5615163A (en) * | 1979-07-06 | 1981-02-13 | Ebauches Sa | Electromagnetic motor rotating bidirectionally |
JPS5980147A (ja) * | 1982-10-29 | 1984-05-09 | Rhythm Watch Co Ltd | 時計用小型モ−タ |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1451359A (en) * | 1973-11-30 | 1976-09-29 | Citizen Watch Co Ltd | Pulse motor driven circuit |
US4205244A (en) * | 1974-03-07 | 1980-05-27 | Kabushiki Kaisha Daini Seikosha | Micro stepping motor |
CH617062B (fr) * | 1976-12-22 | Girard Perregaux Sa | Moteur electrique a rotation discontinue pour mouvement de montre. | |
US4088909A (en) * | 1977-02-18 | 1978-05-09 | Kanto Seiki Company, Limited | Stepping motor for timekeeping mechanism |
JPS54134313A (en) * | 1978-04-10 | 1979-10-18 | Citizen Watch Co Ltd | Pulse motor for electronic clock |
GB2054978B (en) * | 1979-07-06 | 1984-06-13 | Ebauches Sa | Electromagnetic motor rotatable in either direction |
US4600864A (en) * | 1984-02-01 | 1986-07-15 | Sanyo Electric Co., Ltd. | Easily restarted brushless DC motor |
US4782353A (en) * | 1984-02-27 | 1988-11-01 | Seikosha Co., Ltd. | Stepping motor-driven sector opening/closing device |
US5492509A (en) * | 1994-06-06 | 1996-02-20 | Ford Motor Company | Operating range selection of an automatic transmission |
US5959378A (en) * | 1994-08-10 | 1999-09-28 | Echkhart W. Haller | Electromagnetic, two-phase pulse motor with two rotation directions |
WO2005002030A1 (ja) * | 2003-06-30 | 2005-01-06 | Seiko Precision Inc. | ステップモータ |
US7211910B2 (en) * | 2003-06-30 | 2007-05-01 | Seiko Precision Inc. | Step motor |
-
2004
- 2004-06-28 WO PCT/JP2004/009100 patent/WO2005002030A1/ja active Application Filing
- 2004-06-28 CN CNB2004800187421A patent/CN100495872C/zh not_active Expired - Fee Related
- 2004-06-28 KR KR1020057024418A patent/KR100745706B1/ko not_active IP Right Cessation
- 2004-06-28 US US10/562,329 patent/US20060138991A1/en not_active Abandoned
- 2004-06-28 JP JP2005511071A patent/JP4498275B2/ja not_active Expired - Fee Related
-
2006
- 2006-03-22 US US11/386,419 patent/US7385320B2/en not_active Expired - Lifetime
-
2007
- 2007-12-27 US US11/965,109 patent/US20080106158A1/en not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5615163A (en) * | 1979-07-06 | 1981-02-13 | Ebauches Sa | Electromagnetic motor rotating bidirectionally |
JPS5980147A (ja) * | 1982-10-29 | 1984-05-09 | Rhythm Watch Co Ltd | 時計用小型モ−タ |
Also Published As
Publication number | Publication date |
---|---|
US7385320B2 (en) | 2008-06-10 |
WO2005002030A1 (ja) | 2005-01-06 |
JPWO2005002030A1 (ja) | 2006-11-24 |
US20060138991A1 (en) | 2006-06-29 |
CN1816961A (zh) | 2006-08-09 |
US20060226716A1 (en) | 2006-10-12 |
KR100745706B1 (ko) | 2007-08-02 |
KR20060024429A (ko) | 2006-03-16 |
CN100495872C (zh) | 2009-06-03 |
US20080106158A1 (en) | 2008-05-08 |
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