JP7021472B2 - モータ - Google Patents
モータ Download PDFInfo
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- JP7021472B2 JP7021472B2 JP2017155392A JP2017155392A JP7021472B2 JP 7021472 B2 JP7021472 B2 JP 7021472B2 JP 2017155392 A JP2017155392 A JP 2017155392A JP 2017155392 A JP2017155392 A JP 2017155392A JP 7021472 B2 JP7021472 B2 JP 7021472B2
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- Prior art keywords
- rotor
- bus bar
- bearing
- holding portion
- armature
- Prior art date
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- 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
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
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- 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
- H02K1/22—Rotating parts of the magnetic circuit
-
- 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
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
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- 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
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
- H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
- H02K1/2773—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect consisting of tangentially magnetized radial magnets
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- 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
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/278—Surface mounted magnets; Inset magnets
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- 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
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/14—Casings; Enclosures; Supports
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/16—Centering rotors within the stator; Balancing rotors
- H02K15/165—Balancing the rotor
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- 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
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
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- 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
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
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- 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
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
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- 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
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
- H02K5/1735—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotary shaft at only one end of the rotor
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- 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
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
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- 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
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
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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
- H02K7/08—Structural association with bearings
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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
- H02K7/08—Structural association with bearings
- H02K7/083—Structural association with bearings radially supporting the rotary shaft at both ends of the rotor
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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
- H02K7/08—Structural association with bearings
- H02K7/085—Structural association with bearings radially supporting the rotary shaft at only one end of the rotor
-
- 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
- H02K7/086—Structural association with bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
- H02K7/088—Structural association with bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly radially supporting the rotor directly
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
- H01R25/16—Rails or bus-bars provided with a plurality of discrete connecting locations for counterparts
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/06—Magnetic cores, or permanent magnets characterised by their skew
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2205/00—Specific aspects not provided for in the other groups of this subclass relating to casings, enclosures, supports
- H02K2205/09—Machines characterised by drain passages or by venting, breathing or pressure compensating means
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
- Manufacture Of Motors, Generators (AREA)
Description
4 軸受機構
21 ハウジング
22 電機子
23 バスバー
24 バスバー保持部
30 ロータ組立体
31 シャフト
32 ロータ本体
33 接続板部
34 ロータファン
41 第1軸受
42 第2軸受
91 金型
92 (金型の)内側面
214 軸受保持部
215 第1開口
216 第2開口
217 (軸受保持部の)外側面
245 (バスバー保持部の)内側面
246 (バスバー保持部の)下面
321 コアピース
322 ロータマグネット
323 接続部
324 コア凹部
325 (コアピースの)外側面
331 (接続板部の)第1部位
332 (接続板部の)第2部位
351 (ロータマグネットの)上端面
352 (ロータマグネットの)下端面
353,356 第1領域
354,357 第2領域
355,358 法線ベクトル
363 (ロータマグネットの)外側面
371 係合領域
372 露出領域
J1 中心軸
S11~S14 ステップ
Claims (6)
- 上下方向を向く中心軸を中心とするシャフトと、
前記シャフトを回転可能に支持する軸受機構と、
前記シャフトに固定された円筒状のロータ本体と、
前記ロータ本体の上側にて前記シャフトに固定されたロータファンと、
前記ロータ本体と径方向に対向する電機子と、
前記電機子を外部電源に電気的に接続するバスバーと、
前記バスバーを保持するバスバー保持部と、
前記ロータ本体、前記ロータファン、前記電機子、前記バスバーおよび前記バスバー保持部を内部に収容するハウジングと、
を備え、
前記軸受機構が、前記ハウジングの内部において前記ロータファンよりも上側に位置し、前記ロータファンと上下方向に対向する第1軸受を備え、
前記ハウジングが、
前記電機子よりも上側に位置する第1開口と、
前記電機子よりも下側に位置する第2開口と、
前記第1軸受の外側面に接触して前記第1軸受を保持する軸受保持部と、
を備え、
前記バスバー保持部が、前記ロータファンの径方向外側に配置され、
前記バスバー保持部の円筒状の内側面が、前記ロータファンと径方向に対向し、
前記バスバー保持部の前記内側面の上端部と、前記軸受保持部の外側面とが、径方向に対向し、
前記バスバー保持部の前記内側面の下端部と、前記ロータファンとが、径方向に対向する、モータ。 - 前記バスバー保持部の下面が、前記内側面の下端から径方向外方に向かうに従って下方へと向かい、前記電機子と上下方向に対向する、請求項1に記載のモータ。
- 前記軸受機構が、
前記第1軸受と、
前記ロータ本体よりも下側に位置する第2軸受と、
を備える、請求項1または2に記載のモータ。 - 前記ロータファンの外径が、前記第1軸受の外径よりも大きい、請求項3に記載のモータ。
- 前記ロータファンの外径が、前記ロータ本体の外径に等しい、請求項1ないし4のいずれか1つに記載のモータ。
- 前記第1開口が、前記ハウジングの外側面に位置する、請求項1ないし5のいずれか1つに記載のモータ。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810767420.0A CN109391083B (zh) | 2016-11-02 | 2018-07-13 | 马达 |
US16/055,208 US10673307B2 (en) | 2016-11-02 | 2018-08-06 | Motor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201662416224P | 2016-11-02 | 2016-11-02 | |
US62/416,224 | 2016-11-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018074895A JP2018074895A (ja) | 2018-05-10 |
JP7021472B2 true JP7021472B2 (ja) | 2022-02-17 |
Family
ID=62114576
Family Applications (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017155394A Withdrawn JP2018074897A (ja) | 2016-11-02 | 2017-08-10 | ロータ組立体およびロータ組立体の製造方法 |
JP2017155392A Active JP7021472B2 (ja) | 2016-11-02 | 2017-08-10 | モータ |
JP2017155393A Active JP7021473B2 (ja) | 2016-11-02 | 2017-08-10 | モータ |
JP2017155391A Pending JP2018074894A (ja) | 2016-11-02 | 2017-08-10 | モータ |
JP2017155390A Withdrawn JP2018074893A (ja) | 2016-11-02 | 2017-08-10 | ロータ組立体 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017155394A Withdrawn JP2018074897A (ja) | 2016-11-02 | 2017-08-10 | ロータ組立体およびロータ組立体の製造方法 |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017155393A Active JP7021473B2 (ja) | 2016-11-02 | 2017-08-10 | モータ |
JP2017155391A Pending JP2018074894A (ja) | 2016-11-02 | 2017-08-10 | モータ |
JP2017155390A Withdrawn JP2018074893A (ja) | 2016-11-02 | 2017-08-10 | ロータ組立体 |
Country Status (3)
Country | Link |
---|---|
US (5) | US20190052138A1 (ja) |
JP (5) | JP2018074897A (ja) |
CN (5) | CN109391054A (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018074897A (ja) * | 2016-11-02 | 2018-05-10 | 日本電産株式会社 | ロータ組立体およびロータ組立体の製造方法 |
PL234155B1 (pl) * | 2018-12-14 | 2020-01-31 | Politechnika Gdanska | Wolnoobrotowy generator synchroniczny z magnesami trwałymi, zwłaszcza do zastosowania w elektrowni wiatrowej o pionowej osi obrotu |
US20220263377A1 (en) * | 2019-08-21 | 2022-08-18 | Makita Corporation | Electric work machine |
JP7514663B2 (ja) | 2020-06-22 | 2024-07-11 | 東芝ライフスタイル株式会社 | ロータおよびロータの製造方法 |
CN112421823B (zh) * | 2020-11-04 | 2022-05-20 | 青岛大学 | 空心杯永磁转子及永磁电机 |
CN113517796A (zh) * | 2021-07-13 | 2021-10-19 | 齐齐哈尔赛石精工机械制造有限公司 | 一种直联抛丸器专用的永磁同步电动机 |
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2017
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- 2017-08-10 JP JP2017155392A patent/JP7021472B2/ja active Active
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2018
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JP2011223804A (ja) | 2010-04-13 | 2011-11-04 | Sinfonia Technology Co Ltd | 回転装置 |
JP2011250566A (ja) | 2010-05-26 | 2011-12-08 | Mitsubishi Electric Corp | 回転電機 |
JP5893099B1 (ja) | 2014-08-19 | 2016-03-23 | 三菱電機株式会社 | 電力供給ユニット一体型回転電機 |
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CN109391085B (zh) | 2020-10-09 |
JP2018074895A (ja) | 2018-05-10 |
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US10666114B2 (en) | 2020-05-26 |
US20190052151A1 (en) | 2019-02-14 |
CN109391083B (zh) | 2021-04-13 |
CN109391055A (zh) | 2019-02-26 |
CN109391085A (zh) | 2019-02-26 |
JP7021473B2 (ja) | 2022-02-17 |
US20190052138A1 (en) | 2019-02-14 |
CN109391083A (zh) | 2019-02-26 |
CN109391054A (zh) | 2019-02-26 |
CN109391084A (zh) | 2019-02-26 |
US10673307B2 (en) | 2020-06-02 |
US20190052150A1 (en) | 2019-02-14 |
JP2018074896A (ja) | 2018-05-10 |
US20190052152A1 (en) | 2019-02-14 |
JP2018074894A (ja) | 2018-05-10 |
US11050324B2 (en) | 2021-06-29 |
JP2018074897A (ja) | 2018-05-10 |
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