JPWO2018173104A1 - 電動機および送風装置 - Google Patents
電動機および送風装置 Download PDFInfo
- Publication number
- JPWO2018173104A1 JPWO2018173104A1 JP2019506571A JP2019506571A JPWO2018173104A1 JP WO2018173104 A1 JPWO2018173104 A1 JP WO2018173104A1 JP 2019506571 A JP2019506571 A JP 2019506571A JP 2019506571 A JP2019506571 A JP 2019506571A JP WO2018173104 A1 JPWO2018173104 A1 JP WO2018173104A1
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- Prior art keywords
- end plate
- electric motor
- hole
- rotor
- blade
- 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.)
- Granted
Links
- 238000001816 cooling Methods 0.000 claims abstract description 25
- 238000003780 insertion Methods 0.000 claims abstract description 22
- 230000037431 insertion Effects 0.000 claims abstract description 22
- 238000004804 winding Methods 0.000 claims description 13
- 239000002826 coolant Substances 0.000 description 15
- 230000000694 effects Effects 0.000 description 7
- 238000005520 cutting process Methods 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910052761 rare earth metal Inorganic materials 0.000 description 3
- 150000002910 rare earth metals Chemical class 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
-
- 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]
-
- 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
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets 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
- 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)
- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
Description
図1を参照して、本発明の実施の形態1における電動機の内部構成について説明する。
次に、本発明の実施の形態2に係る電動機100について、図9を用いて説明する。以下、特に説明しない限り、実施の形態1と同一の構成には同一の符号を付し、説明を繰り返さない。
次に、本発明の実施の形態3に係る電動機200について、図10を用いて説明する。以下、特に説明しない限り、実施の形態1と同一の構成には同一の符号を付し、説明を繰り返さない。
次に、本発明の実施の形態4に係る電動機300について、図11を用いて説明する。以下、特に説明しない限り、実施の形態1と同一の構成には同一の符号を付し、説明を繰り返さない。なお、図11中の矢印は空気の流れを示している。
次に、本発明の実施の形態5に係る送風装置400について、図12を用いて説明する。なお、図12中の矢印は空気の流れを示している。
Claims (10)
- 回転軸を中心に回転する回転子鉄心と、
前記回転子鉄心に形成された磁石挿入孔に挿入された永久磁石と、
前記回転子鉄心の前記回転軸方向の両端面にそれぞれ設けられた第一および第二の端板と、
前記第一の端板の表面に前記回転軸を包囲して設けられた羽根部と、を備えた回転子を有し、
前記回転子は、前記第一の端板の前記羽根部と前記回転軸との間に開口し、前記回転子鉄心と前記第二の端板とを貫通する冷却孔を有する電動機。 - 前記羽根部は、前記第一の端板と一体に形成されている請求項1に記載の電動機。
- 前記羽根部の外側の端部は、前記羽根部の内側の端部よりも前記回転子の回転方向において後方に位置している請求項1または2に記載の電動機。
- 前記磁石挿入孔は、前記第一の端板および前記第二の端板によって塞がれている請求項1から3のいずれか一項に記載の電動機。
- 前記回転子の外側に配置され、固定子鉄心と、前記固定子鉄心に巻装された巻線とを有する固定子を更に備え、
前記巻線は、前記固定子鉄心から前記回転軸方向に突出したコイルエンド部を有し、
前記羽根部は、前記コイルエンド部に対向している請求項1から4のいずれか一項に記載の電動機。 - 前記回転子および前記固定子を収容するケースを更に備え、
前記ケースは、前記コイルエンド部よりも径方向外側にケース開口部を有し、
前記ケース開口部は、前記ケースの内側と前記ケースの外側とを連通している請求項5に記載の電動機。 - 前記羽根部を覆う円板を更に備える請求項1から6のいずれか一項に記載の電動機。
- 前記冷却孔の前記第二の端板側の開口部には、前記第一の端板に向かって延在するガイド部が形成されている請求項1から7のいずれか一項に記載の電動機。
- 前記ガイド部は、前記第二の端板と一体に形成されている請求項8に記載の電動機。
- 請求項1から9のいずれか一項の電動機を備える送風装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2017/011132 WO2018173104A1 (ja) | 2017-03-21 | 2017-03-21 | 電動機および送風装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2018173104A1 true JPWO2018173104A1 (ja) | 2019-11-07 |
JP6818869B2 JP6818869B2 (ja) | 2021-01-20 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019506571A Active JP6818869B2 (ja) | 2017-03-21 | 2017-03-21 | 電動機および送風装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US11509194B2 (ja) |
JP (1) | JP6818869B2 (ja) |
CN (1) | CN110402531A (ja) |
WO (1) | WO2018173104A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020188560A (ja) * | 2019-05-13 | 2020-11-19 | 株式会社エクセディ | 回転電機 |
IT202000002266A1 (it) * | 2020-02-05 | 2021-08-05 | Ferrari Spa | Macchina elettrica rotante con rotore alleggerito |
DE102021124088A1 (de) | 2021-09-17 | 2023-03-23 | Seg Automotive Germany Gmbh | Elektrische Maschine mit Kühlmittelkanälen |
FR3128078A1 (fr) | 2021-10-12 | 2023-04-14 | Nidec Psa Emotors | Flasque pour machine électrique tournante |
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Also Published As
Publication number | Publication date |
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US20200321830A1 (en) | 2020-10-08 |
CN110402531A (zh) | 2019-11-01 |
JP6818869B2 (ja) | 2021-01-20 |
US11509194B2 (en) | 2022-11-22 |
WO2018173104A1 (ja) | 2018-09-27 |
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