JP6879140B2 - 回転電機 - Google Patents
回転電機 Download PDFInfo
- Publication number
- JP6879140B2 JP6879140B2 JP2017177895A JP2017177895A JP6879140B2 JP 6879140 B2 JP6879140 B2 JP 6879140B2 JP 2017177895 A JP2017177895 A JP 2017177895A JP 2017177895 A JP2017177895 A JP 2017177895A JP 6879140 B2 JP6879140 B2 JP 6879140B2
- Authority
- JP
- Japan
- Prior art keywords
- axis
- layer
- permanent magnets
- magnetic
- rotor core
- 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.)
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Links
- 230000004907 flux Effects 0.000 claims description 66
- 230000002093 peripheral effect Effects 0.000 claims description 61
- 230000001154 acute effect Effects 0.000 claims description 10
- 238000004804 winding Methods 0.000 description 11
- 238000011144 upstream manufacturing Methods 0.000 description 7
- 239000000696 magnetic material Substances 0.000 description 6
- 230000006866 deterioration Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 2
- 239000006247 magnetic powder Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- 229910000828 alnico Inorganic materials 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 1
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- H02K1/16—Stator cores with slots for windings
- H02K1/165—Shape, form or location of the slots
-
- 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
-
- 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
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/12—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
-
- 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
- H02K7/006—Structural association of a motor or generator with the drive train of a motor vehicle
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Description
Claims (3)
- ステータコイルが巻回されたステータと、
前記ステータの内周側に対し所定の間隔を隔てて同心状に配置されたロータであって、ロータコア、及び、前記ロータコアの各磁極においてd軸と前記ロータコアの外周面とが交わるd軸交点から内周側に向って二層構造に配置された6つの永久磁石を含むロータと、
を備え、
前記二層構造にそれぞれ属する前記永久磁石の内で、前記磁極の両側のq軸のそれぞれに最も近く配置された永久磁石の相互の配置関係は、
前記d軸交点から近い第一層に属し前記q軸に最も近く配置された永久磁石における前記q軸側でかつ内周側である端部の前記ロータコアにおける径方向に沿った位置R1が、
前記d軸交点から遠い第二層に属し前記q軸に最も近く配置された永久磁石における前記q軸側でかつ外周側である端部の前記ロータコアにおける径方向に沿った位置R2よりも予め定めた所定の径方向間隔Rthで離間して外周側に配置され、
前記二層構造の各層はそれぞれ、前記d軸に対し線対称に配置され、
前記第一層は、前記d軸を挟んで1つずつ線対称に、前記ロータコアの前記外周面から見た見込み角度で、所定の鋭角の傾斜角度θ1で傾斜して配置された2つの永久磁石で構成され、
前記第二層は、前記d軸を挟んで1つずつ前記線対称に、前記ロータコアの前記外周面から見た見込み角度で、前記θ1より小さな傾斜角度θ2で傾斜して配置された2つの外周側永久磁石、及び、
前記d軸を挟んで1つずつ前記線対称に、前記ロータコアの前記外周面から見た見込み角度で、前記θ2よりも大きい鋭角の傾斜角度θ3で傾斜して配置された2つの内周側永久磁石の4つの永久磁石で構成され、
6つの前記永久磁石は、いずれも同じ形状を有し、
前記第二層に属する前記永久磁石は、前記傾斜角度θ2及び前記傾斜角度θ3に基づいて屈曲した形状の磁石孔に配置されている、回転電機。 - 前記所定の径方向間隔Rthは、
前記第二層に属する永久磁石の磁束の流れ方向に対し、
前記第一層に属する永久磁石の磁束の流れ方向が同じ方向の場合に、互いに強め合って磁気飽和することを抑制できる間隔である、請求項1に記載の回転電機。 - 前記所定の径方向間隔Rthは、
前記第二層に属する永久磁石の磁束の流れ方向に対し、
前記第一層に属する永久磁石の磁束の流れ方向が逆方向の場合に、互いに打ち消し合うことを抑制できる間隔である、請求項1に記載の回転電機。
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017177895A JP6879140B2 (ja) | 2017-09-15 | 2017-09-15 | 回転電機 |
US16/125,147 US10686341B2 (en) | 2017-09-15 | 2018-09-07 | Rotating electric machine |
RU2018132051A RU2689311C1 (ru) | 2017-09-15 | 2018-09-07 | Вращающаяся электрическая машина |
KR1020180107593A KR102079486B1 (ko) | 2017-09-15 | 2018-09-10 | 회전 전기 |
EP18194097.4A EP3457534B1 (en) | 2017-09-15 | 2018-09-12 | Rotating electric machine |
BR102018068509-0A BR102018068509B1 (pt) | 2017-09-15 | 2018-09-12 | Máquina elétrica de rotação |
CN202110028147.1A CN112838693B (zh) | 2017-09-15 | 2018-09-13 | 旋转电机 |
CN201811065516.9A CN109510347B (zh) | 2017-09-15 | 2018-09-13 | 旋转电机 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017177895A JP6879140B2 (ja) | 2017-09-15 | 2017-09-15 | 回転電機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019054659A JP2019054659A (ja) | 2019-04-04 |
JP6879140B2 true JP6879140B2 (ja) | 2021-06-02 |
Family
ID=63579097
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017177895A Active JP6879140B2 (ja) | 2017-09-15 | 2017-09-15 | 回転電機 |
Country Status (7)
Country | Link |
---|---|
US (1) | US10686341B2 (ja) |
EP (1) | EP3457534B1 (ja) |
JP (1) | JP6879140B2 (ja) |
KR (1) | KR102079486B1 (ja) |
CN (2) | CN109510347B (ja) |
BR (1) | BR102018068509B1 (ja) |
RU (1) | RU2689311C1 (ja) |
Families Citing this family (12)
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JP6706487B2 (ja) * | 2015-11-19 | 2020-06-10 | 日東電工株式会社 | 希土類永久磁石をもった回転子を備える回転電機 |
JP7132729B2 (ja) * | 2018-03-12 | 2022-09-07 | 株式会社デンソー | 回転電機 |
US10797546B2 (en) * | 2019-01-08 | 2020-10-06 | Borgwarner Inc. | Interior permanent magnet electric machine with flux distributing voids |
JP7172979B2 (ja) * | 2019-12-25 | 2022-11-16 | トヨタ自動車株式会社 | 回転電機 |
CN113131642B (zh) * | 2019-12-30 | 2023-01-31 | 安徽威灵汽车部件有限公司 | 电机的转子、驱动电机和车辆 |
JP7367552B2 (ja) | 2020-02-17 | 2023-10-24 | 株式会社デンソー | ロータ |
JP7318568B2 (ja) * | 2020-03-09 | 2023-08-01 | トヨタ自動車株式会社 | 回転電機 |
EP4220899A4 (en) | 2021-01-08 | 2024-04-17 | Aisin Corp | ROTOR CORE |
CN112968552B (zh) * | 2021-01-26 | 2022-07-15 | 珠海格力电器股份有限公司 | 转子组件和自起动永磁同步磁阻电机 |
JP7396311B2 (ja) | 2021-02-09 | 2023-12-12 | トヨタ自動車株式会社 | 回転電機用ロータ |
JP7090773B1 (ja) * | 2021-04-01 | 2022-06-24 | 三菱電機株式会社 | 回転電機 |
CN114157064B (zh) * | 2021-10-26 | 2023-01-03 | 江阴市海达电机冲片有限公司 | 一种w型混合励磁永磁磁阻电机转子结构 |
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-
2017
- 2017-09-15 JP JP2017177895A patent/JP6879140B2/ja active Active
-
2018
- 2018-09-07 RU RU2018132051A patent/RU2689311C1/ru active
- 2018-09-07 US US16/125,147 patent/US10686341B2/en active Active
- 2018-09-10 KR KR1020180107593A patent/KR102079486B1/ko active IP Right Grant
- 2018-09-12 BR BR102018068509-0A patent/BR102018068509B1/pt active IP Right Grant
- 2018-09-12 EP EP18194097.4A patent/EP3457534B1/en active Active
- 2018-09-13 CN CN201811065516.9A patent/CN109510347B/zh active Active
- 2018-09-13 CN CN202110028147.1A patent/CN112838693B/zh active Active
Also Published As
Publication number | Publication date |
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CN109510347B (zh) | 2021-01-26 |
KR20190031152A (ko) | 2019-03-25 |
JP2019054659A (ja) | 2019-04-04 |
US20190089216A1 (en) | 2019-03-21 |
BR102018068509A2 (pt) | 2019-04-16 |
EP3457534B1 (en) | 2022-09-21 |
EP3457534A1 (en) | 2019-03-20 |
US10686341B2 (en) | 2020-06-16 |
CN109510347A (zh) | 2019-03-22 |
KR102079486B1 (ko) | 2020-02-20 |
CN112838693B (zh) | 2023-12-05 |
RU2689311C1 (ru) | 2019-05-27 |
CN112838693A (zh) | 2021-05-25 |
BR102018068509B1 (pt) | 2023-11-21 |
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