CN116472658B - 旋转电机以及电动助力转向装置 - Google Patents

旋转电机以及电动助力转向装置

Info

Publication number
CN116472658B
CN116472658B CN202080106464.4A CN202080106464A CN116472658B CN 116472658 B CN116472658 B CN 116472658B CN 202080106464 A CN202080106464 A CN 202080106464A CN 116472658 B CN116472658 B CN 116472658B
Authority
CN
China
Prior art keywords
rotor
permanent magnet
stator
electric machine
torque ripple
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.)
Active
Application number
CN202080106464.4A
Other languages
English (en)
Chinese (zh)
Other versions
CN116472658A (zh
Inventor
廣谷迪
元吉研太
池田纮子
藤仓昇平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of CN116472658A publication Critical patent/CN116472658A/zh
Application granted granted Critical
Publication of CN116472658B publication Critical patent/CN116472658B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H02K21/16—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having annular armature cores with salient poles
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/02—Details of the magnetic circuit characterised by the magnetic material
    • 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
    • H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
    • 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
    • H02K1/2781—Magnets shaped to vary the mechanical air gap between the magnets and the stator
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K16/00—Machines with more than one rotor or stator
    • H02K16/02—Machines with one stator and two or more rotors
    • 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
    • H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
    • H02K2201/03—Machines characterised by aspects of the air-gap between rotor and stator
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Power Steering Mechanism (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
CN202080106464.4A 2020-10-27 2020-10-27 旋转电机以及电动助力转向装置 Active CN116472658B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/040201 WO2022091198A1 (ja) 2020-10-27 2020-10-27 回転電機および電動パワーステアリング装置

Publications (2)

Publication Number Publication Date
CN116472658A CN116472658A (zh) 2023-07-21
CN116472658B true CN116472658B (zh) 2025-10-10

Family

ID=81382177

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080106464.4A Active CN116472658B (zh) 2020-10-27 2020-10-27 旋转电机以及电动助力转向装置

Country Status (5)

Country Link
US (1) US12506373B2 (https=)
EP (1) EP4239858A4 (https=)
JP (1) JP7475482B2 (https=)
CN (1) CN116472658B (https=)
WO (1) WO2022091198A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6896029B2 (ja) * 2019-08-19 2021-06-30 三菱電機株式会社 回転電機
JP2025080645A (ja) * 2023-11-14 2025-05-26 株式会社エフ・シー・シー モータの回転子およびモータの回転子を備えたモータ

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110915106A (zh) * 2017-07-20 2020-03-24 株式会社美姿把 马达以及无刷雨刮器马达

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6940205B1 (en) 1997-09-08 2005-09-06 Matsushita Electric Industrial Co., Ltd. Permanent magnet synchronous motor
JP3076006B2 (ja) 1997-09-08 2000-08-14 松下電器産業株式会社 永久磁石同期電動機
JP2003284276A (ja) * 2002-03-25 2003-10-03 Mitsubishi Electric Corp 回転電機
JP4415634B2 (ja) 2002-10-18 2010-02-17 三菱電機株式会社 永久磁石式回転電機
US7067948B2 (en) * 2002-10-18 2006-06-27 Mitsubishi Denki Kabushiki Kaisha Permanent-magnet rotating machine
JP2004208341A (ja) 2002-11-05 2004-07-22 Hitachi Ltd 永久磁石式回転電機
JP2004180491A (ja) * 2002-11-11 2004-06-24 Mitsubishi Electric Corp 永久磁石式回転電機
JP4244299B2 (ja) * 2003-03-12 2009-03-25 三菱電機株式会社 電動パワーステアリング装置用永久磁石型モータ
JP4836555B2 (ja) 2005-11-24 2011-12-14 株式会社東芝 永久磁石型モータ
JP5228582B2 (ja) * 2008-04-04 2013-07-03 三菱電機株式会社 永久磁石型回転電機およびそれを用いた電動パワーステアリング装置
EP2192670A1 (de) 2008-12-01 2010-06-02 Siemens Aktiengesellschaft Permanenterregte Synchronmaschine mit 10 Polen, 12 Nuten und optimierter Läufergeometrie
WO2012032591A1 (ja) * 2010-09-06 2012-03-15 三菱電機株式会社 永久磁石型回転電機及びそれを用いた電動パワーステアリング装置
JP2013054439A (ja) * 2011-09-01 2013-03-21 Nec Corp レプリケーションシステム及びレプリケーション方法
JP2014068495A (ja) * 2012-09-27 2014-04-17 Hitachi Automotive Systems Ltd 回転電機およびそれを用いた電動パワーステアリング装置
CN106487182A (zh) * 2015-08-28 2017-03-08 德昌电机(深圳)有限公司 单相永磁电机及其制造方法
JP6411833B2 (ja) * 2014-09-22 2018-10-24 株式会社ミツバ ブラシレスモータ
JP2017017913A (ja) 2015-07-03 2017-01-19 株式会社日立製作所 回転子及び永久磁石同期モータ
CN106571725A (zh) 2015-10-09 2017-04-19 德昌电机(深圳)有限公司 气流调节装置
JP2017112778A (ja) 2015-12-18 2017-06-22 日立オートモティブシステムズエンジニアリング株式会社 永久磁石同期モータ
CN109792174B (zh) * 2016-10-05 2020-11-10 三菱电机株式会社 电动机以及空气调节装置
JP7077153B2 (ja) * 2017-07-20 2022-05-30 株式会社ミツバ モータ及びブラシレスワイパーモータ
US11289960B2 (en) 2017-07-20 2022-03-29 Mitsuba Corporation Motor and brushless wiper motor
KR102468303B1 (ko) * 2017-08-28 2022-11-17 엘지이노텍 주식회사 스테이터 및 이를 포함하는 모터
CN115296450A (zh) 2017-08-28 2022-11-04 Lg伊诺特有限公司 马达
CN209593122U (zh) * 2019-05-29 2019-11-05 山东大学 一种磁极倾斜且凸极不对称的转子及高性能永磁电机

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110915106A (zh) * 2017-07-20 2020-03-24 株式会社美姿把 马达以及无刷雨刮器马达

Also Published As

Publication number Publication date
CN116472658A (zh) 2023-07-21
WO2022091198A1 (ja) 2022-05-05
EP4239858A4 (en) 2024-01-03
JP7475482B2 (ja) 2024-04-26
JPWO2022091198A1 (https=) 2022-05-05
US20230378832A1 (en) 2023-11-23
US12506373B2 (en) 2025-12-23
EP4239858A1 (en) 2023-09-06

Similar Documents

Publication Publication Date Title
JP6249417B2 (ja) 回転電機および電動パワーステアリング装置
JP6218997B1 (ja) 回転電機、電動パワーステアリング装置および回転電機の製造方法
US9190877B2 (en) Rotor for rotating electric machine
US9172278B2 (en) Permanent magnet type rotary electric machine and electric power steering apparatus using the same
US7595575B2 (en) Motor/generator to reduce cogging torque
US20130119810A1 (en) Electric rotating machine
JP7055220B2 (ja) 回転電機
JP2009189163A (ja) モータ
JP4586717B2 (ja) モータ
CN116472658B (zh) 旋转电机以及电动助力转向装置
JP2017055560A (ja) 永久磁石式回転電機
JP6592525B2 (ja) 磁石式回転子、磁石式回転子を備える回転電機及び回転電機を備える電気自動車
JP7615913B2 (ja) 回転電機
JP2023016946A (ja) 回転電機、回転電動機駆動システム、並びに電動車両
US12519355B2 (en) Rotor
EP4329152A1 (en) Rotor
JP2022185930A (ja) 回転子及び回転電機

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant