WO2008139675A1 - 永久磁石埋設型電動機 - Google Patents

永久磁石埋設型電動機 Download PDF

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Publication number
WO2008139675A1
WO2008139675A1 PCT/JP2008/000666 JP2008000666W WO2008139675A1 WO 2008139675 A1 WO2008139675 A1 WO 2008139675A1 JP 2008000666 W JP2008000666 W JP 2008000666W WO 2008139675 A1 WO2008139675 A1 WO 2008139675A1
Authority
WO
WIPO (PCT)
Prior art keywords
permanent magnet
arc
electric motor
type electric
buried type
Prior art date
Application number
PCT/JP2008/000666
Other languages
English (en)
French (fr)
Inventor
Hu Li
Yuichi Yoshikawa
Hiroshi Murakami
Hiroki Sato
Original Assignee
Panasonic Corporation
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 Panasonic Corporation filed Critical Panasonic Corporation
Priority to JP2009513981A priority Critical patent/JP5321451B2/ja
Priority to US12/598,840 priority patent/US8405270B2/en
Priority to CN2008800136678A priority patent/CN101669266B/zh
Publication of WO2008139675A1 publication Critical patent/WO2008139675A1/ja

Links

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
    • 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
    • H02K1/27—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
    • H02K21/24—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
    • 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
    • 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
    • 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

Abstract

　回転子の回転中心Ｏと永久磁石（２５）の中央である磁極中央とを結ぶ直線をｄ軸とし、回転中心Ｏと永久磁石（２５）が互いに隣接するその中間点とを結ぶ直線をｑ軸としたとき、互いに隣接する円弧Ａ１とＡ２とは、ｄ軸側の円弧Ａ１の半径Ｒ１がｑ軸側の円弧Ａ２の半径Ｒ２よりも大きく、かつ、互いの円弧Ａ１とＡ２との交点βにおいて、ｄ軸側の円弧Ａ１の接線ｔに対するｑ軸側の円弧Ａ２の接線ｕの角度αが、－３°≦α≦２°となるように設定される。
PCT/JP2008/000666 2007-05-07 2008-03-21 永久磁石埋設型電動機 WO2008139675A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009513981A JP5321451B2 (ja) 2007-05-07 2008-03-21 永久磁石埋設型電動機
US12/598,840 US8405270B2 (en) 2007-05-07 2008-03-21 Permanent magnet buried type electric motor
CN2008800136678A CN101669266B (zh) 2007-05-07 2008-03-21 永久磁铁埋设型电动机

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007-122071 2007-05-07
JP2007122071 2007-05-07
JP2007122072 2007-05-07
JP2007-122072 2007-05-07

Publications (1)

Publication Number Publication Date
WO2008139675A1 true WO2008139675A1 (ja) 2008-11-20

Family

ID=40001901

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/000666 WO2008139675A1 (ja) 2007-05-07 2008-03-21 永久磁石埋設型電動機

Country Status (5)

Country Link
US (1) US8405270B2 (ja)
JP (1) JP5321451B2 (ja)
KR (1) KR101076570B1 (ja)
CN (1) CN101669266B (ja)
WO (1) WO2008139675A1 (ja)

Cited By (14)

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JP2010161896A (ja) * 2009-01-09 2010-07-22 Mitsubishi Electric Corp 永久磁石式回転電機の回転子
US20110012465A1 (en) * 2008-03-27 2011-01-20 Panasonic Corporation Interior permanent magnet rotor, electric motor using the same and electric device
EP2209182A3 (en) * 2009-01-15 2011-06-01 Fujitsu General Limited Permanent magnet motor
DE102010027837A1 (de) 2010-04-16 2011-10-20 Robert Bosch Gmbh Synchronmotor
WO2013011546A1 (ja) * 2011-07-15 2013-01-24 三菱電機株式会社 永久磁石埋込型モータならびにこれを用いた圧縮機、送風機および冷凍空調装置
JP2014054155A (ja) * 2012-09-10 2014-03-20 Nsk Ltd 電動機及び電動パワーステアリング装置
JP2014093852A (ja) * 2012-11-02 2014-05-19 Kubota Corp 永久磁石式同期モータ
JP2016007136A (ja) * 2013-03-25 2016-01-14 パナソニックＩｐマネジメント株式会社 永久磁石埋込型電動機およびその製造方法
CN106953440A (zh) * 2015-10-13 2017-07-14 株式会社安川电机 旋转电机、转子铁心的制造方法
JP2018110508A (ja) * 2017-01-04 2018-07-12 群光電能科技股▲ふん▼有限公司 モータ回転子及びその形成方法
WO2019044311A1 (ja) * 2017-08-30 2019-03-07 日本電産株式会社 ロータ、モータ、及び電動パワーステアリング装置
JP2020054189A (ja) * 2018-09-28 2020-04-02 ダイキン工業株式会社 ロータ、モータ、及び圧縮機
JP2020080632A (ja) * 2018-11-14 2020-05-28 瀋陽中航機電三洋制冷設備有限公司 Ｄｃモータ、及びｄｃモータを用いた回転圧縮機
US10978923B2 (en) 2017-01-31 2021-04-13 Mitsubishi Electric Corporation Electric motor, compressor, air blower, and air conditioner

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US8405270B2 (en) * 2007-05-07 2013-03-26 Panasonic Corporation Permanent magnet buried type electric motor
EP2378634A1 (en) * 2010-04-13 2011-10-19 Siemens Aktiengesellschaft Electrical machine and permanent-magnet
WO2012014728A1 (ja) * 2010-07-27 2012-02-02 日産自動車株式会社 電動機用ロータ
JP2012120326A (ja) * 2010-11-30 2012-06-21 Fujitsu General Ltd 磁石埋め込み型回転子、電動機及び電動機の組立方法
JP5413358B2 (ja) * 2010-12-07 2014-02-12 株式会社安川電機 電動機
US9369014B2 (en) * 2011-02-10 2016-06-14 Panasonic Intellectual Property Management Co., Ltd. Rotor of motor and fan driving motor including rotor
WO2012107982A1 (ja) * 2011-02-10 2012-08-16 パナソニック株式会社 モータの回転子およびそれを備えたファン駆動用モータ
DE102011080671A1 (de) * 2011-08-09 2013-02-14 Siemens Aktiengesellschaft Rotor für eine permanentmagnetische Maschine
JP5762569B2 (ja) * 2011-12-26 2015-08-12 三菱電機株式会社 永久磁石埋込型モータの回転子ならびにこれを用いた圧縮機、送風機および冷凍空調装置
CN103187844B (zh) * 2011-12-28 2015-12-02 爱德利科技股份有限公司 内置式永久磁铁马达
ITPN20120005A1 (it) * 2012-01-25 2013-07-26 Nidec Sole Motor Corp S R L Motore elettrico a magneti permanenti con rotore perfezionato
FR2988235B1 (fr) * 2012-03-19 2014-04-18 Faurecia Bloc Avant Moteur sans balai a performances optimisees
ES2482040B1 (es) * 2013-01-31 2015-08-14 Gamesa Innovation & Technology, S.L. Disposición constructiva de un rotor de imanes permanentes de un generador
WO2014122947A1 (ja) * 2013-02-08 2014-08-14 富士電機株式会社 永久磁石埋め込み式回転電機
JP6379462B2 (ja) * 2013-09-03 2018-08-29 富士電機株式会社 永久磁石埋め込み式回転電機
WO2015037127A1 (ja) * 2013-09-13 2015-03-19 三菱電機株式会社 永久磁石埋込型電動機、圧縮機及び冷凍空調装置
US9866080B2 (en) * 2013-12-30 2018-01-09 Samsung Electronics Co., Ltd. Compressor, motor included therein, and method for manufacturing the motor
KR102218007B1 (ko) * 2013-12-30 2021-02-23 삼성전자주식회사 압축기, 그에 포함되는 전동기 및 전동기의 제조 방법
CN106165259B (zh) * 2014-04-08 2018-07-03 三菱电机株式会社 永磁体埋入型旋转电机
JP2016010176A (ja) * 2014-06-20 2016-01-18 日本電産株式会社 モータ
JP6210161B2 (ja) * 2014-08-11 2017-10-11 富士電機株式会社 回転電機
CN105186816B (zh) * 2015-07-16 2018-08-03 博格思众（常州）电机电器有限公司 定子和转子的组合结构
CN204858787U (zh) * 2015-07-30 2015-12-09 中山大洋电机股份有限公司 一种转子冲片及其应用的永磁电机
JP6509355B2 (ja) * 2015-09-30 2019-05-08 三菱電機株式会社 電動パワーステアリング用永久磁石モータ
DE102015219488A1 (de) * 2015-10-08 2017-04-13 BSH Hausgeräte GmbH Elektrischer Antriebsmotor
KR102491657B1 (ko) 2015-10-08 2023-01-26 삼성전자주식회사 전동기 및 이를 포함하는 압축기
JP6231534B2 (ja) * 2015-11-17 2017-11-15 ファナック株式会社 ロータ形状を最適化した電動機
CN105576867B (zh) * 2016-02-17 2019-03-22 珠海格力节能环保制冷技术研究中心有限公司 一种永磁电机转子及永磁电机
US11121593B2 (en) * 2016-03-25 2021-09-14 Mitsubishi Electric Corporation Rotor, motor, compressor, and refrigeration air conditioner
CN106160383A (zh) * 2016-07-19 2016-11-23 中国第汽车股份有限公司 一种用于新能源车的集中绕组内置式永磁同步电机
KR102632774B1 (ko) 2016-12-14 2024-02-05 에이치엘만도 주식회사 계자 권선형 모터용 로터 및 이를 구비한 계자 권선형 모터
JP6740940B2 (ja) * 2017-03-16 2020-08-19 トヨタ自動車株式会社 回転電機のロータ
CN107528400B (zh) * 2017-09-30 2021-07-30 广东美芝制冷设备有限公司 电机转子、永磁电机和压缩机
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CN208589826U (zh) 2018-06-11 2019-03-08 宝龙电子集团有限公司 一种驱动马达
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Cited By (25)

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US20110012465A1 (en) * 2008-03-27 2011-01-20 Panasonic Corporation Interior permanent magnet rotor, electric motor using the same and electric device
US8344570B2 (en) * 2008-03-27 2013-01-01 Panasonic Corporation Interior permanent magnet rotor, electric motor using the same and electric device
JP2010161896A (ja) * 2009-01-09 2010-07-22 Mitsubishi Electric Corp 永久磁石式回転電機の回転子
EP2209182A3 (en) * 2009-01-15 2011-06-01 Fujitsu General Limited Permanent magnet motor
DE102010027837A1 (de) 2010-04-16 2011-10-20 Robert Bosch Gmbh Synchronmotor
JPWO2013011546A1 (ja) * 2011-07-15 2015-02-23 三菱電機株式会社 永久磁石埋込型モータならびにこれを用いた圧縮機、送風機および冷凍空調装置
WO2013011546A1 (ja) * 2011-07-15 2013-01-24 三菱電機株式会社 永久磁石埋込型モータならびにこれを用いた圧縮機、送風機および冷凍空調装置
US9369015B2 (en) 2011-07-15 2016-06-14 Mitsubishi Electric Corporation Permanent magnet embedded motor and compressor, blower, and refrigerating and air conditioning apparatus using permanent magnet embedded motor
JP2014054155A (ja) * 2012-09-10 2014-03-20 Nsk Ltd 電動機及び電動パワーステアリング装置
JP2014093852A (ja) * 2012-11-02 2014-05-19 Kubota Corp 永久磁石式同期モータ
JP2016007136A (ja) * 2013-03-25 2016-01-14 パナソニックＩｐマネジメント株式会社 永久磁石埋込型電動機およびその製造方法
JPWO2014156090A1 (ja) * 2013-03-25 2017-02-16 パナソニックＩｐマネジメント株式会社 永久磁石埋込型電動機およびその製造方法
US9893575B2 (en) 2013-03-25 2018-02-13 Panasonic Intellectual Property Management Co., Ltd. Permanent-magnet-embedded electric motor and method for manufacturing same
CN106953440A (zh) * 2015-10-13 2017-07-14 株式会社安川电机 旋转电机、转子铁心的制造方法
CN106953440B (zh) * 2015-10-13 2020-07-07 株式会社安川电机 旋转电机、转子铁心的制造方法
JP2018110508A (ja) * 2017-01-04 2018-07-12 群光電能科技股▲ふん▼有限公司 モータ回転子及びその形成方法
US10978923B2 (en) 2017-01-31 2021-04-13 Mitsubishi Electric Corporation Electric motor, compressor, air blower, and air conditioner
WO2019044311A1 (ja) * 2017-08-30 2019-03-07 日本電産株式会社 ロータ、モータ、及び電動パワーステアリング装置
DE112018004907T5 (de) 2017-08-30 2020-06-10 Nidec Corporation Rotor, motor und elektrische servolenkungsvorrichtung
JPWO2019044311A1 (ja) * 2017-08-30 2020-08-13 日本電産株式会社 ロータ、モータ、及び電動パワーステアリング装置
JP2020054189A (ja) * 2018-09-28 2020-04-02 ダイキン工業株式会社 ロータ、モータ、及び圧縮機
WO2020066368A1 (ja) * 2018-09-28 2020-04-02 ダイキン工業株式会社 ロータ、モータ、及び圧縮機
US11936244B2 (en) 2018-09-28 2024-03-19 Daikin Industries, Ltd. Rotor, motor, and compressor
JP2020080632A (ja) * 2018-11-14 2020-05-28 瀋陽中航機電三洋制冷設備有限公司 Ｄｃモータ、及びｄｃモータを用いた回転圧縮機
JP7290411B2 (ja) 2018-11-14 2023-06-13 瀋陽中航機電三洋制冷設備有限公司 Ｄｃモータ、及びｄｃモータを用いた回転圧縮機

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KR20090127935A (ko) 2009-12-14
US8405270B2 (en) 2013-03-26
CN101669266B (zh) 2013-08-28
CN101669266A (zh) 2010-03-10

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