JP2005086955A5 - - Google Patents

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Publication number
JP2005086955A5
JP2005086955A5 JP2003318985A JP2003318985A JP2005086955A5 JP 2005086955 A5 JP2005086955 A5 JP 2005086955A5 JP 2003318985 A JP2003318985 A JP 2003318985A JP 2003318985 A JP2003318985 A JP 2003318985A JP 2005086955 A5 JP2005086955 A5 JP 2005086955A5
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JP
Japan
Prior art keywords
permanent magnet
rotor
rotating machine
outer peripheral
magnet rotating
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JP2003318985A
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Japanese (ja)
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JP3913205B2 (en
JP2005086955A (en
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Priority to JP2003318985A priority Critical patent/JP3913205B2/en
Priority claimed from JP2003318985A external-priority patent/JP3913205B2/en
Publication of JP2005086955A publication Critical patent/JP2005086955A/en
Publication of JP2005086955A5 publication Critical patent/JP2005086955A5/ja
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Publication of JP3913205B2 publication Critical patent/JP3913205B2/en
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Expired - Lifetime legal-status Critical Current

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Claims (5)

固定子巻線を収容するスロットを形成し、回転子の外周部と対向する部分にティース先端部を有するティース部が設けられている固定子と、ティース先端部と間隙を介して配置されている回転子とを備え、回転子には、回転子の軸方向に直角な断面において、永久磁石が収容される磁石収容孔が設けられている主磁極部と補助磁極部が周方向に交互に配置されており、スロットには、固定子巻線が分布巻方式により収容されている永久磁石回転機であって、
回転子の外周部は、主磁極部のｄ軸と交差し、凸部側が外周方向を向いた第１の曲線部分と、補助磁極部のｑ軸と交差し、凸部側が外周方向を向いた第２の曲線部分が交互に接続されて形成され、第２の曲線部分の曲率半径が第１の曲線部分の曲率半径より大きく設定されているとともに、第１の曲線部分の開角（機械角）をθ、回転子の極対数をＰとした時、
［（４４／Ｐ）度≦θ≦（９０／Ｐ）度］
を満足するように構成されている、永久磁石回転機。 A stator is formed in which a slot for accommodating a stator winding is formed, and a tooth portion having a tooth tip portion is provided at a portion facing the outer peripheral portion of the rotor, and the tooth tip portion is disposed with a gap therebetween The rotor is provided with a main magnetic pole portion and an auxiliary magnetic pole portion in which a permanent magnet is accommodated alternately in the circumferential direction in a cross section perpendicular to the axial direction of the rotor. The slot is a permanent magnet rotating machine in which the stator winding is accommodated by the distributed winding method,
The outer periphery of the rotor intersects the d-axis of the main magnetic pole part, the first curved part whose convex part side faces the outer peripheral direction, and the q axis of the auxiliary magnetic pole part intersects, and the convex part side faces the outer peripheral direction. The second curved portion is formed by being alternately connected, the radius of curvature of the second curved portion is set larger than the radius of curvature of the first curved portion, and the opening angle (mechanical angle) of the first curved portion. ) Is θ and the number of pole pairs of the rotor is P,
[(44 / P) degrees ≦ θ ≦ (90 / P) degrees]
A permanent magnet rotating machine that is configured to satisfy 請求項１に記載の永久磁石回転機であって、回転子の外周部とティース先端部との間隙の中で最も短い間隙をｇ、回転子の中心から外周部までの距離の中で最も長い距離Ｒを半径とする外周線と第２の曲線部分との間の距離の中で最も長い距離をＤとした時、
［{１／ｓｉｎ（Ｐ×θ）×ｇ ２ }mm≦Ｄ≦
{（ｇ／１０）×Ｐ×（θ／２）−ｇ}mm］
を満足するように構成されている、永久磁石回転機。 2. The permanent magnet rotating machine according to claim 1, wherein g is the shortest gap among the gaps between the outer peripheral portion of the rotor and the tip of the teeth, and is the longest distance from the center of the rotor to the outer peripheral portion. When the longest distance among the distances between the outer peripheral line having the radius of the distance R and the second curved portion is D,
[{1 / sin (P × θ) × g 2 } mm ≦ D ≦
{(G / 10) × P × (θ / 2) −g} mm]
A permanent magnet rotating machine that is configured to satisfy 請求項１または２に記載の永久磁石回転機であって、第１の曲線部分はｄ軸上に曲率中心を有する円弧形状に形成され、第２の曲線部分はｑ軸上に曲率中心を有する円弧形状に形成されている、永久磁石回転機。   3. The permanent magnet rotating machine according to claim 1, wherein the first curved portion is formed in an arc shape having a center of curvature on the d axis, and the second curved portion has a center of curvature on the q axis. A permanent magnet rotating machine formed in an arc shape. 請求項１〜３のいずれかに記載の永久磁石回転機であって、磁石収容孔は、主磁極部の中央部にブリッジ部が形成されるように設けられている、永久磁石回転機。   The permanent magnet rotating machine according to any one of claims 1 to 3, wherein the magnet accommodation hole is provided so that a bridge portion is formed at a central portion of the main magnetic pole portion. 請求項１〜４のいずれかに記載の永久磁石回転機であって、永久磁石の端部より回転子の外周部側に空隙部が設けられている、永久磁石回転機。  The permanent magnet rotating machine according to any one of claims 1 to 4, wherein a gap is provided on an outer peripheral side of the rotor from an end of the permanent magnet.
JP2003318985A 2003-09-10 2003-09-10 Permanent magnet rotating machine Expired - Lifetime JP3913205B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003318985A JP3913205B2 (en) 2003-09-10 2003-09-10 Permanent magnet rotating machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003318985A JP3913205B2 (en) 2003-09-10 2003-09-10 Permanent magnet rotating machine

Publications (3)

Publication Number Publication Date
JP2005086955A JP2005086955A (en) 2005-03-31
JP2005086955A5 true JP2005086955A5 (en) 2006-06-08
JP3913205B2 JP3913205B2 (en) 2007-05-09

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ID=34418097

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003318985A Expired - Lifetime JP3913205B2 (en) 2003-09-10 2003-09-10 Permanent magnet rotating machine

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JP (1) JP3913205B2 (en)

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JP4815204B2 (en) * 2005-12-01 2011-11-16 アイチエレック株式会社 Permanent magnet rotating machine and compressor
JP4898201B2 (en) 2005-12-01 2012-03-14 アイチエレック株式会社 Permanent magnet rotating machine
JP4793027B2 (en) 2006-02-28 2011-10-12 株式会社豊田自動織機 Permanent magnet embedded rotary electric machine, motor for car air conditioner and hermetic electric compressor
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JP5412978B2 (en) * 2009-06-17 2014-02-12 株式会社明電舎 Permanent magnet embedded rotary electric machine
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JP5331761B2 (en) 2010-08-09 2013-10-30 株式会社日立製作所 Permanent magnet rotating electric machine
JP5835928B2 (en) 2011-04-15 2015-12-24 三菱重工業株式会社 Electric motor and electric compressor using the same
CN102377264B (en) * 2011-11-21 2014-03-19 浙江迈雷科技有限公司 Rotor structure of permanent magnet synchronous motor and permanent magnet synchronous motor
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KR101628828B1 (en) * 2014-10-13 2016-06-09 재단법인한국조선해양기자재연구원 IPMSM(Interior Permanent Magnet Synchronous Motor) with forced air cooling structure for
JP6133350B2 (en) * 2015-03-31 2017-05-24 アイチエレック株式会社 Permanent magnet motor and compressor
JP6506649B6 (en) * 2015-07-27 2019-06-05 日立グローバルライフソリューションズ株式会社 Permanent magnet synchronous machine and apparatus using the same
CN105576924B (en) * 2015-12-24 2018-01-02 东南大学 A kind of built-in permanent-magnet synchronous motor
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JP2017123782A (en) * 2017-04-18 2017-07-13 アイチエレック株式会社 Permanent magnet motor and compressor
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WO2021114141A1 (en) * 2019-12-11 2021-06-17 安徽美芝精密制造有限公司 Motor, compressor, and refrigeration device
CN113964982A (en) * 2021-08-23 2022-01-21 广东金霸智能科技股份有限公司 Permanent magnet motor

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