WO2013157100A1 - Stator, moteur, soufflante, et procédé de fabrication de stator - Google Patents

Stator, moteur, soufflante, et procédé de fabrication de stator Download PDF

Info

Publication number
WO2013157100A1
WO2013157100A1 PCT/JP2012/060499 JP2012060499W WO2013157100A1 WO 2013157100 A1 WO2013157100 A1 WO 2013157100A1 JP 2012060499 W JP2012060499 W JP 2012060499W WO 2013157100 A1 WO2013157100 A1 WO 2013157100A1
Authority
WO
WIPO (PCT)
Prior art keywords
stator
teeth
phase
winding
fitted
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.)
Ceased
Application number
PCT/JP2012/060499
Other languages
English (en)
Japanese (ja)
Inventor
正樹 亀山
晋也 大石
出口　学
敏彦 水谷
隆之 鬼橋
克紀 福與
鈴木　高志
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
Priority to HK14112831.2A priority Critical patent/HK1199328A1/xx
Priority to CN201280070052.5A priority patent/CN104126267A/zh
Priority to MYPI2014702763A priority patent/MY171529A/en
Priority to PCT/JP2012/060499 priority patent/WO2013157100A1/fr
Priority to JP2014511025A priority patent/JP5944984B2/ja
Publication of WO2013157100A1 publication Critical patent/WO2013157100A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • H02K1/12—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
    • H02K1/148—Sectional cores
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/08—Forming windings by laying conductors into or around core parts
    • H02K15/095—Forming windings by laying conductors into or around core parts by laying conductors around salient poles
    • 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
    • H02K3/28—Layout of windings or of connections between windings

Definitions

  • the present invention relates to a stator, a motor, a blower, and a stator manufacturing method.
  • the inner and outer diameters are laser-welded to form laminated core pieces, and the laminated core pieces
  • a stator of a rotating electrical machine comprising a winding portion orthogonal to a pole tooth portion of a piece, wherein a predetermined number of the laminated core pieces are connected in an annular shape, and an outer peripheral portion of a connecting surface is fixed by laser welding in a lamination direction. It is disclosed (for example, see Patent Document 1).
  • an iron core obtained by dividing and laminating a pole tooth portion having a joint and pole teeth for each pole tooth unit, a winding portion applied to the pole teeth of this laminated core, and a predetermined number of laminated cores are combined in a cylindrical shape.
  • a stator of a rotating electrical machine is disclosed that includes an annular structure that covers an outer peripheral portion of a cylindrical body and presses the laminated iron core in an inner diameter direction (see, for example, Patent Document 2).
  • Patent Document 1 a predetermined number of laminated core pieces are bonded in an annular shape, and the outer peripheral portion of the bonding surface is fixed by laser welding in the stacking direction. Therefore, if the rigidity and roundness of the stator is low and the roundness is low, there is a problem that the electromagnetic excitation force increases due to an increase in spatial harmonics, and the vibration and noise of the motor increase.
  • the present invention has been made in view of the above, and an object of the present invention is to obtain a stator having high rigidity and roundness without requiring an annular structure or the like while being capable of winding a winding with high density.
  • the present invention provides an annular yoke in which a plurality of recesses are provided at equal intervals on an inner peripheral portion, and a state before being fitted and fixed to the recesses.
  • the same phase winding is concentrated and wound in series for each AC phase group, and the teeth are alternately fitted and fixed in the recess so that different phase groups are adjacent to each other after the winding.
  • the stator according to the present invention can be wound with high density and has the effect of high rigidity and roundness without external fitting of an annular structure or the like.
  • FIG. 1 is a front view showing a stator core according to a first embodiment of a stator according to the present invention.
  • FIG. 2 is a front view of the stator core according to the first embodiment in an exploded state.
  • FIG. 3 is a front view showing a state where winding is performed on the same phase teeth of the stator core of the first embodiment.
  • FIG. 4 is a front view showing the stator core coupled insulator according to the first embodiment.
  • FIG. 5 is a front view showing a state in which teeth after winding of the stator core of the first embodiment are arranged in an annular shape.
  • FIG. 6 is a front view showing the stator of the first embodiment.
  • FIG. 7 is a front view showing a stator core according to the second embodiment of the stator of the present invention.
  • FIG. 8 is a front view of a state in which the stator core of the second embodiment is disassembled.
  • FIG. 9 is a front view showing a state where winding is performed on the same phase teeth of the stator core of the second embodiment.
  • FIG. 10 is a partial sectional view of a motor incorporating the stator of the first embodiment.
  • FIG. 11A is a front view of a ventilation fan incorporating the motor according to the third embodiment.
  • FIG. 11-2 is a side view of the ventilation fan incorporating the motor according to the third embodiment.
  • FIG. 1 is a front view showing a stator core according to a first embodiment of the stator according to the present invention
  • FIG. 2 is a front view of the stator core according to the first embodiment in an exploded state
  • FIG. FIG. 4 is a front view showing a state in which winding is performed on teeth of the same phase of one stator core
  • FIG. 4 is a front view showing a connected type insulator of the stator core of Embodiment 1
  • FIG. FIG. 6 is a front view showing a state in which teeth after winding of the stator core of Embodiment 1 are arranged in an annular shape
  • FIG. 6 is a front view showing the stator of Embodiment 1;
  • the stator core 10 includes an annular yoke 11 and base end portions 12 a in recesses 11 a provided at eight positions on the inner peripheral portion of the yoke 11 at equal intervals. And a tooth 12 to be fitted and fixed.
  • the stator core 10 according to the first embodiment is a stator core of a single-phase 8-slot 4-pole concentrated winding motor.
  • the stator core 10 Before winding the stator core 10, as shown in FIG. 2, the stator core 10 is disassembled into a yoke 11 and a tooth 12, and a U-phase winding in which a single-phase AC U-phase winding is concentrated is wound. It is divided into a phase group 12U and a V-phase group 12V in which V-phase windings are concentrated.
  • the U-phase group 12U is a group of three teeth 12 at different angles by 90 ° from one tooth 12 and one tooth 12
  • the V-phase group 12V is a tooth 12 adjacent to one tooth 12 and This is a group of three teeth 12 at a location where the angle differs by 90 ° from the adjacent teeth 12.
  • U-phase windings 60 are concentratedly wound in series on the U-phase group 12U of the teeth 12.
  • a V-phase winding 60 is concentratedly wound in series in the V-phase group 12V.
  • An insulator 51 is attached to the teeth 12 so as to be sandwiched from above and below, and windings 60 are concentrated in series on four teeth 12 of the same phase arranged in a circle by a winding machine (not shown) provided with a nozzle 70. Roll it up.
  • the four teeth 12 are arranged with the yoke 11 removed, and are spaced apart from each other by 90 °, so that the nozzle 70 does not interfere with the winding 60 of the adjacent tooth 12, and the winding 60 is easy to wind.
  • the winding 60 can be wound with high density.
  • connection type insulator 52 in which teeth covering portions 52 a separated from each other by 90 ° are connected by a connecting portion 52 b, and are circularly shaped. Winding may be performed on the four teeth 12 arranged side by side. Since the connection type insulator 52 has high rigidity, the four teeth 12 can be firmly fixed, and the winding 60 can be easily wound.
  • the teeth 12 of the U-phase group 12U and the teeth 12 of the V-phase group 12V are alternately arranged in an annular shape. To place. At this time, when the connection parts 52b of the connection type insulator 52 interfere with each other, the connection part 52b is cut off.
  • stator 81 of the first embodiment is completed.
  • the stator 81 has a high roundness and rigidity because the yoke 11 has an annular shape and is not divided.
  • the teeth 12 are divided into a U-phase group 12U and a V-phase group 12V and are separated from each other at an interval of 90 °, the winding 60 is wound, so that the winding 60 can be wound with high density.
  • FIG. 7 is a front view showing a stator core according to a second embodiment of the stator according to the present invention
  • FIG. 8 is a front view of the stator core according to the second embodiment in an exploded state
  • FIG. It is a front view which shows the state which is winding to the teeth of the same phase of 2 stator cores.
  • the stator core 20 according to the second embodiment includes an annular yoke 21 and a base end portion 22 a in recesses 21 a provided at equal intervals at 18 locations on the inner peripheral portion of the yoke 21.
  • the teeth 22 are fitted and fixed.
  • the stator core 20 according to the second embodiment is a stator core of a three-phase 18 slot 6 pole concentrated winding motor.
  • the stator core 20 Before winding the stator core 20, as shown in FIG. 8, the stator core 20 is disassembled into a yoke 21 and a tooth 22, and a U-phase winding in which U-phase windings of a three-phase alternating current are concentratedly wound.
  • the phase group 22U is divided into a V-phase group 22V in which a V-phase winding is concentrated and a W-phase group 22W in which a W-phase winding is concentrated.
  • the U-phase group 22U is a group of six teeth 22 that are different in phase by 60 ° from one tooth 22 and one tooth 22, and the V-phase group 22V is a tooth 22 adjacent to one tooth 12 and A group of six teeth 22 having a phase difference of 60 ° from the adjacent teeth 22, and the W-phase group 22 ⁇ / b> W includes two teeth 22 adjacent to one tooth 12 and 60 ° from two adjacent teeth 22. This is a group of six teeth 22 at different phases.
  • U-phase windings 60 are concentratedly wound in series on the six teeth 22 of the U-phase group 22U (only three are shown in FIG. 9).
  • An insulator 54 is attached to the teeth 22 so as to be sandwiched from the front and rear, and winding is performed on the six U-phase teeth 22 arranged in a straight line by a winding machine (not shown).
  • the six teeth 22 are linearly spaced apart from each other with the yoke 21 removed, so that the nozzle of the winding machine (not shown) does not interfere with the winding 60 of the adjacent tooth 22 and is wound.
  • the wire 60 can be easily wound, and the winding 60 can be wound with high density.
  • the V-phase and W-phase windings are performed on the six teeth 22 of the V-phase group 22V and the W-phase group 22W in the same manner as described above.
  • the six teeth 22 of each phase are arranged in a straight line and the winding is performed.
  • the arrangement is arbitrary, and may be arranged in a circle, for example.
  • the teeth 22 of the U-phase group 22U, the teeth 22 of the V-phase group 22V, and the teeth 22 of the W-phase group 22W are not shown. Are arranged in an annular shape alternately so that the teeth 22 of different phase groups are adjacent to each other.
  • the base end portions 22a of the 18 teeth 22 arranged in an annular shape are fitted and fixed to the concave portions 21a of the yoke 21, the three-phase 18 slot 6 pole concentrated winding stator of the second embodiment (see FIG. (Not shown) is completed.
  • the yoke 21 is annular and is not divided, the roundness and the rigidity are high.
  • stator 81 of the single-phase 8-slot 4-pole concentrated winding motor and the stator of the 3-phase 18-slot 6-pole concentrated winding motor have been described. Regardless of the number, a stator with high roundness, rigidity and winding density can be obtained.
  • FIG. 10 is a partial cross-sectional view of a motor incorporating the stator of the first embodiment
  • FIG. 11-1 is a front view of a ventilation fan incorporating the motor of the third embodiment
  • FIG. FIG. 5 is a side view of a ventilation fan incorporating the motor according to the third embodiment.
  • the motor 90 includes a frame 91 in which a front bearing holding portion 91 a is formed at the center of the front end plate, and a winding 60 wound around the insulator 51 to form a cylindrical shape of the frame 91.
  • the stator 81 according to the first embodiment (which may be the stator according to the second embodiment) fitted in the body portion, the outer peripheral portion of the front end is fitted to the stator 81 and connected to the frame 91, and the center of the rear end plate
  • the rear bearing 93b is formed on the cover 92 and the front bearing 93a fitted to the rotary shaft 93c is held on the front bearing holding portion 91a of the frame 91 and the rear bearing 93b fitted on the rotary shaft 93c is rear.
  • a rotor 93 that is held in the bearing holding portion 92a and disposed in the stator 81.
  • stator is not rigid like the stator of a conventional rotating electric machine, when the roundness of the frame and the cover is low, the roundness of the stator is low, and a high-precision motor cannot be obtained.
  • the stator 81 is not deformed, is highly accurate, has windings wound at high density, and has low vibration. Low noise, low power consumption and long life.
  • the ventilation fan 100 according to the third embodiment as a blower has the frame 101 mounted with the motor 90 according to the third embodiment that drives the fan 102.
  • the ventilation fan 100 as a blower is equipped with the motor 90 of the third embodiment, and thus has low vibration, low noise, low power consumption, and long life.
  • the motor 90 of the third embodiment can be mounted on a fan as a blower.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Windings For Motors And Generators (AREA)

Abstract

La présente invention concerne un stator, comprenant : un accouplement annulaire comprenant une pluralité de renfoncements disposés à intervalles égaux dans la périphérie interne ; et des dents qui, dans un état avant ajustement et fixation dans les renfoncements, sont bobinées en série de manière concentrée avec du fil de bobinage de la même phase pour chaque groupe de phase en courant alternatif, et qui, après bobinage, sont ajustées et fixées dans les renfoncements en alternance de façon à ce que les groupes de phase différente soient adjacents les uns par rapport aux autres. L'invention concerne en outre un procédé de fabrication de stator comprenant un fil de bobinage bobiné autour du noyau de stator formé en ayant un accouplement annulaire comprenant une pluralité de renfoncements disposés à intervalles égaux dans la périphérie interne, et des dents ajustées et fixées dans les renfoncements, ledit procédé impliquant les étapes suivantes : une étape consistant, dans un état avant ajustement et fixation des dents dans les renfoncements, à bobiner en série de manière concentrée avec du fil de bobinage de la même phase les dents de chaque groupe de phase en courant alternatif ; et une étape consistant, après le bobinage, à ajuster et à fixer les dents dans les renfoncements en alternance de façon à ce que les groupes de phase différente soient adjacents les uns par rapport aux autres.
PCT/JP2012/060499 2012-04-18 2012-04-18 Stator, moteur, soufflante, et procédé de fabrication de stator Ceased WO2013157100A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
HK14112831.2A HK1199328A1 (en) 2012-04-18 2012-04-18 Stator, motor, blower, and stator manufacturing method
CN201280070052.5A CN104126267A (zh) 2012-04-18 2012-04-18 定子、电机、送风机以及定子的制造方法
MYPI2014702763A MY171529A (en) 2012-04-18 2012-04-18 Stator, motor, blower, and manufacturing method of stator
PCT/JP2012/060499 WO2013157100A1 (fr) 2012-04-18 2012-04-18 Stator, moteur, soufflante, et procédé de fabrication de stator
JP2014511025A JP5944984B2 (ja) 2012-04-18 2012-04-18 ステータの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2012/060499 WO2013157100A1 (fr) 2012-04-18 2012-04-18 Stator, moteur, soufflante, et procédé de fabrication de stator

Publications (1)

Publication Number Publication Date
WO2013157100A1 true WO2013157100A1 (fr) 2013-10-24

Family

ID=49383085

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/060499 Ceased WO2013157100A1 (fr) 2012-04-18 2012-04-18 Stator, moteur, soufflante, et procédé de fabrication de stator

Country Status (4)

Country Link
JP (1) JP5944984B2 (fr)
CN (1) CN104126267A (fr)
HK (1) HK1199328A1 (fr)
WO (1) WO2013157100A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12297865B2 (en) 2021-05-21 2025-05-13 Carrier Corporation Winding method for radial magnetic bearing stator, a radial magnetic bearing stator and a radial magnetic bearing

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109038875B (zh) * 2018-10-24 2024-11-08 浙江禾川科技股份有限公司 一种电机及其定子铁芯

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10309048A (ja) * 1997-04-30 1998-11-17 Toshiba Corp 電動機のステータ及びその製造方法
JP2000014095A (ja) * 1998-06-18 2000-01-14 Hitachi Ltd 歯形状固定子，そのコイル組付方法及びコイル組付装置
JP2002034190A (ja) * 2000-07-14 2002-01-31 Hitachi Ltd 回転機
JP2004242384A (ja) * 2003-02-04 2004-08-26 Nippon Densan Corp ステータ、及びこれを備えた関連機器、並びにステータの製造方法
JP2005051998A (ja) * 2004-10-12 2005-02-24 Matsushita Ecology Systems Co Ltd コンデンサ電動機の固定子およびその製造方法
JP2006203966A (ja) * 2005-01-18 2006-08-03 Mitsubishi Electric Corp 電動機及びその製造方法並びに送風機
JP2006325296A (ja) * 2005-05-17 2006-11-30 Honda Motor Co Ltd ステータの組立方法
JP2008022652A (ja) * 2006-07-13 2008-01-31 Nippon Densan Corp モータおよびポンプ
JP2010011692A (ja) * 2008-06-30 2010-01-14 Seiko Epson Corp ステータ構造、その製造方法、及び、電気機械

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004229423A (ja) * 2003-01-23 2004-08-12 Asmo Co Ltd 電機子の巻線方法、回転子コア及びモータ
JP2004260936A (ja) * 2003-02-26 2004-09-16 Asmo Co Ltd 回転電機のコア及び回転電機部材
JP2005261199A (ja) * 2005-04-27 2005-09-22 Matsushita Electric Ind Co Ltd 電動機固定子
CN101043154A (zh) * 2006-03-22 2007-09-26 广东威灵电机制造有限公司 用于异步电机的定子总成及其制备方法
JP2008236921A (ja) * 2007-03-21 2008-10-02 Denso Corp 磁気回路部品、電動モータ、燃料ポンプ、それらの製造方法
CN101159402A (zh) * 2007-11-13 2008-04-09 林小平 单相异步电动机
JP5565004B2 (ja) * 2010-03-10 2014-08-06 三菱電機株式会社 電動機、電動機の製造方法、圧縮機

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10309048A (ja) * 1997-04-30 1998-11-17 Toshiba Corp 電動機のステータ及びその製造方法
JP2000014095A (ja) * 1998-06-18 2000-01-14 Hitachi Ltd 歯形状固定子，そのコイル組付方法及びコイル組付装置
JP2002034190A (ja) * 2000-07-14 2002-01-31 Hitachi Ltd 回転機
JP2004242384A (ja) * 2003-02-04 2004-08-26 Nippon Densan Corp ステータ、及びこれを備えた関連機器、並びにステータの製造方法
JP2005051998A (ja) * 2004-10-12 2005-02-24 Matsushita Ecology Systems Co Ltd コンデンサ電動機の固定子およびその製造方法
JP2006203966A (ja) * 2005-01-18 2006-08-03 Mitsubishi Electric Corp 電動機及びその製造方法並びに送風機
JP2006325296A (ja) * 2005-05-17 2006-11-30 Honda Motor Co Ltd ステータの組立方法
JP2008022652A (ja) * 2006-07-13 2008-01-31 Nippon Densan Corp モータおよびポンプ
JP2010011692A (ja) * 2008-06-30 2010-01-14 Seiko Epson Corp ステータ構造、その製造方法、及び、電気機械

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12297865B2 (en) 2021-05-21 2025-05-13 Carrier Corporation Winding method for radial magnetic bearing stator, a radial magnetic bearing stator and a radial magnetic bearing

Also Published As

Publication number Publication date
CN104126267A (zh) 2014-10-29
JPWO2013157100A1 (ja) 2015-12-21
HK1199328A1 (en) 2015-06-26
JP5944984B2 (ja) 2016-07-05

Similar Documents

Publication Publication Date Title
US7408281B2 (en) Stator and brushless motor
JP5627819B2 (ja) ステータ、モータ、送風機及びステータの製造方法
JP5263253B2 (ja) マルチギャップ型回転電機
JP5484688B2 (ja) 電機子ラミネーション
JP5868513B2 (ja) 永久磁石埋込型電動機
JP6090987B2 (ja) 回転電機
US10931154B2 (en) Axial-gap type motor
JP2014045630A (ja) 回転電機
CN102422510A (zh) 同步电机
JPWO2018037529A1 (ja) 回転電機
JP2019068620A (ja) ロータコア、ロータ、回転電機、自動車用電動補機システム
US11336163B2 (en) Low profile axial, flux permanent magnet synchronous motor
JP5944984B2 (ja) ステータの製造方法
JP2004015998A (ja) 軸方向に分割された三相固定子巻線を有する永久磁石型回転機
JP5844204B2 (ja) ステータコアおよびそれを用いた回転電動機
JP4482918B2 (ja) リング状の固定子コイルを有する永久磁石型電動機
JP2012019605A (ja) 永久磁石回転電機
US20200099262A1 (en) Polyphase claw pole motor
JP2016034192A (ja) 固定子および回転電機
JP2015027175A (ja) 回転電機及び回転電機の製造方法
JP6463155B2 (ja) 回転電機
CN110574257A (zh) 电动马达用定子和电动马达
JP6126976B2 (ja) ステータ及びモータ
JP6310304B2 (ja) 回転電機
JP6110261B2 (ja) ステータ及びモータ

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12874884

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2014511025

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12874884

Country of ref document: EP

Kind code of ref document: A1