WO2014024973A1 - Armature et machine électrique tournante utilisant celle-ci - Google Patents

Armature et machine électrique tournante utilisant celle-ci Download PDF

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Publication number
WO2014024973A1
WO2014024973A1 PCT/JP2013/071512 JP2013071512W WO2014024973A1 WO 2014024973 A1 WO2014024973 A1 WO 2014024973A1 JP 2013071512 W JP2013071512 W JP 2013071512W WO 2014024973 A1 WO2014024973 A1 WO 2014024973A1
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WO
WIPO (PCT)
Prior art keywords
bobbin
core
main body
teeth
insulating
Prior art date
Application number
PCT/JP2013/071512
Other languages
English (en)
Japanese (ja)
Inventor
永田　孝一
優一 水元
誠一 水谷
Original Assignee
株式会社デンソー
デンソートリム株式会社
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 株式会社デンソー, デンソートリム株式会社 filed Critical 株式会社デンソー
Publication of WO2014024973A1 publication Critical patent/WO2014024973A1/fr

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • H02K3/52—Fastening salient pole windings or connections thereto
    • H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
    • H02K3/522—Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles
    • 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
    • H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
    • H02K2203/12—Machines characterised by the bobbins for supporting the windings

Definitions

  • the present invention relates to an armature and a rotating electric machine using the same.
  • an armature in which a core tooth is covered with an insulating portion of a bobbin to insulate a winding from a tooth.
  • a plurality of insulating portions of the bobbin are formed so as to extend radially outward from the annular bobbin main body.
  • Two bobbins are provided in total on one surface side and the other surface side in the axial direction of the core so as to sandwich the core so that each of the plurality of insulating portions corresponds to the plurality of teeth.
  • the insulating part of the bobbin is formed in a U-shaped cross section.
  • the bobbin is attached to the core so that the U-shaped opening of the insulating portion is fitted into the teeth.
  • the width of the U-shaped opening of the insulating portion is formed to be substantially the same as the width of the teeth from the end on the bobbin main body side to the end on the opposite side of the bobbin main body. Therefore, when the bobbin is attached to the core, it is necessary to strictly align the core and the bobbin while accurately matching the openings of the insulating portions with the plurality of teeth. Therefore, the work efficiency at the time of manufacture may decrease, and the manufacturing cost may increase.
  • the present invention has been made in view of the above-described problems, and an object of the present invention is to provide an armature in which a bobbin can be easily attached to a core, and a rotating electric machine using the armature.
  • the armature of the present invention includes a core, a bobbin, and a winding.
  • the core has an annular core body and a plurality of teeth extending radially outward from the core body.
  • the bobbin has an annular bobbin main body and a plurality of insulating portions provided on the radially outer side of the bobbin main body.
  • the bobbin is provided on one surface side and the other surface side in the axial direction of the core so as to sandwich the core so that the bobbin body corresponds to the core body and the insulating portion corresponds to the teeth. That is, a total of two bobbins are provided.
  • the winding is provided so as to be wound around the insulating portions of the two bobbins.
  • the insulating portion has a first cover portion, a second cover portion, and a deformed connection portion.
  • the first cover portion is formed in a plate shape so as to extend radially outward from the bobbin main body, and covers one side in the circumferential direction of the core main body of the teeth.
  • a 2nd cover part is formed in plate shape, and covers the other side of the circumferential direction of the core main body of teeth.
  • the deformation connecting portion connects the vicinity of the end portion of the first cover portion on the bobbin main body side and the end portion of the second cover portion on the bobbin main body side, or the vicinity of the end portion of the first cover portion opposite to the bobbin main body.
  • the end of the second cover portion opposite to the bobbin main body are connected to each other so as to be deformable.
  • the deformable connecting portion is formed to be deformable, for example, the end of the second cover portion opposite to the bobbin main body or the end on the bobbin main body side is the first cover.
  • the winding is wound. Before being turned, it can be opened, and when the winding is wound, the deformation connecting portion is deformed to be closed.
  • the core and the bobbin can be easily aligned with each other without causing the core and the bobbin to be aligned precisely. Can be attached to. Therefore, the work efficiency at the time of manufacture can be improved and the manufacturing cost can be reduced.
  • FIG. 4A is a view of FIG.
  • FIG. 4A is a view of FIG.
  • FIG. 4 is a diagram showing a state where a winding is wound around an insulating portion in a closed state.
  • FIG. 3 is a cross-sectional perspective view showing a state where a winding is wound around an insulating part in a closed state.
  • FIG. 6A is a view of FIG.
  • FIG. 6A is a view of FIG.
  • FIG. 4 is a diagram showing a state where a winding is wound around an insulating portion in a closed state.
  • Rotating electrical machine 1 is installed near the engine of a two-wheeled vehicle, for example, and generates electric power by being rotated by the rotational force of the engine. That is, in this embodiment, the rotary electric machine 1 is used as a generator for a motorcycle. The electric power generated by the rotating electrical machine 1 is stored in a battery (not shown) and supplied to various devices and devices mounted on the motorcycle such as a headlight.
  • the rotating electrical machine 1 includes an armature 10 and a rotating body 60.
  • the armature 10 includes a core 20, a bobbin 30, a winding 50, and the like.
  • the core 20 is formed in an annular shape by laminating metal plates such as iron or steel.
  • the core 20 has an annular core body 21 and a plurality of teeth 22 extending radially outward from the core body 21 (see FIG. 3). In the present embodiment, twelve teeth 22 are provided at equal intervals in the circumferential direction of the core body 21.
  • the bobbin 30 is formed in an annular shape with resin, for example.
  • the bobbin 30 has an annular bobbin main body 31 and a plurality of insulating portions 32 provided on the radially outer side of the bobbin main body 31. In the present embodiment, twelve insulating portions 32 are provided at equal intervals in the circumferential direction of the bobbin main body 31.
  • the bobbin 30 has one surface 23 side in the axial direction of the core 20 so as to sandwich the core 20 so that the bobbin main body 31 corresponds to the core main body 21 and each of the plurality of insulating portions 32 corresponds to each of the plurality of teeth 22. And provided on the other surface 24 side. That is, a total of two bobbins 30 are provided (see FIG. 2).
  • the insulating portion 32 includes a first cover portion 41, a second cover portion 42, and a deformed connection portion 43.
  • the first cover portion 41 is formed in a plate shape so as to extend radially outward from the bobbin main body 31, and covers one side in the circumferential direction of the core main body 21 of the teeth 22.
  • the 2nd cover part 42 is formed in plate shape, and covers the other side of the circumferential direction of the core main body 21 of the teeth 22.
  • the deformation connecting portion 43 is formed so as to be deformable by connecting the vicinity of the end portion 411 of the first cover portion 41 on the bobbin main body 31 side and the end portion 421 of the second cover portion 42 on the bobbin main body 31 side.
  • the end 412 of the first cover portion 41 opposite to the bobbin main body 31 and the end portion 422 of the second cover portion 42 opposite to the bobbin main body 31 are parallel to the axis of the bobbin main body 31.
  • a plate-like stopper 44 extending in the surface direction is formed.
  • a plate-like stopper 33 extending in a plane direction parallel to the axis of the bobbin main body 31 is formed in the vicinity of the insulating portion 32 of the bobbin main body 31.
  • the winding 50 is linearly formed of a metal such as copper or aluminum and is provided so as to be wound around the insulating portions 32 of the two bobbins 30.
  • one winding 50 is continuously wound around the plurality of insulating portions 32.
  • the insulating part 32 ensures the insulation between the winding 50 and the teeth 22 of the core 20.
  • the winding 50 is wound around the insulating portion 32 while being pulled with a predetermined force. As a result, the winding 50 can be tightly wound around the insulating portion 32.
  • collapse of the winding 50 is suppressed by the stopper 44 and the stopper 33 of the bobbin 30.
  • the core 20 has a core body 21 fixed to the inside of the engine cover 2 with, for example, bolts.
  • a flywheel 4 is attached to the end of the crankshaft 3 of the engine (not shown). Therefore, the flywheel 4 rotates together with the crankshaft 3 during engine operation.
  • the rotating body 60 of the rotating electrical machine 1 is attached to the flywheel 4.
  • Rotating body 60 has a main body 61, a magnet 62, and the like.
  • the main body 61 includes a tube portion 611 and a plate portion 612 that closes one end of the tube portion 611.
  • a plurality of magnets 62 are provided on the inner wall of the cylindrical portion 611. In the present embodiment, twelve magnets 62 are provided so that the magnetic poles are alternately arranged at equal intervals in the circumferential direction.
  • a protrusion 63 is formed on the outer wall of the cylindrical portion 611.
  • the plate portion 612 of the main body 61 is fixed to the flywheel 4 so that the cylindrical portion 611 is positioned on the radially outer side of the core 20.
  • the tip of the teeth 22 of the core 20 faces the magnet 62.
  • the rotating body 60 rotates together with the crankshaft 3 and the flywheel 4 during engine operation.
  • an induced electromotive force is generated in the winding 50 wound around the insulating portion 32 that covers the teeth 22 facing the magnet 62.
  • a current is generated in the winding 50.
  • the current generated in the winding 50 flows to the battery via the wire harness 5 that connects the winding 50 and the battery.
  • the electric power generated in the rotating electrical machine 1 is stored in the battery.
  • the rotary electric machine 1 of this embodiment is an outer rotor type generator.
  • a rotation sensor 70 is provided on the radially outer side of the cylindrical portion 611 of the rotating body 60.
  • the rotation sensor 70 outputs a signal corresponding to the rotation position of the protrusion 63 when the rotating body 60 rotates.
  • the signal is transmitted to an electronic control unit (hereinafter referred to as “ECU”) (not shown) via the wire harness 6.
  • ECU electronice control unit
  • the bobbin 30 when the bobbin 30 is attached to the core 20, the bobbin 30 is attached to the core 20 while the insulating part 32 is open and the insulating part 32 is made to correspond to the plurality of teeth 22.
  • the end portion 422 of the second cover portion 42 and the end portion 412 of the first cover portion 41 are separated from each other, the end portion 422 and the end portion 412 are prevented from interfering with the teeth 22 of the core 20. be able to. Therefore, the bobbin 30 can be easily attached to the core 20 while making the insulating portions 32 correspond to the plurality of teeth 22 without strictly aligning the core 20 and the bobbin 30.
  • a total of two bobbins 30 are attached to the one surface 23 side and the other surface 24 side in the axial direction of the core 20 so as to sandwich the core 20.
  • Winding winding process After the two bobbins 30 are attached to the core 20, the winding 50 is wound around the insulating portion 32 of the bobbin 30.
  • the end portion 422 of the insulating portion 32 opposite to the bobbin body 31 of the second cover portion 42 and the end portion of the first cover portion 41. 412 is brought into contact. This state is called “closed state”.
  • transformation connection part 43 is formed so that a deformation
  • the insulating part 32 is closed, and the winding 50 is wound around the insulating part 32 (see FIGS. 5C and 5D).
  • the teeth 22 of the core 20 are formed in a rectangular column shape so that a cross section of a virtual plane parallel to the axis Ax of the core body 21 is rectangular. Therefore, four corners are formed in the teeth 22.
  • the first cover portion 41 of the insulating portion 32 has a flat surface portion 81 that contacts one surface or the other surface in the axis Ax direction of the tooth 22, and one surface or the other surface in the circumferential direction of the core body 21 of the tooth 22.
  • angular part of the teeth 22 are formed so that the plane part 81 and the side part 82 may be connected.
  • the second cover portion 42 of the insulating portion 32 includes a flat portion 91 that contacts one surface or the other surface in the axis Ax direction of the tooth 22, and one surface or the other surface in the circumferential direction of the core body 21 of the tooth 22.
  • the first cover portion 41 and the second cover portion 42 are formed with substantially the same thickness.
  • winding 50 is wound by the direction of the arrow shown to FIG. 5D.
  • the deformation connection portion 43 of the insulating portion 32 is formed to be deformable, the insulating portion 32 is opened before the winding 50 is wound, and the winding 50 When the wire is wound, the deformation connecting portion 43 is deformed to be in a closed state. Therefore, before attaching the bobbin 30 to the core 20, the insulating part 32 is kept open so that the insulating part 32 is made to correspond to the plurality of teeth 22 without strictly aligning the core 20 and the bobbin 30. In addition, the bobbin 30 can be easily attached to the core 20. Therefore, the work efficiency at the time of manufacture can be improved and the manufacturing cost can be reduced.
  • FIGS. 1 A part of the rotating electrical machine according to the second embodiment of the present invention is shown in FIGS.
  • the second embodiment differs from the first embodiment in the shape of the bobbin.
  • the deformation connecting portion 43 is opposite to the vicinity of the end 412 of the first cover portion 41 opposite to the bobbin main body 31 and the bobbin main body 31 of the second cover portion 42. It is formed so as to be deformable by connecting to the end 422 on the side.
  • the bobbin 30 when the bobbin 30 is attached to the core 20, the bobbin 30 is attached to the core 20 while making the insulating parts 32 correspond to the plurality of teeth 22 while the insulating part 32 is open. At this time, since the end portion 421 of the second cover portion 42 and the end portion 411 of the first cover portion 41 are separated from each other, the end portion 421 and the end portion 411 are prevented from interfering with the teeth 22 of the core 20. be able to. Therefore, the bobbin 30 can be easily attached to the core 20 while making the insulating portions 32 correspond to the plurality of teeth 22 without strictly aligning the core 20 and the bobbin 30. A total of two bobbins 30 are attached to the one surface 23 side and the other surface 24 side in the axial direction of the core 20 so as to sandwich the core 20.
  • Winding winding process After the two bobbins 30 are attached to the core 20, the winding 50 is wound around the insulating portion 32 of the bobbin 30.
  • the end portion 421 of the second cover portion 42 of the insulating portion 32 on the bobbin main body 31 side and the end portion 411 of the first cover portion 41 are connected. Make contact. This state is called “closed state”.
  • transformation connection part 43 is formed so that a deformation
  • the insulating part 32 is closed and the winding 50 is wound around the insulating part 32 (see FIG. 7C).
  • the deformable connecting portion 43 of the insulating portion 32 is formed to be deformable, the insulating portion 32 is connected to the insulating portion 32 before the winding 50 is wound, as in the first embodiment. Can be in an open state, and when the winding 50 is wound, the deformation connecting portion 43 is deformed to be in a closed state. Therefore, before attaching the bobbin 30 to the core 20, the insulating part 32 is kept open so that the insulating part 32 is made to correspond to the plurality of teeth 22 without strictly aligning the core 20 and the bobbin 30. In addition, the bobbin 30 can be easily attached to the core 20.
  • the side on which stress is concentrated when the winding 50 is wound around the insulating portion 32 (the first corner in the first embodiment).
  • the thickness of the portion 83 may be larger than the thickness of the side where stress is not concentrated (in the first embodiment, the second corner portion 93; see FIG. 5D). In this configuration, it is possible to improve the strength of the first corner portion 83 of the first cover portion 41 where stress is concentrated when the winding 50 is wound.
  • an example in which the teeth of the core are formed in a rectangular column shape so that a cross section by a virtual plane parallel to the axis of the core body is a rectangular shape.
  • the teeth may be formed in a columnar shape or a polygonal column shape so that a cross section by a virtual plane parallel to the axis of the core body is a circular shape or a polygonal shape.
  • the teeth are formed in a columnar shape, the first corner portion and the second corner portion are not formed in the first cover portion and the second cover portion of the insulating portion.
  • the rotating electrical machine of the present invention can be used not only as a generator for a motorcycle but also as a generator for a four-wheeled vehicle, other vehicles, or any device or apparatus that requires electric power. Moreover, when it is set as the structure which supplies electric power to a coil
  • the rotating body may be provided inside the armature.
  • the rotating electrical machine can be used as an inner rotor type generator or motor.
  • the rotating electrical machine may be configured to fix the rotating body and rotate the armature relative to the rotating body.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)

Abstract

Selon la présente invention, un cœur (20) a un corps principal de cœur annulaire (21) et une pluralité de dents (22). Une bobine (30) a un corps principal de bobine annulaire (31) et une pluralité de sections isolantes (32), disposées dans un côté de surface (23) dans la direction axiale du cœur (20) et dans l'autre côté de surface (24) de celui-ci, afin de prendre en sandwich le cœur (20). Un bobinage (50) est disposé afin d'être enroulé autour des sections isolantes (32) de la bobine (30). Une première section de couvercle (41) pour les sections isolantes (32) est formée dans une forme plate afin de s'étendre depuis le corps principal de bobine (31) vers l'extérieur de la direction radiale, et couvre un côté, dans la direction circonférentielle, du corps principal de cœur (21) des dents (22). Une seconde section de couvercle (42) pour les sections isolantes (32) est formée dans une forme plate et couvre l'autre côté, dans la direction circonférentielle, du corps principal de cœur (21) des dents (22). Une section de connexion de déformation (43) pour les sections isolantes (32) connecte le voisinage d'une section d'extrémité (411) du côté de corps principal de bobine (31) de la première section de couvercle (41) et une section d'extrémité (421) du côté de corps principal de bobine (31) de la seconde section de couvercle (42), et est formée afin d'être déformable.
PCT/JP2013/071512 2012-08-08 2013-08-08 Armature et machine électrique tournante utilisant celle-ci WO2014024973A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012-176521 2012-08-08
JP2012176521A JP2014036506A (ja) 2012-08-08 2012-08-08 電機子、および、これを用いた回転電機

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WO2014024973A1 true WO2014024973A1 (fr) 2014-02-13

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3049781A1 (fr) * 2016-04-04 2017-10-06 Somfy Sas Actionneur electromecanique pour la commande d'ecrans et installation domotique comprenant un tel actionneur
CN114123564A (zh) * 2021-10-28 2022-03-01 惠而浦（中国）股份有限公司 绝缘骨架及电机

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018037618A1 (fr) * 2016-08-23 2018-03-01 デンソートリム株式会社 Machine électrique rotative pour un moteur à combustion interne, stator d'une machine électrique rotative et son procédé de fabrication
JP6624108B2 (ja) * 2016-08-23 2019-12-25 デンソートリム株式会社 内燃機関用回転電機、回転電機のステータ、およびそれらの製造方法

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JP2000032694A (ja) * 1998-07-08 2000-01-28 Mitsubishi Electric Corp 固定子用絶縁ボビン
JP2000316246A (ja) * 1999-04-28 2000-11-14 Aisin Seiki Co Ltd コア絶縁部材およびそれを備えたモータ
JP2003023743A (ja) * 2001-07-05 2003-01-24 Asmo Co Ltd 回転電機の電機子及びその製造方法並びにモータ
JP2004304988A (ja) * 2003-04-01 2004-10-28 Nissan Motor Co Ltd 電動機のステータ構造
JP2009106113A (ja) * 2007-10-24 2009-05-14 Toyota Motor Corp 回転電機、絶縁部材および回転電機の製造方法
JP2010246269A (ja) * 2009-04-06 2010-10-28 Toyota Motor Corp インシュレータおよび回転電機

Patent Citations (6)

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Publication number Priority date Publication date Assignee Title
JP2000032694A (ja) * 1998-07-08 2000-01-28 Mitsubishi Electric Corp 固定子用絶縁ボビン
JP2000316246A (ja) * 1999-04-28 2000-11-14 Aisin Seiki Co Ltd コア絶縁部材およびそれを備えたモータ
JP2003023743A (ja) * 2001-07-05 2003-01-24 Asmo Co Ltd 回転電機の電機子及びその製造方法並びにモータ
JP2004304988A (ja) * 2003-04-01 2004-10-28 Nissan Motor Co Ltd 電動機のステータ構造
JP2009106113A (ja) * 2007-10-24 2009-05-14 Toyota Motor Corp 回転電機、絶縁部材および回転電機の製造方法
JP2010246269A (ja) * 2009-04-06 2010-10-28 Toyota Motor Corp インシュレータおよび回転電機

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3049781A1 (fr) * 2016-04-04 2017-10-06 Somfy Sas Actionneur electromecanique pour la commande d'ecrans et installation domotique comprenant un tel actionneur
WO2017174489A1 (fr) * 2016-04-04 2017-10-12 Somfy Sas Actionneur électromécanique pour la commande d'écrans et installation domotique comprenant un tel actionneur
CN109075684A (zh) * 2016-04-04 2018-12-21 尚飞运营有限公司 遮屏控制用机电执行器及有这种执行器的住宅自动化设备
US10879780B2 (en) 2016-04-04 2020-12-29 Somfy Activites Sa Electromechanical actuator for controlling screens and home automation equipment comprising such an actuator
CN114123564A (zh) * 2021-10-28 2022-03-01 惠而浦（中国）股份有限公司 绝缘骨架及电机

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