WO2008153175A1 - 絶縁部材 - Google Patents
絶縁部材 Download PDFInfo
- Publication number
- WO2008153175A1 WO2008153175A1 PCT/JP2008/060939 JP2008060939W WO2008153175A1 WO 2008153175 A1 WO2008153175 A1 WO 2008153175A1 JP 2008060939 W JP2008060939 W JP 2008060939W WO 2008153175 A1 WO2008153175 A1 WO 2008153175A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- edgewise coil
- insulating member
- coil
- teeth
- tooth
- 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
Links
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
- 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 insulating member, and more particularly, to an insulating member for insulating a core from an edgewise coil wound around a tooth formed on an inner peripheral surface of a core.
- Japanese Laid-Open Patent Publication No. 2 0 5-5 7 9 3 1 discloses a stator using an edgewise coil.
- the insulating bobbin around which the edgewise coil is wound includes a teeth insulating portion that insulates the tooth from the edgewise coil, and first and second teeth extending substantially parallel to the inner surface of the yoke from each end of the tooth insulating portion. A second extension.
- the first and second extending portions are provided at each end of the tooth insulating portion. Therefore, in order to form an edgewise coil, a rectangular wire is provided on the insulating bobbin. It is necessary to form it. However, the edgewise coil needs to be bent in the width direction of the rectangular wire, so it is not always easy to form the edgewise coil by brazing the rectangular wire to the insulating bobbin. In the above stator, since a large force is applied to the insulating bobbin when the coil is brazed, it is necessary to increase the rigidity of the insulating bobbin. As a result, there is a problem that the insulating bobbin becomes large. Disclosure of the invention
- the present invention has been made to solve the hard problem, and an object thereof is to provide an insulative member that is more suitable for an edgewise coil.
- the insulating member is an insulating member that insulates the edgewise coil wound around the core teeth from the core, the back surface portion, the first and second side surface portions, the first and first With two struts.
- the back of the edgewise coil and core It is formed so as to be able to be arranged between the inner peripheral surface of the first.
- the first and second side surface portions are extended from the back surface portion so as to cover the first and second side surfaces of the teeth facing the slots adjacent to the teeth, respectively, and bend in a direction facing each other. Formed possible.
- the first and second support columns have a gap between the first and second side surfaces so as not to hinder the deformation of the first and second side surfaces, and the first and second teeth It extends from the back surface along the 3rd and 4th sides of the teeth that are different from the side, and can be placed between the inner periphery of the edgewise coil and the 3rd and 4th sides respectively. Formed.
- the first and second side surface portions are formed so as to be able to bend in directions opposite to each other, and the first and second support column portions inhibit deformation of the first and second side surface portions.
- the edgewise coil is formed so that it can be disposed between the inner peripheral surface of the edgewise coil and the teeth. Therefore, by bending the first and second side surfaces in a direction facing each other, the edgewise coil is formed. Once formed, the edgewise coil can be attached to the insulating member. Therefore, according to the present invention, the assembling property of the edgewise coil is remarkably improved.
- each of the first and second support columns has at least a thickness corresponding to a distance at which the edgewise coil can be insulated from the teeth.
- each of the first and second support columns is formed so as to have at least a thickness corresponding to a distance capable of insulating the edgewise coil from the teeth. Therefore, according to the present invention, insulation between the edgewise coil and the teeth can be reliably ensured.
- each of the first and second side surface portions has a flange portion formed so as to be capable of supporting the edge coil in the stacking direction at the tip end portion thereof.
- the flange width of the flange portion is smaller than the width of the flat conductor constituting the edgewise coil.
- the edgewise coil is constituted by a flat plate conductor, the edgewise coil can be supported in the stacking direction even if the flange width of the flange portion is smaller than the width of the flat plate conductor. Therefore, according to the present invention, the material cost of the insulating member can be reduced.
- the core is a stator core.
- the insulating member insulates the edgewise coil wound around the teeth of the stator core from the stator core.
- FIG. 1 is a cross-sectional view of a stator to which an insulating member according to an embodiment of the present invention is applied.
- FIG. 2 is a perspective view of each insulating member shown in FIG.
- FIG. 3 is a cross-sectional view of the cross section I I I -I I I shown in FIG.
- FIG. 4 is a front view of the insulating member shown in FIG.
- FIG. 5 is a perspective view when the edgewise coil is attached to the insulating member.
- FIG. 6 is a perspective view when the edgewise coil attached to the insulating member is attached to the teeth.
- FIG. 7 is a cross-sectional view taken along a cross section V I I—V I I shown in FIG. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a cross-sectional view of a stator to which an insulating member according to an embodiment of the present invention is applied.
- stator 1 includes a stator core 2, a plurality of edgewise coils 6, and a plurality of insulating members 8.
- Stator core 2 includes an annular yoke 3 and a plurality of teeth 4 formed at equal intervals along the circumferential direction on the inner peripheral surface of yoke 3. Between each tooth 4, there is a slot 5 occupied by an edgewise coil 6 wound around the tooth 4. It is formed. Then, by controlling the current flowing through the edgewise coil 6 wound around the tooth 4, a rotating magnetic field can be generated in the stator 1.
- the plurality of edgewise coils 6 are provided corresponding to the plurality of teeth 4.
- Each edgewise coil 6 is composed of a flat conductor that is bent and wound in the width direction, and is intensively wound around a corresponding tooth 4 via an insulating member 8. The surface of the flat conductor composing the edgewise coil 6 is enameled to ensure insulation between adjacent conductors.
- the plurality of edgewise coils 6 are repeatedly arranged in the order of the U phase, the V phase, and the W phase in the circumferential direction of the stator 1, and the coils of the same phase are electrically connected by a power distribution member (not shown). .
- the edgewise coil 6 can increase the space factor compared to a coil formed by winding a round wire, and is excellent in heat dissipation.
- the plurality of insulating members 8 are provided corresponding to the plurality of edgewise coils 6. Each insulating member 8 insulates the corresponding edgewise coil 6 from the stator core 2.
- the insulating member 8 is made of a resin that has excellent insulation properties and can be bent relatively easily.
- the insulating member 8 is made of PPS (polyphenylene sulfide) resin or LCP (liquid crystal polymer) resin.
- FIG. 2 is a perspective view of each insulating member 8 shown in FIG.
- insulating member 8 includes a back surface portion 10, a pair of side surface portions 12, and a pair of support column portions 14.
- the back surface portion 10 has an opening portion 11, and the insulating member 8 is attached to the tooth 4 by passing the tooth 4 (FIG. 1) corresponding to the opening portion 11.
- the back surface portion 10 is disposed between the corresponding edgewise coil 6 (FIG. 1) and the inner peripheral surface of the yoke at the back of the slot.
- the York 3 Figure
- the side surface portion 12 extends from the end portion of the opening portion 11 of the back surface portion 10 toward the inner circumferential direction (y direction) of the stator core so that the side surface of the tooth 4 on the slot side can be covered. That is, the side surface portion 12 insulates the edgewise coil 6 in the slot from the tooth 4 when the insulating member 8 and the corresponding edgewise coil 6 are attached to the tooth 4.
- the pair of side surface portions 12 can be bent in directions facing each other, as will be described later.
- a flange portion 16 is formed at the tip end portion (y direction) of the side surface portion 12. As will be described later, the flange portion 16 is formed so as to be able to support the edgewise coil 6 attached to the insulating member 8 in the stacking direction (y direction). That is, the flange portion 16 prevents the edgewise coil 6 attached to the insulating member 8 from being collapsed in the inner peripheral direction of the stator core.
- a side wall 13 is formed at each end of the side surface portion 12 in the Z direction.
- the side wall 13 is formed to ensure insulation between the edgewise coil 6 and the tooth 4 at each end in the z direction of the side surface 12.
- the strut portion 14 is substantially in the middle between the pair of side surface portions 12 and extends along the coil end side end surface of the teeth 4 from the end portion of the opening portion 11 of the rear surface portion 10 to the inner circumferential direction of the stator core ( It extends toward (y direction). That is, as described above, the pair of side surface portions 12 can be bent in a direction opposite to each other, and the support column portion 14 is connected to the side surface portion 12 so as not to inhibit the deformation of the side surface portion 12. Extending in a columnar shape from the back surface portion 10 along the coil end side end surface of the tooth 4 with a gap in between.
- the support portion 14 supports the edgewise coil 6 in the z direction, and connects the edgewise coil 6 and the tooth 4. Ensure insulation distance. That is, since a gap is provided between the support post portion 1 4 and the side face portion 1 2, the end face on the coil end side of the tooth 4 is not entirely covered by the insulating member 8, and the edgewise coil 6 is connected to the tooth 4.
- the support pillars 14 are formed so as to have at least a thickness (z direction) corresponding to the distance that can be insulated.
- FIG. 3 is a cross-sectional view of the cross section I I I—I I I shown in FIG.
- the insulating member 8 is made of a resin that can be bent relatively easily, and the pair of side surface portions 1 2 are not deformed by the support column portions 14. Can be bent in the opposite direction.
- the formed edgewise coil 6 can be attached to the insulating member 8 from the y direction by bending the side surface portions 12 in the direction facing each other.
- FIG. 4 is a front view of the insulating member 8 shown in FIG. Referring to FIG. 4, the column portion 1 4 has a gap between the side surface portion 1 2 and the central portion between the pair of side surface portions 1 2. So that even if the pair of side surface portions 12 are bent in a direction facing each other when the edgewise coil 6 is mounted, the column portion 14 inhibits the deformation of the side surface portion 12. There is nothing.
- the edgewise coil 6 is attached to the insulating member 8, the edgewise coil 6 is supported in the z direction by the support pillars 14, and the edgewise coil 6 is fixed.
- FIG. 5 is a perspective view when the edgewise coil 6 is attached to the insulating member 8.
- the edgewise coil 6 is attached to the insulating member 8 from the y direction by bending the side surface portions 12 in the directions facing each other.
- the edgewise coil 6 is supported in the Z direction by the support column 14, and the edgewise coil 6 is supported in the stacking direction (y direction) by the flange portion 16 provided at the tip of the side surface portion 12.
- FIG. 6 is a perspective view when the edgewise coil 6 attached to the insulating member 8 is attached to the teeth 4. Referring to FIG. 6, after the edgewise coil 6 is attached to the insulating member 8 (FIG. 5), the edgewise coil 6 and the insulating member 8 are physically attached to the tooth 4. '
- FIG. 7 is a cross-sectional view taken along the cross-section V I I—V I I shown in FIG.
- the edgewise coil 6 is wound so that the flat conductors are laminated in the y direction, and the edgewise coil 6 is collapsed by the flange portion 16 provided on the insulating member 8. Is prevented.
- the flange width (length in the X direction) of the flange portion 16 must be sufficiently secured to prevent the coil from collapsing.
- the edgewise coil 6 can be supported by supporting only a part of the edgewise coil 6 with the flange portion 16. That is, the flange width (length in the X direction) of the flange portion 16 can be reduced.
- the pair of side surface portions 12 of the insulating member 8 is formed so as to be able to bend in a direction facing each other, and the pair of support column portions 14 of the insulating member 8 are formed of the side surface portions. 12
- the deformation of 2 is not hindered, and it is formed between the inner periphery of the edgewise coil 6 and the tooth 4 so that the pair of side surface parts 12 can be bent in a direction facing each other.
- the edgewise coil 6 is formed by It is possible to install a wedgewise coil 6. Therefore, according to this embodiment, the assembling property of the edgewise coil 6 is remarkably improved.
- the post portion 14 has at least a thickness corresponding to the distance at which the edgewise coil 6 can be insulated from the teeth 4, according to this embodiment, the insulation between the edgewise coil 6 and the teeth 4 is ensured. Can be secured.
- the side surface portion 12 has a flange portion 16 formed so that the edgewise coil 6 can be supported in the stacking direction at the tip end portion thereof, according to this embodiment, the edgewise coil 6 is not collapsed. It can be surely prevented.
- the edgewise coil 6 is composed of a flat conductor, the edgewise coil 6 can be supported in the laminated direction even if the flange width of the flange portion 16 is smaller than the width of the flat conductor.
- the material cost of the insulating member 8 can be reduced by making the flange width of the flange portion 16 smaller than the width of the flat conductor constituting the edgewise coil 6. Become.
- the cross-sectional shape of the column portion 14 is a prismatic shape, but may be a cylindrical shape.
- the flange portion 16 is formed along the long side of the edgewise coil 6.
- a flange is formed only on a part of the long side of the edgewise coil 6.
- the material cost of the insulating member 8 can be further reduced.
- the insulating member 8 insulates the edgewise coil wound around the teeth of the stator core from the stator core.
- the insulating member has an edgewise coil wound on the rotor side.
- the edgewise coil may be insulated from the rotor.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE112008001595T DE112008001595T5 (de) | 2007-06-13 | 2008-06-10 | Isolierteil |
| US12/663,815 US7969273B2 (en) | 2007-06-13 | 2008-06-10 | Insulating member |
| CN2008800201785A CN101689780B (zh) | 2007-06-13 | 2008-06-10 | 绝缘部件 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007-156679 | 2007-06-13 | ||
| JP2007156679A JP4840259B2 (ja) | 2007-06-13 | 2007-06-13 | 絶縁部材 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2008153175A1 true WO2008153175A1 (ja) | 2008-12-18 |
Family
ID=40129776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2008/060939 Ceased WO2008153175A1 (ja) | 2007-06-13 | 2008-06-10 | 絶縁部材 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7969273B2 (ja) |
| JP (1) | JP4840259B2 (ja) |
| CN (1) | CN101689780B (ja) |
| DE (1) | DE112008001595T5 (ja) |
| WO (1) | WO2008153175A1 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012115015A (ja) * | 2010-11-24 | 2012-06-14 | Toyota Motor Corp | 回転電機 |
| US20210234425A1 (en) * | 2020-01-23 | 2021-07-29 | Etel S.A. | Elastic-locking winding carrier for preformed coil assemblies of an electric motor |
| FR3166497A1 (fr) | 2024-09-16 | 2026-03-20 | Sonceboz Mechatronics Boncourt Sa | Dispositif d’entrainement à assemblage facilité |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010213492A (ja) * | 2009-03-11 | 2010-09-24 | Toyota Motor Corp | 回転電機 |
| 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 |
| US8575871B1 (en) * | 2010-07-23 | 2013-11-05 | Christopher Moore | Modular component electric machine |
| JP5306411B2 (ja) * | 2011-05-23 | 2013-10-02 | 三菱電機株式会社 | 回転電機 |
| JP2013046420A (ja) * | 2011-08-20 | 2013-03-04 | Nippon Densan Corp | 巻線、および巻線を備えたステータコア |
| JP2013066314A (ja) * | 2011-09-19 | 2013-04-11 | Nippon Densan Corp | モータおよびモータの製造方法 |
| WO2013140564A1 (ja) | 2012-03-22 | 2013-09-26 | 三菱電機株式会社 | 回転電機の電機子 |
| JP5762638B2 (ja) * | 2012-08-03 | 2015-08-12 | 三菱電機株式会社 | 回転電機 |
| CN104737422B (zh) * | 2012-10-16 | 2017-05-24 | 三菱电机株式会社 | 旋转电机的电枢 |
| DE102012223976A1 (de) * | 2012-12-20 | 2014-06-26 | Hilti Aktiengesellschaft | Stator gepresst mit Wickelkopfsupport |
| JP5727577B2 (ja) * | 2013-11-11 | 2015-06-03 | ファナック株式会社 | コイル固定部品を備える電動機の固定子、電動機、及び単位コイルの固定方法 |
| JP5846224B2 (ja) * | 2014-01-22 | 2016-01-20 | トヨタ自動車株式会社 | ステータ |
| JP2019149923A (ja) * | 2018-02-28 | 2019-09-05 | 株式会社豊田自動織機 | 回転電機のステータ、及び回転電機 |
| DE112019001951T5 (de) * | 2018-04-13 | 2021-01-21 | Mitsubishi Electric Corporation | Stator für elektrische rotationsmaschine, elektrische rotationsmaschine sowie herstellungsverfahren für stator für elektrische rotationsmaschine |
| CN108923565B (zh) * | 2018-09-21 | 2024-02-27 | 中创机电科技(深圳)有限公司 | 一种开关磁阻电机定子线架及定子组件 |
| CN114846728A (zh) * | 2019-12-27 | 2022-08-02 | 松下知识产权经营株式会社 | 线圈以及具备该线圈的定子、马达 |
| JP2023005814A (ja) * | 2021-06-29 | 2023-01-18 | 株式会社マキタ | 電動作業機 |
| CN119448634A (zh) * | 2023-08-04 | 2025-02-14 | 爱知电机株式会社 | 电绝缘体组件、定子、电动机以及压缩机 |
| FR3155982A1 (fr) * | 2023-11-27 | 2025-05-30 | AMPERE s.a.s | Support de bobine de stator d’une machine électrique rotative. |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002223542A (ja) * | 2001-01-24 | 2002-08-09 | Shiro Shimabara | コイル装置 |
| JP2005130645A (ja) * | 2003-10-24 | 2005-05-19 | Nissan Motor Co Ltd | 巻回装置および電動機 |
| JP2005354804A (ja) * | 2004-06-10 | 2005-12-22 | Nissan Motor Co Ltd | 電動機用固定子及び巻線材の巻回装置 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59117437A (ja) * | 1982-12-24 | 1984-07-06 | Nippon Denso Co Ltd | フイ−ルドコイル構造 |
| US4710664A (en) * | 1986-07-01 | 1987-12-01 | General Electric Company | Space block control means for dynamoelectric machine |
| JP2005057931A (ja) | 2003-08-06 | 2005-03-03 | Honda Motor Co Ltd | ステータ |
| JP4722584B2 (ja) | 2005-06-29 | 2011-07-13 | 本田技研工業株式会社 | ステータ |
| JP4735529B2 (ja) * | 2006-12-21 | 2011-07-27 | トヨタ自動車株式会社 | モータの固定子 |
| JP4661849B2 (ja) * | 2007-09-27 | 2011-03-30 | トヨタ自動車株式会社 | 固定子構造 |
-
2007
- 2007-06-13 JP JP2007156679A patent/JP4840259B2/ja not_active Expired - Fee Related
-
2008
- 2008-06-10 US US12/663,815 patent/US7969273B2/en not_active Expired - Fee Related
- 2008-06-10 DE DE112008001595T patent/DE112008001595T5/de not_active Ceased
- 2008-06-10 WO PCT/JP2008/060939 patent/WO2008153175A1/ja not_active Ceased
- 2008-06-10 CN CN2008800201785A patent/CN101689780B/zh not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002223542A (ja) * | 2001-01-24 | 2002-08-09 | Shiro Shimabara | コイル装置 |
| JP2005130645A (ja) * | 2003-10-24 | 2005-05-19 | Nissan Motor Co Ltd | 巻回装置および電動機 |
| JP2005354804A (ja) * | 2004-06-10 | 2005-12-22 | Nissan Motor Co Ltd | 電動機用固定子及び巻線材の巻回装置 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012115015A (ja) * | 2010-11-24 | 2012-06-14 | Toyota Motor Corp | 回転電機 |
| US20210234425A1 (en) * | 2020-01-23 | 2021-07-29 | Etel S.A. | Elastic-locking winding carrier for preformed coil assemblies of an electric motor |
| US11637470B2 (en) * | 2020-01-23 | 2023-04-25 | Etel S.A. | Elastic-locking winding carrier for preformed coil assemblies of an electric motor |
| FR3166497A1 (fr) | 2024-09-16 | 2026-03-20 | Sonceboz Mechatronics Boncourt Sa | Dispositif d’entrainement à assemblage facilité |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101689780B (zh) | 2012-05-30 |
| DE112008001595T5 (de) | 2010-04-29 |
| CN101689780A (zh) | 2010-03-31 |
| US7969273B2 (en) | 2011-06-28 |
| JP2008312326A (ja) | 2008-12-25 |
| US20100188181A1 (en) | 2010-07-29 |
| JP4840259B2 (ja) | 2011-12-21 |
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