WO2018158871A1 - Interphase insulating paper, stator core, and coil insertion machine - Google Patents
Interphase insulating paper, stator core, and coil insertion machine Download PDFInfo
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- WO2018158871A1 WO2018158871A1 PCT/JP2017/008056 JP2017008056W WO2018158871A1 WO 2018158871 A1 WO2018158871 A1 WO 2018158871A1 JP 2017008056 W JP2017008056 W JP 2017008056W WO 2018158871 A1 WO2018158871 A1 WO 2018158871A1
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- insulating paper
- interphase insulating
- diameter side
- coil
- outer diameter
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/10—Applying solid insulation to windings, stators or rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
Definitions
- Patent Document 1 The technique of Patent Document 1 is intended to improve insulation reliability and productivity without damaging the coil space factor and the motor efficiency in the slot by simple means.
- a sheet-like insulating material that is continuously bent into a T-shape is provided in the slot, and a portion that extends in the vertical direction among the portions that form the T-shape. Are arranged between adjacent coil bundles in the slot.
- the interphase insulating paper in which the portion extending in the horizontal direction among the portions forming the T-shape is arranged between each coil bundle and the corresponding end portion of the tooth portion in the slot. The technology is disclosed.
- An object of the present invention is to provide a coil insertion machine for inserting the interphase insulating paper and a stator core having no insulation failure.
- each coil wire is compressed in the axial direction of the stator core, the coil bundle is held in the radial direction, and the coil wire is bounded between the two phases, that is, the interphase insulating paper. May be deflected in the direction.
- the interphase insulating paper protrudes to the side and is in contact with the first insulating paper on both the inner diameter side and the outer diameter side of the interphase insulating paper, it is also bent during the end processing of the coil end portion. It is difficult for the coiled coil wire to leak into the adjacent phase section beyond the bent portion.
- an insertion guide portion when the interphase insulating paper is inserted into the slot is provided at the tip of the outer diameter side bent portion.
- the insertion guide portion is a chamfered portion that is formed at an end portion of the outer-diameter-side bent portion, and the outer-diameter side of the outer-diameter-side bent portion is cut off obliquely.
- the end of the first insulating paper is inserted when the interphase insulating paper is inserted into the slot.
- the chamfered portion is inserted so as to slide along the portion.
- the interphase insulating paper is inserted so that the interphase insulating paper does not damage the first insulating paper and the interphase insulating paper itself is not damaged. Dielectric breakdown of the coil bundle forming the phase is less likely to occur.
- the interphase insulating paper 1 is supported by a lower end portion 21 by an interphase insulating paper pusher shaft 91 having a V-shaped leading end so that it does not come off from the front end of the interphase insulating paper pusher shaft.
- 2 is guided in the direction of the arrow shown in FIG. 2 through the interphase insulating paper guide hole 92 penetrating the paper guide member 90 (see FIG. 3A), and is wound in one slot 71. It is inserted between the two coil bundles 76 and 76 so as to penetrate the slot (see FIG. 4).
- interphase insulating paper 1 In the interphase insulating paper 1, first, a long resin sheet 30 is sandwiched between opposed crease forming molds in which a mountain-shaped line is formed on one side and a valley-shaped line is formed on the other side. In the figure, a mountain fold signature 31 indicated by a broken line and a valley fold signature 32 indicated by a one-dot chain line are formed. Next, the V-shaped part is cut out at a position that forms the front part of the outer-diameter side bent part so that a slope 33 that forms a chamfered part is formed, and is cut to a predetermined length. It is cut into a plate 10 that forms interphase insulating paper (FIG. 5B).
- the coil end portion 77 of the coil bundle is vertically extended from the end face of the stator core (see FIG. 8A). This is applied in the direction of the arrow shown in FIG. 8 (A), and as shown in FIG. 8 (B), end processing is performed so as to crush the coil end portion 77, and the length is small. It is stored in the casing of the electric motor.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
Description
・本発明の第2の発明によれば、第1の絶縁紙と相間絶縁紙との間に隙間が空きにくく、コイル線が隣の相の区画に漏出しにくい。
・本発明の第3の発明によれば、相間絶縁紙が第1の絶縁紙を破損させることもなく、相間絶縁紙自体が破損されることもないように相間絶縁紙が挿入されるため、スロット内の異なる位相をなすコイル束の絶縁破壊がより発生しにくい。 -According to the first aspect of the present invention, the interphase insulating paper is not easily bent, and the interphase insulating paper is not easily tilted when the coil wire is wound around the teeth. Even when the portion is molded, the coil wire is less likely to leak into the adjacent phase section beyond the interphase insulating paper, and there is an advantageous effect that the insulation failure of the armature can be extremely reduced.
According to the second aspect of the present invention, there is no gap between the first insulating paper and the interphase insulating paper, and the coil wire is less likely to leak into the adjacent phase section.
-According to the third invention of the present invention, the interphase insulating paper is inserted so that the interphase insulating paper does not damage the first insulating paper and the interphase insulating paper itself is not damaged. Dielectric breakdown of coil bundles having different phases in the slot is less likely to occur.
・本発明の第5の発明によれば、コイル挿入の際においても、コイルエンド部の成形の際にも、異なる位相をなすコイル束が隣の区画に漏出されていることがなく、絶縁不良の無いステータコアとされているという有利な効果を奏する。
・本発明の第6の発明によれば、一つのコイル挿入機であっても、複数の形状の相間絶縁紙をステータコアに挿入することができ、コイル挿入機の汎用性が高くなるという従来にない有利な効果を奏する。
・本発明の第7の発明によれば、外方に凸形状に湾曲された外径側の板体を変形させることなく、相間絶縁紙を挿入することができるコイル挿入機とすることが可能である。 According to the fourth aspect of the present invention, when the interphase insulating paper is inserted into the slot, the end portion of the first insulating paper is caught by the first insulating paper, and the first insulating paper is damaged. In addition, since the interphase insulating paper is inserted so that the interphase insulating paper itself is not damaged, the dielectric breakdown of the coil bundles having different phases in the slot hardly occurs.
-According to the fifth aspect of the present invention, the coil bundles having different phases are not leaked to the adjacent section when the coil is inserted and when the coil end portion is formed, and the insulation is poor. There is an advantageous effect that it is a stator core having no gap.
-According to the sixth invention of the present invention, even with a single coil insertion machine, a plurality of shapes of interphase insulating paper can be inserted into the stator core, and the conventional versatility of the coil insertion machine is enhanced. There is no advantageous effect.
-According to the seventh aspect of the present invention, it is possible to provide a coil insertion machine capable of inserting interphase insulating paper without deforming the outer-diameter-side plate curved in an outward convex shape. It is.
・2つの実施例においては、いずれも相間絶縁紙の先方に挿入誘導部が備えられた相間絶縁紙を示したが、挿入誘導部が備えられていなくてもよいことは勿論のことである。
・実施例では、コイル挿入方式によるコイル線の巻線方法によって、相間絶縁紙を説明したが、コイル線の巻線方法は限定されないで、本発明の相間絶縁紙が適用されることは勿論のことである。
・今回開示された実施の形態はすべての点で例示であって、制限的なものではないと考えられるべきである。本発明の技術的範囲は、上記した説明に限られず特許請求の範囲によって示され、特許請求の範囲と均等の意味および範囲内でのすべての変更が含まれることが意図される。 (Other)
In each of the two embodiments, the interphase insulating paper provided with the insertion guiding portion at the front of the interphase insulating paper is shown, but it goes without saying that the insertion guiding portion may not be provided.
In the embodiment, the interphase insulating paper has been described by the coil wire winding method by the coil insertion method, but the coil wire winding method is not limited, and the interphase insulating paper of the present invention is of course applied. That is.
The embodiment disclosed this time should be considered as illustrative in all points and not restrictive. The technical scope of the present invention is shown not by the above description but by the scope of the claims, and is intended to include all modifications within the meaning and scope equivalent to the scope of the claims.
10…板体、11…内径側折曲げ部、12…外径側折曲げ部、13…外面側の板体、14…中央面、15…折り幅、16…面取り部、17…凸部、18…中間部、19…隙間、20…端部、21…下方の端部、22…中間部をなす部分、23…開放側、24…外径側の板体、25…挿入誘導部、26…先方部、
30…樹脂シート、31…山折の折癖、32…谷折の折癖、33…面取り部をなす傾斜、
40…折り型、41…雄型治具、42…薄板、43…格納器、44…格納器の開放側、45…スリット、46…スリット拡幅部、
50…絞り型部、51…入口側、
60…ウェッジマガジン、61…相間絶縁紙格納部、62…プッシャー軸体、
70…ステータコア、71…スロット、72…端面、73…フランジ部、74…ティース、75…スリット、76…コイル束、77…コイルエンド部、78…コイル線、79…隣の位相の区画、
80…第1の絶縁紙、81…襟部、82…下方端部、
90…相間絶縁紙ガイド部材、91…相間絶縁紙プッシャー軸体、92…相間絶縁紙ガイド孔、93…軸方向先方、94…内径側、95…プッシャー軸体通過孔、96…中間隙間、97…外径側折曲げ部通過孔、98…窪み部、99…ブレード軸体、
201…ストリッパ、202…ターンテーブル、203…ストリッパ摺動手段 1, 2 ... interphase insulating paper, 3 ... conventional T-shaped interphase insulating paper, 100 ... upper tool, 200 ... coil insertion machine,
DESCRIPTION OF
30 ... Resin sheet, 31 ... Mountain fold signature, 32 ... Valley fold signature, 33 ... Inclination forming chamfer,
40 ... Folding type, 41 ... Male jig, 42 ... Thin plate, 43 ... Storage, 44 ... Open side of the storage, 45 ... Slit, 46 ... Slit widening part,
50 ... Drawing part, 51 ... Entrance side,
60 ... wedge magazine, 61 ... interphase insulating paper storage, 62 ... pusher shaft,
70 ... Stator core, 71 ... Slot, 72 ... End face, 73 ... Flange part, 74 ... Teeth, 75 ... Slit, 76 ... Coil bundle, 77 ... Coil end part, 78 ... Coil wire, 79 ... Next phase section,
80 ... first insulating paper, 81 ... collar, 82 ... lower end,
90 ... Interphase insulating paper guide member, 91 ... Interphase insulating paper pusher shaft, 92 ... Interphase insulating paper guide hole, 93 ... Axial direction, 94 ... Inner diameter side, 95 ... Pusher shaft body passage hole, 96 ... Intermediate gap, 97 ... outer-diameter side bent part passage hole, 98 ... hollow part, 99 ... blade shaft body,
201 ... stripper, 202 ... turntable, 203 ... stripper sliding means
Claims (7)
- 電動子をなすステータコアに、環状に配列されると共に内方にコイル線を挿し込むスリットを有するスロットに挿入される相間絶縁紙であって、
前記スロットは、内径側に両側に突出されたフランジ部を有し、前記ステータコアの軸心に向けて環状に配列されたティースに挟まれて形成され、
前記相間絶縁紙は、1枚の電気絶縁性を有する細幅板体が、左右対称の形状をなすように2つ折りされ、
前記相間絶縁紙の両端部には、前記フランジ部に沿って、側方に突出するように折り曲げられた内径側折曲げ部が備えられ、
前記相間絶縁紙の2つ折り中央部には、両側方に突出するように重ねられて折り曲げられた外径側折曲げ部が備えられ、
前記内径側折曲げ部と前記外径側折曲げ部の各々が、前記スロットの内周に沿って配設された第1の絶縁紙に接し、前記スロットを2つのコイル巻線空間に区画させている、
ことを特徴とする相間絶縁紙。 An interphase insulating paper inserted into a slot having a slit into which a coil wire is inserted inward and arranged in an annular shape on a stator core that forms an armature,
The slot has flange portions protruding on both sides on the inner diameter side, and is formed by being sandwiched between teeth arranged annularly toward the axis of the stator core,
The interphase insulating paper is folded in half so that one sheet of thin plate having electrical insulation has a symmetrical shape,
Both end portions of the interphase insulating paper are provided with inner side bent portions that are bent so as to protrude sideways along the flange portion,
The center portion of the interphase insulating paper is provided with an outer-diameter side bent portion that is folded and overlapped so as to protrude on both sides,
Each of the inner diameter side bent portion and the outer diameter side bent portion is in contact with a first insulating paper disposed along the inner periphery of the slot, and the slot is divided into two coil winding spaces. ing,
Interphase insulating paper characterized by that. - 前記外径側折曲げ部をなす重ねられた板体の外径側の板体が、外方に凸に湾曲され、
前記外径側の板体が第1の絶縁紙に付勢されて接している、
ことを特徴とする請求項1に記載の相間絶縁紙。 The outer diameter side plate body of the stacked plate bodies forming the outer diameter side bent portion is curved outwardly convexly,
The outer diameter side plate is urged against and in contact with the first insulating paper,
The interphase insulating paper according to claim 1. - 前記外径側折曲げ部の先方には、前記相間絶縁紙が前記スロットに挿入される際の挿入誘導部が備えられ、
前記挿入誘導部が、前記外径側折曲げ部の端部に形成され、前記外径側折曲げ部の外径側が斜めに切り落とされた面取り部である、
ことを特徴とする請求項1又は請求項2に記載の相間絶縁紙。 At the tip of the outer diameter side bent portion, an insertion guiding portion is provided when the interphase insulating paper is inserted into the slot,
The insertion guiding portion is a chamfered portion formed at an end portion of the outer diameter side bent portion, and an outer diameter side of the outer diameter side bent portion is obliquely cut off.
The interphase insulating paper according to claim 1 or 2, characterized by the above. - 前記外径側折曲げ部の先方には、前記相間絶縁紙が前記スロットに挿入される際の挿入誘導部が備えられ、
前記挿入誘導部が、前記外径側折曲げ部の端部に形成され、前記外径側折曲げ部の外径側が押し潰されて薄い厚さとされている、
ことを特徴とする請求項1又は請求項2に記載の相間絶縁紙。 At the tip of the outer diameter side bent portion, an insertion guiding portion is provided when the interphase insulating paper is inserted into the slot,
The insertion guiding portion is formed at an end of the outer diameter side bent portion, and the outer diameter side of the outer diameter side bent portion is crushed to a thin thickness.
The interphase insulating paper according to claim 1 or 2, characterized by the above. - 巻線されたステータコアであって、
請求項1乃至請求項4のいずれか一項に記載の相間絶縁紙により、一つのスロット内の異なる位相をなすコイル束が区画されている、
ことを特徴とする巻線されたステータコア。 A wound stator core,
The interphase insulating paper according to any one of claims 1 to 4, wherein a coil bundle having different phases in one slot is partitioned.
A wound stator core characterized in that. - コイル挿入機であって、
請求項1乃至請求項4のいずれか一項に記載の相間絶縁紙を案内させる相間絶縁紙ガイド孔を有する相間絶縁紙ガイド軸体を備え、
前記相間絶縁紙ガイド孔が、中央部には相間絶縁紙を押し出す相間絶縁紙プッシャー軸体が通過するプッシャー軸体通過孔を含み、外方部には前記外径側折曲げ部が通過可能とされた、前記外径側折曲げ部よりも広い幅の外径側折曲げ部通過孔を含んでいる、
ことを特徴とするコイル挿入機。 A coil insertion machine,
An interphase insulating paper guide shaft having an interphase insulating paper guide hole for guiding the interphase insulating paper according to any one of claims 1 to 4,
The interphase insulating paper guide hole includes a pusher shaft body passage hole through which an interphase insulating paper pusher shaft body that pushes out interphase insulating paper passes in the center, and the outer diameter side bent portion can pass through an outer portion. An outer diameter side bent portion passage hole having a wider width than the outer diameter side bent portion,
A coil insertion machine characterized by that. - 前記外径側折曲げ部通過孔の外径側中央部に、軸方向に沿って窪み部が形成されている、
ことを特徴とする請求項6に記載のコイル挿入機。 In the outer diameter side central portion of the outer diameter side bent portion passage hole, a recess is formed along the axial direction.
The coil insertion machine according to claim 6.
Priority Applications (3)
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JP2017528242A JP6168677B1 (en) | 2017-03-01 | 2017-03-01 | Interphase insulating paper, stator core and coil insertion machine |
PCT/JP2017/008056 WO2018158871A1 (en) | 2017-03-01 | 2017-03-01 | Interphase insulating paper, stator core, and coil insertion machine |
CN201780017260.1A CN108811518B (en) | 2017-03-01 | 2017-03-01 | Interphase insulating paper, stator core and coil insertion machine |
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PCT/JP2017/008056 WO2018158871A1 (en) | 2017-03-01 | 2017-03-01 | Interphase insulating paper, stator core, and coil insertion machine |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109245373A (en) * | 2018-10-17 | 2019-01-18 | 浙江迪贝电气股份有限公司 | The guiding socket joint fixed structure of directly-wound motor stator phase insulation paper |
CN118413074A (en) * | 2024-07-02 | 2024-07-30 | 江苏铭纳阳智能装备有限公司 | New energy motor interlayer insulating paper insertion machine |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP7480729B2 (en) * | 2021-03-16 | 2024-05-10 | トヨタ自動車株式会社 | Coil assembly method and coil assembly device |
CN115864762B (en) * | 2023-02-27 | 2023-05-09 | 邦迪智能装备(河南)有限公司 | double-O-shaped insulating paper inserting device for motor stator |
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JP2002233092A (en) * | 2001-01-31 | 2002-08-16 | Sanyo Electric Co Ltd | Directly winding type electric motor, refrigerant compressor using the same and cooling device using the same |
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JP2013243849A (en) * | 2012-05-21 | 2013-12-05 | Toyota Industries Corp | Stator of rotary electric machine, and rotary electric machine |
JP6206206B2 (en) * | 2014-01-21 | 2017-10-04 | 株式会社豊田自動織機 | Interphase insulating sheet in rotating electrical machine, rotating electrical machine and in-vehicle electric compressor |
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2017
- 2017-03-01 JP JP2017528242A patent/JP6168677B1/en active Active
- 2017-03-01 WO PCT/JP2017/008056 patent/WO2018158871A1/en active Application Filing
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JP2002233092A (en) * | 2001-01-31 | 2002-08-16 | Sanyo Electric Co Ltd | Directly winding type electric motor, refrigerant compressor using the same and cooling device using the same |
JP5999936B2 (en) * | 2012-03-14 | 2016-09-28 | アイチエレック株式会社 | Insulating sheet manufacturing method and insulating sheet manufacturing apparatus |
WO2014076783A1 (en) * | 2012-11-14 | 2014-05-22 | 三菱電機株式会社 | Stator in rotating electrical machine and rotating electrical machine |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109245373A (en) * | 2018-10-17 | 2019-01-18 | 浙江迪贝电气股份有限公司 | The guiding socket joint fixed structure of directly-wound motor stator phase insulation paper |
CN109245373B (en) * | 2018-10-17 | 2024-02-06 | 浙江迪贝电气股份有限公司 | Direct winding type motor stator is with guiding socket joint fixed knot of interphase insulation paper constructs |
CN118413074A (en) * | 2024-07-02 | 2024-07-30 | 江苏铭纳阳智能装备有限公司 | New energy motor interlayer insulating paper insertion machine |
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CN108811518A (en) | 2018-11-13 |
JP6168677B1 (en) | 2017-07-26 |
CN108811518B (en) | 2020-05-22 |
JPWO2018158871A1 (en) | 2019-03-07 |
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