JPWO2022009521A5 - Stator, rotating electrical machine, and manufacturing method for rotating electrical machine - Google Patents
Stator, rotating electrical machine, and manufacturing method for rotating electrical machine Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000012212 insulator Substances 0.000 claims description 25
- 238000004804 winding Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000009751 slip forming Methods 0.000 claims description 2
- 239000004020 conductor Substances 0.000 description 3
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
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本開示は、固定子及び回転電機並びに回転電機の製造方法に関する。 The present disclosure relates to a stator , a rotating electric machine, and a manufacturing method of the rotating electric machine.
本開示は、上述の課題を解決するためになされたもので、導線を整列して配列することにより、コイルの占積率を向上できる固定子及び回転電機並びに回転電機の製造方法を提供することを目的とする。 The present disclosure has been made to solve the above-described problems, and provides a stator , a rotating electrical machine, and a manufacturing method of the rotating electrical machine that can improve the space factor of the coil by arranging the conductors in line. With the goal.
本開示にかかる固定子は、円筒状のケーシングの内周面に固定され、前記ケーシングの周方向に延在するヨーク部、前記ヨーク部の内径側の面から内径方向に延伸するティース部、及び前記ティース部の内径側の端部から周方向両側に突出するシュー部を有し、前記ケーシングの軸方向に延在するとともに、前記ケーシング内周面に沿って環状に複数組み合わされる分割積層鉄心と、複数の前記分割積層鉄心のそれぞれに装着された絶縁部材と、複数の前記分割積層鉄心のそれぞれに前記絶縁部材を介して巻装されたコイルと、を備え、前記絶縁部材は、前記分割積層鉄心の軸方向の両端部に密着して装着され、それぞれの端部の前記ヨーク部において、内径側の縁よりも内径側から前記内径側の縁よりも外径側まで密着して覆うとともに、前記ヨーク部に対して前記分割積層鉄心が延在する方向と反対方向に延伸する外鍔、それぞれの端部の前記シュー部と前記ティース部の内径側とを覆うとともに、前記外鍔と同じ方向に延伸する内鍔、及びそれぞれの端部の前記ティース部を覆い、一端が前記外鍔に接続され、他端が前記内鍔に接続されるティース部端面被覆部を有する端面用インシュレータ、並びに前記ヨーク部の内径側の面と、前記ティース部の周方向の側面と、前記シュー部の外径側の面とを覆い、それぞれの面に沿って連続して形成されたスロット用インシュレータを有し、前記外鍔は、前記外鍔の内径側に形成されたオーバーハング部及び前記外鍔の内径側であって前記オーバーハング部より前記ヨーク部側に形成された切り欠き部を有し、前記切り欠き部は、前記外鍔の内径側の面が、前記オーバーハング部の内径側の面よりも外径側に窪んで形成され、前記切り欠き部の窪みは、前記外鍔の周方向に延在し、前記オーバーハング部の内径側の面から前記ヨーク部の内径側の縁上又は内径側の縁よりも外径側まで窪み、少なくとも前記スロット用インシュレータの厚みよりも深く、前記ヨーク部の内径側の面に沿って配置された前記スロット用インシュレータは、前記オーバーハング部よりも外径側に配置され、前記外鍔の内径側の面の一部が、前記分割積層鉄心側に延伸し、前記スロット用インシュレータを固定する第１のスリット部を形成しており、前記ティース部端面被覆部上には、外径側が前記外鍔に接続され、内径側が前記ティース部端面被覆部に接続され、外径側に向かって軸方向の厚さが厚くなる第２の接続部が形成され、前記第２の接続部には、前記分割積層鉄心が延在する方向に延伸し、前記ヨーク部と前記ティース部との交点部分において、前記スロット用インシュレータの軸方向端部が差し込まれる第２のスリット部が形成され、前記第１のスリット部と前記第２のスリット部とは、周方向において離間している、ものである。 A stator according to the present disclosure includes a yoke portion fixed to the inner peripheral surface of a cylindrical casing and extending in the circumferential direction of the casing, a tooth portion extending in the inner diameter direction from the inner diameter side surface of the yoke portion, and a split laminated core that has shoe portions that protrude from the inner diameter side ends of the tooth portions to both sides in the circumferential direction, extends in the axial direction of the casing, and is annularly combined in plurality along the inner peripheral surface of the casing; an insulating member attached to each of the plurality of divided laminated cores; and a coil wound around each of the plurality of divided laminated cores via the insulating member, wherein the insulating member comprises the divided laminated cores. It is mounted in close contact with both ends of the iron core in the axial direction, and covers the yoke portion at each end in close contact from the inner diameter side of the inner diameter side edge to the outer diameter side of the inner diameter side edge, and An outer flange extending in a direction opposite to the direction in which the split laminated core extends with respect to the yoke portion, covering the shoe portions at the respective ends and the inner diameter side of the tooth portion, and extending in the same direction as the outer flange. and an end face insulator having a tooth portion end surface covering portion covering the teeth portions at the respective ends, one end of which is connected to the outer flange and the other end of which is connected to the inner flange; A slot insulator covering the inner diameter side surface of the yoke portion, the circumferential side surface of the tooth portion, and the outer diameter side surface of the shoe portion and continuously formed along each surface. , the outer flange has an overhang portion formed on the inner diameter side of the outer flange and a notch portion formed on the inner diameter side of the outer flange and closer to the yoke portion than the overhang portion, The cutout portion is formed such that the inner diameter side surface of the outer collar is recessed further to the outer diameter side than the inner diameter side surface of the overhang portion, and the recess of the cutout portion extends in the circumferential direction of the outer collar. extending from the inner diameter side surface of the overhang portion to the inner diameter side edge of the yoke portion or recessed from the inner diameter side edge to the outer diameter side, at least deeper than the thickness of the slot insulator, and the yoke portion The slot insulator arranged along the inner diameter side surface of the slot insulator is arranged on the outer diameter side of the overhang portion , and a part of the inner diameter side surface of the outer collar extends toward the split laminated core. A first slit portion for fixing the slot insulator is formed, and on the tooth portion end surface covering portion, the outer diameter side is connected to the outer collar, and the inner diameter side is connected to the tooth portion end surface covering portion. and the thickness in the axial direction toward the outer diameter side is A thicker second connection portion is formed, the second connection portion extends in the direction in which the split laminated core extends, and the slot insulator extends at the intersection portion between the yoke portion and the tooth portion. A second slit portion is formed into which the axial end of is inserted, and the first slit portion and the second slit portion are spaced apart in the circumferential direction .
本開示にかかる回転電機は、回転子と、回転子の外周に空隙を介して配置される本開示に記載の固定子とを備えるものである。
また、本開示にかかる回転電機の製造方法は、本開示に記載の回転電機の製造方法であって、前記固定子の前記スロット用インシュレータから予め定められた距離を確保した状態で巻線ノズルを配置し、前記巻線ノズルによって導線を巻き回して前記コイルを形成するものである。
A rotating electrical machine according to the present disclosure includes a rotor, and the stator described in the present disclosure arranged on the outer periphery of the rotor with a gap therebetween.
Further, a method for manufacturing a rotating electric machine according to the present disclosure is the method for manufacturing a rotating electric machine according to the present disclosure, in which winding nozzles are installed in a state in which a predetermined distance is secured from the slot insulator of the stator. The coil is formed by winding a conductive wire by the winding nozzle.
また、長さＬｄを長さＬよりも長くすれば、図１０（ｂ）に示すように、ティース部１０の側面に沿って配置されたスロット用インシュレータ１５の軸方向端部と、オーバーハング部２ｔｈの面２ｔｈｂとの間に、隙間としての空間Ｒ２が確保できる。この空間Ｒ２を形成することによって、導線５ａが巻き回される時に、巻き回された導線５ａの力によって、分割積層鉄心１０及び端面用インシュレータ１４が締め付けられ、面２ｔｈｂによってスロット用インシュレータ１５に皺が寄ることを抑制する。ここで、面２ｔｈｂとは、オーバーハング部２ｔｈにおいて、ティース部１０の側面に沿って配置されたスロット用インシュレータ１５の軸方向端部と対向する面である。オーバーハング部３ｔｈも、オーバーハング部２ｔｈと同様に面３ｔｈｂ（図示なし）を有する。
Further, if the length Ld is longer than the length L, as shown in FIG. A space R2 as a gap can be secured between the 2th surface 2thb. By forming this space R2, when the conductor wire 5a is wound, the split laminated core 10 and the
１ 鉄心片、１０ 分割積層鉄心、１１ 絶縁部材、１２ コイル、１４ 端面用インシュレータ、１５ スロット用インシュレータ、２０ 巻線ノズル、３０ 回転電機、３１ ケーシング、３２ ブラケット、３３ 回転子、３４ 固定子、３５ 回転子鉄心、３６ 永久磁石、３７ シャフト、３８ 鉄心片、３９ 磁石挿入孔、４０ フラックスバリア、１００ 固定子、１１０、１２０、１３０、１４０ 分割固定子
Reference Signs List 1 core piece, 10 split laminated core, 11 insulating member, 12 coil , 14 end face insulator, 15 slot insulator, 20 winding nozzle, 30 rotating electric machine, 31 casing, 32 bracket, 33 rotor, 34 stator, 35
Claims (14)
前記ヨーク部の内径側の面から内径方向に延伸するティース部、及び
前記ティース部の内径側の端部から周方向両側に突出するシュー部を有し、前記ケーシングの軸方向に延在するとともに、前記ケーシング内周面に沿って環状に複数組み合わされる分割積層鉄心と、
複数の前記分割積層鉄心のそれぞれに装着された絶縁部材と、
複数の前記分割積層鉄心のそれぞれに前記絶縁部材を介して巻装されたコイルと、を備え、
前記絶縁部材は、前記分割積層鉄心の軸方向の両端部に密着して装着され、
それぞれの端部の前記ヨーク部において、内径側の縁よりも内径側から前記内径側の縁よりも外径側まで密着して覆うとともに、前記ヨーク部に対して前記分割積層鉄心が延在する方向と反対方向に延伸する外鍔、
それぞれの端部の前記シュー部と前記ティース部の内径側とを覆うとともに、前記外鍔と同じ方向に延伸する内鍔、及び
それぞれの端部の前記ティース部を覆い、一端が前記外鍔に接続され、他端が前記内鍔に接続されるティース部端面被覆部を有する端面用インシュレータ、並びに
前記ヨーク部の内径側の面と、前記ティース部の周方向の側面と、前記シュー部の外径側の面とを覆い、それぞれの面に沿って連続して形成されたスロット用インシュレータを有し、
前記外鍔は、前記外鍔の内径側に形成されたオーバーハング部及び前記外鍔の内径側であって前記オーバーハング部より前記ヨーク部側に形成された切り欠き部を有し、
前記切り欠き部は、前記外鍔の内径側の面が、前記オーバーハング部の内径側の面よりも外径側に窪んで形成され、
前記切り欠き部の窪みは、前記外鍔の周方向に延在し、前記オーバーハング部の内径側の面から前記ヨーク部の内径側の縁上又は内径側の縁よりも外径側まで窪み、少なくとも前記スロット用インシュレータの厚みよりも深く、
前記ヨーク部の内径側の面に沿って配置された前記スロット用インシュレータは、前記オーバーハング部よりも外径側に配置され、
前記外鍔の内径側の面の一部が、前記分割積層鉄心側に延伸し、前記スロット用インシュレータを固定する第１のスリット部を形成しており、
前記ティース部端面被覆部上には、外径側が前記外鍔に接続され、内径側が前記ティース部端面被覆部に接続され、外径側に向かって軸方向の厚さが厚くなる第２の接続部が形成され、
前記第２の接続部には、前記分割積層鉄心が延在する方向に延伸し、前記ヨーク部と前記ティース部との交点部分において、前記スロット用インシュレータの軸方向端部が差し込まれる第２のスリット部が形成され、
前記第１のスリット部と前記第２のスリット部とは、周方向において離間している、
固定子。 a yoke portion fixed to the inner peripheral surface of a cylindrical casing and extending in the circumferential direction of the casing;
Teeth extending in the inner diameter direction from the inner diameter side surface of the yoke portion, and shoe portions protruding from the inner diameter side end portions of the tooth portions to both sides in the circumferential direction, and extending in the axial direction of the casing. , a plurality of divided laminated cores that are annularly combined along the inner peripheral surface of the casing;
an insulating member attached to each of the plurality of divided laminated cores;
a coil wound around each of the plurality of divided laminated cores via the insulating member,
The insulating members are mounted in close contact with both ends in the axial direction of the split laminated core,
The yoke portions at the respective end portions are tightly covered from the inner diameter side of the inner diameter side edge to the outer diameter side of the inner diameter side edge, and the split laminated core extends to the yoke portions. Outer collar extending in the direction opposite to the direction,
An inner collar that covers the shoe portion and the inner diameter side of the tooth portion at each end and extends in the same direction as the outer collar, and the tooth portion at each end, one end of which is attached to the outer collar an end surface insulator having a tooth end surface covering portion connected at the other end to the inner collar, an inner diameter side surface of the yoke portion, a circumferential side surface of the tooth portion, and an outer side of the shoe portion; a slot insulator covering the radial side surface and continuously formed along each surface;
The outer collar has an overhang portion formed on the inner diameter side of the outer collar and a notch portion formed on the inner diameter side of the outer collar and closer to the yoke portion than the overhang portion,
The notch portion is formed such that the inner diameter side surface of the outer flange is recessed further to the outer diameter side than the inner diameter side surface of the overhang portion,
The recess of the notch portion extends in the circumferential direction of the outer flange and is recessed from the inner diameter side surface of the overhang portion to the inner diameter side edge of the yoke portion or to the outer diameter side of the inner diameter side edge. , at least deeper than the thickness of the slot insulator,
The slot insulator arranged along the inner diameter side surface of the yoke portion is arranged on the outer diameter side of the overhang portion ,
A part of the inner diameter side surface of the outer collar extends toward the divided laminated core and forms a first slit portion for fixing the slot insulator,
A second connection is provided on the tooth end surface covering portion, the outer diameter side of which is connected to the outer collar, the inner diameter side of which is connected to the tooth end surface covering portion, and the thickness in the axial direction increases toward the outer diameter side. part is formed,
A second connection portion extends in the direction in which the split laminated core extends, and into which an axial end portion of the slot insulator is inserted at an intersection portion between the yoke portion and the tooth portion. A slit is formed,
The first slit portion and the second slit portion are spaced apart in the circumferential direction,
stator.
前記オーバーハング部の前記ヨーク部と対向する面と、前記ヨーク部の内径側の面に沿って配置された前記スロット用インシュレータとの間には、軸方向に隙間が形成される、請求項１に記載の固定子。 The slot insulators arranged along the inner diameter side surface of the yoke portion are arranged between the overhang portions of the end face insulators arranged at both ends in the axial direction of the split laminated core,
2. A gap is formed in an axial direction between a surface of the overhang portion facing the yoke portion and the slot insulator arranged along an inner diameter side surface of the yoke portion. The stator described in .
前記外鍔の内径側の面は、前記ティース部が延伸する方向と直交する方向に延伸し、
前記切り欠き部は、前記ヨーク部の内径側の縁に沿って形成され、前記オーバーハング部の内径側の面に対する前記切り欠き部の窪みの深さは、前記ヨーク部の周方向端部に向かって深くなる、
請求項１または請求項２に記載の固定子。 a surface on the inner diameter side of the yoke portion is inclined toward the outer diameter side with respect to a direction perpendicular to the direction in which the tooth portion extends,
The surface on the inner diameter side of the outer flange extends in a direction orthogonal to the direction in which the teeth extend,
The cutout portion is formed along the inner diameter side edge of the yoke portion, and the depth of the recess of the cutout portion with respect to the inner diameter side surface of the overhang portion is the circumferential end portion of the yoke portion. deepening towards
A stator according to claim 1 or claim 2.
請求項１から請求項３のいずれか一項に記載の固定子。 A step portion protruding toward the inner diameter side is formed on the inner diameter side surface of the outer collar ,
A stator according to any one of claims 1 to 3.
請求項１から請求項４のいずれか一項に記載の固定子。 On the tooth end surface covering portion, a first connection portion is connected to the tooth end surface covering portion on the outer diameter side, connected to the inner flange on the inner diameter side, and becomes thicker in the axial direction toward the inner diameter side. is formed,
A stator according to any one of claims 1 to 4 .
請求項５に記載の固定子。 The first connection portion extends in the direction in which the divided laminated core extends, and at an intersection portion between the shoe portion and the tooth portion, a fourth slit into which an axial end portion of the slot insulator is inserted. part is formed,
A stator according to claim 5 .
請求項１から請求項６のいずれか一項に記載の固定子。 The axial end of the first slit portion and the axial end of the second slit portion are arranged at the same position in the axial direction,
A stator according to any one of claims 1 to 6 .
請求項１から請求項６のいずれか一項に記載の固定子。 The axial end portion of the first slit portion and the axial end portion of the second slit portion are arranged at different positions in the axial direction,
A stator according to any one of claims 1 to 6 .
請求項１から請求項６のいずれか一項に記載の固定子。A stator according to any one of claims 1 to 6.
請求項１から請求項９のいずれか一項に記載の固定子。 The radially inner surface of the first slit portion and the radially outer surface of the second slit portion are arranged at the same position in the radial direction,
A stator according to any one of claims 1 to 9 .
請求項１から請求項１０のいずれか一項に記載の固定子。 At least one of the first slit portion and the second slit portion has an inclined surface formed on a side surface in the circumferential direction,
A stator according to any one of claims 1 to 10 .
請求項１から請求項１１のいずれか一項に記載の固定子。 An axial end portion of the slot insulator extending in the extending direction of the split laminated core and arranged along the outer diameter side surface of the shoe portion is inserted onto the circumferential side surface of the inner collar. A third slit portion is formed,
A stator according to any one of claims 1 to 11 .
前記回転子の外周に空隙を介して配置される請求項１から請求項１２のいずれか一項に記載の固定子と、
を備える回転電機。 a rotor;
The stator according to any one of claims 1 to 12 , which is disposed on the outer periphery of the rotor with a gap therebetween;
A rotating electric machine.
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| Application Number | Priority Date | Filing Date | Title |
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| JP2020117500 | 2020-07-08 | ||
| JP2020117500 | 2020-07-08 | ||
| PCT/JP2021/018434 WO2022009521A1 (en) | 2020-07-08 | 2021-05-14 | Stator and rotating electric machine |
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| Publication Number | Publication Date |
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| JPWO2022009521A1 JPWO2022009521A1 (en) | 2022-01-13 |
| JPWO2022009521A5 true JPWO2022009521A5 (en) | 2022-08-30 |
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