WO2011058853A1 - Insulating structure for concentrated winding motor - Google Patents

Insulating structure for concentrated winding motor Download PDF

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Publication number
WO2011058853A1
WO2011058853A1 PCT/JP2010/068425 JP2010068425W WO2011058853A1 WO 2011058853 A1 WO2011058853 A1 WO 2011058853A1 JP 2010068425 W JP2010068425 W JP 2010068425W WO 2011058853 A1 WO2011058853 A1 WO 2011058853A1
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Prior art keywords
insulating
securing
insulation
end surface
insulation distance
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PCT/JP2010/068425
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French (fr)
Japanese (ja)
Inventor
義高 東
Original Assignee
株式会社 明電舎
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Application filed by 株式会社 明電舎 filed Critical 株式会社 明電舎
Priority to KR1020127012290A priority Critical patent/KR101390525B1/en
Priority to CN201080051045.1A priority patent/CN102598482B/en
Publication of WO2011058853A1 publication Critical patent/WO2011058853A1/en

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    • 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
    • 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
    • H02K3/325—Windings characterised by the shape, form or construction of the insulation for windings on salient poles, such as claw-shaped poles
    • 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
    • H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
    • 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
    • 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

Definitions

  • the present invention relates to an insulation structure of a concentrated winding motor, and is devised so as to improve insulation performance and reduce the number of insulation work steps.
  • FIG. 5 is a perspective view showing a conventional structure of a split core around which a stator wire is wound, which is used in the above-described electric motor
  • FIG. 6 is a cross-sectional view thereof.
  • the split core 1 constitutes a part of the stator core of the motor, and a plurality of split cores 1 having such a configuration are connected and coupled along the circumferential direction.
  • the stator core is constructed.
  • the split core 1 is obtained by dividing the stator core at a plurality of locations in the circumferential direction.
  • the bobbin 2 includes a cylindrical bobbin main body 2a, a flange 2b formed on one end surface side (rotor side end surface) of the bobbin main body 2a, and the other end surface side (end surface on the counter-rotor side) of the bobbin main body 2a. ) And the flange portion 2c formed in the above.
  • the stator wire 3 is wound around the bobbin 2 by a concentrated winding method.
  • the stator coil 30 is formed by winding the stator wire 3.
  • the bobbin 2 around which the stator wire 3 is wound is inserted and attached to the split iron core 1 and fixed to the split iron core 2.
  • a plurality of divided cores 2 around which the bobbin 2 around which the stator wire 3 is wound are fixed are connected and joined along the circumferential direction. It is formed.
  • the symbol “3a” indicates the “winding start line” of the stator wire 3
  • the code “3b” indicates the “winding end line” of the stator wire 3.
  • the outer circumference of the wound stator wire 3 ie, the "stator coil 30"
  • the front side surface is one end surface A in the axial direction
  • the opposite side of the end surface A is the other end surface B in the axial direction
  • the left side surface in FIG. 5 is the one end surface C in the circumferential direction.
  • the opposite side will be described as the other end face D in the circumferential direction.
  • JP 2008-22675 A JP 2003-61286 A Japanese Utility Model Publication No. 6-5353
  • the above prior art has the following problems. (1) It is difficult to fix the winding end wire 3b (see FIG. 5), and the stator electric wire 3 on the side opposite to the flipper (on the other end face B side in the axial direction in the examples of FIGS. 5 and 6) during the work of the flipper. Electric wire floating occurs. (2) It is difficult to secure the insulation space distance ⁇ (see FIG. 7) between the adjacent stator coils 30. (3) It is difficult to ensure the creepage distance ⁇ (see FIG. 7) between the iron core (split core 1) and the electric wire 3. (4) When an attempt is made to secure insulation between adjacent stator coils 30 by sandwiching rectangular insulating paper between the adjacent stator coils 30, the insulating paper may come off.
  • the present invention has been made in view of the above prior art, and an object thereof is to provide an insulating structure for a concentrated winding motor that can improve insulation performance and reduce the number of insulation work steps.
  • the configuration of the present invention that solves the above problems includes a cylindrical bobbin main body, one flange formed on an end surface on the rotor side of the bobbin main body, and an end surface on the counter-rotor side of the bobbin main body.
  • a stator coil is formed by winding a stator wire by a concentrated winding method on a bobbin constituted by the other flange portion formed in In the insulating structure of the concentrated winding motor in which the bobbin around which the stator wire is wound is inserted and attached to a split iron core,
  • the surface on which the winding start and end windings of the stator wire are located is one end surface in the axial direction, and the opposite side of this one end surface is the other in the axial direction.
  • a first insulating portion for securing an insulation distance covering one end surface in the circumferential direction a second insulating portion for securing an insulation distance covering the other end surface in the circumferential direction, and the insulation distance disposed on the other end surface in the axial direction.
  • a first insertion insulating part that is bent along a boundary line with one insulating part and is inserted between the stator coil and the one flange part; and a counter-rotor of the first insulating part for securing the insulation distance
  • a second insertion insulating part that extends from a side edge and is bent along a boundary line with the first insulating part for securing the insulation distance and inserted between the split iron core and the other flange part, The second insulating portion for securing the insulating distance extends from the side on the rotor side and is insulated.
  • a third insertion insulating part that is bent along a boundary line with the second insulation part for securing separation and inserted between the stator coil and the one flange part, and a second insulation part for securing the insulation distance.
  • the fourth insertion insulation that extends from the side opposite to the rotor and is bent along the boundary line with the second insulating portion for securing the insulation distance and inserted between the divided core and the other flange portion.
  • Insulation paper consisting of parts, An insulating tape that is disposed and bonded across the first insulating portion for securing the insulation distance, one end surface in the axial direction of the stator coil, and the second insulating portion for securing the insulation distance; It is characterized by providing insulation.
  • the insulation work is completed simply by spreading the insulation paper on the stator coil and inserting the insertion insulation portion of the insulation paper into the gap with the bobbin, the number of insulation work steps is reduced. Moreover, the insulation strength between adjacent stator coils improves by providing the 1st insulation part for insulation distance ensuring of the insulation paper, and the 2nd insulation part for insulation distance ensuring. Further, by pressing the surface on the opposite side of the winding end opening line by the connecting portion, it is possible to prevent the electric wire from being lifted at the time of the work of the injuries.
  • the insulation performance (creeping distance) is improved and the insulating paper Fixing can be performed easily.
  • the perspective view which shows the insulation structure of the concentrated winding motor which concerns on the Example of this invention The perspective view which shows the insulation structure of the concentrated winding motor which concerns on the Example of this invention in the state which opened the insulating paper.
  • the perspective view which shows the insulation structure of the concentrated winding motor which concerns on a prior art Sectional drawing which shows the insulation structure of the concentrated winding motor which concerns on a prior art.
  • FIG. 1 and 2 show an insulating structure of a concentrated winding motor according to an embodiment of the present invention.
  • a bobbin 2 around which a stator wire 3 is wound is inserted and attached to a split core 1 constituting a part of a stator core of an electric motor.
  • the bobbin 2 includes a cylindrical bobbin main body 2a, a flange 2b formed on one end surface side (rotor side end surface) of the bobbin main body 2a, and the other end surface side (anti-rotor side) of the bobbin main body 2a. ) And the flange portion 2c formed on the end surface.
  • the bobbin 2 is configured by combining two divided bobbins that are divided into two along the radial direction at the central portion in the axial direction.
  • a stator coil 30 is formed on the bobbin 2 by winding (directly winding) the stator wire 3 by a concentrated winding method.
  • the winding start opening 3 a and the winding end opening 3 b of the stator wire 3 are located on one end face A in the axial direction of the stator coil 30.
  • the insulating paper 100 shown in a development view in FIG. 3 and the insulating tape 200 are used for insulation.
  • the insulating paper 100 includes a first insulating portion 101 for securing an insulating distance, a second insulating portion 102 for securing an insulating distance, a connecting portion 110, and first to fourth insertion insulations.
  • the sections 121 to 124 are configured.
  • the first insulating portion 101 for securing the insulation distance covers one end surface C in the circumferential direction among the outer peripheral surfaces of the stator coil 30.
  • the second insulating portion 102 for securing the insulation distance covers the other end surface D in the circumferential direction among the outer peripheral surfaces of the stator coil 30.
  • the connecting part 110 covers the other end face B in the axial direction on the outer peripheral surface of the stator coil 30 and connects the first insulating part 101 for securing the insulating distance and the second insulating part 102 for securing the insulating distance. is doing.
  • the first insertion insulating part 121 extends from the rotor-side (upper side in FIG. 3) side of the first insulating part 101 for securing the insulation distance, and has a boundary line with the first insulating part 101 for securing the insulation distance (see FIG. 3 is a line that is bent along a dotted line) and inserted between the stator coil 30 and one flange 2b.
  • the second insertion insulating part 122 extends from the side on the counter-rotor side (lower side in FIG. 3) of the first insulating part 101 for securing the insulation distance and is a boundary line with the first insulating part 101 for securing the insulation distance. It is bent along (indicated by a dotted line in FIG. 3) and inserted between the split iron core 1 and the other flange 2c.
  • the third insertion insulating portion 123 extends from the side on the rotor side (the upper side in FIG. 3) of the second insulating portion 102 for securing the insulating distance and is bordered with the second insulating portion 102 for securing the insulating distance (see FIG. 3 is a line that is bent along a dotted line) and inserted between the stator coil 30 and one flange 2b.
  • the fourth insertion insulating part 124 extends from the side on the counter-rotor side (lower side in FIG. 3) of the second insulating part 102 for securing the insulating distance and is a boundary line with the second insulating part 102 for securing the insulating distance. It is bent along (indicated by a dotted line in FIG. 3) and inserted between the split iron core 1 and the other flange 2c.
  • one end surface C in the circumferential direction is covered with the first insulating portion 101 for securing the insulation distance, and the second insulating portion 102 for securing the insulation distance is used to cover the circumferential direction.
  • the insulating paper 100 is wound around the stator coil 30 so as to cover the other end surface D and cover the other end surface B in the axial direction by the connecting portion 110.
  • first insertion insulating portion 121 is bent along a boundary line (a line indicated by a dotted line in FIG. 3) with the first insulating portion 101 for securing the insulation distance, and the stator coil 30 and one flange portion 2b Insert between.
  • the second insertion insulating portion 122 is bent along a boundary line (a line indicated by a dotted line in FIG. 3) with the first insulating portion 101 for securing the insulation distance, and between the split iron core 1 and the other flange portion 2c. insert.
  • the third insertion insulating portion 123 is bent along a boundary line (a line indicated by a dotted line in FIG.
  • the fourth insertion insulating portion 124 is bent along a boundary line (a line indicated by a dotted line in FIG. 3) with the second insulating portion 102 for securing the insulation distance, and between the split iron core 1 and the other flange portion 2c. insert.
  • the insulating tape 200 is disposed and bonded across the first insulating portion 101 for securing the insulation distance, the one end surface A in the axial direction of the stator coil 30, and the second insulating portion 102 for securing the insulation distance. By doing so, the insulation process is completed.
  • a stator is formed by connecting and joining a plurality of divided cores 1 that are insulated as shown in FIG. 1 along the circumferential direction as shown in FIG.
  • the first insulating portion 101 for securing the insulating distance of the insulating paper 100, the connecting portion 110, and the second insulating portion for securing the insulating distance 102 are wound around the stator coil 30, and the first to fourth insertion insulations are wound.
  • the insulation work is completed simply by inserting the portions 121 to 124 into the gap between the flange portion 2b of the bobbin 2 and the winding 30 or the gap between the flange portion 2c of the bobbin 2 and the split core 1. For this reason, insulation work becomes easy and the number of insulation work steps can be reduced.
  • the winding end mouth wire 3b can be fixed by pressing the other end surface B in the axial direction of the outer peripheral surface of the stator coil 30 and fixing one end surface A in the axial direction with the tape 30 by the connecting portion 110. It is possible to prevent the floating of the stator electric wire 3 on the end face B side during the work of jumping.
  • the insulation strength between the adjacent stator coils 30 can be improved by providing the first insulation part 101 for securing the insulation distance and the second insulation part 102 for securing the insulation distance. Further, by inserting the first insertion insulating portion 121 and the third insertion insulating portion 123 between the stator coil 30 and the one flange 2b, the insulating paper 100 is prevented from jumping out of the stator. be able to. Further, by inserting the second insertion insulating portion 122 and the fourth insertion insulating portion 124 between the split iron core 1 and the other flange 2c, it is possible to secure a creepage distance, and to fix the insulating paper 100; It is possible to prevent the stator wire 3 from leaking out from the insulating paper 100.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

A bobbin formed with a stator coil (30) having a stator winding (2) wound thereupon in a concentrated manner is inserted into a divided iron core (1). An insulating paper (100) covers three of the outer circumference surfaces of the stator coil (30); the inserted insulation part of the insulating paper (100) on the side of the rotor being inserted between flange section (2b) of the bobbin and the stator coil (30), and the inserted insulation part of the insulating paper (100) on the opposite side of the rotor being inserted between flange section (2c) of the bobbin and the divided iron core (1). Then, the insulating paper (100) is secured by sticking a tape (200) on the remaining outer circumference surface of the stator coil (30). As a consequence, the insulating properties of the concentrated winding motor are improved, and the man-hour required for work related to insulating is reduced.

Description

集中巻きモータの絶縁構造Insulation structure of concentrated winding motor
　本発明は集中巻きモータの絶縁構造に関し、絶縁性能を向上すると共に絶縁作業工数を削減できるように工夫したものである。 The present invention relates to an insulation structure of a concentrated winding motor, and is devised so as to improve insulation performance and reduce the number of insulation work steps.
　電動機の高出力化を図るために、固定子鉄心を周方向の複数箇所で分割した分割鉄心を用いると共に、固定子電線を集中巻きした電動機が実用化されている。 In order to increase the output of an electric motor, an electric motor in which a stator core is divided into a plurality of locations in the circumferential direction and a stator wire is concentratedly wound has been put into practical use.
　図５は、上記のような電動機に用いられている、固定子電線が巻回された分割鉄心の従来構造を示す斜視図であり、図６はその断面図である。
　両図に示すように、分割鉄心１は、電動機の固定子鉄心の一部を構成するものであり、このような構成となっている複数の分割鉄心１を周方向に沿い連結・結合していくことにより、固定子鉄心が構成される。逆に言えば、分割鉄心１は、固定子鉄心を周方向の複数箇所で分割したものである。 FIG. 5 is a perspective view showing a conventional structure of a split core around which a stator wire is wound, which is used in the above-described electric motor, and FIG. 6 is a cross-sectional view thereof.
As shown in both figures, the split core 1 constitutes a part of the stator core of the motor, and a plurality of split cores 1 having such a configuration are connected and coupled along the circumferential direction. By going, the stator core is constructed. In other words, the split core 1 is obtained by dividing the stator core at a plurality of locations in the circumferential direction.
　ボビン２は、筒状をなすボビン本体２ａと、ボビン本体２ａの一端面側（回転子側の端面）に形成された鍔部２ｂと、ボビン本体２ａの他端面側（反回転子側の端面）に形成された鍔部２ｃとにより構成されている。
　このボビン２には、集中巻きの巻線方式により固定子電線３が巻回（直巻き）されている。このようにして固定子電線３を巻回することにより、固定子コイル３０が形成される。
　固定子電線３が巻回されたボビン２は、分割鉄心１に挿入・装着されて分割鉄心２に固定される。 The bobbin 2 includes a cylindrical bobbin main body 2a, a flange 2b formed on one end surface side (rotor side end surface) of the bobbin main body 2a, and the other end surface side (end surface on the counter-rotor side) of the bobbin main body 2a. ) And the flange portion 2c formed in the above.
The stator wire 3 is wound around the bobbin 2 by a concentrated winding method. Thus, the stator coil 30 is formed by winding the stator wire 3.
The bobbin 2 around which the stator wire 3 is wound is inserted and attached to the split iron core 1 and fixed to the split iron core 2.
　このようにして固定子電線３が巻回されたボビン２が固定されている分割鉄心２を、図７に示すように、複数個、周方向に沿い連結・結合していくことにより固定子が形成される。 As shown in FIG. 7, a plurality of divided cores 2 around which the bobbin 2 around which the stator wire 3 is wound are fixed are connected and joined along the circumferential direction. It is formed.
　なお図５において、符号「３ａ」は固定子電線３の「巻き始め口線」を示し、符号「３ｂ」は固定子電線３の「巻き終わり口線」を示している。
　また、巻回されている固定子電線３、即ち、固定子コイル３０の外周面の位置を特定するため、図５において巻回ずみの固定子電線３（即ち「固定子コイル３０」）の外周面のうち手前側の面を軸方向の一方の端面Ａ、この端面Ａの反対側を軸方向の他方の端面Ｂ、図５において左側の面を周方向の一方の端面Ｃ、この端面Ｃの反対側を周方向の他方の端面Ｄとして説明する。 In FIG. 5, the symbol “3a” indicates the “winding start line” of the stator wire 3, and the code “3b” indicates the “winding end line” of the stator wire 3.
Further, in order to specify the position of the outer circumference of the wound stator wire 3, that is, the stator coil 30, the outer circumference of the wound stator wire 3 (ie, the "stator coil 30") in FIG. Of the surfaces, the front side surface is one end surface A in the axial direction, the opposite side of the end surface A is the other end surface B in the axial direction, and the left side surface in FIG. 5 is the one end surface C in the circumferential direction. The opposite side will be described as the other end face D in the circumferential direction.
特開２００８－２２６７４号公報JP 2008-22675 A 特開２００３－６１２８６号公報JP 2003-61286 A 実開平６－５３５３号公報Japanese Utility Model Publication No. 6-5353
　ところで上記の従来技術では次のような問題があった。
（１）巻き終わり口線３ｂ（図５参照）の固定が困難であり、ツナギ作業時に、反ツナギ側（図５，図６の例では軸方向の他方の端面Ｂ側）の固定子電線３に電線浮きが発生する。
（２）隣の固定子コイル３０との相互間の絶縁空間距離α（図７参照）の確保が困難である。
（３）鉄心（分割鉄心１）と電線３との沿面距離β（図７参照）の確保が困難である。
（４）隣接する固定子コイル３０間に、長方形の絶縁紙を挟むことにより、隣接する固定子コイル３０相互間の絶縁を確保しようとした場合には、絶縁紙が抜けるおそれがあるため、抜け防止策を施さなくてはならない。このような絶縁紙の抜け防止策を施すと、絶縁作業工数が増加するとともに、絶縁構造が複雑化すると共に、電動機の大型化を招来してしまう。
（５）絶縁テープを用いて絶縁を施そうとすると、絶縁工数が大幅にアップしてしまう。 By the way, the above prior art has the following problems.
(1) It is difficult to fix the winding end wire 3b (see FIG. 5), and the stator electric wire 3 on the side opposite to the flipper (on the other end face B side in the axial direction in the examples of FIGS. 5 and 6) during the work of the flipper. Electric wire floating occurs.
(2) It is difficult to secure the insulation space distance α (see FIG. 7) between the adjacent stator coils 30.
(3) It is difficult to ensure the creepage distance β (see FIG. 7) between the iron core (split core 1) and the electric wire 3.
(4) When an attempt is made to secure insulation between adjacent stator coils 30 by sandwiching rectangular insulating paper between the adjacent stator coils 30, the insulating paper may come off. You must take preventive measures. If such measures for preventing the insulation paper from being removed are taken, the number of insulation work steps will be increased, the insulation structure will be complicated, and the size of the motor will be increased.
(5) If the insulation tape is used for insulation, the number of insulation steps will be greatly increased.
　本発明は上記従来技術に鑑み、絶縁性能を向上できると共に絶縁作業工数の削減ができる、集中巻きモータの絶縁構造を提供することを目的とする。 The present invention has been made in view of the above prior art, and an object thereof is to provide an insulating structure for a concentrated winding motor that can improve insulation performance and reduce the number of insulation work steps.
　上記課題を解決する本発明の構成は、筒状をなすボビン本体と、前記ボビン本体のうち回転子側の端面に形成された一方の鍔部と、前記ボビン本体のうち反回転子側の端面に形成された他方の鍔部とにより構成されているボビンに、固定子電線が集中巻きの巻線方式により巻回されて固定子コイルが形成され、
　前記固定子電線が巻回されている前記ボビンが、分割鉄心に挿入・装着されている集中巻きモータの絶縁構造において、
　前記固定子コイルの外周面のうち、前記固定子電線の巻き始め口線及び巻き終わり口線が位置する面を軸方向の一方の端面とし、この一方の端面の反対側を軸方向の他方の端面とし、残りの２面を周方向の一方の端面及び周方向の他方の端面とした場合に、
　周方向の一方の端面を覆う絶縁距離確保用第１絶縁部と、周方向の他方の端面を覆う絶縁距離確保用第２絶縁部と、軸方向の他方の端面に配置される共に前記絶縁距離確保用第１絶縁部と前記絶縁距離確保用第２絶縁部を連結する連結部と、前記絶縁距離確保用第１絶縁部のうち回転子側の辺から延在すると共に前記絶縁距離確保用第１絶縁部との境界線に沿い折り曲げられて前記固定子コイルと前記一方の鍔部との間に挿入される第１挿入絶縁部と、前記絶縁距離確保用第１絶縁部のうち反回転子側の辺から延在すると共に前記絶縁距離確保用第１絶縁部との境界線に沿い折り曲げられて前記分割鉄心と前記他方の鍔部との間に挿入される第２挿入絶縁部と、前記絶縁距離確保用第２絶縁部のうち回転子側の辺から延在すると共に前記絶縁距離確保用第２絶縁部との境界線に沿い折り曲げられて前記固定子コイルと前記一方の鍔部との間に挿入される第３挿入絶縁部と、前記絶縁距離確保用第２絶縁部のうち反回転子側の辺から延在すると共に前記絶縁距離確保用第２絶縁部との境界線に沿い折り曲げられて前記分割鉄心と前記他方の鍔部との間に挿入される第４挿入絶縁部とからなる絶縁紙と、
　前記絶縁距離確保用第１絶縁部と、前記固定子コイルの軸方向の一方の端面と、前記絶縁距離確保用第２絶縁部とに渡り配置されて接着する絶縁性のテープと、
　により絶縁を施していることを特徴とする。 The configuration of the present invention that solves the above problems includes a cylindrical bobbin main body, one flange formed on an end surface on the rotor side of the bobbin main body, and an end surface on the counter-rotor side of the bobbin main body. A stator coil is formed by winding a stator wire by a concentrated winding method on a bobbin constituted by the other flange portion formed in
In the insulating structure of the concentrated winding motor in which the bobbin around which the stator wire is wound is inserted and attached to a split iron core,
Of the outer peripheral surfaces of the stator coil, the surface on which the winding start and end windings of the stator wire are located is one end surface in the axial direction, and the opposite side of this one end surface is the other in the axial direction. In the case of the end face and the remaining two faces as one end face in the circumferential direction and the other end face in the circumferential direction,
A first insulating portion for securing an insulation distance covering one end surface in the circumferential direction, a second insulating portion for securing an insulation distance covering the other end surface in the circumferential direction, and the insulation distance disposed on the other end surface in the axial direction. A connecting portion that connects the first insulating portion for securing and the second insulating portion for securing the insulating distance, and the first insulating portion for securing the insulating distance that extends from the side on the rotor side and that secures the insulating distance. A first insertion insulating part that is bent along a boundary line with one insulating part and is inserted between the stator coil and the one flange part; and a counter-rotor of the first insulating part for securing the insulation distance A second insertion insulating part that extends from a side edge and is bent along a boundary line with the first insulating part for securing the insulation distance and inserted between the split iron core and the other flange part, The second insulating portion for securing the insulating distance extends from the side on the rotor side and is insulated. A third insertion insulating part that is bent along a boundary line with the second insulation part for securing separation and inserted between the stator coil and the one flange part, and a second insulation part for securing the insulation distance. The fourth insertion insulation that extends from the side opposite to the rotor and is bent along the boundary line with the second insulating portion for securing the insulation distance and inserted between the divided core and the other flange portion. Insulation paper consisting of parts,
An insulating tape that is disposed and bonded across the first insulating portion for securing the insulation distance, one end surface in the axial direction of the stator coil, and the second insulating portion for securing the insulation distance;
It is characterized by providing insulation.
　本発明によれば、絶縁紙を固定子コイルに捲くと共に、絶縁紙の挿入絶縁部をボビンとの隙間に挿入するだけで、絶縁作業が完了するため、絶縁作業工数が低減する。
　また、絶縁紙の絶縁距離確保用第１絶縁部及び絶縁距離確保用第２絶縁部を施すことにより、隣接する固定子コイル間の絶縁強度が向上する。
　また連結部により巻き終わり口線とは反対側の面を押えることにより、ツナギ作業時において電線浮きの発生を防止することができる。
　更に、絶縁紙の挿入絶縁部を、ボビンの鍔部と固定子コイルとの間、ボビンの鍔部と分割鉄心との間に挿入することにより、絶縁性能（沿面距離）の向上と絶縁紙の固定を容易に行うことができる。 According to the present invention, since the insulation work is completed simply by spreading the insulation paper on the stator coil and inserting the insertion insulation portion of the insulation paper into the gap with the bobbin, the number of insulation work steps is reduced.
Moreover, the insulation strength between adjacent stator coils improves by providing the 1st insulation part for insulation distance ensuring of the insulation paper, and the 2nd insulation part for insulation distance ensuring.
Further, by pressing the surface on the opposite side of the winding end opening line by the connecting portion, it is possible to prevent the electric wire from being lifted at the time of the work of the injuries.
Furthermore, by inserting the insulating insulation of the insulating paper between the bobbin collar and the stator coil, and between the bobbin collar and the split core, the insulation performance (creeping distance) is improved and the insulating paper Fixing can be performed easily.
本発明の実施例に係る集中巻きモータの絶縁構造を示す斜視図。The perspective view which shows the insulation structure of the concentrated winding motor which concerns on the Example of this invention. 本発明の実施例に係る集中巻きモータの絶縁構造を、絶縁紙を開いた状態で示す斜視図。The perspective view which shows the insulation structure of the concentrated winding motor which concerns on the Example of this invention in the state which opened the insulating paper. 本発明の実施例に係る集中巻きモータの絶縁構造に用いる絶縁紙を示す展開図。The expanded view which shows the insulating paper used for the insulation structure of the concentrated winding motor which concerns on the Example of this invention. 本発明の実施例に係る集中巻きモータの絶縁構造を持つ固定子を示す斜視図。The perspective view which shows the stator with the insulation structure of the concentrated winding motor which concerns on the Example of this invention. 従来技術に係る集中巻きモータの絶縁構造を示す斜視図。The perspective view which shows the insulation structure of the concentrated winding motor which concerns on a prior art. 従来技術に係る集中巻きモータの絶縁構造を示す断面図。Sectional drawing which shows the insulation structure of the concentrated winding motor which concerns on a prior art. 従来技術に係る集中巻きモータの絶縁構造を持つ固定子を示す斜視図。The perspective view which shows the stator with the insulation structure of the concentrated winding motor which concerns on a prior art.
　以下、本発明の実施の形態について、実施例に基づき詳細に説明する。なお従来技術と同一機能を果たす部分には、同一符号を付して説明をする。 Hereinafter, embodiments of the present invention will be described in detail based on examples. In addition, the part which fulfill | performs the same function as a prior art attaches | subjects and demonstrates the same code | symbol.
　図１及び図２は本発明の実施例に係る、集中巻きモータの絶縁構造を示す。両図に示すように、電動機の固定子鉄心の一部を構成する分割鉄心１には、固定子電線３が巻回されたボビン２が挿入・装着されて固定される。
　なお、ボビン２は、筒状をなすボビン本体２ａと、ボビン本体２ａの一端面側（回転子側の端面）に形成された鍔部２ｂと、ボビン本体２ａの他端面側（反回転子側の端面）に形成された鍔部２ｃとにより構成されている。また、ボビン２は、軸方向の中央部分で径方向に沿い２分割された２つの分割ボビンを、組み合わせて構成されたものである。
　ボビン２には、集中巻きの巻線方式により固定子電線３が巻回（直巻き）されて、固定子コイル３０が形成される。 1 and 2 show an insulating structure of a concentrated winding motor according to an embodiment of the present invention. As shown in both figures, a bobbin 2 around which a stator wire 3 is wound is inserted and attached to a split core 1 constituting a part of a stator core of an electric motor.
The bobbin 2 includes a cylindrical bobbin main body 2a, a flange 2b formed on one end surface side (rotor side end surface) of the bobbin main body 2a, and the other end surface side (anti-rotor side) of the bobbin main body 2a. ) And the flange portion 2c formed on the end surface. Further, the bobbin 2 is configured by combining two divided bobbins that are divided into two along the radial direction at the central portion in the axial direction.
A stator coil 30 is formed on the bobbin 2 by winding (directly winding) the stator wire 3 by a concentrated winding method.
　固定子電線３の巻き始め口線３ａ及び巻き終わり口線３ｂは、固定子コイル３０の軸方向の一方の端面Ａに位置している。 The winding start opening 3 a and the winding end opening 3 b of the stator wire 3 are located on one end face A in the axial direction of the stator coil 30.
　ここまで説明した構成は、図５，図６に示す従来技術と同様である。 The configuration described so far is the same as the prior art shown in FIGS.
　本実施例では、図３に展開図で示す絶縁紙１００と、絶縁性のテープ２００により、絶縁を施している。 In this embodiment, the insulating paper 100 shown in a development view in FIG. 3 and the insulating tape 200 are used for insulation.
　絶縁紙１００は、図１～図３に示すように、絶縁距離確保用第１絶縁部１０１と、絶縁距離確保用第２絶縁部１０２と、連結部１１０と、第１～第４の挿入絶縁部１２１～１２４により構成されている。 As shown in FIGS. 1 to 3, the insulating paper 100 includes a first insulating portion 101 for securing an insulating distance, a second insulating portion 102 for securing an insulating distance, a connecting portion 110, and first to fourth insertion insulations. The sections 121 to 124 are configured.
　絶縁距離確保用第１絶縁部１０１は、固定子コイル３０の外周面のうち、周方向の一方の端面Ｃを覆うものである。
　絶縁距離確保用第２絶縁部１０２は、固定子コイル３０の外周面のうち、周方向の他方の端面Ｄを覆うものである。
　連結部１１０は、固定子コイル３０の外周面のうち、軸方向の他方の端面Ｂを覆うものであり、絶縁距離確保用第１絶縁部１０１と絶縁距離確保用第２絶縁部１０２とを連結している。 The first insulating portion 101 for securing the insulation distance covers one end surface C in the circumferential direction among the outer peripheral surfaces of the stator coil 30.
The second insulating portion 102 for securing the insulation distance covers the other end surface D in the circumferential direction among the outer peripheral surfaces of the stator coil 30.
The connecting part 110 covers the other end face B in the axial direction on the outer peripheral surface of the stator coil 30 and connects the first insulating part 101 for securing the insulating distance and the second insulating part 102 for securing the insulating distance. is doing.
　第１挿入絶縁部１２１は、絶縁距離確保用第１絶縁部１０１のうち回転子側（図３では上側）の辺から延在すると共に絶縁距離確保用第１絶縁部１０１との境界線（図３では点線で示している線）に沿い折り曲げられて固定子コイル３０と一方の鍔部２ｂとの間に挿入されるものである。 The first insertion insulating part 121 extends from the rotor-side (upper side in FIG. 3) side of the first insulating part 101 for securing the insulation distance, and has a boundary line with the first insulating part 101 for securing the insulation distance (see FIG. 3 is a line that is bent along a dotted line) and inserted between the stator coil 30 and one flange 2b.
　第２挿入絶縁部１２２は、絶縁距離確保用第１絶縁部１０１のうち反回転子側（図３では下側）の辺から延在すると共に絶縁距離確保用第１絶縁部１０１との境界線（図３では点線で示している線）に沿い折り曲げられて分割鉄心１と他方の鍔部２ｃとの間に挿入されるものである。 The second insertion insulating part 122 extends from the side on the counter-rotor side (lower side in FIG. 3) of the first insulating part 101 for securing the insulation distance and is a boundary line with the first insulating part 101 for securing the insulation distance. It is bent along (indicated by a dotted line in FIG. 3) and inserted between the split iron core 1 and the other flange 2c.
　第３挿入絶縁部１２３は、絶縁距離確保用第２絶縁部１０２のうち回転子側（図３では上側）の辺から延在すると共に絶縁距離確保用第２絶縁部１０２との境界線（図３では点線で示している線）に沿い折り曲げられて固定子コイル３０と一方の鍔部２ｂとの間に挿入されるものである。 The third insertion insulating portion 123 extends from the side on the rotor side (the upper side in FIG. 3) of the second insulating portion 102 for securing the insulating distance and is bordered with the second insulating portion 102 for securing the insulating distance (see FIG. 3 is a line that is bent along a dotted line) and inserted between the stator coil 30 and one flange 2b.
　第４挿入絶縁部１２４は、絶縁距離確保用第２絶縁部１０２のうち反回転子側（図３では下側）の辺から延在すると共に絶縁距離確保用第２絶縁部１０２との境界線（図３では点線で示している線）に沿い折り曲げられて分割鉄心１と他方の鍔部２ｃとの間に挿入されるものである。 The fourth insertion insulating part 124 extends from the side on the counter-rotor side (lower side in FIG. 3) of the second insulating part 102 for securing the insulating distance and is a boundary line with the second insulating part 102 for securing the insulating distance. It is bent along (indicated by a dotted line in FIG. 3) and inserted between the split iron core 1 and the other flange 2c.
　絶縁を施す際には、図１及び図２に示すように、絶縁距離確保用第１絶縁部１０１により周方向の一方の端面Ｃを覆い、絶縁距離確保用第２絶縁部１０２により周方向の他方の端面Ｄを覆い、連結部１１０により軸方向の他方の端面Ｂを覆うようにして、絶縁紙１００を固定子コイル３０に巻き付ける。 When performing insulation, as shown in FIGS. 1 and 2, one end surface C in the circumferential direction is covered with the first insulating portion 101 for securing the insulation distance, and the second insulating portion 102 for securing the insulation distance is used to cover the circumferential direction. The insulating paper 100 is wound around the stator coil 30 so as to cover the other end surface D and cover the other end surface B in the axial direction by the connecting portion 110.
　更に、第１挿入絶縁部１２１は、絶縁距離確保用第１絶縁部１０１との境界線（図３では点線で示している線）に沿い折り曲げて、固定子コイル３０と一方の鍔部２ｂとの間に挿入する。
　第２挿入絶縁部１２２は、絶縁距離確保用第１絶縁部１０１との境界線（図３では点線で示している線）に沿い折り曲げて、分割鉄心１と他方の鍔部２ｃとの間に挿入する。
　第３挿入絶縁部１２３は、絶縁距離確保用第２絶縁部１０２との境界線（図３では点線で示している線）に沿い折り曲げて、固定子コイル３０と一方の鍔部２ｂとの間に挿入する。
　第４挿入絶縁部１２４は、絶縁距離確保用第２絶縁部１０２との境界線（図３では点線で示している線）に沿い折り曲げて、分割鉄心１と他方の鍔部２ｃとの間に挿入する。 Further, the first insertion insulating portion 121 is bent along a boundary line (a line indicated by a dotted line in FIG. 3) with the first insulating portion 101 for securing the insulation distance, and the stator coil 30 and one flange portion 2b Insert between.
The second insertion insulating portion 122 is bent along a boundary line (a line indicated by a dotted line in FIG. 3) with the first insulating portion 101 for securing the insulation distance, and between the split iron core 1 and the other flange portion 2c. insert.
The third insertion insulating portion 123 is bent along a boundary line (a line indicated by a dotted line in FIG. 3) with the second insulating portion 102 for securing the insulation distance, and between the stator coil 30 and one flange portion 2b. Insert into.
The fourth insertion insulating portion 124 is bent along a boundary line (a line indicated by a dotted line in FIG. 3) with the second insulating portion 102 for securing the insulation distance, and between the split iron core 1 and the other flange portion 2c. insert.
　そして、絶縁距離確保用第１絶縁部１０１と、固定子コイル３０の軸方向の一方の端面Ａと、絶縁距離確保用第２絶縁部１０２とに渡り、絶縁性のテープ２００を配置して接着することにより、絶縁処理が完了する。 The insulating tape 200 is disposed and bonded across the first insulating portion 101 for securing the insulation distance, the one end surface A in the axial direction of the stator coil 30, and the second insulating portion 102 for securing the insulation distance. By doing so, the insulation process is completed.
　図１に示す状態のように絶縁が施された分割鉄心１を、図４に示すように、複数個、周方向に沿い連結・結合していくことにより固定子が形成される。 A stator is formed by connecting and joining a plurality of divided cores 1 that are insulated as shown in FIG. 1 along the circumferential direction as shown in FIG.
　本実施例では、絶縁紙１００の絶縁距離確保用第１絶縁部１０１，連結部１１０及び絶縁距離確保用第２絶縁部１０２を、固定子コイル３０に巻きつけ、第１～第４の挿入絶縁部１２１～１２４を、ボビン２の鍔部２ｂと巻線３０との隙間や、ボビン２の鍔部２ｃと分割鉄心１との隙間に差し込んだだけで、絶縁作業が完了する。このため、絶縁作業が容易になり絶縁作業工数を削減することができる。 In the present embodiment, the first insulating portion 101 for securing the insulating distance of the insulating paper 100, the connecting portion 110, and the second insulating portion for securing the insulating distance 102 are wound around the stator coil 30, and the first to fourth insertion insulations are wound. The insulation work is completed simply by inserting the portions 121 to 124 into the gap between the flange portion 2b of the bobbin 2 and the winding 30 or the gap between the flange portion 2c of the bobbin 2 and the split core 1. For this reason, insulation work becomes easy and the number of insulation work steps can be reduced.
　また連結部１１０により、固定子コイル３０の外周面のうち軸方向の他方の端面Ｂを押え、軸方向の一方の端面Ａをテープ３０により固定することにより、巻き終わり口線３ｂの固定ができ、ツナギ作業時において端面Ｂ側の固定子電線３の電線浮きの発生を防止することができる。 In addition, the winding end mouth wire 3b can be fixed by pressing the other end surface B in the axial direction of the outer peripheral surface of the stator coil 30 and fixing one end surface A in the axial direction with the tape 30 by the connecting portion 110. It is possible to prevent the floating of the stator electric wire 3 on the end face B side during the work of jumping.
　更に、絶縁距離確保用第１絶縁部１０１及び絶縁距離確保用第２絶縁部１０２を備えることにより、隣接する固定子コイル３０間の絶縁強度を向上させることができる。
　また、第１挿入絶縁部１２１と第３挿入絶縁部１２３を、固定子コイル３０と一方の鍔部２ｂとの間に挿入することにより、絶縁紙１００が固定子の外に飛び出すのを防止することができる。
　また、第２挿入絶縁部１２２と第４挿入絶縁部１２４を、分割鉄心１と他方の鍔部２ｃとの間に挿入することにより、沿面距離の確保ができるとともに、絶縁紙１００の固定と、固定子電線３が絶縁紙１００から漏れ出ることを防止できる。 Furthermore, the insulation strength between the adjacent stator coils 30 can be improved by providing the first insulation part 101 for securing the insulation distance and the second insulation part 102 for securing the insulation distance.
Further, by inserting the first insertion insulating portion 121 and the third insertion insulating portion 123 between the stator coil 30 and the one flange 2b, the insulating paper 100 is prevented from jumping out of the stator. be able to.
Further, by inserting the second insertion insulating portion 122 and the fourth insertion insulating portion 124 between the split iron core 1 and the other flange 2c, it is possible to secure a creepage distance, and to fix the insulating paper 100; It is possible to prevent the stator wire 3 from leaking out from the insulating paper 100.
　１　分割鉄心
　２　ボビン
　２ａ　ボビン本体
　２ｂ，２ｃ　鍔部
　３　固定子電線
　３ａ　巻き始め口線
　３ｂ　巻き終わり口線
　３０　固定子コイル
　１００　絶縁紙
　１０１　絶縁距離確保用第１絶縁部
　１０２　絶縁距離確保用第２絶縁部
　１０３　連結部
　１２１　第１挿入絶縁部
　１２２　第２挿入絶縁部
　１２３　第３挿入絶縁部
　１２４　第４挿入絶縁部
　２００　テープ
　Ａ　軸方向の一方の端面
　Ｂ　軸方向の他方の端面
　Ｃ　周方向の一方の端面
　Ｄ　周方向の他方の端面
　α　絶縁空間距離
　β　沿面距離 DESCRIPTION OF SYMBOLS 1 Divided iron core 2 Bobbin 2a Bobbin main body 2b, 2c ridge part 3 Stator electric wire 3a Winding start opening line 3b Winding end opening line 30 Stator coil 100 Insulating paper 101 1st insulation part for insulation distance ensuring 2nd for insulation distance ensuring 2nd Insulating portion 103 Connecting portion 121 First insertion insulating portion 122 Second insertion insulating portion 123 Third insertion insulating portion 124 Fourth insertion insulating portion 200 Tape A One end surface in the axial direction B The other end surface in the axial direction C One in the circumferential direction End face D The other end face in the circumferential direction α Insulation space distance β Creepage distance

Claims (1)

  1. 　筒状をなすボビン本体と、前記ボビン本体のうち回転子側の端面に形成された一方の鍔部と、前記ボビン本体のうち反回転子側の端面に形成された他方の鍔部とにより構成されているボビンに、固定子電線が集中巻きの巻線方式により巻回されて固定子コイルが形成され、
    　前記固定子電線が巻回されている前記ボビンが、分割鉄心に挿入・装着されている集中巻きモータの絶縁構造において、
    　前記固定子コイルの外周面のうち、前記固定子電線の巻き始め口線及び巻き終わり口線が位置する面を軸方向の一方の端面とし、この一方の端面の反対側を軸方向の他方の端面とし、残りの２面を周方向の一方の端面及び周方向の他方の端面とした場合に、
    　周方向の一方の端面を覆う絶縁距離確保用第１絶縁部と、周方向の他方の端面を覆う絶縁距離確保用第２絶縁部と、軸方向の他方の端面に配置される共に前記絶縁距離確保用第１絶縁部と前記絶縁距離確保用第２絶縁部を連結する連結部と、前記絶縁距離確保用第１絶縁部のうち回転子側の辺から延在すると共に前記絶縁距離確保用第１絶縁部との境界線に沿い折り曲げられて前記固定子コイルと前記一方の鍔部との間に挿入される第１挿入絶縁部と、前記絶縁距離確保用第１絶縁部のうち反回転子側の辺から延在すると共に前記絶縁距離確保用第１絶縁部との境界線に沿い折り曲げられて前記分割鉄心と前記他方の鍔部との間に挿入される第２挿入絶縁部と、前記絶縁距離確保用第２絶縁部のうち回転子側の辺から延在すると共に前記絶縁距離確保用第２絶縁部との境界線に沿い折り曲げられて前記固定子コイルと前記一方の鍔部との間に挿入される第３挿入絶縁部と、前記絶縁距離確保用第２絶縁部のうち反回転子側の辺から延在すると共に前記絶縁距離確保用第２絶縁部との境界線に沿い折り曲げられて前記分割鉄心と前記他方の鍔部との間に挿入される第４挿入絶縁部とからなる絶縁紙と、
    　前記絶縁距離確保用第１絶縁部と、前記固定子コイルの軸方向の一方の端面と、前記絶縁距離確保用第２絶縁部とに渡り配置されて接着する絶縁性のテープと、
    　により絶縁を施していることを特徴とする集中巻きモータの絶縁構造。     Consists of a cylindrical bobbin body, one flange formed on the rotor-side end surface of the bobbin body, and the other flange formed on the counter-rotor-side end surface of the bobbin body The stator wire is wound on the bobbin that is wound by the concentrated winding method, and the stator coil is formed.
    In the insulating structure of the concentrated winding motor in which the bobbin around which the stator wire is wound is inserted and attached to a split iron core,
    Of the outer peripheral surfaces of the stator coil, the surface on which the winding start and end windings of the stator wire are located is one end surface in the axial direction, and the opposite side of this one end surface is the other in the axial direction. In the case of the end face and the remaining two faces as one end face in the circumferential direction and the other end face in the circumferential direction,
    A first insulating portion for securing an insulation distance covering one end surface in the circumferential direction, a second insulating portion for securing an insulation distance covering the other end surface in the circumferential direction, and the insulation distance disposed on the other end surface in the axial direction. A connecting portion connecting the first insulating portion for securing and the second insulating portion for securing the insulation distance, and the first insulating portion for securing the insulation distance extends from the side on the rotor side and the second for securing the insulation distance. A first insertion insulating part that is bent along a boundary line with one insulating part and is inserted between the stator coil and the one flange part; and a counter-rotor of the first insulating part for securing the insulation distance A second insertion insulating portion that extends from the side edge and is bent along a boundary line with the first insulating portion for securing the insulation distance and inserted between the split iron core and the other flange portion, The second insulating portion for securing the insulating distance extends from the side on the rotor side and is insulated. A third insertion insulating part which is bent along a boundary line with the second insulation part for securing separation and inserted between the stator coil and the one flange part, and a second insulation part for securing the insulation distance. The fourth insertion insulation that extends from the side opposite to the rotor and is bent along the boundary line with the second insulation portion for securing the insulation distance and inserted between the divided core and the other flange portion. Insulation paper consisting of parts,
    An insulating tape that is disposed and bonded across the first insulating portion for securing the insulation distance, one end surface in the axial direction of the stator coil, and the second insulating portion for securing the insulation distance;
    Insulation structure of concentrated winding motor, characterized by being insulated by
PCT/JP2010/068425 2009-11-12 2010-10-20 Insulating structure for concentrated winding motor WO2011058853A1 (en)

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DE102012224012A1 (en) * 2012-12-20 2014-06-26 Tyco Electronics Belgium Ec Bvba Spool for mounting on a magnetic core, reluctance resolver and method of manufacture
CN103944298A (en) * 2013-12-30 2014-07-23 上海大郡动力控制技术有限公司 Tooth part splicing type insulating framework used for concentrated coiler motor
CN107104531B (en) * 2017-06-13 2023-06-06 珠海格力节能环保制冷技术研究中心有限公司 Stator insulation framework, stator assembly and motor
KR102191128B1 (en) * 2019-04-05 2020-12-16 엘지전자 주식회사 Motor part and electric compressor including the same
KR102593387B1 (en) 2021-09-28 2023-10-24 엘지전자 주식회사 Motor assembly
KR20230057837A (en) 2021-10-22 2023-05-02 엘지전자 주식회사 Motor assembly

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JPH065353U (en) * 1992-03-31 1994-01-21 株式会社安川電機 Insulator for stator of electric motor
JP2002171704A (en) * 2000-12-05 2002-06-14 Ebara Corp Salient pole concentrated winding motor
JP2004096874A (en) * 2002-08-30 2004-03-25 Meidensha Corp Flat f permanent magnet dynano electric machine
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CN102598482A (en) 2012-07-18
KR20120082920A (en) 2012-07-24

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