WO2014020755A1 - 回転電機 - Google Patents
回転電機 Download PDFInfo
- Publication number
- WO2014020755A1 WO2014020755A1 PCT/JP2012/069835 JP2012069835W WO2014020755A1 WO 2014020755 A1 WO2014020755 A1 WO 2014020755A1 JP 2012069835 W JP2012069835 W JP 2012069835W WO 2014020755 A1 WO2014020755 A1 WO 2014020755A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- varnish
- concentrated winding
- winding coil
- teeth
- coil
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—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
- 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
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/12—Impregnating, heating or drying of windings, stators, rotors or machines
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- 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 a rotating electrical machine applied to, for example, an electric motor or a generator, and more particularly to a structure for impregnating a varnish into a stator coil.
- the stator core is held horizontally, and seal members that seal the gap between the upper end surface of the stator core are arranged in a cylindrical shape on the inner peripheral side surface and outer peripheral side surface of the upper coil end protruding from the stator core, and thereafter
- the varnish was injected from the upper surface of the upper coil end, and the varnish was impregnated and flowed downward from the upper coil end (see, for example, Patent Document 1).
- the varnish injected from the upper surface of the upper coil end flows down along the outer peripheral surface of the exposed upper coil end, and is prevented from flowing out to the inner diameter side and the outer diameter side by the seal member. It flows down through the inside.
- the varnish is impregnated in the upper coil end by capillary action from the outer peripheral surface of the upper coil end in the process of flowing down along the outer peripheral surface of the exposed upper coil end.
- the varnish is difficult to impregnate from the inner peripheral surface of the upper coil end facing the upper end surface of the stator core, and there is a problem that the varnish impregnation rate of the upper coil end cannot be increased.
- the present invention has been made to solve the above-described problems, and an object of the present invention is to obtain a rotating electrical machine that promotes varnish impregnation from the inner peripheral surface of a coil end and increases the varnish impregnation rate of the coil end. .
- a rotating electrical machine includes an annular stator core, a stator having concentrated winding coils wound around each tooth of the stator core, and a rotor.
- a resin-made bobbin having a trunk portion and a pair of guide portions protruding at both ends in the longitudinal direction of the upper surface of the trunk portion respectively matches the length direction of the trunk portion with the radial direction of the teeth. Then, the bottom surface of the body portion is arranged along both end surfaces in the axial direction of the teeth, and the concentrated winding coil has a conductor wire formed by the body portion and the pair of guide portions at both ends in the axial direction of the teeth. It is configured by winding a predetermined number of times around the teeth through the formed concave space.
- the varnish reservoir groove is recessed in the upper surface of the barrel portion with the groove direction as the length direction of the barrel portion and extends between the pair of guide portions, and a notch is formed between the pair of guide portions. It is formed on one of the opposing wall surfaces from the protruding end of the guide part to the root part and connected to the varnish reservoir groove, and the varnish is formed on the axially outer part of the trunk part of the concentrated winding coil. It is impregnated and filled between the varnish reservoir groove and the upper surface of the body portion and the concentrated winding coil.
- the varnish is filled between the varnish reservoir groove and the upper surface of the body portion and the concentrated winding coil, the impregnation of the varnish from the inner peripheral surface of the concentrated winding coil facing the upper surface of the body portion is performed. This increases the varnish impregnation rate of the concentrated winding coil.
- FIG. 3 is a cross-sectional view taken along the line III-III in FIG. 2. It is a perspective view which shows the coil assembly in the rotary electric machine which concerns on Embodiment 1 of this invention. It is a perspective view which shows the bobbin integrated in the coil assembly in the rotary electric machine which concerns on Embodiment 1 of this invention. It is a perspective view which shows the core assembly in the rotary electric machine which concerns on Embodiment 1 of this invention.
- FIG. 10 is a cross-sectional view taken along the line XX in FIG. 9. It is a perspective view which shows the coil assembly in the rotary electric machine which concerns on Embodiment 3 of this invention. It is a perspective view which shows the bobbin integrated in the coil assembly in the rotary electric machine which concerns on Embodiment 3 of this invention.
- FIG. 1 is a longitudinal sectional view showing a rotating electrical machine according to Embodiment 1 of the present invention
- FIG. 2 is a partially broken end view showing the rotating electrical machine according to Embodiment 1 of the present invention
- FIG. FIG. 4 is a perspective view showing a coil assembly in the rotary electric machine according to Embodiment 1 of the present invention
- FIG. 5 is a perspective view showing a bobbin incorporated in the coil assembly in the rotary electric machine according to Embodiment 1 of the present invention.
- FIG. 6 is a perspective view showing a core assembly in a rotary electric machine according to Embodiment 1 of the present invention
- FIG. 7 is an exploded perspective view showing the core assembly in the rotary electric machine according to Embodiment 1 of the present invention.
- the longitudinal sectional view is a sectional view including the axis of the rotating electrical machine.
- a rotating electrical machine 100 includes a shaft 4 rotatably supported by a frame 1, a rotor 2 fixed to the shaft 4 and rotatably disposed in the frame 1, and an annular stator core. 9 and a stator coil 10 mounted on the stator core 9, the stator core 9 being held by the frame 1, and a stator 8 disposed so as to surround the rotor 2 via a predetermined gap.
- the rotor 2 is press-fitted and fixed in, for example, a rotor core 3 manufactured by laminating and integrating electromagnetic steel plates punched into a predetermined shape, and a shaft insertion hole 6 formed so as to penetrate the axial center position of the rotor core 3.
- the shaft 4 is provided with permanent magnets 5 that are formed so as to penetrate the rotor core 3 and that are respectively inserted into eight magnet insertion holes 7 that are arranged at an equiangular pitch on the same circumference.
- the stator core 9 is composed of 12 core pieces 11. That is, the core piece 11 is formed in a shape obtained by dividing the stator core 9 into 12 equal parts in the circumferential direction.
- the core piece 11 is produced, for example, by laminating and integrating a large number of electromagnetic steel sheets punched into the same shape, and has a diameter from the center in the circumferential direction of the arc-shaped core back portion 12 and the inner peripheral surface of the core back portion 12.
- the teeth 13 extend inward in the direction, and the flanges 14 extend from the extending end of the teeth 13 to both sides in the circumferential direction.
- the coil assembly 16 includes a pair of bobbins 20 disposed on the end surface of the core piece 11 from both sides in the axial direction of the core piece 11, and a pair of insulating papers 28 in the circumferential direction of the core piece 11.
- Concentrated winding produced by winding the conductor wire 33 around the core assembly 32 arranged on the side surface of the core piece 11 from both sides of the core piece 11, the tooth 13 of the core piece 11 and the pair of bobbins 20.
- the conductor wire 33 a copper round wire or an aluminum round wire having a circular cross section with insulation coating is used.
- the bobbin 20 is a resin molded body using, for example, polyphenylene sulfide (PPS) resin. As shown in FIG. 5, the bobbin 20 has a cross section orthogonal to the length direction as a substantially rectangular shape in which both corners on the upper side are rounded, and the length direction coincides with the radial direction of the teeth 13.
- the body portion 21 is disposed so as to extend along both end surfaces of the teeth 13 in the axial direction, and the first portion extends from one side in the length direction of the upper surface of the body portion 21 to the side opposite to the bottom surface (the side opposite to the teeth 13).
- a pair of slits 25 for inserting the conductor wire 33 is formed in the second guide portion 23.
- the varnish reservoir groove 26 has a rectangular cross-sectional shape, and is recessed at the center of the upper surface of the body portion 21 in the width direction so as to extend from one side in the length direction to the other side.
- a notch 27 for varnish injection penetrates the second guide portion 23 in the center of the width direction of the second guide portion 23 in the length direction of the trunk portion 21, and extends from the extended end of the second guide portion 23. It is formed so as to reach the root side and be connected to the varnish reservoir groove 26.
- the bottom surface of the cutout 27 gradually becomes deeper from the other end in the length direction of the body portion 21 toward one end side, and is an inclined surface connected to the bottom surface of the varnish reservoir groove 26 without a step.
- the insulating paper 28 is formed, for example, by press-molding a sheet produced by sandwiching a polyimide film between meta-aramid fibers. As shown in FIG. 7, the insulating paper 28 includes a protection portion 29 that is addressed to a wall surface that defines a slot of the core back portion 12, the teeth 13, and the flange portion 14 of the core piece 11, and a concentrated winding coil that is folded back. 15 and first and second cover portions 30 and 31 covering 15.
- the insulating paper 28 is disposed from both sides in the circumferential direction of the core piece 11 so that the protective portion 29 is directed to the wall surface defining the slots of the core back portion 12, the teeth 13 and the flange portion 14.
- the length direction of the body portion 21 is made to coincide with the radial direction of the teeth 13, and the bottom surface of the body portion 21 is disposed along the end surface of the core piece 11.
- the bobbin 20 extends so that the skirt portion 24 faces a wall surface defining the slots of the core back portion 12, the teeth 13, and the collar portion 14 with a predetermined gap, and the axis of the teeth 13 is extended. It arrange
- the insulating paper 28 is inserted between the skirt portion 24 and the wall surface defining the slots of the core back portion 12, the teeth 13, and the collar portion 14 at both ends of the protection portion 29, so It is arranged.
- the conductor wire 33 is drawn in between the 1st guide part 22 and the 2nd guide part 23 from one slit 25, and the pair of trunk
- the coil assembly 16 configured in this manner is aligned with the circumferential end faces of the core back portion 12 of the core piece 11 in an annular shape, and is press-fitted and fixed to the annular ring portion 17.
- the stator 8 is configured by being inserted and fixed into the ring portion 17 by shrink fitting.
- the core pieces 11 are arranged in an annular shape by abutting the end faces in the circumferential direction of the core back portion 12 to constitute the stator core 9. Further, the core back portion 12 is connected in the circumferential direction to form a core back of the stator core 9, and a space formed by the core back and the adjacent teeth 13 forms a slot.
- the stator coil 10 is configured by twelve concentrated winding coils 15 wound around the teeth 13 of the core piece 11. A portion of the concentrated winding coil 15 that protrudes outward in the axial direction from the stator core 9 constitutes a coil end of the stator coil 10.
- stator 8 configured in this way is held horizontally with the axial direction vertical.
- the large-diameter cylindrical seal member is arranged on the upper end surface of the stator core 9 so as to be in contact with the outer diameter side surface of the second guide portion 23 of each guide 20, and the small-diameter cylindrical seal member It arrange
- the varnish 34 flows down along the exposed outer peripheral surface of the concentrated winding coil 15, is prevented from flowing out to the inner diameter side and the outer diameter side by the seal member, and flows down through the slot. A part of the varnish 34 passes through the notch 27 and fills the varnish reservoir groove 26.
- the varnish 34 is impregnated in the concentrated winding coil 15 by capillary action from the outer peripheral surface of the concentrated winding coil 15 in the process of flowing down along the exposed outer peripheral surface of the concentrated winding coil 15.
- the varnish 34 filled in the varnish reservoir groove 26 is in contact with the inner peripheral surface of the concentrated winding coil 15 and is impregnated into the concentrated winding coil 15 from the inner peripheral surface of the concentrated winding coil 15 by capillary action.
- the varnish 34 filled in the varnish reservoir groove 26 is impregnated between the inner peripheral surface of the concentrated winding coil 15 and the upper surface of the trunk portion 21 by capillary action, and the concentrated winding coil facing the upper surface of the trunk portion 21.
- the concentrated winding coil 15 is impregnated from the inner peripheral surface of 15.
- the stator 8 is turned upside down, and the concentrated winding coil 15 is impregnated with the varnish 34 in the same manner.
- the varnish 34 impregnated in the concentrated winding coil 15 and the varnish 34 filled in the varnish reservoir groove 26 are cured, and the concentrated winding coil 15 is fixed to the bobbin 20.
- the rotating electrical machine 100 configured as described above is fed with power to the stator coil 10 from an external power source via an annular power distribution member 40 disposed on one end side of the stator 8 in the axial direction, and is an 8-pole 12-slot inner rotor type. It operates as a synchronous motor.
- the concentrated winding coil 15 is in a concave space formed by the body portion 21, the first guide portion 22, and the second guide portion 23 of the bobbin 20 disposed at both axial ends of the teeth 13. It is wound to pass through.
- the second guide portion 23 is recessed so that the varnish reservoir groove 26 extends in the length direction on the upper surface of the body portion 21 and the notch 27 is connected to the other end of the varnish reservoir groove 26 in the groove direction. Is formed. Therefore, in the impregnation step of the varnish 34, the varnish 34 is impregnated from the exposed outer peripheral surface of the concentrated winding coil 15 and the inner peripheral surface facing the varnish reservoir groove 26, so that the varnish impregnation rate of the coil end of the stator coil 10 is increased. Is increased.
- the heat generated in the concentrated winding coil 15 is transmitted to the stator core 9 via the bobbin 20, and further transmitted to the ring portion 17 and radiated from the ring portion 17, so that an excessive temperature rise in the concentrated winding coil 15 can be suppressed.
- the concentrated winding coil 15 is fixed to the bobbin 20, it is possible to prevent the concentrated winding coil 15 from moving due to the vibration of the vehicle and coming off from the bobbin 20 or rubbing against the core piece 11 to cause insulation failure. Since the notch 27 is formed in the second guide portion 23 on the outer diameter side, the work space at the time of varnish injection is widened, and the varnish injection workability is improved.
- the cutout 27 Since the bottom surface of the cutout 27 gradually becomes deeper from the other end in the length direction of the body portion 21 toward the one end side and becomes an inclined surface connected to the bottom surface of the varnish reservoir groove 26 without a step, the cutout The bottom surface of 27 acts to feed the varnish 34 that has flowed into the notch 27 into the varnish reservoir groove 26. Therefore, the amount of the varnish 34 in the varnish reservoir groove 26 is always ensured, and the varnish 34 is efficiently impregnated in the concentrated winding coil 15. Since the conductor wire 33 has a circular cross section, the concentrated winding coil 15 is efficiently impregnated with the varnish 34.
- the bottom surface of the notch 27 is formed as an inclined surface.
- the bottom surface of the notch 27 is not limited to the inclined surface, and the base side of the notch 27 is the varnish reservoir groove 26.
- the bottom surface of the notch 27 may be formed on a flat surface parallel to the bottom surface of the varnish reservoir groove 26. In this case, from the viewpoint of supplying the varnish 34 guided to the notch 27 into the varnish accumulating groove 26, the distance between the bottom surface of the notch 27 and the bottom surface of the trunk portion 21 (end surface of the teeth 13) is defined as the trunk portion.
- the distance is shorter than the distance between the upper surface of the body 21 and the bottom surface of the body portion 21 and equal to or longer than the distance between the bottom surface of the varnish reservoir groove 26 and the bottom surface of the body portion 21.
- the bottom surface of the notch 27 may be formed so that the distance between the bottom surface of the notch 27 and the bottom surface of the body portion 21 is shortened stepwise toward the varnish reservoir groove 26.
- the gap between the bottom surface portion connected to the bottom surface of the varnish reservoir groove 26 of the notch 27 and the bottom surface of the trunk portion 21 Is shorter than the distance between the upper surface of the body portion 21 and the bottom surface of the body portion 21, and is preferably equal to or longer than the distance between the bottom surface of the varnish reservoir groove 26 and the bottom surface of the body portion 21.
- FIG. FIG. 8 is a perspective view showing a bobbin incorporated in a coil assembly in a rotary electric machine according to Embodiment 2 of the present invention.
- the notch 27A for varnish injection extends to the center in the width direction of the surface (inner peripheral surface) of the second guide portion 23 on the first guide portion 22 side. It is formed so as to extend from the extended end to the root side.
- the second embodiment is configured in the same manner as in the first embodiment except that the bobbin 20A is used instead of the bobbin 20.
- the varnish 34 in the step of impregnating the varnish 34, is filled into the varnish reservoir groove 26 from the notch 27A and impregnated from the inner peripheral surface of the concentrated winding coil 15. Has the same effect as.
- the varnish injection notches 27 and 27A are formed in the second guide portion 23. However, the notches are communicated with the varnish reservoir groove in the first guide.
- the portion 22 may be formed.
- FIG. 9 is an end view showing a stator in a rotary electric machine according to Embodiment 3 of the present invention
- FIG. 10 is a cross-sectional view taken along the line XX of FIG. 9, and
- FIG. 11 is in the rotary electric machine according to Embodiment 3 of the present invention.
- FIG. 12 is a perspective view showing a coil assembly
- FIG. 12 is a perspective view showing a bobbin incorporated in a coil assembly in a rotary electric machine according to Embodiment 3 of the present invention.
- insulating paper is omitted.
- the stator 8A is press-fitted into the annular ring portion 17 by abutting the end faces in the circumferential direction of the core back portion 12 of the core piece 11 and arranging the coil assemblies 16A in an annular shape in the circumferential direction. It is configured to be fixed or inserted into and fixed to the ring portion 17 by shrink fitting.
- the bobbin 20B is provided with one slit 25A instead of the pair of slits 25 as shown in FIG.
- the conductor wire 33A which consists of a flat wire is drawn in between the 1st guide part 22 and the 2nd guide part 23 from the slit 25A, and a pair of teeth 13 of the core piece 11 and the axial direction both ends were arranged.
- the power distribution member 40 is used to connect the concentrated winding coil 15 ⁇ / b> A housed in each of the annular insulating holder 41 in which four C-shaped bus bar housing grooves 42 are concentrically recessed and the bus bar housing groove 42.
- the power distribution member 40 is disposed on one axial end surface of the core back of the stator core 9 so that the insulating holder 41 contacts the outer peripheral surface of the second guide portion 23 of the bobbin 20B arranged in the circumferential direction.
- the ends of the concentrated winding coil 15A drawn to the outer diameter side from each coil assembly 16A are connected to corresponding bus bars of the neutral point bus bar 43N, the U-phase bus bar 43U, the V-phase bus bar 43V and the W-phase bus bar 43W. Is done.
- stator coil 10A formed by Y-connecting a U-phase coil, a V-phase coil, and a W-phase coil in which four concentrated winding coils 15A are connected in parallel is configured.
- the stator 8A configured in this way is held horizontally with one axial end surface of the stator core 9 facing upward.
- the small-diameter cylindrical seal member is disposed on one axial end surface of the stator core 9 so as to be in contact with the inner diameter side surface of the first guide portion 22 of each bobbin 20B.
- the varnish 34 is dropped from above in the vertical direction onto the portion of the concentrated winding coil 15 ⁇ / b> A that protrudes outward in the axial direction of the stator core 9.
- the varnish 34 flows down along the exposed outer peripheral surface of the concentrated winding coil 15A, is prevented from flowing out to the inner diameter side and the outer diameter side by the power distribution member 40 and the seal member, and flows down through the slot.
- a part of the varnish 34 passes through the notch 27 and fills the varnish reservoir groove 26.
- the varnish 34 is impregnated into the concentrated winding coil 15A by capillary action from the outer peripheral surface of the concentrated winding coil 15A in the process of flowing down along the exposed outer peripheral surface of the concentrated winding coil 15A.
- the varnish 34 filled in the varnish reservoir groove 26 is in contact with the inner peripheral surface of the concentrated winding coil 15A, and is impregnated into the concentrated winding coil 15A by capillary action from the inner peripheral surface of the concentrated winding coil 15A.
- the varnish 34 filled in the varnish reservoir groove 26 is impregnated between the inner peripheral surface of the concentrated winding coil 15 ⁇ / b> A and the upper surface of the trunk portion 21 by capillary action, and the concentrated winding coil facing the upper surface of the trunk portion 21.
- the concentrated winding coil 15A is impregnated from the inner peripheral surface of 15A.
- the stator 8A is turned upside down, and a cylindrical seal member having a large diameter and a small diameter is disposed on the other axial end surface of the stator core 9, and similarly, the varnish 34 is impregnated in the concentrated winding coil 15A.
- the varnish 34 impregnated in the concentrated winding coil 15A and the varnish 34 filled in the varnish reservoir groove 26 are cured, and the concentrated winding coil 15A is fixed to the bobbin 20B.
- the same effect as in the first embodiment can be obtained. Further, since the varnish reservoir groove 26 is filled with the varnish 34 and the varnish is impregnated from the inner peripheral surface of the concentrated winding coil 15A, the concentrated winding coil is formed by winding the conductor wire 33A made of a rectangular wire without any gap. 15A can also be efficiently impregnated with the varnish 34.
- the annular power distribution member 40 is disposed so as to be in contact with the outer peripheral surface of the second guide portion 23 of the bobbin 20B, the opening on the outer diameter side of the notch 27 is closed by the power distribution member 40. Therefore, the varnish 34 dropped to the coil end of the concentrated winding coil 15A and guided to the notch 27 is supplied into the varnish reservoir groove 26 without leaking to the outer diameter side.
- teeth 13 of the core piece 11 shall be extended radially inward from the circumferential direction center of the internal peripheral surface of the core back part 12
- teeth are a core back part. It is not necessary to extend from the center in the circumferential direction of the inner peripheral surface.
- the annular side stator core can be produced by arranging the core pieces in the circumferential direction by bringing the circumferential side surfaces of the core back portion into contact with each other, the length of the core back portion extending on both sides in the circumferential direction of the teeth. May be different.
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- Power Engineering (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
Description
図1はこの発明の実施の形態1に係る回転電機を示す縦断面図、図2はこの発明の実施の形態1に係る回転電機を示す一部破断端面図、図3は図2のIII-III矢視断面図、図4はこの発明の実施の形態1に係る回転電機におけるコイルアッセンブリを示す斜視図、図5はこの発明の実施の形態1に係る回転電機におけるコイルアッセンブリに組み込まれるボビンを示す斜視図、図6はこの発明の実施の形態1に係る回転電機におけるコアアッセンブリを示す斜視図、図7はこの発明の実施の形態1に係る回転電機におけるコアアッセンブリを示す分解斜視図である。なお、縦断面図とは回転電機の軸心を含む断面図である。
切り欠き27が外径側の第2ガイド部23に形成されているので、ワニス注入時の作業スペースが広くなり、ワニス注入作業性が向上する。
導体線33が円形断面であるので、ワニス34が集中巻コイル15に効率的に含浸される。
図8はこの発明の実施の形態2に係る回転電機におけるコイルアッセンブリに組み込まれるボビンを示す斜視図である。
なお、実施の形態2では、ボビン20に替えて、ボビン20Aを用いている点を除いて、上記実施の形態1と同様に構成されている。
図9はこの発明の実施の形態3に係る回転電機におけるステータを示す端面図、図10は図9のX-X矢視断面図、図11はこの発明の実施の形態3に係る回転電機におけるコイルアッセンブリを示す斜視図、図12はこの発明の実施の形態3に係る回転電機におけるコイルアッセンブリに組み込まれるボビンを示す斜視図である。なお、図9では、絶縁紙が省略されている。
また、ワニス溜め溝26にワニス34を充填し、集中巻コイル15Aの内周面からワニスを含浸させているので、平角線からなる導体線33Aを隙間無く巻回して構成されている集中巻コイル15Aにも、ワニス34を効率的に含浸させることができる。
また、上記各実施の形態では、本願を電動機に適用した場合について説明しているが、本願を発電機に適用しても、同様の効果を奏する。
また、上記各実施の形態では、8極12スロットの回転電機について説明しているが、極数およびスロット数は、8極12スロットに限定されないことは言うまでもないことである。
Claims (6)
- 円環状のステータコア、および該ステータコアの各ティースに巻装された集中巻コイルを有するステータと、
ロータと、を備え、
胴部、および該胴部の上面の長さ方向の両端に突設された一対のガイド部を有する樹脂製のボビンが、それぞれ、該胴部の長さ方向を上記ティースの径方向に一致させて、該胴部の底面を該ティースの軸方向両端面に沿わせて配置され、
上記集中巻コイルが、導体線を、上記ティースの軸方向両端の上記胴部と上記一対のガイド部とにより形成される凹空間内を通って、該ティースのまわりを所定回巻回させて構成されている回転電機において、
ワニス溜め溝が、溝方向を上記胴部の長さ方向として、該胴部の上面に凹設されて上記一対のガイド部間に延在し、
切り欠きが、上記一対のガイド部の相対する壁面の一方に、当該ガイド部の突出端から根元部に至り、上記ワニス溜め溝に接続されるように形成され、
ワニスが、上記集中巻コイルの上記胴部の軸方向外側の部分に含浸されているとともに、上記ワニス溜め溝および上記胴部の上面と上記集中巻コイルとの間に充填されていることを特徴とする回転電機。 - 上記切り欠きは、上記一対のガイド部の径方向外側に位置するガイド部に形成されていることを特徴とする請求項1記載の回転電機。
- 上記ワニス溜め溝の底面と上記ティースの軸方向端面との間の距離が、上記切り欠きの底面と上記ティースの軸方向端面との間の距離と等しい、又は短いことを特徴とする請求項1又は請求項2記載の回転電機。
- 上記ステータコアのコアバックの軸方向端面に配設された円環状の絶縁ホルダ、および上記絶縁ホルダ内に収納され、上記集中巻コイルの結線用のバスバーを有する配電部材を備え、
上記切り欠きは、上記ステータコアのコアバック側に位置する上記ガイド部に径方向に貫通するように形成され、そのコアバック側の開口が上記絶縁ホルダにより塞口されていることを特徴とする請求項1乃至請求項3のいずれか1項に記載の回転電機。 - 上記導体線が丸線であることを特徴とする請求項1乃至請求項4のいずれか1項に記載の回転電機。
- 上記導体線が平角線であり、
上記集中巻コイルが上記導体線をエッジワイズ巻きに巻かれて構成されていることを特徴とする請求項1乃至請求項4のいずれか1項に記載の回転電機。
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PCT/JP2012/069835 WO2014020755A1 (ja) | 2012-08-03 | 2012-08-03 | 回転電機 |
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Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015208186A (ja) * | 2014-04-23 | 2015-11-19 | 三菱電機株式会社 | 回転電機の固定子および回転電機の固定子の製造方法 |
WO2016000884A1 (de) * | 2014-07-04 | 2016-01-07 | Zf Friedrichshafen Ag | Zahnspule für eine elektrische maschine |
CN105375668A (zh) * | 2014-08-08 | 2016-03-02 | 丰田自动车株式会社 | 用于旋转电机的定子 |
JP2016059227A (ja) * | 2014-09-12 | 2016-04-21 | トヨタ自動車株式会社 | 回転電機ステータ |
JP2016135023A (ja) * | 2015-01-20 | 2016-07-25 | トヨタ自動車株式会社 | インシュレータ |
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JP2018113776A (ja) * | 2017-01-11 | 2018-07-19 | トヨタ自動車株式会社 | ステータ |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008206322A (ja) * | 2007-02-21 | 2008-09-04 | Mitsubishi Electric Corp | 電機子の絶縁シートおよび電機子 |
JP2009072055A (ja) * | 2007-08-21 | 2009-04-02 | Toyota Motor Corp | 分割固定子、モータ、及び分割固定子製造方法 |
JP2010213391A (ja) * | 2009-03-09 | 2010-09-24 | Nissan Motor Co Ltd | 絶縁ボビン、回転電機のステータ、および回転電機のステータの製造方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4726564B2 (ja) * | 2005-07-20 | 2011-07-20 | ヤマハ発動機株式会社 | 回転電機及び電動車椅子 |
JP4935296B2 (ja) * | 2006-10-23 | 2012-05-23 | トヨタ自動車株式会社 | ワニス処理方法及びワニス処理装置 |
JP4840259B2 (ja) * | 2007-06-13 | 2011-12-21 | トヨタ自動車株式会社 | 絶縁部材 |
JP4636192B2 (ja) * | 2009-03-23 | 2011-02-23 | ダイキン工業株式会社 | バスリング、及びその取付構造 |
JP5379550B2 (ja) * | 2009-04-21 | 2013-12-25 | 三菱電機株式会社 | 電機子 |
JP5740931B2 (ja) * | 2010-03-03 | 2015-07-01 | 日本電産株式会社 | 分割ステータ、及びモータ |
CN101785466B (zh) * | 2010-03-25 | 2013-04-17 | 中国农业科学院油料作物研究所 | 油菜增产素 |
-
2012
- 2012-08-03 WO PCT/JP2012/069835 patent/WO2014020755A1/ja active Application Filing
- 2012-08-03 DE DE112012006771.1T patent/DE112012006771B4/de not_active Expired - Fee Related
- 2012-08-03 JP JP2014527922A patent/JP5762638B2/ja not_active Expired - Fee Related
- 2012-08-03 CN CN201280075083.XA patent/CN104508949B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008206322A (ja) * | 2007-02-21 | 2008-09-04 | Mitsubishi Electric Corp | 電機子の絶縁シートおよび電機子 |
JP2009072055A (ja) * | 2007-08-21 | 2009-04-02 | Toyota Motor Corp | 分割固定子、モータ、及び分割固定子製造方法 |
JP2010213391A (ja) * | 2009-03-09 | 2010-09-24 | Nissan Motor Co Ltd | 絶縁ボビン、回転電機のステータ、および回転電機のステータの製造方法 |
Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015208186A (ja) * | 2014-04-23 | 2015-11-19 | 三菱電機株式会社 | 回転電機の固定子および回転電機の固定子の製造方法 |
WO2016000884A1 (de) * | 2014-07-04 | 2016-01-07 | Zf Friedrichshafen Ag | Zahnspule für eine elektrische maschine |
CN105375668B (zh) * | 2014-08-08 | 2018-08-28 | 丰田自动车株式会社 | 用于旋转电机的定子 |
US10027197B2 (en) | 2014-08-08 | 2018-07-17 | Toyota Jidosha Kabushiki Kaisha | Stator for rotary electric machine |
EP2983271A3 (en) * | 2014-08-08 | 2016-07-20 | Toyota Jidosha Kabushiki Kaisha | Insulated stator for rotary electric machine |
JP2016039712A (ja) * | 2014-08-08 | 2016-03-22 | トヨタ自動車株式会社 | 回転電機ステータ |
CN105375668A (zh) * | 2014-08-08 | 2016-03-02 | 丰田自动车株式会社 | 用于旋转电机的定子 |
KR101741658B1 (ko) * | 2014-08-08 | 2017-05-30 | 도요타 지도샤(주) | 회전 전기 기기용 스테이터 |
JP2016059227A (ja) * | 2014-09-12 | 2016-04-21 | トヨタ自動車株式会社 | 回転電機ステータ |
JP2016135023A (ja) * | 2015-01-20 | 2016-07-25 | トヨタ自動車株式会社 | インシュレータ |
JP2016149887A (ja) * | 2015-02-13 | 2016-08-18 | 三菱電機株式会社 | 回転電機の固定子、及び回転電機の固定子の製造方法 |
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US10886804B2 (en) | 2015-04-16 | 2021-01-05 | Aisin Aw Co., Ltd. | Rotating electrical machine |
RU2636659C1 (ru) * | 2015-10-20 | 2017-11-27 | Тойота Дзидося Кабусики Кайся | Статор |
JP2017079539A (ja) * | 2015-10-20 | 2017-04-27 | トヨタ自動車株式会社 | ステータ |
WO2017130274A1 (ja) * | 2016-01-25 | 2017-08-03 | 三菱電機株式会社 | 回転電機の固定子 |
JP2018007452A (ja) * | 2016-07-05 | 2018-01-11 | トヨタ自動車株式会社 | ステータ |
JP2018113776A (ja) * | 2017-01-11 | 2018-07-19 | トヨタ自動車株式会社 | ステータ |
US20190379253A1 (en) * | 2018-06-06 | 2019-12-12 | Mitsubishi Electric Corporation | Rotary electric machine and manufacturing method thereof |
US11050317B2 (en) * | 2018-06-06 | 2021-06-29 | Mitsubishi Electric Corporation | Rotary electric machine and manufacturing method thereof |
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CN104508949B (zh) | 2017-03-22 |
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JP5762638B2 (ja) | 2015-08-12 |
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