CN110323854A - The manufacturing method of the stator of the stator of rotating electric machine, rotating electric machine and rotating electric machine - Google Patents
The manufacturing method of the stator of the stator of rotating electric machine, rotating electric machine and rotating electric machine Download PDFInfo
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- CN110323854A CN110323854A CN201910235204.6A CN201910235204A CN110323854A CN 110323854 A CN110323854 A CN 110323854A CN 201910235204 A CN201910235204 A CN 201910235204A CN 110323854 A CN110323854 A CN 110323854A
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- slot
- conducting wire
- coil
- guiding groove
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/04—Details of the magnetic circuit characterised by the material used for insulating the magnetic circuit or parts thereof
-
- 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
- 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
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient 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
- H02K1/16—Stator cores with slots for windings
-
- 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
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/022—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies with salient poles or claw-shaped 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
- H02K15/08—Forming windings by laying conductors into or around core parts
- H02K15/085—Forming windings by laying conductors into or around core parts by laying conductors into slotted stators
-
- 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
- H02K15/08—Forming windings by laying conductors into or around core parts
- H02K15/095—Forming windings by laying conductors into or around core parts by laying conductors around salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
-
- 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
- H02K3/345—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation 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
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
-
- 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
- H02K2203/06—Machines characterised by the wiring leads, i.e. conducting wires for connecting the winding terminations
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Manufacture Of Motors, Generators (AREA)
- Windings For Motors And Generators (AREA)
Abstract
The present invention provides the manufacturing method of the stator of the stator that can swimmingly wind the rotating electric machine of conducting wire of each phase, rotating electric machine and rotating electric machine.The stator of rotating electric machine have stator core, two insulators and be respectively formed multiple coils three phases conducting wire.At least one party in insulator has the guiding groove for three phases for circumferentially guiding corresponding conducting wire and radially guides multiple through slots of each phase of three phases of corresponding conducting wire.The guiding groove of U phase, V phase and W phase is arranged according to the sequence of U phase, V phase and W phase in the axial direction, and the guiding groove of U phase is near stator core.Multiple through slots of each phase include the end grooves guided to the jumper extended from one end of end coil and the intermediate channel guided to the jumper extended from the both ends of middle coil.The mode that the end grooves of three phases are located between the end grooves of U phase and the end grooves of W phase in the circumferential with the end grooves of V phase arranges.
Description
Technical field
The present invention relates to the manufacturing methods of the stator of the stator of rotating electric machine, rotating electric machine and rotating electric machine.
Background technique
The stator of rotating electric machine has stator core, which has cricoid yoke and from the inner peripheral surface of yoke along diameter
To multiple teeth of extension.In addition, stator has the insulator of the both ends of the surface on the axis direction for being configured at stator core.Each insulation
Body has the cricoid insulator base portion abutted on the axis direction of stator core with yoke and the inner circumferential from insulator base portion
Multiple insulator extensions that face radially extends and abuts with multiple teeth.In addition, stator has U phase, V phase and W phase
Coil.These coils for example by the way that conducting wire to be wound in multiple teeth and multiple insulator extensions in a manner of concentratred winding and
It is formed.The conducting wire for being respectively formed the coil of U phase, V phase and W phase is referred to as to the conducting wire of U phase, V phase and W phase.U phase, V phase and
The coil of W phase is configured in mode adjacent to each other in the circumferential direction of stator core, the circumferential direction of the coil of identical phase in stator core
On configured every two.
In addition, for example, in Japanese Unexamined Patent Publication 4-172955 bulletin, by the conducting wire of U phase, V phase and W phase relative to
Three adjacent teeth start simultaneously at winding in circumferential direction, the conducting wire of each phase are successively wound relative to the tooth configured every two, three
The conducting wire of a phase terminates to wind simultaneously, is thus respectively formed the coil of three phases.The conducting wire of each phase can be efficiently carried out as a result,
Wind operation.
Subject to be solved by the invention
But in such winding method disclosed in above-mentioned bulletin, there are the conducting wire of each phase, conducting wires to supply mouth and other
The worry of the conducting wire interference of phase, is difficult to swimmingly wind the conducting wire of each phase sometimes.
Summary of the invention
The object of the present invention is to which the conducting wire of each phase can swimmingly be wound.
Means for solving the problems
The stator of rotating electric machine for solving the above subject has: stator core, with cricoid yoke and from the yoke
Multiple teeth for radially extending of inner peripheral surface；Two for being respectively arranged at the both ends of the surface on the axis direction of the stator core are exhausted
Edge body；And the conducting wire of U phase, V phase and W phase.Each insulator have the cricoid insulator base portion that is abutted with the yoke and
The multiple insulator extensions for radially extending from the inner peripheral surface of the insulator base portion and being abutted respectively with the multiple tooth.
The insulator base portion have the first end face that is abutted with the yoke and on the axis direction with the first end face phase
The second end face tossed about.The conducting wire of each phase is wound in a manner of concentratred winding multiple teeth and multiple insulator extensions and is formed
Multiple coils.At least one party in the insulator includes is set to the insulator base portion in a manner of circumferentially
The guiding groove of the U phase of outer peripheral surface, V phase and W phase；And prolong along the direction that the guiding groove with the U phase, V phase and W phase intersects
Multiple through slots of each phase of stretch, U phase, V phase and W phase.The guiding groove of the U phase, V phase and W phase is in the axis side
It is arranged upwards according to the sequence of U phase, V phase and W phase.The guidance of U phase in the guiding groove of the U phase, V phase and W phase, described
Slot is on the axis direction near the stator core.The guiding groove of each phase circumferentially guides the corresponding conducting wire.Respectively
Through slot radially penetrates through the insulator base portion and is open in the second end face of the insulator base portion.Each phase it is more
A through slot radially guides the corresponding conducting wire.The conducting wire of each phase also forms multiple jumpers, multiple jumper
The coil of identical phase adjacent in the circumferential is connected with each other, and passes through the corresponding guiding groove and corresponding institute
State through slot.Multiple coils of each phase by connect winding formed, including as series connection winding in first or
Middle coil other than the last one overhang coil and the end coil.The through slot of each phase include to from
End grooves that the jumper that one end of the end coil extends guides and to from the both ends of the middle coil
The intermediate channel that the jumper each extended over guides.The end grooves of three phases are in the circumferential with the end grooves of V phase
Mode between the end grooves of U phase and the end grooves of W phase arranges.
The end coil is also possible to the beginning coil as first coil in series connection winding, the end grooves
It can be the beginning slot guided to first jumper extended from one end of the beginning coil.In this case, institute
First jumper is stated to extend in same direction from the beginning slot of three phases by the corresponding guiding groove.
In first jumper from the direction that the beginning slot extends, the beginning of the U phase in the beginning slot of three phases
End slot is located at forefront side, and the beginning slot position of W phase is in rearmost side.
The manufacturing method of the stator constituted as described above includes the following steps: that the conducting wire by three phases uses respectively
Conducting wire supply mouth is wound in the corresponding tooth and the insulator extension, is thus formed simultaneously the beginning of three phases
Coil；By the conducting wire of three phases each extended over from the beginning coil by the corresponding beginning slot to than
The insulator base portion is drawn by radial outside；And the conducting wire for three phases that the beginning slot is drawn respectively, it uses
The corresponding conducting wire supplies mouth to the direction of the beginning slot for crossing V phase from the beginning slot of W phase and the beginning slot towards U phase
It is guided simultaneously along the corresponding guiding groove.
Detailed description of the invention
Fig. 1 is the cross-sectional view for showing the rotating electric machine in embodiment.
Fig. 2 is the exploded perspective view for showing stator core and insulator in the rotating electric machine of Fig. 1.
Fig. 3 is the perspective view of the stator in the rotating electric machine of Fig. 1.
Fig. 4 is the figure for schematically showing the relationship of conducting wire supply mouth and stator core.
Fig. 5 is the figure for schematically showing the relationship of insulator and tooth.
Fig. 6 is the figure for schematically showing the relationship of insulator, tooth and conducting wire.
Fig. 7 is the figure for schematically showing the relationship of insulator in comparative example, tooth and conducting wire.
Specific embodiment
Hereinafter, based on FIG. 1 to FIG. 7 to by the manufacture of the stator of the stator of rotating electric machine, rotating electric machine and rotating electric machine
The embodiment that method embodies is illustrated.
As shown in Figure 1, rotating electric machine 10 has the rotor 12 of cricoid stator 11 and the inside for being configured at stator 11.It is fixed
Son 11 surrounds rotor 12.Rotor 12 be fixed in the state of being run through by rotary shaft 13 rotary shaft 13 and with rotary shaft 13 integrally
Rotation.Rotor 12 has the rotor core 12a for being fixed in rotary shaft 13.
As shown in FIG. 2 and 3, stator 11 has cricoid stator core 21.Stator core 21 has cricoid yoke 22
And the multiple teeth 23 radially extended from the inner peripheral surface 22a of yoke 22.In the present embodiment, prolong from the inner peripheral surface 22a of yoke 22
Stretch out 15 rooted teeth 23.Multiple teeth 23 are configured along the circumferentially spaced compartment of terrain of stator core 21, and from the inner peripheral surface 22a court of yoke 22
Extend to the axis of stator core 21.The front end face of each tooth 23, i.e. with the face 23a of the end of 22 opposite side of yoke be along rotor iron
The arc-shaped of the outer peripheral surface of heart 12a.
There are two end face 21e for the both ends tool of stator core 21 in the axial direction thereof.Axis of the yoke 22 in stator core 21
It is flat surface that both ends on line direction, which have there are two end face 22e, end face 22e,.Each tooth 23 is in the axis side of stator core 21
Upward both ends tool is flat surface there are two end face 23e, end face 23e.Yoke 22 on the axis direction of stator core 21
Length is identical as the length of each tooth 23 on the axis direction of stator core 21.Thus, the end face 22e of yoke 22 and each tooth 23
End face 23e is in the same plane.The both ends of the surface 22e of the yoke 22 and both ends of the surface 23e of tooth 23 forms the both ends of stator core 21
Face 21e.
Each tooth 23 includes tooth extension 24, extends from the inner peripheral surface 22a of yoke 22；And a pair of of tooth flange part 25, from
It is the front end of tooth extension 24, i.e. prominent to the circumferential two sides of stator core 21 with the end of 22 opposite side of yoke.Stator core 21
With slot 28, which is the space formed between adjacent two teeth 23 in the circumferential direction of stator core 21.Across each slot 28
And the gap between two tooth flange parts 25 relative to each other is channel opening 30.
As shown in Figure 1, stator 11 has coil 27U, 27V, 27W of U phase, V phase and W phase.Each coil 27U, 27V, 27W
A part pass through slot 28.The slot number of the stator 11 of present embodiment is " 15 ".
Stator 11 has the slot insulation piece 29 for being inserted into each slot 28.Slot insulation piece 29 passes through each coil 27U, 27V, 27W's
It insulate with stator core 21 part of each slot 28.Slot insulation piece 29 is in be bent the piece of elongated, belt-shaped along the inner surface of slot 28
At the shape of substantially U-shaped.
Slot insulation piece 29 extends along the yoke 22 and tooth 23 for forming slot 28.In addition, slot insulation piece 29 is from stator core 21
Axis direction on one end extend to the other end.The both ends of slot insulation piece 29 by formed opening 29a in a manner of with channel opening
30 corresponding positions separate opposite with gap.On the axis direction of stator core 21,29a is from one end of slot insulation piece 29 for opening
Extend to the other end.Thus, the 29a that is open extends to the other end from one end on the axis direction of stator core 21.
As shown in FIG. 2 and 3, stator 11 has the cricoid exhausted of the both ends of the surface 21e for being respectively arranged at stator core 21
Edge body 31.Each insulator 31 configures in the state that the axis direction of each insulator 31 is consistent with the axis direction of stator core 21
In the end face 21e of stator core 21.In the following description, unless otherwise specified, then " axis direction ", " radial direction " and
" circumferential direction " indicates direction relevant to stator core 21 or insulator 31.
Each insulator 31 includes cricoid insulator base portion 32；Multiple insulator extensions 33, from insulator base portion 32
Inner peripheral surface 32a radially extend；And a pair of of insulator flange part 34, from each insulator extension 33 front end,
It is i.e. prominent to circumferential two sides with the end of 32 opposite side of insulator base portion.
Insulator base portion 32 is configured at position opposed with yoke 22 in the axial direction.The axis direction of insulator base portion 32
On both ends of the surface 32e be flat surface.First end face 32e and yoke 22 as the side in the both ends of the surface 32e of insulator base portion 32
End face 22e face contact.Thus, insulator base portion 32 is abutted with yoke 22.The outer diameter of insulator base portion 32 is smaller than the outer diameter of yoke 22.
The internal diameter of insulator base portion 32 is identical as the internal diameter of yoke 22.
The number of the insulator extension 33 of each insulator 31 is identical as the number of tooth extension 24.Each insulator extension
Width in 33 circumferential direction with it is of same size in the circumferential direction of each tooth extension 24.Multiple insulator extensions 33 are circumferentially spaced
Compartment of terrain configuration, and extend from the inner peripheral surface 32a of insulator base portion 32 towards the axis of insulator base portion 32.
Each insulator extension 33 is configured at position opposed with each tooth extension 24 in the axial direction.Each insulator prolongs
Extending portion 33 is that the position of first end face 32e from the inner peripheral surface 32a of insulator base portion 32, close to insulator base portion 32 is prominent
Column.Both ends of the surface 33e on the axis direction of each insulator extension 33 is flat surface.Also, prolong as each insulator
The first end face 33e of a side in the both ends of the surface 33e of extending portion 33 is generally aligned in the same plane with the first end face 32e of insulator base portion 32
On.
Each insulator flange part 34 has and in the same plane flat of the first end face 33e of each insulator extension 33
Smooth end face 34e.The end face 34e of the first end face 33e of each insulator extension 33 and each insulator flange part 34 and each tooth
23 end face 23e face contact.Thus, each insulator extension 33 is abutted with each tooth 23.
In addition, each insulator 31 has stretching wall 35, the stretching wall 35 is along axis direction from each insulator extension 33
Front end stretched out to the side opposite with the first end face 33e of the insulator extension 33.Each stretching wall 35 with from each insulation
The front end of body extension 33 is continuous to circumferential two sides two insulator flange parts 34 outstanding.In the circumferential direction of each stretching wall 35
Width in the circumferential direction of two insulator flange parts 34 outstanding from the front end of each insulator extension 33 to circumferential two sides
Overall width is identical.Thus, the edge of the circumferential two sides of each stretching wall 35 and the edge of two insulator flange parts 34 are continuous.It is each exhausted
Edge body flange part 34 and each stretching wall 35 be respectively provided with the face towards insulator base portion 32, i.e. towards the face 34a of radial outside,
35a, these faces 34a, 35a are located on the same face.
Each insulator 31 has opening 36, which is between two adjacent in the circumferential insulator flange parts 34
Gap between gap and two adjacent in the circumferential stretching walls 35.The opening 36 of each insulator 31 is configured in the circumferential
Position identical with the channel opening 30 of stator core 21.
As shown in figure 3, each coil 27U, 27V, 27W have from the both ends of the surface 21e of stator core 21 difference in the axial direction
Two end turn 27e outstanding.Each insulator 31 has coil perforative space 37 (referring to Fig. 2), the coil perforative space 37
It is formed between two adjacent in the circumferential insulator extensions 33.Each end turn 27e passes through coil perforative space 37.Separately
Outside, each insulator 31 has by the of the inner peripheral surface 32a of insulator base portion 32, each stretching wall 35 and each insulator extension 33
The space that biend 33e is divided, each end turn 27e pass through the space.
Each end turn 27e is mobile to radial outside by contacting to be limited with insulator base portion 32.In addition, each line
Circle end 27e with the face 35a of the face 34a of two insulator flange parts 34 and stretching wall 35 by contact to be limited to diameter
Move inward.Each end turn 27e is insulated by insulator extension 33 with tooth 23.
As shown in figure 4, each coil 27U, 27V, 27W are for example formed in the following way: passing through conducting wire supply mouth N1
In the state of the opening 29a of the opening 36 of insulator 31, the channel opening 30 of stator core 21 and slot insulation piece 29, by conducting wire 26
A tooth extension 24 is wound in a manner of concentratred winding and positioned at two of the axis direction two sides of the tooth extension 24
Insulator extension 33.To be respectively formed coil 27U, 27V, 27W of U phase, V phase and W phase conducting wire 26 be referred to as U phase, V phase with
And the conducting wire 26 of W phase.
Conducting wire supply mouth N1 can relative to stator core 21 in the axial direction (in Fig. 4 with arrow Z1 shown in direction) with
And circumferential (direction shown in arrow theta 1 in Fig. 4) relative movement.
As shown in figure 3, coil 27U, 27V, 27W of each phase are configured every two in the circumferential respectively.In this embodiment party
In formula, coil 27U, 27V, 27W of each phase respectively have 5.Adjacent coil 27U, 27V, 27W are mutually not each other in the circumferential
Same phase.
As shown in Fig. 2, the side in two insulators 31 has at least one party of the extraction and the insertion that carry out conducting wire 26
Multiple through slots (either recess portion), i.e. the first through slot (either the first recess portion) 41U, the second through slot (or second recess portion)
41V and third through slot (or third recess portion) 41W.First through slot 41U, the second through slot 41V and third through slot
41W is respectively formed with 5.Total number of first through slot 41U, the second through slot 41V and third through slot 41W and tooth 23
Number is consistent.The second end face of first through slot 41U, the second through slot 41V and third through slot 41W from insulator base portion 32
32e extends in the axial direction, and radially penetrates through insulator base portion 32.
U phase, V phase and W are separately circumferentially guided in addition, being formed in the outer peripheral surface 32b of insulator base portion 32
U phase, the guiding groove of V phase and W phase, i.e. the first guiding groove 51U, the second guiding groove 51V and the third guidance of the conducting wire 26 of phase
Slot 51W.First guiding groove 51U, the second guiding groove 51V and third guiding groove 51W are on the outer peripheral surface 32b of insulator base portion 32
Circumferentially, and on the complete cycle of the outer peripheral surface 32b of insulator base portion 32 extend.First guiding groove 51U, the second guiding groove
51V and third guiding groove 51W is set to the outer peripheral surface 32b of insulator base portion 32 in a row in the axial direction.First guiding groove
51U, the second guiding groove 51V and third guiding groove 51W do not penetrate through insulator base portion 32.
In the insulator base portion 32 from side, from radial when insulator base portion 32, the first guiding groove 51U,
Second guiding groove 51V and third guiding groove 51W are extended parallel to each other.In the axial direction, the first guiding groove 51U is configured at
The position of second end face 32e than the second guiding groove 51V and third guiding groove 51W far from insulator base portion 32.In axis side
Upwards, the second guiding groove 51V is configured at the position of the second end face 32e than third guiding groove 51W far from insulator base portion 32.Cause
And the first guiding groove 51U, the second guiding groove 51V and third guiding groove 51W by the conducting wire 26 of three phases according to the conducting wire of U phase
26, the sequence of the conducting wire 26 of the conducting wire 26 and W phase of V phase is since the conducting wire 26 near the U phase of stator core 21 along axis
Direction arrangement.
As shown in figure 5, the first through slot 41U, the second through slot 41V and third through slot 41W away from insulator base portion
Length (depth) L1, L2, L3 of 32 second end face 32e is different from each other.The length L1 of first through slot 41U is than the second through slot
The length L3 long of the length L2 and third through slot 41W of 41V.The length L2 of second through slot 41V is than third through slot 41W's
Length L3 long.First through slot 41U is configured in the circumferential between the second through slot 41V and third through slot 41W.Second perforation
Slot 41V is configured in the circumferential between the first through slot 41U and third through slot 41W.Third through slot 41W is configured in the circumferential
Between the first through slot 41U and the second through slot 41V.
Each first through slot 41U is in the circumferential by the first guiding groove 51U, the second guiding groove 51V and third guiding groove
The mode that 51W is disconnected radially penetrates through insulator base portion 32, and is open in the second end face 32e of insulator base portion 32, is used for
Radially individually guide the conducting wire 26 of U phase.Each second through slot 41V is in the circumferential by the second guiding groove 51V and third
The mode that guiding groove 51W is disconnected radially penetrates through insulator base portion 32, and opens in the second end face 32e of insulator base portion 32
Mouthful, for radially individually guiding the conducting wire 26 of V phase.Each third through slot 41W is in the circumferential to break third guiding groove 51W
The mode opened radially penetrates through insulator base portion 32, and is open in the second end face 32e of insulator base portion 32, for along diameter
To the conducting wire 26 for individually guiding W phase.
First through slot 41U is all connected to the first guiding groove 51U, the second guiding groove 51V and third guiding groove 51W.
Second through slot 41V is connected to the second guiding groove 51V and third guiding groove 51W.Third through slot 41W third guiding groove 51W
Connection.
As shown in Fig. 2, the interval between adjacent the first through slot 41U and the second through slot 41V, He Zhou in the circumferential
Interval upwards between adjacent insulator extension 33 is identical.In addition, in the circumferential the second adjacent through slot 41V with
Interval between interval between third through slot 41W and adjacent insulator extension 33 in the circumferential is identical.This
Outside, the interval between adjacent the first through slot 41U and third through slot 41W and insulation adjacent in the circumferential in the circumferential
Interval between body extension 33 is identical.
First through slot 41U, the second through slot 41V and third through slot 41W are configured at prolong with insulator in the circumferential
The identical position of extending portion 33.Thus, the first through slot 41U, the second through slot from from the radial direction of insulator base portion 32 respectively
When 41V and third through slot 41W, the first through slot 41U, the second through slot 41V and third through slot 41W are located at corresponding
On the axis L10 (referring to Fig. 5) of tooth 23.The axis L10 of tooth 23 is to extend parallel to the axis of stator core 21 and pass through tooth
The line at 23 circumferential center.
Referring to Fig. 6, to the conducting wire 26 of three phases is wound in the method for corresponding tooth 23 and insulator extension 33 into
Row explanation.For example, supplying mouth N1 using three conducting wires, the conducting wire 26 of three phases is prolonged relative to corresponding tooth 23 and insulator
Extending portion 33 starts simultaneously at winding.It should be noted that for ease of description, only schematically illustrating tooth 23 in Fig. 6, omit
Positioned at the diagram of the insulator extension 33 of the axis direction two sides of each tooth 23.Later, " conducting wire 26 is wound in tooth 23 " is
Refer to, conducting wire 26 is wound in tooth 23 and insulator extension 33 positioned at the axis direction two sides of the tooth.Then, in each phase
In, every 23 coiled electrical conductor 26 of tooth that two configure, relative to corresponding tooth 23, winding terminates the conducting wire 26 of three phases simultaneously.By
This, coil 27U, 27V, 27W of each phase are configured in the circumferential direction of stator core 21 every two respectively.
Coil 27U, 27V, 27W of present embodiment are formed in a manner of winding of connecting.Being accommodated in for conducting wire 26 first is drawn
The part of guide groove 51U, the second guiding groove 51V and third guiding groove 51W be by the circumferential direction of stator core 21 every two
Jumper 271U, 271V, 271W that coil 27U, 27V, 27W of the identical phase of configuration are connected to each other.
Thus, the conducting wire 26 of U phase forms the coil 27U of multiple U phases and will distinguish the coil 27U of adjacent U phase each other
The jumper 271U of connected multiple U phases.Jumper 271U by by the first guiding groove 51U and the first through slot 41U guidance,
To be hooked in the outer peripheral surface 32b of insulator base portion 32.The conducting wire 26 of V phase forms the coil 27V of multiple V phases and will distinguish phase
The jumper 271V for multiple V phases that the coil 27V of adjacent V phase is connected with each other.Jumper 271V by by the second guiding groove 51V with
And second through slot 41V guidance, to be hooked in the outer peripheral surface 32b of insulator base portion 32.The conducting wire 26 of W phase forms multiple W phases
Coil 27W and by the jumper 271W of the coil 27W of the W phase adjacent respectively multiple W phases being connected with each other.Jumper 271W
By being guided by third guiding groove 51W and third through slot 41W, to be hooked in the outer peripheral surface 32b of insulator base portion 32.
About U phase, firstly, the conducting wire 26 of U phase is wound in first corresponding tooth 23, first in series connection winding is formed
A coil (beginning coil), i.e. coil 27U.Later, conducting wire 26 is via first the first through slot 41U and to than insulator base portion
32 draw by radial outside.Conducting wire 26, i.e. the jumper 271U drawn from the first through slot 41U is curved towards the first guiding groove 51U
Folding, and it is accommodated in the first guiding groove 51U.It is accommodated in radial direction of the jumper 271U in insulator base portion 32 of the first guiding groove 51U
Outside circumferentially, is inserted into second next the first through slot 41U and is extended towards insulator extension 33.Then,
The conducting wire 26 of U phase is wound in second tooth 23U and forms second coil 27U.By repeating aforesaid operations, formed every
Every the coil 27U for the U phase that two configure.Then, the conducting wire 26 of U phase is wound in the 5th tooth 23, series connection winding is consequently formed
In the last one coil, i.e. end coil.Coil other than beginning coil and end coil is middle coil.Therefore, it closes
First through slot 41U of meter 5 includes three and guides to the two jumper 271U extended from the both ends of middle coil
Intermediate channel 411U and two end grooves 412U positioned at the circumferential two sides of three intermediate channel 411U.Also, end grooves 412U packet
It includes to the first jumper 271U extended from one end of beginning coil the beginning slot guided and to from end coil
The terminal slot that the last one jumper 271U that one end extends is guided.End grooves 412U (especially beginning slot) is the first slot
An example, intermediate channel 411U is an example of the second slot.
About V phase, firstly, the conducting wire 26 of V phase is wound in first corresponding tooth 23, first in series connection winding is formed
A coil (beginning coil), i.e. coil 27V.Later, conducting wire 26 is via first the second through slot 41V and to than insulator base portion
32 draw by radial outside.Conducting wire 26, i.e. the jumper 271V drawn from the second through slot 41V is curved towards the second guiding groove 51V
Folding, and it is accommodated in the second guiding groove 51V.It is accommodated in radial direction of the jumper 271V in insulator base portion 32 of the second guiding groove 51V
Outside circumferentially, is inserted into second next the second through slot 41V and is extended towards insulator extension 33.Then,
The conducting wire 26 of V phase is wound in second tooth 23 and forms second coil 27V.By repeating aforesaid operations, formed every
Every the coil 27V for the V phase that two configure.Then, the conducting wire 26 of V phase is wound in the 5th tooth 23, series connection winding is consequently formed
In the last one coil, i.e. end coil.Coil other than beginning coil and end coil is middle coil.Therefore, it closes
Second through slot 41V of meter 5 includes three and guides to the two jumper 271V extended from the both ends of middle coil
Intermediate channel 411V and two end grooves 412V positioned at the circumferential two sides of three intermediate channel 411V.Also, end grooves 412V packet
It includes to the first jumper 271V extended from one end of beginning coil the beginning slot guided and to from end coil
The terminal slot that the last one jumper 271V that one end extends is guided.End grooves 412V (especially beginning slot) is the first slot
An example, intermediate channel 411V is an example of the second slot.
About W phase, firstly, the conducting wire 26 of W phase is wound in first corresponding tooth 23, first in series connection winding is formed
A coil (beginning coil), i.e. coil 27W.Later, conducting wire 26 is via first third through slot 41W and to than insulator base portion
32 draw by radial outside.Conducting wire 26, the i.e. jumper 271W drawn from third through slot 41W is curved towards third guiding groove 51W
Folding, and it is accommodated in third guiding groove 51W.It is accommodated in radial direction of the jumper 271W in insulator base portion 32 of third guiding groove 51W
Outside circumferentially, is inserted into second next third through slot 41W and is extended towards insulator extension 33.Then,
The conducting wire 26 of W phase is wound in second tooth 23 and forms second coil 27W.By repeating aforesaid operations, formed every
Every the coil 27W for the W phase that two configure.Then, the conducting wire 26 of W phase is wound in the 5th tooth 23, series connection winding is consequently formed
In the last one coil, that is, end coil.Coil other than beginning coil and end coil is middle coil.Therefore, add up to
5 third through slot 41W include three to being guided from two jumper 271W that the both ends of middle coil extend in
Portion slot 411W and two end grooves 412W positioned at the circumferential two sides of three intermediate channel 411W.Also, end grooves 412W includes
To the first jumper 271W extended from one end of beginning coil the beginning slot guided and to from the one of end coil
The terminal slot that the last one jumper 271W that end extends is guided.End grooves 412W (especially beginning slot) is the first slot
An example, intermediate channel 411W are an examples of the second slot.
Each jumper 271U of U phase includes first end E1, be conducting wire 26 relative to tooth 23 terminate winding and from the
The part that one through slot 41U is drawn；And the second end E2, it is the next first through slot 41U of insertion of conducting wire 26 and phase
Start the part of winding for tooth 23.Each jumper 271V of V phase includes first end E11, is conducting wire 26 relative to tooth
23 terminate winding and from the second through slot 41V draw part；And the second end E22, it is that the insertion of conducting wire 26 is next
Second through slot 41V and relative to tooth 23 start winding part.Each jumper 271W of W phase includes first end E111,
Be conducting wire 26 relative to tooth 23 terminate winding and from third through slot 41W draw part；And the second end E222, it is
The part of conducting wire 26 be inserted into next third through slot 41W and start winding relative to tooth 23.
From first end E1, E11, E111 of jumper 271U, 271V, 271W of three phases towards the second end E2,
The direction of E22, E222 are mutually the same direction (directions shown in arrow T1 in Fig. 6).In other words, by three phases
The direction of travel that conducting wire 26 is respectively relative to used three conducting wires supply mouth N1 when corresponding tooth 23 winding is mutually the same
Direction.It should be noted that the direction of travel of conducting wire said here supply mouth N1 refers to, by jumper 271U, 271V,
271W is contained in shifting during corresponding guiding groove 51U, 51V, 51W, that conducting wire supply mouth N1 is relative to stator core 21
Dynamic direction.Direction of travel of the direction indicated in Fig. 6 with arrow T1 relative to conducting wire supply mouth N1 relative to stator core 21.
Here, being conceived to from a first through slot 41U of N (N=1~4), n-th the second through slot 41V and n-th
The position of first end E1, E11, E111 of jumper 271U, 271V, 271W of three phases that third through slot 41W is drawn respectively
Set relationship.The first end E1 of the jumper 271U for the U phase drawn from n-th the first through slot 41U is located at than from n-th second
The first end of jumper 271V, 271W of V phase and W phase that through slot 41V and n-th third through slot 41W are drawn respectively
Portion E11, E111 are close to the position of the second end E22, E222 of jumper 271V, 271W of these V phases and W phase.In addition, from
The first end E11 of the jumper 271V for the V phase that n-th the second through slot 41V is drawn is located at than from n-th third guiding groove
The first end E111 of the jumper 271W for the W phase that 51W is drawn is close to the position of the second end E222 of the jumper 271W of the W phase
It sets.In other words, on direction of travel (channeling direction of jumper) T1 of conducting wire supply mouth N1, from the first through slot of n-th 41U
The first end E1 of the jumper 271U of the U phase of extraction is located at forefront side, the V phase drawn from n-th the second through slot 41V
The first end E11 of jumper 271V is located at second, the jumper 271W's for the W phase drawn from n-th third through slot 41W
First end E111 is located at rearmost side.That is, on direction of travel (channeling direction of jumper) T1 of conducting wire supply mouth N1, the
In N number of first~third through slot 41U, 41V, 41W, the first through slot 41U is located at forefront side, the second through slot 41V
In second, third through slot 41W is located at rearmost side.
End grooves (beginning slot or terminal slot) 412U, 412V, 412W of three phases is with the end grooves of V phase in the circumferential
The mode that 412V is located between the end grooves 412W of the end grooves 412U and W phase of U phase arranges.The conducting wire 26 of three phases is rolled up respectively
The conducting wire supply mouth N1 for being around in tooth 23 crosses the beginning slot i.e. end grooves 412V of V phase in the beginning slot from W phase i.e. end grooves 412W
And towards in the beginning of U phase slot, that is, end grooves 412U circumferential direction along the first guiding groove 51U, the second guiding groove 51V and third
Guiding groove 51W simultaneously guides the corresponding conducting wire 26 drawn respectively from beginning slot, that is, end grooves 412U, 412V, 412W.
The conducting wire 26 of three phases winding starting side end, that is, top portion respectively with corresponding power supply terminal (not shown)
Electrical connection.In addition, the winding of the conducting wire 26 of three phases terminates end, that is, terminal part of side at neutral point linking part (not shown)
It is electrically connected to each other.Also, by the streaming current in coil 27U, 27V, 27W of each phase, thus rotor 12 and rotary shaft 13 1
Rotate to body.
Next, the effect to present embodiment is illustrated.
Jumper 271U, 271V, 271W of three phases be accommodated in respectively the first guiding groove 51U, the second guiding groove 51V and
Therefore third guiding groove 51W can prevent jumper 271U, 271V, 271W of three phases to be in contact with each other.Thus, three phases across
Wiring 271U, 271V, 271W are insulated from each other in such a way that the radial outside in insulator base portion 32 does not contact each other.
In order to efficiently wind the conducting wire 26 of three phases, it is contemplated that the conducting wire 26 of three phases is same relative to corresponding tooth 23
When start to wind, and by the conducting wire of each phase 26 relative to at equal intervals every two configure tooth 23 wind.
As shown in fig. 7, for example, on the direction of travel T1 of three conducting wires supply mouth N1, from first the first through slot 41U
The first end E1 of the jumper 271U of the U phase of extraction is located at than passing through from first the second through slot 41V and first third
The position of the side rearward first end E11, E111 of jumper 271V, 271W of V phase and W phase that through slot 41W is drawn respectively.
It should be noted that in the same manner as present embodiment, the jumper 271U of U phase is located in the axial direction than V phase and W phase
Jumper 271V, 271W are close to the position of stator core 21.In this case, supplying mouth N1 in three conducting wires will be corresponding
During jumper 271U, 271V, 271W are guided towards second through slot 41U, 41V, 41W along the direction of arrow T1, in U
Before the jumper 271U of phase reaches second the first through slot 41U, jumper 271V, 271W of V phase and W phase first crosscutting the
Two the first through slot 41U.Therefore, second the is directed radially through in the conducting wire supply mouth N1 of the jumper 271U of guidance U phase
When one through slot 41U, interfere with jumper 271V, 271W of V phase and W phase, so that the conducting wire 26 of U phase can not be wound.
For this purpose, as shown in fig. 6, the end grooves (beginning slot or terminal slot) of three phases 412U, 412V, 412W are in the circumferential
The mode being located between the end grooves 412W of the end grooves 412U and W phase of U phase with the end grooves 412V of V phase arranges.Pass through as a result,
Properly select the conducting wire 26 that each phase is guided in the first guiding groove 51U, the second guiding groove 51V and third guiding groove 51W
Direction, so that the jumper 271U for not occurring at U phase reaches the jumper crosscutting first of other phases before the first through slot 41U
Through slot 41U is such, situation such illustrated by Fig. 7.For example, if the U drawn from end grooves 412U, 412V, 412W
Sequence of the conducting wire 26 of phase, V phase and W phase on axis direction and circumferential direction according to U phase, V phase and W phase arranges, then U
The conducting wire 26 of phase, V phase and W phase becomes obliquely to arrange from the position that corresponding end grooves 412U, 412V, 412W are drawn.?
Among the conducting wire 26 of three phases, by the conducting wire 26 drawn near the conducting wire 26 of stator core 21, i.e. from most deep end grooves with
The mode separated with the extraction location of other conducting wires 26 circumferentially guides, while other conducting wires 26 also being drawn in same direction
It leads.In this way, such situation illustrated by Fig. 7 can be prevented.
In the above-described embodiment, following effect can be obtained.
End grooves 412U, 412V, 412W of (1) three phase are located at the end of U phase in the circumferential with the end grooves 412V of V phase
Mode between the end grooves 412W of slot 412U and W phase arranges.Leading for three phases of winding is being started simultaneously at relative to tooth 2 as a result,
Line 26 and by the conducting wire of each phase 26 relative to at equal intervals every two configure tooth 23 continuously wind in the case where, each phase
Conducting wire 26, conducting wire supply mouth N1 not with the conducting wire of other phases 26 interfere.Thus, it is possible to swimmingly wind the conducting wire 26 of each phase.
(2) the first through slot 41U, the second through slot 41V and third are observed respectively in the radial direction along insulator base portion 32
When through slot 41W, the first through slot 41U, the second through slot 41V and third through slot 41W are located at corresponding tooth 23
On axis L10.As a result, for example, being located relative to the first through slot 41U, the second through slot 41V and third through slot 41W
The case where position that the axis L10 of corresponding tooth 23 is staggered, is compared, can easily will the first through slot 41U of insertion, the
The conducting wire 26 of two through slot 41V and third through slot 41W are wound in tooth 23.
It should be noted that above embodiment can also change as follows.
Zero is also possible to observe the first through slot 41U, the second through slot 41V respectively in the radial direction along insulator base portion 32
And when third through slot 41W, the first through slot 41U, the second through slot 41V and third through slot 41W are located relative to point
The position that the axis L10 of not corresponding tooth 23 is staggered.
Zero for example, it can be the first guiding groove 51U, the second guiding groove 51V and third guiding groove 51W are by from insulation
The outer peripheral surface 32b of body base portion 32 is prominent and multiple protrusions for arranging in circumferential direction and axis direction divide to be formed.
Zero is also possible to the second end face away from insulator base portion 32 of the second through slot 41V and third through slot 41W
The length (depth) of the second end face 32e away from insulator base portion 32 of length (depth) L2, L3 and the first through slot 41U of 32e
L1 is identical.
Positional relationship on the axis direction of jumper 271U, 271V, 271W of 03 phases can suitably change.
Zero is also possible to form first~third through slot 41U, 41V, 41W and first in two 31 both sides of insulator
~third guiding groove 51U, 51V, 51W.Also, for example, firstly, first of the side in two insulators 31 will have been passed through respectively
The conducting wire 26 of three phases of~third through slot 41U, 41V, 41W is wound in corresponding tooth 23 and forms coil 27U, 27V, 27W.
Later, three can also be drawn respectively from first~third through slot 41U, 41V, 41W of another party in two insulators 31
The conducting wire 26 of phase.
As long as the number of poles of coil 27U, 27V, 27W of zero each phase are two or more, it is not particularly limited.
Interval in the circumferential direction of 0 first through slot 41U can also be unequal.It is passed through about the second through slot 41V and third
Through slot 41W is also same.
Zero is also possible to that separator is arranged inside first~third through slot 41U, 41V, 41W are respective, and the first~the
Three through slot 41U, 41V, 41W are separated into the sky for passing through from the conducting wire 26 that one end of coil 27U, 27V, 27W extend respectively
Between and for from the space that the conducting wire 26 that the other end of coil 27U, 27V, 27W extend passes through.
Zero stator core 21 and insulator 31 are respectively either integral structure, is also possible to segmenting structure.In this reality
Apply in mode, no matter which kind of structure, can implement same Wire-wound method.
Zero in embodiments term as illustrated " U phase ", " V phase " and " W phase " only in order to
The name for ease of description for easily distinguishing the purpose of different from each other three phase of three-phase motor and this three mutually being marked
Claim.In short, the conducting wire 26 that the beginning coil about three phases with three-phase motor is connected, as long as to the radial outside of insulator 31
The position of extraction obliquely arranges.
Claims (5)
1. a kind of stator of rotating electric machine, has:
Stator core, multiple teeth which has cricoid yoke and radially extend from the inner peripheral surface of the yoke；
Two insulators, two insulators are respectively arranged at the both ends of the surface on the axis direction of the stator core, each to insulate
Body has the cricoid insulator base portion abutted with the yoke and radially extends simultaneously from the inner peripheral surface of the insulator base portion
And the multiple insulator extensions abutted respectively with the multiple tooth, the insulator base portion have first abutted with the yoke
End face and the second end face on the axis direction with the first end face opposite side；And
The conducting wire of U phase, V phase and W phase, the conducting wire of each phase are wound in multiple teeth and multiple insulators in a manner of concentratred winding
Extension and form multiple coils,
At least one party in the insulator includes
The guiding groove of the guiding groove of U phase, V phase and W phase, the U phase, V phase and W phase is set to institute in a manner of circumferentially
State the outer peripheral surface of insulator base portion, the guiding groove of the U phase, V phase and W phase on the axis direction according to U phase, V phase with
And the sequence of W phase arranges, the guiding groove of U phase in the guiding groove of the U phase, V phase and W phase, described is in the axis direction
On near the stator core, the guiding groove of each phase circumferentially guides the corresponding conducting wire；And
Multiple through slots of each phase of U phase, V phase and W phase, multiple through slot is along the guidance with the U phase, V phase and W phase
The direction that slot intersects extends, and each through slot radially penetrates through the insulator base portion and described the of the insulator base portion
Biend opening, multiple through slots of each phase radially guide the corresponding conducting wire,
The conducting wire of each phase also forms multiple jumpers, and multiple jumper is by the line of identical phase adjacent in the circumferential
Circle is connected with each other, and passes through the corresponding guiding groove and the corresponding through slot,
Multiple coils of each phase by connect winding formed, including as series connection winding in first or last
Middle coil other than a overhang coil and the end coil,
The through slot of each phase includes the end guided to the jumper extended from one end of the end coil
Slot and the intermediate channel that the jumper each extended over from the both ends of the middle coil is guided,
The end grooves of three phases are located between the end grooves of U phase and the end grooves of W phase in the circumferential with the end grooves of V phase
Mode arranges.
2. stator according to claim 1, wherein
The end coil is the beginning coil as first coil in series connection winding, and the end grooves are to from the beginning
The beginning slot that first jumper that one end of end-coil extends guides,
First jumper is from the beginning slots of three phases by the corresponding guiding groove along identical side
To extension, in U of first jumper from the direction that the beginning slot extends, in the beginning slot of three phases
The beginning slot position of phase is in forefront side, and the beginning slot position of W phase is in rearmost side.
3. stator according to claim 1 or 2, wherein
The intermediate channel of U phase, V phase and W phase is in the circumferential according to the arrangement of the end grooves with U phase, V phase and W phase
Same order arrangement.
4. a kind of rotating electric machine, has:
Rotor；
Stator described in any one of claims 1 to 3.
5. a kind of manufacturing method of stator is the manufacturing method of stator as claimed in claim 2, wherein
The manufacturing method of the stator includes the following steps:
The conducting wire of three phases is wound in the corresponding tooth using conducting wire supply mouth respectively and the insulator extends
Thus portion is formed simultaneously the beginning coil of three phases；
By the conducting wire of three phases each extended over from the beginning coil by the corresponding beginning slot to than
The insulator base portion is drawn by radial outside；And
The conducting wire to three phases drawn respectively from the beginning slot, using the corresponding conducting wire supply mouth to from
The beginning slot of W phase is crossed the beginning slot of V phase and along the corresponding guiding groove while being carried out towards the direction of the beginning slot of U phase
Guidance.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018-070058 | 2018-03-30 | ||
| JP2018070058A JP7004164B2 (en) | 2018-03-30 | 2018-03-30 | Method for manufacturing rotary electric machine stator, rotary electric machine, and rotary electric machine stator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110323854A true CN110323854A (en) | 2019-10-11 |
| CN110323854B CN110323854B (en) | 2021-10-01 |
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| CN201910235204.6A Active CN110323854B (en) | 2018-03-30 | 2019-03-26 | Stator for rotating electric machine, and method for manufacturing stator for rotating electric machine |
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| Country | Link |
|---|---|
| JP (1) | JP7004164B2 (en) |
| KR (1) | KR102178609B1 (en) |
| CN (1) | CN110323854B (en) |
| DE (1) | DE102019107762A1 (en) |
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| WO2021140715A1 (en) | 2020-01-08 | 2021-07-15 | 三菱電機株式会社 | Stator for rotary electric machine, rotary electric machine, method for manufacturing stator for rotary electric machine, and method for manufacturing rotary electric machine |
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| ＳＴＡＮＬＥＹＤ．ＰＡＹＮＥ: "电机定子绕组和机械下线 ", 《中小型电机》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102019107762A8 (en) | 2019-12-12 |
| JP2019180217A (en) | 2019-10-17 |
| KR102178609B1 (en) | 2020-11-13 |
| JP7004164B2 (en) | 2022-01-21 |
| KR20190114832A (en) | 2019-10-10 |
| DE102019107762A1 (en) | 2019-10-02 |
| CN110323854B (en) | 2021-10-01 |
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