CN104508949B - Rotating electrical machine - Google Patents
Rotating electrical machine Download PDFInfo
- Publication number
- CN104508949B CN104508949B CN201280075083.XA CN201280075083A CN104508949B CN 104508949 B CN104508949 B CN 104508949B CN 201280075083 A CN201280075083 A CN 201280075083A CN 104508949 B CN104508949 B CN 104508949B
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- China
- Prior art keywords
- paint
- main part
- coil
- groove
- rotating machine
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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
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The invention provides a rotating electrical machine in which varnish impregnation from an inner peripheral surface of a coil end is promoted, and the varnish impregnation rate of the coil end is increased. In this rotating electrical machine, a barrel part and a resinous bobbin, which has a pair of guide parts protruding from both ends in the length direction of the top surface of the barrel part, are both arranged so that the bottom surface of the barrel part runs along both axial end surfaces of the teeth; a concentrated winding coil is wound a predetermined number of times around the teeth with a conducting wire passed through a concave space formed by the barrel part and the pair of guide parts; a varnish-collecting groove is recessed in the top surface of the barrel part and extended between the pair of guide parts; a notch is formed in one of the opposing wall surfaces of the pair of guide parts from the protruding end of the guide part to the base so as to be connected to the varnish-collecting groove; and the varnish impregnates a portion of the concentrated winding coil that is located to the outside in the axial direction of the barrel part and fills in the varnish-collecting groove and the space between the top surface of the barrel part and the concentrated winding coil.
Description
Technical field
The present invention relates to for example be applied to the electric rotating machine of motor, generator, particularly paint towards stator coil
Impregnation structure.
Background technology
In existing electric rotating machine, stator core is kept into into level, in the upside coil-end projected from stator core
Inner circumferential side and circumferential lateral surface, be configured to the sealing structure sealed between the upper surface to stator core with being cylindrical in shape
Part, then, from the upper surface injection paint of upside coil-end, makes paint be impregnated with from the top of upside coil-end downward and flow down (example
Such as reference patent document 1).
Prior art literature
Patent document
Patent document 1:Japanese Patent Laid-Open 2008-109733 publication
The content of the invention
Invention technical problem to be solved
In existing electric rotating machine, the paint injected from the upper surface of upside coil-end is along the upside coil-end exposed
Outer peripheral face is flowed down, and prevents which towards the outflow of internal side diameter and outside diameter by containment member, and by flowing down in groove.Paint is along dew
During the outer peripheral face of the upside coil-end for going out is flowed down, it is impregnated in from the outer peripheral face of upside coil-end because of capillarity
In lateral coil end.However, paint is difficult to from the inner peripheral surface of the upper surface in the face of stator core of upside coil-end be impregnated with, existing can not
Improve technical problem as the paint impregnation rate of upside coil-end.
The present invention makees for solving above-mentioned technical problem, its object is to acquisition and paint can be promoted to contain from the inner peripheral surface of coil-end
Leaching, and can improve coil-end paint impregnation rate electric rotating machine.
Solve the technical scheme adopted by technical problem
The electric rotating machine of the present invention includes:Stator, it is fixed that there is the stator circular stator core and winding to be installed on this
The concentration convolute coil of sub each pole tooth unshakable in one's determination;And rotor.Resinous bobbin with main part and a pair of guide parts
Be respectively configured to make the length direction of the main part radially consistent with above-mentioned pole tooth, and the bottom surface of the main part is made along this
The axial both ends of the surface of pole tooth, above-mentioned a pair of guide parts are based in the two ends of the length direction of the upper surface of the main part, above-mentioned collection
Middle convolute coil is by making conductor lines through aforementioned body portion and above-mentioned a pair of guide parts at the axial two ends by above-mentioned pole tooth
In the concave space of formation, and constitute around pole tooth winding regulation circle.Additionally, paint accumulates groove with groove direction as aforementioned body
The length direction in portion is recessed to be extended in the upper surface of the main part and between above-mentioned a pair of guide parts, in above-mentioned a pair of guide parts
On a side in relative wall, breach reaches root with the jag from the guide part and accumulates the side that groove is connected with above-mentioned paint
Formula is formed, and paint is impregnated in the axially external part in the aforementioned body portion of above-mentioned concentration convolute coil, and is filled in above-mentioned paint product
Deposit between upper surface and the above-mentioned concentration convolute coil in groove and aforementioned body portion.
Invention effect
According to the present invention, paint is filled in paint and accumulates the upper surface of groove and main part and concentrate between convolute coil, therefore, promote
The inner peripheral surface impregnation painted from the upper surface in the face of main part for concentrating convolute coil is entered, and the paint for concentrating convolute coil can have been improved
Impregnation rate.
Description of the drawings
Fig. 1 is the sectional side elevation of the electric rotating machine for representing embodiment of the present invention one.
Fig. 2 is the partial cutaway end view drawing of the electric rotating machine for representing embodiment of the present invention one.
Fig. 3 is the III-III regarding sectional views of Fig. 2.
Fig. 4 is the stereogram of the coil assembly in the electric rotating machine for represent embodiment of the present invention one.
Fig. 5 is the solid of the bobbin of the coil assembly for representing the electric rotating machine for being assembled in embodiment of the present invention one
Figure.
Fig. 6 is the stereogram of the assembly unshakable in one's determination of the electric rotating machine for representing embodiment of the present invention one.
Fig. 7 is the exploded perspective view of the assembly unshakable in one's determination of the electric rotating machine for representing embodiment of the present invention one.
Fig. 8 is the solid of the bobbin of the coil assembly for representing the electric rotating machine for being assembled in embodiment of the present invention two
Figure.
Fig. 9 is the end view drawing of the stator of the electric rotating machine for representing embodiment of the present invention three.
Figure 10 is the X-X regarding sectional views of Fig. 9.
Figure 11 is the stereogram of the coil assembly in the electric rotating machine for represent embodiment of the present invention three.
Figure 12 is the solid of the bobbin of the coil assembly for representing the electric rotating machine for being assembled in embodiment of the present invention three
Figure.
Specific embodiment
Hereinafter, the preferred embodiment of the electric rotating machine of the present invention is illustrated using accompanying drawing.
Embodiment one
Fig. 1 is the sectional side elevation of the electric rotating machine for representing embodiment of the present invention one, and Fig. 2 is to represent embodiment of the present invention one
Electric rotating machine partial cutaway end view drawing, Fig. 3 is the III-III regarding sectional views of Fig. 2, and Fig. 4 is to represent embodiment of the present invention
The stereogram of the coil assembly in one electric rotating machine, Fig. 5 are to represent the electric rotating machine for being assembled in embodiment of the present invention one
Coil assembly bobbin stereogram, Fig. 6 is the assembly unshakable in one's determination of the electric rotating machine for representing embodiment of the present invention one
Stereogram, Fig. 7 is the exploded perspective view of the assembly unshakable in one's determination of the electric rotating machine for representing embodiment of the present invention one.In addition, vertical
Cut open the sectional view that figure refers to the axle center of electric rotating machine.
In Fig. 1 to Fig. 3, electric rotating machine 100 includes:Axle 4, the axle 4 are supported on framework 1 in revolvable mode;Rotor
2, the rotor 2 is fixed on axle 4 and is configured in framework 1 in revolvable mode;And stator 8, the stator 8 has circular
Stator core 9 and be installed on the stator coil 10 of stator core 9, stator core 9 is held in framework 1, the stator 8 be configured to every
The gap for regulation surrounds rotor 2.
Rotor 2 includes:Rotor core 3, the rotor core 3 are, for example, to be punched the electromagnetic steel plate stacking of established practice setting shape
Integration and produce;Axle 4, the axle 4 are pressed into, are fixed on axle inserting hole 6, and the axle inserting hole 6 is through the axle center of rotor core 3
Position;And permanent magnet 5, the permanent magnet 5 is inserted in each magnet insertion holes 7 of eight magnet insertion holes 7, above-mentioned eight
Magnet insertion holes 7 extend through rotor core 3, and are arranged in waiting angular separation on same circumference.
Stator core 9 is made up of 12 laminations 11.That is, lamination 11 is formed as stator core 9 circumferentially 12
Shape after decile.Lamination 11 includes:The rear of core 12 of circular arc, the rear of core 12 will e.g. be punched into same
The polylith electromagnetic steel plate of shape is laminated integration and produces;Pole tooth 13, the pole tooth 13 is from the inner peripheral surface of rear of core 12
Circumferential central authorities extend towards radially inner side;And flange part 14, the flange part 14 extends from the elongated end of pole tooth 13 towards circumferential both sides.
As shown in figure 4, coil assembly 16 includes:Assembly unshakable in one's determination 32, the assembly unshakable in one's determination 32 are by a pair of bobbins
20 are configured at the end face of lamination 11 and by a pair of insulating papers 28 from circumferential the two of lamination 11 from the axial both sides of lamination 11
Side is configured at the side of lamination 11 and constitutes;And convolute coil 15 is concentrated, the concentration convolute coil 15 is by conductor lines
33 produce around the pole tooth 13 and a pair of winding regulation circles of bobbin 20 of lamination 11.Herein, conductor lines 33 use quilt
Insulate the rounded copper round wire in the section for covering, aluminium round wire.
Bobbin 20 is the resin-formed body using such as polyphenylene sulfide (PPS) resin.As shown in figure 5, bobbin 20 is wrapped
Include:Section orthogonal to the longitudinal direction is set to have carried out fillet to two corners of upper side add by main part 21, the main part 21
Work it is substantially rectangular, and be configured to make length direction radially consistent with pole tooth 13, make bottom surface along the axial direction of pole tooth 13
Both ends of the surface;First guide part 22, length direction side court and bottom surface phase of first guide part 22 from the upper surface of main part 21
Anti- side (with 13 opposite side of pole tooth) extends;Second guide part 23, second guide part 23 is from the upper surface of main part 21
Relatively court is extended with bottom surface opposite side for length direction opposite side and the first guide part 22;And the skirt section 24 of thin-walled, the skirt
Portion 24 is from the both ends of the width of main part 21, the first guide part 22 and the second guide part 23 towards the upper table with main part 21
Face opposite side extends specific length.
A pair of slits 25 for inserting for conductor lines 33 are formed at the second guide part 23.It is in square that paint accumulates groove 26 with section
The groove shape of shape, in the way of reaching opposite side from the length direction side of main part 21 the recessed upper surface in main part 21
Width central authorities.Paint injection breach 27 the second guide part 23 width centre along main part 21 length
The second guide part 23 is run through in degree direction, reaches root side from the elongated end of the second guide part 23, and is connected with paint accumulation groove 26.Lack
The bottom surface of mouth 27 is gradually deepened from the other end of the length direction of main body 21 towards a side, is formed as and paints the bottom surface for accumulating groove 26
With the inclined plane that wheel chair access mode connects.
Insulating paper 28 is sheet material to be carried out stamping and formed, and the sheet material is, for example, to be pressed from both sides with aromatic polyamide fibre
Firmly polyimide film and produce.As shown in fig. 7, insulating paper 28 has:Protection portion 29, the protection portion 29 abut lamination 11
Rear of core 12, pole tooth 13 and flange part 14 the wall for marking off groove;And first cap 30 and the second cap 31, this
One cap 30 and the second cap 31 cover concentration convolute coil 15 with turning back.
Additionally, insulating paper 28 is configured to make protection portion 29 abut rear of core 12, pole from the circumferential both sides of lamination 11
The wall for marking off groove of tooth 13 and flange part 14, bobbin 20 are configured to make main part 21 from the axial both sides of lamination 11
Length direction it is radially consistent with pole tooth 13, and make the end face of the bottom surface of main part 21 along lamination 11.Thereby, assemble
Assembly unshakable in one's determination 32 shown in Fig. 6.
Herein, bobbin 20 separates the division of specified gap and rear of core 12, pole tooth 13 and flange part 14 with skirt section 24
The relative mode of wall for going out groove extends, and the entire surface of the axial end for being configured to cover pole tooth 13.The guarantor of insulating paper 28
The two ends in shield portion 29 are inserted between the wall for marking off groove of rear of core 12, pole tooth 13 and flange part 14 and skirt section 24,
And it is configured at the circumferential both sides of lamination 11.
Additionally, conductor lines 33 are drawn between the first guide part 22 and the second guide part 23 from side's slit 25, around
After the pole tooth 13 for lamination 11 and the winding regulation circle of a pair of main parts 21 for being configured at its axial two ends, by narrow from the opposing party
Groove 25 is pulled out.Thereby, produce the coil assembly 16 for concentrating the winding of convolute coil 15 to be installed on assembly unshakable in one's determination 32.The coil
Assembly 16 forms the state shown in Fig. 4 because the first cap 30 of insulating paper 28, the second cap 31 are turned back.
Such coil assembly 16 for constituting is abutted each other with the end face of the circumference of the rear of core 12 of lamination 11
Mode is arranged circlewise in the circumferential, is then pressed into, is fixed in the ring portion 17 of annular shape, and or inserted by shrink fit, it is solid
Determine to ring portion 17, so as to constitute stator 8.
Herein, lamination 11 is arranged in annular shape in the way of the end face of the circumference of rear of core 12 to be abutted each other, from
And constitute stator core 9.In addition, rear of core 12 constitutes the back of the body unshakable in one's determination of stator core 9 in circumferential connection, by the back of the body unshakable in one's determination and
The space that adjacent pole tooth 13 is formed constitutes groove.In addition, by 12 concentration winding lines of the pole tooth 13 for being wound in lamination 11
Circle 15 constitutes stator coil 10.Additionally, concentrating constituting from stator core 9 towards the part of axially external protrusion for convolute coil 15 fixed
The coil-end of subcoil 10.
Although not shown, the stator 8 for but so constituting is kept into level by vertical of axial direction.Additionally, the tubular in big footpath
Containment member be configured at stator core 9 in the way of the face with the outside diameter of the second guide part 23 of each bobbin 20 contacts
Upper surface, what the containment member of the tubular of path was contacted with the face with the internal side diameter of the first guide part 22 of each bobbin 20
Mode is configured at the upper surface of stator core 9.Additionally, paint 34 drip to from above vertical it is outside towards the axle of stator core 9
The part of the concentration convolute coil 15 that side projects.Paint 34 is flowed down along the outer peripheral face for exposing for concentrating convolute coil 15, by sealing
Component prevents which towards the outflow of internal side diameter and outside diameter, and by flowing down in groove.In addition, a part for paint 34 passes through breach 27
And be filled in paint and accumulate groove 26.
Additionally, painting 34 during flowing down along the outer peripheral face for exposing for concentrating convolute coil 15 because of capillarity
It is dipped in concentration convolute coil 15 from the outer peripheral face for concentrating convolute coil 15.On the other hand, it is filled in paint and accumulates the paint in groove 26
34 are contacted with the inner peripheral surface for concentrating convolute coil 15, and are dipped into collection because of capillarity from the inner peripheral surface for concentrating convolute coil 15
In middle convolute coil 15.Additionally, the paint 34 being filled in paint accumulation groove 26 is dipped into concentration convolute coil 15 because of capillarity
Inner peripheral surface and the upper surface of main part 21 between, and from concentrate convolute coil 15 the upper surface in the face of main part 21 inner circumferential
Face is dipped in concentration convolute coil 15.
Then, spin upside down stator 8, and similarly make paint 34 be dipped into concentration convolute coil 15.Additionally, being impregnated in concentration
The paint 34 of convolute coil 15 and the paint 34 being filled in paint accumulation groove 26 solidify, and concentrate convolute coil 15 to be fixed in bobbin 20.
The electric rotating machine 100 for so constituting is from external power source via the axially annular shape of a side for being configured at stator 8
Distribution member 40 is powered towards stator coil 10, and the synchronous motor as the inner-rotor type of 12 groove of the ends of the earth enters action
Make.
According to the embodiment one, convolute coil 15 is concentrated to be mounting through by the axial direction two for being configured at pole tooth 13 by winding
In the concave space that the main part 21 of the bobbin 20 at end, the first guide part 22 and the second guide part 23 are formed.Additionally, paint accumulates groove
26 by recessed into extending along the length direction of main part 21 in the upper surface of main part 21, breach 27 is accumulating groove 26 with paint
The mode of the other end connection in groove direction is formed at the second guide part 23.Therefore, in the impregnation operation of paint 34, paint 34 is from concentration
The outer peripheral face for exposing of convolute coil 15 and the inner peripheral surface for accumulating groove 26 in the face of paint are impregnated with, accordingly, it is capable to improve stator coil 10
The paint impregnation rate of coil-end.
Therefore, concentrate the heat sent in convolute coil 15 stator core 9 to be transferred to via bobbin 20, and further pass
It is handed to ring portion 17 and distributes from ring portion 17, accordingly, it is capable to suppresses to concentrate the excessive temperature of convolute coil 15 to rise.In addition, concentrating volume
Coiling 15 is fixed in bobbin 20, therefore, can prevent concentrate convolute coil 15 shake because of the vibrations of vehicle, and then depart from around
Spool 20 is rubbed with lamination 11 and causes the situation of defective insulation.
Breach 27 is formed at the second guide part 23 of outside diameter, therefore, working space during paint injection is expanded, and is improved
Paint injection workability.
The bottom surface of breach 27 is gradually deepened from the other end of the length direction of main part 21 towards a side, is formed as and paint product
The inclined plane that the bottom surface of groove 26 is connected in wheel chair access mode is deposited, therefore, the bottom surface of breach 27 is with the paint by breach 27 is flowed into
34 modes for being delivered to paint accumulation groove 26 work.Therefore, can guarantee all the time to paint the amount for accumulating the paint 34 in groove 26, have paint 34
Effect it is impregnated in concentration convolute coil 15.
Conductor lines 33 are circular cross-section, therefore, paint 34 can be made effectively to be impregnated in concentration convolute coil 15.
In addition, in above-mentioned embodiment one, the bottom surface of breach 27 is formed as inclined plane, but the bottom surface of breach 27 does not limit
Due to inclined plane, as long as the root side of breach 27 accumulates groove 26 with paint being connected, for example, also the bottom surface of breach 27 can be formed
It is the tabular surface parallel with the bottom surface that paint accumulates groove 26.In this case, from by the paint guided by breach 27 34 supply to paint product
From the viewpoint of depositing in groove 26, it may be desirable to, make the bottom surface of breach 27 and the bottom surface (end face of pole tooth 13) of main part 21
The distance between it is shorter with the distance between the bottom surface of main part 21 than the upper surface of main part 21, and and paint accumulate groove 26 bottom surface
Or ratio paint equal with the distance between the bottom surface of main part 21 accumulates the distance between the bottom surface of groove 26 and bottom surface of main part 21
It is long.Alternatively, it is also possible to stepped towards paint accumulation groove 26 with the distance between the bottom surface of main part 21 with the bottom surface of breach 27
The mode that shortens form the bottom surface of breach 27.In this case, from by the paint guided by breach 27 34 supply to paint accumulate groove
From the viewpoint of in 26, it may be desirable to, also make bottom surface portions and the master of breach 27 and paint accumulation groove 26 bottom surface connection
The distance between the bottom surface in body portion 21 is shorter with the distance between the bottom surface of main part 21 than the upper surface of main part 21, and and paint product
The bottom surface for depositing groove 26 is equal with the distance between the bottom surface of main part 21 or accumulate the bottom of bottom surface and the main part 21 of groove 26 than paint
The distance between face is long.
Embodiment two
Fig. 8 is the solid of the bobbin for representing the coil assembly being assembled in the electric rotating machine of embodiment of the present invention two
Figure.
In fig. 8, in bobbin 20A, the breach 27A for painting injection reaches root with the elongated end from the second guide part 23
The mode of portion side is formed at the central authorities of the width in the face (inner peripheral surface) by 22 side of the first guide part of the second guide part 23.
In addition, in embodiment two, in addition to replacing bobbin 20 this point using bobbin 20A, be configured to
One identical structure of above-mentioned embodiment.
Preferably in two, in the impregnation operation of paint 34, paint 34 also from breach 27A be filled in paint accumulate groove 26 and
From the inner peripheral surface impregnation for concentrating convolute coil 15, therefore, serve and one identical effect of above-mentioned embodiment.
In addition, in above-mentioned embodiment one, two, the breach 27,27A for painting injection is formed at the second guide part 23, but
Breach can also be formed at the first guide part 22 to accumulate in the way of groove is connected with paint.
Embodiment three
Fig. 9 is the end view drawing of the stator of the electric rotating machine for representing embodiment of the present invention three, and Figure 10 is the X-X of Fig. 9 to regarding
Sectional view, Figure 11 are the stereograms of the coil assembly of the electric rotating machine for representing embodiment of the present invention three, and Figure 12 is to represent group
The stereogram of the bobbin of the coil assembly of the electric rotating machine loaded on embodiment of the present invention three.In addition, in fig .9, omit
Insulating paper.
In Fig. 9 and Figure 10, stator 8A is constituted in the following manner:With the circumference of the rear of core 12 of lamination 11
The mode that abuts each other of end face coil assembly 16A is arranged circlewise in the circumferential, be then pressed into, be fixed in annular shape
Ring portion 17, or be inserted into by shrink fit in ring portion 17.
As shown in figure 12, bobbin 20B is provided with a slit 25A, to replace a pair of slits 25.Additionally, by rectangular wire structure
Into conductor lines 33A drawn between the first guide part 22 and the second guide part 23, and around lamination 11 from slit 25A
After pole tooth 13 winds multi-turn with a pair of the main parts 21 for being configured at its axial two ends with edgewise winding, warpage at a right angle, passes through
It is drawn out above second guide part 23.Then, first cap 30 and the second cap 31 of insulating paper 28 are turned back, such as Figure 11 institutes
Show, produce winding and the coil assembly 16A for concentrating convolute coil 15A is installed.
Distribution member 40 includes:Circular insulation keeper 41, the insulation keeper 41 are concentrically arranged with four C
The bus accommodating groove 42 of shape;Be accommodated in respectively bus accommodating groove 42 concentration convolute coil 15A connection bus i.e. in
Property point bus 43N, U phase bus 43U, V phase bus 43V and W phase bus 43W;And power supply terminal 44U, 44V, 44W, the confession
Electric terminal 44U, 44V, 44W are connected with U phase bus 43U, V phase bus 43V and W phase bus 43W respectively.The distribution member 40 is with exhausted
The mode that edge keeper 41 is contacted with the outer peripheral face of second guide part 23 of the bobbin 20B for circumferentially arranging is configured at stator iron
On the axial end face of the back of the body unshakable in one's determination of the heart 9.Additionally, the concentration convolute coil 15A gone out towards external diameter layback from each coil assembly 16A
End and neutral point connected with the corresponding bus in bus 43N, U phase bus 43U, V phase bus 43V and W phase bus 43W
Connect.Thereby, stator coil 10A is constituted, stator coil 10A is U respectively to four concentration convolute coil 15A of connection side by side
Phase bus, V phases bus and W phases bus carry out what Y shape was formed by connecting.
Although not shown, the stator 8A for but so constituting makes the axial end face of stator core 9 remain water upward
It is flat.Additionally, what the containment member of the tubular of path was contacted with the face with the internal side diameter of first guide part 22 of each bobbin 20B
Mode is configured at the axial end face of stator core 9.Additionally, paint 34 drips to the axle towards stator core 9 from above vertical
The part of the concentration convolute coil 15A for projecting laterally.Paint 34 is flowed down along the outer peripheral face for exposing for concentrating convolute coil 15, by
Distribution member 40 and containment member prevent which towards the outflow of internal side diameter and outside diameter, and by flowing down in groove.In addition, paint 34
A part is filled in paint and accumulates groove 26 by breach 27.
Additionally, painting 34 during flowing down along the outer peripheral face for exposing for concentrating convolute coil 15A because of capillarity
And be dipped in concentration convolute coil 15A from the outer peripheral face for concentrating convolute coil 15A.On the other hand, it is filled in paint to accumulate in groove 26
Paint 34 with concentrate convolute coil 15A inner peripheral surface contact, and because of capillarity from concentration convolute coil 15A inner peripheral surface
It is dipped in concentration convolute coil 15A.Additionally, the paint 34 being filled in paint accumulation groove 26 is impregnated in concentration volume because of capillarity
Between the upper surface of the inner peripheral surface of coiling 15A and main part 21, and from concentration convolute coil 15A in the face of the upper of main part 21
The inner peripheral surface on surface is dipped in concentration convolute coil 15A.
Then, spinning upside down for stator 8A is made, the containment member in big footpath and the tubular of path is configured at into stator core 9
Axial other end, and similarly make paint 34 be impregnated in concentration convolute coil 15A.Additionally, be impregnated in concentrating convolute coil 15A's
Paint 34 and the paint 34 being filled in paint accumulation groove 26 solidify, and concentrate convolute coil 15A to be fixed in bobbin 20B.
Therefore, in present embodiment three, can also obtain and one identical effect of above-mentioned embodiment.
In addition, accumulating the filling of groove 26 paint 34 towards paint, paint is made to start impregnation from the inner peripheral surface for concentrating convolute coil 15A, therefore,
Paint 34 can be also made effectively to be impregnated in the concentration convolute coil that the conductor lines 33A gapless being made up of rectangular wire is wound and constituted
15A。
In addition, be configured to contact with the outer peripheral face of second guide part 23 of bobbin 20B by circular distribution member 40,
Therefore, the opening of the outside diameter of breach 27 is blocked by distribution member 40.Therefore, drip to the coil-end for concentrating convolute coil 15A
And outside diameter will not be leaked to by the paint 34 that breach 27 is guided, just it is supplied to paint and accumulates in groove 26.
In addition, in the respective embodiments described above, the motor of inner-rotor type is illustrated, even if but should by the present invention
For the motor of outer-rotor type, identical effect is may also function as.
In addition, in the respective embodiments described above, the situation to the application to be applied to motor is illustrated, even if but
The application is applied to into generator, identical effect is may also function as.
In addition, in the respective embodiments described above, the electric rotating machine of 12 groove of the ends of the earth is illustrated, but number of poles and slot number
Certainly it is not limited to 12 groove of the ends of the earth.
In addition, in the respective embodiments described above, the pole tooth 13 of lamination 11 is from the circumference of the inner peripheral surface of rear of core 12
Centre extends towards radially inner side, but pole tooth extends without the need for the circumferential central authorities of the inner peripheral surface from rear of core.That is, as long as the back of the body unshakable in one's determination can be made
The side of the circumference in portion is against each other and the stator core that makes lamination arrangement produce annular shape in the circumferential, towards pole
The length of the rear of core that the circumferential both sides of tooth extend can be with difference.
Claims (6)
1. a kind of electric rotating machine, including:
There is circular stator core and winding to be installed on the concentration winding line of each pole tooth of the stator core for stator, the stator
Circle;And
Rotor,
A pair resinous bobbins with main part and a pair of guide parts are respectively configured to make the length of the main part
Direction is radially consistent with the pole tooth, and makes the axial both ends of the surface of the bottom surface of the main part along the pole tooth, and described one
The two ends of the length direction of the upper surface of the main part are based in guide part,
It is described to concentrate convolute coil to be by making conductor lines through the main part at the axial two ends by the pole tooth and described
In the concave space that a pair of guide parts are formed, and regulation circle is wound around the pole tooth and constitutes,
Characterized in that,
It is recessed in the upper surface of the main part and described one with the length direction that groove direction is the main part that paint accumulates groove
Extending between guide part,
On a side in the relative wall of the pair of guide part, breach reaches root simultaneously with the jag from the guide part
The mode being connected with the paint accumulation groove is formed,
Paint is impregnated in the axially external part of the main part for concentrating convolute coil, and is filled in the paint accumulation groove
And the main part upper surface and the concentration convolute coil between.
2. electric rotating machine as claimed in claim 1, it is characterised in that
The breach is formed at the guide part positioned at radial outside in the pair of guide part.
3. electric rotating machine as claimed in claim 1 or 2, it is characterised in that
The paint accumulates the bottom surface and the pole of the distance between bottom surface and axial end of the pole tooth of groove and the breach
The distance between axial end of tooth is equal or bottom surface of than the breach is short with the distance between the axial end of the pole tooth.
4. electric rotating machine as claimed in claim 1 or 2, it is characterised in that
Including distribution member, the distribution member has:Circular insulation keeper, the insulation keeper are configured at the stator
The axial end of the back of the body unshakable in one's determination unshakable in one's determination;And bus, the bus is accommodated in the insulation keeper, and is used for connecting the collection
Middle convolute coil,
The breach extends radially through the guide part of the dorsal part unshakable in one's determination positioned at the stator core, the breach by described
The opening of back of the body side unshakable in one's determination is by the insulation keeper blocking.
5. electric rotating machine as claimed in claim 1 or 2, it is characterised in that
The conductor lines are round wires.
6. electric rotating machine as claimed in claim 1 or 2, it is characterised in that
The conductor lines are rectangular wire,
The concentration convolute coil is constituted by winding the conductor lines with edgewise winding.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2012/069835 WO2014020755A1 (en) | 2012-08-03 | 2012-08-03 | Rotating electrical machine |
Publications (2)
Publication Number | Publication Date |
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CN104508949A CN104508949A (en) | 2015-04-08 |
CN104508949B true CN104508949B (en) | 2017-03-22 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201280075083.XA Active CN104508949B (en) | 2012-08-03 | 2012-08-03 | Rotating electrical machine |
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JP (1) | JP5762638B2 (en) |
CN (1) | CN104508949B (en) |
DE (1) | DE112012006771B4 (en) |
WO (1) | WO2014020755A1 (en) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6249407B2 (en) * | 2014-04-23 | 2017-12-20 | 三菱電機株式会社 | Rotating electric machine stator and method of manufacturing rotating electric machine stator |
DE102014213029A1 (en) * | 2014-07-04 | 2016-01-07 | Zf Friedrichshafen Ag | Tooth coil for an electric machine |
JP6098589B2 (en) * | 2014-08-08 | 2017-03-22 | トヨタ自動車株式会社 | Rotating electrical machine stator |
JP6276148B2 (en) * | 2014-09-12 | 2018-02-07 | トヨタ自動車株式会社 | Rotating electrical machine stator |
JP6801946B2 (en) * | 2015-01-20 | 2020-12-16 | トヨタ自動車株式会社 | Insulator formation method |
JP6270754B2 (en) * | 2015-02-13 | 2018-01-31 | 三菱電機株式会社 | Rotating electric machine stator and method of manufacturing rotating electric machine stator |
CN107408858B (en) | 2015-04-16 | 2019-08-20 | 爱信艾达株式会社 | Rotating electric machine |
JP6436231B2 (en) | 2015-04-16 | 2018-12-12 | アイシン・エィ・ダブリュ株式会社 | Stator and stator manufacturing method |
JP6058062B2 (en) | 2015-04-16 | 2017-01-11 | 三菱電機株式会社 | Rotating electric machine |
EP3139474A1 (en) | 2015-09-02 | 2017-03-08 | Siemens Aktiengesellschaft | Electric machine and method for operating such an electric machine and method for producing same |
JP6304192B2 (en) * | 2015-10-20 | 2018-04-04 | トヨタ自動車株式会社 | Stator |
WO2017130274A1 (en) * | 2016-01-25 | 2017-08-03 | 三菱電機株式会社 | Stator for rotary electric machine |
JP6673062B2 (en) * | 2016-07-05 | 2020-03-25 | トヨタ自動車株式会社 | Stator |
JP6597571B2 (en) * | 2016-11-28 | 2019-10-30 | トヨタ自動車株式会社 | Stator |
JP6627785B2 (en) * | 2017-01-11 | 2020-01-08 | トヨタ自動車株式会社 | Stator |
JP6745838B2 (en) * | 2018-06-06 | 2020-08-26 | 三菱電機株式会社 | Rotating electric machine and manufacturing method thereof |
CN112640263B (en) * | 2018-08-28 | 2023-06-16 | 三菱电机株式会社 | Stator |
WO2020100196A1 (en) * | 2018-11-12 | 2020-05-22 | 三菱電機株式会社 | Stator and compressor equipped with said stator |
JP7476032B2 (en) * | 2020-08-21 | 2024-04-30 | 株式会社ミツバ | Brushless motor |
CN113314338A (en) * | 2021-04-25 | 2021-08-27 | 洛阳轴承研究所有限公司 | Frameless magnetic bearing stator and coil winding tool and winding method thereof |
Citations (2)
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CN101785466A (en) * | 2010-03-25 | 2010-07-28 | 中国农业科学院油料作物研究所 | Yield increasing element for rape |
CN102334264A (en) * | 2009-03-23 | 2012-01-25 | 大金工业株式会社 | Bus ring, and fixing structure thereof |
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JP4726564B2 (en) * | 2005-07-20 | 2011-07-20 | ヤマハ発動機株式会社 | Rotating electric machine and electric wheelchair |
JP4935296B2 (en) * | 2006-10-23 | 2012-05-23 | トヨタ自動車株式会社 | Varnish treatment method and varnish treatment apparatus |
JP4745991B2 (en) * | 2007-02-21 | 2011-08-10 | 三菱電機株式会社 | Armature insulation sheet and armature |
JP4840259B2 (en) * | 2007-06-13 | 2011-12-21 | トヨタ自動車株式会社 | Insulating material |
JP4730367B2 (en) * | 2007-08-21 | 2011-07-20 | トヨタ自動車株式会社 | Split stator manufacturing method |
JP5463696B2 (en) * | 2009-03-09 | 2014-04-09 | 日産自動車株式会社 | Insulated bobbin, rotating electric machine stator, and method of manufacturing rotating electric machine stator |
JP5379550B2 (en) * | 2009-04-21 | 2013-12-25 | 三菱電機株式会社 | Armature |
JP5740931B2 (en) * | 2010-03-03 | 2015-07-01 | 日本電産株式会社 | Split stator and motor |
-
2012
- 2012-08-03 DE DE112012006771.1T patent/DE112012006771B4/en not_active Expired - Fee Related
- 2012-08-03 CN CN201280075083.XA patent/CN104508949B/en active Active
- 2012-08-03 JP JP2014527922A patent/JP5762638B2/en not_active Expired - Fee Related
- 2012-08-03 WO PCT/JP2012/069835 patent/WO2014020755A1/en active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102334264A (en) * | 2009-03-23 | 2012-01-25 | 大金工业株式会社 | Bus ring, and fixing structure thereof |
CN101785466A (en) * | 2010-03-25 | 2010-07-28 | 中国农业科学院油料作物研究所 | Yield increasing element for rape |
Also Published As
Publication number | Publication date |
---|---|
DE112012006771T5 (en) | 2015-07-16 |
WO2014020755A1 (en) | 2014-02-06 |
DE112012006771B4 (en) | 2021-06-17 |
CN104508949A (en) | 2015-04-08 |
JPWO2014020755A1 (en) | 2016-07-11 |
JP5762638B2 (en) | 2015-08-12 |
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