CN106961169B - Stator core, Stator and electrical machine - Google Patents
Stator core, Stator and electrical machine Download PDFInfo
- Publication number
- CN106961169B CN106961169B CN201611162767.XA CN201611162767A CN106961169B CN 106961169 B CN106961169 B CN 106961169B CN 201611162767 A CN201611162767 A CN 201611162767A CN 106961169 B CN106961169 B CN 106961169B
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- teeth portion
- stator
- tooth
- stator core
- tooth boot
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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
- H02K1/06—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
Abstract
The invention discloses a kind of stator core, Stator and electrical machine, stator core is located at the periphery of rotor and including circumferentially spaced multiple stator monomer along rotor, and each stator monomer includes: the yoke portion being overrided to form by the punching of multiple yoke portions；The two main teeth portion for being connected to the circumferential both ends in yoke portion and being overrided to form by multiple teeth portion punchings vertical with the punching of yoke portion, inner end, which is equipped with, protrudes the elongated portion of main teeth portion along the axially extending of yoke portion and at least one end and along the teeth portion closed slot for laminating direction and penetrating through main teeth portion of teeth portion punching；Main tooth boot portion is overrided to form and pass through setting opening direction and teeth portion punching laminates the parallel open slot in direction to be configured with block tongue by multiple with the vertical main tooth boots punching of teeth portion punching, and block tongue is installed in teeth portion closed slot from the side of teeth portion closed slot；Tooth boot portion is held, is overrided to form by multiple end tooth boots punchings and is installed on the end tooth boot portion in elongated portion.Poly- magnetic energy power can be improved in stator core according to an embodiment of the present invention, reduces cost.
Description
Technical field
The present invention relates to technical field of motors, in particular to a kind of stator core, with the stator of the stator core
And the motor with the stator.
Background technique
Motor in the related technology, the punching in the yoke portion, teeth portion and tooth boots of stator, which is integrated, to be punched, therefore yoke
The size of portion, teeth portion and tooth boots on stator shaft orientation is consistent, or rotational frequency weaker for per surface area magnetic field is lower
Rotor for, for save stator material simultaneously improve its performance, need the size of yoke portion and teeth portion relatively thin and the area of tooth boots
Larger, but influenced by stator inner circle radius, the effect that tooth boot upper product is improved by increasing tooth boots width is limited, and if
Stator axis extends up tooth boots, and can lengthen the axial dimension of yoke portion and teeth portion, to increase the material consumption of iron core and winding, causes
Increased costs.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention mentions
A kind of stator core is gone out, the stator core can be improved poly- magnetic energy power, reduce cost.
The invention also provides a kind of stators with said stator iron core.
The invention also provides a kind of motors with said stator.
Stator core according to an embodiment of the present invention, the stator core are located at the periphery of rotor, the stator core packet
Include circumferentially spaced multiple stator monomers along the rotor, each stator monomer includes: yoke portion, the yoke portion by
The yoke portion punching of multiple circumferentially extendings along the rotor is overrided to form along the axial direction of the rotor；Two main teeth portion, two institutes
State the circumferential both ends that main teeth portion is respectively engaged with the yoke portion, each main teeth portion by multiple vertical with yoke portion punching and
The teeth portion punching radially extended along the yoke portion is overrided to form, and the axial direction that the inner end of the main teeth portion is equipped with along the yoke portion is prolonged
It stretches and elongated portion that at least the main teeth portion is protruded in one end, the inner end of the main teeth portion is equipped with along the side of laminating of the teeth portion punching
To the teeth portion closed slot for penetrating through the main teeth portion；Tooth boot portion, the tooth boot portion include main tooth boot portion and end tooth boot portion, the main tooth
Boots portion is overrided to form by multiple main tooth boots punchings vertical with the teeth portion punching, and the main tooth boot portion passes through setting opening direction
Laminate the parallel open slot in direction with the teeth portion punching to be configured with block tongue, the block tongue from the teeth portion closed slot one
Side is installed in the teeth portion closed slot, and the end tooth boot portion is laminated by multiple end tooth boots punchings vertical with the teeth portion punching
It forms, the end tooth boot portion is installed in the elongated portion.
Poly- magnetic energy power can be improved in stator core according to an embodiment of the present invention, reduces cost.
In addition, stator core according to the above embodiment of the present invention can also have the following additional technical features:
According to some embodiments of the present invention, the end tooth boot portion is equipped with along the yoke portion axially through the end tooth
The boots portion closed slot in boots portion, the elongated portion are installed in boots portion closed slot.
According to some embodiments of the present invention, the main teeth portion, the end tooth boots are protruded in the both ends of the elongated portion respectively
Portion includes: the first tooth boot portion, first tooth boot portion laminated by multiple first tooth boots punchings vertical with the teeth portion punching and
At first tooth boot portion is equipped with the first closed slot axially through first tooth boot portion along the yoke portion, described to stretch
The one end in long portion is installed in first closed slot；Second tooth boot portion, second tooth boot portion are rushed by multiple with the teeth portion
The second vertical tooth boots punching of piece is overrided to form, and second tooth boot portion is equipped with along the yoke portion axially through described second
Second closed slot of tooth boot portion, the other end of the elongated portion are installed in second closed slot.
According to some embodiments of the present invention, the main teeth portion is equipped with card slot, and the yoke portion is installed in the card slot.
According to some embodiments of the present invention, the yoke portion be equipped in the circumferential direction in the yoke portion to the main tooth
The limiting slot that portion is limited, the main teeth portion are installed in the limiting slot.
According to some embodiments of the present invention, the limiting slot is located on the inner peripheral surface or outer peripheral surface in the yoke portion.
According to some embodiments of the present invention, the side surface towards the rotor of the tooth boot portion is formed as arcwall face
With the combination of wherein one or two in plane.
According to some embodiments of the present invention, the arcwall face includes at least one section of arc surface.
Optionally, at least two tooth boot portions are unequal along the axially extending length of the rotor.
According to some embodiments of the present invention, at least one of the yoke portion and the tooth boot portion by insulation system with
The main teeth portion insulation.
Optionally, the insulation system is formed as isolating separator layer, and the isolating separator layer is formed as insulating film or insulation
Paint or insulating cement.
Optionally, the insulation system is formed as the injection molded layers that insulate.
According to some embodiments of the present invention, the main teeth portion and the elongated portion are integrated.
Stator according to an embodiment of the present invention, comprising: stator core according to an embodiment of the present invention；Stator winding, it is described
Stator winding is wound around at least one of the main teeth portion and the yoke portion.
Motor according to an embodiment of the present invention, comprising: rotor；Stator according to an embodiment of the present invention, the stator are located at
The periphery of the rotor.
According to some embodiments of the present invention, the number of pole-pairs of the rotor is identical as the quantity of the stator monomer.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Fig. 1 is electric machine structure schematic diagram according to an embodiment of the invention；
Fig. 2 is the structural schematic diagram of motor in accordance with another embodiment of the present invention；
Fig. 3 is the structural schematic diagram of stator according to an embodiment of the invention；
Fig. 4 is the structural schematic diagram of stator in accordance with another embodiment of the present invention；
Fig. 5 is the partial structure diagram of stator according to an embodiment of the invention；
Fig. 6 is the structural schematic diagram of the stator monomer of stator core according to an embodiment of the invention；
Fig. 7 is the structural schematic diagram in the yoke portion of stator core according to an embodiment of the present invention；
Fig. 8 is the main teeth portion of stator core according to an embodiment of the present invention and the assembling schematic diagram of tooth boot portion；
Fig. 9 is the structural schematic diagram of the main teeth portion of stator core according to an embodiment of the present invention；
Figure 10 is the structural schematic diagram of the tooth boot portion of stator core according to an embodiment of the present invention；
Figure 11 is the structural schematic diagram of another angle of the tooth boot portion of stator core according to an embodiment of the present invention.
Appended drawing reference:
Motor 1；
Stator 10；Rotor 20；Stator core 101；Stator monomer 102；
Yoke portion 100；Limiting slot 110；
Main teeth portion 200；Elongated portion 210；Card slot 220；Teeth portion closed slot 201；
Tooth boot portion 300；Main tooth boot portion 300a；Hold tooth boot portion 300b；First tooth boot portion 301；Second tooth boot portion 302；Boots portion
Closed slot 310；First closed slot 310a；Second closed slot 310b；Open slot 311；Block tongue 312；
Stator winding 400；
Insulation system 500.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to
The embodiment of attached drawing description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention, ability
The those of ordinary skill in domain can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.
Motor and its stator according to an embodiment of the present invention are described in detail with reference to the accompanying drawing.
Referring to figs. 1 to shown in Figure 11, motor 1 according to an embodiment of the present invention may include rotor 10 and stator 20, stator 10
It is located at the periphery of rotor 20, rotor 20 is rotatably fitted in stator 10, wherein rotor 20 can turn for permanent magnet magnetic ring
Son.As shown in Figures 1 to 5, stator 10 may include stator core 101 and stator winding 400, and stator winding 400 can be wound around fixed
On sub- iron core 101.
Stator core 101 is located at the periphery of rotor 20, and stator core may include two stator monomers 102, two stator lists
Body 102 being provided at circumferentially spaced along rotor 20.Preferably, two stator monomers 102 can be along the circumferential equal of rotor 20
It is even to be spaced apart, that is to say, that two stator monomers 102 can be oppositely arranged on the two sides of rotor 20.
It is understood that in the present invention, the quantity for the stator monomer 102 that stator core 101 is included is not limited to
Two, can with more than two, for example, three, four or be more than four etc., i.e., in the present invention, stator core 101 includes
Multiple stator monomers 102, multiple stator monomers 102 can be along the circumferentially spaced settings of rotor 20.
Each stator monomer 102 may include the main teeth portion 200 in 100, two, yoke portion and tooth boot portion 300, and tooth boot portion 300 includes master
Tooth boot portion 300a and end tooth boot portion 300b, each stator monomer 102 can be formed as the general U-shape being open towards rotor 20.It is fixed
Sub- winding 400 can be wound around at least one of main teeth portion 200 and yoke portion 100.That is, can be only in main teeth portion 200
Coiling stator winding 400, can also the only coiling stator winding 400 in yoke portion 100, can also be simultaneously in main teeth portion 200 and yoke
Coiling stator winding 400 in portion 100, to improve slot utilization rate.In actually manufacture, the number of pole-pairs and stator list of rotor can be made
The quantity of body is identical, to facilitate coiling, improves the performance of motor 1.
Axial direction of the yoke portion 100 by the punching of multiple yoke portions along rotor 20 is overrided to form, week of each yoke portion punching along rotor 20
To extension.Two main teeth portion 200 are respectively engaged with the circumferential both ends in yoke portion 100, and each main teeth portion 200 is folded by multiple teeth portion punchings
It presses, each teeth portion punching is vertical with the punching of yoke portion and radially extending along yoke portion.Main tooth boot portion 300a is by multiple main teeth
Boots punching is overrided to form, and main tooth boots punching is vertically arranged with teeth portion punching, i.e., axial direction of the main tooth boots punching along yoke portion 100 laminates.
End tooth boot portion 300b is overrided to form by multiple end tooth boots punchings, and the punching of end tooth boots is vertically arranged with teeth portion punching, i.e., end tooth boots rush
Axial direction of the piece along yoke portion 100 laminates, and parallel with main tooth boots punching.Wherein, main tooth boots punching and the punching of end tooth boots can be same
Kind material is made, or different materials are made.
The inner end (i.e. one end of adjacent rotor 20) of main teeth portion 200 is equipped with elongated portion 210, and elongated portion 210 can be along yoke portion 100
It is axially extending, and main teeth portion 200 is protruded at least one end of elongated portion 210.That is, being stretched in the axial direction in yoke portion 101
Long portion 210 can extend outwardly beyond main teeth portion 200 with one end, and main teeth portion 200 can also be extended outwardly beyond with both ends.These are convex
Structure can achieve the purpose for extending the poly- magnetic of tooth boots out, and in comparison, the poly- magnetic effect of structure of both ends protrusion is more preferable, and one end is stretched convex
Structure out can be used in axially mounted limited space.
The inner end (i.e. one end of adjacent rotor 20) of main teeth portion 200 is equipped with teeth portion closed slot 201, and teeth portion closed slot 201 can
The direction that laminates along teeth portion punching penetrates through main teeth portion 200.The side of laminating that tooth boot portion 300 passes through setting opening direction and teeth portion punching
To parallel open slot 311 to be configured with block tongue 312, block tongue 312 is installed on teeth portion closed slot from the side of teeth portion closed slot 201
In 201.Specifically, open slot 311 is along yoke portion 100 axially through tooth boot portion 300 and the laminating towards teeth portion punching that be open
The side wall in a direction on direction, the neighbouring yoke portion 100 of open slot 311 constitutes block tongue 312.Block tongue 312 is from teeth portion closed slot
201 side (i.e. 201 open directions of teeth portion closed slot) is installed in teeth portion closed slot 201.Hold tooth boot portion 300b card
In elongated portion 210.
Thus, it is possible to pass through the cooperation of block tongue 312 and teeth portion closed slot 201, main tooth boot portion 300a and main teeth portion 200 are realized
Clamping, be completely embedded and intensity be high, 300 consumptive material of tooth boot portion is few, conducive to the promotion of motor performance.
Stator core 101 according to an embodiment of the present invention, yoke portion 100, main teeth portion 200 and tooth boot portion 300 are divided before clamping
It is not independent module, yoke portion 100 and main teeth portion 200 is mutually indepedent, main teeth portion 200 and tooth boot portion 300 are mutually indepedent, each section
It makes respectively, then mutually buckle is grouped together into general U-shape of the opening towards rotor 20, main teeth portion 200 and yoke portion
100 clampings, tooth boot portion 300 and main teeth portion 200 are clamped, and yoke portion 100, main teeth portion 200 and tooth boot portion 300 can be made in 10 axis of stator
Upward dimensional parameters are mutually indepedent, and tooth boot portion 300 is facilitated to extend axial length and width, relative to traditional structure, using this
The poly- magnetic energy power of structure is stronger and is able to achieve the reduction of yoke portion 100 iron core, the total quality of motor 1 is reduced, in the feelings for guaranteeing cost
Condition lowers the performance of section motor 1.Motor 1 according to an embodiment of the present invention has many advantages, such as to have excellent performance, is at low cost.
Optionally, end tooth boot portion 300b is equipped with boots portion closed slot 310, and axial direction of the boots portion closed slot 310 along yoke portion 100 is passed through
Go side tooth boot portion 300b.Elongated portion 210 is installed in boots portion closed slot 310.Thus, it is possible to be closed by elongated portion 210 and boots portion
The cooperation of mouth slot 310 realizes the clamping of end tooth boot portion 300b and main teeth portion 200, is completely embedded, intensity is high, the consumption of tooth boot portion 300
Material is few, conducive to the promotion of motor performance.
In some embodiments of the invention, as shown in Figure 1 to 11, master is protruded at the both ends of elongated portion 210 respectively
Teeth portion 200, end tooth boot portion 300b includes the first tooth boot portion 301 and the second tooth boot portion 302, and the first tooth boot portion 301 is by multiple first
Tooth boots punching is overrided to form, and the first tooth boots piece is vertical with teeth portion punching.Second tooth boot portion 302 is laminated by multiple second tooth boots punchings
It forms, the second tooth boots punching is vertical with teeth portion punching.Optionally, the first tooth boots punching and the second tooth boots punching can be same
Punching, or different punchings can according to circumstances carry out flexible choice.
First tooth boot portion 301 is equipped with the first closed slot 310a axially through the first tooth boot portion 301 along yoke portion 100,
Second tooth boot portion 302 is equipped with the second closed slot 310b axially through the second tooth boot portion 302 along yoke portion 100.Elongated portion 210
One end be installed in the first closed slot 310a, the other end of elongated portion 210 is installed in the second closed slot 310b.As a result, may be used
It the first tooth boot portion 301 and the second tooth boot portion 302 are installed on the both ends of elongated portion 210 respectively, and is completely embedded, intensity, electricity
Machine performance further increases.
In the present invention, main teeth portion 200 and elongated portion 210 can manufacture to be formed respectively, then reassemble together, can also
To be integrally formed structure, i.e., main teeth portion 200 and elongated portion 210 are integrated.Stator core 101 not only can be improved as a result,
Integral strength and structural stability, and facilitate molding, be simple to manufacture, extra assembly parts and connection process can be saved,
Assembling is more convenient, it is easier to which industrialized production improves assembly efficiency and the service life of stator core 101.
According to some embodiments of the present invention, axially extending length not phase of at least two tooth boot portions 300 along rotor 20
Deng.It is more convenient for as a result, the starting of monophase machine.
In some specific examples of the invention, as shown in Figures 1 to 9, main teeth portion 200 is equipped with card slot 220, yoke portion
100 are installed in card slot 220, to realize the clamping of main teeth portion 200 and yoke portion 100 and easy to operate, connection jail can be improved
Solidity.As shown in Figure 8 and Figure 9, card slot 220 is formed as being located at the open slot of the side of main teeth portion 200, be more convenient as a result, into
Row assembly manipulation.
Advantageously, as shown in Figures 1 to 7, yoke portion 100 be equipped in the circumferential direction in yoke portion 100 to main teeth portion 200 into
The limiting slot 110 of row limit, main teeth portion 200 are installed in limiting slot 110, to prevent main teeth portion 200 from occurring relatively with yoke portion 100
Sliding, further increases connection effect.Optionally, limiting slot 110 can be located on the inner peripheral surface or outer peripheral surface in yoke portion 100.
According to some embodiments of the present invention, the side surface towards rotor 20 of tooth boot portion 300 be formed as arcwall face and
The combination of wherein one or two in plane.In other words, tooth boot portion 300 in yoke portion 100 axially towards table inwardly
Face includes at least one of plane and arcwall face, can be the combination of plane perhaps arcwall face or plane and arcwall face.Figure
The surface towards rotor 20 that 10 and Figure 11 shows tooth boot portion 300 is the example of arcwall face, be thus more convenient for adjusting and rotor
Air gap between 20 reduces magnetic field harmonics, reduces torque ripple, improves poly- magnetic effect.
Here, the arcwall face may include at least one section of arc surface, and arcwall face can be one section of arc surface, be also possible to more
The arc surface of Duan Xianglian, for example, the side surface towards rotor 20 of tooth boot portion 300 combined by nonconcentric(al) multiple arc surfaces and
At each harmonic content being more conducive to adjustment in air gap as a result, to optimize the noise and vibration of motor 1.Such as Figure 10 and Figure 11 institute
Show, holds tooth boot portion 300b that can be spaced apart setting with main tooth boot portion 300a, in order to assemble, further increase the performance of motor.
Referring to figs. 1 to shown in Fig. 5, according to some embodiments of the present invention, at least one in yoke portion 100 and tooth boot portion 300
It is a to be insulated by insulation system 500 and main teeth portion 200, in favor of improving the running frequency of motor, expand range of operation, reduces
Eddy-current loss.
For example, in some specific examples of the invention, insulation system 500 is formed as isolating separator layer, yoke portion 100 with
It is equipped with isolating separator layer at the junction of main teeth portion 200 and main teeth portion 200 and at least one in the junction of tooth boot portion 300, absolutely
Fate interlayer can separate yoke portion 100 and main teeth portion 200 and/or main teeth portion 200 and tooth boot portion 300, play preferable insulation effect
Fruit.Thus, it is possible to which the conduction for the current vortex that alternating magnetic field is formed when slowing down or motor 1 being blocked to run, reduces when motor 1 is run
Iron loss improves the alternative frequency of stator 10, to be suitable for high-frequency occasion.
Optionally, isolating separator layer can be that insulated paint or insulating cement of the insulating film or spraying being encased inside etc. have insulating effect
Medium.The insulated paint of spraying can be arranged using the modes such as spraying or brushing, and insulating cement can be arranged using coating mode, can
To carry out flexible operating as the case may be.
For another example insulation system 500 is formed as insulation injection molded layers in other specific examples of the invention.Specifically
It is coated at ground, yoke portion 100 and the junction of main teeth portion 200 and main teeth portion 200 and at least one in the junction of tooth boot portion 300
Insulate injection molded layers, it is preferable that insulation injection molded layers can coat be made of yoke portion 100, main teeth portion 200 and tooth boot portion 300 it is entire
Thus stator core can also be improved the mechanical strength of stator 10, be conducive to the noise and vibration performance that improve motor 1.
Other of motor 1 according to an embodiment of the present invention are constituted and are operated for those of ordinary skill in the art
Be it is known, be not described in detail herein.
In the description of the present invention, it is to be understood that, term " length ", "upper", "lower", "front", "rear", "inner",
The orientation or positional relationship of the instructions such as "outside", " axial direction ", " radial direction ", " circumferential direction " is that orientation based on the figure or position are closed
System, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In the description of the present invention, the meaning of " plurality " is at least two, such as two, three etc., unless otherwise clear
It is specific to limit.In the present invention unless specifically defined or limited otherwise, fisrt feature can be in second feature "upper"
One and second feature directly contacts or the first and second features are by intermediary mediate contact.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected or can communicate each other；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the description of this specification, the description of reference term " embodiment " or " specific example " etc. means to combine the implementation
Example or example particular features, structures, materials, or characteristics described are included at least one embodiment or example of the invention.
In the present specification, the schematic representation of the above terms does not necessarily have to refer to the same embodiment or example.Moreover, description
Particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more of the embodiments or examples.
In addition, without conflicting with each other, those skilled in the art can by different embodiments described in this specification or
The feature of example and different embodiments or examples is combined.
Claims (16)
1. a kind of stator core, which is characterized in that the stator core is located at the periphery of rotor, and the stator core includes along institute
Circumferentially spaced multiple stator monomers of rotor are stated, each stator monomer includes:
Yoke portion, the yoke portion laminated by the yoke portion punching of multiple circumferentially extendings along the rotor along the axial direction of the rotor and
At；
Two main teeth portion, two main teeth portion are respectively engaged with the circumferential both ends in the yoke portion, and each main teeth portion is by more
A vertical with yoke portion punching and along the yoke portion the teeth portion punching radially extended is overrided to form, the inner end of the main teeth portion
Equipped with the elongated portion for protruding the main teeth portion along the axially extending of the yoke portion and at least one end, the inner end of the main teeth portion is equipped with
Along the teeth portion closed slot for laminating direction and penetrating through the main teeth portion of the teeth portion punching；
Tooth boot portion, the tooth boot portion include main tooth boot portion and end tooth boot portion, and the main tooth boot portion is by the multiple and teeth portion punching
Vertical main tooth boots punching is overrided to form, and the main tooth boot portion laminates direction by setting opening direction and the teeth portion punching
For parallel open slot to be configured with block tongue, the block tongue is installed on the teeth portion closed slot from the side of the teeth portion closed slot
Interior, the end tooth boot portion is overrided to form by multiple end tooth boots punchings vertical with the teeth portion punching, and the end tooth boot portion clamps
In the elongated portion.
2. stator core according to claim 1, which is characterized in that the end tooth boot portion is equipped with the axis along the yoke portion
To the boots portion closed slot for penetrating through the end tooth boot portion, the elongated portion is installed in boots portion closed slot.
3. stator core according to claim 2, which is characterized in that protrude the main tooth respectively in the both ends of the elongated portion
Portion, the end tooth boot portion include:
First tooth boot portion, first tooth boot portion are overrided to form by multiple first tooth boots punchings vertical with the teeth portion punching,
First tooth boot portion is equipped with the first closed slot axially through first tooth boot portion along the yoke portion, the elongated portion
One end be installed in first closed slot；
Second tooth boot portion, second tooth boot portion are overrided to form by multiple second tooth boots punchings vertical with the teeth portion punching,
Second tooth boot portion is equipped with the second closed slot axially through second tooth boot portion along the yoke portion, the elongated portion
The other end be installed in second closed slot.
4. stator core according to claim 1, which is characterized in that the main teeth portion is equipped with card slot, yoke portion card
In the card slot.
5. stator core according to claim 1, which is characterized in that the yoke portion was equipped with for the week in the yoke portion
The limiting slot limited upwards to the main teeth portion, the main teeth portion are installed in the limiting slot.
6. stator core according to claim 5, which is characterized in that the limiting slot be located at the yoke portion inner peripheral surface or
On outer peripheral surface.
7. stator core according to claim 1, which is characterized in that the side table towards the rotor of the tooth boot portion
Face is formed as the combination of the one or both of them in arcwall face and plane.
8. stator core according to claim 7, which is characterized in that the arcwall face includes at least one section of arc surface.
9. stator core according to claim 1, which is characterized in that axis of at least two tooth boot portions along the rotor
Length to extension is unequal.
10. stator core according to claim 1, which is characterized in that at least one in the yoke portion and the tooth boot portion
It is a to be insulated by insulation system with the main teeth portion.
11. stator core according to claim 10, which is characterized in that the insulation system is formed as isolating separator layer,
The isolating separator layer is formed as insulating film or insulated paint or insulating cement.
12. stator core according to claim 10, which is characterized in that the insulation system is formed as the injection molded layers that insulate.
13. stator core according to claim 1, which is characterized in that the main teeth portion and the elongated portion are integrated.
14. a kind of stator characterized by comprising
Stator core according to claim 1 to 13；
Stator winding, the stator winding are wound around at least one of the main teeth portion and the yoke portion.
15. a kind of motor characterized by comprising
Rotor；
Stator according to claim 14, the stator are located at the periphery of the rotor.
16. motor according to claim 15, which is characterized in that the number of the number of pole-pairs of the rotor and the stator monomer
It measures identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611162767.XA CN106961169B (en) | 2016-12-15 | 2016-12-15 | Stator core, Stator and electrical machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611162767.XA CN106961169B (en) | 2016-12-15 | 2016-12-15 | Stator core, Stator and electrical machine |
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| Publication Number | Publication Date |
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| CN106961169A CN106961169A (en) | 2017-07-18 |
| CN106961169B true CN106961169B (en) | 2019-05-31 |
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| CN201611162767.XA Active CN106961169B (en) | 2016-12-15 | 2016-12-15 | Stator core, Stator and electrical machine |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108923562A (en) * | 2018-07-03 | 2018-11-30 | 江苏磁谷科技股份有限公司 | A kind of winding permanent magnet governor winding iron core closed slot structure and outer winding iron core |
| CN110858731A (en) * | 2018-08-24 | 2020-03-03 | 广东威灵电机制造有限公司 | Stator and motor |
| CN110858732B (en) * | 2018-08-24 | 2022-04-19 | 广东威灵电机制造有限公司 | Stator and motor |
| CN111293794B (en) * | 2018-12-06 | 2023-11-21 | 威灵（芜湖）电机制造有限公司 | Stator tooth, stator and motor |
| DE102019101270A1 (en) * | 2019-01-18 | 2020-07-23 | Gkn Sinter Metals Engineering Gmbh | Electric motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101710775A (en) * | 2009-12-16 | 2010-05-19 | 南京航空航天大学 | Hybrid excitation block type stator and rotor switch reluctance machine |
| JP2012023861A (en) * | 2010-07-14 | 2012-02-02 | Mitsubishi Electric Corp | Armature core and motor |
| CN204012960U (en) * | 2014-07-24 | 2014-12-10 | 广东威灵电机制造有限公司 | Stator core and stator, magneto |
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2016
- 2016-12-15 CN CN201611162767.XA patent/CN106961169B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101710775A (en) * | 2009-12-16 | 2010-05-19 | 南京航空航天大学 | Hybrid excitation block type stator and rotor switch reluctance machine |
| JP2012023861A (en) * | 2010-07-14 | 2012-02-02 | Mitsubishi Electric Corp | Armature core and motor |
| CN204012960U (en) * | 2014-07-24 | 2014-12-10 | 广东威灵电机制造有限公司 | Stator core and stator, magneto |
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| CN106961169A (en) | 2017-07-18 |
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