CN106961169A - Stator core, Stator and electrical machine - Google Patents
Stator core, Stator and electrical machine Download PDFInfo
- Publication number
- CN106961169A CN106961169A CN201611162767.XA CN201611162767A CN106961169A CN 106961169 A CN106961169 A CN 106961169A CN 201611162767 A CN201611162767 A CN 201611162767A CN 106961169 A CN106961169 A CN 106961169A
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- stator
- tooth
- stator core
- teeth portion
- yoke
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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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
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 monomers 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 two ends in yoke portion and being overrided to form by multiple teeth portion punchings vertical with the punching of yoke portion, its inner is provided with the elongated portion and the closed slot for laminating the main teeth portion of direction insertion along teeth portion punching that main teeth portion is protruded along the axially extending of yoke portion and at least one end;Main tooth boot portion, is overrided to form by multiple main tooth boots punchings vertical with teeth portion punching and laminates the parallel open slot in direction by set opening direction and teeth portion punching to be configured with block tongue, block tongue is installed in closed slot from the side of closed slot;End tooth boot portion is overrided to form by multiple end tooth boots punchings and is installed on the end tooth boot portion in elongated portion.Stator core according to embodiments of the present invention can improve poly- magnetic energy power, reduce cost.
Description
Technical field
The present invention relates to technical field of motors, in particular to a kind of stator core, the stator with the stator core
And the motor with the stator.
Background technology
Motor in correlation technique, the yoke portion of its stator, the punching of teeth portion and tooth boots are integrated punching and formed, therefore yoke
The size of portion, teeth portion with tooth boots on stator shaft orientation be it is consistent, it is weaker or rotational frequency is relatively low for per surface area magnetic field
Rotor for, for save stator material improve its performance simultaneously, it is necessary to the size of yoke portion and teeth portion is relatively thin and the area of tooth boots
It is larger, but influenceed by stator inner circle radius, the effect that tooth boot upper product is improved by increasing tooth boots width is limited, and if
Tooth boots are extended up in stator axis, the axial dimension of yoke portion and teeth portion can be lengthened again, so that increase the material consumption of iron core and winding,
Cost is caused to increase.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.Therefore, the present invention is carried
A kind of stator core is gone out, the stator core can improve poly- magnetic energy power, reduce cost.
The invention allows for a kind of stator with said stator iron core.
The invention allows for a kind of motor with said stator.
Stator core according to embodiments of the present invention, the stator core is located at the periphery of rotor, the stator core bag
Circumferentially spaced multiple stator monomers along the rotor are included, each stator monomer includes:Yoke portion, the yoke portion
Axial direction by the yoke portion punching of multiple circumferentially extendings along the rotor along the rotor is overrided to form;Two main teeth portion, two
The main teeth portion is connected to the circumferential two ends in the yoke portion respectively, and each main teeth portion is hung down by multiple with yoke portion punching
It is overrided to form directly and along the teeth portion punching radially extended in the yoke portion, the inner of the main teeth portion is provided with along the yoke portion
Axially extending and at least one end protrusion main teeth portion elongated portion, the inner of the main teeth portion is provided with along the teeth portion punching
The closed slot for laminating main teeth portion described in the insertion of direction;Main tooth boot portion, the main tooth boot portion is hung down by multiple with the teeth portion punching
Straight main tooth boots punching is overrided to form, and the main tooth boot portion laminates direction by set opening direction and the teeth portion punching
Parallel open slot is to be configured with block tongue, and the side of the block tongue from the closed slot is installed in the closed slot;End tooth boots
Portion, the end tooth boot portion is overrided to form by multiple end tooth boots punchings vertical with the teeth portion punching, the end tooth boot portion clamp
In the elongated portion.
Stator core according to embodiments of the present invention can improve poly- magnetic energy power, reduce cost.
In addition, stator core according to the above embodiment of the present invention can also have technical characteristic additional as follows:
According to some embodiments of the present invention, the end tooth boot portion is provided with along the yoke portion axially through the end tooth
The closed slot in boots portion, the elongated portion is installed in the closed slot.
According to some embodiments of the present invention, the main teeth portion, the end tooth boots are protruded in the two ends of the elongated portion respectively
Portion includes:First tooth boot portion, first tooth boot portion laminated by multiple first tooth boots punchings vertical with the teeth portion punching and
Into first tooth boot portion is provided 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 is 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 provided with along the yoke portion axially through described the
Second closed slot of two tooth boot portions, the other end of the elongated portion is installed in second closed slot.
According to some embodiments of the present invention, the main teeth portion is provided with neck, and the yoke portion is installed in the neck.
According to some embodiments of the present invention, the yoke portion, which is provided with, to be used in the circumference in the yoke portion to the main tooth
Portion carries out spacing stopper slot, and the main teeth portion is installed in the stopper slot.
According to some embodiments of the present invention, the stopper slot is located on the inner peripheral surface in the yoke portion or outer peripheral face.
According to some embodiments of the present invention, a side surface of the direction 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 arc surface.
Alternatively, tooth boot portion described at least two is unequal along the axially extending length of the rotor.
According to some embodiments of the present invention, in the yoke portion and the tooth boot portion at least one by insulation system with
The main teeth portion insulation.
Alternatively, the insulation system is formed as isolating separator layer, and the isolating separator layer is formed as dielectric film, insulated paint
Or insulating cement.
Alternatively, 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 part.
Stator according to embodiments of the present invention, including:Stator core according to embodiments of the present invention;Stator winding, it is described
Stator winding is at least one for being located at the main teeth portion and the yoke portion.
Motor according to embodiments of the present invention, including:Rotor;Stator according to embodiments of the present invention, the stator is 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 with the quantity of the stator monomer.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
Fig. 1 is electric machine structure schematic diagram according to an embodiment of the invention;
Fig. 2 is the structural representation of motor in accordance with another embodiment of the present invention;
Fig. 3 is the structural representation of stator according to an embodiment of the invention;
Fig. 4 is the structural representation of stator in accordance with another embodiment of the present invention;
Fig. 5 is the part-structure schematic diagram of stator according to an embodiment of the invention;
Fig. 6 is the structural representation of the stator monomer of stator core according to an embodiment of the invention;
Fig. 7 is the structural representation in the yoke portion of stator core according to embodiments of the present invention;
Fig. 8 is the main teeth portion of stator core according to embodiments of the present invention and the assembling schematic diagram of tooth boot portion;
Fig. 9 is the structural representation of the main teeth portion of stator core according to embodiments of the present invention;
Figure 10 is the structural representation of the tooth boot portion of stator core according to embodiments of the present invention;
Figure 11 is the structural representation of another angle of the tooth boot portion of stator core according to embodiments of the present invention.
Reference:
Motor 1;
Stator 10;Rotor 20;Stator core 101;Stator monomer 102;
Yoke portion 100;Stopper slot 110;
Main teeth portion 200;Elongated portion 210;Neck 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.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings.Below with reference to
The embodiment of accompanying drawing description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention, this
The those of ordinary skill in field can be changed to above-described embodiment, change, replacing and modification within the scope of the invention.
Motor and its stator according to embodiments of the present invention is described in detail below in conjunction with the accompanying drawings.
Referring to figs. 1 to shown in Figure 11, motor 1 according to embodiments of the present invention may include rotor 10 and stator 20, stator 10
The periphery of rotor 20 is located at, 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 fixed around being located at
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 along rotor 20 circumference
It is evenly-spaced, that is to say, that two stator monomers 102 can be oppositely arranged on the both 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 be with more than two, for example, three, four or more than four etc., i.e., in the present invention, stator core 101 is wrapped
Multiple stator monomers 102 are included, multiple stator monomers 102 can be put along circumferentially-spaced open up of rotor 20.
Each stator monomer 102 may include yoke portion 100, two main teeth portion 200 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 general U-shape of the opening towards rotor 20.It is fixed
Sub- winding 400 can be at least one for being located at main teeth portion 200 and yoke portion 100.That is, can be only in main teeth portion 200
Coiling stator winding 400, can also only in yoke portion 100 coiling stator winding 400, can also simultaneously in main teeth portion 200 and yoke
Coiling stator winding 400 in portion 100, to improve groove utilization rate.In actually manufacture, the number of pole-pairs and stator of rotor can be made
The quantity of monomer 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 connected to the circumferential two ends in yoke portion 100 respectively, and each main teeth portion 200 is by multiple teeth portion punchings
It is overrided to form, 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 masters
Tooth 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 is folded
Pressure.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
Axial direction of the boots punching along yoke portion 100 is laminated, and parallel with main tooth boots punching.Wherein, main tooth boots punching and the punching of end tooth boots can be with
It is made up of same material, or different materials are made.
The inner (i.e. one end of adjacent rotor 20) of main teeth portion 200 is provided 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, in the axial direction in yoke portion 101,
Elongated portion 210 can extend outwardly beyond main teeth portion 200 with one end, can also two ends extend outwardly beyond main teeth portion 200.This
A little projective structures can reach the purpose of the extension poly- magnetic of tooth boots, Comparatively speaking, and the poly- magnetic effect of structure of two ends protrusion is more preferable, one
The structure that protrusion is stretched at end can be used in axially mounted limited space.
The inner (i.e. one end of adjacent rotor 20) of main teeth portion 200 is provided with teeth portion closed slot 201, and teeth portion closed slot 201 can
The main teeth portion 200 of direction insertion is laminated along teeth portion punching.Tooth boot portion 300 is by setting laminating for opening direction and teeth portion punching
The parallel open slot 311 in direction is to be configured with block tongue 312, and the side of block tongue 312 from teeth portion closed slot 201 is installed on teeth portion and closed
In mouth groove 201.Specifically, open slot 311 is along yoke portion 100 is axially through tooth boot portion 300 and is open towards teeth portion punching
A direction on direction is laminated, the side wall in the neighbouring yoke portion 100 of open slot 311 constitutes block tongue 312.Block tongue 312 is closed from teeth portion
The side (i.e. a unlimited direction of teeth portion closed slot 201) of mouth groove 201 is installed in teeth portion closed slot 201.Hold tooth boot portion
300b is installed in elongated portion 210.
Thus, it is possible to by the cooperation of block tongue 312 and teeth portion closed slot 201, realize main tooth boot portion 300a and main teeth portion 200
Clamping, be completely embedded and intensity be high, the consumptive material of tooth boot portion 300 is few, beneficial to the lifting of motor performance.
Stator core 101 according to embodiments of the present invention, yoke portion 100, main teeth portion 200 and tooth boot portion 300 are divided before clamp
Module that Wei be not independent, yoke portion 100 and main teeth portion 200 are separate, main teeth portion 200 and tooth boot portion 300 are separate, each portion
Divide and respectively make, then mutual buckle is grouped together into general U-shape of the opening towards rotor 20, main teeth portion 200 and yoke
The clamping of portion 100, tooth boot portion 300 and the main clamping of teeth portion 200, can make yoke portion 100, main teeth portion 200 and tooth boot portion 300 in stator
Dimensional parameters on 10 axial directions are separate, facilitate tooth boot portion 300 to extend axial length and width, relative to traditional structure, adopt
With the poly- magnetic energy power of this structure it is stronger and can realize yoke portion 100 reduce iron core, reduce motor 1 total quality, ensure cost
In the case of regulation motor 1 performance.Motor 1 according to embodiments of the present invention has excellent performance, low cost and other advantages.
Alternatively, end tooth boot portion 300b is provided with boots portion closed slot 310, and boots portion closed slot 310 is passed through along the axial direction in yoke portion 100
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 with boots portion
The cooperation of mouth groove 310, realizes end tooth boot portion 300b and main teeth portion 200 clamping, is completely embedded, intensity is high, tooth boot portion 300
Consumptive material is few, beneficial to the lifting of motor performance.
In some specific embodiments of the present invention, as shown in Figure 1 to 11, master is protruded at the two 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
Form, the second tooth boots punching is vertical with teeth portion punching.Alternatively, the first tooth boots punching and the second tooth boots punching can be same
Punching, or different punchings, according to circumstances can flexibly be selected.
First tooth boot portion 301 is provided with the first closed slot 310a axially through the first tooth boot portion 301 along yoke portion 100,
Second tooth boot portion 302 is provided with the second closed slot 310b axially through the second tooth boot portion 302 along yoke portion 100.Elongated portion
210 one end is installed in the first closed slot 310a, and the other end of elongated portion 210 is installed in the second closed slot 310b.By
This, can be installed on the two ends of elongated portion 210 respectively, and be completely embedded, by force by the first tooth boot portion 301 and the second tooth boot portion 302
Degree, motor performance is further improved.
In the present invention, main teeth portion 200 and elongated portion 210 can manufacture to be formed respectively, then reassemble together, also may be used
To be integrally formed structure, i.e., main teeth portion 200 and elongated portion 210 are integrated part.Thus, stator core 101 can not only be improved
Bulk strength and structural stability, and be conveniently molded, be simple to manufacture, can save unnecessary assembly parts and connection process,
Assembling is more convenient, it is easier to industrialized production, improves efficiency of assembling and the life-span of stator core 101.
According to some embodiments of the present invention, axially extending length of at least two tooth boot portions 300 along rotor 20 not phase
Deng.Thus, it is more convenient for the startup of monophase machine.
In some specific examples of the present invention, as shown in Figures 1 to 9, main teeth portion 200 is provided with neck 220, yoke portion
100 are installed in neck 220, so as to realize the clamp in main teeth portion 200 and yoke portion 100 and easy to operate, can improve connection jail
Solidity.As shown in Figure 8 and Figure 9, neck 220 is formed as being located at the open slot of the side of main teeth portion 200, thus, be more convenient into
Row assembly manipulation.
Advantageously, as shown in Figures 1 to 7, yoke portion 100, which is provided with, is used in the circumference in yoke portion 100 to main teeth portion 200
Spacing stopper slot 110 is carried out, main teeth portion 200 is installed in stopper slot 110, to prevent that main teeth portion 200 from occurring with yoke portion 100
It is relative to slide, further improve connection effect.Alternatively, stopper slot 110 can be located at the inner peripheral surface or outer peripheral face in yoke portion 100
On.
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 the table to inner side
Face includes at least one in plane and arcwall face, can for plane either arcwall face or plane and arcwall face combination.
Figure 10 and Figure 11 show that the surface towards rotor 20 of tooth boot portion 300 is the example of arcwall face, and regulation of being thus more convenient for is with turning
Air gap between son 20, reduces magnetic field harmonics, reduces torque ripple, improves poly- magnetic effect.
Here, the arcwall face may include at least one section arc surface, and arcwall face can be one section of arc surface or many
Duan Xianglian arc surface, for example, the side surface towards rotor 20 of tooth boot portion 300 is combined by nonconcentric(al) multiple arc surfaces
Form, thus, each harmonic content in air gap is more conducively adjusted, to optimize the noise and vibration of motor 1.Such as Figure 10 and Figure 11
Shown, end tooth boot portion 300b can be spaced apart setting with main tooth boot portion 300a, in order to assemble, and further improve the property of motor
Energy.
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 individual to be insulated by insulation system 500 with main teeth portion 200, in favor of improving the running frequency of motor, expand range of operation, drop
Low eddy-current loss.
For example, in some specific examples of the present invention, insulation system 500 is formed as isolating separator layer, yoke portion 100 with
The junction of main teeth portion 200 and main teeth portion 200 at least one in the junction of tooth boot portion 300 with being provided with isolating separator layer, 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 preferably insulation effect
Really.Thus, it is possible to slow down or block motor 1 run when alternating magnetic field formation current vortex conduction, reduction motor 1 run when
Iron loss, the alternative frequency of stator 10 is improved, so that suitable for high-frequency occasion.
Alternatively, isolating separator layer can be that the dielectric film being encased inside, insulated paint, the insulating cement sprayed etc. have insulating effect
Medium.The insulated paint of spraying can be set using the mode such as spraying or brushing, and insulating cement can be set using application mode, can
To carry out flexible operating as the case may be.
For another example in other specific examples of the present invention, insulation system 500 is formed as the injection molded layers that insulate.Specifically
Ground, yoke portion 100 is with the junction of main teeth portion 200 and main teeth portion 200 with being coated at least one in the junction of tooth boot portion 300
There are insulation injection molded layers, it is preferable that insulation injection molded layers can coat what is be made up of yoke portion 100, main teeth portion 200 and tooth boot portion 300
Whole stator core, thus can also improve the mechanical strength of stator 10, be conducive to improving the noise and vibration performance of motor 1.
Other of motor 1 according to embodiments of the present invention are constituted and operated for the person of ordinary skill of the art
It is knowable, is not described in detail herein.
In the description of the invention, it is to be understood that term " length ", " on ", " under ", "front", "rear", " interior ",
The orientation or position relationship of the instruction such as " outer ", " axial direction ", " radial direction ", " circumference " are to be closed based on orientation shown in the drawings or position
System, is for only for ease of the description present invention and simplifies description, rather than indicate or imply that the device or element of meaning must have
Specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the description of the invention, " multiple " are meant that at least two, such as two, three etc., unless otherwise clear and definite
It is specific to limit.In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " can be
First and second features are directly contacted, or the first and second features pass through intermediary mediate contact.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation "
It should be interpreted broadly Deng term, for example, it may be fixedly connected or be detachably connected, or integrally;It can be machine
Tool connects or electrically connects or can communicate each other;Can be joined directly together, can also be indirectly connected to by intermediary,
Can be connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction.For ability
For the those of ordinary skill in domain, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the description of this specification, the description of reference term " embodiment " or " specific example " etc. means to combine the implementation
Example or specific features, structure, material or the feature of example description are contained at least one embodiment of the present invention or example.
In this manual, identical embodiment or example are necessarily directed to the schematic representation of above-mentioned term.Moreover, retouching
Specific features, structure, material or the feature stated can in an appropriate manner be tied in any one or more embodiments or example
Close.In addition, in the case of not conflicting, those skilled in the art can implement the difference described in this specification
The feature of example or example and non-be the same as Example or example is combined and combined.
Claims (16)
1. a kind of stator core, it is characterised in that the stator core is located at the periphery of rotor, the stator core is included along institute
Circumferentially spaced multiple stator monomers of rotor are stated, each stator monomer includes:
Yoke portion, axial direction of the yoke portion by the yoke portion punching of multiple circumferentially extendings along the rotor along the rotor laminate and
Into;
Two main teeth portion, two main teeth portion are connected to the circumferential two ends in the yoke portion respectively, and each main teeth portion is by more
It is individual vertical with yoke portion punching and be overrided to form along the teeth portion punching radially extended in the yoke portion, the inner of the main teeth portion
Provided with along the axially extending of the yoke portion and at least the elongated portion of the main teeth portion is protruded in one end, the inner of the main teeth portion is provided with
Along the closed slot for laminating main teeth portion described in the insertion of direction of the teeth portion punching;
Main tooth boot portion, the main tooth boot portion is overrided to form by multiple main tooth boots punchings vertical with the teeth portion punching, the master
Tooth boot portion laminates the parallel open slot in direction to be configured with block tongue, the card by set opening direction and the teeth portion punching
The side of tongue from the closed slot is installed in the closed slot;
Tooth boot portion is held, the end tooth boot portion is overrided to form by multiple end tooth boots punchings vertical with the teeth portion punching, the end
Tooth boot portion is installed in the elongated portion.
2. stator core according to claim 1, it is characterised in that the end tooth boot portion is provided with the axle along the yoke portion
To the closed slot that tooth boot portion is held described in insertion, the elongated portion is installed in the closed slot.
3. stator core according to claim 2, it is characterised in that protrude the main tooth respectively in the two ends of the elongated portion
Portion, the end tooth boot portion includes:
First tooth boot portion, first tooth boot portion is overrided to form by multiple first tooth boots punchings vertical with the teeth portion punching,
First tooth boot portion is provided 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 is overrided to form by multiple second tooth boots punchings vertical with the teeth portion punching,
Second tooth boot portion is provided 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, it is characterised in that the main teeth portion is provided with neck, yoke portion card
In the neck.
5. stator core according to claim 1, it is characterised in that the yoke portion, which is provided with, is used for the week in the yoke portion
Spacing stopper slot is carried out to the main teeth portion upwards, the main teeth portion is installed in the stopper slot.
6. stator core according to claim 5, it is characterised in that the stopper slot be located at the yoke portion inner peripheral surface or
On outer peripheral face.
7. stator core according to claim 1, it is characterised in that the side table of the direction rotor of the tooth boot portion
Face is formed as the combination of the one or both of which in arcwall face and plane.
8. stator core according to claim 7, it is characterised in that the arcwall face includes at least one section arc surface.
9. stator core according to claim 1, it is characterised in that axle of the tooth boot portion described at least two along the rotor
It is unequal to the length of extension.
10. stator core according to claim 1, it is characterised in that at least one in the yoke portion and the tooth boot portion
It is individual to be insulated by insulation system with the main teeth portion.
11. stator core according to claim 10, it is characterised in that the insulation system is formed as isolating separator layer,
The isolating separator layer is formed as dielectric film, insulated paint or insulating cement.
12. stator core according to claim 10, it is characterised in that the insulation system is formed as the injection molded layers that insulate.
13. stator core according to claim 1, it is characterised in that the main teeth portion and the elongated portion are integrated part.
14. a kind of stator, it is characterised in that including:
Stator core according to any one of claim 1-13;
Stator winding, the stator winding is at least one for being located at the main teeth portion and the yoke portion.
15. a kind of motor, it is characterised in that including:
Rotor;
Stator according to claim 14, the stator is located at the periphery of the rotor.
16. motor according to claim 15, it is characterised in that the number of pole-pairs of the rotor and the number of the stator monomer
Amount is identical.
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CN201611162767.XA CN106961169B (en) | 2016-12-15 | 2016-12-15 | Stator core, Stator and electrical machine |
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CN201611162767.XA CN106961169B (en) | 2016-12-15 | 2016-12-15 | Stator core, Stator and electrical machine |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
CN110858732A (en) * | 2018-08-24 | 2020-03-03 | 广东威灵电机制造有限公司 | Stator and motor |
CN111293794A (en) * | 2018-12-06 | 2020-06-16 | 威灵(芜湖)电机制造有限公司 | Stator tooth, stator and motor |
WO2020148449A1 (en) * | 2019-01-18 | 2020-07-23 | Gkn Sinter Metals Engineering Gmbh | Electric motor |
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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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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 |
Cited By (8)
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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 |
CN110858732A (en) * | 2018-08-24 | 2020-03-03 | 广东威灵电机制造有限公司 | Stator and motor |
CN111293794A (en) * | 2018-12-06 | 2020-06-16 | 威灵(芜湖)电机制造有限公司 | Stator tooth, 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 |
WO2020148449A1 (en) * | 2019-01-18 | 2020-07-23 | Gkn Sinter Metals Engineering Gmbh | Electric motor |
US20220094214A1 (en) * | 2019-01-18 | 2022-03-24 | Gkn Sinter Metals Engineering Gmbh | Electric Motor |
US11863016B2 (en) * | 2019-01-18 | 2024-01-02 | Gkn Sinter Metals Engineering Gmbh | Electric motor |
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