CN106849400B - Stator core, Stator and electrical machine - Google Patents
Stator core, Stator and electrical machine Download PDFInfo
- Publication number
- CN106849400B CN106849400B CN201611163655.6A CN201611163655A CN106849400B CN 106849400 B CN106849400 B CN 106849400B CN 201611163655 A CN201611163655 A CN 201611163655A CN 106849400 B CN106849400 B CN 106849400B
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- China
- Prior art keywords
- stator
- stator core
- rotor
- yoke portion
- teeth portion
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Classifications
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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
-
- 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
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
- H02K1/185—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to outer stators
Abstract
The invention discloses a kind of stator cores, Stator and electrical machine, stator core is located at the periphery of rotor and including the circumferentially spaced two stator monomer along rotor, and each stator monomer includes: the yoke portion punching by multiple circumferentially extendings along rotor along the yoke portion that the axial direction of rotor is overrided to form；The two main teeth portion for being respectively engaged with the circumferential both ends in yoke portion and being laminated by multiple vertical with the punching of yoke portion and along yoke portion the teeth portion punching radially extended, the inner end of main teeth portion is formed with the elongated portion that main teeth portion is protruded along the axially extending of yoke portion and at least one end, and the closed slot for laminating direction perforation elongated portion along teeth portion punching is equipped in elongated portion；Tooth boot portion, axial direction of the tooth boot portion by multiple tooth boots punchings along yoke portion are overrided to form and laminate the parallel open slot in direction by setting opening direction and teeth portion punching to be configured with block tongue, and block tongue is installed in closed slot from the side of closed slot.Stator core according to an embodiment of the present invention can be improved poly- magnetic energy power and reduce 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 and 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 two 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 inner end of the main teeth portion is formed with the axial direction along the yoke portion
The elongated portion that the main teeth portion is protruded in extension and at least one end, interior be equipped with of the elongated portion laminate direction along the teeth portion punching
Penetrate through the closed slot of the elongated portion；Tooth boot portion, axial direction of the tooth boot portion by multiple tooth boots punchings along the yoke portion laminate and
The parallel open slot in direction is laminated to be configured with card by setting opening direction and the teeth portion punching at, the tooth boot portion
Tongue, the block tongue are installed in the closed slot from the side of the closed slot.
Stator core according to an embodiment of the present invention can be improved poly- magnetic energy power and reduce 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, in the axial direction in the yoke portion, the both ends of the closed slot extend beyond institute
The development length for stating the part of main teeth portion being connected with the elongated portion and the closed slot is less than the length of the elongated portion.
According to some embodiments of the present invention, the closed slot is formed as the more of the axially spaced setting along the yoke portion
A list 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 wherein one or two combination in plane.
According to some embodiments of the present invention, the arcwall face includes at least one section of arc surface.
According to some embodiments of the present invention, at least two tooth boot portions along the rotor axially extending length not
It is equal.
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.
According to some embodiments of the present invention, the insulation system is formed as isolating separator layer, the isolating separator layer shape
As insulating film, insulated paint or insulating cement.
According to some embodiments of the present invention, the insulation system is formed as the injection molded layers that insulate.
According to some embodiments of the present invention, one end of the neighbouring rotor of the tooth boot portion is in the teeth portion punching
The both ends for laminating direction are equipped with the tooth tip of the circumferentially extending substantially along rotor.
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 the structural schematic diagram of motor 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 structural schematic diagram of stator core according to an embodiment of the invention；
Fig. 6 is the structural schematic diagram of stator core in accordance with another embodiment of the present invention；
Fig. 7 is the structural schematic diagram of the stator monomer of stator core according to an embodiment of the invention；
Fig. 8 is the structural schematic diagram of the stator monomer of stator core in accordance with another embodiment of the present invention；
Fig. 9 is the structural schematic diagram in the yoke portion of stator core according to an embodiment of the present invention；
Figure 10 is the main teeth portion of stator core according to an embodiment of the invention and the assembling schematic diagram in yoke portion；
Figure 11 is the main teeth portion of stator core in accordance with another embodiment of the present invention and the assembling schematic diagram in yoke portion；
Figure 12 is the structural schematic diagram of the main teeth portion of stator core according to an embodiment of the present invention；
Figure 13 is the side view of the main teeth portion of stator core according to an embodiment of the present invention；
Figure 14 is the structural schematic diagram of the tooth boot portion of stator core according to an embodiment of the present invention；
Figure 15 is the structural schematic diagram of another angle of the tooth boot portion of stator core according to an embodiment of the present invention；
Figure 16 is the side view 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；Closed slot 201；
Tooth boot portion 300；Open slot 311；Block tongue 312；Tooth tip 313；
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.
The structures such as motor 1 and its stator 10 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 16, 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.Stator 10 may include stator core 101 and stator winding 400, and stator winding 400 can be wound around on stator core 101.
Stator core 101 is located at the periphery of rotor 20, and stator core 101 may include two stator monomers 102, two stators
Monomer 102 being provided at circumferentially spaced along rotor 20.Preferably, two stator monomers 102 can be along the circumferential direction of rotor 20
It is evenly-spaced, that is to say, that two stator monomers 102 can be oppositely arranged on the two sides of rotor 20.Each stator monomer 102
It may include the main teeth portion 200 in 100, two, yoke portion and tooth boot portion 300, each stator monomer 102 can be generally formed into opening direction and turn
The U-shaped structure of son 20.
Stator winding 400 can be wound around at least one of main teeth portion 200 and yoke portion 100.That is, can be only in master
Coiling stator winding 400 in teeth portion 200, can also the only coiling stator winding 400 in yoke portion 100, can also be simultaneously in main tooth
Coiling stator winding 400 in portion 200 and yoke portion 100, to improve slot utilization rate.In actually manufacture, the extremely right of rotor can be made
Number is identical as the quantity of stator monomer, 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.Tooth boot portion 300 is by multiple tooth boots punchings
It is overrided to form, the punching of tooth boots is vertically arranged with teeth portion punching, i.e. axial direction of the tooth boots punching along yoke portion 100 laminates.
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, one end protrusion
Structure can be used in axially mounted limited space.
Closed slot 201 is equipped in elongated portion 210, closed slot 201 can laminate direction perforation elongated portion along teeth portion punching
210.Tooth boot portion 300 laminates the parallel open slot 311 in direction by setting opening direction and teeth portion punching to be configured with block tongue
312, block tongue 312 is installed in closed slot 201 from the side of closed slot 201.Specifically, axial direction of the open slot 311 along yoke portion 100
It penetrates through tooth boot portion 300 and is open towards laminate on direction a direction for teeth portion punching, the neighbouring yoke portion of open slot 311
100 side wall constitutes block tongue 312.Block tongue 312 is clamped from the side (i.e. 201 open directions of closed slot) of closed slot 201
In closed slot 201.
Thus, it is possible to pass through the cooperation of block tongue 312 and closed slot 201, the clamping of tooth boot portion 300 and elongated portion 210 is realized,
It is completely embedded, intensity is high, and the consumptive material of tooth boot portion 300 is few.Referring to figs. 1 to shown in Fig. 8, block tongue 312 can be from the right side of closed slot 201
Side snaps fitted in closed slot 201, can also snap fitted in closed slot 201 from the left side of closed slot 202, the present invention does not limit this
System.
In the embodiment shown in Figure 12 and Figure 13, the closed slot 201 in elongated portion 210 is formed as along yoke portion 100
Axially extending one section.In the present invention, the closed slot 201 of elongated portion 210 can also be divided axially into multistage along yoke portion 100,
That is the multiple single slots that are formed as the axially spaced setting along yoke portion 100 of closed slot 201, correspondingly, the also edge respectively of tooth boot portion 300
Yoke portion 100 is divided axially into multistage, the mechanical strength of entire main teeth portion 200 can be improved in this way, tooth intensity is more preferable, can improve
Mechanical property reduces noise.
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 combined, and main teeth portion 200 is clamped with yoke portion 100, and tooth boot portion 300 is inserted into main teeth portion
In 200, the dimensional parameters of yoke portion 100, main teeth portion 200 and tooth boot portion 300 in 10 axial direction of stator can be made mutually indepedent, it is convenient
Tooth boot portion 300 extends axial length and width, stronger using the poly- magnetic energy power of this structure and be able to achieve yoke relative to traditional structure
Portion 100 reduces iron core, reduces the total quality of motor 1, and the performance of motor 1 is adjusted in the case where guaranteeing cost.According to this hair
The motor 1 of bright embodiment has many advantages, such as to have excellent performance, is at low cost.
Optionally, the length of closed slot 310, which can according to need, is configured, as shown in figure 13, the axial direction in yoke portion 100
On, the development length of closed slot 201 is less than the length of elongated portion 210 and is greater than the portion that is connected with elongated portion 210 of main teeth portion 200
The extension size divided, the both ends of closed slot 201 respectively extend beyond the part that the elongated portion 210 of main teeth portion 200 is connected.As a result,
The size of tooth boot portion 300 is larger, and the performance of stator core 101 can be improved.
In the present invention, main teeth portion 200 and elongated portion 210 can manufacture to be formed respectively, then reassemble together, can also
With the structure being integrally formed, 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 work can be saved
Sequence, assembling are 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 figure 1 to figure 13, 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 10 to Figure 13, card slot 220 is formed as being located at the open slot of the side of main teeth portion 200, is more convenient as a result,
Carry out assembly manipulation.
Advantageously, as shown in figure 9, yoke portion 100 is equipped with for limiting in the circumferential direction in yoke portion 100 main teeth portion 200
The limiting slot 110 of position, main teeth portion 200 are installed in limiting slot 110, to prevent main teeth portion 200 from occurring to slide relatively with yoke portion 100
It is dynamic, further increase 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 one or both of them in plane.In other words, tooth boot portion 300 in yoke portion 100 axially towards inwardly
Surface may include at least one of plane and arcwall face, it can be plane perhaps arcwall face or plane and arcwall face
Combination, Figure 14 to Figure 16 show tooth boot portion 300 the surface towards rotor 20 be arcwall face example.It is more convenient for as a result,
The air gap between rotor 20 is adjusted, magnetic field harmonics are reduced, torque ripple is reduced, 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 further conducive in adjustment air gap as a result, to optimize the noise and vibration of motor 1.
According to some embodiments of the present invention, the inner end (one end of adjacent rotor 20) of tooth boot portion 300 is in teeth portion punching
Tooth tip 313 substantially along the circumferentially extending of rotor 20 can be formed with by laminating the both ends on direction.As a result, stator monomer 102 not
It can be further improved the magnetic property of stator core 101 in increased situation, and be further conducive to the reduction of tooth boot portion 300, make
Cost further decreases.
Referring to figs. 1 to shown in Fig. 8, Figure 14 to Figure 16, the side surface towards rotor 20 of tooth boot portion 300 is formed as edge
The arcwall face of the circumferentially extending of rotor 20, the closed end of tooth boot portion 300 may include the plane parallel with teeth portion punching and with phase
The first inclined surface inclined for the plane, the open end of tooth boot portion 300 include be obliquely installed relative to teeth portion punching
Two inclined surface, the first inclined surface, the second inclined surface can constitute the tooth tip of the circumferentially extending along rotor 20 with arcwall face respectively.
Referring to figs. 1 to 4, 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 can be 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,
Isolating separator layer 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.Thus, it is possible to the conduction for the current vortex that alternating magnetic field is formed when slowing down or motor 1 being blocked to run, when reducing the operation of motor 1
Iron loss, improve stator 10 alternative frequency, thus be suitable for high-frequency occasion.
Optionally, isolating separator layer can be that the insulating film being encased inside, the insulated paint of spraying, insulating cement etc. have insulating effect
Medium.The insulated paint of spraying using spraying or the modes such as can brush and be arranged, and insulating cement can be arranged using coating mode, can be with
Flexible operating is carried out 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 can be 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
Have insulation 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 whole
Thus a 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 (17)
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 two 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
It is formed with the elongated portion for protruding the main teeth portion along the axially extending of the yoke portion and at least one end, is equipped with edge in the elongated portion
The closed slot for laminating direction and penetrating through the elongated portion of the teeth portion punching；
Tooth boot portion, axial direction of the tooth boot portion by multiple tooth boots punchings along the yoke portion are overrided to form, and the tooth boot portion is by setting
That sets opening direction and the teeth portion punching laminates the parallel open slot in direction to be configured with block tongue, and the block tongue is from described silent
The side of slot is installed in the closed slot.
2. stator core according to claim 1, which is characterized in that in the axial direction in the yoke portion, the closed slot
The development length that both ends extend beyond the part of the main teeth portion being connected with the elongated portion and the closed slot is less than described
The length of elongated portion.
3. stator core according to claim 1 or 2, which is characterized in that the closed slot is formed as along the yoke portion
Multiple single slots of axially spaced setting.
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 wherein one or two 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, 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 one end of the neighbouring rotor of the tooth boot portion
The tooth tip of the circumferentially extending substantially along rotor is equipped at the both ends of the teeth portion punching laminated on direction.
14. stator core according to claim 1, which is characterized in that the main teeth portion and the elongated portion are integrated.
15. a kind of stator characterized by comprising
Stator core described in any one of -14 according to claim 1；
Stator winding, the stator winding are wound around at least one of the main teeth portion and the yoke portion.
16. a kind of motor characterized by comprising
Rotor；
Stator according to claim 15, the stator are located at the periphery of the rotor.
17. motor according to claim 16, 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 |
|---|---|---|---|
| CN201611163655.6A CN106849400B (en) | 2016-12-15 | 2016-12-15 | Stator core, Stator and electrical machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611163655.6A CN106849400B (en) | 2016-12-15 | 2016-12-15 | Stator core, Stator and electrical machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106849400A CN106849400A (en) | 2017-06-13 |
| CN106849400B true CN106849400B (en) | 2019-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611163655.6A Active CN106849400B (en) | 2016-12-15 | 2016-12-15 | Stator core, Stator and electrical machine |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019088159A (en) * | 2017-11-09 | 2019-06-06 | マブチモーター株式会社 | Stator, and single-phase motor |
| CN112713683B (en) * | 2020-12-11 | 2021-12-14 | 珠海格力电器股份有限公司 | Composite magnetic field permanent magnet rotor, manufacturing method thereof, motor rotor and motor |
| CN112865467B (en) * | 2021-04-13 | 2022-08-02 | 山东大学 | Combined stator core claw pole transverse flux permanent magnet brushless motor structure and method thereof |
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| JP4365271B2 (en) * | 2004-05-26 | 2009-11-18 | 三菱電機株式会社 | Manufacturing method of laminated iron core |
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| CN106849400A (en) | 2017-06-13 |
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