CN106849399A - Stator core, Stator and electrical machine - Google Patents

Stator core, Stator and electrical machine Download PDF

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Publication number
CN106849399A
CN106849399A CN201611162764.6A CN201611162764A CN106849399A CN 106849399 A CN106849399 A CN 106849399A CN 201611162764 A CN201611162764 A CN 201611162764A CN 106849399 A CN106849399 A CN 106849399A
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CN
China
Prior art keywords
yoke
stator
tooth
tooth boot
stator core
Prior art date
Application number
CN201611162764.6A
Other languages
Chinese (zh)
Other versions
CN106849399B (en
Inventor
李春江
陈金涛
Original Assignee
广东威灵电机制造有限公司
美的威灵电机技术(上海)有限公司
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Application filed by 广东威灵电机制造有限公司, 美的威灵电机技术(上海)有限公司 filed Critical 广东威灵电机制造有限公司
Priority to CN201611162764.6A priority Critical patent/CN106849399B/en
Publication of CN106849399A publication Critical patent/CN106849399A/en
Application granted granted Critical
Publication of CN106849399B publication Critical patent/CN106849399B/en

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12Stationary parts of the magnetic circuit
    • H02K1/14Stator cores with salient poles
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12Stationary parts of the magnetic circuit
    • H02K1/18Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
    • H02K1/185Means 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 core, Stator and electrical machine, stator core is located at the periphery of rotor, and stator core includes that, along circumferentially spaced multiple stator monomers of rotor, each stator monomer includes:Yoke portion, yoke portion is overrided to form along the yoke portion punching of the circumferentially extending of rotor by multiple along the axial direction of rotor;Two main teeth portion, two main teeth portion are connected to the circumferential two ends in yoke portion respectively, each main teeth portion is overrided to form by multiple teeth portion punchings for radially extending vertical with the punching of yoke portion and along yoke portion, and the inner of main teeth portion is provided with along the axially extending of yoke portion and at least elongated portion of the main teeth portion of one end protrusion;Tooth boot portion, tooth boot portion is overrided to form by multiple tooth boots punchings, and tooth boot portion is provided with along the closed slot axially through tooth boot portion in yoke portion, and elongated portion is installed in closed slot.Stator core according to embodiments of the present invention can improve poly- magnetic energy power, reduces cost.

Description

Stator core, Stator and electrical machine

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 punching in the yoke portion, teeth portion and tooth boots of its stator is integrated punching and forms, therefore yoke The size of portion, teeth portion with tooth boots on stator shaft orientation is consistent, or rotational frequency weaker for per surface area magnetic field is relatively low 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 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 Stator axis extend up tooth boots, and the axial dimension of yoke portion and teeth portion can be lengthened again, so as to increase the material consumption of iron core and winding, cause Cost increases.

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, reduces 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 Include along circumferentially spaced multiple stator monomers of the rotor, each described stator monomer includes:Yoke portion, the yoke portion by Multiple yoke portion punchings along the circumferentially extending of the rotor are overrided to form along the axial direction of the rotor;Two main teeth portion, two institutes State the circumferential two ends that main teeth portion is connected to the yoke portion respectively, each described main teeth portion by multiple it is vertical with yoke portion punching and It is overrided to form along the teeth portion punching for radially extending in the yoke portion, the inner of the main teeth portion is provided with prolongs along the axial direction in the yoke portion Stretch and elongated portion that at least the main teeth portion is protruded in one end;Tooth boot portion, the tooth boot portion is overrided to form by multiple tooth boots punchings, institute State tooth boot portion and be provided with the closed slot axially through the tooth boot portion along the yoke portion, the elongated portion is installed on described remaining silent In groove.

Stator core according to embodiments of the present invention can improve poly- magnetic energy power, reduces cost.

In addition, stator core according to the above embodiment of the present invention can also have following additional technical characteristic:

The main teeth portion, the tooth boot portion are protruded respectively in some embodiments of the invention, the two ends of the elongated portion Including:First tooth boot portion, first tooth boot portion is overrided to form by multiple the first tooth boots punching vertical with the teeth portion punching, First tooth boot portion is provided with along first closed slot axially through first tooth boot portion in the yoke portion, the elongated portion One end be installed in first closed slot;Second tooth boot portion, second tooth boot portion is hung down by multiple with the teeth portion punching The second straight tooth boots punching is overrided to form, and second tooth boot portion is provided with along the yoke portion axially through the second tooth boots Second closed slot in portion, the other end of the elongated portion is installed in second closed slot.

Some embodiments of the invention, the elongated portion is provided with and is located axially at described first in the yoke portion Backstop boss between tooth boot portion and second tooth boot portion.

Some embodiments of the invention, the main teeth portion is provided with draw-in groove, and the yoke portion is installed in the draw-in groove.

Some embodiments of the invention, the yoke portion be provided with 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.

Some embodiments of the invention, the spacing draw-in groove of circumference is located at the outer peripheral face or inner peripheral surface in the yoke portion On.

Some embodiments of the 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.

Some embodiments of the 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.

Some embodiments of the invention, at least one of the yoke portion and the tooth boot portion pass through insulation system Insulated with the main teeth portion.

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.

Some embodiments of the 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 on be located at the main teeth portion and the yoke portion at least one.

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.

Some embodiments of the invention, the number of pole-pairs of the rotor is identical with the quantity of the stator monomer.

Additional aspect of the invention and advantage will be set forth in part in the description, and will partly become from the following description Obtain substantially, or recognized by practice of the invention.

Brief description of the drawings

Fig. 1 is electric machine structure schematic diagram according to an embodiment of the invention;

Fig. 2 is electric machine structure schematic diagram 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 part-structure schematic diagram of stator in accordance with another embodiment of the present invention;

Fig. 7 is the structural representation of the stator monomer of stator core according to an embodiment of the invention;

Fig. 8 is the structural representation in the yoke portion of stator core according to embodiments of the present invention;

Fig. 9 is the main teeth portion of stator core according to embodiments of the present invention and the assembling schematic diagram of tooth boot portion;

Figure 10 is the structural representation of the main teeth portion of stator core according to embodiments of the present invention;

Figure 11 is the structural representation of the tooth boot portion of stator core according to embodiments of the present invention;

Figure 12 is the side view 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;Draw-in groove 220;Backstop boss 213;

Tooth boot portion 300;First tooth boot portion 301;Second tooth boot portion 302;Closed slot 310;First closed slot 310a;Second closes Mouth groove 310b;

Stator winding 400;

Insulation system 500.

Specific 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 Description of Drawings is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention, ability The those of ordinary skill in domain can be changed to above-described embodiment, change, replacing and modification within the scope of the invention.

Describe motor and its stator according to embodiments of the present invention in detail below in conjunction with the accompanying drawings.

Referring to figs. 1 to shown in Figure 12, 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 6, 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 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 circumference of rotor 20 It is evenly-spaced.That is, 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 of 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 includes Multiple stator monomers 102, multiple stator monomers 102 can be put along circumferentially-spaced the opening up of rotor 20.

Each stator monomer 102 may include 100, two, yoke portion main teeth portion 200 and tooth boot portion 300, each stator monomer 102 General U-shape of the opening towards rotor 20 can be formed as.Stator winding 400 can be around being located at main teeth portion 200 and yoke portion 100 at least On one.That is, can only in main teeth portion 200 coiling stator winding 400, it is also possible to only around formulation in yoke portion 100 Sub- winding 400, the acceptable coiling stator winding 400 in main teeth portion 200 and yoke portion 100 simultaneously, to improve groove utilization rate.In reality In the manufacture of border, the number of pole-pairs of rotor can be made identical with the quantity of stator monomer, to facilitate coiling, improve the performance of motor 1.

Yoke portion 100 is overrided to form by the punching of multiple yoke portions along the axial direction of rotor 20, each yoke portion punching along rotor 20 week 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 folded by multiple teeth portion punchings Pressure is formed, and 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. tooth boots punching is laminated along the axial direction in yoke portion 100.

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, stretching Portion long 210 can extend outwardly beyond main teeth portion 200 with one end, it is also possible to which two ends extend outwardly beyond main teeth portion 200.These are convex Going out structure can reach the purpose of the extension poly- magnetic of tooth boots, and Comparatively speaking, the poly- magnetic effect of structure of two ends protrusion more preferably, stretch convex by one end The structure for going out can be used in axially mounted limited space.

Tooth boot portion 300 is provided with closed slot 310, and closed slot 310 is along yoke portion 100 axially through tooth boot portion 300.Elongated portion 210 are installed in closed slot 310.Thus, it is possible to pass through the cooperation of elongated portion 210 and closed slot 310, realize tooth boot portion 300 with The clamping of main teeth portion 200, is completely embedded, and intensity is high, and 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 is separate with main teeth portion 200, main teeth portion 200 is separate with tooth boot portion 300, each several part Respectively make, then mutual buckle is combined, main teeth portion 200 and the clamping of yoke portion 100, tooth boot portion 300 and main teeth portion 200 Clamping, can make the dimensional parameters of yoke portion 100, main teeth portion 200 and tooth boot portion 300 on the axial direction of stator 10 separate, convenient Tooth boot portion 300 extends axial length and width, stronger using the poly- magnetic energy power of this structure and can realize yoke relative to traditional structure Portion 100 reduces iron core, reduces the total quality of motor 1, the performance of regulation motor 1 in the case where cost is ensured.According to this hair The motor 1 of bright embodiment has excellent performance, low cost and other advantages.

In some specific embodiments of the invention, as shown in Figures 1 to 12, master is protruded at the two ends of elongated portion 210 respectively Teeth portion 200, tooth boot portion 300 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 laminated by multiple second tooth boots punchings and Into 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 Piece, or different punchings, according to circumstances can flexibly be selected.

First tooth boot portion 301 is provided with along the first closed slot 310a axially through the first tooth boot portion 301 in yoke portion 100, Second tooth boot portion 302 is provided with along the second closed slot 310b axially through the second tooth boot portion 302 in 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.Thus, may be used Be installed on the two ends of elongated portion 210 respectively with by the first tooth boot portion 301 and the second tooth boot portion 302, and be completely embedded, intensity, electricity Machine performance is further improved.

As shown in Figure 9 and Figure 10, can be provided with elongated portion 210 and be located axially at the He of the first tooth boot portion 301 in yoke portion 100 Backstop boss 213 between second tooth boot portion 302.In other words, the first tooth boot portion 301 and the second tooth boot portion 302 are in yoke portion 100 Interval setting on axial direction, elongated portion 210 is provided with the backstop boss 213 for protruding radially inward in yoke portion 100, i.e. backstop is convex Platform 213 protrudes from elongated portion 210 to rotor 20, to separate the first tooth boot portion 301 and the second tooth boot portion 302.Thus, it is possible to improve The positional stability of the first tooth boot portion 301 and the second tooth boot portion 302, and the poly- magnetic in the end of rotor 20 can be improved, reduce magnetic Resistance, makes the magnetic field of rotor 20 more easily be directed into stator 10.

Wherein, footpath of each in the tooth boot portion 301 of backstop boss 213 and first and the second tooth boot portion 302 in yoke portion 100 Upward drop can be not more than the surface towards rotor 20 of 3 millimeters, i.e. backstop boss 213, the direction of the first tooth boot portion 301 Distance radially of the surface towards rotor 20 of the surface of rotor 20 and the second tooth boot portion 302 in yoke portion 100 is less than or waits In 3 millimeters, to ensure more preferable poly- magnetic energy power.

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, unnecessary assembly parts and connection operation can be saved, Assembling is more convenient, it is easier to industrialized production, improves efficiency of assembling and the life-span of stator core 101.

Some embodiments of the invention, at least two tooth boot portions 300 along rotor 20 axially extending length not phase Deng.Thus, it is more convenient for the startup of monophase machine.

In some specific examples of the invention, as shown in Figures 1 to 10, main teeth portion 200 is provided with draw-in groove 220, yoke portion 100 are installed in draw-in groove 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 9 and Figure 10, draw-in groove 220 is formed as the open slot of the side for being located at main teeth portion 200, thus, be more convenient into Row assembly manipulation.

Advantageously, as shown in Figures 1 to 8, yoke portion 100 is provided with for entering to main teeth portion 200 in the circumference in yoke portion 100 The spacing stopper slot 110 of row, main teeth portion 200 is installed in stopper slot 110, relative to prevent main teeth portion 200 from occurring with yoke portion 100 Slide, further improve connection effect.Alternatively, stopper slot 110 can be located on the inner peripheral surface in yoke portion 100 or outer peripheral face.

Some embodiments of the invention, the side surface towards rotor 20 of tooth boot portion 300 be formed as arcwall face and Wherein one or two combination in plane.In other words, tooth boot portion 300 in yoke portion 100 axially towards the surface to inner side Can with plane or arcwall face, or plane and arcwall face combination, Figure 11 and Figure 12 show tooth boot portion 300 towards rotor 20 surface is the example of arcwall face, the air gap being thus more convenient between regulation and rotor 20, reduces magnetic field harmonics, reduces torque Fluctuation, 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 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 Into, thus, each harmonic content more conducively in adjustment air gap, to optimize the noise and vibration of motor 1.

Referring to figs. 1 to shown in Fig. 6, some embodiments of the invention, in yoke portion 100 and tooth boot portion 300 at least one It is individual to be insulated with main teeth portion 200 by insulation system 500, it is beneficial to the running frequency for improving motor, expand range of operation, reduce 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 In the junction of main teeth portion 200 and main teeth portion 200 and the junction of tooth boot portion 300 at least one at be 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 the conduction of the current vortex that alternating magnetic field is formed when motor 1 runs, reduce when motor 1 runs Iron loss, improves the alternative frequency of stator 10, so as to be applied to high-frequency occasion.

Alternatively, isolating separator layer can be that the dielectric film that is encased inside, insulated paint, the insulating cement etc. of spraying have insulating effect Medium.The insulated paint of spraying using spraying or the mode such as can brush and set, and insulating cement can be set using application mode, can be with Flexible operating is carried out as the case may be.

Again for example, in other specific examples of the invention, insulation system 500 is formed as the injection molded layers that insulate.Specifically In ground, yoke portion 100 and the junction of junction and main teeth portion 200 with tooth boot portion 300 of main teeth portion 200 at least one at be coated with Insulation injection molded layers, it is preferable that insulation injection molded layers can coat by yoke portion 100, main teeth portion 200 and tooth boot portion 300 constitute it is 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 ", D score, "front", "rear", " interior ", " outward ", the orientation or position relationship of the instruction such as " 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 is described with simplified, must have rather than the device or element for indicating or imply meaning Specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.

In the description of the invention, " multiple " is 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 One and second feature directly contact, 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 " etc. Term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally;Can be that machinery connects Connect, or electrically connect or can communicate each other;Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be with Be two element internals connection or two interaction relationships of element, unless otherwise clearly restriction.For this area For those of ordinary skill, above-mentioned term concrete meaning in the present invention can be as the case may be understood.

In the description of this specification, the description of reference term " embodiment " or " specific example " etc. means to combine the implementation Example or the specific features of example description, structure, material or feature are contained at least one embodiment of the invention or example. In this manual, the schematic representation to above-mentioned term is necessarily directed to identical embodiment or example.And, description Specific features, structure, material or feature can in an appropriate manner combine in any one or more embodiments or example. Additionally, in the case of not conflicting, those skilled in the art can by the different embodiments described in this specification or The feature of example and different embodiments or example is combined and combines.

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 described stator monomer includes:
Yoke portion, the yoke portion punching of circumferentially extending of the yoke portion by multiple along the rotor laminated along the axial direction of the rotor and Into;
Two main teeth portion, two main teeth portion are connected to the circumferential two ends in the yoke portion respectively, and each described main teeth portion is by more Individual vertical with yoke portion punching and along the yoke portion the teeth portion punching for radially extending is overrided to form, the inner of the main teeth portion It is 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;
Tooth boot portion, the tooth boot portion is overrided to form by multiple tooth boots punchings, and the tooth boot portion is provided with the axial direction along the yoke portion The closed slot of tooth boot portion described in insertion, the elongated portion is installed in the closed slot.
2. stator core according to claim 1, it is characterised in that protrude the main tooth respectively in the two ends of the elongated portion Portion, the tooth boot portion includes:
First tooth boot portion, first tooth boot portion is overrided to form by multiple the first tooth boots punching vertical with the teeth portion punching, First tooth boot portion is provided with along first closed slot axially through first tooth boot portion in 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 the second tooth boots punching vertical with the teeth portion punching, Second tooth boot portion is provided with along second closed slot axially through second tooth boot portion in the yoke portion, the elongated portion The other end be installed in second closed slot.
3. stator core according to claim 2, it is characterised in that the elongated portion is provided with the axial direction in the yoke portion The upper backstop boss being located between first tooth boot portion and second tooth boot portion.
4. stator core according to claim 1, it is characterised in that the main teeth portion is provided with draw-in groove, yoke portion card In the draw-in groove.
5. stator core according to claim 1, it is characterised in that the yoke portion was provided with 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 spacing draw-in groove of circumference is located at the outer of the yoke portion On side face or inner peripheral surface.
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 wherein one or two 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 tooth boot portion described at least two along the rotor axle It is unequal to the length for extending.
10. stator core according to claim 1, it is characterised in that in the yoke portion and the tooth boot portion at least It is individual to be insulated with the main teeth portion by insulation system.
11. stator cores 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 cores according to claim 10, it is characterised in that the insulation system is formed as the injection molded layers that insulate.
13. stator cores according to claim 1, it is characterised in that the main teeth portion and the elongated portion are integrated part.
A kind of 14. stators, it is characterised in that including:
Stator core according to any one of claim 1-13;
Stator winding, the stator winding is on be located at the main teeth portion and the yoke portion at least one.
A kind of 15. motors, it is characterised in that including:
Rotor;
Stator according to claim 14, the stator is located at the periphery of the rotor.
16. motors according to claim 15, it is characterised in that the number of the number of pole-pairs of the rotor and the stator monomer Amount is identical.
CN201611162764.6A 2016-12-15 2016-12-15 Stator core, Stator and electrical machine CN106849399B (en)

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CN201611162764.6A CN106849399B (en) 2016-12-15 2016-12-15 Stator core, Stator and electrical machine

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Application Number Priority Date Filing Date Title
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CN106849399B CN106849399B (en) 2019-03-01

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101483359A (en) * 2008-01-11 2009-07-15 德昌电机(深圳)有限公司 Motor stator chip construction, motor stator construction having the chip construction, and forming method thereof
CN101608393A (en) * 2009-07-20 2009-12-23 叶露微 A kind of household centrifugal dehydrator
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
CN202798178U (en) * 2012-08-16 2013-03-13 富阳新马工具有限公司 Combined type motor stator structure
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
CN104734376A (en) * 2014-12-23 2015-06-24 广东威灵电机制造有限公司 Motor stator iron core, motor stator, motor, and manufacturing method of motor stator

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101483359A (en) * 2008-01-11 2009-07-15 德昌电机(深圳)有限公司 Motor stator chip construction, motor stator construction having the chip construction, and forming method thereof
CN101608393A (en) * 2009-07-20 2009-12-23 叶露微 A kind of household centrifugal dehydrator
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
CN202798178U (en) * 2012-08-16 2013-03-13 富阳新马工具有限公司 Combined type motor stator structure
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
CN104734376A (en) * 2014-12-23 2015-06-24 广东威灵电机制造有限公司 Motor stator iron core, motor stator, motor, and manufacturing method of motor stator

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