CN209184328U - A kind of stator core and motor in axial magnetic field - Google Patents
A kind of stator core and motor in axial magnetic field Download PDFInfo
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- CN209184328U CN209184328U CN201920124610.0U CN201920124610U CN209184328U CN 209184328 U CN209184328 U CN 209184328U CN 201920124610 U CN201920124610 U CN 201920124610U CN 209184328 U CN209184328 U CN 209184328U
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- iron core
- notch
- outer ring
- stator
- ring recess
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Abstract
The utility model discloses a kind of stator core and motor in axial magnetic field, stator core includes iron core main part, iron core inner ring portion and iron core outer ring portion, multiple stator body slots are offered on iron core main part, iron core inner ring offers ring recess in multiple iron cores in portion, the outer ring recess of multiple iron cores is offered in the portion of iron core outer ring, ring recess, the outer ring recess of iron core and the concentric conducting setting of stator body slot form the stator slot for placing copper wire in iron core.Furthermore, the first chamfering is provided in iron core at the notch of ring recess, the second chamfering is provided at the notch of the outer ring recess of iron core, without avoiding wedge angle herein, that is, it does not need coil outside ring recess and iron core at the notch of ring recess in iron core and improves copper wire utilization rate so that assembly inner hole increases using longer end.
Description
Technical field
The utility model relates to motor component technical fields, more particularly, to a kind of stator core and axial magnetic field electricity
Machine.
Background technique
The stator core of motor in axial magnetic field is radially provided with a certain number of on one or two end faces
Stator slot, for embedding conductive copper wire.
Currently, as shown in Figure 1,1 ' of stator slot of stator core is usually straight shaped groove, in the Internal and external cycle of 1 ' of stator slot
It is wedge angle at notch.To avoid wedge angle herein, needs coil using longer end, reduced so as to cause assembly inner hole, copper
Line use ratio is low.
Therefore, copper wire utilization rate when how to improve stator core coiling is those skilled in the art's technology urgently to be resolved
Problem.
Utility model content
In view of this, first purpose of the utility model is to provide a kind of stator core, can be improved stator core around
Copper wire utilization rate when line.
Second purpose of the utility model is to provide a kind of motor in axial magnetic field.
In order to realize above-mentioned first purpose, the utility model provides following scheme:
A kind of stator core, including iron core main part, iron core inner ring portion and iron core outer ring portion；
Iron core inner ring portion and the iron core outer perimeter section be not arranged in the iron core main part inside and the iron
The outside of core main part, and iron core inner ring portion, iron core outer ring portion and the concentric setting of iron core main part；
Multiple stator body slots are offered on the iron core main part；
The iron core inner ring offers ring recess in multiple iron cores in portion；
The outer ring recess of multiple iron cores is offered in the portion of the iron core outer ring；
The outer ring recess of ring recess, the iron core and the concentric conducting of the stator body slot are arranged in the iron core, the iron core
It is provided with the first chamfering at the notch of interior ring recess, is provided with the second chamfering at the notch of the outer ring recess of the iron core.
In a specific embodiment, iron core inner ring portion, iron core outer ring portion and the iron core main part
It connects for integral type, and is formed by winding.
In another specific embodiment, iron core inner ring portion and iron core outer ring portion pass through molding shape
At；
The iron core main part is formed by winding.
In another specific embodiment, the outer ring recess of ring recess, the iron core and the stator body in the iron core
The notch of slot includes the first notch and the second notch；
The first notch of ring recess is connected connection with the first notch of the stator body slot in the iron core, outside the iron core
Connection is connected with the second notch of the stator body slot in first notch of ring recess.
In another specific embodiment, the width of the first notch of ring recess is less than the stator master in the iron core
The width of first notch of body slot；
The width of first notch of the outer ring recess of the iron core is less than the width of the second notch of the stator body slot；Or
The width of the first notch of ring recess is equal to the width of the first notch of the stator body slot in the iron core；
The width of first notch of the outer ring recess of the iron core is equal to the width of the second notch of the stator body slot.
In another specific embodiment, cell wall of the ring recess at its first notch is evagination in the iron core
It is arc-shaped.
In another specific embodiment, outer cell wall of the ring recess at its first notch of the iron core is evagination
It is arc-shaped.
In another specific embodiment, iron core inner ring portion and iron core outer ring portion are soft magnetic materials mould
It presses.
In another specific embodiment, iron core outer ring portion and iron core inner ring portion are solid respectively by screw
It is scheduled on the outside of the iron core main part and the inside of the iron core main part.
Each embodiment according to the present utility model can according to need any combination, resulting reality after these combinations
Scheme is applied also in the scope of the utility model, is a part of specific embodiment of the present invention.
In a specific embodiment of the utility model, disclosing stator core includes iron core main part, iron core inner ring
Portion and iron core outer ring portion offer multiple stator body slots on iron core main part, and iron core inner ring offers in multiple iron cores in portion
Ring recess offers the outer ring recess of multiple iron cores in the portion of iron core outer ring, and ring recess, the outer ring recess of iron core and stator body slot are concentric in iron core
Conducting setting forms the stator slot for placing copper wire.In addition, the first chamfering is provided in iron core at the notch of ring recess, the outer ring recess of iron core
Notch at be provided with the second chamfering, without avoiding wedge angle herein, that is to say, that the ring recess outside ring recess and iron core in iron core
Coil is not needed at notch improves copper wire utilization rate so that assembly inner hole increases using longer end.
In order to realize above-mentioned second purpose, the utility model provides following scheme:
A kind of motor in axial magnetic field, including the stator core as described in above-mentioned any one.
Since motor in axial magnetic field disclosed by the utility model includes the stator core in above-mentioned any one, it is fixed
The motor in axial magnetic field disclosed by the utility model of beneficial effect possessed by sub- iron core included.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise for not paying novelty labour
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram for the stator core that the prior art provides；
Fig. 2 is a kind of structural schematic diagram of stator core provided by the utility model；
Fig. 3 is the another structural schematic diagram of stator core provided by the utility model；
Fig. 4 is another structural schematic diagram of stator core provided by the utility model.
Wherein, in Fig. 1-4:
1 ' of stator slot, iron core main part 1, stator body slot 101, iron core inner ring portion 2, ring recess 201, the first chamfering in iron core
202, iron core outer ring portion 3, iron core outer ring recess 301, the second chamfering 302.
Specific embodiment
In order to make those skilled in the art better understand the technical solution of the utility model, with reference to the accompanying drawing and have
The utility model is described in further detail for body embodiment.
Explanation of nouns:
Stator core: for embedding the magnetic conductive part of coil in motor, volume is generally rushed by the silicon steel sheet with magnetic property
It forms.
Embodiment one
As in Figure 2-4, the utility model provides a kind of stator core.The stator core includes iron core main part 1, iron
In-core circle portion 2 and iron core outer ring portion 3.
Iron core inner ring portion 2 and iron core outer ring portion 3 be separately positioned on iron core main part 1 inside and iron core main part 1 it is outer
Side, and iron core inner ring portion 2, iron core outer ring portion 3 and the concentric setting of iron core main part 1.
The inside of iron core main part 1 refers to that side of iron core main part 1 close to its axial line, and 2 inner sleeve of iron core inner ring portion exists
In iron core main part 1.The outside of iron core main part 1 refers to that side of iron core main part 1 far from its axial line, iron core outer ring portion 3
Housing is on iron core main part 1.
Offer multiple stator body slots 101 along its radial direction on iron core main part 1, in iron core inner ring portion 2 along
Its radial direction offers ring recess 201 in multiple iron cores；It is offered outside multiple iron cores in iron core outer ring portion 3 along its radial direction
Ring recess 301.
The outer ring recess 301 of ring recess 201, iron core is arranged with the concentric conducting of stator body slot 101 in iron core, forms stator slot,
The first chamfering 202 is provided in iron core at the notch of ring recess 201, is provided with the second chamfering at the notch of the outer ring recess 301 of iron core
302。
Specifically, the notch that the first chamfering 202 is arranged in ring recess 201 in iron core refers to that ring recess 201 is far from iron core master in iron core
That notch in body portion 1, the notch that the second chamfering 302 is arranged in the outer ring recess 301 of iron core refer to the outer ring recess 301 of iron core far from iron core master
That notch in body portion 1.
It should be noted that the first chamfering 202 and the second chamfering 302 can may be wedge angle etc. for fillet.
Iron core inner ring portion 2, iron core outer ring portion 3 and iron core main part 1 can connect for integral type, and pass through winding shape
At.It is also possible to iron core inner ring portion 2 and iron core outer ring portion 3 to be formed by molding, iron core main part 1 is formed by winding.
In stator core disclosed by the utility model, the first chamfering 202, iron are provided in iron core at the notch of ring recess 201
It is provided with the second chamfering 302 at the notch of the outer ring recess 301 of core, without avoiding wedge angle herein, that is to say, that the ring recess in iron core
201 and the outer ring recess 301 of iron core notch at do not need coil and improved using longer end so that assembly inner hole increases
Copper wire utilization rate.
Embodiment two
The stator in stator core and embodiment one in second embodiment provided by the utility model, in the present embodiment
The structure of iron core is similar, just repeats no more to something in common, only introduces difference.
In the present embodiment, with iron core inner ring portion 2, iron core outer ring portion 3 with iron core main part 1 it is that integral type connects, and
For being formed by winding.That is, when opening up the first chamfering 202 and the second chamfering 302, according to its size and stator slot
Size setting silicon steel sheet punching press pitch, it is only necessary to one set of die changes corresponding pitch, by winding, just there is not similar shape
The structure of shape.Stator body slot can be straight-line groove, can be the slot of various other shapes.
The utility model has the advantages that and reduces on (1) process costs that (2) technological design cycle time, (3) are compared
More stable in axial direction electric machine power density height and original axial-direction motor structure, (4) Automated assembly winding is easier to realize,
(5) dimensional accuracy is easier control, and (6) iron core performance is more secure.
Embodiment three
The stator in stator core and embodiment one in 3rd embodiment provided by the utility model, in the present embodiment
The structure of iron core is similar, just repeats no more to something in common, only introduces difference.
In the present embodiment, specifically discloses iron core inner ring portion 2 and iron core outer ring portion 3 and formed by molding, iron core main body
Portion 1 is formed by winding.
Iron core main part 1 is formed by winding and is formed by winding, i.e., iron core main part 1 passes through traditional winding process system
At stator body slot 101 is common straight line type groove.
Further, the utility model discloses iron core inner ring portion 2 and iron core outer ring portion 3 be soft magnetic materials molding and
At.It should be noted that iron core inner ring portion 2 and iron core outer ring portion 3 can also be molded by other materials for capableing of magnetic conduction.
Further, the utility model discloses iron core outer ring portions 3 and iron core inner ring portion 2 to be separately fixed at iron by screw
The outside of core main part 1 and the inside of iron core main part 1.It should be noted that iron core outer ring portion 3 and iron core inner ring portion 2 can also
It is connect in a manner of usually pasting etc. with iron core main part 1.
Stator core is divided into 3 three parts of iron core main part 1, iron core inner ring portion 2 and iron core outer ring portion, iron by the utility model
In-core circle portion 2 and iron core outer ring portion 3 are made up of molding, convenient for opening up chamfering, improve the insulation performance of motor in axial magnetic field,
Improve the production efficiency of stator core.
Example IV
The stator in stator core and embodiment one in fourth embodiment provided by the utility model, in the present embodiment
The structure of iron core is similar, just repeats no more to something in common, only introduces difference.
In the present embodiment, the utility model discloses ring recess 301 and stator body slots outside ring recess 201 in iron core, iron core
101 notch includes the first notch and the second notch, the of the first notch of ring recess 201 and stator body slot 101 in iron core
Connection is connected with the second notch of stator body slot 101 in the conducting connection of one notch, outer first notch of ring recess 301 of iron core.
Further, the utility model discloses the width of the first notch of ring recess 201 in iron core to be less than stator body slot
The width of the width of 101 the first notch, the first notch of the outer ring recess 301 of iron core is less than the second notch of stator body slot 101
Width.As shown in Figure 2.I.e. winding coil when, form gap between coil and the cell wall of stator body slot 101, convenient for heat dissipation.
It should be noted that the width for being also possible to the first notch of ring recess 201 in iron core is equal to stator body slot 101
The width of first notch, the width of the first notch of the outer ring recess 301 of iron core are equal to the width of the second notch of stator body slot 101
Degree.On this basis, the utility model specifically discloses three kinds of forms:
(1) along the axis direction of the radial direction of stator core to stator core, the cell wall of the outer ring recess 301 of iron core is determined
The cell wall of ring recess 201 point-blank (removes the second slot of the outer ring recess 301 of iron core in the cell wall and iron core of sub- body groove 101
Cell wall in cell wall and iron core at mouthful at the second notch of ring recess 201), as shown in Figure 3；
(2) cell wall of the ring recess 201 at its first notch is the arc-shaped of evagination in iron core, when being convenient for coiling, coil
Gap is formed between the arc-shaped cell wall of the evagination, convenient for heat dissipation；
(3) outer cell wall of the ring recess 301 at its first notch of iron core is the arc-shaped of evagination, when being convenient for coiling, coil
Gap is formed between the arc-shaped cell wall of the evagination, convenient for heat dissipation, as shown in Figure 4.
Further, the utility model discloses iron core inner ring portion 2 and iron core outer ring portion 3 be soft magnetic materials molding and
At.It should be noted that iron core inner ring portion 2 and iron core outer ring portion 3 can also be molded by other materials for capableing of magnetic conduction.
Further, the utility model discloses iron core outer ring portions 3 and iron core inner ring portion 2 to be separately fixed at iron by screw
The outside of core main part 1 and the inside of iron core main part 1.It should be noted that iron core outer ring portion 3 and iron core inner ring portion 2 can also
It is connect in a manner of usually pasting etc. with iron core main part 1.
The utility model has the advantages that
(1) axial direction is improved without wedge angle at second notch in iron core inner ring portion 2 and second notch in iron core outer ring portion 3
The insulation performance of magnetic field electric motor improves production efficiency, and reduces end turn, improves copper wire utilization rate, avoids wedge angle
Caused fever is concentrated, the problem of capacity of heat transmission difference.
(2) when embedding the wire, the coil in iron core inner ring portion 2 and iron core outer ring portion 3 is not easy to crack, increases excess loss；
(3) structure of the application is not only used in stator coil, can also be used as magnet steel magnetizer, as magnet steel magnetic conduction
When body, the intensity of support member can be effectively improved, reduces difficulty of processing；
(4) Automated assembly winding is easier to realize；
(5) it is reduced by design shape and improves magnetic energy utilization rate to reduce iron loss with magnetic energy area.
Embodiment five
The utility model provides a kind of motor in axial magnetic field, including the stator iron in such as above-mentioned any one embodiment
Core.
Since motor in axial magnetic field disclosed by the utility model includes the stator core in above-mentioned any one embodiment, because
This, the motor in axial magnetic field disclosed by the utility model of beneficial effect possessed by stator core is included.
It should also be noted that, herein, relational terms such as first and second and the like are used merely to one
Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation
There are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that article or equipment including a series of elements not only include those elements, but also
It including other elements that are not explicitly listed, or further include for this article or the intrinsic element of equipment.Do not having
In the case where more limitations, the element that is limited by sentence "including a ...", it is not excluded that in the article including above-mentioned element
Or there is also other identical elements in equipment.
Specific case used herein is expounded the principles of the present invention and embodiment, above embodiments
Explanation be merely used to help understand the core concept of the utility model.It should be pointed out that for the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvements and modifications can be made to this utility model,
Modifications and modifications also fall within the protection scope of the claims of the utility model.
Claims (10)
1. a kind of stator core, which is characterized in that including iron core main part (1), iron core inner ring portion (2) and iron core outer ring portion (3)；
Iron core inner ring portion (2) and iron core outer ring portion (3) are separately positioned on inside and the institute of the iron core main part (1)
State the outside of iron core main part (1), and iron core inner ring portion (2), iron core outer ring portion (3) and the iron core main part
(1) concentric setting；
Multiple stator body slots (101) are offered on the iron core main part (1)；
Ring recess (201) in multiple iron cores are offered in iron core inner ring portion (2)；
The outer ring recess (301) of multiple iron cores is offered in iron core outer ring portion (3)；
The outer ring recess (301) of ring recess (201), the iron core is concentric with the stator body slot (101) in the iron core and is connected
Setting, and the first chamfering (202) are provided at the notch of ring recess (201) in the iron core, the slot of the outer ring recess (301) of the iron core
The second chamfering (302) are provided at mouthful.
2. stator core according to claim 1, which is characterized in that iron core inner ring portion (2), iron core outer ring portion
It (3) is that integral type connects, and is formed by winding with the iron core main part (1).
3. stator core according to claim 1, which is characterized in that iron core inner ring portion (2) and the iron core outer ring
Portion (3) is formed by molding；
The iron core main part (1) is formed by winding.
4. stator core described in any one of -3 according to claim 1, which is characterized in that ring recess (201) in the iron core,
The notch of the outer ring recess (301) of the iron core and the stator body slot (101) includes the first notch and the second notch；
Connection is connected with the first notch of the stator body slot (101) in the first notch of ring recess (201) in the iron core, described
Connection is connected with the second notch of the stator body slot (101) in first notch of the outer ring recess (301) of iron core.
5. stator core according to claim 4, which is characterized in that the first notch of ring recess (201) in the iron core
Width is less than the width of the first notch of the stator body slot (101)；
The width of first notch of the outer ring recess (301) of the iron core is less than the width of the second notch of the stator body slot (101)
Degree；Or
The width of the first notch of ring recess (201) is equal to the width of the first notch of the stator body slot (101) in the iron core
Degree；
The width of first notch of the outer ring recess (301) of the iron core is equal to the width of the second notch of the stator body slot (101)
Degree.
6. stator core according to claim 4, which is characterized in that ring recess (201) is close to its first slot in the iron core
Cell wall at mouthful is the arc-shaped of evagination.
7. stator core according to claim 4, which is characterized in that the outer ring recess (301) of the iron core is close to its first slot
Cell wall at mouthful is the arc-shaped of evagination.
8. stator core according to claim 3, which is characterized in that iron core inner ring portion (2) and the iron core outer ring
Portion (3) is that soft magnetic materials is molded.
9. stator core according to claim 8, which is characterized in that iron core outer ring portion (3) and the iron core inner ring
Portion (2) is separately fixed at the outside of the iron core main part (1) and the inside of the iron core main part (1) by screw.
10. a kind of motor in axial magnetic field, which is characterized in that including the stator core as described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920124610.0U CN209184328U (en) | 2019-01-24 | 2019-01-24 | A kind of stator core and motor in axial magnetic field |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920124610.0U CN209184328U (en) | 2019-01-24 | 2019-01-24 | A kind of stator core and motor in axial magnetic field |
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| Publication Number | Publication Date |
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| CN209184328U true CN209184328U (en) | 2019-07-30 |
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ID=67378927
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| CN201920124610.0U Active CN209184328U (en) | 2019-01-24 | 2019-01-24 | A kind of stator core and motor in axial magnetic field |
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| CN (1) | CN209184328U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020151497A1 (en) * | 2019-01-24 | 2020-07-30 | 浙江盘毂动力科技有限公司 | Stator core molding method |
-
2019
- 2019-01-24 CN CN201920124610.0U patent/CN209184328U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020151497A1 (en) * | 2019-01-24 | 2020-07-30 | 浙江盘毂动力科技有限公司 | Stator core molding method |
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Address after: 321100 Jiangnan Park 23, Lanxi Economic Development Zone, Jinhua, Zhejiang Patentee after: Zhejiang Panhu Power Technology Co., Ltd. Address before: 321100 Jiangnan Park 23, Lanxi Economic Development Zone, Jinhua, Zhejiang Patentee before: Core drive technology (Jinhua) Co., Ltd. |