CN207968096U - Stator and motor - Google Patents
Stator and motor Download PDFInfo
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- CN207968096U CN207968096U CN201820519814.XU CN201820519814U CN207968096U CN 207968096 U CN207968096 U CN 207968096U CN 201820519814 U CN201820519814 U CN 201820519814U CN 207968096 U CN207968096 U CN 207968096U
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- pole shoe
- stator
- shoe portion
- card slot
- stator according
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Abstract
The utility model provides a kind of stator and motor, is related to the technical field of motor.The stator, including：Stator core, multiple stator cores are along the circumferential direction mutually spliced to form cyclic structure, and the stator core includes pole shoe portion and teeth portion；The pole shoe portion is made of SMC composite materials, and the teeth portion is made of non-crystalline material.To alleviate the technical problem that the loss of electric machine existing in the prior art is big or electric efficiency is low.
Description
Technical field
The utility model is related to the technical fields of motor, more particularly, to a kind of stator and motor.
Background technology
If the stator of existing internal stator type ac motor is to laminate aftershaping by dry plate silicon steel punched chip mostly, in order to
Embedded stator exciting coil, in silicon steel sheet upper edge, its yoke inwardly goes out several gear pieces for being directed toward stator punching center, also
It comes to an agreement son to be made of stator yoke and stator teeth, stator coil is then wound around on stator teeth.
Existing automobile drive electric motor stator uses same material or uses silicon steel sheet or use non-crystalline material substantially,
Since pole shoe portion is easily saturated than teeth portion, in order not to cause pole shoe portion hot-spot to have to drop teeth portion flux density.
The prior art there is a problem of using single permeability magnetic material it is various, the general frequency of automobile drive electric motor compared with
Height, and under high frequency condition, the iron loss of silicon steel sheet is larger, reduces the efficiency of motor；Use the iron core saturation point of non-crystalline material
Relatively low, core shoe portion end can reach saturation value at first, to influence the performance of entire motor.
Utility model content
The first of the utility model is designed to provide a kind of stator, big to alleviate the loss of electric machine existing in the prior art
Or the technical problem that electric efficiency is low.
Based on above-mentioned first purpose, stator provided by the utility model, including：Stator core, multiple stator cores
Along the circumferential direction mutually it is spliced to form cyclic structure；
The stator core includes the first pole shoe portion, the second pole shoe portion and teeth portion；
First pole shoe portion and second pole shoe portion are made of SMC permeability magnetic materials, and the teeth portion is amorphous magnetic conduction material
Material is made.
Further include fixing bracket as further technical solution, the fixing bracket is equipped with card slot；
First pole shoe portion is clamped with the card slot, or, second pole shoe portion is clamped with the card slot.
As further technical solution, the stator core is in I-shaped.
As further technical solution, the dovetail-shape structure in section in the pole shoe portion, arcuate structure, T-shaped structure, ladder
Shape structure or U-shaped structure.
As further technical solution, the radial dimension in the pole shoe portion uniformly increases or contracts in its circumferential direction
It is small；
Alternatively, the circumferential size in the pole shoe portion uniformly increases or reduces in the radial direction thereof.
As further technical solution, the fixing bracket includes upper bracket and lower bracket, and the upper bracket is equipped with the
One card slot, the lower bracket are equipped with the second card slot, and first pole shoe portion is clamped with first card slot, second pole shoe portion
It is clamped with second card slot.
As further technical solution, the teeth portion is equipped with winding.
As further technical solution, multiple pole shoe portions are along the circumferential direction mutually spliced to form cyclic structure, institute
Pole shoe is stated to be arranged radially from inside to outside.
As further technical solution, multiple teeth portion are along the circumferential direction mutually spliced to form cyclic structure, adjacent
Gap is formed between two teeth portion.
The second of the utility model is designed to provide a kind of stator, big to alleviate the loss of electric machine existing in the prior art
Or the technical problem that electric efficiency is low.
Based on above-mentioned second purpose, the utility model provides a kind of motor, including the stator.
What the utility model was brought has the beneficial effect that：
Stator provided by the utility model, including：Stator core, multiple stator cores are along the circumferential direction mutually spliced to form
Cyclic structure；Stator core includes the first pole shoe portion, the second pole shoe portion and teeth portion；First pole shoe portion and the second pole shoe portion are SMC
Permeability magnetic material is made, and teeth portion is made of amorphous permeability magnetic material.Stator structure provided by the utility model is simple, single stator core
Including the first pole shoe portion, the second pole shoe portion and teeth portion.Stator provided by the utility model, single stator core take differentiation to set
Meter, wherein the first pole shoe portion and the second pole shoe portion are made of SMC permeability magnetic materials, and teeth portion is made of amorphous permeability magnetic material.This practicality
The stator of novel offer makes full use of SMC permeability magnetic material high frequency eddy current losses small, the high advantage of saturation point and amorphous magnetic conduction
Under material high frequency condition, the small advantage of iron loss reduces to greatest extent under the premise of meeting automobile drive electric motor performance
Loss, improves the efficiency of motor.
In addition, the utility model additionally provides a kind of motor, including the stator.Wherein, the structure of stator, work are former
Reason and advantageous effect are described in detail in the advantageous effect of stator, and details are not described herein.Above-mentioned motor and this practicality
Possessed advantage is identical compared with the existing technology for the stator of novel offer, and details are not described herein.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 is the first structural schematic diagram for the stator that the utility model embodiment provides；
Fig. 2 is the structural schematic diagram of stator core in the stator that the utility model embodiment provides；
Fig. 3 is the structural schematic diagram in stator core vertical section in the stator that the utility model embodiment provides；
Fig. 4 is second of structural schematic diagram of the stator that the utility model embodiment provides.
Icon：1- stator cores；The first pole shoes of 21- portion；The second pole shoes of 22- portion；3- teeth portion；4- fixing brackets.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality
Novel protected range.
In the description of the present invention, it should be noted that such as occur term "center", "upper", "lower", " left side ",
" right side ", "vertical", "horizontal", "inner", "outside" etc., indicated by orientation or positional relationship be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply the indicated device or member
Part must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
In addition, term " first " such as occur, " second ", being used for description purposes only, it is not understood to indicate or imply relative importance.
Wherein, term " first position " and " second position " are two different positions.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
The utility model provides a kind of stator and motor, and multiple embodiments are given below to provided by the utility model fixed
Son and motor are described in detail.
Embodiment one
As shown in Figs 1-4, the stator that the utility model embodiment one provides, including：Stator core 1, multiple stator cores
1 is along the circumferential direction mutually spliced to form cyclic structure；Stator core 1 includes the first pole shoe portion 21, the second pole shoe portion 22 and teeth portion
3；First pole shoe portion 21 and the second pole shoe portion 22 are made of SMC permeability magnetic materials, and teeth portion 3 is made of amorphous permeability magnetic material.This practicality
The stator structure of novel offer is simple, and single stator core 1 includes the first pole shoe portion 21, the second pole shoe portion 22 and teeth portion 3.This reality
With the stator of novel offer, single stator core 1 takes differentiation to design, wherein the first pole shoe portion 21 and the second pole shoe portion 22
It is made of SMC permeability magnetic materials, teeth portion 3 is made of amorphous permeability magnetic material.Stator provided by the utility model makes full use of SMC magnetic conductions
Material high frequency eddy current losses are small, under the high advantage of saturation point and amorphous permeability magnetic material high frequency condition, the small advantage of iron loss,
Under the premise of meeting automobile drive electric motor performance, loss is reduced to greatest extent, improves the efficiency of motor.
Split-type stator core 1 is not only convenient for machine directly to carry out the offline coiling of enameled wire, and reduces core end
With line amount.
It should be noted that SMC permeability magnetic materials can be the SMC composite materials with magnetic property.Amorphous permeability magnetic material
It can be the non-crystalline material with magnetic property.
It should also be noted that, SMC composite materials are one kind of fiberglass.Primary raw material (is filled out by GF (special yarn), MD
Material) and various auxiliary agents composition.Non-crystalline material is amorphous material.Amorphous material is also amorphous or vitreous material, this is
One major class rigid solid, have and amorphous material it is comparable compared with high rigidity and the high coefficient of viscosity, but its composition atom, molecule
Space arrangement periodicity and translational symmetry is not presented, the long-range order of crystalline state is destroyed；Only because interatomic mutual
Correlation makes it have short program in the zonule of several atoms (or molecule) diameter.
There are three essential characteristics for amorphous material tool.
1. the short program in minizone is only existed, without any long-range order；Wave vector k is no longer a description motion state
Good quantum number (see the energy band of solid).
2. its electronic diffraction, neutron diffraction and X-ray diffractogram are made of wider dizzy and disperse ring；Use electronics
Microscope can't see any lining contrast of spreading out by formation such as grain boundary, crystal defects.
All it is metastable state 3. the corresponding crystalline material of the non-crystalline solids of any system is compared.When continuous warming,
In some very narrow warm area, it may occur that apparent structure change, is crystalline state from amorphous state, this crystallization process mainly takes
Certainly in the atomic diffusivity of material, interface energy and entropy of fusion (see structural relaxation).
Further include fixing bracket 4 in the alternative of the present embodiment, fixing bracket 4 is equipped with card slot；First pole shoe portion 21
It is clamped with card slot, or, the second pole shoe portion 22 is clamped with card slot.It is simple in structure, it is convenient to install and maintain.
Specifically, stator core 1 is along the circumferential direction uniformly distributed on fixing bracket 4.
In the alternative of the present embodiment, stator core 1 is in I-shaped.
In the alternative of the present embodiment, the dovetail-shape structure in section in pole shoe portion, arcuate structure, T-shaped structure, trapezoidal knot
Structure or U-shaped structure.
In the alternative of the present embodiment, the surface of pole shoe portion and teeth portion 3 is respectively coated by insulating layer.
In the alternative of the present embodiment, the section in pole shoe portion is dovetail-shape.
In the alternative of the present embodiment, stator core 1 is set as 18.
In the alternative of the present embodiment, the radial dimension in pole shoe portion uniformly increases or reduces in its circumferential direction.
In the alternative of the present embodiment, the circumferential size in pole shoe portion uniformly increases or reduces in the radial direction thereof.
In the alternative of the present embodiment, fixing bracket 4 includes upper bracket and lower bracket, and upper bracket is equipped with the first card slot,
Lower bracket is equipped with the second card slot, and the first pole shoe portion 21 and the first card slot are clamped, and the second pole shoe portion 22 and the second card slot are clamped.Structure
Simply, convenient to install and maintain.
In the alternative of the present embodiment, teeth portion 3 is equipped with winding.
In the alternative of the present embodiment, multiple pole shoe portions are along the circumferential direction mutually spliced to form cyclic structure, pole shoe from
It is arranged radially outward.
In the alternative of the present embodiment, multiple teeth portion 3 are along the circumferential direction mutually spliced to form cyclic structure, two neighboring
Gap is formed between teeth portion 3.
The alternative of the present embodiment is red, and stator core 1 includes multiple stator punchings for stacking gradually arrangement.Stator punching
The contact area of cooling medium and stator can be increased so that the heat generated in stator core 1 can be cold much sooner
But medium is taken out of, preferably to reduce the Wen Sheng of motor, improves the performance of motor.
In the alternative of the present embodiment, the radial inner end in pole shoe portion is equipped with the groove being outwardly concaved.
In the alternative of the present embodiment, groove is multiple and is spaced apart setting in the circumferential direction in pole shoe portion.
Embodiment two
The utility model embodiment two additionally provides a kind of motor, including the stator that embodiment one provides.The utility model
The stator of offer makes full use of SMC composite material high frequency eddy current losses small, the high advantage of saturation point and non-crystalline material high frequency
Under the conditions of, the small advantage of iron loss reduces loss to greatest extent under the premise of meeting automobile drive electric motor performance,
Improve the efficiency of motor.
The stator includes：Stator core 1, multiple stator cores 1 are along the circumferential direction mutually spliced to form cyclic structure；
Stator core 1 includes the first pole shoe portion 21, the second pole shoe portion 22 and teeth portion 3；
First pole shoe portion 21 and the second pole shoe portion 22 are made of SMC permeability magnetic materials, and teeth portion 3 is made of amorphous permeability magnetic material.
Further include fixing bracket 4 in the alternative of the present embodiment, fixing bracket 4 is equipped with card slot；
First pole shoe portion 21 is clamped with card slot, or, the second pole shoe portion 22 is clamped with card slot.
In the alternative of the present embodiment, stator core 1 is in I-shaped.
In the alternative of the present embodiment, the dovetail-shape structure in section in pole shoe portion, arcuate structure, T-shaped structure, trapezoidal knot
Structure or U-shaped structure.
In the alternative of the present embodiment, the radial dimension in pole shoe portion uniformly increases or reduces in its circumferential direction；
Alternatively, the circumferential size in pole shoe portion uniformly increases or reduces in the radial direction thereof.
In the alternative of the present embodiment, fixing bracket 4 includes upper bracket and lower bracket, and upper bracket is equipped with the first card slot,
Lower bracket is equipped with the second card slot, and the first pole shoe portion 21 and the first card slot are clamped, and the second pole shoe portion 22 and the second card slot are clamped.
In the alternative of the present embodiment, teeth portion 3 is equipped with winding.
In the alternative of the present embodiment, multiple pole shoe portions are along the circumferential direction mutually spliced to form cyclic structure, pole shoe from
It is arranged radially from inside to outside.
In the alternative of the present embodiment, multiple teeth portion 3 are along the circumferential direction mutually spliced to form cyclic structure, two neighboring
Gap is formed between teeth portion 3.
Wherein, the structure, operation principle and advantageous effect of stator are described in detail in the advantageous effect of stator,
Details are not described herein.Possessed advantage is identical compared with the existing technology with stator provided by the utility model for above-mentioned motor,
This is repeated no more.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should
Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments means in this practicality newly
Within the scope of type and form different embodiments.For example, in claims above, embodiment claimed
One of arbitrary mode can use in any combination.The information for being disclosed in the background technology part is merely intended to deepen
Understanding to the general background technology of the utility model, and be not construed as recognizing or implying in any form that the information is constituted
The prior art known to those skilled in the art.
Claims (10)
1. a kind of stator, which is characterized in that including：Shape is along the circumferential direction mutually spliced in stator core, multiple stator cores
Circlewise structure；
The stator core includes the first pole shoe portion, the second pole shoe portion and teeth portion；
First pole shoe portion and second pole shoe portion are made of SMC permeability magnetic materials, and the teeth portion is amorphous permeability magnetic material system
At.
2. stator according to claim 1, which is characterized in that further include fixing bracket, the fixing bracket is equipped with card
Slot；
First pole shoe portion is clamped with the card slot, or, second pole shoe portion is clamped with the card slot.
3. stator according to claim 1, which is characterized in that the stator core is in I-shaped.
4. stator according to claim 1, which is characterized in that the dovetail-shape structure in section in the pole shoe portion, arc knot
Structure, T-shaped structure, trapezium structure or U-shaped structure.
5. stator according to claim 1, which is characterized in that the radial dimension in the pole shoe portion is equal in its circumferential direction
Even increase or diminution；
Alternatively, the circumferential size in the pole shoe portion uniformly increases or reduces in the radial direction thereof.
6. stator according to claim 2, which is characterized in that the fixing bracket includes upper bracket and lower bracket, described
Upper bracket is equipped with the first card slot, and the lower bracket is equipped with the second card slot, and first pole shoe portion is clamped with first card slot, institute
The second pole shoe portion is stated to be clamped with second card slot.
7. stator according to claim 1, which is characterized in that the teeth portion is equipped with winding.
8. stator according to claim 1, which is characterized in that multiple pole shoe portions are along the circumferential direction mutually spliced to form
Cyclic structure, the pole shoe are arranged radially from inside to outside.
9. stator according to claim 1, which is characterized in that multiple teeth portion are along the circumferential direction mutually spliced to form ring
Shape structure forms gap between two neighboring teeth portion.
10. a kind of motor, which is characterized in that including claim 1-9 any one of them stators.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820519814.XU CN207968096U (en) | 2018-04-12 | 2018-04-12 | Stator and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820519814.XU CN207968096U (en) | 2018-04-12 | 2018-04-12 | Stator and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207968096U true CN207968096U (en) | 2018-10-12 |
Family
ID=63727750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820519814.XU Active CN207968096U (en) | 2018-04-12 | 2018-04-12 | Stator and motor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111756125A (en) * | 2020-05-21 | 2020-10-09 | 东南大学 | Axial magnetic motor stator |
| CN113839474A (en) * | 2020-06-24 | 2021-12-24 | 河北国创石油设备有限公司 | Stator structure of submersible linear motor |
| CN114337000A (en) * | 2021-11-03 | 2022-04-12 | 无锡川木智能装备有限公司 | A novel stator structure for improving motor efficiency |
| WO2023174483A1 (en) * | 2022-03-18 | 2023-09-21 | Schaeffler Technologies AG & Co. KG | Stator of an electric rotating machine, electric rotating machine, and geared motor unit |
-
2018
- 2018-04-12 CN CN201820519814.XU patent/CN207968096U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111756125A (en) * | 2020-05-21 | 2020-10-09 | 东南大学 | Axial magnetic motor stator |
| CN111756125B (en) * | 2020-05-21 | 2021-07-27 | 东南大学 | Axial magnetic motor stator |
| CN113839474A (en) * | 2020-06-24 | 2021-12-24 | 河北国创石油设备有限公司 | Stator structure of submersible linear motor |
| CN114337000A (en) * | 2021-11-03 | 2022-04-12 | 无锡川木智能装备有限公司 | A novel stator structure for improving motor efficiency |
| WO2023174483A1 (en) * | 2022-03-18 | 2023-09-21 | Schaeffler Technologies AG & Co. KG | Stator of an electric rotating machine, electric rotating machine, and geared motor unit |
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Address after: 321000 No. 23 Road, Jiangnan Park, Lanxi Economic Development Zone, Jinhua City, Zhejiang Province Patentee after: Zhejiang Panhu Power Technology Co., Ltd. Address before: 321000 No. 23 Road, Jiangnan Park, Lanxi Economic Development Zone, Jinhua City, Zhejiang Province Patentee before: Core drive technology (Jinhua) Co., Ltd. |