CN208939678U - A kind of novel permanent-magnet motor stator structure - Google Patents
A kind of novel permanent-magnet motor stator structure Download PDFInfo
- Publication number
- CN208939678U CN208939678U CN201821431902.0U CN201821431902U CN208939678U CN 208939678 U CN208939678 U CN 208939678U CN 201821431902 U CN201821431902 U CN 201821431902U CN 208939678 U CN208939678 U CN 208939678U
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- stator
- motor
- tooth
- slot
- stator slot
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Abstract
The utility model provides a kind of novel permanent-magnet motor stator structure, belongs to electric machine structure technical field, and stator body includes stator slot, stator tooth and ventilation hole；The stator slot is alternately distributed with stator tooth, technical points are: stator slot is alternately arranged by two peariform slots of different sizes, the two neighboring cell wall of two neighboring stator slot is parallel to each other, number of stator slots is even number, facilitate technique offline, it is capable of forming parallel teeth, motor-field is made to be evenly distributed, prevents magnetic field saturation from causing motor hot-spot；The tooth tip of stator tooth is anisopleual structure, weakens the tooth tip unbalanced stresses generated by the distortion of field, reduces vibration and the noise of motor, is conducive to motor stabilizing operation；Ventilation hole is equilateral triangle, and circumferentially on the outside of stator slot, wherein a vertical line is overlapped equilateral triangle with center line where stator tooth, guides air guided flowing, is conducive to motor radiating cooling, reduces stator weight, improve the power density of motor.
Description
Technical field
The utility model relates to a kind of novel permanent-magnet motor stator structures, belong to electric machine structure technical field.
Background technique
Magneto is widely used in each due to the advantages that small in size, structure is simple, high-efficient and stable
Kind occasion.Conventional permanent magnet motor stator slot generally selects peariform slot, however the special shape of peariform slot leads to motor stator tooth not
In parallel, to make magnetic flux density is uneven along teeth portion distribution of lengths, motor magnetic circuit is local to be saturated.Furthermore with magneto revolving speed
Raising, stator heat dissipation area reduce, motor oscillating and noise are obvious, seriously affect the stable operation of motor.
Summary of the invention
The utility model is intended to provide a kind of novel permanent-magnet motor stator structure, to solve existing peariform slot magneto magnetic
Flux density is uneven along teeth portion directional spreding, the supersaturation of magnetic circuit part, the challenges such as heat dissipation difficulty.
In order to achieve the above objectives the technical scheme adopted by the utility model is stator body includes stator slot, stator tooth
And ventilation hole；The stator slot is alternately arranged by two peariform slots of different sizes, two neighboring stator slot it is adjacent
Two cell walls are parallel to each other, and number of stator slots is even number, and the tooth tip of the stator tooth is anisopleual structure, the ventilation
Hole is equilateral triangle, circumferentially on the outside of stator slot, equilateral triangle wherein center where vertical line and stator tooth
Line is overlapped.
In above-mentioned technical proposal, the stator slot is alternately arranged by two peariform slots of different sizes, and adjacent two
The two neighboring cell wall of a stator slot is parallel to each other, and number of stator slots is even number.
In above-mentioned technical proposal, the tooth tip of the stator tooth is anisopleual structure.
In above-mentioned technical proposal, the ventilation hole is equilateral triangle, circumferentially on the outside of stator slot, equilateral three
An angular wherein vertical line is overlapped with center line where stator tooth.
By using above-mentioned technical proposal, provided beneficial effect is: stator slot is by two peariform slots of different sizes
It is alternately arranged, the two neighboring cell wall of two neighboring stator slot is parallel to each other, and number of stator slots is even number, facilitates under technique
Line is capable of forming parallel teeth, and motor-field is made to be evenly distributed, and prevents magnetic field saturation from causing motor hot-spot；The tooth of stator tooth
Point is anisopleual structure, weakens the tooth tip unbalanced stresses generated by the distortion of field, reduces the vibration of motor and make an uproar
Sound is conducive to motor stabilizing operation；Ventilation hole is equilateral triangle, circumferentially on the outside of stator slot, equilateral triangle its
In center line where a vertical line and stator tooth is overlapped, guide air guided flowing, improve air velocity, it is scattered to be conducive to motor
Heat is cooling, reduces stator weight, improves the power density of motor.
Detailed description of the invention
Attached drawing 1 is a kind of structural schematic diagram of novel permanent-magnet motor stator structure of the utility model；
In figure: 1, stator slot A, 2, stator slot B, 3, stator tooth, 4, ventilation hole, 5, stator tooth tip, 6, stator cell wall.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, utility model is further described.
Referring to Figure of description 1, a kind of novel permanent-magnet motor stator structure, stator body include stator slot, stator tooth and
Ventilation hole；The stator slot is alternately arranged by two peariform slots of different sizes, and adjacent the two of two neighboring stator slot
A cell wall is parallel to each other, and number of stator slots is even number, and the tooth tip of the stator tooth is anisopleual structure, the ventilation hole
For equilateral triangle, circumferentially on the outside of stator slot, equilateral triangle wherein center line where a vertical line and stator tooth
It is overlapped.
The stator slot is alternately arranged by two peariform slots of different sizes, and adjacent the two of two neighboring stator slot
A cell wall is parallel to each other, and number of stator slots is even number.
The tooth tip of the stator tooth is anisopleual structure.
The ventilation hole is equilateral triangle, and circumferentially on the outside of stator slot, equilateral triangle wherein hangs down for one
Line is overlapped with center line where stator tooth.
Provided to have the advantages that by using above-mentioned technical proposal: stator slot is by two pyriforms of different sizes
Slot is alternately arranged, and the two neighboring cell wall of two neighboring stator slot is parallel to each other, and number of stator slots is even number, is facilitated under technique
Line is capable of forming parallel teeth, and motor-field is made to be evenly distributed, and prevents magnetic field saturation from causing motor hot-spot；The tooth of stator tooth
Point is anisopleual structure, weakens the tooth tip unbalanced stresses generated by the distortion of field, reduces the vibration of motor and make an uproar
Sound is conducive to motor stabilizing operation；Ventilation hole is equilateral triangle, circumferentially on the outside of stator slot, equilateral triangle its
In center line where a vertical line and stator tooth is overlapped, guide air guided flowing, improve air velocity, it is scattered to be conducive to motor
Heat is cooling, reduces stator weight, improves the power density of motor.
Stator body includes stator slot, stator tooth and ventilation hole, and stator slot is alternately arranged by two peariform slots of different sizes
It arranges, the two neighboring cell wall of two neighboring stator slot is parallel to each other, and number of stator slots is even number, facilitates technique offline, can
Parallel teeth is formed, motor-field is made to be evenly distributed, prevents magnetic field saturation from causing motor hot-spot；The tooth tip of stator tooth is two sides
Dissymmetrical structure weakens the tooth tip unbalanced stresses generated by the distortion of field, reduces vibration and the noise of motor, be conducive to
Motor stabilizing operation；Ventilation hole is equilateral triangle, circumferentially on the outside of stator slot, an equilateral triangle wherein vertical line
It is overlapped with center line where stator tooth, guides air guided flowing, improve air velocity, be conducive to motor radiating cooling, drop
Low stator weight, improves the power density of motor.
This embodiment is just an exemplary description of this patent, does not limit its protection scope, those skilled in the art
Member can also be changed its part, as long as it does not exceed the essence of this patent, within the protection scope of the present patent.
Claims (1)
1. a kind of novel permanent-magnet motor stator structure, which is characterized in that stator body includes stator slot, stator tooth and ventilation hole；
The stator slot is alternately arranged by two peariform slots of different sizes, the two neighboring cell wall phase of two neighboring stator slot
Mutually parallel, number of stator slots is even number, and the tooth tip of the stator tooth is anisopleual structure, and the ventilation hole is equilateral three
Angular, circumferentially on the outside of stator slot, wherein a vertical line is overlapped equilateral triangle with center line where stator tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821431902.0U CN208939678U (en) | 2018-09-03 | 2018-09-03 | A kind of novel permanent-magnet motor stator structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821431902.0U CN208939678U (en) | 2018-09-03 | 2018-09-03 | A kind of novel permanent-magnet motor stator structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208939678U true CN208939678U (en) | 2019-06-04 |
Family
ID=66719618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821431902.0U Expired - Fee Related CN208939678U (en) | 2018-09-03 | 2018-09-03 | A kind of novel permanent-magnet motor stator structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208939678U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11411448B2 (en) | 2019-09-03 | 2022-08-09 | Hamilton Sundstrand Corporation | Motor stator core design with integral cooling duct within teeth |
-
2018
- 2018-09-03 CN CN201821431902.0U patent/CN208939678U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11411448B2 (en) | 2019-09-03 | 2022-08-09 | Hamilton Sundstrand Corporation | Motor stator core design with integral cooling duct within teeth |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190604 Termination date: 20190903 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |