CN212726588U - Magnetic conductive sheet, motor and cooling fan - Google Patents
Magnetic conductive sheet, motor and cooling fan Download PDFInfo
- Publication number
- CN212726588U CN212726588U CN202021962157.XU CN202021962157U CN212726588U CN 212726588 U CN212726588 U CN 212726588U CN 202021962157 U CN202021962157 U CN 202021962157U CN 212726588 U CN212726588 U CN 212726588U
- Authority
- CN
- China
- Prior art keywords
- conductive sheet
- included angle
- magnetic
- magnetic conductive
- pole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a magnetic conductive sheet, a motor and a cooling fan, wherein the magnetic conductive sheet comprises an annular part; the magnetic pole parts are uniformly arranged on the outer periphery of the annular part and comprise winding parts matched with the annular part and wire blocking parts arranged at the outer end parts of the winding parts; the ratio alpha of the pole width included angle A of the magnetic conductive sheet to the two-stage included angle B is 0.7-0.88, wherein the pole width included angle A is an included angle formed by two ends of the wire blocking portion and the circle center of the annular portion, the two-pole included angle B is 360 degrees/n, and n is the number of the magnetic pole portions. The utility model provides a magnetic conduction piece defines the magnetic conduction piece size through the extremely wide contained angle A of definition magnetic conduction piece and the ratio of two-stage contained angle B for total magnetic induction area maximize, with the maximum efficiency of performance motor.
Description
Technical Field
The utility model belongs to the magnetic conduction piece field, concretely relates to magnetic conduction piece, motor and radiator fan.
Background
The existing electronic information industry has higher requirements on the performance of the motor, in order to pursue the maximum performance of the motor, and under the condition of meeting the winding conditions of the manufacturing process, the extremely wide size of each pole needs to be optimized and enlarged so as to increase the magnetic induction area of the magnetic conductive sheet and obtain higher motor performance to meet the requirements of the industry on the performance.
Therefore, in order to solve the above technical problems, it is necessary to provide a magnetic conductive sheet.
SUMMERY OF THE UTILITY MODEL
In view of this, an object of the present invention is to provide a magnetic conductive sheet to maximize the magnetic induction area.
In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:
a magnetically permeable sheet, the magnetically permeable sheet comprising:
an annular portion;
the magnetic pole parts are uniformly arranged on the outer periphery of the annular part and comprise winding parts matched with the annular part and wire blocking parts arranged at the outer end parts of the winding parts;
the ratio alpha of the pole width included angle A of the magnetic conductive sheet to the two-stage included angle B is 0.7-0.88, wherein the pole width included angle A is an included angle formed by two ends of the wire blocking portion and the circle center of the annular portion, the two-pole included angle B is 360 degrees/n, and n is the number of the magnetic pole portions.
In one embodiment, a ratio α of the polar width angle a to the two-stage angle B is 0.84 to 0.87.
In one embodiment, the outer diameter d of the magnetic conductive sheet is 5-9.8 mm.
In one embodiment, the width of the winding part is 1.5 mm-3.4 mm.
In one embodiment, the winding process D of the magnetic conductive sheet is greater than or equal to 0.6mm, and the winding process D is the minimum distance between adjacent wire blocking portions.
In one embodiment, the number n of the magnetic pole portions is 4 to 9.
The utility model discloses another embodiment provides a technical scheme as follows:
a motor comprises a rotor and a stator, wherein the stator comprises a plurality of magnetic conductive sheets.
The utility model discloses another embodiment provides a technical scheme as follows:
a fan comprises fan blades and a motor for mounting the fan blades.
Compared with the prior art, the utility model has the advantages of it is following:
the utility model provides a magnetic conduction piece defines the magnetic conduction piece size through the extremely wide contained angle A of definition magnetic conduction piece and the ratio of two-stage contained angle B for total magnetic induction area maximize, with the maximum efficiency of performance motor.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural view of a magnetic conductive sheet according to an embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. However, the present invention is not limited to the embodiments, and the structural, method, or functional changes made by those skilled in the art according to the embodiments are all included in the scope of the present invention.
The utility model discloses a magnetic conductive sheet, include:
an annular portion;
the magnetic pole parts are uniformly arranged on the outer periphery of the annular part and comprise winding parts matched with the annular part and wire blocking parts arranged at the outer end parts of the winding parts;
the ratio alpha of the pole width included angle A of the magnetic conductive sheet to the two-stage included angle B is 0.7-0.88, wherein the angle of the pole width included angle A is the included angle formed by the two ends of the wire blocking part and the circle center of the annular part, the included angle B of the two poles is 360 degrees/n, and n is the number of the magnetic pole parts. The inventor finds that when the alpha is 0.7-0.88, the total magnetic induction area (the sum of the magnetic induction areas of all the magnetic pole parts) of the magnetic conductive sheet can be maximized under the condition of ensuring that the winding process is satisfied.
The present invention will be further described with reference to the following specific examples.
Referring to fig. 1, a magnetic conductive sheet includes an annular portion 1 and a plurality of magnetic pole portions 2 uniformly installed on an outer periphery of the annular portion 1, where the magnetic pole portions 2 include a winding portion 21 installed in cooperation with the annular portion 1 and a wire blocking portion 22 disposed at an outer end of the winding portion 21.
In this embodiment, the outer diameter D of the magnetic conductive sheet is 5 to 9.8mm, the width of the winding portion 21 is 1.5 to 3.4mm, the winding process D of the magnetic conductive sheet is greater than or equal to 0.6mm, the winding process D is the minimum distance between adjacent wire blocking portions 22, and the minimum distance between adjacent wire blocking portions 22 is satisfied to ensure that the winding device can enter between two adjacent winding portions 21 for winding.
In this embodiment, a ratio α of a pole width included angle a of the magnetic conductive sheet to a two-stage included angle B is 0.7 to 0.88, so that the magnetic pole portion obtains a maximum magnetic induction area, preferably, the ratio α of the pole width included angle a to the two-stage included angle B is 0.84 to 0.87, where an angle of the pole width included angle a is a size of an included angle formed between two ends of the line blocking portion 22 and a center of the ring portion 1, a two-pole included angle B is 360 °/n, n is the number of the magnetic pole portions 2, the number n of the magnetic pole portions 2 is 4 to 9, n generally selected is 4 or 6 or 9, and in this embodiment, the number of the magnetic pole portions 2 is 6.
Under the condition that the outer diameter D of the magnetic conductive sheet is 9.8mm and the two-stage included angle B is 60 degrees, the size of the extremely wide included angle A is adjusted, the winding process D and the total magnetic induction area of the magnetic conductive sheet are respectively measured, and the measurement results are as follows:
it can be seen from the above data that when the range of α is 0.7-0.88, the winding process D is not less than 0.6mm (ensuring that the winding device can normally wind on the winding portion 21), and the total magnetic induction area is maximized.
The utility model also discloses a motor, including rotor and stator, this stator includes foretell a plurality of magnetic conduction pieces.
The utility model also discloses a fan, including the flabellum and be used for installing the foretell motor of flabellum.
According to the technical scheme provided by the utility model, the utility model discloses following beneficial effect has:
the utility model provides a magnetic conduction piece defines the magnetic conduction piece size through the extremely wide contained angle A of definition magnetic conduction piece and the ratio of two-stage contained angle B for total magnetic induction area maximize, with the maximum efficiency of performance motor.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A magnetic conductive sheet, characterized in that, magnetic conductive sheet includes:
an annular portion;
the magnetic pole parts are uniformly arranged on the outer periphery of the annular part and comprise winding parts matched with the annular part and wire blocking parts arranged at the outer end parts of the winding parts;
the ratio alpha of the pole width included angle A of the magnetic conductive sheet to the two-stage included angle B is 0.7-0.88, wherein the pole width included angle A is an included angle formed by two ends of the wire blocking portion and the circle center of the annular portion, the two-pole included angle B is 360 degrees/n, and n is the number of the magnetic pole portions.
2. The magnetic conductive sheet according to claim 1, wherein a ratio α of the polar width included angle A to the two-stage included angle B is 0.84 to 0.87.
3. The magnetic conductive sheet according to claim 1, wherein the outer diameter d of the magnetic conductive sheet is 5-9.8 mm.
4. The magnetic conductive sheet according to claim 1, wherein the width of the winding portion is 1.5mm to 3.4 mm.
5. The magnetic conductive sheet according to claim 1, wherein a winding process D of the magnetic conductive sheet is greater than or equal to 0.6mm, and the winding process D is a minimum distance between adjacent gear portions.
6. A magnetic conductive sheet according to claim 1, wherein the number n of the magnetic pole portions is 4-9.
7. A motor comprising a rotor and a stator, said stator comprising a plurality of magnetically permeable segments according to any one of claims 1 to 6.
8. A fan comprising fan blades and a motor according to claim 7 for mounting the fan blades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021962157.XU CN212726588U (en) | 2020-09-09 | 2020-09-09 | Magnetic conductive sheet, motor and cooling fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021962157.XU CN212726588U (en) | 2020-09-09 | 2020-09-09 | Magnetic conductive sheet, motor and cooling fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212726588U true CN212726588U (en) | 2021-03-16 |
Family
ID=74925615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021962157.XU Active CN212726588U (en) | 2020-09-09 | 2020-09-09 | Magnetic conductive sheet, motor and cooling fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212726588U (en) |
-
2020
- 2020-09-09 CN CN202021962157.XU patent/CN212726588U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207743774U (en) | A kind of stator punching | |
| CN210490566U (en) | Stator punching sheet with large and small slots, wherein the number of slots of each pole and each phase is 7 | |
| CN105471132A (en) | Permanent magnetic pole for motor, and motor comprising the permanent magnetic pole | |
| CN212726588U (en) | Magnetic conductive sheet, motor and cooling fan | |
| CN210985755U (en) | Stator punching sheet with large and small slots, each pole and each phase of slots of 8 | |
| CN210092980U (en) | Stator punching sheet with large and small slots, wherein the number of slots of each pole and each phase is 9 | |
| CN210985754U (en) | Stator punching sheet with large and small slots | |
| CN110429734B (en) | Rotor subassembly, motor, compressor | |
| CN215071833U (en) | Stator punching sheet, motor and compressor | |
| CN205945276U (en) | Low wind speed type double -fed asynchronous wind power generator | |
| CN217720847U (en) | Fan that radiating efficiency is high | |
| CN216312868U (en) | Radial displacement adjusting assembly adopting hybrid excitation | |
| CN211151642U (en) | External exposure type stator with multi-straight-hole air cooling structure | |
| CN220382825U (en) | Stator core with inner and outer heat dissipation channels | |
| CN213331590U (en) | Radiator fan convenient to manufacture and assemble | |
| CN219779868U (en) | High efficiency motor stator punching | |
| CN205260384U (en) | Fan | |
| CN218030776U (en) | Wing-shaped fan blade | |
| CN215980007U (en) | Squirrel-cage cooling fan | |
| CN216721033U (en) | Stator for motor | |
| CN110336401A (en) | Stator module, motor, compressor and air conditioner | |
| CN104037963B (en) | Rotor punching and motor | |
| CN219801990U (en) | Stator punching sheet, stator and motor | |
| CN212407120U (en) | Impeller structure and cooling fan with same | |
| CN214380365U (en) | Novel high-efficiency motor winding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |