CN217282399U - Stator module and motor - Google Patents
Stator module and motor Download PDFInfo
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- CN217282399U CN217282399U CN202220464686.XU CN202220464686U CN217282399U CN 217282399 U CN217282399 U CN 217282399U CN 202220464686 U CN202220464686 U CN 202220464686U CN 217282399 U CN217282399 U CN 217282399U
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- stator
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- silicon steel
- motor
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Abstract
The utility model discloses a stator module, motor, stator module include a plurality of stator pieces, and the stator piece includes the different combination portion of two at least magnetic field orientations, and the combination portion all includes a plurality of orientation silicon steel sheets. The utility model provides a stator module's stator piece adopts split type structure, make stator piece include the different combination portion of two at least magnetic field orientations, according to the difference of magnetic field orientation, can adopt the oriented silicon steel that has of different magnetic field orientations with the combination portion of difference, compare in the non-oriented silicon steel among the prior art, the use has the oriented silicon steel can utilize stator piece magnetic material's the biggest magnetic property, make the motor obtain bigger torque under the same volume, also can reduce motor current under the same torque, thereby obtain higher efficiency, on the contrary, at the same torque, under the condition of the same efficiency, can make the volume of motor reduce, and the cost is reduced.
Description
Technical Field
The utility model relates to an electrical equipment technical field, more specifically say, relate to a stator module. Furthermore, the utility model discloses still relate to a motor including above-mentioned stator module.
Background
In the prior art, a magnetic field generated by a rotating motor periodically changes in the circumferential radial direction, and the direction of the magnetic field is not fixed, so that only non-oriented silicon steel can be adopted; the magnetic field generated by the non-oriented silicon steel is uniform in any direction, and the design of the motor does not need to consider the difference of the magnetic conductive material in each direction of the change of the magnetic field; however, due to the isotropy of the magnetic field, the magnetic properties of the magnetic conductive material cannot be utilized to the maximum extent.
In summary, how to fully utilize the magnetic performance of the stator core magnetic conductive material is a problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a stator module sets up the stator piece into split type structure to can use there is oriented silicon steel, make full use of stator piece magnetic material's the biggest magnetic property.
Another object of the utility model is to provide an electric machine including above-mentioned stator module.
In order to achieve the above object, the present invention provides the following technical solutions:
a stator assembly comprises a plurality of stator blocks, wherein each stator block comprises at least two combined parts with different magnetic field orientations, and each combined part comprises a plurality of oriented silicon steel sheets.
Optionally, the combining portion includes a stator tooth combining portion and a stator yoke combining portion, and the stator tooth combining portion is fixedly connected with the stator yoke combining portion.
Optionally, the magnetic field orientation of the stator yoke assembly is in a radial direction of the stator assembly, and the magnetic field orientation of the stator tooth assembly is perpendicular to the magnetic field orientation of the stator yoke assembly in the same stator piece.
Optionally, one of the stator tooth combination part and the stator yoke combination part is provided with a clamping part, and the other is provided with a clamping groove which is matched with the clamping part for clamping or releasing.
Optionally, the clamping portion is a protrusion disposed on one side of the stator yoke assembly portion facing the stator tooth assembly portion.
Optionally, the cross-section of the protrusion is a trapezoid with a top dimension larger than a bottom dimension.
Optionally, the number of the stator blocks is multiple, and adjacent stator blocks are in clamping fit in the circumferential direction.
An electrical machine comprising a stator assembly according to any of the preceding claims.
In the equipment the utility model provides an in-process of stator module at first needs to assemble each combination portion of stator piece, makes its combination be complete stator piece, then carries out the amalgamation with the stator piece, and then assembles to stator module.
Compared with the prior art, the utility model provides a stator module's stator piece adopts split type structure, make stator piece include the different combination portion of two at least magnetic field orientations, according to the difference of magnetic field orientation, can adopt the oriented silicon steel that has of different magnetic field orientations with the combination portion of difference, compare the non-oriented silicon steel among the prior art, the use has the oriented silicon steel can utilize stator piece magnetic material's the biggest magnetic property, make the motor obtain bigger torque under the same volume, also can reduce motor current under the same torque, thereby obtain higher efficiency, vice versa, same torque, under the condition of same efficiency, can make the volume reduction of motor, cost reduction.
Furthermore, the utility model also provides an electric machine including above-mentioned stator module.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of a stator assembly provided by the present invention;
fig. 2 is a schematic structural diagram of a specific embodiment of a stator tooth assembly according to the present invention;
fig. 3 is a schematic structural diagram of a stator yoke assembly according to an embodiment of the present invention.
In fig. 1-3:
the stator comprises a stator tooth combination part 1, a clamping groove 11, a connecting part 12, a connecting groove 13, a stator yoke combination part 2, a clamping part 21 and a stator block 3.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The core of the utility model is to provide a stator module sets up the stator piece into split type structure to can use the orientation silicon steel, make full use of stator piece magnetic material's the biggest magnetic property.
Another core of the present invention is to provide a motor including the above stator assembly.
Please refer to fig. 1-3.
This embodiment discloses a stator module, including a plurality of stator pieces 3, stator pieces 3 include the different combination portion of at least two magnetic field orientations, and the combination portion all includes a plurality of oriented silicon steel sheets.
The same stator piece 3 may include two combinations with different magnetic field orientations, or may include three or more combinations with different magnetic field orientations, which is determined according to actual situations.
When the same stator assembly comprises a plurality of stator blocks 3, all the stator blocks 3 can be made of oriented silicon steel sheets, and part of the stator blocks 3 can also be made of oriented silicon steel sheets, which is determined according to actual conditions.
The division between different combination portions in the stator block 3 may be performed according to stator tooth portions and fixed value yoke portions, or may be performed according to other forms, which is not described herein again.
In the process of assembling the stator assembly provided in this embodiment, it is first necessary to assemble each combination portion of stator piece 3 to form complete stator piece 3, and then stator piece 3 is assembled to form the stator assembly.
Compared with the prior art, stator module's stator piece 3 in this particular embodiment adopts split type structure, make stator piece 3 include the different combination portion of at least two magnetic field orientations, according to the difference of magnetic field orientation, can adopt the oriented silicon steel that has of different magnetic field orientations with the combination portion of difference, compare in the non-oriented silicon steel among the prior art, use and have the oriented silicon steel can utilize stator piece 3 magnetic conductive material's maximum magnetic property, make the motor obtain bigger torque under the same volume, also can reduce motor current under the same torque, thereby obtain higher efficiency, on the contrary, under the condition of same torque, the same efficiency, can make the volume of motor reduce, cost reduction.
In a specific embodiment, the assembly portion comprises a stator tooth assembly portion 1 and a stator yoke assembly portion 2, and the stator tooth assembly portion 1 is fixedly connected with the stator yoke assembly portion 2.
As shown in fig. 2, which is a schematic structural diagram of the stator tooth assembly 1, the magnetic field in the stator tooth assembly 1 is oriented in the direction indicated by the arrow in fig. 2, and of course, the magnetic field orientation of the stator tooth assembly 1 may also be other directions meeting the requirements, which is determined according to the actual situation.
Further, the stator tooth combination part 1 can be formed by combining a plurality of parts with different magnetic field orientations, so that the stator tooth combination part 1 comprises a plurality of split structures, and the magnetic field orientations of the split structures are different; the determination is specifically determined according to actual conditions, and details are not described herein.
As shown in fig. 3, which is a schematic structural diagram of the stator yoke assembly 2, the magnetic field in the stator yoke assembly 2 is oriented in a direction indicated by an arrow in fig. 3, and of course, the magnetic field orientation of the stator yoke assembly 2 may also be other directions meeting the requirement, which is determined according to the actual situation.
Further, the stator yoke combination part 2 may be configured to be formed by combining a plurality of parts with different magnetic field orientations, so that the stator yoke combination part 2 includes a plurality of split structures, and the plurality of split structures have different magnetic field orientations; the determination is specifically determined according to the actual situation, and details are not described herein.
In the embodiment, the stator block 3 is divided into different combination parts according to the structures of the stator teeth and the stator yoke, so that the processing and manufacturing process is simplified, the processing cost is reduced, and oriented silicon steel sheets with different magnetic field orientations can be adopted according to the different magnetic field orientations in the stator teeth and the stator yoke, so that the magnetic field orientations of all parts in the stator block 3 meet the requirements, and the maximum magnetic performance of the magnetic conductive material of the stator block 3 is utilized.
On the basis of the above-described embodiment, the magnetic field orientation of the stator yoke assembly 2 can be made to be in the radial direction of the stator assembly, and the magnetic field orientation of the stator tooth assembly 1 is perpendicular to the magnetic field orientation of the stator yoke assembly 2 in the same stator piece 3.
Of course, during the actual setting process, the magnetic field orientation in the stator tooth combination part 1 and the stator yoke combination part 2 needs to be determined according to the actual situation, and may be in other directions besides the radial direction and the direction perpendicular to the radial direction.
In a specific embodiment, one of the stator tooth assembly portion 1 and the stator yoke assembly portion 2 is provided with a clamping portion 21, the other is provided with a clamping groove 11 which is matched with the clamping portion 21 for clamping or releasing, the clamping portion 21 is a protrusion which is arranged on one side of the stator yoke assembly portion 2 facing the stator tooth assembly portion 1, and the cross section of the protrusion is a trapezoid with the size of the top side larger than that of the bottom side.
In the assembling process, the protrusion needs to be matched with the clamping groove 11 in a clamping manner, and the cross section of the protrusion is a trapezoid with the size of the top edge larger than that of the bottom edge, so that the stator yoke combined part 2 needs to be clamped into the stator tooth combined part 1 from top to bottom.
Preferably, the protrusions are symmetrically arranged about the middle section of the stator yoke assembly part 2 in the radial direction, and the shape of the protrusions can be further set to be cylindrical, arc-shaped and the like, which is determined according to actual situations and is not described herein.
The number of the protrusions can be set to one or more, and is determined according to actual conditions, which is not described herein.
The cross section of the protrusion is set to be trapezoidal with the size of the top side larger than that of the bottom side, as shown in fig. 3, so that the stator tooth combination part 1 and the stator yoke combination part 2 can be combined more firmly, and the stator yoke combination part 2 is prevented from falling off from the stator tooth combination part 1.
In a specific embodiment, the number of the stator blocks 3 is multiple, and adjacent stator blocks 3 are in snap fit in the circumferential direction, as shown in fig. 2, the stator tooth combining part 1 is provided with a connecting part 12 and a connecting groove 13 on two circumferential sides respectively, and in the assembling process of the stator blocks 3, as shown in fig. 1, the adjacent stator blocks 3 are in snap fit through the connecting part 12 and the connecting groove 13, so that the stator blocks 3 are combined into a stator assembly; the connection mode between adjacent stator pieces 3 in this embodiment can make the assembly process of stator assembly more convenient to improve the splicing reliability.
Of course, adjacent stator pieces 3 can be connected by welding or other connection methods, which is determined according to actual conditions.
In addition to the stator assembly, the present invention further provides a motor including the stator assembly disclosed in the above embodiments, and the structure of other parts of the motor refers to the prior art, which is not repeated herein.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The utility model provides an arbitrary compound mode of all embodiments all is in this utility model's a protection scope, does not do here and gives unnecessary details.
It is right above the utility model provides a stator module, motor have carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (6)
1. The stator assembly is characterized by comprising a plurality of stator blocks (3), wherein each stator block (3) comprises at least two combined parts with different magnetic field orientations, and each combined part comprises a plurality of oriented silicon steel sheets;
the combined part comprises a stator tooth combined part (1) and a stator yoke combined part (2), and the stator tooth combined part (1) is fixedly connected with the stator yoke combined part (2);
the magnetic field orientation of the stator yoke combination part (2) is along the radial direction of the stator assembly, and the magnetic field orientation of the stator tooth combination part (1) is perpendicular to the magnetic field orientation of the stator yoke combination part (2) in the same stator block (3).
2. The stator assembly according to claim 1, wherein one of the stator tooth assembly portion (1) and the stator yoke assembly portion (2) is provided with a clamping portion (21), and the other is provided with a clamping groove (11) which is matched with the clamping portion (21) to be clamped or released.
3. The stator assembly according to claim 2, characterized in that the seizing portion (21) is a protrusion provided in the stator yoke assembly portion (2) towards the stator tooth assembly portion (1).
4. The stator assembly of claim 3 wherein the lobes have a trapezoidal cross-section with a top dimension greater than a bottom dimension.
5. Stator assembly according to any of claims 1 to 4, characterized in that the number of stator pieces (3) is multiple and adjacent stator pieces (3) are snap-fitted in circumferential direction.
6. An electrical machine comprising a stator assembly according to any of claims 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220464686.XU CN217282399U (en) | 2022-03-03 | 2022-03-03 | Stator module and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220464686.XU CN217282399U (en) | 2022-03-03 | 2022-03-03 | Stator module and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217282399U true CN217282399U (en) | 2022-08-23 |
Family
ID=82858288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220464686.XU Active CN217282399U (en) | 2022-03-03 | 2022-03-03 | Stator module and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217282399U (en) |
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2022
- 2022-03-03 CN CN202220464686.XU patent/CN217282399U/en active Active
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