CN220234290U - Fractional slot concentrated winding modularized stator structure - Google Patents
Fractional slot concentrated winding modularized stator structure Download PDFInfo
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- CN220234290U CN220234290U CN202321329932.1U CN202321329932U CN220234290U CN 220234290 U CN220234290 U CN 220234290U CN 202321329932 U CN202321329932 U CN 202321329932U CN 220234290 U CN220234290 U CN 220234290U
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- 238000004804 winding Methods 0.000 title claims abstract description 37
- 230000017525 heat dissipation Effects 0.000 claims abstract description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052742 iron Inorganic materials 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a fractional slot concentrated winding modularized stator structure, which comprises a plurality of stator core modules, wherein each stator core module comprises stator armature teeth and stator radiating teeth, each stator armature tooth is used for winding a stator winding, and each stator radiating tooth is used for radiating the stator winding; according to the fractional slot concentrated winding modularized stator structure, a modularized structural form is adopted, one stator structure is composed of a plurality of stator core modules, low-order long magnetic circuit harmonic waves are blocked by gaps between two adjacent stator core modules, so that stator iron loss is reduced, meanwhile, stator heat dissipation teeth are added in the stator core modules to enhance winding heat dissipation capacity, and the stator structure with high efficiency and high power density during high-speed operation of a motor is achieved.
Description
Technical Field
The utility model relates to the technical field of motor positioning structures, in particular to a fractional slot concentrated winding modularized stator structure.
Background
In the existing motor stator structure, the stator is of a whole iron core structure, so that the fractional slot concentrated winding motor is large in low-order harmonic content, the iron loss of the motor is increased during high-speed operation, and the motor is overlarge in temperature rise, low in efficiency and low in power density due to poor winding heat dissipation capability.
It should be noted that the foregoing description of the background art is only for the purpose of providing a clear and complete description of the technical solution of the present utility model and is presented for the convenience of understanding by those skilled in the art. The above-described solutions are not considered to be known to the person skilled in the art simply because they are set forth in the background of the utility model section.
Disclosure of Invention
In order to overcome the above disadvantages, the present utility model aims to provide a fractional slot concentrated winding modularized stator structure, so as to effectively solve the above technical problems.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a fractional slot concentrated winding modularization stator structure, the stator structure includes a plurality of stator core module, the stator core module includes stator armature tooth and stator heat dissipation tooth, the stator armature tooth is used for coiling stator winding, stator heat dissipation tooth is used for stator winding's heat dissipation.
The beneficial effects of the utility model are as follows: according to the fractional slot concentrated winding modularized stator structure, a modularized structural form is adopted, one stator structure is composed of a plurality of stator core modules, low-order long magnetic circuit harmonic waves are blocked by gaps between two adjacent stator core modules, so that stator iron loss is reduced, meanwhile, stator heat dissipation teeth are added in the stator core modules to enhance winding heat dissipation capacity, and the stator structure with high efficiency and high power density during high-speed operation of a motor is achieved.
Further, a stator groove is formed between two adjacent stator armature teeth, and the stator heat dissipation teeth are arranged in the stator groove; the stator winding is wound on the stator armature teeth, and the stator heat dissipation teeth positioned in the positioning grooves are positioned on the side surfaces of the stator winding.
Further, protrusions are arranged on two sides of the head of each stator armature tooth, and the lengths of the protrusions of the head of each stator armature tooth are unequal, so that the widths of the notch of each stator groove are unequal; the structure design that the protruding length of each stator armature tooth head is unequal is adopted, so that the width of each notch is different in structure, the wire embedding is convenient, and the cogging torque is reduced.
Further, the stator core module further comprises a positioning yoke part, and a positioning clamping block is arranged on the side surface of the positioning yoke part; the stator needs fixed mounting on the support frame when the motor is assembled, so set up the location fixture block in the location yoke portion side of every stator core module, the location fixture block corresponds with the draw-in groove on the support frame, can realize the quick installation of stator.
Further, the stator core module is a first stator core module which is integrally three M-shaped, the first stator core module comprises three first stator armature teeth and four first stator radiating teeth, and simultaneously, a stator structure is composed of four first stator core modules.
Further, the stator core module is a second stator core module which is integrally formed by double M-shaped, the second stator core module comprises three second stator armature teeth and two second stator radiating teeth, and meanwhile, one stator structure is formed by four second stator core modules.
Further, the stator core module is a third stator core module which is integrally M-shaped, and the third stator core module comprises a third stator armature tooth and two third stator radiating teeth, and meanwhile, a stator structure is composed of twelve third stator core modules.
Drawings
Fig. 1 is a schematic diagram of an overall structure of a stator according to an embodiment of the present utility model.
Fig. 2 is a schematic diagram of the overall structure of a stator according to a second embodiment of the present utility model.
FIG. 3 is a schematic diagram of the overall structure of a tri-stator according to an embodiment of the present utility model.
In the figure: 1. a first stator core module; 2. a second stator core module; 3. a third stator core module;
1A, first stator armature teeth; 1B, first stator radiating teeth;
2A, second stator armature teeth; 2B, second stator heat dissipation teeth;
3A, third stator armature teeth; 3B, third stator radiating teeth;
100. positioning a yoke; 200. a stator groove; 300. a protrusion.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
Please refer to fig. 1-3. It should be noted that, in the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or directions or positional relationships in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and for simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. The terms "horizontal," "vertical," "overhang," and the like do not denote that the component is required to be absolutely horizontal or overhang, but may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or communicating between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The utility model discloses a fractional slot concentrated winding modularization stator structure, stator structure includes a plurality of stator core module, stator core module includes stator armature tooth and stator heat dissipation tooth, stator armature tooth is used for winding stator winding, stator heat dissipation tooth is used for stator winding's heat dissipation.
Based on the above, the present solution provides three embodiments, specifically as follows:
embodiment one:
as shown in fig. 1, the stator core module is a first stator core module 1 that is integrally formed in a three-M shape, and the first stator core module 1 includes three first stator armature teeth 1A and four first stator heat dissipation teeth 1B, and at the same time, a stator structure is formed by four first stator core modules 1.
On the basis of the above embodiment, specifically, a stator slot 200 is formed between two adjacent stator teeth, and the stator heat dissipation teeth are disposed in the stator slot 200.
The stator winding is wound on the stator armature teeth, and the stator heat dissipation teeth positioned in the positioning grooves are positioned on the side surfaces of the stator winding.
On the basis of the above embodiment, it is preferable that the protrusions 300 are provided at both sides of the stator teeth head, and the length of the protrusion 300 of each stator teeth head is not equal, so that the width of the notch of each stator slot 200 is not equal.
The structural design that the length of the protrusions 300 of the head part of each stator armature tooth is unequal is adopted, so that the width of each notch is of an unequal structure, thereby facilitating wire embedding and reducing cogging torque.
On the basis of the above embodiment, specifically, the stator core module further includes a positioning yoke 100, and a positioning fixture block is provided on a side surface of the positioning yoke 100.
The stator needs fixed mounting on the support frame when the motor is assembled, so the side face of the positioning yoke part 100 of each stator core module is provided with a positioning clamping block, and the positioning clamping block corresponds to a clamping groove on the support frame, so that the stator can be rapidly mounted.
Embodiment two:
as shown in fig. 2, the stator core module is a second stator core module 2 that is integrally formed as a double M shape, and the second stator core module 2 includes three second stator armature teeth 2A and two second stator heat dissipation teeth 2B, and at the same time, a stator structure is formed by four second stator core modules 2.
On the basis of the above embodiment, specifically, a stator slot 200 is formed between two adjacent stator teeth, and the stator heat dissipation teeth are disposed in the stator slot 200.
On the basis of the above embodiment, it is preferable that the protrusions 300 are provided at both sides of the stator teeth head, and the length of the protrusion 300 of each stator teeth head is not equal, so that the width of the notch of each stator slot 200 is not equal.
On the basis of the above embodiment, specifically, the stator core module further includes a positioning yoke 100, and a positioning fixture block is provided on a side surface of the positioning yoke 100.
Embodiment III:
as shown in fig. 3, the stator core module is a third stator core module 3 that is integrally M-shaped, and the third stator core module 3 includes one third stator armature tooth 3A and two third stator heat dissipation teeth 3B, and simultaneously, one stator structure is composed of twelve third stator core modules 3.
On the basis of the above embodiment, specifically, a stator slot 200 is formed between two adjacent stator teeth, and the stator heat dissipation teeth are disposed in the stator slot 200.
On the basis of the above embodiment, it is preferable that the protrusions 300 are provided at both sides of the stator teeth head, and the length of the protrusion 300 of each stator teeth head is not equal, so that the width of the notch of each stator slot 200 is not equal.
On the basis of the above embodiment, specifically, the stator core module further includes a positioning yoke 100, and a positioning fixture block is provided on a side surface of the positioning yoke 100.
The three embodiments have the same beneficial effects, and specifically: according to the fractional slot concentrated winding modularized stator structure, a modularized structural form is adopted, one stator structure is composed of a plurality of stator core modules, low-order long magnetic circuit harmonic waves are blocked by gaps between two adjacent stator core modules, so that stator iron loss is reduced, meanwhile, stator heat dissipation teeth are added in the stator core modules to enhance winding heat dissipation capacity, and the stator structure with high efficiency and high power density during high-speed operation of a motor is achieved.
The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the content of the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.
Claims (7)
1. A fractional slot concentrated winding modularized stator structure is characterized in that: the stator structure comprises a plurality of stator core modules, each stator core module comprises stator armature teeth and stator radiating teeth, each stator armature tooth is used for winding a stator winding, and each stator radiating tooth is used for radiating heat of the stator winding.
2. The fractional-slot concentrated winding modular stator structure of claim 1, wherein: a stator groove is formed between two adjacent stator armature teeth, and the stator heat dissipation teeth are arranged in the stator groove.
3. The fractional-slot concentrated winding modular stator structure of claim 2, wherein: protrusions are arranged on two sides of the head of each stator armature tooth, and the lengths of the protrusions of the head of each stator armature tooth are unequal, so that the widths of the notch of each stator groove are unequal.
4. The fractional-slot concentrated winding modular stator structure of claim 1, wherein: the stator core module further comprises a positioning yoke portion, and a positioning clamping block is arranged on the side surface of the positioning yoke portion.
5. The fractional-slot concentrated winding modular stator structure of any of claims 1-4, wherein: the stator core module is a first stator core module which is integrally three M-shaped, and the first stator core module
The stator comprises three first stator armature teeth and four first stator radiating teeth, and simultaneously, a stator structure is composed of four first stator iron core modules.
6. The fractional-slot concentrated winding modular stator structure of any of claims 1-4, wherein: the stator core module is a second stator core module which is integrally double-M-shaped, the second stator core module comprises three second stator armature teeth and two second stator radiating teeth, and meanwhile, one stator structure is composed of four second stator core modules.
7. The fractional-slot concentrated winding modular stator structure of any of claims 1-4, wherein: the stator core module is a third stator core module which is integrally M-shaped, the third stator core module comprises a third stator armature tooth and two third stator radiating teeth, and meanwhile, a stator structure is composed of twelve third stator core modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321329932.1U CN220234290U (en) | 2023-05-29 | 2023-05-29 | Fractional slot concentrated winding modularized stator structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321329932.1U CN220234290U (en) | 2023-05-29 | 2023-05-29 | Fractional slot concentrated winding modularized stator structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220234290U true CN220234290U (en) | 2023-12-22 |
Family
ID=89194350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321329932.1U Active CN220234290U (en) | 2023-05-29 | 2023-05-29 | Fractional slot concentrated winding modularized stator structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220234290U (en) |
-
2023
- 2023-05-29 CN CN202321329932.1U patent/CN220234290U/en active Active
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