CN215378588U - Motor stator and axial flux motor - Google Patents
Motor stator and axial flux motor Download PDFInfo
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- CN215378588U CN215378588U CN202121287663.8U CN202121287663U CN215378588U CN 215378588 U CN215378588 U CN 215378588U CN 202121287663 U CN202121287663 U CN 202121287663U CN 215378588 U CN215378588 U CN 215378588U
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- side wall
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- wall block
- connecting rod
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- 230000004907 flux Effects 0.000 title claims abstract description 12
- 238000004804 winding Methods 0.000 claims abstract description 97
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 21
- 230000017525 heat dissipation Effects 0.000 claims abstract description 16
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Abstract
The utility model relates to a motor stator and an axial flux motor, which comprise a winding support, a plurality of stator winding modules, a side wall block and a connecting rod, wherein the plurality of stator winding modules are arranged on the outer side of the winding support in a surrounding manner, each stator winding module comprises an iron core and a winding, the winding is arranged on an iron core main body in a surrounding manner, the side wall block is arranged on the outer ring side of the winding, a plurality of radiating fins are uniformly distributed on the outer ring surface of the side wall block, the radiating fins can radiate heat generated during the operation of the winding, and the connecting rod penetrates through a first through hole arranged on a pole shoe and a second through hole arranged on the side wall block to circumferentially fix the plurality of stator winding modules and the side wall block on the outer wall of the winding support. The utility model adopts a modular design, the plurality of stator winding modules are arranged on the winding support in a surrounding way through the connecting rod, and the heat generated when the motor works is dissipated through the heat dissipation fins which are uniformly distributed at the outer side of the side arm block, thereby being beneficial to improving the heat dissipation efficiency and having the advantages of simplicity, practicability, strong operability and the like.
Description
Technical Field
The utility model belongs to the technical field of motors, and particularly relates to a motor stator and an axial flux motor.
Background
The motor is a device for converting electric energy into mechanical energy, and mainly comprises a stator, a rotor, a shell, an end cover and the like, wherein the stator of the motor is an important component of the motor. The stator core and the rotor core, and the air gaps between the stator and the rotor form a complete magnetic circuit of the motor, and the structure and the arrangement of the stator are related to the overall performance of the motor.
In the prior art, an axial flux motor stator is generally assembled by using a hollow disc with an integrated structure as an outer ring, and the stator is in interference fit with the hollow disc. When the motor is used, the motor can generate a large amount of heat, after the heat reaches a certain degree, the motor cannot be used, otherwise, insulation breakdown can occur, and the motor is burnt out. The existing heat dissipation is carried out through the heat dissipation capacity of the motor, but the heat dissipation effect is poor, and heat generated by the motor cannot be transferred out.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems of difficult heat dissipation and heat dissipation efficiency of the motor stator, the utility model provides the motor stator and the axial flux motor.
According to a first aspect of the utility model, there is provided a stator for an electrical machine comprising a winding support, a plurality of stator winding modules, side wall blocks and connecting rods,
the plurality of stator winding modules are arranged on the outer side of the winding support in a surrounding mode, each stator winding module comprises an iron core and a winding, the iron core comprises an iron core main body and pole shoes arranged at two ends of the iron core main body, the winding is arranged on the iron core main body in a surrounding mode, and first through holes from the inner ring side to the outer ring side are formed in the pole shoes;
the side wall block is arranged on the outer ring side of the winding, a plurality of radiating fins are arranged on the outer ring surface of the side wall block, side wall connecting parts are arranged at two ends of the inner ring surface of the side wall block, and second through holes corresponding to the first through holes are formed in the side wall connecting parts;
the connecting rod penetrates through the first through hole and the second through hole, so that the plurality of stator winding modules and the side wall block are fixed on the winding support along the circumferential direction.
In one embodiment, the connecting rod comprises a rod body and an end cap arranged at the first end of the rod body, the second end of the rod body is provided with external threads, and the second end of the rod body passes through the second through hole and the first through hole to be in threaded connection with the side wall of the winding support; or
The connecting rod is the double-end connecting rod, just the first end and the first nut threaded connection of connecting rod, the second end of connecting rod passes second through-hole, first through-hole and winding support screw and second nut threaded connection.
In one embodiment, the pole shoe is provided with a pole shoe connecting part protruding from the outer ring side, the inner ring surface of the side wall block is attached to the outer ring surface of the winding, and the side wall connecting part is attached to the pole shoe connecting part.
In one embodiment, the heat dissipation fins are arranged in the vertical direction and are uniformly distributed on the outer side surface of the side wall block, and the heat dissipation fins are parallel to the central axis of the iron core main body.
In one embodiment, the height of the side wall block is equal to the height of the stator winding module.
In one embodiment, the number of the side wall blocks is the same as the number of the stator winding modules, and each side wall block is arranged corresponding to a pair of the connecting rods.
In one embodiment, the longitudinal axes of the cores of the plurality of stator winding modules are parallel to each other.
In one embodiment, the central axes of the first through hole and the second through hole are coincident, and the extension line of the central axis of the first through hole on each pole shoe on the same side intersects with a first intersection point, and the first intersection point is located on the central axis of the winding support.
According to a second aspect of the present invention, an axial flux machine is proposed, comprising a machine stator as described above.
The utility model has the characteristics and beneficial effects that:
1. the motor stator and the axial flux motor provided by the utility model adopt a modular design, and the plurality of stator winding modules are arranged on the winding support in a surrounding manner through the connecting rod, so that the mass production of parts is facilitated, and the assembly of the motor stator is facilitated.
2. According to the motor stator and the axial flux motor, the side wall block is arranged on the outer ring side of the winding, heat generated when the motor stator rotates can be directly transferred to the side arm block and the outer portion of the electronic stator, the plurality of radiating fins are arranged on the outer side of the side arm block, heat is radiated in a mode of increasing the radiating area, and the radiating efficiency is improved.
3. The motor stator and the axial flux motor provided by the utility model have the advantages of low requirement on the processing precision of parts, convenience in assembly, good fastening effect, high strength, controllable fastening force, simplicity, practicability, strong operability and the like.
Drawings
Fig. 1 is an exploded view of the overall structure of a stator of an electric motor of the present invention;
FIG. 2 is a schematic view of the overall construction of the stator of the motor of the present invention;
fig. 3 is a sectional view showing the overall structure of a stator of the motor of the present invention;
fig. 4 is a schematic view of a stator winding module structure of the present invention;
fig. 5 is a cross-sectional view of a stator winding module and a sidewall block of the present invention;
fig. 6 is a schematic view of the connection of the stator winding modules and the side wall blocks of the present invention;
fig. 7 is an exploded view of the stator winding module and sidewall block of the present invention.
The main reference numbers:
a winding support 1; a stator winding module 2; an iron core 21; a core main body 211; a pole piece 212; a first via hole 213; a pole piece connection 214; a winding 22; a connection terminal 221; a sidewall block 3; heat radiating fins 31; a sidewall connecting portion 32; a second through hole 33; a connecting rod 4; a bearing seat 5.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings. Those skilled in the art will appreciate that the present invention is not limited to the drawings and the following examples.
As used herein, the term "include" and its various variants are to be understood as open-ended terms, which mean "including, but not limited to. The terms "upper", "lower" and the like are used only to indicate a positional relationship between relative objects. The terms "first", "second" and the like are used merely to indicate different technical features and have no essential meaning.
The utility model provides a motor stator, as shown in fig. 1-3, which comprises a winding support 1, a plurality of stator winding modules 2, a side wall block 3 and a connecting rod 4, wherein the plurality of stator winding modules 2 are arranged outside the winding support 1 in a surrounding manner, the winding support 1 is in a hollow tubular shape, a bearing seat 5 is arranged on the hollow tubular side wall of the winding support 1, the motor stator can be arranged on a motor rotating shaft through the bearing seat 5, meanwhile, the end surface of the winding support 1 is in a polygonal structure, and the number of the side edges of the winding support 1 can be determined according to different requirements.
As shown in fig. 4, each stator winding module 2 includes a core 21 and windings 22, the core 21 includes a core main body 211 and pole shoes 212 disposed at two ends of the core main body 211, the windings 22 are disposed around the core main body 211, and two ends of the windings 22 are each provided with a connection terminal 221, through which the windings 22 of two stator winding modules 2 adjacent to each other can be connected in series. The pole piece 212 is provided with a first through hole 213 from the inner ring side to the outer ring side, and the outer side surface of the pole piece 212 has a pole piece connection portion 214.
In a preferred mode, the longitudinal axes of the iron cores 21 of the plurality of stator winding modules 2 are parallel to each other, the central axes of the first through holes 213 and the second through holes 33 are coincident, the extension lines of the central axes of the first through holes 213 on each pole shoe 212 on the same side intersect at a first intersection point, and the first intersection point is located on the central axis of the winding support 1.
As shown in fig. 5 to 7, the side wall block 3 is disposed on the outer ring side of the winding 22, and a plurality of heat dissipation fins 31 are uniformly disposed on the outer ring surface of the side wall block 3, the plurality of heat dissipation fins 31 are beneficial to increasing the heat dissipation area of the side wall block 3, and can efficiently dissipate heat generated by the winding 22 during operation, the two ends of the inner ring surface of the side wall block 3 are both provided with side wall connection portions 32 protruding toward the arm surfaces, and the side wall connection portions 32 are provided with second through holes 33 corresponding to the first through holes 213.
As shown in fig. 5, the side wall block 3 is provided on the outer ring side of the winding 22, the inner ring surface of the side wall block 3 is fitted to the outer ring surface of the winding 22, and the side wall connecting portion 32 is fitted to the pole piece 212 connecting portion. And the heat dissipation fins 31 are arranged in the vertical direction and uniformly distributed on the outer side surface of the side wall block 3, and the heat dissipation fins 31 are parallel to the central axis of the iron core main body 211.
As shown in fig. 6, the height of the side wall blocks 3 is equal to the height of the stator winding modules 2, and the number of the side wall blocks 3 is the same as the number of the stator winding modules 2, and each side wall block 3 is provided corresponding to a pair of connecting bars 4.
As shown in fig. 1 to 3, the connecting rods 4 pass through the first and second through holes 213 and 33 to circumferentially fix the plurality of stator winding modules 2 and the sidewall blocks 3 to the outer wall of the winding frame 1.
In a preferred mode, the connecting rod 4 comprises a rod body and an end cap arranged at the first end of the rod body, the second end of the rod body is provided with an external thread, and the second end of the rod body passes through the second through hole 33 and the first through hole 213 to be in threaded connection with the side wall of the winding support 1; or the connecting rod 4 is a double-end connecting rod, the first end of the connecting rod 4 is in threaded connection with the first nut, and the second end of the connecting rod 4 passes through the second through hole 33, the first through hole 213 and the winding support screw hole to be in threaded connection with the second nut.
The second aspect of the present invention adopts an axial flux motor including the motor stator described above.
The method comprises the following specific operation steps:
as shown in fig. 1, the motor stator of the present invention includes a winding support 1, a plurality of stator winding modules 2, a side wall block 3 and a connecting rod 4, wherein the plurality of stator winding modules 2 are disposed around the outside of the winding support 1, each stator winding module 2 includes an iron core 21 and a winding 22, the iron core 21 includes an iron core main body 211 and pole shoes 212 disposed at two ends of the iron core main body 211, the winding 22 is disposed around the iron core main body 211, the side wall block 3 is disposed at an outer ring side of the winding 22, and the connecting rod 4 penetrates through a first through hole 213 and a second through hole 33 to circumferentially fix the plurality of stator winding modules 2 and the side wall block 3 on an outer wall of the winding support 1.
In a specific use process, firstly, the winding 22 is wound around the core main body 211, and the connection lug 221 is left, secondly, the plurality of side wall blocks 3 and the core 21 are sequentially wound and fixed on the outer side of the winding support 1 through the first through hole 213 and the second through hole 33 by using the connection rod 4, and the windings 22 are connected in series with each other through the connection lug 221. When the motor works, because the lateral wall block 3 hugs closely the outer loop side at winding 22, through setting up a plurality of heat radiation fins for increase the heat radiating area of lateral wall block 3, be favorable to the heat that lateral wall block 3 can high-efficient scattered generator during operation production, improve the radiating efficiency, have advantages such as simple and practical, maneuverability is strong.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The embodiments of the present invention have been described above. However, the present invention is not limited to the above embodiment. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A motor stator is characterized by comprising a winding bracket, a plurality of stator winding modules, side wall blocks and connecting rods,
the plurality of stator winding modules are arranged on the outer side of the winding support in a surrounding mode, each stator winding module comprises an iron core and a winding, the iron core comprises an iron core main body and pole shoes arranged at two ends of the iron core main body, the winding is arranged on the iron core main body in a surrounding mode, and first through holes from the inner ring side to the outer ring side are formed in the pole shoes;
the side wall block is arranged on the outer ring side of the winding, a plurality of radiating fins are arranged on the outer ring surface of the side wall block, side wall connecting parts are arranged at two ends of the inner ring surface of the side wall block, and second through holes corresponding to the first through holes are formed in the side wall connecting parts;
the connecting rod penetrates through the first through hole and the second through hole, so that the plurality of stator winding modules and the side wall block are fixed on the winding support along the circumferential direction.
2. The motor stator as claimed in claim 1, wherein the connecting rod comprises a rod body and an end cap disposed at a first end of the rod body, a second end of the rod body is provided with an external thread, and the second end of the rod body passes through the second through hole and the first through hole to be in threaded connection with the side wall of the winding support; or
The connecting rod is the double-end connecting rod, just the first end and the first nut threaded connection of connecting rod, the second end of connecting rod passes second through-hole, first through-hole and winding support screw and second nut threaded connection.
3. The stator of claim 1, wherein the pole shoes have pole shoe connection parts protruding from an outer circumferential side, inner circumferential surfaces of the side wall pieces are attached to outer circumferential surfaces of the windings, and the side wall connection parts are attached to the pole shoe connection parts.
4. The motor stator according to claim 3, wherein the heat dissipation fins are vertically arranged and uniformly arranged on the outer side of the side wall block, and the heat dissipation fins are parallel to the central axis of the core body.
5. An electrical machine stator according to claim 3, wherein the height of the side wall blocks is equal to the height of the stator winding modules.
6. An electrical machine stator according to claim 1, wherein the number of side wall blocks is the same as the number of stator winding modules, and each side wall block is provided in correspondence with a pair of said connecting bars.
7. The electric machine stator of claim 1, wherein the longitudinal axes of the cores of the plurality of stator winding modules are parallel to each other.
8. The stator according to claim 2, wherein the central axes of the first and second opposing through holes coincide, and the extension line of the central axis of the first through hole of each of the pole pieces located on the same side intersects at a first intersection point, and the first intersection point is located on the central axis of the winding support.
9. An axial flux machine comprising a machine stator according to any of claims 1-8.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121287663.8U CN215378588U (en) | 2021-06-09 | 2021-06-09 | Motor stator and axial flux motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121287663.8U CN215378588U (en) | 2021-06-09 | 2021-06-09 | Motor stator and axial flux motor |
Publications (1)
Publication Number | Publication Date |
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CN215378588U true CN215378588U (en) | 2021-12-31 |
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CN202121287663.8U Active CN215378588U (en) | 2021-06-09 | 2021-06-09 | Motor stator and axial flux motor |
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CN (1) | CN215378588U (en) |
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2021
- 2021-06-09 CN CN202121287663.8U patent/CN215378588U/en active Active
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Address after: 313009, No. 585-483, Shiyuan West Road, Dongqian Street, Nanxun District, Huzhou City, Zhejiang Province Patentee after: Huzhou Hardcore Pai Technology Co.,Ltd. Country or region after: China Address before: 244000 Tongling Economic Development Zone, Anhui Province Patentee before: Tongling hardcore Technology Co.,Ltd. Country or region before: China |