CN220673473U - High-speed air-cooled stator and rotor assembly - Google Patents
High-speed air-cooled stator and rotor assembly Download PDFInfo
- Publication number
- CN220673473U CN220673473U CN202321493788.5U CN202321493788U CN220673473U CN 220673473 U CN220673473 U CN 220673473U CN 202321493788 U CN202321493788 U CN 202321493788U CN 220673473 U CN220673473 U CN 220673473U
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- stator
- air
- assembly
- rotor
- cooled
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- 238000001816 cooling Methods 0.000 claims abstract description 36
- 230000005291 magnetic effect Effects 0.000 claims abstract description 16
- 238000009423 ventilation Methods 0.000 claims abstract description 13
- 230000005294 ferromagnetic effect Effects 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 210000001503 joint Anatomy 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005284 excitation 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
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a high-speed air-cooled stator and rotor assembly, which comprises: the rotor comprises a rotor shell, a stator assembly and an air cooling assembly, wherein a plurality of ventilation grooves are formed in the inner side of the rotor shell, a plurality of ventilation grooves are formed in the surface of the rotor shell, the stator assembly is rotationally sleeved on the periphery of the air cooling assembly, the stator assembly comprises a magnetic yoke seat, an exciting coil and a magnetic yoke plate, the exciting coil and the magnetic yoke plate are located on the surface of the magnetic yoke seat, the air cooling assembly comprises an axial flow fan disc and a shaft rod sleeved on the inner side of the axial flow fan disc, and a plurality of sliding sheets are arranged on the periphery of the sliding sheets. According to the utility model, the air cooling assembly structure is arranged in the stator assembly, the air cooling assembly is utilized to synchronously rotate along with the rotor shell, so that air flow actively passes through the interior of the stator assembly to cool the stator assembly, more air flow enters the interior of the rotor shell through the ventilation groove to cool the stator assembly in an air-cooling manner under the air flow boosting of the air cooling assembly, and the heat dissipation effect is improved.
Description
Technical Field
The utility model relates to the technical field of permanent magnet motors, in particular to a high-speed air-cooled stator and rotor assembly.
Background
The high-speed permanent magnet motor has the characteristics of high efficiency and high power density, the corresponding loss density is also high, and the temperature rise of the motor is high. Excessive temperature rise at the stator winding can lead to winding insulation failure, excessive temperature rise of the rotor can lead to demagnetization of the permanent magnet, and excessive temperature rise at the bearing can lead to reduction of bearing control precision. In order to ensure safe and stable operation of the motor, a novel cooling structure needs to be developed aiming at the characteristics of the high-speed motor.
The existing permanent magnet motor stator and rotor assembly mainly uses a surface hollow structure to exchange heat and cool the surface heat and the surrounding air through accelerating the surrounding air flow in high-speed rotation, the structure has lower ventilation quantity and lower cooling effect, and mainly uses peripheral air circulation, so that the heat accumulation in the stator can not be effectively cooled, and certain defects exist. In view of the above, the present utility model provides a high-speed air-cooled stator and rotor assembly, which solves the existing problems and aims to solve the problems and improve the practical value by the technology.
Disclosure of Invention
The present utility model aims to solve one of the technical problems existing in the prior art or related technologies.
The technical scheme adopted by the utility model is as follows: a high speed air cooled stator and rotor assembly comprising: the rotor comprises a rotor shell, a stator assembly and an air cooling assembly, wherein a plurality of ventilation grooves are formed in the inner side of the rotor shell, a plurality of ventilation grooves are formed in the surface of the rotor shell, the stator assembly is rotationally sleeved on the periphery of the air cooling assembly, the stator assembly comprises a magnetic yoke seat, an exciting coil and a magnetic yoke plate, the exciting coil and the magnetic yoke plate are positioned on the surface of the magnetic yoke seat, the air cooling assembly comprises an axial flow fan disc and a shaft rod sleeved on the inner side of the axial flow fan disc, and a plurality of sliding sheets are arranged on the periphery of the axial flow fan disc.
The present utility model may be further configured in a preferred example to: the surface of the magnetic yoke seat is provided with a sleeve hole sleeved on the outer side of the air cooling assembly, the outer side of the sliding sheet is in sliding butt joint with the inner side of the sleeve hole, and the sliding sheet is of a polytetrafluoroethylene plate structure.
The present utility model may be further configured in a preferred example to: the number of the exciting coils is a plurality of and the exciting coils are arranged in one-to-one correspondence with the permanent magnet blocks, the exciting coils are uniformly distributed on the periphery of the air cooling assembly in the circumferential direction, and the exciting coils are sleeved on the surface of the magnetic yoke seat.
The present utility model may be further configured in a preferred example to: the magnetic yoke plate is fixedly sleeved on the surface of the magnetic yoke seat and is arranged opposite to the permanent magnet blocks, and the magnetic yoke seat and the magnetic yoke plate are ferromagnetic members.
The present utility model may be further configured in a preferred example to: the bottom surface of rotor casing is equipped with the connector link that is connected with the forced air cooling subassembly, the top of axostylus axostyle is fixed cup joints in the inboard of connector link.
The present utility model may be further configured in a preferred example to: the center axes of the stator assembly, the rotor shell and the air cooling assembly are positioned on the same straight line.
The present utility model may be further configured in a preferred example to: the surface of the axial flow fan disc is provided with a spiral fan blade structure, and the axial flow fan discs are arranged in parallel and sleeved on the inner side of the stator assembly.
The beneficial effects obtained by the utility model are as follows: 1. according to the utility model, the air cooling assembly structure is arranged in the stator assembly, the air cooling assembly is utilized to synchronously rotate along with the rotor shell, so that air flow actively passes through the interior of the stator assembly to cool the stator assembly, more air flow enters the interior of the rotor shell through the ventilation groove to cool the stator assembly in an air-cooling manner under the air flow boosting of the air cooling assembly, and the heat dissipation effect is improved.
2. According to the utility model, the rotor shell is rotatably supported by the rotation of the air cooling assembly in the stator assembly, so that the rotation stability of the rotor shell is improved, and the sliding vane structure is arranged on the surface of the axial flow fan disc to reduce friction with the stator assembly, thereby further reducing noise.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;
FIG. 2 is a schematic illustration of a stator assembly according to one embodiment of the present utility model;
FIG. 3 is a schematic illustration of a stator assembly and an air cooling assembly according to an embodiment of the present utility model;
fig. 4 is a schematic view showing an internal structure of a rotor housing according to an embodiment of the present utility model.
Reference numerals: 100. a rotor housing; 110. an output shaft; 120. permanent magnet blocks; 130. a connecting buckle; 140. a ventilation groove; 200. a stator assembly; 210. a magnetic yoke seat; 220. an exciting coil; 230. a yoke plate; 300. an air cooling assembly; 310. an axial flow fan disc; 320. a shaft lever; 330. a sliding vane.
Detailed Description
The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.
A high-speed air-cooled stator-rotor assembly according to some embodiments of the present utility model is described below with reference to the accompanying drawings.
1-4, the high-speed air-cooled stator-rotor assembly provided by the utility model comprises: the rotor housing 100, the stator assembly 200 and the air cooling assembly 300, the inboard of rotor housing 100 is equipped with a plurality of ventilation grooves 140, a plurality of ventilation grooves 140 have been seted up on the surface of rotor housing 100, the stator assembly 200 rotates and cup joints in the periphery of air cooling assembly 300, stator assembly 200 includes yoke seat 210 and is located excitation coil 220 and yoke plate 230 on yoke seat 210 surface, air cooling assembly 300 includes axial fan dish 310 and cup joints in the inboard axostylus axostyle 320 of axial fan dish 310, the periphery of axial fan dish 310 is equipped with a plurality of gleitbretter 330.
In this embodiment, the surface of the yoke base 210 is provided with a sleeve hole sleeved on the outer side of the air cooling assembly 300, the outer side of the sliding sheet 330 is in sliding contact with the inner side of the sleeve hole, and the sliding sheet 330 is of a polytetrafluoroethylene plate structure.
Specifically, the rotor housing 100 is rotatably supported by the air cooling assembly 300 in the stator assembly 200, so that the rotation stability of the rotor housing 100 is improved, and the sliding vane 330 structure arranged on the surface of the axial flow fan disc 310 reduces friction with the stator assembly 200, thereby further reducing noise.
In this embodiment, the number of the exciting coils 220 is several and is arranged in one-to-one correspondence with the permanent magnet blocks 120, the exciting coils 220 are uniformly distributed on the periphery of the air cooling assembly 300 in the circumferential direction, and the exciting coils 220 are sleeved on the surface of the yoke base 210.
Further, the yoke plate 230 is fixedly sleeved on the surface of the yoke base 210 and is disposed opposite to the permanent magnet block 120, and the yoke base 210 and the yoke plate 230 are ferromagnetic members.
Specifically, the rotation function of the motor is realized by using the coil stator and rotor structure of the combined stroke motor of the exciting coil 220, the yoke base 210 and the permanent magnet 120.
In this embodiment, the bottom surface of the rotor housing 100 is provided with a connecting buckle 130 connected to the air cooling assembly 300, and the top end of the shaft 320 is fixedly sleeved on the inner side of the connecting buckle 130.
In this embodiment, the center axes of stator assembly 200, rotor housing 100, and air-cooled assembly 300 are collinear.
In this embodiment, the surface of the axial fan disk 310 is provided with a spiral fan blade structure, and the axial fan disks 310 are several in number and are arranged parallel to each other and are sleeved on the inner side of the stator assembly 200.
Specifically, the air cooling assembly 300 is utilized to synchronously rotate along with the rotor housing 100, so that air flows actively pass through the inside of the stator assembly 200 to cool the stator assembly 200, and more air flows enter the inside of the rotor housing 100 through the ventilation slots 140 to cool the stator assembly 200 in an air-cooling manner under the air flow boosting of the air cooling assembly 300.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.
Claims (7)
1. A high-speed air-cooled stator-rotor assembly, comprising: rotor casing (100), stator module (200) and forced air cooling subassembly (300), the inboard of rotor casing (100) is equipped with a plurality of ventilation grooves (140), a plurality of ventilation grooves (140) have been seted up on the surface of rotor casing (100), stator module (200) rotate cup joint in the periphery of forced air cooling subassembly (300), stator module (200) include yoke seat (210) and are located exciting coil (220) and yoke plate (230) on yoke seat (210) surface, forced air cooling subassembly (300) include axial fan dish (310) and cup joint in axial fan dish (310) inboard axostylus axostyle (320), the periphery of axial fan dish (310) is equipped with a plurality of gleitbretter (330).
2. The high-speed air-cooled stator-rotor assembly according to claim 1, wherein a sleeve hole sleeved on the outer side of the air-cooled assembly (300) is formed in the surface of the magnetic yoke seat (210), the outer side of the sliding sheet (330) is in sliding abutting connection with the inner side of the sleeve hole, and the sliding sheet (330) is of a polytetrafluoroethylene plate structure.
3. The high-speed air-cooled stator-rotor assembly according to claim 1, wherein the number of the exciting coils (220) is a plurality and the exciting coils are arranged in one-to-one correspondence with the permanent magnet blocks (120), the exciting coils (220) are uniformly distributed on the periphery of the air-cooled assembly (300) in the circumferential direction, and the exciting coils (220) are sleeved on the surface of the magnet yoke base (210).
4. The high-speed air-cooled stator-rotor assembly according to claim 1, wherein the yoke plate (230) is fixedly sleeved on the surface of the yoke base (210) and is arranged opposite to the permanent magnet blocks (120), and the yoke base (210) and the yoke plate (230) are ferromagnetic members.
5. The high-speed air-cooled stator-rotor assembly according to claim 1, wherein a connecting buckle (130) connected with the air-cooled assembly (300) is arranged on the bottom surface of the rotor housing (100), and the top end of the shaft lever (320) is fixedly sleeved on the inner side of the connecting buckle (130).
6. A high-speed air-cooled stator-rotor assembly according to claim 1, wherein the center axes of the stator assembly (200), the rotor housing (100) and the air-cooled assembly (300) are positioned on the same straight line.
7. The high-speed air-cooled stator and rotor assembly according to claim 1, wherein a spiral fan blade structure is arranged on the surface of the axial flow fan disc (310), and the number of the axial flow fan discs (310) is several, and the axial flow fan discs are arranged in parallel with each other and are sleeved on the inner side of the stator assembly (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321493788.5U CN220673473U (en) | 2023-06-13 | 2023-06-13 | High-speed air-cooled stator and rotor assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321493788.5U CN220673473U (en) | 2023-06-13 | 2023-06-13 | High-speed air-cooled stator and rotor assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220673473U true CN220673473U (en) | 2024-03-26 |
Family
ID=90353392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321493788.5U Active CN220673473U (en) | 2023-06-13 | 2023-06-13 | High-speed air-cooled stator and rotor assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220673473U (en) |
-
2023
- 2023-06-13 CN CN202321493788.5U patent/CN220673473U/en active Active
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