CN221553012U - Rotor structure of built-in fan and permanent magnet motor - Google Patents
Rotor structure of built-in fan and permanent magnet motor Download PDFInfo
- Publication number
- CN221553012U CN221553012U CN202322816622.9U CN202322816622U CN221553012U CN 221553012 U CN221553012 U CN 221553012U CN 202322816622 U CN202322816622 U CN 202322816622U CN 221553012 U CN221553012 U CN 221553012U
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- magnet motor
- fan
- rotor
- built
- 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
- 238000001816 cooling Methods 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000017525 heat dissipation Effects 0.000 description 6
- 238000007664 blowing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
Landscapes
- Motor Or Generator Cooling System (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to the technical field of manufacturing of mechanical equipment, in particular to a rotor structure of a built-in fan and a permanent magnet motor, which comprises a permanent magnet motor rotor, wherein two ends of a stator core of the permanent magnet motor rotor are respectively provided with a fan device, the fan in the rotor forms flowing wind in the rotation process of the permanent magnet motor, heat of all parts in the permanent magnet motor is exchanged through the flowing wind, and the external independent air cooler blows cold air to the permanent magnet motor, so that heat generated by the permanent magnet motor can be rapidly dissipated. The fan device is arranged in the permanent magnet motor, so that the installation of the permanent magnet motor is facilitated, the motor keeps a stable temperature in the running process, the permanent magnet motor can work in a stable state, the practical effect is obviously improved, and the permanent magnet motor is worthy of popularization and use in the existing market.
Description
Technical Field
The utility model relates to the technical field of manufacturing of mechanical equipment, in particular to a rotor structure of a built-in fan and a permanent magnet motor.
Background
The permanent magnet motor rotor is a rotating part in the permanent magnet motor, fans are arranged at two ends of the original shaft of the permanent magnet motor rotor, the size of the fans is adjustable, the fans rotate along with the rotor shaft to drive air circulation, and the heat dissipation performance is high.
In the assembled parts of the permanent magnet motor, most of permanent magnet motor rotors adopt shaft and rotor iron cores, a fan is arranged at the rear part of the permanent magnet motor, and the fan rotates to blow and exchange the heat dissipation of the air inside and outside the motor. At this time, the permanent magnet motor adopting the fan for wind blowing and heat dissipation has the following problems: firstly, in the running process of the permanent magnet motor, heat generated by a rotor of the permanent magnet motor can be transferred in a shaft and a rotor core, and cannot be rapidly diffused outwards, so that heat dissipation is poor; secondly, under the condition that the stator is electrified, heat generated by the coil can be reserved in the stator and cannot be rapidly diffused outwards, and heat dissipation is poor; thirdly, the permanent magnet motor has more internal space, but cannot be fully utilized.
Disclosure of Invention
In order to avoid and overcome the technical problems in the prior art, the utility model provides a rotor structure with a built-in fan and a permanent magnet motor, which can quickly exchange and dissipate heat between the internal heat of the permanent magnet motor and external cold air, so that the motor can enter an installation station in a preset state.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides a rotor structure and permanent-magnet machine of built-in fan, includes permanent-magnet machine rotor, terminal box, stator, independent forced air cooling fan and load, still includes the rotor core of cooperation rotor, the inside of permanent-magnet machine rotor is equipped with interior fan unit, interior fan unit axis is in the same place with circlip, A type parallel key, fan and pivot fixed constitution, and fan unit is through the rotation drive of pivot.
As a further scheme of the utility model: the independent air cooling fan is arranged at one side, far away from the load, of the permanent magnet motor, and the independent air cooling fan is electrified through an external wiring.
As a further scheme of the utility model: the junction box is fixed by a stand in the stator.
As a further scheme of the utility model: the permanent magnet motor rotor, the junction box, the stator and the independent air cooling fan are fixed together to form a complete whole.
As a further scheme of the utility model: the load is a belt wheel, a gear or a coupling.
Compared with the prior art, the utility model has the beneficial effects that:
1. The utility model is provided with an inner fan device through the inside of the rotor of the permanent magnet motor, wherein the middle shaft of the inner fan device is fixed together by the elastic retainer ring, the A-shaped flat key, the fan and the rotating shaft, so that an inner fan device is formed, and the purpose of heat dissipation of the permanent magnet motor is realized by driving air heat to circulate;
2. in the installation process, the size of the built-in fan is adjustable, so that the space inside the permanent magnet motor can be fully utilized, the requirements of different installation spaces are met, and the aim of the internal installation of the permanent magnet motor is fulfilled;
3. The stator part of the permanent magnet motor generates heat under the condition of electrifying, and the inner fan in the rotor drives air to circulate, so that the heat in the stator can be better exchanged with the outside, and the rapidity of the heat cold and heat exchange of the stator is ensured;
4. The rotor of the permanent magnet motor is arranged, so that the contact part with the outside is increased, the heat exchange with the outside can be performed quickly, and then the heat in the motor is exchanged with cold air blown out by the air cooling fan quickly through the blowing of the independent air cooling fan, so that the effect of quickly cooling the motor is realized;
5. The permanent magnet motor rotor, the junction box, the stator and the independent air cooler are fixed together to form a complete whole, the permanent magnet motor can rapidly exchange heat between cold and hot air, and the running stability of the motor is ensured.
Drawings
Fig. 1 is an assembly view of a motor of the present utility model.
Fig. 2 is a diagram of a motor rotor according to the present utility model.
Fig. 3 is a diagram of a built-in fan of the present utility model.
The device comprises a 1-rotor, a 2-junction box, a 3-stator, a 4-independent air cooler, a 5-rotating shaft, a 6-internal fan device, a 7-rotor core, an 8-shaft circlip, a 9-A type flat key, a 10-fan and an 11-load.
Detailed Description
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication 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 following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-3, in some special working environments, when using a permanent magnet motor, some loads 11, such as a load 11 of a pulley, a transmission gear, or a coupling, need to be assembled on the rotating shaft 5 of the permanent magnet motor in advance. When these rotary type loads 11 are assembled on the permanent magnet motor, the permanent magnet motor is operated to drive the loads 11 to rotate and operate, so that the motor generates heat, and the inner fan unit 6 is provided.
The inner fan device 6 is arranged on the rotating shaft 5 of the permanent magnet motor rotor 1 and comprises an elastic collar 8 for the shaft, an A-shaped flat key 9 and a fan 10 which are fixed together to form the inner fan device.
The inner fan device 6 of the permanent magnet motor rotor 1 drives the inner fan device 6 to rotate through the rotation of the rotating shaft 5, so that heat generated in the rotor is quickly mixed with air. Meanwhile, the stator generates a large amount of heat under the action of current, and the stator can be accelerated to exchange with the outside along with the circulation of air generated by the rotation of the inner fan device on the rotor of the permanent magnet motor.
In order to ensure the safety of the lead-out wires of the motor power supply wires, the junction box 2 is fixed through the stator 3, then the stator winding inside the permanent magnet motor is connected out from the machine seat opening, a certain gap is reserved between the stator winding and the inner fan device 6, the safety of the lead-out wires is ensured,
In order to ensure that the heat of the permanent magnet motor can be rapidly dissipated, an independent air cooling fan 4 is arranged at the rear part of the stator 3 of the permanent magnet motor, the independent air cooling fan is provided with independent wiring and can operate automatically without being influenced by the permanent magnet motor, so that the internal heat of the permanent magnet motor can be rapidly exchanged with the outside, the temperature of the permanent magnet motor is rapidly reduced, and the stable operation of the motor is ensured.
In the description of the present utility model, it should be understood that the terms "orientation" or "positional relationship" are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the utility model.
Claims (5)
1. The utility model provides a rotor structure and permanent magnet motor of built-in fan, includes permanent magnet motor rotor (1), terminal box (2), stator (3), independent forced air cooling fan (4) and load (11), still includes rotor core (7) of cooperation rotor (1), its characterized in that, the inside of permanent magnet motor rotor (1) is equipped with interior fan unit (6), circlip (8), A type parallel key (9), fan (10) and pivot (5) are together fixed in interior fan unit (6) axis and are constituteed, and fan unit (6) are through the rotation drive of pivot (5).
2. The rotor structure of a built-in fan and a permanent magnet motor according to claim 1, wherein the independent air-cooled fan (4) is arranged at one side of the interior of the permanent magnet motor, which is far away from the load (11), and the independent air-cooled fan (4) is electrified through an external wiring.
3. A rotor structure of a built-in fan and a permanent magnet motor according to claim 2, characterized in that the junction box (2) is fixed by means of a stand in the stator (3).
4. A rotor structure of a built-in fan and a permanent magnet motor according to claim 3, wherein the permanent magnet motor rotor (1) is fixed with the junction box (2), the stator (3) and the independent air-cooled fan (4) to form a complete whole.
5. A rotor structure of a built-in fan and a permanent magnet motor according to claim 4, characterized in that the load (11) is a pulley, a gear or a coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322816622.9U CN221553012U (en) | 2023-10-19 | 2023-10-19 | Rotor structure of built-in fan and permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322816622.9U CN221553012U (en) | 2023-10-19 | 2023-10-19 | Rotor structure of built-in fan and permanent magnet motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221553012U true CN221553012U (en) | 2024-08-16 |
Family
ID=92255641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322816622.9U Active CN221553012U (en) | 2023-10-19 | 2023-10-19 | Rotor structure of built-in fan and permanent magnet motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221553012U (en) |
-
2023
- 2023-10-19 CN CN202322816622.9U patent/CN221553012U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11005330B2 (en) | Closed rotary electric machine comprising an internal cooling system | |
| CN108880104B (en) | Permanent magnet motor cooling system for railway vehicle | |
| CN112994355A (en) | Air-water cooling high-power permanent magnet traction motor with hanging structure | |
| CN101645633A (en) | Motor with ventilating structure | |
| CN101789649A (en) | Motor with mixed-flow fan for circulating inner and outer air paths | |
| CN112510922A (en) | Permanent magnet motor with automatic regulation and control cooling system | |
| CN104505970A (en) | Three-phase asynchronous motor with three-fan full-circulation cooling wind path system | |
| CN221553012U (en) | Rotor structure of built-in fan and permanent magnet motor | |
| CN117578783A (en) | Permanent magnet electric roller with wind and water cooling rotating shaft structure | |
| CN215419958U (en) | Constant-rotating-speed heat dissipation motor for electric tool | |
| CN121012256A (en) | A permanent magnet motor with a heat dissipation structure | |
| CN111917243B (en) | A ceiling fan motor with dual cooling air path structure | |
| CN221633531U (en) | Hybrid stepping motor | |
| CN219227376U (en) | Permanent magnet synchronous motor capable of realizing rotor self-cooling | |
| CN114069974A (en) | High-load motor with automatic temperature adjusting function | |
| CN216390749U (en) | Built-in controller for DC brushless motor | |
| CN201821216U (en) | Axial-flow air-cooled outer rotor motor | |
| CN212875548U (en) | Heat dissipation motor of electric vehicle | |
| KR20150068224A (en) | Cooling structure of drive motor | |
| CN222423393U (en) | A high-efficiency energy-saving motor for pump | |
| CN221531172U (en) | Automatic circulation cooling type motor for textile machinery | |
| CN221709497U (en) | Motor body with stator cooling structure and motor | |
| CN220291818U (en) | High-speed air-cooled motor | |
| CN220325483U (en) | Permanent magnet brushless motor | |
| CN224218230U (en) | External rotor brushless motor with heat dissipation hole structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |