CN219394509U - Magnetic steel baffle device of permanent magnet synchronous motor rotor - Google Patents
Magnetic steel baffle device of permanent magnet synchronous motor rotor Download PDFInfo
- Publication number
- CN219394509U CN219394509U CN202223124771.0U CN202223124771U CN219394509U CN 219394509 U CN219394509 U CN 219394509U CN 202223124771 U CN202223124771 U CN 202223124771U CN 219394509 U CN219394509 U CN 219394509U
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- magnetic steel
- steel baffle
- permanent magnet
- magnet synchronous
- synchronous motor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model relates to the technical field of permanent magnet synchronous motors and discloses a magnetic steel baffle device of a permanent magnet synchronous motor rotor, which comprises a magnetic steel baffle and a stator core, wherein a plurality of screws penetrate through the upper end surface of the magnetic steel baffle in a threaded manner, a plurality of clamping columns are fixedly connected to the lower end of the magnetic steel baffle, a plurality of threaded holes and a plurality of clamping grooves are formed in the upper end surface of the stator core, the clamping grooves are matched with the clamping columns, a sleeve is fixedly sleeved on the outer wall of the magnetic steel baffle, a plurality of aluminum plates are arranged on the inner side wall of the sleeve, and connecting blocks are fixedly connected between every two aluminum plates. According to the utility model, the magnetic steel baffle for the permanent magnet synchronous motor rotor has the effect of facilitating installation and disassembly of the magnetic steel baffle, solves the problem that the existing magnetic steel baffle for the permanent magnet synchronous motor rotor is inconvenient to install and disassemble, and has a good heat dissipation function.
Description
Technical Field
The utility model relates to the technical field of permanent magnet synchronous motors, in particular to a magnetic steel baffle device of a rotor of a permanent magnet synchronous motor.
Background
The permanent magnet synchronous motor provides magnetism by using the permanent magnet, so that the electronic structure is simpler, the processing and assembly cost is reduced, a collecting ring and an electric brush which are easy to cause problems are omitted, and the running reliability of the motor is improved; the permanent magnet synchronous motor has the advantages of high power density, wide adjusting range, high efficiency and wide efficient range, and is widely popularized and applied.
Most of the existing permanent magnet synchronous motors are usually in a magnetic steel embedded structure, but the permanent magnet synchronous motors have the risk of magnetic steel demagnetization, mainly the magnetic steel demagnetization is caused by armature reaction and high temperature, in case of the magnetic steel demagnetization, the rotor needs to be replaced, and in the installation mode of the traditional rotor structure, the magnetic steel baffle is inconvenient to detach when the magnetic steel needs to be replaced. Accordingly, a magnetic steel baffle device for a rotor of a permanent magnet synchronous motor is provided by a person skilled in the art to solve the above-mentioned problems of the background art.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides the magnetic steel baffle device for the permanent magnet synchronous motor rotor, which solves the problem that the magnetic steel baffle device for the permanent magnet synchronous motor rotor is inconvenient to detach and has a good heat dissipation function.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the magnetic steel baffle device of the permanent magnet synchronous motor rotor comprises a magnetic steel baffle and a stator core, wherein a plurality of screws penetrate through the upper end face of the magnetic steel baffle in a threaded manner, a plurality of clamping columns are fixedly connected to the lower end of the magnetic steel baffle, and a plurality of threaded holes and a plurality of clamping grooves are formed in the upper end face of the stator core;
the fixed cover of magnet steel baffle outer wall is equipped with the sleeve, the sleeve inside wall is provided with a plurality of aluminum plates.
Through above-mentioned technical scheme, can fix or dismantle the magnet steel baffle through screw, card post, screw hole, draw-in groove, can dispel the heat to the magnet steel baffle through magnet steel baffle, sleeve, aluminum plate.
Further, the lower end face of the stator core is fixedly provided with an electronic rotating machine main body;
through the technical scheme, eddy current and hysteresis loss caused by alternating magnetic potential in the iron core can be reduced through the stator iron core.
Further, a bearing is fixedly connected in the middle of the upper end face of the electronic rotating machine main body, and the bearing is rotationally connected with a rotating shaft;
through above-mentioned technical scheme, through bearing, axis of rotation, can connect the object.
Further, connecting blocks are fixedly connected between every two of the aluminum plates;
through above-mentioned technical scheme, can fix aluminum plate through a plurality of aluminum plates, connecting block, avoid appearing the condition that drops.
Further, a rotor core is fixedly connected to the lower end face of the stator core, and a plurality of permanent magnets are fixedly arranged on the upper end face of the rotor core;
through above-mentioned technical scheme, provide magnetism through the permanent magnet, make motor structure simpler.
Further, a plurality of magnetic isolation rings are sleeved around the permanent magnets;
through the technical scheme, the magnetism can be effectively blocked through the magnetism isolating ring.
Further, a plurality of heat dissipation holes are formed in the outer side wall of the sleeve;
through the technical scheme, heat dissipation can be accelerated through the heat dissipation holes.
The utility model has the following beneficial effects:
1. compared with the prior magnetic steel baffle, the magnetic steel baffle device for the rotor of the permanent magnet synchronous motor provided by the utility model has the advantage that the clamping column is embedded into the clamping groove to achieve a better connection effect.
2. Compared with the prior magnetic steel baffle plate, the magnetic steel baffle plate device for the rotor of the permanent magnet synchronous motor provided by the utility model has the advantages that the effect of fixing the magnetic steel baffle plate is achieved through the fixed connection of the screws and the threaded holes, and meanwhile, the blades are convenient to detach.
3. Compared with the existing magnetic steel baffle plate, the magnetic steel baffle plate device for the rotor of the permanent magnet synchronous motor provided by the utility model has the advantages that when the magnetic steel baffle plate is used, a plurality of surrounding aluminum sheets are fixed through the outer side wall of the magnetic steel baffle plate, and the heat dissipation function of the permanent magnet rotary machine is realized through gaps between the aluminum sheets.
Drawings
Fig. 1 is an isometric view of a magnetic steel baffle device of a rotor of a permanent magnet synchronous motor according to the present utility model;
fig. 2 is a schematic structural diagram of a magnetic steel baffle device of a rotor of a permanent magnet synchronous motor according to the present utility model;
fig. 3 is a schematic structural diagram of a rotor core of a magnetic steel baffle device of a rotor of a permanent magnet synchronous motor according to the present utility model;
fig. 4 is a schematic structural diagram of a sleeve of a magnetic steel baffle device for a rotor of a permanent magnet synchronous motor according to the present utility model.
Legend description:
1. an electronic turret body; 2. a threaded hole; 3. a clamping groove; 4. a screw; 5. a clamping column; 6. a magnetic steel baffle; 7. a rotating shaft; 8. a bearing; 9. a rotor core; 10. a stator core; 11. an aluminum plate; 12. a sleeve; 13. a connecting block; 14. a magnetism isolating ring; 15. a permanent magnet; 16. and the heat dissipation holes.
Detailed Description
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, one embodiment provided by the present utility model is: the magnetic steel baffle device of the permanent magnet synchronous motor rotor comprises a magnetic steel baffle 6 and a stator core 10, wherein a plurality of screws 4 penetrate through the upper end surface of the magnetic steel baffle 6 in a threaded manner, a plurality of clamping columns 5 are fixedly connected to the lower end of the magnetic steel baffle 6, a plurality of threaded holes 2 and a plurality of clamping grooves 3 are formed in the upper end surface of the stator core 10, and the magnetic steel baffle 6 can be fixed or detached through the screws 4, the clamping columns 5, the threaded holes 2 and the clamping grooves 3, so that the magnetic steel baffle 6 is convenient to detach and fix;
the fixed cover of magnet steel baffle 6 outer wall is equipped with sleeve 12, and sleeve 12 inside wall is provided with a plurality of aluminum plates 11, can dispel the heat to magnet steel baffle 6 through magnet steel baffle 6, sleeve 12, aluminum plate 11, prevents that the too high temperature from influencing the motor output.
The stator core 10 lower terminal surface is fixed and is provided with electronic change machine body 1, can reduce the eddy current and the hysteresis loss that are caused by alternating magnetic potential in the iron core through stator core 10, fixedly connected with bearing 8 in the middle of the electronic change machine body 1 up end, bearing 8 rotates and is connected with axis of rotation 7, can connect the object through bearing 8, equal fixedly connected with connecting block 13 between a plurality of aluminum plates 11, can fix the aluminum plate through a plurality of aluminum plates, the connecting block, avoid appearing the condition that drops, stator core 10 lower terminal surface fixedly connected with rotor core 9, rotor core 9 up end is fixed and is provided with a plurality of permanent magnets 15, provide magnetism through permanent magnet 15, make motor structure comparatively simple, a plurality of permanent magnets 15 cover jointly is equipped with magnet isolation ring 14 all around, can effectually block magnetism through magnet isolation ring 14, a plurality of louvres 16 have been seted up to sleeve 12 lateral wall, can accelerate the heat dissipation through louvre 16.
Working principle: when the magnetic steel rotor is used, the clamping column 5 is matched with the clamping groove 3, the magnetic steel baffle 6 can be fixed through the threaded connection screw 4 and the threaded hole 2, meanwhile, the magnetic steel rotor is convenient to detach, a large amount of heat can be generated when the permanent magnet electronic rotor works, the magnetic steel is demagnetized due to high temperature, the sleeve 12 is fixedly sleeved on the outer wall of the magnetic steel baffle 6, the inner side wall of the sleeve 12 is provided with the plurality of aluminum plates 11, and meanwhile, the outer wall of the sleeve 12 is provided with the plurality of heat dissipation holes 16, so that the effect of rapid heat dissipation is achieved.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The utility model provides a magnet steel baffle device of permanent magnet synchronous motor rotor, includes magnet steel baffle (6) and stator core (10), its characterized in that: the upper end surface of the magnetic steel baffle (6) is threaded and penetrates through a plurality of screws (4), the lower end of the magnetic steel baffle (6) is fixedly connected with a plurality of clamping columns (5), and the upper end surface of the stator core (10) is provided with a plurality of threaded holes (2) and a plurality of clamping grooves (3);
the outer wall of the magnetic steel baffle plate (6) is fixedly sleeved with a sleeve (12), and a plurality of aluminum plates (11) are arranged on the inner side wall of the sleeve (12).
2. The magnetic steel baffle device of a rotor of a permanent magnet synchronous motor according to claim 1, wherein: the lower end face of the stator core (10) is fixedly provided with an electronic rotating machine body (1).
3. The magnetic steel baffle device of a rotor of a permanent magnet synchronous motor according to claim 2, wherein: the electronic rotating machine is characterized in that a bearing (8) is fixedly connected in the middle of the upper end face of the electronic rotating machine body (1), and the bearing (8) is rotatably connected with a rotating shaft (7).
4. The magnetic steel baffle device of a rotor of a permanent magnet synchronous motor according to claim 1, wherein: the plurality of aluminum plates (11) are fixedly connected with connecting blocks (13) between every two.
5. The magnetic steel baffle device of a rotor of a permanent magnet synchronous motor according to claim 1, wherein: the stator core (10) lower end face fixedly connected with rotor core (9), rotor core (9) up end is fixed and is provided with a plurality of permanent magnets (15).
6. The magnetic steel baffle device of a rotor of a permanent magnet synchronous motor according to claim 5, wherein: and a plurality of permanent magnets (15) are sleeved with magnetic isolation rings (14) at the periphery.
7. The magnetic steel baffle device of a rotor of a permanent magnet synchronous motor according to claim 4, wherein: a plurality of heat dissipation holes (16) are formed in the outer side wall of the sleeve (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223124771.0U CN219394509U (en) | 2022-11-24 | 2022-11-24 | Magnetic steel baffle device of permanent magnet synchronous motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223124771.0U CN219394509U (en) | 2022-11-24 | 2022-11-24 | Magnetic steel baffle device of permanent magnet synchronous motor rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219394509U true CN219394509U (en) | 2023-07-21 |
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ID=87170685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223124771.0U Active CN219394509U (en) | 2022-11-24 | 2022-11-24 | Magnetic steel baffle device of permanent magnet synchronous motor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219394509U (en) |
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2022
- 2022-11-24 CN CN202223124771.0U patent/CN219394509U/en active Active
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