CN220342137U - Rotor structure of permanent magnet synchronous motor with arched permanent magnet - Google Patents
Rotor structure of permanent magnet synchronous motor with arched permanent magnet Download PDFInfo
- Publication number
- CN220342137U CN220342137U CN202321961754.4U CN202321961754U CN220342137U CN 220342137 U CN220342137 U CN 220342137U CN 202321961754 U CN202321961754 U CN 202321961754U CN 220342137 U CN220342137 U CN 220342137U
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- permanent magnet
- rotor
- arranged outside
- synchronous motor
- arc
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 17
- 230000005389 magnetism Effects 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 description 17
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The utility model discloses a rotor structure of a permanent magnet synchronous motor with an arched permanent magnet, which relates to the technical field of motors and comprises a rotor, a stator and a rotating shaft, wherein a plurality of magnetism isolating bridges and arched permanent magnets are arranged outside the rotor, a fixing mechanism is arranged outside the magnetism isolating bridges and comprises an arc-shaped baffle plate, a limit spring is arranged outside the arc-shaped baffle plate, a limit block is arranged outside the magnetism isolating bridges, a mounting mechanism is arranged outside the rotor and comprises a mounting cylinder and an annular locating plate, the mounting cylinder is movably arranged outside the rotor, and a plurality of guide blocks are also arranged inside the mounting cylinder.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to a rotor structure of a permanent magnet synchronous motor with an arched permanent magnet.
Background
Today, there is a permanent magnet synchronous motor rotor structure with an arcuate permanent magnet, wherein one side of the arcuate magnetic steel is arcuate, and the other side is in a straight shape. The arc-shaped opening faces the center of the rotor core, so that the air gap magnetic field and the counter electromotive force waveform of the winding can be obviously improved. Meanwhile, two sides of each magnetic pole of the rotor structure are respectively provided with a magnetic isolation bridge, and the arrangement of the magnetic isolation bridge can reduce leakage magnetic flux.
When the traditional permanent magnet synchronous motor is installed, the mechanism for reinforcing the arched permanent magnet is not generally arranged, so that the permanent magnet is easy to loose during the operation of the motor, the use of the permanent magnet is influenced, and when the traditional rotor is installed, the rotor is adsorbed on the stator just contacting the stator due to strong magnetism of the rotor, and the installation is difficult, so that the rotor structure of the permanent magnet synchronous motor with the arched permanent magnet is required.
Disclosure of Invention
The utility model aims to solve the defects that in the prior art, the permanent magnet is easy to loosen and the rotor is difficult to install due to long-time work of a motor, and provides a rotor structure of a permanent magnet synchronous motor with an arched permanent magnet.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a permanent magnet is rotor structure of arcuate PMSM, includes rotor, stator and pivot, the externally mounted of rotor has a plurality of magnetism-isolating bridge and arcuate permanent magnet, the outside of magnetism-isolating bridge is provided with fixed establishment, fixed establishment includes the arc baffle, the externally mounted of arc baffle has spacing spring, the externally mounted of magnetism-isolating bridge has the stopper, the outside of rotor is provided with installation mechanism, installation mechanism includes installation section of thick bamboo and annular locating plate, the installation section of thick bamboo activity sets up the outside of rotor.
The technical scheme further comprises the following steps: the outside of magnetism isolating bridge has seted up the mounting groove, spacing spring is kept away from the one end fixed connection of arc baffle is in the inside of mounting groove.
The outside of the installation section of thick bamboo is installed annular mounting panel, the outside fixedly connected with of annular mounting panel has four L shape poles.
One end of the L-shaped rod, which is far away from the annular mounting plate, is fixedly connected to the outer part of the annular positioning plate, and four arc-shaped permanent magnets are arranged on the outer part of the annular positioning plate.
And the inner threads of the arched permanent magnets are connected with positioning bolts.
The inside of the installation cylinder is also provided with a plurality of guide blocks.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the permanent magnet can be reinforced by the fixing mechanism, and when the permanent magnet is installed, the stability of the permanent magnet installation is improved by the mutual matching of the arc-shaped baffle plate, the limiting spring and the limiting block, and the phenomenon that the permanent magnet is loosened during working is avoided, so that the working stability of the permanent magnet is improved.
2. According to the utility model, the auxiliary rotor can be mounted through the mounting mechanism, when the rotor is used, the rotor is placed in the mounting cylinder, the annular positioning plate is fixed outside the stator through the positioning bolts, so that the rotor can be pushed into the stator, the mounting position of the rotor is positioned through the mounting cylinder, the phenomenon that the rotor is adsorbed on the stator due to deflection is avoided, and the rotor is convenient to mount.
Drawings
Fig. 1 is a schematic diagram of a first overall structure of a rotor structure of a permanent magnet synchronous motor with an arcuate permanent magnet according to the present utility model;
fig. 2 is a schematic diagram of a second overall structure of a rotor structure of a permanent magnet synchronous motor with permanent magnets in an arcuate shape;
FIG. 3 is an enlarged schematic view of the structure shown at A in FIG. 1;
fig. 4 is an enlarged schematic view of the structure at B in fig. 1.
In the figure: 1. a rotor; 2. a stator; 3. a mounting cylinder; 4. an L-shaped rod; 5. an annular positioning plate; 6. positioning bolts; 7. an arcuate permanent magnet; 8. a limiting block; 9. a mounting groove; 10. an arc-shaped baffle; 11. a limit spring; 12. a magnetic isolation bridge; 13. an annular mounting plate; 14. a rotating shaft; 15. and a guide block.
Detailed Description
The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.
Example 1
Referring to fig. 1-4, the rotor structure of the permanent magnet arcuate permanent magnet synchronous motor provided by the utility model comprises a rotor 1, a stator 2 and a rotating shaft 14, wherein a plurality of magnetism isolating bridges 12 and arcuate permanent magnets 7 are arranged outside the rotor 1, the magnetism isolating bridges 12 are used for reducing leakage magnetic flux, a fixing mechanism is arranged outside the magnetism isolating bridges 12, the fixing mechanism comprises an arc-shaped baffle 10, a limit spring 11 is arranged outside the arc-shaped baffle 10, and a limit block 8 is arranged outside the magnetism isolating bridges 12.
In this embodiment, the working principle of the device is as follows: firstly, an arch permanent magnet 7 and a magnetism isolating bridge 12 are arranged outside a rotor 1, the arch permanent magnet 7 is arranged between the two magnetism isolating bridges 12, after the arch permanent magnet 7 and the magnetism isolating bridge 12 are arranged, the installation of the arch permanent magnet 7 is reinforced through a limiting spring 11 and an arc baffle 10, and the stability of the arch permanent magnet 7 after the installation is improved, wherein the limiting spring 11 is obliquely installed, so that the arc baffle 10 can be conveniently propped against the outside of the arch permanent magnet 7;
when the rotor 1 is installed in the stator 2, the installation cylinder 3 is sleeved outside the rotor 1, wherein when the installation cylinder 3 is sleeved, the guide blocks 15 in the installation cylinder 3 are aligned with the gaps outside the rotor 1 to install, then the stator 2 is fixed, the annular positioning plate 5 is sleeved outside the stator 2, the positioning bolt 6 is tightly propped against the outside of the stator 2 through rotating the positioning bolt 6, at this time, the rotor 1 can be installed, and when the rotor 1 is installed, the rotor 1 is pushed into the stator 2 by pushing the rotor 1, so that the installation of the rotor 1 can be completed.
Example two
As shown in fig. 1, on the basis of the first embodiment, the outside of the rotor 1 is provided with a mounting mechanism including a mounting cylinder 3 and an annular positioning plate 5, the mounting cylinder 3 being movably disposed outside the rotor 1.
In this embodiment, when the rotor 1 is installed, the installation cylinder 3 in the installation mechanism plays a role in limiting, so that the phenomenon that the rotor 1 is locally adsorbed on the inner wall of the stator 2 when the rotor 1 is installed is avoided, and the installation efficiency of the rotor 1 is improved.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The rotor structure of the permanent magnet synchronous motor with the permanent magnets in the arc shape comprises a rotor (1), a stator (2) and a rotating shaft (14), and is characterized in that a plurality of magnetism isolating bridges (12) and arc-shaped permanent magnets (7) are arranged outside the rotor (1), a fixing mechanism is arranged outside the magnetism isolating bridges (12), the fixing mechanism comprises an arc-shaped baffle (10), a limit spring (11) is arranged outside the arc-shaped baffle (10), and a limit block (8) is arranged outside the magnetism isolating bridges (12);
the rotor is characterized in that a mounting mechanism is arranged outside the rotor (1) and comprises a mounting cylinder (3) and an annular positioning plate (5), and the mounting cylinder (3) is movably arranged outside the rotor (1).
2. The rotor structure of a permanent magnet synchronous motor with an arc-shaped permanent magnet according to claim 1, wherein a mounting groove (9) is formed in the outer portion of the magnetism isolating bridge (12), and one end, away from the arc-shaped baffle plate (10), of the limiting spring (11) is fixedly connected to the inner portion of the mounting groove (9).
3. The rotor structure of the permanent magnet synchronous motor with the permanent magnets in the arc shape according to claim 1, wherein an annular mounting plate (13) is mounted on the outer portion of the mounting cylinder (3), and four L-shaped rods (4) are fixedly connected to the outer portion of the annular mounting plate (13).
4. A rotor structure of a permanent magnet synchronous motor with an arcuate permanent magnet according to claim 3, wherein one end of the L-shaped rod (4) far away from the annular mounting plate (13) is fixedly connected to the outside of the annular positioning plate (5), and four arcuate permanent magnets (7) are provided on the outside of the annular positioning plate (5).
5. The rotor structure of a permanent magnet synchronous motor with an arched permanent magnet according to claim 4, wherein the arched permanent magnet (7) is internally threaded with a positioning bolt (6).
6. A rotor structure of a permanent magnet synchronous motor with permanent magnets in arc shape according to claim 3, characterized in that the inside of the mounting cylinder (3) is also provided with a plurality of guide blocks (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321961754.4U CN220342137U (en) | 2023-07-25 | 2023-07-25 | Rotor structure of permanent magnet synchronous motor with arched permanent magnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321961754.4U CN220342137U (en) | 2023-07-25 | 2023-07-25 | Rotor structure of permanent magnet synchronous motor with arched permanent magnet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220342137U true CN220342137U (en) | 2024-01-12 |
Family
ID=89449142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321961754.4U Active CN220342137U (en) | 2023-07-25 | 2023-07-25 | Rotor structure of permanent magnet synchronous motor with arched permanent magnet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220342137U (en) |
-
2023
- 2023-07-25 CN CN202321961754.4U patent/CN220342137U/en active Active
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