CN220342129U - Permanent magnet synchronous motor permanent magnet reluctance hybrid excitation rotor - Google Patents
Permanent magnet synchronous motor permanent magnet reluctance hybrid excitation rotor Download PDFInfo
- Publication number
- CN220342129U CN220342129U CN202321819565.3U CN202321819565U CN220342129U CN 220342129 U CN220342129 U CN 220342129U CN 202321819565 U CN202321819565 U CN 202321819565U CN 220342129 U CN220342129 U CN 220342129U
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- permanent magnet
- bosses
- synchronous motor
- boss
- hybrid excitation
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- 230000005284 excitation Effects 0.000 title claims abstract description 24
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 22
- 230000005291 magnetic effect Effects 0.000 claims description 8
- 230000005389 magnetism Effects 0.000 claims description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 5
- 150000002910 rare earth metals Chemical class 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model relates to the technical field of rotor permanent magnet replacement, and discloses a permanent magnet reluctance hybrid excitation rotor of a permanent magnet synchronous motor, which comprises a main body, wherein the main body is a cylinder, four first bosses and four second bosses are fixedly connected to the side surface of the main body, a baffle is connected to the side surface of the first boss in a sliding way, a groove is formed in the side surface connected with the baffle, the groove is cuboid, a sliding block is connected to the top surface of the first boss in a sliding way, a button is movably connected to the side surface of the button, coils are movably connected to the top surface, the bottom surface and the side surface of the second boss in a sliding way, protrusions are arranged at the bottoms of the side surface of the first boss and the side surface of the baffle, the first boss and the second boss are uniformly distributed along the side surface of the main body at intervals, and the four first bosses and the four second bosses are distributed in a center by taking the shaft of the main body as the center.
Description
Technical Field
The utility model relates to the technical field of rotor permanent magnet replacement, in particular to a permanent magnet reluctance hybrid excitation rotor of a permanent magnet synchronous motor.
Background
In recent years, low-performance permanent magnets such as ferrite permanent magnet motors become a hot spot for research in motor industry due to lower manufacturing cost, but because the residual magnetic density and magnetic energy product of non-rare earth materials are lower, the power density and efficiency of the non-rare earth permanent magnet motors are obviously lower than those of the rare earth permanent magnet motors, and in order to improve the output performance of the non-rare earth low magnetic energy product permanent magnet motors, reluctance torque is required to compensate for lower permanent magnet torque output, in the process, the motors often need to run in a deep weak magnetic state, and the low magnetic energy product permanent magnets are difficult to bear the strong current weak magnetic effect due to the lower coercivity, so that the non-rare earth motors have irreversible demagnetization risks.
When the permanent magnets in the low-performance permanent magnet motor are demagnetized irreversibly, the motor efficiency gradually decreases, and only the part of the motor containing the permanent magnets can be replaced to solve the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a permanent magnet reluctance hybrid excitation rotor of a permanent magnet synchronous motor, which has the advantages of independently replacing a permanent magnet, saving materials and saving funds.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a permanent magnet synchronous motor permanent magnetism magnetic resistance hybrid excitation rotor, includes the main part, the main part is the cylinder, four boss first and four boss second of main part side fixedly connected with, boss one side sliding connection has the baffle, boss one with the side that the baffle is connected is equipped with the recess, the recess is the cuboid form, boss one top surface sliding connection has the slider, boss one top surface swing joint has the button, the button with slider side swing joint.
Preferably, the top surface, the bottom surface and the side surface of the boss II are movably connected with coils.
Preferably, a protrusion is arranged at the bottom of the side surface of the boss I, which is connected with the baffle.
Preferably, the first bosses and the second bosses are uniformly distributed at intervals along the side surface of the main body, and the four first bosses and the four second bosses are distributed centering on the shaft of the main body.
Preferably, the sliding block comprises a push block, a sliding groove and a first spring, the push block is in sliding connection with the sliding groove, one end of the first spring is fixedly connected to the inner side surface of the sliding groove, the other end of the first spring is in movable connection with the push block, when the first spring props against the side surface of the sliding groove, the first spring stretches out of the first boss to block the first baffle to fix the first baffle, and therefore the first baffle and the first boss are kept stationary when the first baffle does not need to move.
Preferably, the button comprises a key, a second spring and a base, one end of the second spring is fixedly connected with the base, the other end of the second spring is movably connected with the key, the key is in contact with the side face of the pushing block when being jacked by the second spring, the pushing block cannot compress the first spring along the sliding groove when the second spring is jacked, a double safety function is achieved, and the baffle is ensured to be fixed.
Preferably, a permanent magnet is movably connected in the groove, and can be taken out of the groove and replaced by a new permanent magnet when the permanent magnet needs to be replaced.
Preferably, the axes of the top surface and the bottom surface of the main body are fixedly connected with rotating shafts.
The beneficial effects are that:
1. according to the permanent magnet reluctance hybrid excitation rotor of the permanent magnet synchronous motor, the permanent magnet can be replaced through the cooperation of the baffle plate, the groove and the boss I.
2. According to the permanent magnet reluctance hybrid excitation rotor of the permanent magnet synchronous motor, the baffle is tightly fixed on the boss I through the cooperation of the sliding block and the button when the permanent magnet does not need to be replaced, and the baffle cannot fall off or move due to rotation and collision.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a permanent magnet reluctance hybrid excitation rotor of a permanent magnet synchronous motor;
fig. 2 is an enlarged schematic structural diagram of part of a permanent magnet reluctance hybrid excitation rotor of a permanent magnet synchronous motor according to the present utility model;
fig. 3 is a schematic structural diagram of the permanent magnet synchronous motor permanent magnet reluctance hybrid excitation rotor baffle plate according to the present utility model when a part is extracted;
fig. 4 is a schematic cross-sectional structure of a permanent magnet reluctance hybrid excitation rotor slider and a button of the permanent magnet synchronous motor provided by the utility model;
fig. 5 is a schematic cross-sectional structure diagram of a permanent magnet reluctance hybrid excitation rotor slider of a permanent magnet synchronous motor.
In the figure: 1. a main body; 2. a boss I; 3. a boss II; 4. a baffle; 5. a groove; 6. a slide block; 7. a button; 8. a coil; 9. a pushing block; 10. a chute; 11. a first spring; 12. a key; 13. a second spring; 14. a base; 15. a permanent magnet; 16. a rotating shaft.
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.
Example 1
Referring to fig. 1-5, a permanent magnet reluctance hybrid excitation rotor of a permanent magnet synchronous motor comprises a main body 1, wherein the main body 1 is a cylinder, four first bosses 2 and four second bosses 3 are fixedly connected to the side surface of the main body 1, a baffle 4 is slidably connected to the side surface of the first boss 2, a groove 5 is formed in the side surface of the first boss 2, which is connected with the baffle 4, the groove 5 is cuboid, a sliding block 6 is slidably connected to the top surface of the first boss 2, a button 7 is movably connected to the side surface of the sliding block 6, the baffle 4 can be taken down along the first boss 2 in an upward sliding manner, and then a permanent magnet 15 in the groove 5 is replaced and then slides back to the original position along the first boss 2 in a downward sliding manner.
The top surface, the bottom surface and the side surface of the boss II 3 are movably connected with a coil 8.
The bottom of the side surface of the first boss 2 connected with the baffle 4 is provided with a bulge, and the baffle 4 is blocked to play a fixing role when pushed to the bottom.
The first bosses 2 and the second bosses 3 are uniformly distributed along the side surface of the main body 1 at intervals, and the four first bosses 2 and the four second bosses 3 are distributed centering around the shaft of the main body 1, so that excitation generated by the coil 8 and excitation generated by the permanent magnet 15 are in parallel connection.
The sliding block 6 comprises a pushing block 9, a sliding groove 10 and a first spring 11, wherein the pushing block 9 is in sliding connection with the sliding groove 10, one end of the first spring 11 is fixedly connected to the inner side surface of the sliding groove 10, the other end of the first spring is movably connected with the pushing block 9, when the first spring 11 props the pushing block 9 against the side surface of the sliding groove 10, the pushing block 9 stretches out of the first boss 2 to block the baffle 4 to fix the baffle, and the first spring 11 is compressed by pushing the pushing block 9 along the sliding groove 10.
The button 7 comprises a key 12, a spring II 13 and a base 14, one end of the spring II 13 is fixedly connected with the base 14, the other end of the spring II is movably connected with the key 12, the key 12 is in contact with the side face of the push block 9 when being jacked by the spring II 13, and the push block 9 cannot compress the spring I11 along the chute 10 when the spring II 13 is sprung, so that double safety effects are achieved, and the baffle 4 is ensured to be fixed.
The permanent magnet 15 is movably connected in the groove 5, and the permanent magnet 15 can be taken out of the groove 5 and replaced by a new permanent magnet 15 when the permanent magnet 15 needs to be replaced.
The top surface and the bottom surface of the main body 1 are fixedly connected with rotating shafts 16, and the rotor is connected with the motor through the rotating shafts 16.
In this embodiment, after a period of use of the motor, the permanent magnet 15 is irreversibly demagnetized, so that the efficiency of the motor is reduced, the permanent magnet 15 needs to be replaced, a worker removes the rotor from the motor, presses the key 12 with one hand so that the key 12 does not block the movement of the push block 9, pushes the push block 9 towards the key 12 until the push block 9 does not block the movement of the baffle 4, at this time, the hand pushing the push block 9 is not loosened, the baffle 4 can be removed from the boss one 2 by grabbing the baffle 4 with the hand pressing the key 12 to pull up, the permanent magnet 15 in the groove 5 is replaced with a new permanent magnet 15 after the baffle 4 is removed, after the key 12 is pressed down again to push the push block 9 away, the baffle 4 is inserted back onto the boss one 2 until the bottom of the baffle 4 touches the protrusion at the bottom of the boss one 2, the hand pushing the push block 9 is loosened this time, the baffle 4 is automatically rebounded to prevent the baffle 4 from moving, the baffle 9 is also popped up to prevent the baffle 9 from sliding after the push block 9, the baffle 4 is fixed on the boss one 2 is ensured, the permanent magnet 15 is replaced with the motor in the boss one 2, and the rotor is replaced with a lot of efficiency after the motor is replaced.
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 principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a permanent magnet synchronous motor permanent magnetism magnetic resistance hybrid excitation rotor, includes main part (1), its characterized in that: the novel anti-theft device is characterized in that the main body (1) is a cylinder, four first bosses (2) and four second bosses (3) are fixedly connected to the side face of the main body (1), the baffle (4) is slidably connected to the side face of the first bosses (2), grooves (5) are formed in the side face of the baffle (4) in a connecting mode, the grooves (5) are cuboid, the sliding blocks (6) are slidably connected to the top face of the first bosses (2), the buttons (7) are movably connected to the top face of the first bosses (2), and the buttons (7) are movably connected to the side faces of the sliding blocks (6).
2. The permanent magnet synchronous motor permanent magnet reluctance hybrid excitation rotor according to claim 1, wherein: the top surface, the bottom surface and the side surfaces of the boss II (3) are movably connected with coils (8).
3. The permanent magnet synchronous motor permanent magnet reluctance hybrid excitation rotor according to claim 1, wherein: the bottom of the side surface of the boss I (2) connected with the baffle plate (4) is provided with a bulge.
4. The permanent magnet synchronous motor permanent magnet reluctance hybrid excitation rotor according to claim 1, wherein: the first bosses (2) and the second bosses (3) are uniformly distributed along the side surface of the main body (1) at intervals, and four first bosses (2) and four second bosses (3) are distributed with the shaft of the main body (1) as the center.
5. The permanent magnet synchronous motor permanent magnet reluctance hybrid excitation rotor according to claim 1, wherein: the sliding block (6) comprises a pushing block (9), a sliding groove (10) and a first spring (11), wherein the pushing block (9) is in sliding connection with the sliding groove (10), one end of the first spring (11) is fixedly connected to the inner side face of the sliding groove (10), and the other end of the first spring is movably connected with the pushing block (9).
6. The permanent magnet synchronous motor permanent magnet reluctance hybrid excitation rotor according to claim 1, wherein: the button (7) comprises a key (12), a second spring (13) and a base (14), one end of the second spring (13) is fixedly connected with the base (14), and the other end of the second spring is movably connected with the key (12).
7. The permanent magnet synchronous motor permanent magnet reluctance hybrid excitation rotor according to claim 1, wherein: a permanent magnet (15) is movably connected in the groove (5).
8. The permanent magnet synchronous motor permanent magnet reluctance hybrid excitation rotor according to claim 1, wherein: the top surface and the bottom surface of the main body (1) are fixedly connected with rotating shafts (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321819565.3U CN220342129U (en) | 2023-07-12 | 2023-07-12 | Permanent magnet synchronous motor permanent magnet reluctance hybrid excitation rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321819565.3U CN220342129U (en) | 2023-07-12 | 2023-07-12 | Permanent magnet synchronous motor permanent magnet reluctance hybrid excitation rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220342129U true CN220342129U (en) | 2024-01-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321819565.3U Active CN220342129U (en) | 2023-07-12 | 2023-07-12 | Permanent magnet synchronous motor permanent magnet reluctance hybrid excitation rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220342129U (en) |
-
2023
- 2023-07-12 CN CN202321819565.3U patent/CN220342129U/en active Active
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