CN221042504U - Permanent magnet synchronous motor - Google Patents
Permanent magnet synchronous motor Download PDFInfo
- Publication number
- CN221042504U CN221042504U CN202322869574.XU CN202322869574U CN221042504U CN 221042504 U CN221042504 U CN 221042504U CN 202322869574 U CN202322869574 U CN 202322869574U CN 221042504 U CN221042504 U CN 221042504U
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- base
- permanent magnet
- magnet synchronous
- synchronous motor
- sealing cover
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 230000005855 radiation Effects 0.000 claims description 10
- 230000017525 heat dissipation Effects 0.000 abstract description 24
- 238000012423 maintenance Methods 0.000 abstract description 8
- 238000001816 cooling Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model relates to the technical field of permanent magnet synchronous motors, in particular to a permanent magnet synchronous motor, which comprises a base, wherein a sealing cover is arranged above the base, a plurality of fixing mechanisms are arranged on the surface of the outer wall of one side of the base, a heat dissipation filter plate and a rotating bearing are arranged inside the base, an air deflector is arranged between the heat dissipation filter plate and the rotating bearing, two heat dissipation fans are arranged between the air deflector and the heat dissipation filter plate, a plurality of heat dissipation holes are formed in the outer walls of one side of the base and the sealing cover, a motor main body is arranged between the two heat dissipation fans, and a transmission shaft is arranged on the motor main body, so that the maintenance of workers is facilitated.
Description
Technical Field
The utility model relates to the technical field of permanent magnet synchronous motors, in particular to a permanent magnet synchronous motor.
Background
The permanent magnet synchronous motor mainly comprises a rotor, an end cover, a stator and other parts, the stator structure of the permanent magnet synchronous motor is very similar to that of a common induction motor, the rotor structure is the largest difference with that of an asynchronous motor in that high-quality permanent magnet poles are arranged on the rotor, the permanent magnet synchronous motor is generally divided into a surface rotor structure and a built-in rotor structure according to the difference of positions of permanent magnets arranged on the rotor, compared with a three-phase asynchronous motor, the permanent magnet motor has larger advantages (small volume, high efficiency, high power factor, large starting moment, wide speed regulation range, good force energy index, low temperature rise and the like), and the permanent magnet motor is used as an energy-saving motor, and is widely applied to a plurality of fields such as medical instruments, national defense war industry, aerospace, new energy automobiles and the like at present.
As disclosed in Chinese patent publication: permanent magnet synchronous motor, application number: CN201621192167.3, including casing, stator and permanent magnet rotor, the stator is fixed in on the casing, permanent magnet rotor rotationally sets up in the stator, be equipped with a plurality of spin between permanent magnet rotor and the stator, permanent magnet rotor includes pivot and permanent magnet, the permanent magnet is fixed in the pivot periphery, be provided with T font recess in the pivot, be provided with the projection with T font recess joint on the permanent magnet. The permanent magnet synchronous motor provided by the utility model has the advantages that the structure is simple, the design is reasonable, the rotating shaft and the permanent magnet are stably fixed together by utilizing the T-shaped groove and the convex column to be clamped between the rotating shaft and the permanent magnet, the fixing effect is good, the stability of the whole machine is high, and the permanent magnet is driven to synchronously move when the rotating shaft rotates.
However, in the above technical scheme, when the permanent magnet synchronous motor is damaged, the permanent magnet synchronous motor shell needs to be disassembled when maintenance is needed, and most of permanent magnet synchronous motor shells on the market nowadays are integrated, and meanwhile, the permanent magnet synchronous motor shell is fixed by utilizing a bolt structure, so that the disassembly and the assembly are very troublesome, and the maintenance of the permanent magnet synchronous motor shell is inconvenient for staff.
Disclosure of utility model
(One) solving the technical problems
The utility model mainly aims to provide a permanent magnet synchronous motor, which can effectively solve the problems that in the background technology, when the interior of the permanent magnet synchronous motor is damaged, the permanent magnet synchronous motor shell needs to be disassembled when maintenance is needed, and the permanent magnet synchronous motor shell in the market at present is mostly integrated, and meanwhile, the permanent magnet synchronous motor shell is fixed by utilizing a bolt structure, so that the disassembly and the assembly are very troublesome, and the maintenance of the permanent magnet synchronous motor is inconvenient for staff.
(II) technical scheme
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The utility model provides a PMSM, includes the base, the base top is provided with the closing cap, base one side outer wall surface is provided with a plurality of fixed establishment, the inside heat dissipation filter plate and the rolling bearing of being provided with of base, be provided with the aviation baffle between heat dissipation filter plate and the rolling bearing, be provided with two radiator fan between aviation baffle and the heat dissipation filter plate, base and closing cap one side outer wall are provided with a plurality of louvres, two be provided with the motor main part between the radiator fan, be provided with the transmission shaft on the motor main part.
Preferably, the base is rotatably connected with the sealing cover, and the heat dissipation hole is positioned between the heat dissipation fan and the air deflector.
Preferably, the fixing mechanism comprises a mechanism base, a fixing slot and a groove are formed in the mechanism base, and a plugboard is arranged in the fixing slot.
Preferably, a rotating groove is formed in the inserting plate, a rotating positioning plate is obliquely arranged in the rotating groove, a spring is arranged on the outer wall surface of one side of the rotating positioning plate, and a pressing column is arranged on the outer wall surface of one side, away from the spring, of the rotating positioning plate.
Preferably, the fixing slot is in a convex shape, the groove is positioned above the mechanism base, and the rotary positioning plate is rotationally connected with the plugboard.
Preferably, the mechanism base is fixedly connected with the base, the groove penetrates through one side of the mechanism base, the groove is communicated with the fixed slot, and the plugboard is fixedly connected with the sealing cover.
Compared with the prior art, the utility model has the following beneficial effects:
(1) When the motor is used, the motor main body is started, the motor main body is used for driving the cooling fan and the transmission shaft to rotate, the cooling fan on one side is used for radiating heat generated by the motor main body from the cooling filter plate, the cooling fan on the other side is used for moving the heat generated by the motor main body to the air guide plate, the air guide plate is used for radiating heat from the cooling holes, and the motor main body can be simultaneously radiated from two sides, so that the radiating efficiency is enhanced, the working efficiency of the motor main body is improved, meanwhile, when the internal element of the base needs to be maintained, the pressing column is pressed, the fixing of the base and the sealing cover can be released, then the sealing cover is rotated, and then the internal element of the base can be maintained, so that the maintenance is more convenient.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a permanent magnet synchronous motor according to the present utility model;
Fig. 2 is a schematic cross-sectional perspective view of a permanent magnet synchronous motor according to the present utility model;
FIG. 3 is a schematic view of a cross-sectional perspective exploded structure of a fixing mechanism in a permanent magnet synchronous motor according to the present utility model;
fig. 4 is a schematic sectional exploded view of a fixing mechanism in a permanent magnet synchronous motor according to the present utility model.
In the figure: 1. a base; 2. a cover; 3. a fixing mechanism; 301. a mechanism base; 302. a fixed slot; 303. a groove; 304. inserting plate; 305. a rotating groove; 306. rotating the positioning plate; 307. a spring; 308. pressing the column; 4. a heat radiation filter plate; 5. a rotating bearing; 6. an air deflector; 7. a heat radiation fan; 8. a heat radiation hole; 9. a motor main body; 10. and a transmission shaft.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, 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.
As shown in fig. 1 and 2, a permanent magnet synchronous motor comprises a base 1, a sealing cover 2 is arranged above the base 1, a plurality of fixing mechanisms 3 are arranged on the surface of one side outer wall of the base 1, a heat dissipation filter plate 4 and a rotating bearing 5 are arranged inside the base 1, an air deflector 6 is arranged between the heat dissipation filter plate 4 and the rotating bearing 5, two heat dissipation fans 7 are arranged between the air deflector 6 and the heat dissipation filter plate 4, a plurality of heat dissipation holes 8 are formed in the outer wall of one side of the base 1 and the sealing cover 2, a motor main body 9 is arranged between the two heat dissipation fans 7, and a transmission shaft 10 is arranged on the motor main body 9.
As shown in fig. 3 and fig. 4, in another embodiment of the present utility model, the fixing mechanism 3 includes a mechanism base 301, a fixing slot 302 and a groove 303 are disposed on the mechanism base 301, and a plugboard 304 is disposed in the fixing slot 302;
The plug board 304 is provided with a rotating groove 305, a rotating positioning plate 306 is obliquely arranged in the rotating groove 305, a spring 307 is arranged on the outer wall surface of one side of the rotating positioning plate 306, a pressing column 308 is arranged on the outer wall surface of one side of the rotating positioning plate 306, which is far away from the spring 307, when the base 1 and the sealing cover 2 are required to be fixed, the plug board 304 is firstly moved towards the direction of the fixed plug board 302 by the sealing cover 2, the plug board 304 is inserted into the fixed plug board 302, at the moment, the inner wall at the top end of the fixed plug board 302 presses the rotating positioning plate 306, one end of the rotating positioning plate 306 moves towards the direction of the spring 307, the spring 307 stretches, when the rotating positioning plate 306 completely enters the fixed plug board 302, the pressing column 308 is positioned in the groove 303, the inner wall at the top end of the fixed plug board 302 does not press the rotating positioning plate 306, the spring 307 rebounds, the rotating positioning plate 306 is fixed in the fixed plug board 302, so that the base 1 and the sealing cover 2 are fixed by the mechanism base 301 and the plug board 304, and when the fixing of the base 1 and the sealing cover 2 is required to be released, the pressing column 308 is pressed.
The working principle of the permanent magnet synchronous motor is as follows:
When the novel heat dissipation device is used, firstly, the motor main body 9 is started, the motor main body 9 is used for driving the heat dissipation fan 7 and the transmission shaft 10 to rotate, firstly, the heat generated by the motor main body 9 is dissipated from the heat dissipation filter plate 4 by the aid of the heat dissipation fan 7 on one side, meanwhile, the heat generated by the motor main body 9 is moved to the air deflector 6 by the aid of the heat dissipation fan 7 on the other side, then, the heat is dissipated from the heat dissipation holes 8 by the air deflector 6, the heat dissipation efficiency can be improved by simultaneously dissipating the heat from the two sides of the motor main body 9, so that the working efficiency of the motor main body 9 is improved, meanwhile, when the internal elements of the base 1 are required to be maintained, the pressing column 308 is pressed, the fixing of the base 1 and the sealing cover 2 can be released, then, the sealing cover 2 can be rotated, then, the internal elements of the base 1 can be maintained, the maintenance is more convenient, after the maintenance is completed, the sealing cover 2 is rotated again, the sealing cover 2 is attached to the base 1, and the plug board 304 can be plugged into the fixing slot 302, and the base 1 and the sealing cover 2 are fixed by the mechanism base 301 and the plug board 304.
It should be understood that the foregoing examples of the present invention are merely illustrative of the present invention and not limiting of the embodiments of the present invention, and that various other changes and modifications can be made by those skilled in the art based on the above description, and it is not intended to be exhaustive of all of the embodiments, and all obvious changes and modifications that come within the scope of the invention are defined by the following claims.
Claims (6)
1. Permanent magnet synchronous motor, including base (1), its characterized in that: the novel heat radiation device is characterized in that a sealing cover (2) is arranged above the base (1), a plurality of fixing mechanisms (3) are arranged on the outer wall surface of one side of the base (1), a heat radiation filter plate (4) and a rotating bearing (5) are arranged inside the base (1), an air deflector (6) is arranged between the heat radiation filter plate (4) and the rotating bearing (5), two heat radiation fans (7) are arranged between the air deflector (6) and the heat radiation filter plate (4), a plurality of heat radiation holes (8) are formed in the outer wall of one side of the base (1) and the sealing cover (2), a motor main body (9) is arranged between the two heat radiation fans (7), and a transmission shaft (10) is arranged on the motor main body (9).
2. A permanent magnet synchronous motor according to claim 1, characterized in that: the base (1) is rotationally connected with the sealing cover (2), and the radiating holes (8) are positioned between the radiating fan (7) and the air deflector (6).
3. A permanent magnet synchronous motor according to claim 2, characterized in that: the fixing mechanism (3) comprises a mechanism base (301), a fixing slot (302) and a groove (303) are arranged on the mechanism base (301), and a plugboard (304) is arranged in the fixing slot (302).
4. A permanent magnet synchronous motor according to claim 3, characterized in that: the rotary positioning device is characterized in that a rotary groove (305) is formed in the inserting plate (304), a rotary positioning plate (306) is obliquely arranged in the rotary groove (305), a spring (307) is arranged on the outer wall surface of one side of the rotary positioning plate (306), and a pressing column (308) is arranged on the outer wall surface of one side, far away from the spring (307), of the rotary positioning plate (306).
5. A permanent magnet synchronous motor according to claim 4, wherein: the fixed slot (302) is in a convex shape, the groove (303) is positioned above the mechanism base (301), and the rotary positioning plate (306) is rotationally connected with the plugboard (304).
6. A permanent magnet synchronous motor according to claim 5, wherein: the mechanism base (301) is fixedly connected with the base (1), the groove (303) penetrates through one side of the mechanism base (301), the groove (303) is communicated with the fixed slot (302), and the plugboard (304) is fixedly connected with the sealing cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322869574.XU CN221042504U (en) | 2023-10-25 | 2023-10-25 | Permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322869574.XU CN221042504U (en) | 2023-10-25 | 2023-10-25 | Permanent magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221042504U true CN221042504U (en) | 2024-05-28 |
Family
ID=91182268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322869574.XU Active CN221042504U (en) | 2023-10-25 | 2023-10-25 | Permanent magnet synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221042504U (en) |
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2023
- 2023-10-25 CN CN202322869574.XU patent/CN221042504U/en active Active
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