CN221009918U - Safety-increasing permanent magnet synchronous motor - Google Patents
Safety-increasing permanent magnet synchronous motor Download PDFInfo
- Publication number
- CN221009918U CN221009918U CN202322373260.0U CN202322373260U CN221009918U CN 221009918 U CN221009918 U CN 221009918U CN 202322373260 U CN202322373260 U CN 202322373260U CN 221009918 U CN221009918 U CN 221009918U
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- China
- Prior art keywords
- shell
- permanent magnet
- end cover
- synchronous motor
- magnet synchronous
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 25
- 230000017525 heat dissipation Effects 0.000 claims description 27
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- 241000883990 Flabellum Species 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 11
- 238000009434 installation Methods 0.000 description 10
- 238000001816 cooling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model relates to the technical field of motors and discloses an enhanced permanent magnet synchronous motor, which comprises a shell, wherein a first end cover and a second end cover are respectively arranged at two ends of the shell, first fixing seats are bolted to the front surface and the back surface of the shell, the number of the first fixing seats is four, second fixing seats are symmetrically bolted to the front surface and the back surface of the first end cover and the back surface of the second end cover, and clamping blocks are arranged in the second fixing seats; according to the utility model, the groove is formed in the shell, and the spiral ventilation cavity is formed in the groove by matching with the threaded material guide disc and the heat conducting plate, so that after the negative pressure fan blade rotates to drive external airflow to enter the vortex tube, the cooled air enters the ventilation cavity through the cool air outlet of the vortex tube, and the heat conducting plate is refrigerated, so that the heat conducting plate can better cool the temperature generated in the motor.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to an enhanced permanent magnet synchronous motor.
Background
The safety-enhanced explosion-proof type refers to an explosion-proof type which is used for improving the safety degree of electrical equipment which cannot generate electric arcs and sparks under normal operation conditions, preventing dangerous temperatures, electric arcs and sparks from possibly occurring in the internal and external parts of the electrical equipment, for example, an external radiating fin which is additionally arranged when a traditional permanent magnet synchronous motor is used, enhancing the heat dissipation of the motor, and not occurring dangerous temperatures, which belong to the safety-enhanced type, but also has certain problems when the traditional permanent magnet synchronous motor is used, for example, the radiating structure of the traditional permanent magnet synchronous motor is additionally provided with the radiating fin by a radiating fan, although the radiating effect can be achieved to a certain extent, the radiating fin can only absorb heat on the surface of the motor shell, the heat of the motor cannot be applied to the interior of the motor, the radiating effect is poor, meanwhile, two end covers on the motor shell of the traditional permanent magnet synchronous motor are generally fixed on the motor shell through bolts, after the traditional permanent magnet synchronous motor is used for a long time, due to the reasons of external factors, the fact that the two limit bolts are easily corroded, the situation is difficult to detach, the situation is caused, the traditional permanent magnet synchronous motor is difficult to detach, and the traditional permanent magnet synchronous motor needs repeated screwing and the mounting is troublesome.
Disclosure of utility model
The utility model aims to provide an enhanced permanent magnet synchronous motor, which has the advantages of good heat dissipation effect and convenient disassembly, solves the problems that the traditional permanent magnet synchronous motor has a heat dissipation structure with a plurality of heat dissipation fins externally added by a heat dissipation fan, and the heat dissipation effect can be achieved by a certain cooling effect, the heat dissipation effect is poor because the heat dissipation fins can absorb heat only on the surface of a motor shell, the heat cannot be applied to the inside of the motor, and meanwhile, two end covers on the motor shell of the traditional permanent magnet synchronous motor are generally fixed on the motor shell through bolts.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an increase safe type PMSM, includes the shell, the both ends of shell are provided with first end cover and second end cover respectively, the front of shell and the equal bolt in back have first fixing base, the quantity of first fixing base is four, the front of first end cover and second end cover and the equal symmetrical bolt in back have the second fixing base, the inside of second fixing base is provided with the fixture block, the draw-in groove that uses with the fixture block cooperation is seted up to one side that the first fixing base is close to the second fixing base, the fixed surface of first end cover has cup jointed the heat dissipation cover, the inside of heat dissipation cover is provided with negative pressure flabellum, the top of heat dissipation cover is provided with the vortex tube, and the input and the heat dissipation cover intercommunication of vortex tube, the recess is seted up to the inside of shell, the inside of recess is provided with the screw thread guide disc, the refrigeration end of vortex tube communicates with the recess through the connecting piece, and the air outlet has been seted up on the surface of shell.
The utility model is further characterized in that a sliding rod is bolted in the second fixing seat, and the sliding rod is in sliding connection with the clamping block.
The technical scheme is adopted: and limiting the clamping block.
The utility model is further characterized in that a return spring is sleeved on the surface of the sliding rod, and the return spring is matched with the clamping block for use.
The technical scheme is adopted: the clamping block is conveniently provided with reverse elastic force.
The utility model is further arranged that the groove is internally provided with a heat conducting plate.
The technical scheme is adopted: and the heat transfer is convenient.
The utility model is further characterized in that a rotating shaft is rotatably connected between the first end cover and the second end cover through a bearing, an iron core is arranged on the surface of the rotating shaft, a permanent magnet is arranged on the surface of the iron core, and a stator is arranged in the shell.
The technical scheme is adopted: the motor can work conveniently.
The utility model is further arranged that one end of the rotating shaft penetrates through the first end cover and is fixedly sleeved with the negative pressure fan blade.
The technical scheme is adopted: the rotating shaft is convenient to drive the negative pressure fan blade to work.
The utility model is further arranged that the two ends of the shell are both bolted with limiting blocks, and one side of the first end cover opposite to the second end cover is provided with limiting grooves matched with the limiting blocks.
The technical scheme is adopted: the first end cover and the second end cover are convenient to install and limit with the shell.
The utility model is further arranged that a dust screen is arranged on one side of the heat radiation cover far away from the first end cover.
The technical scheme is adopted: preventing dust from entering the inside of the heat dissipation cover.
The utility model is further arranged that the bottom of the shell is provided with a mounting seat.
The technical scheme is adopted: the motor is convenient to install.
The utility model is further arranged that the heat discharging end of the vortex tube is communicated with a heat discharging pipeline.
The technical scheme is adopted: and hot gas generated by the vortex tube is conveniently discharged.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the groove is formed in the shell, and the threaded material guiding disc and the heat conducting plate are matched for use, so that a spiral ventilation cavity is formed in the groove, after the negative pressure fan blade rotates to drive external air flow into the vortex tube, the cooled air enters the ventilation cavity through the cool air outlet of the vortex tube, the heat conducting plate is refrigerated, the heat conducting plate is enabled to cool the temperature generated in the motor better, and the heat dissipation effect of the motor is improved;
According to the utility model, the first fixing seat is arranged on the motor shell, the second fixing seat is arranged on the first end cover and the second end cover, the clamping block is arranged in the second fixing seat, and after the first end cover and the second end cover are arranged together with the shell, the clamping block is clamped into the clamping groove in the first fixing seat for limiting under the action of the reset spring, so that the installation purpose is achieved, the installation speed and the installation efficiency are improved, and the installation is carried out without using bolts.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a partial cross-sectional view of the structure of the present utility model;
fig. 3 is a partial structural cross-sectional view of the present utility model.
In the figure: 1. a housing; 2. a first end cap; 3. a second end cap; 4. a first fixing seat; 5. the second fixing seat; 6. a clamping block; 7. a clamping groove; 8. a heat dissipation cover; 9. negative pressure fan blades; 10. a vortex tube; 11. a groove; 12. a threaded guide disk; 13. a slide bar; 14. a return spring; 15. a heat conductive plate; 16. a rotating shaft; 17. an iron core; 18. a permanent magnet; 19. a stator; 20. a limiting block; 21. a dust screen; 22. a mounting base; 23. a heat extraction duct.
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, 2 and 3, an enhanced permanent magnet synchronous motor comprises a housing 1, a first end cover 2 and a second end cover 3 are respectively arranged at two ends of the housing 1, a first fixing seat 4 is bolted to the front surface and the back surface of the housing 1, the number of the first fixing seats 4 is four, a second fixing seat 5 is symmetrically bolted to the front surface and the back surface of the first end cover 2 and the second end cover 3, a clamping block 6 is arranged in the second fixing seat 5, a sliding rod 13 is bolted to the inside of the second fixing seat 5, the sliding rod 13 is in sliding connection with the clamping block 6, the clamping block 6 is limited, a return spring 14 is sleeved on the surface of the sliding rod 13, the return spring 14 is matched with the clamping block 6 for use, and is convenient for providing reverse elasticity to the clamping block 6, the draw-in groove 7 that uses with fixture block 6 cooperation is offered to one side that first fixing base 4 is close to second fixing base 5, mount pad 22 is installed to the bottom of shell 1, make things convenient for this motor to install, install first fixing base 4 above through this motor shell 1, install second fixing base 5 above first end cover 2 and the second end cover 3, cooperation second fixing base 5 internally mounted has fixture block 6, after first end cover 2 and second end cover 3 are in the same place with shell 1, under reset spring 14's effect, fixture block 6 card is gone into in the draw-in groove 7 of first fixing base 4 inside and is spacing, reach the purpose of installation, improve the speed and the efficiency of installation, need not to use the bolt installation.
The use process is briefly described: through installing first fixing base 4 above this motor housing 1, install second fixing base 5 above first end cover 2 and the second end cover 3, cooperation second fixing base 5 internally mounted has fixture block 6, after first end cover 2 and second end cover 3 are in the same place with housing 1, under reset spring 14's effect, fixture block 6 card is gone into in the draw-in groove 7 of first fixing base 4 inside and is spacing, reaches the purpose of installation, improves the speed and the efficiency of installation, need not to use the bolt installation.
Example 2:
Referring to fig. 1 and 2, a permanent magnet synchronous motor of enhanced safety type is disclosed, a heat dissipation cover 8 is fixedly sleeved on the surface of a first end cover 2, a dust screen 21 is installed on one side of the heat dissipation cover 8 far away from the first end cover 2 to prevent dust from entering the heat dissipation cover 8, a negative pressure fan blade 9 is arranged in the heat dissipation cover 8, a rotating shaft 16 is rotatably connected between the first end cover 2 and a second end cover 3 through a bearing, an iron core 17 is installed on the surface of the rotating shaft 16, a permanent magnet 18 is installed on the surface of the iron core 17, a stator 19 is installed in the casing 1 to facilitate the operation of the motor, one end of the rotating shaft 16 penetrates into the first end cover 2 and is fixedly sleeved with the negative pressure fan blade 9 to facilitate the rotating shaft 16 to drive the negative pressure fan blade 9 to operate, a vortex tube 10 is arranged at the top of the heat dissipation cover 8, the input end of the vortex tube 10 is communicated with the heat dissipation cover 8, a groove 11 is formed in the casing 1, the heat conducting plate 15 is arranged in the groove 11, so that heat transfer is facilitated, the threaded guide disc 12 is arranged in the groove 11, the refrigerating end of the vortex tube 10 is communicated with the groove 11 through a connecting piece, an air outlet is formed in the surface of the shell 1, the limiting blocks 20 are bolted to the two ends of the shell 1, limiting grooves matched with the limiting blocks 20 are formed in the opposite sides of the first end cover 2 and the second end cover 3, the first end cover 2 and the second end cover 3 are convenient to install and limit the shell 1, the heat exhausting end of the vortex tube 10 is communicated with the heat exhausting pipeline 23, hot air generated by the vortex tube 10 is conveniently exhausted, a spiral ventilation cavity is formed in the groove 11 through the arrangement of the groove 11, the threaded guide disc and the heat conducting plate 15 in cooperation, after the negative pressure fan blade 9 rotates to drive external air flow to enter the vortex tube 10, the cooled gas enters the ventilation cavity through the cold air outlet of the vortex tube 10 to refrigerate the heat conducting plate 15, so that the heat conducting plate 15 can cool the temperature generated in the motor better, and the heat dissipation effect of the motor is improved.
The use process is briefly described: through seting up recess 11 in the inside of shell 1, the use of cooperation screw thread guide tray and heat conduction board 15 can make the inside cavity that ventilates of a spiral that forms of recess 11, and after negative pressure flabellum 9 rotates and drives outside air current and get into vortex tube 10, the gas after the cooling enters into this cavity that ventilates through the air conditioning export of vortex tube 10, refrigerates heat conduction board 15, makes heat conduction board 15 better cool down the inside temperature that produces of motor, improves the radiating effect of this motor.
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 (10)
1. The utility model provides an increase safe type PMSM, includes shell (1), its characterized in that: the utility model discloses a refrigerating device, including shell (1), heat dissipation cover (8), vortex tube (10), recess (11) are offered to the inside of shell (1), recess (11) are provided with fixture block (6) in the inside of second fixing base (5), draw-in groove (7) that use with fixture block (6) cooperation are offered to one side that first fixing base (4) is close to second fixing base (5), heat dissipation cover (8) have been cup jointed to the fixed surface of first fixing base (2), the inside of heat dissipation cover (8) is provided with negative pressure flabellum (9), the top of heat dissipation cover (8) is provided with vortex tube (10), and the input of vortex tube (10) communicates with heat dissipation cover (8), recess (11) are offered to the inside of shell (1), vortex tube (10) are provided with screw thread piece (12) and are connected with air outlet (1) through screw thread piece (11).
2. The safety-enhanced permanent magnet synchronous motor according to claim 1, wherein: the second fixing seat (5) is internally bolted with a sliding rod (13), and the sliding rod (13) is in sliding connection with the clamping block (6).
3. The safety-enhanced permanent magnet synchronous motor according to claim 2, wherein: the surface of the sliding rod (13) is sleeved with a return spring (14), and the return spring (14) is matched with the clamping block (6).
4. The safety-enhanced permanent magnet synchronous motor according to claim 1, wherein: a heat conducting plate (15) is arranged in the groove (11).
5. The safety-enhanced permanent magnet synchronous motor according to claim 1, wherein: the novel rotary shaft is characterized in that a rotary shaft (16) is connected between the first end cover (2) and the second end cover (3) through a bearing in a rotary mode, an iron core (17) is mounted on the surface of the rotary shaft (16), a permanent magnet (18) is mounted on the surface of the iron core (17), and a stator (19) is mounted in the shell (1).
6. The safety-enhanced permanent magnet synchronous motor according to claim 5, wherein: one end of the rotating shaft (16) penetrates through the first end cover (2) and is fixedly sleeved with the negative pressure fan blade (9).
7. The safety-enhanced permanent magnet synchronous motor according to claim 1, wherein: limiting blocks (20) are bolted to two ends of the shell (1), and limiting grooves matched with the limiting blocks (20) are formed in one sides, opposite to the first end cover (2) and the second end cover (3), of the shell.
8. The safety-enhanced permanent magnet synchronous motor according to claim 1, wherein: a dust screen (21) is arranged on one side of the heat radiation cover (8) far away from the first end cover (2).
9. The safety-enhanced permanent magnet synchronous motor according to claim 1, wherein: the bottom of the shell (1) is provided with a mounting seat (22).
10. The safety-enhanced permanent magnet synchronous motor according to claim 1, wherein: the heat discharging end of the vortex tube (10) is communicated with a heat discharging pipeline (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322373260.0U CN221009918U (en) | 2023-09-01 | 2023-09-01 | Safety-increasing permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322373260.0U CN221009918U (en) | 2023-09-01 | 2023-09-01 | Safety-increasing permanent magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221009918U true CN221009918U (en) | 2024-05-24 |
Family
ID=91123669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322373260.0U Active CN221009918U (en) | 2023-09-01 | 2023-09-01 | Safety-increasing permanent magnet synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221009918U (en) |
-
2023
- 2023-09-01 CN CN202322373260.0U patent/CN221009918U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |