CN215267971U - Permanent magnet synchronous motor with starting controller - Google Patents
Permanent magnet synchronous motor with starting controller Download PDFInfo
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- CN215267971U CN215267971U CN202121604368.0U CN202121604368U CN215267971U CN 215267971 U CN215267971 U CN 215267971U CN 202121604368 U CN202121604368 U CN 202121604368U CN 215267971 U CN215267971 U CN 215267971U
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- 230000001360 synchronised effect Effects 0.000 title claims description 18
- 238000004804 winding Methods 0.000 claims abstract description 45
- 238000001704 evaporation Methods 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 230000017525 heat dissipation Effects 0.000 claims description 17
- 230000005389 magnetism Effects 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000008020 evaporation Effects 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 5
- 230000009471 action Effects 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000005347 demagnetization Effects 0.000 description 2
- 230000005426 magnetic field effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Abstract
The utility model discloses a PMSM with start control ware, casing internally mounted has the stator, the angle such as the inner wall hoop of the casing of stator installs W phase winding, V phase winding and U phase winding, W phase winding, V phase winding and U phase winding all are equipped with one row of louvre between two liang, the outer wall of stator is equipped with the heat pipe, the evaporating end of heat pipe is through the outer wall in close contact with of casing between heat conduction piece and the two adjacent rows of louvres, the cooling end of heat pipe stretches into in the safety cover, the internally mounted of stator has the rotor, the center fixedly connected with axis of rotation of rotor, the one end that the axis of rotation stretches out the rotor is fixed with the oar formula fan, the other end that the axis of rotation stretches out the rotor is fixed with centrifugal fan. The utility model discloses a radiating groove and heat conduction hole have accelerated the heat of rotor and have scattered and disappear, outside the casing was transfered with the heat of the inside and outer wall of stator simultaneously under the combined action of heat pipe, heat conduction piece, louvre, the radiating efficiency is high, has improved the work efficiency of equipment, has prolonged life.
Description
Technical Field
The utility model relates to an electrical equipment technical field, concretely relates to PMSM with start control ware.
Background
With the rapid development of industrial technology, industrial equipment is continuously optimized and improved, and in the aspect of motors, the original asynchronous motor is gradually converted into a permanent magnet synchronous motor for improving the power generation efficiency and reducing the power consumption. The high-speed permanent magnet synchronous motor has the advantages of high power density, high efficiency and the like, but because the high-speed permanent magnet synchronous motor has high power density and large unit volume loss, the heat productivity is increased at the same time. In the use process of the existing permanent magnet synchronous motor, a large amount of loss exists in a stator part, so that the stator part of the permanent magnet synchronous motor is the most serious heating area of the motor, the magnetism of a permanent magnet in a rotor is influenced, and the working efficiency of the synchronous motor is influenced; in addition, the rotor built in the existing permanent magnet synchronous motor mostly adopts a silicon steel sheet structure, the die sinking of each motor in the series is required again, the use cost is high, and the later maintenance is inconvenient.
Disclosure of Invention
The utility model aims at providing a PMSM with start control ware has accelerated the heat of rotor through radiating groove and heat conduction hole and has scattered and disappear, outside the heat with the inside and outer wall of stator reaches the casing under the combined action of heat pipe, heat conduction piece, louvre simultaneously, the radiating efficiency is high, has improved the work efficiency of equipment, has prolonged life.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a PMSM with start control ware, which comprises a housing, casing internally mounted has the stator, the stator includes the casing, the inner wall hoop of casing is to the angle such as installing W looks winding, V looks winding and U looks winding, W looks winding, V looks winding and U looks winding all are equipped with one row of louvre between two liang, the outer wall of stator is equipped with the heat pipe, the evaporating end of heat pipe is through the outer wall in close contact with of casing between heat conduction piece and the two adjacent rows of louvres, the cooling end of heat pipe stretches into in the safety cover, the safety cover is installed in the outer top of casing, the internally mounted of stator has the rotor, the center fixedly connected with axis of rotation of rotor, the one end that the rotor was stretched out to the axis of rotation is fixed with oar formula fan, the other end that the axis of rotation stretched out the rotor is fixed with centrifugal fan.
Further, the paddle fan and the centrifugal fan are both connected with the rotating shaft key.
Furthermore, the top of the inner wall of the shell is fixedly connected with a W-phase winding, the left part of the inner wall of the shell is fixedly connected with a V-phase winding, and the right part of the inner wall of the shell is fixedly connected with a U-phase winding.
Further, the rotor comprises a lining, the lining is in key connection with the rotating shaft, a plurality of placing grooves are uniformly formed in the lining along the circumferential direction, permanent magnets are arranged inside the placing grooves, heat dissipation grooves are formed in the lining between every two adjacent placing grooves, the placing grooves and the heat dissipation grooves are arranged in a staggered mode, and the heat dissipation grooves are communicated with air at two axial ends of the rotor.
Furthermore, a plurality of heat conduction holes are formed in the arc surface of the bush between the two adjacent placing grooves, and the heat conduction holes are communicated with the heat dissipation grooves.
Furthermore, the placing grooves and the heat dissipation grooves are the same in number.
Furthermore, the outer wall of the permanent magnet block is matched with the inner wall of the placing groove, and the permanent magnet block is fixedly connected with the lining through a screw.
Further, the permanent magnet blocks and the bushings are forged steel pieces.
The technical effects of the utility model:
1. rotate through the rotor and drive paddle fan and centrifugal fan and rotate simultaneously, blow in the casing with outside cold air, accelerated the heat of rotor through radiating groove and heat-conducting hole and scatter and disappear, outside the heat with the inside and outer wall of stator passes to the casing under the combined action of heat pipe, heat-conducting block, louvre simultaneously, the radiating efficiency is high, has effectively reduced the inside temperature of casing, has avoided the temperature to rise and has leaded to the permanent magnetism piece demagnetization, has improved the work efficiency of equipment, has prolonged life.
2. The permanent magnets and the bushings are forged steel parts, the forged steel parts are in a structure, die sinking processing is not needed, and the use cost is low; standing groove, radiating groove quantity are the same, and the permanent magnetism piece outer wall is identical each other with the standing groove inner wall, through screw fastening connection between permanent magnetism piece and the bush, has improved the symmetry of structure, and reinforcing stability simplifies the structure of rotor simultaneously, the later maintenance of being convenient for.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the three-dimensional structure inside the casing of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1 according to the present invention.
Fig. 3 is a schematic perspective view of the rotor of the present invention.
Fig. 4 is a schematic perspective view of the stator of the present invention.
In the figure, 1, a housing; 2. a paddle fan; 3. a rotating shaft; 4. a heat pipe; 5. a protective cover; 6. a heat conducting block; 7. a stator; 71. a housing; 72. heat dissipation holes; 73. a W-phase winding; 74. a V-phase winding; 75. a U-phase winding; 8. a rotor; 81. a bushing; 82. a placement groove; 83. permanent magnet blocks; 84. a heat sink; 85. a heat conduction hole; 9. a centrifugal fan.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a permanent magnet synchronous motor with start control ware as shown in fig. 1, including casing 1, 1 internally mounted of casing has stator 7, stator 7 includes casing 71, the inner wall hoop of casing 71 is waited the angle and is installed W phase winding 73, V phase winding 74 and U phase winding 75, the inner wall top fixedly connected with W phase winding 73 of casing 71, the inner wall left part fixedly connected with V phase winding 74 of casing 71, the inner wall right part fixedly connected with U phase winding 75 of casing 71, the internally mounted of stator 7 has rotor 8, W phase winding 73, V phase winding 74 and U phase winding 75 are through the external current of start control ware three-phase, under the electric current effect, stator 7 produces magnetic field, rotor 8 rotates under the magnetic field effect. A start-up controller, which is known in the art, is used to control the switching of the W-phase winding 73, the V-phase winding 74, and the U-phase winding 75.
As shown in fig. 1, 2 and 4, a row of heat dissipation holes 72 is arranged between each two of the W-phase winding 73, the V-phase winding 74 and the U-phase winding 75, a heat pipe 4 is arranged on the outer wall surface of the stator 7, an evaporation end of the heat pipe 4 is in close contact with the outer wall surface of the casing 71 between two adjacent rows of heat dissipation holes 72 through a heat conduction block 6 made of copper, a cooling end of the heat pipe 4 extends into the protective cover 5 to protect the heat pipe 4, the protective cover 5 is installed on the outer top of the casing 1, in the evaporation section of the heat pipe 4, working liquid in the pipe core is heated and evaporated and takes away heat, the heat is latent heat of evaporation of the working liquid, steam flows to the condensation section of the heat pipe from the central channel to be condensed into liquid, and simultaneously emits latent heat, and the liquid flows back to the evaporation section under the action of capillary force, so that a closed cycle is completed, and the heat of the outer wall of the stator 7 is transferred to the outside of the casing 1.
As shown in fig. 1 and 3, a rotating shaft 3 is fixedly connected to the center of the rotor 8, a paddle fan 2 is fixed to one end of the rotating shaft 3, which extends out of the rotor 8, and a centrifugal fan 9 is fixed to the other end of the rotating shaft 3, which extends out of the rotor 8; rotor 8 includes bush 81, bush 81 and 3 key-type connections of axis of rotation, bush 81 is inside evenly to have seted up a plurality of standing grooves 82 along the hoop, the internally mounted of standing groove 82 has permanent magnetism piece 83, inside the all be equipped with radiating groove 84 of bush 81 between two adjacent standing grooves 82, make standing groove 82 and the mutual staggered arrangement in radiating groove 84 position, the air at 8 axial both ends of radiating groove 84 intercommunication rotor, with oar fan 2, centrifugal fan 9, heat pipe 4 cooperatees, the heat dissipation efficiency is improved, the life of extension PMSM.
In some embodiments, both the paddle fan 2 and the centrifugal fan 9 are keyed to the rotating shaft 3, improving operational stability.
In some embodiments, a plurality of heat conducting holes 85 are formed on the arc surface of the bushing 81 between two adjacent placing grooves 82, and the heat conducting holes 85 are communicated with the heat dissipation groove 84, so as to further improve the heat dissipation efficiency.
In some embodiments, the number of the placing grooves 82 and the number of the heat dissipation grooves 84 are the same, the outer wall of the permanent magnet block 83 is matched with the inner wall of the placing groove 82, and the permanent magnet block 83 is connected with the lining 81 in a fastening mode through screws, so that the symmetry of the structure is improved, the stability is enhanced, the structure of the rotor 8 is simplified, and later maintenance is facilitated.
In some embodiments, the permanent magnets 83 and the bushing 81 are both forged steel parts, and the forged steel parts are of a structure, so that die sinking processing is not needed, and the use cost is low.
The utility model discloses a working process:
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (8)
1. A permanent magnet synchronous motor with a starting controller is characterized in that: comprises a casing (1), a stator (7) is arranged inside the casing (1), the stator (7) comprises a casing (71), a W-phase winding (73), a V-phase winding (74) and a U-phase winding (75) are arranged on the inner wall of the casing (71) in an annular equal angle, a row of heat dissipation holes (72) are arranged between each two of the W-phase winding (73), the V-phase winding (74) and the U-phase winding (75), a heat pipe (4) is arranged on the outer wall surface of the stator (7), an evaporation end of the heat pipe (4) is in close contact with the outer wall surface of the casing (71) between two adjacent rows of heat dissipation holes (72) through a heat conduction block (6), a cooling end of the heat pipe (4) extends into a protective cover (5), the protective cover (5) is arranged on the outer top of the casing (1), a rotor (8) is arranged inside the stator (7), the center of the rotor (8) is fixedly connected with a paddle fan (2), one end of the rotation shaft (3) extending out of the rotor (8) is fixed with the paddle fan (2), the other end of the rotating shaft (3) extending out of the rotor (8) is fixed with a centrifugal fan (9).
2. A permanent magnet synchronous motor with a start controller according to claim 1, characterized in that: the paddle fan (2) and the centrifugal fan (9) are connected with the rotating shaft (3) in a key mode.
3. A permanent magnet synchronous motor with a start controller according to claim 1, characterized in that: the top of the inner wall of the shell (71) is fixedly connected with a W-phase winding (73), the left part of the inner wall of the shell (71) is fixedly connected with a V-phase winding (74), and the right part of the inner wall of the shell (71) is fixedly connected with a U-phase winding (75).
4. A permanent magnet synchronous motor with a start controller according to claim 1, characterized in that: rotor (8) are including bush (81), and bush (81) and axis of rotation (3) key-type connection, and a plurality of standing grooves (82) have evenly been seted up along the hoop inside bush (81), and the internally mounted of standing groove (82) has permanent magnetism piece (83), and inside radiating groove (84) that all are equipped with of bush (81) between two adjacent standing grooves (82) for standing groove (82) and radiating groove (84) position stagger arrangement each other, and radiating groove (84) communicate the air at rotor (8) axial both ends.
5. The permanent magnet synchronous motor with a start controller according to claim 4, wherein: a plurality of heat conduction holes (85) are formed in the arc surface of the bushing (81) between every two adjacent placing grooves (82), and the heat conduction holes (85) are communicated with the heat dissipation grooves (84).
6. The permanent magnet synchronous motor with a start controller according to claim 4, wherein: the number of the placing grooves (82) and the number of the heat dissipation grooves (84) are the same.
7. The permanent magnet synchronous motor with a start controller according to claim 4, wherein: the outer wall of the permanent magnet block (83) is matched with the inner wall of the placing groove (82), and the permanent magnet block (83) is fixedly connected with the lining (81) through screws.
8. The permanent magnet synchronous motor with a start controller according to claim 4, wherein: the permanent magnet blocks (83) and the bushings (81) are all forged steel pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121604368.0U CN215267971U (en) | 2021-07-15 | 2021-07-15 | Permanent magnet synchronous motor with starting controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121604368.0U CN215267971U (en) | 2021-07-15 | 2021-07-15 | Permanent magnet synchronous motor with starting controller |
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| Publication Number | Publication Date |
|---|---|
| CN215267971U true CN215267971U (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121604368.0U Active CN215267971U (en) | 2021-07-15 | 2021-07-15 | Permanent magnet synchronous motor with starting controller |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118399674A (en) * | 2024-04-24 | 2024-07-26 | 佛山市楚洲电机科技有限公司 | A heat dissipation mechanism for a permanent magnet synchronous motor rotor |
| CN118487398A (en) * | 2024-05-23 | 2024-08-13 | 郑州德盛祥电机制造有限公司 | A high-speed permanent magnet motor |
-
2021
- 2021-07-15 CN CN202121604368.0U patent/CN215267971U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118399674A (en) * | 2024-04-24 | 2024-07-26 | 佛山市楚洲电机科技有限公司 | A heat dissipation mechanism for a permanent magnet synchronous motor rotor |
| CN118487398A (en) * | 2024-05-23 | 2024-08-13 | 郑州德盛祥电机制造有限公司 | A high-speed permanent magnet motor |
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