CN202918080U - Dual-purpose three-phase permanent magnet synchronous motor rotor structure for power frequency and frequency conversion control - Google Patents
Dual-purpose three-phase permanent magnet synchronous motor rotor structure for power frequency and frequency conversion control Download PDFInfo
- Publication number
- CN202918080U CN202918080U CN 201220519995 CN201220519995U CN202918080U CN 202918080 U CN202918080 U CN 202918080U CN 201220519995 CN201220519995 CN 201220519995 CN 201220519995 U CN201220519995 U CN 201220519995U CN 202918080 U CN202918080 U CN 202918080U
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- rotor
- magnetic steel
- magnet steel
- synchronous motor
- permanent magnet
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- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The utility model relates to a dual-purpose three-phase permanent magnet synchronous motor rotor structure for power frequency and frequency conversion control. The dual-purpose three-phase permanent magnet synchronous motor rotor structure comprises a rotor formed by laminating a plurality of pieces of rotor punching, wherein the rotor is sleeved on a shaft; and the dual-purpose three-phase permanent magnet synchronous motor rotor structure is characterized in that a plurality of first magnetic steel and second magnetic steel are arranged inside the rotor; the first magnetic steel is distributed along the tangential direction of the circumferential direction of the rotor; the second magnetic steel is distributed along the radial direction of the circumferential direction of the rotor; one end of the first magnetic steel is connected with one end of the adjacent first magnetic steel; the other end of the first magnetic steel is connected with one end of the second magnetic steel which is distributed along the radial direction of the rotor; and a magnetic steel pressing strip is arranged at the other end of the second magnetic steel. The rotor is high in structural strength and is suitable for high-speed operation, the built-in magnetic steel in the radial direction is symmetrically arranged on two sides of the built-in magnetic steel in the tangential direction, a magnetic circuit isolation bridge at the outer end of the magnetic steel is firm, and the magnetic flux generated by the built-in magnetic steel in the radial direction is pushed to a stator, so that the main flux in an air gap between the stator and the rotor is the highest, the starting torque is high, and the permanent magnet synchronous motor stably operates.
Description
Technical field
The utility model relates to a kind of motor rotor construction, the three-phase permanent magnet synchronous motor rotor structure that especially a kind of power frequency and variable frequency control are dual-purpose.
Background technology
Three-phase permanent magnet synchronous motor has excellent speed adjusting performance and energy-efficient advantage is used widely.Along with the development of science and technology, three-phase permanent magnet synchronous motor of new generation uses the high-performance rare-earth permanent-magnetic body, and the three-phase permanent magnet synchronous motor forward is high-power, at a high speed, and efficient future development.Rotor is the core component in the three-phase permanent magnet synchronous motor, and the three-phase permanent magnet synchronous motor rotor structure is of a great variety, has high-performance, high torque (HT), and high strength, the rotor structure of low cost of manufacture is developing direction.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of power frequency and variable frequency control dual-purpose three-phase permanent magnet synchronous motor rotor structure, its electromagnetic performance is better than other with the three-phase permanent magnet synchronous motor of power capacity, speed adjusting performance is good, rotor structure intensity is high, be suitable for running up, can be used for power frequency supply, variable frequency power supply drives.
The technical scheme that provides according to the utility model, the three-phase permanent magnet synchronous motor rotor structure that a kind of power frequency and variable frequency control are dual-purpose, comprise by some rotor punchings and laminate the rotor that obtains, rotor is set on the axle, feature is: a plurality of the first magnet steel and the second magnet steel are set in the inside of described rotor, the first magnet steel is along the tangential distribution of rotor circumference direction, the second magnet steel is along the radial distribution of rotor circumference direction, one end of described the first magnet steel is connected with an end of adjacent the first magnet steel, the other end of the first magnet steel is connected with an end of the second magnet steel that distributes along rotor radial, and the other end place of the second magnet steel arranges the magnet steel press strip.
At the two ends of described rotor the magnet steel pressing plate is set, magnet steel pressing plate and rotor are fixed together by packing ring, nut and screw rod.
Along rotor axial cell body is set at described internal rotor, in this cell body rotor bar is set, at the two ends of rotor rotor end ring is set, rotor end ring and rotor bar contact.
The beneficial effects of the utility model are: the every utmost point magnetic circuit of rotor described in the utility model adopts built-in high magnetic energy permanent magnet, and the salient pole of magnet steel can produce very large reluctance torque, and the power/torque density of permagnetic synchronous motor is larger; The magnet steel of rotor structure built-in tangential described in the utility model, larger entity unshakable in one's determination is arranged between magnet steel and the rotor diameter, rotor structure intensity is high, rotor is fit to run up, and radially built-in magnet steel is in the symmetrical placement in the magnet steel both sides of tangential on board, and it is more firm that magnet steel outer end magnetic circuit cuts off bridge, the magnetic flux that radially built-in magnet steel produces is pushed stator to, make the interior main flux of stator and rotor airgap the strongest, starting torque is large, and the permagnetic synchronous motor running is stable.
Description of drawings
Fig. 1 is the structural representation of the utility model the first embodiment.
Fig. 2 is the structural representation of the utility model the second embodiment.
Fig. 3 is the A-A cutaway view of Fig. 1.
Embodiment
The utility model is described in further detail below in conjunction with concrete accompanying drawing.
Such as Fig. 1～shown in Figure 3: as described in power frequency and the dual-purpose three-phase permanent magnet synchronous motor rotor structure of variable frequency control comprise axle 1, magnet steel pressing plate 2, the first magnet steel 3, packing ring 4, nut 5, screw rod 6, magnet steel press strip 7, rotor punching 8, rotor end ring 9, rotor bar 10, the second magnet steel 11 etc.
Such as Fig. 1, shown in Figure 3, the utility model comprises by some rotor punchings 8 and laminates the rotor that obtains, and rotor is set on the axle 1; A plurality of the first magnet steel 3 and the second magnet steel 11 are set in the inside of described rotor, the first magnet steel 3 is along the tangential distribution of rotor circumference direction, the second magnet steel 11 is along the radial distribution of rotor circumference direction, one end of described the first magnet steel 3 is connected with an end of adjacent the first magnet steel 3, the other end of the first magnet steel 3 is connected with an end of the second magnet steel 3 that distributes along rotor radial, and the other end place of the second magnet steel 3 arranges magnet steel press strip 7; At the two ends of described rotor magnet steel pressing plate 2 is set, magnet steel pressing plate 2 and rotor are fixed together by packing ring 4, nut 5 and screw rod 6;
As shown in Figure 2, described internal rotor along rotor axially be provided with cell body, rotor bar 10 is set in this cell body, at the two ends of described rotor rotor end ring 9 is set respectively, rotor end ring 9 and rotor bar 10 contact; Rotor end ring and rotor bar can not be adopted in control for variable frequency power supply, can reduce the manufacturing cost of rotor.
Claims (3)
1. a power frequency and the dual-purpose three-phase permanent magnet synchronous motor rotor structure of variable frequency control, comprise by some rotor punchings (8) and laminate the rotor that obtains, rotor is set on the axle (1), it is characterized in that: a plurality of the first magnet steel (3) and the second magnet steel (11) are set in the inside of described rotor, the first magnet steel (3) is along the tangential distribution of rotor circumference direction, the second magnet steel (11) is along the radial distribution of rotor circumference direction, one end of described the first magnet steel (3) is connected with an end of adjacent the first magnet steel (3), the other end of the first magnet steel (3) is connected with an end of the second magnet steel (3) that distributes along rotor radial, and the other end place of the second magnet steel (3) arranges magnet steel press strip (7).
2. the dual-purpose three-phase permanent magnet synchronous motor rotor structure of power frequency as claimed in claim 1 and variable frequency control, it is characterized in that: magnet steel pressing plate (2) is set at the two ends of described rotor, and magnet steel pressing plate (2) and rotor are fixed together by packing ring (4), nut (5) and screw rod (6).
3. the dual-purpose three-phase permanent magnet synchronous motor rotor structure of power frequency as claimed in claim 1 and variable frequency control, it is characterized in that: along rotor axial cell body is set at described internal rotor, rotor bar (10) is set in this cell body, rotor end ring (9) is set at the two ends of rotor, and rotor end ring (9) and rotor bar (10) contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220519995 CN202918080U (en) | 2012-10-11 | 2012-10-11 | Dual-purpose three-phase permanent magnet synchronous motor rotor structure for power frequency and frequency conversion control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220519995 CN202918080U (en) | 2012-10-11 | 2012-10-11 | Dual-purpose three-phase permanent magnet synchronous motor rotor structure for power frequency and frequency conversion control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202918080U true CN202918080U (en) | 2013-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220519995 Expired - Fee Related CN202918080U (en) | 2012-10-11 | 2012-10-11 | Dual-purpose three-phase permanent magnet synchronous motor rotor structure for power frequency and frequency conversion control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202918080U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102891555A (en) * | 2012-10-11 | 2013-01-23 | 无锡市亨达电机有限公司 | Dual-purpose three-phase permanent magnet synchronous motor rotor structure for power frequency and frequency conversion control |
| CN103973012A (en) * | 2014-05-26 | 2014-08-06 | 沈阳工业大学 | Rotor sheet for automotive permanent-magnet synchronous generator |
| CN103973011A (en) * | 2014-05-26 | 2014-08-06 | 沈阳工业大学 | Rotor punching sheet of four-pole automotive permanent magnet synchronous generator |
| CN106059131A (en) * | 2016-07-04 | 2016-10-26 | 湖南大学 | Hybrid magnetic path driving motor |
| CN109728665A (en) * | 2017-10-30 | 2019-05-07 | 大隈株式会社 | Synchronous motor |
-
2012
- 2012-10-11 CN CN 201220519995 patent/CN202918080U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102891555A (en) * | 2012-10-11 | 2013-01-23 | 无锡市亨达电机有限公司 | Dual-purpose three-phase permanent magnet synchronous motor rotor structure for power frequency and frequency conversion control |
| CN103973012A (en) * | 2014-05-26 | 2014-08-06 | 沈阳工业大学 | Rotor sheet for automotive permanent-magnet synchronous generator |
| CN103973011A (en) * | 2014-05-26 | 2014-08-06 | 沈阳工业大学 | Rotor punching sheet of four-pole automotive permanent magnet synchronous generator |
| CN106059131A (en) * | 2016-07-04 | 2016-10-26 | 湖南大学 | Hybrid magnetic path driving motor |
| CN109728665A (en) * | 2017-10-30 | 2019-05-07 | 大隈株式会社 | Synchronous motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20181011 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |