CN204316295U - Pump speed governing three-phase permanent magnet synchronous motor - Google Patents
Pump speed governing three-phase permanent magnet synchronous motor Download PDFInfo
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- CN204316295U CN204316295U CN201420661418.2U CN201420661418U CN204316295U CN 204316295 U CN204316295 U CN 204316295U CN 201420661418 U CN201420661418 U CN 201420661418U CN 204316295 U CN204316295 U CN 204316295U
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- permanent magnet
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Abstract
The utility model discloses pump speed governing three-phase permanent magnet synchronous motor primarily of rotating shaft, front end housing, stator winding, stator core, support, rotor core, rare-earth permanent magnet, start cage, rear end cap, flexible coupler, encoder, aerofoil fan and fan housing composition, rare-earth permanent magnet is put in rotor core, fan housing is fixed on support, rear end cap in fan housing is also equiped with flexible coupler and support, support is equiped with encoder, the operation information that encoder is collected by flexible coupler feeds back to outside speed-regulating driver through connecting wire, undertaken processing and sending instruction by speed-regulating driver again, to realize servo drive control.The beneficial effects of the utility model are, the utility model has good servo-drive performance, in pump variable frequency water system, application has the effects such as operational efficiency is high, starting torque is large, power factor (PF) is high, economical operation wide ranges, obvious energy conservation, and volume is little, lightweight, temperature rise is little, noise is low, reliable, thus there is boundless development prospect.
Description
Technical field
The utility model relates to technical field of motors, specifically a kind of pump speed governing three-phase permanent magnet synchronous motor.
Background technology
Magneto is a kind of New-type electric machine occurred phase early 1970s, and its key structural feature is embedded in one or more rare-earth permanent magnet at motor.At present, magneto is mainly applied in fields such as weaving, oil field, colliery, household electrical appliances as energy-saving efficient motor, and applies very few in pump variable frequency water system.
Utility model content
The purpose of this utility model is to provide a kind of pump speed governing three-phase permanent magnet synchronous motor.
The utility model solves the technical scheme that its technical problem adopts: pump speed governing three-phase permanent magnet synchronous motor is primarily of rotating shaft, front end housing, stator winding, stator core, support, rotor core, rare-earth permanent magnet, start cage, rear end cap, flexible coupler, encoder, aerofoil fan and fan housing composition, stator winding is embedded in the stator slot of stator core, stator core is fixed in support, support two ends are equiped with front end housing and rear end cap respectively, rotor core is equiped with in support between front end housing and rear end cap, rotor core is positioned at the inner chamber of stator core and stator winding, and rotor core and stator core and stator winding leave certain interval, described rotating shaft is the rotating shaft of rotor core, for installing rotor core, and transmitting torque and output mechanical power, rotating shaft is placed in the cental axial position of rotor core, and one end of rotating shaft is extended front end housing and is connected with water pump, rotor core can drive rotating shaft Rotating with Uniform, described rotor core is formed by the silicon steel plate stacking that 0.5mm is thick, rare-earth permanent magnet is put in rotor core, rare-earth permanent magnet is placed in rotor core inside, and add non magnetic end ring at rare-earth permanent magnet two ends, end ring is fixed on the two ends of rotor core, for rare-earth permanent magnet being located and being built in rotor core, starting cage is also equiped with in rotor core, for solving starting problem, when rotor core drives rotating shaft to operate in synchronous speed, start cage will no longer work, described rare-earth permanent magnet is a kind of Nd-Fe-Bo permanent magnet material, there is high energy product, high-coercive force, high residual flux density, the feature of high response speed and high stability.
Described aerofoil fan is installed in fan housing, and fan housing is fixed on support, and fan housing is positioned at the side of the rear end cap of support, the rear end cap in fan housing is also equiped with flexible coupler and support, support is equiped with encoder.
Described main junction box is installed on support, draw binding post for three-phase electricity wiring connecting stator winding, fan housing is provided with time terminal box, connect encoder and aerofoil fan for wiring and draw binding post, the operation information that encoder is collected by flexible coupler feeds back to outside speed-regulating driver through connecting wire, undertaken processing and sending instruction by speed-regulating driver again, to realize servo drive control, main junction box is connected with outside speed-regulating driver by wire respectively with time terminal box.
The utility model adopts independently-powered to aerofoil fan, is intended to forced ventilation cooling, to ensure the cooling effect within the scope of whole servo-drive.
The beneficial effects of the utility model are, the utility model has good servo-drive performance, in pump variable frequency water system, application has the effects such as operational efficiency is high, starting torque is large, power factor (PF) is high, economical operation wide ranges, obvious energy conservation, and volume is little, lightweight, temperature rise is little, noise is low, reliable, thus there is boundless development prospect.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model.
In figure, 1, rotating shaft, 2, front end housing, 3, stator winding, 4, stator core, 5, support, 6, rotor core, 7, rare-earth permanent magnet, 8, start cage, 9, rear end cap, 10, flexible coupler, 11, support, 12, encoder, 13, aerofoil fan, 14, fan housing, 15, main junction box, 16, secondary terminal box, 17, wire, 18, speed-regulating driver.
Embodiment
With regard to accompanying drawing 1, pump speed governing three-phase permanent magnet synchronous motor of the present utility model is described in detail below below.
As shown in Figure 1, pump speed governing three-phase permanent magnet synchronous motor of the present utility model is primarily of rotating shaft 1, front end housing 2, stator winding 3, stator core 4, support 5, rotor core 6, rare-earth permanent magnet 7, start cage 8, rear end cap 9, flexible coupler 10, encoder 12, aerofoil fan 13 and fan housing 14 form, stator winding 3 is embedded in the stator slot of stator core 4, stator core 4 is fixed in support 5, support 5 two ends are equiped with front end housing 2 and rear end cap 9 respectively, rotor core 6 is equiped with in support 5 between front end housing 2 and rear end cap 9, rotor core 6 is positioned at the inner chamber of stator core 4 and stator winding 3, and rotor core 6 leaves certain interval with stator core 4 and stator winding 3, described rotating shaft 1 is the rotating shaft of rotor core 6, for installing rotor core 6, and transmitting torque and output mechanical power, rotating shaft 1 is placed in the cental axial position of rotor core 6, and one end of rotating shaft 1 is extended front end housing 2 and is connected with water pump, rotor core 6 can drive rotating shaft 1 Rotating with Uniform, described rotor core 6 is formed by the silicon steel plate stacking that 0.5mm is thick, rare-earth permanent magnet 7 is put in rotor core 6, it is inner that rare-earth permanent magnet 7 is placed in rotor core 6, and add non magnetic end ring at rare-earth permanent magnet 7 two ends, end ring is fixed on the two ends of rotor core 6, for rare-earth permanent magnet 7 is located and is built in rotor core 6, also be equiped with in rotor core 6 and start cage 8, for solving starting problem, when rotor core 6 drives rotating shaft 1 to operate in synchronous speed, start cage 8 will no longer work, described rare-earth permanent magnet 7 is a kind of Nd-Fe-Bo permanent magnet material, there is high energy product, high-coercive force, high residual flux density, the feature of high response speed and high stability.
Described aerofoil fan 13 is installed in fan housing 14, fan housing 14 is fixed on support 5, and fan housing 14 is positioned at the side of the rear end cap 9 of support 5, the rear end cap 9 in fan housing 14 is also equiped with flexible coupler 10 and support 11, support 11 is equiped with encoder 12.
Described main junction box 15 is installed on support 5, draw binding post for three-phase electricity wiring connecting stator winding 3, fan housing 14 is provided with time terminal box 16, connect encoder 12 with aerofoil fan 13 for wiring and draw binding post, the operation information that encoder 12 is collected by flexible coupler 10 feeds back to outside speed-regulating driver 18 through connecting wire 17, undertaken processing and sending instruction by speed-regulating driver 18 again, to realize servo drive control, main junction box 15 is connected with outside speed-regulating driver 18 by wire 17 respectively with time terminal box 16.
The utility model adopts independently-powered to aerofoil fan 13, is intended to forced ventilation cooling, to ensure the cooling effect within the scope of whole servo-drive.
Claims (3)
1. a pump speed governing three-phase permanent magnet synchronous motor, primarily of rotating shaft, front end housing, stator winding, stator core, support, rotor core, rare-earth permanent magnet, start cage, rear end cap, flexible coupler, encoder, aerofoil fan and fan housing composition, stator winding is embedded in the stator slot of stator core, stator core is fixed in support, support two ends are equiped with front end housing and rear end cap respectively, rotor core is equiped with in support between front end housing and rear end cap, rotor core is positioned at the inner chamber of stator core and stator winding, rotating shaft is placed in the cental axial position of rotor core, it is characterized in that, rare-earth permanent magnet is put in rotor core, aerofoil fan is installed in fan housing, fan housing is fixed on support, and fan housing is positioned at the side of the rear end cap of support, rear end cap in fan housing is also equiped with flexible coupler and support, support is equiped with encoder.
2. pump speed governing three-phase permanent magnet synchronous motor according to claim 1, it is characterized in that, rare-earth permanent magnet is placed in rotor core inside, and adds non magnetic end ring at rare-earth permanent magnet two ends, and end ring is fixed on the two ends of rotor core.
3. pump speed governing three-phase permanent magnet synchronous motor according to claim 1, is characterized in that, be also equiped with starting cage in rotor core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420661418.2U CN204316295U (en) | 2014-11-07 | 2014-11-07 | Pump speed governing three-phase permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420661418.2U CN204316295U (en) | 2014-11-07 | 2014-11-07 | Pump speed governing three-phase permanent magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204316295U true CN204316295U (en) | 2015-05-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420661418.2U Expired - Fee Related CN204316295U (en) | 2014-11-07 | 2014-11-07 | Pump speed governing three-phase permanent magnet synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204316295U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111082731A (en) * | 2020-01-07 | 2020-04-28 | 北京自动化控制设备研究所 | Pump speed-regulating motor parameter optimization method and pump speed-regulating motor |
-
2014
- 2014-11-07 CN CN201420661418.2U patent/CN204316295U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111082731A (en) * | 2020-01-07 | 2020-04-28 | 北京自动化控制设备研究所 | Pump speed-regulating motor parameter optimization method and pump speed-regulating 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: 20150506 Termination date: 20151107 |
|
| EXPY | Termination of patent right or utility model |