CN104852492A - Pump efficient permanent magnet motor - Google Patents
Pump efficient permanent magnet motor Download PDFInfo
- Publication number
- CN104852492A CN104852492A CN201410561399.0A CN201410561399A CN104852492A CN 104852492 A CN104852492 A CN 104852492A CN 201410561399 A CN201410561399 A CN 201410561399A CN 104852492 A CN104852492 A CN 104852492A
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- China
- Prior art keywords
- permanent magnet
- rotor
- rotating shaft
- earth permanent
- iron core
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Abstract
The invention discloses a pump efficient permanent magnet motor, mainly composed of a rotating shaft, a front end cover, a stator winding, a base, a stator iron core, a rotor iron core, rare earth permanent magnets, conducting bars, a rear end cover, a fan, a fan housing and a junction box. The rotating shaft is a rotating shaft of the rotor iron core; rotor slots are symmetrically and uniformly punched on the periphery of the rotor iron core; the conducting bars are arranged in the rotor slots of the rotor iron core; four rare earth permanent magnets of same dimensions are uniformly arranged in the center of the rotor iron core between the conducting bars and the rotating shaft along a tangential direction; adjacent rare earth permanent magnets form an angle of 90 degrees and are not in connection. The pump efficient permanent magnet motor employs a built-in rare earth permanent magnet rotor structure, and has the characteristics of small size, light weight and less material consumption; in addition, the efficiency of the motor can be increased by 2%-8% compared with a pump motor of other same specifications, a power factor is increased, and a starting torque is great; the pump efficient permanent magnet motor is beneficial for saving energy, reducing cost and improving efficiency, and thereby has great practical values and an application prospect.
Description
Technical field
The present invention relates to technical field of motors, specifically a kind of pump efficient permanent magnet motor.
Background technology
Water pump is in secondary water supply system application, under most of time motor is all in and departs from nominal load and the larger state of rated speed, pump motor efficiency is the meeting efficient district of substantial deviation under underload converting operation, power factor also greatly declines, less than 60% in a lot of situation of electric efficiency, waste mass energy.From energy-conservation, research and development energy-saving efficient motor, raising pump efficiency level are the trend of secondary water-supply Energy Conservation both at home and abroad at present.
Summary of the invention
The object of the present invention is to provide a kind of pump efficient permanent magnet motor.
The technical solution adopted for the present invention to solve the technical problems is: pump efficient permanent magnet motor is primarily of rotating shaft, front end housing, stator winding, support, stator core, rotor core, rare-earth permanent magnet, sliver, rear end cap, fan, fan housing and terminal box 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 is equiped with in support between front end housing and rear end cap, rotor is positioned at the inner chamber of stator core and stator winding, and rotor and stator core and stator winding leave certain interval, and described rotor comprises rotating shaft, rotor core, rare-earth permanent magnet and sliver, rotating shaft is the rotating shaft of rotor core, is for installing rotor core, and transmitting torque and output mechanical power, rotating shaft is placed in the cental axial position of rotor core, and the two ends of rotating shaft extend respectively and pass through the center of front end housing and rear end cap, bearing is equiped with respectively at the center of front end housing and rear end cap, rotating shaft is placed in bearing, to ensure that rotor can drive rotating shaft Rotating with Uniform, one end that front end housing is stretched out in rotating shaft connects with water pump, the other end of rotating shaft passes through rear end cap and is equiped with fan, fan housing protection is provided with outside fan, fan housing is fixed on support by screw, and support is also provided with terminal box.
Described rotor core is formed by the silicon steel plate stacking that 0.5mm is thick, the rotor had symmetrically and evenly is rushed at rotor core circumference, sliver is equiped with in the rotor of rotor core, 4 pieces of identical rare-earth permanent magnets of dimensions are evenly put in the inner tangentially direction of rotor core between sliver and rotating shaft, and be 90 ° of angles between adjacent rare-earth permanent magnet but be not respectively connected, be equipped with air groove every magnetic at the two ends of every block rare-earth permanent magnet, the air groove of adjacent rare-earth permanent magnet separates completely and is not connected mutually.Described rare-earth permanent magnet is a kind of Nd-Fe-Bo permanent magnet material, has the feature of high energy product, high-coercive force, high residual flux density, high response speed and high stability.
The invention has the beneficial effects as follows, the present invention adopts the rotor structure of built-in rare-earth permanent magnet, there is the features such as volume is little, lightweight, consumptive material is few, and the electric motor for pump of other same specification of efficiency comparison can improve 2% ~ 8%, power factor is high (close to 1) also, starting torque is large, is conducive to energy-conservation, joint money and improves usefulness, thus having good practical value and application prospect.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention;
Accompanying drawing 2 is the A-A cutaway view of accompanying drawing 1.
In figure, 1, rotating shaft, 2, front end housing, 3, stator winding, 4, support, 5, stator core, 6, rotor core, 7, rare-earth permanent magnet, 8, sliver, 9, rear end cap, 10, fan, 11, fan housing, 12, bearing, 13, terminal box, 14, screw, 15, stator slot, 16, rotor, 17, air groove.
Embodiment
With regard to accompanying drawing 1 and accompanying drawing 2, pump efficient permanent magnet motor of the present invention is described in detail below below.
As shown in Figures 1 and 2, pump efficient permanent magnet motor of the present invention is primarily of rotating shaft 1, front end housing 2, stator winding 3, support 4, stator core 5, rotor core 6, rare-earth permanent magnet 7, sliver 8, rear end cap 9, fan 10, fan housing 11 and terminal box 13 form, stator winding 3 is embedded in the stator slot 15 of stator core 5, stator core 5 is fixed in support 4, support 4 two ends are equiped with front end housing 2 and rear end cap 9 respectively, rotor is equiped with in support 4 between front end housing 2 and rear end cap 9, rotor is positioned at the inner chamber of stator core 5 and stator winding 3, and rotor and stator core 5 and stator winding 3 leave certain interval, described rotor comprises rotating shaft 1, rotor core 6, rare-earth permanent magnet 7 and sliver 8, 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 the two ends of rotating shaft 1 extend respectively and pass through the center of front end housing 2 and rear end cap 9, bearing 12 is equiped with respectively at the center of front end housing 2 and rear end cap 9, rotating shaft 1 is placed in bearing 12, to ensure that rotor can drive rotating shaft 1 Rotating with Uniform, one end that front end housing 2 is stretched out in rotating shaft 1 connects with water pump, the other end of rotating shaft 1 passes through rear end cap 9 and is equiped with fan 10, be provided with fan housing 11 outside fan 10 to protect, fan housing 11 is fixed on support 4 by screw 14, support 4 is also provided with terminal box 13.
Described rotor core 6 is formed by the silicon steel plate stacking that 0.5mm is thick, the rotor 16 had symmetrically and evenly is rushed at rotor core 6 circumference, sliver 8 is equiped with in the rotor 16 of rotor core 6,4 pieces of identical rare-earth permanent magnets 7 of dimensions are evenly put in rotor core 6 inside between sliver 8 and rotating shaft 1 tangentially direction, and be 90 ° of angles between adjacent rare-earth permanent magnet 7 but be not respectively connected, be equipped with air groove 17 every magnetic at the two ends of every block rare-earth permanent magnet 7, the air groove 17 of adjacent rare-earth permanent magnet 7 separates completely and is not connected mutually.Described rare-earth permanent magnet 7 is a kind of Nd-Fe-Bo permanent magnet material, has the feature of high energy product, high-coercive force, high residual flux density, high response speed and high stability.
Claims (1)
1. a pump efficient permanent magnet motor is primarily of rotating shaft, front end housing, stator winding, support, stator core, rotor core, rare-earth permanent magnet, sliver, rear end cap, fan, fan housing and terminal box 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 is equiped with in support between front end housing and rear end cap, it is characterized in that, rotating shaft is placed in the cental axial position of rotor core, the rotor had symmetrically and evenly is rushed at rotor core circumference, sliver is equiped with in the rotor of rotor core, 4 pieces of identical rare-earth permanent magnets of dimensions are evenly put in the inner tangentially direction of rotor core between sliver and rotating shaft, and in 90 ° of angles between adjacent rare-earth permanent magnet, but be not respectively connected, air groove is equipped with at the two ends of every block rare-earth permanent magnet, the air groove of adjacent rare-earth permanent magnet separates completely and is not connected mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410561399.0A CN104852492A (en) | 2014-10-22 | 2014-10-22 | Pump efficient permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410561399.0A CN104852492A (en) | 2014-10-22 | 2014-10-22 | Pump efficient permanent magnet motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104852492A true CN104852492A (en) | 2015-08-19 |
Family
ID=53851925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410561399.0A Pending CN104852492A (en) | 2014-10-22 | 2014-10-22 | Pump efficient permanent magnet motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104852492A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112039251A (en) * | 2020-08-31 | 2020-12-04 | 中国人民解放军海军工程大学 | Low-magnetism permanent magnet motor, underwater vehicle, servo system, ship and automobile |
| CN112636515A (en) * | 2020-12-22 | 2021-04-09 | 超音速智能技术(杭州)有限公司 | Small-size motor element mounting structure and motor |
-
2014
- 2014-10-22 CN CN201410561399.0A patent/CN104852492A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112039251A (en) * | 2020-08-31 | 2020-12-04 | 中国人民解放军海军工程大学 | Low-magnetism permanent magnet motor, underwater vehicle, servo system, ship and automobile |
| CN112636515A (en) * | 2020-12-22 | 2021-04-09 | 超音速智能技术(杭州)有限公司 | Small-size motor element mounting structure and motor |
| CN112636515B (en) * | 2020-12-22 | 2022-04-22 | 超音速智能技术(杭州)有限公司 | Small-size motor element mounting structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150819 |
|
| WD01 | Invention patent application deemed withdrawn after publication |