CN201928170U - Double-stator permanent magnet generator - Google Patents
Double-stator permanent magnet generator Download PDFInfo
- Publication number
- CN201928170U CN201928170U CN2011200026056U CN201120002605U CN201928170U CN 201928170 U CN201928170 U CN 201928170U CN 2011200026056 U CN2011200026056 U CN 2011200026056U CN 201120002605 U CN201120002605 U CN 201120002605U CN 201928170 U CN201928170 U CN 201928170U
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- Prior art keywords
- stator
- rotor
- permanent magnet
- dead axle
- double
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Abstract
The utility model discloses a double-stator permanent magnet generator comprising an enclosure, wherein the enclosure is internally provided with stators, a rotor, a dead axle, and a moving axle which is sheathed with the dead axle and can axially rotate, the moving axle is connected with the rotor in a driving way, each stator comprises a stator core, a stator winding, and an annular outer stator and an annular inner stator which are concentric, the rotor is positioned between the outer stator and the inner stator, and both the inner surface and the outer surface of the rotor are provided with magnetic steel. The double-stator permanent magnet generator has the beneficial effects that as the two stators are adopted in one generator, when the rotor rotates, electric current can be generated in coils of the inner stator and the outer stator simultaneously, so as to fully utilize the internal space of the generator, greatly improve the power of the generator in effective volume space, prevent the volume from being excessively increased simultaneously when improving electricity generation efficiency, reduce the cost and improve the utilization rate of wind energy. Meanwhile, the rotor is provided with the inner magnetic steel and the outer magnetic steel to form two sets of independent magnetic circuits, namely an inner magnetic circuit and an outer magnetic circuit which do not interfere with each other, and are stable in working.
Description
Technical field
The utility model belongs to technical field of generators, particularly a kind of double-stator permanent magnet generator.
Background technology
Wind energy is as a kind of renewable resource of cleaning, and development prospect is boundless, and wind-driven generator is that wind energy is opened
Vital core link in sending out.In direct wind-driven generator, present, wanting to increase the way that the power of generator generally takes is exactly the volume that increases generator, but the increase of volume has a lot of condition restriction, and cost is higher, and wind energy utilization is lower.
Summary of the invention
For solving above technical deficiency, the utility model provides a kind of Wind Power Utilization efficient height, the double-stator permanent magnet generator that relative volume and weight are less.
The utility model is realized by following measure:
A kind of double-stator permanent magnet generator of the present utility model comprises casing, is provided with stator, commentaries on classics in the described casing
But son, dead axle and with the moving axis of dead axle socket and axial rotation, described moving axis drives and connects rotor, described stator comprises stator core and stator winding, described stator comprises concentric annular external stator and internal stator, described rotor is between external stator and internal stator, and the inner surface and the outer surface of rotor are provided with magnet steel.
Above-mentioned rotor is connected with the rotor field spider perpendicular to the moving axis center line, and moving axis is connected on the rotor field spider, institute
State casing and comprise housing, front end housing and rear end cap, described front end housing is an annular, and the interior center circle edge of front end housing bends inwards and be provided with sealing device between end and rotor field spider, can play sealing function, prevents that dust impurity from entering in the casing.
Better for service efficiency, the stator core length of above-mentioned external stator is 1.1 ~ 2.0 times of stator core length of internal stator, also can be according to watt level, and the winding length of external stator in the pro-rata.
Specifically, above-mentioned dead axle is a hollow-core construction, and the dead axle end is provided with the shelves platform that turns up, and the shelves platform is connected the outside of rear end cap.
Preferably, the fore bearing and the rear bearing at interval before and after being provided with in the above-mentioned dead axle, described moving axis is enclosed within the dead axle by fore bearing and rear bearing.
Particularly, above-mentioned internal stator is fixed on the dead axle by the internal stator support.
In order to improve radiating effect, said machine casing is provided with radiating ribs, and rear end cap is provided with radiator fan.
The beneficial effects of the utility model are: adopt two stators in the generator, when rotor rotation, can in the coil of inside and outside two stators, produce electric current simultaneously, made full use of the generator inner space, in the effective volume space, significantly improve generator power, changed the technology tradition of former single stator generating, when improving generating efficiency, also avoid the excessive increase of volume, reduced cost, improved wind energy utilization.Simultaneously, magnet steel and outer steel in rotor is provided with have formed the independent magnetic circuit of inside and outside two covers, and interior external magnetic circuit does not disturb mutually, working stability.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure: 1 casing, 2 external stator cores, 3 external stator windings, 4 outer steels, 5 rotor field spiders, 6 front end housings, magnet steel in 7,8 fore bearings, 9 moving axis, 10 sealing devices, 11 internal stator windings, 12 inner-stator iron cores, 13 internal stator supports, 14 rear bearings, 15 dead axles, 16 rear end caps, 17 rotors.
Embodiment
As shown in Figure 1, a kind of double-stator permanent magnet generator of the present utility model, comprise casing 1, be provided with stator in the casing 1, rotor 17, but dead axle 15 and with the moving axis 9 of dead axle 15 sockets and axial rotation, moving axis 9 drives and connects rotor 17, stator comprises concentric annular external stator and internal stator, internal stator comprises inner-stator iron core 12 and internal stator winding 11, external stator comprises external stator core 2 and external stator winding 3, rotor 17 is between external stator and internal stator, under the drive of moving axis 9, rotor 17 rotates between internal stator and external stator, magnet steel 7 and outer steel 4 in the inner surface of rotor 17 and outer surface are respectively arranged with.Rotor 17 is connected with the rotor field spider 5 perpendicular to the moving axis center line, moving axis 9 is connected on the rotor field spider 5, casing 1 comprises housing, front end housing 6 and rear end cap 16, front end housing 6 is an annular, the interior center circle edge of front end housing 6 bends inwards and be provided with sealing device between end and rotor field spider 5, can play sealing function, prevent that dust impurity from entering in the casing.Dead axle 15 is a hollow-core construction, and dead axle 15 ends are provided with the shelves platform that turns up, and the shelves platform is connected the outside of rear end cap 16.The fore bearing 8 and the rear bearing 14 at interval before and after being provided with in the dead axle 15, moving axis 9 is enclosed within the dead axle 15 by fore bearing 8 and rear bearing 14.Internal stator is fixed on the dead axle 15 by internal stator support 13.Casing 1 is provided with radiating ribs, and rear end cap 16 is provided with radiator fan.Rotor field spider 5 has rigidity and flexibility to a certain degree on the moving axis centerline direction.
The foregoing description is described to be in order to specify this patent; though describe by specific term in the literary composition; but can not limit the protection range of this patent with this; being familiar with the personage of this technical field can be after the spirit of understanding this patent and principle change or revises it and reach equivalent purpose; and this equivalence change and modification all should be covered by the claim scope and define in the category.
Claims (7)
1. double-stator permanent magnet generator, comprise casing, but be provided with in the described casing stator, rotor, dead axle and with the moving axis of dead axle socket and axial rotation, described moving axis drives and connects rotor, described stator comprises stator core and stator winding, it is characterized in that: described stator comprises concentric annular external stator and internal stator, and described rotor is between external stator and internal stator, and the inner surface and the outer surface of rotor are provided with magnet steel.
2. according to the described double-stator permanent magnet generator of claim 1, it is characterized in that: described rotor is connected with the rotor field spider perpendicular to the moving axis center line, moving axis is connected on the rotor field spider, described casing comprises housing, front end housing and rear end cap, described front end housing is an annular, and the interior center circle edge of front end housing bends inwards and be provided with sealing device between end and rotor field spider.
3. according to the described double-stator permanent magnet generator of claim 1, it is characterized in that: the stator core length of described external stator is 1.1 ~ 2.0 times of stator core length of internal stator.
4. according to claim 1 or 2 described double-stator permanent magnet generators, it is characterized in that: described dead axle is a hollow-core construction, and the dead axle end is provided with the shelves platform that turns up, and the shelves platform is connected the outside of rear end cap.
5. according to the described double-stator permanent magnet generator of claim 1, it is characterized in that: the fore bearing and the rear bearing at interval before and after being provided with in the described dead axle, described moving axis is enclosed within the dead axle by fore bearing and rear bearing.
6. according to the described double-stator permanent magnet generator of claim 1, it is characterized in that: described internal stator is fixed on the dead axle by the internal stator support.
7. according to claim 1 or 2 described double-stator permanent magnet generators, it is characterized in that: described casing is provided with radiating ribs, and rear end cap is provided with radiator fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200026056U CN201928170U (en) | 2011-01-06 | 2011-01-06 | Double-stator permanent magnet generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200026056U CN201928170U (en) | 2011-01-06 | 2011-01-06 | Double-stator permanent magnet generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201928170U true CN201928170U (en) | 2011-08-10 |
Family
ID=44432005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200026056U Expired - Fee Related CN201928170U (en) | 2011-01-06 | 2011-01-06 | Double-stator permanent magnet generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201928170U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103151886A (en) * | 2013-02-27 | 2013-06-12 | 东南大学 | Rotor magnetism gathering type two-stator field modulation permanent magnet generator |
| CN104052219A (en) * | 2014-06-24 | 2014-09-17 | 江苏大学 | Magnetic suspension double-stator permanent magnetic wind generator |
| CN106849503A (en) * | 2017-04-06 | 2017-06-13 | 宁德时代电机科技有限公司 | A kind of permanent-magnetic outer rotor motor of the built-in fan blade of the high-power nodal wood type of small volume |
| WO2021080416A1 (en) * | 2019-10-25 | 2021-04-29 | Green Hybrid Technology, S.A. De C.V. | Magnetic generator device for the production of alternating current |
-
2011
- 2011-01-06 CN CN2011200026056U patent/CN201928170U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103151886A (en) * | 2013-02-27 | 2013-06-12 | 东南大学 | Rotor magnetism gathering type two-stator field modulation permanent magnet generator |
| CN104052219A (en) * | 2014-06-24 | 2014-09-17 | 江苏大学 | Magnetic suspension double-stator permanent magnetic wind generator |
| CN106849503A (en) * | 2017-04-06 | 2017-06-13 | 宁德时代电机科技有限公司 | A kind of permanent-magnetic outer rotor motor of the built-in fan blade of the high-power nodal wood type of small volume |
| WO2021080416A1 (en) * | 2019-10-25 | 2021-04-29 | Green Hybrid Technology, S.A. De C.V. | Magnetic generator device for the production of alternating current |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20140106 |