CN205051486U - Duplex bearing inner rotor direct -driven wind turbine generators - Google Patents
Duplex bearing inner rotor direct -driven wind turbine generators Download PDFInfo
- Publication number
- CN205051486U CN205051486U CN201520755607.0U CN201520755607U CN205051486U CN 205051486 U CN205051486 U CN 205051486U CN 201520755607 U CN201520755607 U CN 201520755607U CN 205051486 U CN205051486 U CN 205051486U
- Authority
- CN
- China
- Prior art keywords
- rotor
- moving axis
- support
- bearing
- duplex bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The utility model relates to a duplex bearing inner rotor direct -driven wind turbine generators has the moving axis, the moving axis on install the frame through the bearing, the one end of frame is equipped with the fixed plate, the other end of frame is equipped with the protection casing, be equipped with the toper backup pad between moving axis and the fixed plate, be equipped with the first rotor extension board on the moving axis, be equipped with stator core between the first rotor extension board and the frame, stator core's lower extreme is equipped with the rotor, be equipped with the the second rotor extension board between rotor and the first rotor extension board, guarantee to export electric power under the slow -speed of revolution, need not the gearbox, direct output sinusoidal ac, the efficiency of output is improved and life, the failure rate is reduced, it is better to adopt the duplex bearing to support the reliability, the forced air -cooling, good cooling effect, the bearing is cheap, bearing production cycle is short.
Description
Technical field
The utility model relates to a kind of duplex bearing internal rotor direct-drive aerogenerator.
Background technology
In recent years, in global range, wind power generation development is swift and violent, has become fastest-rising new forms of energy.Due to unsteadiness and the requirement of catching maximal wind-energy of wind energy, engine speed is in continuous change, and rotates up and down through synchronous speed of being everlasting, and existing wind-driven generator is because gearbox designs is complicated, exercise load is large, its useful life is short, and failure rate is high; The usual volume of medium-and-large-sized wind-driven generator is comparatively large, and commutation inversion production cost is high, and its failure rate and useful life are all undesirable; The problem that common direct wind-driven generator inner space utilance is low, the shortcomings such as cooling, radiating effect difference.
Utility model content
The technical problems to be solved in the utility model is: overcome the deficiency in prior art, and provide a kind of duplex bearing that adopts to support reliability better, air blast cooling, good cooling results, bearing is cheap, the duplex bearing internal rotor direct-drive aerogenerator that the Production of bearing cycle is short.
The utility model solves the technical scheme that its technical problem adopts: a kind of duplex bearing internal rotor direct-drive aerogenerator, there is moving axis, described moving axis is provided with support by bearing, one end of support is provided with fixed head, the other end of support is provided with protective cover, taper support plate is provided with between moving axis and fixed head, moving axis is provided with the first rotor support plate, stator core is provided with between the first rotor support plate and support, the lower end of stator core is provided with rotor, is provided with the second rotor support shield between rotor and the first rotor support plate.
Further, triangle is formed between described the first rotor support plate, the second rotor support shield and rotor.
Further, the center position of described rotor is provided with rotating shaft, and the external peripheral surface of rotating shaft is provided with conductive magnetic yoke, conductive magnetic yoke be circumferentially provided with some permanent magnets, be provided with viscose between two permanent magnets.
Further, what described permanent magnet adopted is that rubidium iron B permanent magnetic material is made.
The beneficial effects of the utility model are: the utility model ensures output power at the low rotational speed, without the need to gearbox, direct output sinusoidal ac, improve delivery efficiency and useful life, decrease failure rate, duplex bearing is adopted to support reliability better, air blast cooling, good cooling results, bearing is cheap, and the Production of bearing cycle is short.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is rotor structure schematic diagram of the present utility model.
1. moving axis, 2. support, 3. fixed head, 4. protective cover in figure, 5. taper support plate, 6. the first rotor support plate, 7. stator core, 8. the second rotor support shield, 9. rotor, 10. rotating shaft, 11. conductive magnetic yoke, 12. permanent magnets, 13. viscoses, 14. bearing chambers.
Embodiment
By reference to the accompanying drawings the utility model is further described now.The schematic diagram that these accompanying drawings are simplification only illustrates basic structure of the present utility model in a schematic way, and therefore it only shows the formation relevant with the utility model.
A kind of duplex bearing internal rotor direct-drive aerogenerator as shown in Fig. 1 ~ 2, there is moving axis 1, moving axis 1 is provided with support 2 by bearing, one end of support 2 is provided with fixed head 3, and the other end of support 2 is provided with protective cover 4, is provided with taper support plate 5 between moving axis 1 and fixed head 3, moving axis 1 is provided with the first rotor support plate 6, be provided with stator core 7 between the first rotor support plate 6 and support 2, the lower end of stator core 7 is provided with rotor 9, is provided with the second rotor support shield 8 between rotor 9 and the first rotor support plate 6.
Triangle is formed between the first rotor support plate 6, second rotor support shield 8 and rotor 9, the center position of described rotor 9 is provided with rotating shaft 10, the external peripheral surface of rotating shaft 10 is provided with conductive magnetic yoke 11, conductive magnetic yoke 11 be circumferentially provided with some permanent magnets 12, be provided with viscose 13 between two permanent magnets 12, what described permanent magnet 12 adopted is that rubidium iron B permanent magnetic material is made.
It is an entirety that concrete stator core 7, support 2, fixed head 3 and taper support plate 5 are interconnected with one another, and the standing part forming motor is coordinated with bearing inner race, the first rotor support plate 6 and the second rotor support shield 8 are connected with bearing chamber 14, and coordinate the running part forming motor with bearing outer ring;
Rotor 9 girth is larger, the design of more multi-pole can be obtained, improve the reliability of rotor, good heat dissipation effect, permanent magnet 12 has good magnetic property, comprise thermal stability, magnetic stability, chemical stability and time stability, therefore select the permanent magnetic material that working temperature point is high, make generator operation at the straight line portion of permanent magnetic material demagnetization curve; Rubidium iron B permanent magnetic material is good selection, rubidium iron B permanent magnetic material magnetic property is higher than rare-earth cobalt permanent magnet, it is the permanent magnetic material of current magnetic property sitting height, and not containing strategic materials cobalt, price is also more cheap than Rare-Earth Cobalt many, rubidium iron B permanent magnetic material is due to containing a large amount of iron and neodymium, and easy corrosion, in the surface coating process of permanent magnet 12.
Above-mentioned execution mode is only for illustrating technical conceive of the present utility model and feature; its object is to person skilled in the art can be understood content of the present utility model and be implemented; protection range of the present utility model can not be limited with this; all equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed in protection range of the present utility model.
Claims (4)
1. a duplex bearing internal rotor direct-drive aerogenerator, there is moving axis (1), it is characterized in that: described moving axis (1) is provided with support (2) by bearing, one end of support (2) is provided with fixed head (3), the other end of support (2) is provided with protective cover (4), taper support plate (5) is provided with between moving axis (1) and fixed head (3), moving axis (1) is provided with the first rotor support plate (6), stator core (7) is provided with between the first rotor support plate (6) and support (2), the lower end of stator core (7) is provided with rotor (9), the second rotor support shield (8) is provided with between rotor (9) and the first rotor support plate (6).
2. duplex bearing internal rotor direct-drive aerogenerator according to claim 1, is characterized in that: form triangle between described the first rotor support plate (6), the second rotor support shield (8) and rotor (9).
3. duplex bearing internal rotor direct-drive aerogenerator according to claim 1, it is characterized in that: the center position of described rotor (9) is provided with rotating shaft (10), the external peripheral surface of rotating shaft (10) is provided with conductive magnetic yoke (11), conductive magnetic yoke (11) be circumferentially provided with some permanent magnets (12), be provided with viscose (13) between two permanent magnets (12).
4. duplex bearing internal rotor direct-drive aerogenerator according to claim 3, is characterized in that: what described permanent magnet (12) adopted is that rubidium iron B permanent magnetic material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520755607.0U CN205051486U (en) | 2015-09-25 | 2015-09-25 | Duplex bearing inner rotor direct -driven wind turbine generators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520755607.0U CN205051486U (en) | 2015-09-25 | 2015-09-25 | Duplex bearing inner rotor direct -driven wind turbine generators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205051486U true CN205051486U (en) | 2016-02-24 |
Family
ID=55345028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520755607.0U Expired - Fee Related CN205051486U (en) | 2015-09-25 | 2015-09-25 | Duplex bearing inner rotor direct -driven wind turbine generators |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205051486U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110486237A (en) * | 2019-09-04 | 2019-11-22 | 东方电气集团东方电机有限公司 | A kind of megawatt-level low-speed direct wind-driven generator shafting device |
-
2015
- 2015-09-25 CN CN201520755607.0U patent/CN205051486U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110486237A (en) * | 2019-09-04 | 2019-11-22 | 东方电气集团东方电机有限公司 | A kind of megawatt-level low-speed direct wind-driven generator shafting device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160224 Termination date: 20160925 |