CN201714584U - Novel magnetic suspending wind power generator - Google Patents
Novel magnetic suspending wind power generator Download PDFInfo
- Publication number
- CN201714584U CN201714584U CN2010202501276U CN201020250127U CN201714584U CN 201714584 U CN201714584 U CN 201714584U CN 2010202501276 U CN2010202501276 U CN 2010202501276U CN 201020250127 U CN201020250127 U CN 201020250127U CN 201714584 U CN201714584 U CN 201714584U
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- Prior art keywords
- bearing
- axial
- magnetic bearing
- radial direction
- protection
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
- F16C32/0406—Magnetic bearings
- F16C32/044—Active magnetic bearings
- F16C32/0474—Active magnetic bearings for rotary movement
- F16C32/0489—Active magnetic bearings for rotary movement with active support of five degrees of freedom, e.g. two radial magnetic bearings combined with an axial bearing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2360/00—Engines or pumps
- F16C2360/31—Wind motors
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a novel magnetic suspending wind power generator, and blades, a front protective bearing, a front radial magnetic bearing, a radial sensor support, a generator stator, a generator rotor, an axial magnetic bearing, a rear radial magnetic bearing, a rear protective bearing and an axial sensor support thereof are arranged along the axial direction; a front radial protective gap is formed between the front shaft end of the rotating shaft of a fan and the front protective bearing, a rear radial protective gap is formed between the rear shaft end of the rotating shaft of the fan and the rear protective bearing, simultaneously, a front axial protective gap is formed between the front shaft shoulder of the rotating shaft of the fan and the front protective bearing in the axial direction, a rear axial protective gap is formed between the rear shaft shoulder thereof and the rear protective bearing in the axial direction; and both the radial magnetic bearing and the axial magnetic bearing are electromagnetic-control active magnetic suspending bearings. The novel magnetic suspending wind power generator adopts the active magnetic suspending bearings to lead the rotational part and the nonrotational part to be completely separated from each other, realizes the five-freedom-degree suspension of the rotor, eliminates the mechanical friction and wear completely and reduces the starting wind speed of the fan effectively.
Description
Technical field
The utility model relates to wind power plant, particularly a kind of magnetic suspending wind turbine generator, and being used for wind energy transformation is electric energy.
Background technique
Wind energy has clean environment firendly, reproducible characteristics, and the distribution region is vast, is convenient to utilize, and is a kind of novel energy that has development prospect.Because the wind that nature produced is variable direction not only, and the wind-force size is also indefinite, this has just proposed very high requirement to wind-driven generator.Present wind-driven generator mostly is a mechanical type bearing wind-driven generator, it starts the wind speed requirement minimum is 3m/s～4m/s, and for the most of places of China, most of the time wind-force is all below 3m/s in 1 year, this can cause a large amount of wind resource wastes, if can reduce the startup wind speed of generator, not only can improve the usefulness of utilizing of wind power plant, but also can bring economic benefit and social benefit.
Common wind-driven generator generally adopts mechanical bearing support rotor system, there are more serious friction and wear in rotating part and nonrotational part during fan operation, add that axle itself also has deadweight, therefore at present general higher the and output power of the starting resistance square of mechanical type wind-driven generator, starting wind velocity, incision wind speed is low promptly three high one low, in order to make full use of wind resource, reduce the startup wind speed of wind-driven generator, adopt magnetic levitation technology to eliminate the influence of gravity, reduce mechanical friction and wearing and tearing.Magnetic suspending wind turbine generator of the prior art, the rotor-support-foundation system that has is to offset rotor portion gravity by permanent-magnet suspension bearing, this situation can only weaken the influence of rotor gravity to mechanical bearing to a certain extent, but blower fan still is in low friction running state, fundamentally do not eliminate rotating part and nonrotational mechanical friction problem partly, can not significantly reduce the starting wind velocity of blower fan.The magnetic suspending wind turbine generator that also has adopts the permanent magnetism passive magnetic bearing diametrically, axially go up and adopt a little steel ball to carry out supplemental support, finish fan rotor mechanical constraint in the axial direction, but this moment, still there was Mechanical Contact in the axial direction in fan rotor, and the stability and the anti-interference of system are relatively poor.
The model utility content
Task of the present utility model is to overcome the existing above-mentioned technical deficiency of wind-driven generator in the prior art, and a kind of novel magnetically levitated wind-driven generator is provided; It adopts the active magnetic bearings system, and rotating part separates fully with nonrotational part, can realize rotor five degree of freedom stable suspersion, eliminates mechanical friction and wearing and tearing fully, effectively reduces the starting wind velocity of blower fan.
Its technical solution is:
A kind of novel magnetically levitated wind-driven generator comprises fan blade, preceding protection bearing, preceding radial direction magnetic bearing, radial transducer support, generator unit stator and rotor, axial magnetic bearing, back radial direction magnetic bearing, fan shaft, back protection bearing, axial sensor support and frame; Above-mentioned blade, preceding protection bearing, preceding radial direction magnetic bearing, radial transducer support, generator unit stator and rotor, axial magnetic bearing, back radial direction magnetic bearing, back protection bearing and axial sensor support are provided with vertically; Wherein forward and backward protection bearing, the stationary part of forward and backward radial direction magnetic bearing, the stationary part of axial magnetic bearing, radially, the axial sensor support all is fixed on the frame; Fan blade is installed on the wheel hub, and wheel hub and fan shaft are connected; Radially protect the gap before forming diametrically between the preceding axle head of above-mentioned fan shaft and the preceding protection bearing, radially protect the gap after forming diametrically between axle head and the back protection bearing thereafter, simultaneously, form front axle between the preceding shaft shoulder of fan shaft and the preceding protection bearing in the axial direction to the protection gap, form axially protection gap, back thereafter between the shaft shoulder and the back protection bearing in the axial direction; Above-mentioned forward and backward radial direction magnetic bearing, and axial magnetic bearing is the active magnetic suspension bearing of Electromagnetic Control.
The stationary part of above-mentioned forward and backward radial direction magnetic bearing and rotor portion all adopt silicon steel plate stacking to form, and the stationary part of axial magnetic bearing and rotor portion also adopt silicon steel plate stacking to form.
Above-mentioned forward and backward radial direction magnetic bearing, and the working clearance of axial magnetic bearing be 0.3～0.5mm; Above-mentionedly forward and backwardly radially protect the gap, and forward and backward axial protection gap is 0.2mm～0.3mm.
The utlity model has following useful technique effect:
With regard to the utility model, when wind acts on the blade, fan blade drives fan shaft and rotates, and then all can rotate with the various piece that fan shaft is fixed together, blower fan is realized the stable suspersion of generator amature system by the supporting effect of forward and backward radial direction magnetic bearing and axial magnetic bearing.When the size variation of wind, the power that fan shaft is subjected to also can change thereupon, at this moment realize the stable suspersion of generator amature system by the control electric current of regulating radial direction magnetic bearing and axial magnetic bearing, wherein radial direction magnetic bearing is finished the radially control of translation and rotational freedom of generator amature, axial magnetic bearing is finished the stable control of the axial translational degree of freedom of generator amature, thereby realize its five degree of freedom stable suspersion control, can impel rotor-support-foundation system to be in state of suspension all the time by constantly adjusting electric current, and then guarantee its proper functioning, realize the stable conversion of wind energy to electric energy.This shows, the utility model adopts the active magnetic suspension bearing of Electromagnetic Control, by electromagnetic field control rotating part is separated fully with nonrotational part, realized rotor five degree of freedom stable suspersion, mechanical friction and wearing and tearing have been eliminated fully, effectively reduce the starting wind velocity of blower fan, improved wind energy utilization.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing and embodiment:
Figure is the overall structure principle schematic of a kind of mode of execution of the present utility model.
Embodiment
In conjunction with the accompanying drawings; a kind of novel magnetically levitated wind-driven generator comprises fan blade 1, preceding protection bearing 2, preceding radial direction magnetic bearing 3, radial transducer support 4, generator unit stator and rotor 5, axial magnetic bearing 6, back radial direction magnetic bearing 8, fan shaft 7, back protection bearing 9, axial sensor support 10 and frame.Above-mentioned blade 1, preceding protection bearing 2, preceding radial direction magnetic bearing 3, radial transducer support 4, generator unit stator and rotor 5, axial magnetic bearing 6, back radial direction magnetic bearing 8, back protection bearing 9 are provided with vertically with axial sensor support 10.The stationary part of protection bearing 2, back protection bearing 9, preceding radial direction magnetic bearing 3 wherein, the stationary part of the stationary part of back radial direction magnetic bearing 8, axial magnetic bearing 6, radial transducer support 4 and axial sensor support 10 all are fixed on the frame.Above-mentioned fan blade 1 is installed on the wheel hub, and wheel hub and fan shaft 7 are connected.Radially protect the gap before forming diametrically between the preceding axle head of above-mentioned fan shaft 7 and the preceding protection bearing 2, radially protect the gap after forming diametrically between axle head and the back protection bearing 9 thereafter; Simultaneously, form front axle between the preceding shaft shoulder of preceding protection bearing and fan shaft in the axial direction, form axially protection gap, back between the back shaft shoulder of back protection bearing and fan shaft in the axial direction to the protection gap.Radial direction magnetic bearing, back radial direction magnetic bearing before above-mentioned, and axial magnetic bearing is the active magnetic suspension bearing of Electromagnetic Control; More specifically mode is: the stationary part and the rotor portion of preceding radial direction magnetic bearing 3, back radial direction magnetic bearing 8 all adopt silicon steel plate stacking to form, and the stationary part of axial magnetic bearing 6 and rotor portion also adopt silicon steel plate stacking to form.Above-mentioned forward and backward radial direction magnetic bearing, and the working clearance of axial magnetic bearing be preferably 0.3～0.5mm; Above-mentionedly forward and backwardly radially protect the gap, and forward and backward axial protection gap is preferably 0.2mm～0.3mm.
Technology contents that other relevant with the utility model are not addressed such as automatically controlled part, other mechanical compositions part etc., those skilled in the art need not creative work behind this specification and should be able to realize by reading.
Claims (3)
1. a novel magnetically levitated wind-driven generator comprises fan blade, preceding protection bearing, preceding radial direction magnetic bearing, radial transducer support, generator unit stator and rotor, axial magnetic bearing, back radial direction magnetic bearing, fan shaft, back protection bearing, axial sensor support and frame; It is characterized in that: described blade, preceding protection bearing, preceding radial direction magnetic bearing, radial transducer support, generator unit stator and rotor, axial magnetic bearing, back radial direction magnetic bearing, back protection bearing and axial sensor support are provided with vertically; Wherein forward and backward protection bearing, the stationary part of forward and backward radial direction magnetic bearing, the stationary part of axial magnetic bearing, radially, the axial sensor support all is fixed on the frame; Fan blade is installed on the wheel hub, and wheel hub and fan shaft are connected; Radially protect the gap before forming diametrically between the preceding axle head of above-mentioned fan shaft and the preceding protection bearing, radially protect the gap after forming diametrically between axle head and the back protection bearing thereafter, simultaneously, form front axle between the preceding shaft shoulder of fan shaft and the preceding protection bearing in the axial direction to the protection gap, form axially protection gap, back thereafter between the shaft shoulder and the back protection bearing in the axial direction; Above-mentioned forward and backward radial direction magnetic bearing, and axial magnetic bearing is the active magnetic suspension bearing of Electromagnetic Control.
2. novel magnetically levitated wind-driven generator according to claim 1, it is characterized in that: the stationary part of described forward and backward radial direction magnetic bearing and rotor portion all adopt silicon steel plate stacking to form, and the stationary part of axial magnetic bearing and rotor portion also adopt silicon steel plate stacking to form.
3. novel magnetically levitated wind-driven generator according to claim 1 is characterized in that: described forward and backward radial direction magnetic bearing, and the working clearance of axial magnetic bearing be 0.3～0.5mm; Describedly forward and backwardly radially protect the gap, and forward and backward axial protection gap is 0.2mm～0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202501276U CN201714584U (en) | 2010-07-07 | 2010-07-07 | Novel magnetic suspending wind power generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202501276U CN201714584U (en) | 2010-07-07 | 2010-07-07 | Novel magnetic suspending wind power generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201714584U true CN201714584U (en) | 2011-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202501276U Expired - Fee Related CN201714584U (en) | 2010-07-07 | 2010-07-07 | Novel magnetic suspending wind power generator |
Country Status (1)
| Country | Link |
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| CN (1) | CN201714584U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105698869A (en) * | 2016-03-22 | 2016-06-22 | 河北工业大学 | Magnetic-levitation-principle-based wind direction and wind speed measuring device |
| CN106505780A (en) * | 2016-12-15 | 2017-03-15 | 南通金驰机电有限公司 | A kind of magnetic suspension permanent magnet direct-drive high-speed motor |
| CN107370322A (en) * | 2017-08-24 | 2017-11-21 | 莱克电气股份有限公司 | A kind of motor of dust collector and dust catcher |
| CN108930634A (en) * | 2017-05-22 | 2018-12-04 | 李受勋 | Wind power generation equipment of traffic vehicle |
| CN111052563A (en) * | 2017-06-30 | 2020-04-21 | 拉普兰塔-拉登理工大学 | Electric machine system |
| CN112177868A (en) * | 2019-07-01 | 2021-01-05 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Self-aligning magnetic suspension bearing system and generator |
| CN113389743A (en) * | 2020-03-13 | 2021-09-14 | 佛山市广鼓鼓风机有限公司 | Magnetic suspension fan |
| CN117595547A (en) * | 2024-01-18 | 2024-02-23 | 齐齐哈尔市君威节能科技有限公司 | Magnetic suspension breeze generator rotor winding and assembly equipment thereof |
| CN118508659A (en) * | 2024-07-22 | 2024-08-16 | 中节能（合肥）可再生能源有限公司 | Magnetic suspension generator |
-
2010
- 2010-07-07 CN CN2010202501276U patent/CN201714584U/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105698869B (en) * | 2016-03-22 | 2017-09-29 | 河北工业大学 | A kind of wind direction and wind velocity measurement apparatus based on magnetic suspension principle |
| CN105698869A (en) * | 2016-03-22 | 2016-06-22 | 河北工业大学 | Magnetic-levitation-principle-based wind direction and wind speed measuring device |
| CN106505780A (en) * | 2016-12-15 | 2017-03-15 | 南通金驰机电有限公司 | A kind of magnetic suspension permanent magnet direct-drive high-speed motor |
| CN106505780B (en) * | 2016-12-15 | 2024-03-26 | 南通金驰机电有限公司 | Magnetic suspension permanent magnet direct-drive high-speed motor |
| US10533536B2 (en) | 2017-05-22 | 2020-01-14 | Shou-Hsun LEE | Wind power generating device installed in a vehicle |
| CN108930634A (en) * | 2017-05-22 | 2018-12-04 | 李受勋 | Wind power generation equipment of traffic vehicle |
| CN111052563B (en) * | 2017-06-30 | 2022-08-23 | 拉普兰塔-拉登理工大学 | Electric machine system |
| CN111052563A (en) * | 2017-06-30 | 2020-04-21 | 拉普兰塔-拉登理工大学 | Electric machine system |
| CN107370322B (en) * | 2017-08-24 | 2021-12-07 | 莱克电气股份有限公司 | Dust collector motor and dust collector |
| WO2019037523A1 (en) * | 2017-08-24 | 2019-02-28 | 莱克电气股份有限公司 | Vacuum cleaner motor and vacuum cleaner |
| CN107370322A (en) * | 2017-08-24 | 2017-11-21 | 莱克电气股份有限公司 | A kind of motor of dust collector and dust catcher |
| CN112177868A (en) * | 2019-07-01 | 2021-01-05 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Self-aligning magnetic suspension bearing system and generator |
| CN112177868B (en) * | 2019-07-01 | 2022-04-12 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Self-aligning magnetic suspension bearing system and generator |
| CN113389743A (en) * | 2020-03-13 | 2021-09-14 | 佛山市广鼓鼓风机有限公司 | Magnetic suspension fan |
| CN117595547A (en) * | 2024-01-18 | 2024-02-23 | 齐齐哈尔市君威节能科技有限公司 | Magnetic suspension breeze generator rotor winding and assembly equipment thereof |
| CN117595547B (en) * | 2024-01-18 | 2024-04-02 | 齐齐哈尔市君威节能科技有限公司 | Magnetic suspension breeze generator rotor winding and assembly equipment thereof |
| CN118508659A (en) * | 2024-07-22 | 2024-08-16 | 中节能（合肥）可再生能源有限公司 | Magnetic suspension generator |
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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: 20110119 Termination date: 20120707 |