CN202280574U - Vertical axis wind energy power generation system applying magnetic levitation technology - Google Patents
Vertical axis wind energy power generation system applying magnetic levitation technology Download PDFInfo
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- CN202280574U CN202280574U CN 201120359887 CN201120359887U CN202280574U CN 202280574 U CN202280574 U CN 202280574U CN 201120359887 CN201120359887 CN 201120359887 CN 201120359887 U CN201120359887 U CN 201120359887U CN 202280574 U CN202280574 U CN 202280574U
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- vertical shaft
- magnetic levitation
- power generation
- wind energy
- generation system
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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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- 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
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
Abstract
The utility model discloses a vertical axis wind energy power generation system applying a magnetic levitation technology. The system comprises a base, a vertical axis, a radial flow impeller, an axial flow impellor, a magnetic levitation bearing and a power generator set; the vertical axis is fixedly installed on the base; the radial flow impeller is installed on the vertical axis through a magnetic levitation bearing; the axial flow impellor is installed on the vertical axis above the axial flow impellor through the magnetic levitation bearing; and the radial flow impeller and the axial flow impellor are respectively connected to the power generator set. According to the utility model, the magnetic levitation technology is adopted, the mechanical friction is reduced, at the same time, the design features of the axial and radial impellors are combined, the wind energy utilization ratio is improved greatly, and further the power generation efficiency is improved.
Description
Technical field
The utility model relates to sends out vertical shaft electric system field, particularly relates to a kind of vertical shaft wind energy power generation system of having used magnetic levitation technology.
Background technique
THE WIND ENERGY RESOURCES IN CHINA is abundant; About 1,000,000,000 kilowatts of the wind energy content that can develop; According to Eleventh Five-Year Plan, the year two thousand twenty China wind-force capacity of installed generator will reach 3,000 ten thousand kilowatts and 60,000,000,000 kilowatt hour electric weight, and the year two thousand thirty electric motor power will reach 100,000,000 kilowatts and 2,000 hundred million kilowatt hour electric weight.Various countries department also attaches great importance to the development of wind-powered electricity generation industry, and since calendar year 2001, global annual wind-powered electricity generation electric motor power growth rate is 20%～30%, only just increases by the wind-powered electricity generation electric motor power of 20 GW in 2007, is roughly equal to 31,000,000,000 dollars.
Wind-power electricity generation year increased all about 50% the America and Europe in recent years.So huge market is that China wind power equipment manufacturing enterprise provides rare opportunity to develop.Add that country supports wind-driven generator manufacturing production domesticization and cultivates independent brand; Complete machine manufacturing enterprise and component manufacturing enterprise to megawatt-level wind unit with independent intellectual property right and independent brand give the fund subsidy, encourage enterprise to carry out research and development, process modification and the experiment and demonstration of new product.According to the target that proposes in National Development and Reform Committee's " renewable energy sources medium-term and long-term development plan ", the wind-powered electricity generation of China install 2010 4000000 kilowatts, 2015 1000 ten thousand kilowatts, 2,000 ten thousand kilowatts of the year two thousand twenties, wind-powered electricity generation installation when the time comes accounts for 2% of national electric power installation.In order to realize this goal, need MW class wind turbine 4000-20000 platform at least, the market demand is huge.Because of at present the wind energy conversion system cost is too high, even wind power cost exceeds 2/3 than thermoelectricity cost, therefore, though advantage such as that wind-powered electricity generation has is pollution-free, can regenerate is difficult to large-scale promotion.
At present; Vertical shaft wind motor reaches its maturity; Its cost of electricity-generating is than the also low two one-tenth 10000 watts of wind energy conversion system products of Duoing of thermoelectricity, and it can further develop the huge wind energy conversion system more than 1000 kilowatts fully, to realize large-scale promotion; Change is main world energy sources general layout with the thermoelectricity, alleviates the harm that pollution of atmosphere is warmed greatly.Under the domination of price rule, wind energy has been had ready conditions and has been popularized in an all-round way, thereby substitutes the main energy sources that thermoelectricity becomes the new century.
The average growth rate per annum of global wind-powered electricity generation accumulative total electric motor power is near 30% over past ten years; And the nearly 3 years wind-powered electricity generation installation average growth rate per annum of China has surpassed 70%; China is the fastest-rising market of present global wind-power electricity generation; The wind-powered electricity generation industry becomes a Chaoyang industry that development space is huge gradually under background severe day by day in the shortage of current global energy, environmental pollution situation, that the requirement of energy-saving and emission-reduction is constantly strengthened.
The model utility content
The utility model acts on above-mentioned idea of development, and a kind of vertical shaft wind energy power generation system of using magnetic levitation technology is provided.The utility model has adopted magnetic levitation technology, has reduced mechanical friction, combines simultaneously axially and the design feature of radial impeller, has increased substantially utilization ratio of wind energy, and then has improved generating efficiency.
In order to achieve the above object, the technological scheme that the utility model provided is: a kind of vertical shaft wind energy power generation system of using magnetic levitation technology comprises pedestal, vertical shaft, radial-flow impeller, axial-flow blower, magnetic suspension bearing and generator set; Said vertical shaft is packed on the pedestal, and said radial-flow impeller is installed on the vertical shaft through magnetic suspension bearing, and said axial-flow blower is installed on the vertical shaft of axial-flow blower top through magnetic suspension bearing; Radial-flow impeller is connected said generator set respectively with axial-flow blower, and said control unit connects the control generator set.
Further, be provided with the generating cabin in the said vertical shaft.
Further, said radial-flow impeller radially is the most effectively windward side.
Further, the axial of said axial-flow blower is the most effective windward side.
Further, said magnetic suspension bearing is the ring-type composite structure of being made by permanent magnet.
Further, also comprise lightning conductor, said lightning conductor is installed in the top of said vertical shaft, and is connected to the discharge ground wire.
Further, the blade of said radial-flow impeller is a hollow structure, is provided with dividing plate and shaping board in it, and blade pass is crossed steel wire and is packed on the wheel rotation assembly.
Further, said blade, dividing plate and shaping board are processed by aluminium.
Further, said lightning conductor is the taper tubular of aluminium matter, is divided into multistage, and the center is provided with high-altitude observation ward.
Adopt technique scheme, the technique effect of the utility model has:
1. the innovative point one of the utility model: vertical shaft is fixing not to rotate, and can effectively improve the whole stability of power generation system.
2. the innovative point two of the utility model: radial and axial impeller Combination application, remove and can utilize common footpath aweather, can also utilize heat energy wind radially and generate electricity through the radial slack wind behind the radial impeller, improved utilization ratio of wind energy.
3. the innovative point three of the utility model: the application of the utility model magnetic levitation technology; In the equipment operation process, can effectively reduce a large amount of because of parts surface friction drag spent energy and equipment frictional loss, and then the direct generating efficiency that improves complete machine effectively.
Description of drawings
Fig. 1 is the utility model embodiment's a main structure schematic representation;
Fig. 2 is the blade arrangement plan view of the utility model embodiment's radial-flow impeller;
Fig. 3 is the blade structure schematic representation of the utility model embodiment's radial-flow impeller;
Fig. 4 is the utility model embodiment's an axial-flow blower structural representation;
Fig. 5 is the magnetic suspension bearing schematic representation of the utility model.
Wherein: 1 pedestal, 2 vertical shaftes, 3 radial-flow impellers, 31 blades, 32 dividing plates, 33 shaping boards, 34 steel wires, 4 axial-flow blowers, 5 magnetic suspension bearings, 6 generator set, 7 lightning conductor, 71 high-altitude observation ward.
Embodiment
We are through reaching the years of researches design and the improvement of constantly bringing forth new ideas; The utility model is successful development; And got into the trial-production program, this new feature, high efficiency, new ideas, the MW class vertical axis aerogenerator that can adapt to different classes of wind-resources be about to come out soon.
Embodiment below in conjunction with description of drawings the utility model.
A kind of vertical shaft wind energy power generation system of using magnetic levitation technology as shown in Figure 1 comprises pedestal 1, vertical shaft 2, radial-flow impeller 3, axial-flow blower 4, magnetic suspension bearing 5 and generator set 6; Vertical shaft 2 is packed on the pedestal 1; Pedestal 1 is according to construction ground geological condition; Be preferably concrete for making (, can adopt the rock-fill concrete technical matters), preset the metallic steel structure in it and play antihunt action (generally selecting effective antidetonation 30 time limits) according to local seismographic record according to actual conditions for reducing cost with suitable cement grade; Practical implementation will confirm that pedestal 1 is used for power generation system is fixed on the ground according to the job location geological condition; The vertical shaft 2 that fixedly installs is used to guarantee the coaxality of radial-flow impeller 3 and axial-flow blower 4; And the stability in the time of can improving operation of electric power system; In vertical shaft 2, be provided with the generating cabin; Be provided with generator set 6 in the generating cabin, radial-flow impeller 3 is connected generator set 9 respectively with axial-flow blower 4, utilizes the impeller-driven generator set to generate electricity.
Radial-flow impeller 3 (like Fig. 1,2, shown in 3) is installed on the vertical shaft 2 through magnetic suspension bearing 5; Radially being of its impeller can utilize the footpath aweather to drive its rotation in the most effectively windward side, and then realizes wind-power electricity generation; The magnetic suspension bearing 5 that the utility model adopts is installed in the bottom and the inner circumference (like Fig. 1,6) of radial-flow impeller 3; The magnetic suspension bearing of bottom is realized the axially unsettled of impeller, and the magnetic suspension bearing that inner circumference is provided with is realized the radially unsettled of impeller, realizes radial-flow impeller 3 non-contacting being sleeved on the vertical shaft 2 with this; Can reduce the surface friction drag of rotation, improve generating efficiency; Wherein the blade 31 (like Fig. 3) of radial-flow impeller 3 preferably is set to hollow structure; Be provided with dividing plate 32 and shaping board 33 in it; Blade 31 is packed on the wheel rotation assembly through steel wire 34, and blade 31, dividing plate 32 and shaping board 33 be preferably by aluminium and process, and the linkage structure of steel wire 34 has the effect of certain auxiliary axial restraint; And alleviate fan blade assembly rotating part weight, totally reduce cost.
Axial-flow blower 4 (like Fig. 1,4) is installed in through magnetic suspension bearing 5 on the vertical shaft 2 of axial-flow blower 4 tops, and the axial of its impeller is the most effective windward side, and the footpath is aweather through behind the radial-flow impeller 3; Be transformed into vertically air-flow up; Utilize this air-flow and because of the temperature difference formed from ground up air-flow and common footpath aweather live axle stream impeller 4 rotate, and then realize wind-power electricity generation, the same with magnetic suspension bearing 5 mounting types of radial-flow impeller 3; Magnetic suspension bearing 5 is installed in the bottom and the inner circumference (like Fig. 1,5) of axial-flow blower 4; The magnetic suspension bearing of bottom is realized the axially unsettled of impeller, and the magnetic suspension bearing that inner circumference is provided with is realized the radially unsettled of impeller, realizes axial-flow blower 4 non-contacting being sleeved on the vertical shaft 2 with this; Can reduce the surface friction drag of rotation, improve generating efficiency;
The utility model also comprises lightning conductor 7 (like Fig. 1), and said lightning conductor 7 is installed in the top of said vertical shaft 2, and is connected to the discharge ground wire, and lightning conductor 7 preferably is set to the taper tubular of aluminium matter, is divided into multistage, and the center is provided with high-altitude observation ward 71.
The application of the utility model magnetic levitation technology is under the less situation of power generation system output total output, in order to increase generated energy; And the solution of the increase transformation of energy effect of design, basic principle does, and is as shown in Figure 5; Permanent magnet is made as the major diameter associative ring, utilizes the repulsion of permanent magnet, two magnet ring same polarity mirror images is opposed and fix; Adopt many circle designs, then formed superhuge frictionless magnetic suspension bearing, because no surface friction drag; So can be efficiently with transformation of energy and output, through experiment, this device can narrow down to below the 3m/s starting wind speed.
During concrete operation; The footpath aweather directly drives radial-flow impeller 3 and rotates with axial-flow blower 4, and simultaneously, the footpath is aweather changed axial wind into after radial-flow impeller 3 actings; Up be blown into axial-flow blower 4; Combined ground further quickens the rotation of axial-flow blower 4 because of the air-flow up that hot-fluid forms, and drives corresponding generator for electricity generation.Especially, the application of magnetic suspension bearing 5 has reduced surface friction drag, has improved generating efficiency greatly, and through experiment, minimum wind speed 3m/s can generate electricity.
What should explain at last is; Above embodiment is only unrestricted in order to the technological scheme of explanation the utility model; Although with reference to preferred embodiment the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technological scheme of the utility model; And not breaking away from the spirit and the scope of the utility model technological scheme, it all should be encompassed in the middle of the claim scope of the utility model.
Claims (9)
1. a vertical shaft wind energy power generation system of using magnetic levitation technology is characterized in that: comprise pedestal (1), vertical shaft (2), radial-flow impeller (3), axial-flow blower (4), magnetic suspension bearing (5) and generator set (6); Said vertical shaft (2) is packed on the pedestal (1); Said radial-flow impeller (3) is installed on the vertical shaft (2) through magnetic suspension bearing (5), and said axial-flow blower (4) is installed on the vertical shaft (2) of axial-flow blower (4) top through magnetic suspension bearing (5); Radial-flow impeller (3) is connected said generator set (9) respectively with axial-flow blower (4).
2. the vertical shaft wind energy power generation system of application magnetic levitation technology according to claim 1 is characterized in that: said vertical shaft is provided with the generating cabin in (2).
3. the vertical shaft wind energy power generation system of application magnetic levitation technology according to claim 1 is characterized in that: said radial-flow impeller (3) radially be the most effectively windward side.
4. the vertical shaft wind energy power generation system of application magnetic levitation technology according to claim 1 is characterized in that: the axial of said axial-flow blower (4) is the most effective windward side.
5. the vertical shaft wind energy power generation system of application magnetic levitation technology according to claim 1 is characterized in that: said magnetic suspension bearing (5) is the ring-type composite structure of being made by permanent magnet.
6. the vertical shaft wind energy power generation system of application magnetic levitation technology according to claim 1 is characterized in that: also comprise lightning conductor (7), said lightning conductor (7) is installed in the top of said vertical shaft (2), and is connected to the discharge ground wire.
7. the vertical shaft wind energy power generation system of application magnetic levitation technology according to claim 3; It is characterized in that: the blade (31) of said radial-flow impeller (3) is a hollow structure; Be provided with dividing plate (32) and shaping board (33) in it, blade (31) is packed on the wheel rotation assembly through steel wire (64).
8. the vertical shaft wind energy power generation system of application magnetic levitation technology according to claim 7 is characterized in that: said blade (31), dividing plate (32) and shaping board (33) are processed by aluminium.
9. the vertical shaft wind energy power generation system of application magnetic levitation technology according to claim 6 is characterized in that: said lightning conductor (7) is divided into multistage for the taper tubular of aluminium matter, and the center is provided with high-altitude observation ward (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120359887 CN202280574U (en) | 2011-09-23 | 2011-09-23 | Vertical axis wind energy power generation system applying magnetic levitation technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120359887 CN202280574U (en) | 2011-09-23 | 2011-09-23 | Vertical axis wind energy power generation system applying magnetic levitation technology |
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| Publication Number | Publication Date |
|---|---|
| CN202280574U true CN202280574U (en) | 2012-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120359887 Expired - Lifetime CN202280574U (en) | 2011-09-23 | 2011-09-23 | Vertical axis wind energy power generation system applying magnetic levitation technology |
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| Country | Link |
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| CN (1) | CN202280574U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734064A (en) * | 2012-07-19 | 2012-10-17 | 江苏元中直流微电网有限公司 | Vertical magnetic suspension wind driven generator with internal resistance type blades |
-
2011
- 2011-09-23 CN CN 201120359887 patent/CN202280574U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734064A (en) * | 2012-07-19 | 2012-10-17 | 江苏元中直流微电网有限公司 | Vertical magnetic suspension wind driven generator with internal resistance type blades |
| CN102734064B (en) * | 2012-07-19 | 2015-07-01 | 江苏元中直流微电网有限公司 | Vertical magnetic suspension wind driven generator with internal resistance type blades |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160418 Address after: 101106, No. 43, national defense Road, West Town, Beijing, Tongzhou District. A53 Patentee after: Li Zengmin Address before: 100068 Beijing city Fengtai District No. 18 Feng Zhu Yuan a District No. 31-3 Patentee before: Jiahao New Energy Investment Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120620 |