Luminous energy and the wind energy of application magnetic levitation technology divide gradient for power generation system
Technical field
The present invention relates to power generation system field, particularly relate to a kind of luminous energy and wind energy can be utilized to carry out generating electricity simultaneously and apply magnetic levitation technology mechanical friction efficient power generation system.
Background technique
THE WIND ENERGY RESOURCES IN CHINA is enriched, the wind energy content that can develop about 1,000,000,000 kilowatts, according to Eleventh Five-Year Plan, the year two thousand twenty China Wind Power capacity of installed generator will reach 3,000 ten thousand kilowatts and 60,000,000,000 kilowatt hour electricity, and the year two thousand thirty electric motor power will reach 100,000,000 kilowatts and 2,000 hundred million kilowatt hour electricity.National governments also attach great importance to the development of Wind Power Generation Industry, and since calendar year 2001, the annual installed capacity of wind-driven power growth rate in the whole world is 20% ~ 30%, only within 2007, just adds the installed capacity of wind-driven power of 20 GW, is roughly equal to 31,000,000,000 dollars.
Wind-power electricity generation year increased all about 50% America and Europe in recent years.So huge market is that wind power equipment manufacturing enterprise of China provides rare opportunity to develop.Add that country supports wind-driven generator manufacture production domesticization and cultivates independent brand, give fund subsidy to the complete machine manufacturing enterprise of megawatt-level wind unit and component manufacturing enterprise with independent intellectual property right and independent brand, encourage enterprise to carry out the research and development of new product, process modification and experiment and demonstration.According to the target proposed in National Development and Reform Committee's " planning of renewable energy sources Long-and Medium-term Development ", the wind-powered electricity generation of China install 2010 4000000 kilowatts, 2015 1000 ten thousand kilowatts, the year two thousand twenty 2000 ten thousand kilowatts, wind-powered electricity generation installation when the time comes accounts for 2% of the installation of national electric power.In order to realize this goal, at least need MW class wind turbine 4000-20000 platform, the market demand is huge.Because current wind energy conversion system cost is too high, even wind power cost exceeds 2/3 than thermoelectricity cost, therefore, though wind-powered electricity generation have pollution-free, the advantage such as to regenerate, be difficult to large-scale promotion.
At present; vertical shaft wind motor reaches its maturity; its cost of electricity-generating is than thermoelectricity also low two one-tenth many 10000 watts of wind energy conversion system products; it can further develop the huge wind energy conversion system of more than 1000 kilowatts completely; to realize large-scale promotion; change the world energy sources general layout based on thermoelectricity, greatly alleviate the harm that pollution of atmosphere is warmed.Under Price advisor domination, wind energy has been had ready conditions and has been popularized in an all-round way, thus substitutes the main energy sources that thermoelectricity becomes the new century.
Global wind-powered electricity generation adds up the average growth rate per annum of electric motor power close to 30% nearly ten years, and the China's wind-powered electricity generation of nearly 3 years installation average growth rate per annum has exceeded 70%, China is the current fastest-rising market of global wind-power electricity generation, wind-powered electricity generation industry, under background that is increasingly severe in Present Global energy shortage, environmental pollution situation, that constantly strengthen the requirement of energy-saving and emission-reduction, becomes the Chaoyang industry that a development space is huge gradually.
Summary of the invention
The present invention acts on above-mentioned idea of development, provides a kind of luminous energy and the wind energy point gradient for power generation system of applying magnetic levitation technology.The present invention simultaneously in conjunction with luminous energy and wind energy power, and can utilize axial wind, footpath aweather simultaneously, especially have employed magnetic levitation technology, decreases mechanical friction, simultaneously in conjunction with the design feature such as structure of air inducing post, has increased substantially generating efficiency.
In order to achieve the above object, technological scheme provided by the present invention is:
Apply luminous energy and the wind energy point gradient for power generation system of magnetic levitation technology, comprise pedestal, air inducing post, dome, device of solar generating, radial-flow impeller, axial-flow blower, generator and control unit; Described pedestal is provided with the air inducing post that cross section is fusiformis, described air inducing post is arranged by surrounding circumference clockwise or counterclockwise; Described dome mounts cover on the air inducing post surrounding circumference; Described device of solar generating is arranged in the outer wall of dome and air inducing post respectively; Described radial-flow impeller is arranged on air inducing post by magnetic suspension bearing and surrounds in circumference; Described axial-flow blower is arranged on radial-flow impeller by magnetic suspension bearing, and designs with radial-flow impeller coaxality; Described multiple generator connects radial-flow impeller and axial-flow blower respectively, described control unit connection control generator, divides gradient to start the generator of requirement according to wind energy value.
Further, the radial direction of described radial-flow impeller is the most effective windward side, and the footpath utilizing air inducing post to introduce aweather drives it to rotate.
Further, the axis of described axial-flow blower is the most effective windward side, the footpath that described air inducing post is introduced is aweather by after radial-flow impeller, be transformed into air-flow up vertically, utilize this air-flow and wind that the air-flow up from ground that formed because of the temperature difference and air inducing post are introduced drives axial flow wheel rotation.
Further, described magnetic suspension bearing is the annular combustion structure made by permanent magnet.
Further, described pedestal adopts concrete for making, is provided with generating cabin in its circle surrounded.
Further, also comprise lightning conductor, described lightning conductor is arranged on described dome top, and is connected to electric discharge ground wire.
Further, tele-control system is provided with in described control unit.
Further, the blade of described radial-flow impeller is hollow structure, is provided with dividing plate and shaping board in it, and blade is packed on wheel rotation assembly by steel wire.
Further, described blade, dividing plate and shaping board are made up of aluminium.
Further, described lightning conductor is the taper tubular of aluminium matter, is divided into multistage, is provided with high-altitude observation ward in the middle part of it.
Adopt technique scheme, technique effect of the present invention has:
1. innovative point one of the present invention: vertical fixing without axis--the wind in any direction of the present invention can generate electricity, and due to without axis, complete machine operational security is very high.Gyro free power and tower shadow effect in fan blade operation process, have better promoting effect to unit safety operation stable electric generation.Whole Equipment center of gravity is lower, and the devices such as generator set transmission, retarding braking are dispersed on each generator, makes installation, maintenance convenient and cost is lower.By force, strong wind time, deceleration, shutdown etc. operation can classification manipulation, easily safer--overall structure performance is more excellent.
2. innovative point two of the present invention: high-power--design proposal of the present invention can suit measures to local conditions to provide the noise free of more than multikilowatt, MW class, ten MW class and the green type of high conversion and local high efficiency air field by design cycle.
3. innovative point three of the present invention: high efficiency--the present invention has installed device of solar generating in outer wall, greatly make use of solar energy and (by narrow wall tube effect) sunlight infrared radiant energy and wind energy surplus to generate electricity, reach abundant, that efficiency utilization natural resources produces green energy object; In addition, due to the application of magnetic levitation technology, effectively can reduce a large amount of because of the energy spent by parts surface friction drag and equipment frictional loss in equipment operation process, thus directly effectively improve the generating efficiency of complete machine.
4. innovative point four of the present invention: the independence of control unit controls gradient and suits generating--from unglazed to there being light, from calm to having wind to strong wind, the composite type wind power generator of the design can input by the energy different according to Different climate, by the science quotas administered of control system, what can make generator set safety and stability provides different output electricity.
5. innovative point five of the present invention: advanced control system--by the safety control organizing inductor and two-stage safety control system in the design more, can ensure that complete machine can be survived safely and stable operation under different wind energy effects, be now adaptability the most by force and the most practical band promote control system.
6. innovative point six of the present invention: the wind speed adaptability of wide cut--in the design, the design of pitch-controlled system improves the comprehensive adaptive capacity under the different wind field resources supplIess of this type each department at home to a great extent, and the light breeze also fully demonstrated in present design starts---breeze wind and there is the design philosophy of advanced distinct Chinese characteristics.
7. innovative point seven of the present invention: non-carbon-emitting--the electric energy that in the design, the utilization of wind energy produces is the green energy resource of the non-carbon-emitting of pure environment protection type, be eco-friendly power source new varieties newly born again on water power, nuclear power basis, be less investment, the time is short, instant effect and the green energy resource manufacturing mechanism of Chinese target for energy-saving and emission-reduction can be completed very soon.
8. innovative point eight of the present invention: local networking--present design is for the area away from power plant such as remote mountain areas, wasteland, Gobi desert, set up a Small-scale LAN can meet ten thousand family needs for electricity by building several Large-scale machine set, then prolong the capital expenditure of continuous hundreds of kilometer and manpower expends without the need to paying vertical rod bracing wire.
Accompanying drawing explanation
Fig. 1 is the main structure schematic diagram of the embodiment of the present invention;
Fig. 2 is the dome structure schematic diagram of the embodiment of the present invention;
Fig. 3 is the axial-flow blower structural representation of the embodiment of the present invention;
Fig. 4 is the blade arrangement plan view of the radial-flow impeller of the embodiment of the present invention;
Fig. 5 is the blade structure schematic diagram of the radial-flow impeller of the embodiment of the present invention;
Fig. 6 is the schematic top plan view of the air inducing post arrangement of the embodiment of the present invention;
Fig. 7 is the magnetic suspension bearing schematic diagram that the embodiment of the present invention is arranged on axial-flow blower;
Fig. 8 is the magnetic suspension bearing schematic diagram that the embodiment of the present invention is arranged on radial-flow impeller.
Wherein: 1 pedestal, 2 air inducing posts, 3 supports, 4 domes, 5 device of solar generating, 6 radial-flow impellers, 61 blades, 62 dividing plates, 63 shaping boards, 64 steel wires, 7 axial-flow blowers, 8 magnetic suspension bearings, 9 generators, 10 control units, 11 lightning conductor, 111 high-altitude observation ward.
Embodiment
The exploitation of the MW class imitation experiment model machine that we carry out, rigorous scientific and technological theory, unique structural design such as modularization, cascade, electromagnetic suspension technology and aerodynamic principle and cascade etc. is utilized to obtain important breakthrough at vertical shaft wind electrical domain, successfully have developed the present invention, prove through primary Calculation, this design is better than the performance of any similar products in the world, still belongs to pioneering in the whole world.Wind-power electricity generation is a comprehensive very strong system engineering technology, relates to aerodynamic force, structural mechanics, aircraft manufacturing process, manufacturing technology, multiple subject such as electrical engineering and automatic control and the communications field etc.
We are through reaching years of researches design and improvement of constantly bringing forth new ideas, the present invention has has researched and developed successfully, and enter trial-production program, soon this new feature, high efficiency, new ideas, different classes of wind-resources energy maximization can be adapted to, the first in the world platform Megawatt-level vertical axis wind driven generator that can compete mutually with the grid-connected electricity price of civil power is about to come out.
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
As shown in Figure 1, a kind of apply magnetic levitation technology luminous energy and a wind energy point gradient for power generation system comprise pedestal 1, air inducing post 2, dome 4, device of solar generating 5, radial-flow impeller 6, axial-flow blower 7, generator 9 and control unit 10, pedestal 1 is for being fixedly mounted with on the ground by power generation system, pedestal 1 is according to construction ground geological condition, be preferably with the concrete for making of suitable cement grade (for reducing costs, rock-fill concrete technical matters can be adopted) according to actual conditions, in it, preset metallic steel structure plays antihunt action (generally selecting effective antidetonation 30 time limit according to local seismographic record), concrete enforcement will be determined according to job location geological condition.In pedestal 1, generating cabin can also be set, for laying generator 9 etc.As a shown in Figure 6, the cross section of air inducing post 2 is fusiformis (being commonly called as fish-skin column type), many air inducing posts 2 are being arranged on pedestal 1, and in surrounding circumference (Figure 6 shows that clockwise arrangement) clockwise or counterclockwise, for guiding wind direction, and the wind speed that can increase after introducing, improve the efficiency of wind-power electricity generation, concrete, its effect except supporting effect, also by the wind of tangent plane larger beyond air port, with less variable draw angle (with the highest effect of minimum drag) introduce enclose in circumference impeller, to increase intake grill wind speed, improve blower fan effect.Support 3 for being overall structure by each several part bridge joint of the present invention, in particular for fixing magnetic suspension bearing 8; Dome 4(is as Fig. 1,2) mount cover on the air inducing post 2 surrounding circumference.Device of solar generating 5 is arranged in the outer wall of dome 4 and air inducing post 2, device of solar generating 5 preferably adopts photovoltaic generating system, can directly utilize solar energy to generate electricity, and (by narrow wall tube effect) sunlight infrared radiant energy and wind energy surplus generate electricity.
Radial-flow impeller 6 by magnetic suspension bearing 8 be arranged on air inducing post 2 surround (as Fig. 1,4) in circumference, the radial direction of its impeller is the most effective windward side, the footpath that air inducing post 2 can be utilized to introduce aweather drives it to rotate, and then realize wind-power electricity generation, the present invention does not need to arrange main shaft, but employing magnetic levitation technology, concrete, magnetic suspension bearing 8 is arranged on bottom and the circumference (as Fig. 1,7) of radial-flow impeller 6 by support 3, be contained in this power generation system by outstanding for radial-flow impeller 6, the surface friction drag of rotation can be reduced, greatly improve generating efficiency; The blade 61(of radial-flow impeller 6 is as Fig. 4,5) be preferably designed for the hollow structure of lightweight, dividing plate 62 and shaping board 63 is provided with in it, and preferably adopt the aluminium of light weight high strength to make, blade 61 connects wheel rotation assembly by steel wire 64, the linkage structure of steel wire 64 has effect of certain auxiliary axial restraint, and alleviate fan blade assembly rotating part weight, totally reduce costs.
Axial-flow blower 7 is arranged on radial-flow impeller 6 by magnetic suspension bearing 8, and design (as Fig. 1 with radial-flow impeller 6 coaxality, shown in 3), the axis of its impeller is the most effective windward side, the footpath that air inducing post 2 is introduced is aweather by after radial-flow impeller 6, be transformed into air-flow up vertically, the wind that the air-flow up from ground utilizing this air-flow and formed because of the temperature difference and air inducing post 2 are introduced drives axial-flow blower 7 to rotate, and then realize wind-power electricity generation, the same with magnetic suspension bearing 8 mounting type of radial-flow impeller 6, magnetic suspension bearing 8 is arranged on the bottom of axial-flow blower 7 and circumference (as Fig. 1 by support 3, 8), for being contained in this power generation system by outstanding for axial-flow blower 7, reduce the surface friction drag rotated, further raising generating efficiency.
Multi-section generator 9 connects radial-flow impeller 6 and axial-flow blower 7 respectively, utilizes the rotation of impeller to generate electricity; Control unit 10 connection control generator 9, gradient is divided to start the generator 9 of requirement according to wind energy value, to realize maximum generating efficiency, particularly, different wind energy is tackled and the multiple electric motors designed by identical wind energy transformation rate, suit and the gen-set control system be separated by different wind energy classification (by firsts and seconds electric control system controls), be one-level automatic control system, it applies motor and cuts off controller, parking controller, voltage-stabilizing controller, commutation controller etc.Be provided with tele-control system and inductor in control unit 10, particularly, be furnished with the secondary automatical control system of rechargeable battery set at control unit 10, inductor applications multiple stage wind speed inductor wherein, spindle speed inductor, electric power generation amount inductor; Secondary tele-control system applies Long-Range Surveillance System, remote alarming system, long-distance service system (namely standby equipment starts control system) etc.
The present invention also comprises lightning conductor 11(and sees Fig. 1), lightning conductor 11 is arranged on described dome 4 top, and is connected to electric discharge ground wire, can be designed as the taper tubular of aluminium matter, multi-segment structure, can also be designed to high-altitude observation ward 111 in the middle part of it.Concrete, lightning conductor 11, on flange circle, can be fixed on dome 4 by flange circle by the centrum bottom welding of lightning conductor 11.The lightning-arrest discharge process of its advanced person is embodied in, and is fixed by lightning conductor 11 top apex, and the plain conductor that directly electrical discharge wire pre-buried with ground is connected is fine copper matter, and prolongs the design and installation of whole wind turbine body axis (beeline).
The application of magnetic levitation technology of the present invention, be when power generation system (especially axial flow power generation system) export total output less, in order to increase generated energy, and the solution of increase transformation of energy effect of design, basic principle is, as shown in Figure 7 and Figure 8, permanent magnet is made as major diameter associative ring, utilize the repulsion of permanent magnet, two magnet ring same polarity mirror images is opposed and fixed, adopt inside and outside multi-turn design, then define superhuge frictionless magnetic suspension bearing, due to without surface friction drag, so can efficiently transformation of energy be exported, through experiment, threshold wind velocity can be narrowed down to below 3m/s by this device.During concrete installation, be preferably the contactless bearing made by magnet, be arranged at the revolution position below blade steel ring and suspension corridor respectively, and suspension corridor upper side and hot-fluid circle inwall.
During concrete operation, device of solar generating 5 utilizes solar electrical energy generation.Meanwhile, under the effect of air inducing post 2, wind to be introduced in radial-flow impeller 6 and can wind speed to be increased, driving it to rotate and drive corresponding generator 9 to generate electricity.Wind changes axis into after radial-flow impeller 6 does work, and is up blown into axial-flow blower 7, and the air-flow up that combined ground is formed because of hot-fluid and the air-flow that air inducing post 2 is introduced, driving axial-flow blower 7 rotates, and drives corresponding generator 9 to generate electricity.Especially, the application of magnetic suspension bearing 8 eliminates the mechanical friction resistance of rotation process, greatly improves generating efficiency, and through experiment, minimum wind speed 3m/s can generate electricity.Under the effect of control unit 10, the present invention can start the generator 9 of requirement according to the gradient wind energy value preset, to ensure that the present invention is in optimal operation state all the time, realize most powerful generating.In addition, the tele-control system in control unit 10, can realize remote monitoring etc., make the present invention more practical, have more promotional value.
Finally it should be noted that, above embodiment is only in order to illustrate technological scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technological scheme of the present invention or equivalent replacement, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.