• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    It is a wind turbine (1) for energy with an axial flow vortex-forming wind concentrator (2) proposed, which is rotatably mounted on a shaft (3), it has a surrounding annular outer jacket (4) and within the annular outer shell (4) with a circular distributed concentrator blades (7) is equipped with low-speed profiles. In order to provide advantageous conditions for energy production, it is proposed to the annular outer shell (4) distributed on the outside to 360 degrees, circularly mounted vortex-forming flow-compacting guide to have the sawtooth in self-rotating, curved guide profiles (5) against the direction of rotation, the edge vortices generating downstream a high circulation vortex coil and a concentrator eye over the entire cross section of the annular outer shell (4) causing a local pressure reduction and generating a locally accelerating flow field in the wind concentrator (2) with increased efficiency due to the increased pressure gradient , This leads to improved roughness lengths with increased energy content of the air flow and smooths the short-term fluctuations of the wind between the gusts of wind.
    公开号:AT512196A1
    申请号:T1709/2011
    申请日:2011-11-17
    公开日:2013-06-15
    发明作者:Gerhard Wieser
    申请人:Wieser Gudrun；
    IPC主号:
    专利说明:

    I '«* ·· * · · * ♦ · * ·« · * · «·
    Wind turbine with rotating wind-generating wind concentrator
    Technical area
    The invention relates to a Windkraftaniage for energy with an axially flowed, rotatably mounted on a rotatably rotating vortex-forming wind concentrator of an enclosing annular outer shell, distributed on the outside of 360 degrees, circularly attached vortex-forming Strömungsverdichtende Latin directions are arranged, the sawtooth in have turning, curved guide profiles against the direction of rotation, and that the wind concentrator between the hub and annular outer shell is equipped with concentrically arranged Konzentratorblättem with Niedrigg'eschwindigkeitsstofilen, and that generate the sawtooth intruding curved Leitprofile against the direction of rotation edge vortex, which downstream of a vortex coil form high circulation, and within this vortex coil a Konzentratorauge over the entire cross-section of the annular outer shell is formed, which e This results in improved roughness lengths with increased energy content of the airflow, and smooths out the short-term fluctuations in the wind between the gusts of wind.
    State of the art
    The use of the kinetic energy contained in the wind is possible with different systems,
    The known wind turbines usually have propeller-like wheels, which are aligned to generate energy in or against the wind direction buoyancy. However, the propeller-type wind turbines have the disadvantage that their economy is extremely low, especially at low wind speeds and smaller diameters based on the Betz's law. Furthermore, it is well known that cause the propeller-like Windkraftaniagen very high noise levels, and exceed for smaller facilities in residential areas, the noise level guidelines. Likewise, propeller-type impellers require corresponding hub heights, since the usable energy density and their energy content of the air flow varies greatly with increase in the size of the rotor blades over the entire sweeping cross section. ♦ ♦ · · · · · ························································
    In order to improve this, it is known (EP 145089) that it is possible to supply an axial flow-through impeller with a high energy density with increased energy content, and to convert the kinetic energy of the natural wind into electrical energy.
    The axial flow, provided on a rotatably mounted shaft with blades impeller has an air flow axially accelerating guide. This known wind power plant can make better use of the flow component of a wind given at the location by the axial air flow, and thus make the kinetic energy of this air flow usable in the admissibility range of Betz's law through the accelerating guide with improved efficiency, and subsequently convert it into electrical energy.
    It is also known that the more pronounced the roughness of the soil, the more the wind flow is slowed down. Another fact is based on the designated wind shear per location, which states that the wind speed decreases as one approaches the ground. These conditions make themselves felt the closer to the ground in gusty to turbulent wind, which adversely affect the roughness lengths, and greatly reduce the energy content of the air stream. More details on these conditions can be found in the Guidance for Design of Wind Turbines manual by Risoe National Laboratory.
    Presentation of the invention
    The invention is therefore based on the object to remedy these deficiencies, and to provide a more efficient wind turbine of the type described, which supply these available wind energy to the flowed through rotating vortex forming wind concentrator with improved roughness lengths and increased Energieinhait at all usable wind speeds, and their efficiency Incr "!.
    The invention solves the problem in that the downstream of the outer shell, distributed over 360 degrees, circularly fixed flow-compacting sawtooth-shaped in-turn, curved guide profiles generate edge vortex after the rotating wind concentrator.
    These edge vortices flow in the stream and begin spiraling around each other downstream through mutual induction, forming a vortex coil downstream, which forms behind the wind concentrator a concentrating eye with vigorous depression over the entire cross section of the annular outer mantle.
    Inside this vortex coil forms an increased flow velocity, which causes a reduction of the local pressure behind the wind concentrator, so that the power of the rotating wind concentrator can be increased due to the increased pressure gradient. 3
    Also, as known from fluidics, the air flow in the wind concentrator described above continues to extend beyond the circular concentrator blades with low speed profiles itself and thus also results in increased energy output. Upstream, a larger inflow area is opened, thus forcing a higher mass flow rate per unit of time. Due to the low pressure in the vortex core, air is sucked in from the environment through the wind concentrator and drives it. As well as pressure, suction also continues into adjoining areas.
    This inventive vortex forming wind concentrator with saw-toothed, self-rotating, curved guide profiles which are circumferentially distributed in a circular array effect downstream of the vortex coil formation which forms a concentric eye behind the wind concentrator with vigorous depression over the entire cross-section of the annular outer shroud , Advantageously, a flow acceleration and torque increase at all wind speeds. This results in improved roughness lengths with increased energy content of the airflow, and smooths the short-term variations in the wind between the gusts of wind.
    Thus, the electrical energy yield per m2 swept area increased by the increased buoyancy forces acting on the rotating vortex-forming wind concentrator, which also has an increasing effect on the torque and thus the actual power per m2 swept area. This results in an earlier start-up performance of the wind turbine and consequently has an advantageous effect on the power curve at all usable wind speeds.
    It is known from bionics and fluid mechanics that a self-winding vortex coil is the most effective principle for generating a locally accelerating flow field in a free air flow.
    This vortex-forming, in-turn, curved guide against the direction of rotation can also be used with fixed shells of turbines and rotors, in a further embodiment, this wind concentrator according to the invention can also be used as a fan concentrator propulsion generating use by motor drive. In this embodiment, an underpressure zone forms upstream, which continues downstream into adjacent localized areas of the wind concentrator by the suction effect and reduces the power requirement for the motor drive by reducing the local pressure over conventional prior art fans.
    If the efficiency of the wind power plant according to the invention is to be further increased or the wind energy available is used even better, it is proposed to use the rotating wind turbine. ··· + * · · «« «· · * ♦ * * * ♦ · ♦ ·· * · *
    Windkonzenlrator nachzuschrei one on a supplementary shaft silzenendefi * axially durchstrbrnten auxiliary concentrator, which are both surrounded by a horizontally continuous annular or diffuser-shaped fixed casing.
    If an additional increase in the wind speed in the horizontally extending, ring-shaped or diffuser-shaped fixed casing is desired, it is advantageous if this is designed to narrow the wind inlet side as a nozzle shape and at the outlet side, this lavak-jet nose widens. In order to be able to use either the wind concentrator or the auxiliary concentrator in operation as a guide for the other wind concentrator when needed, the wind concentrator and / or the Hilfekonzentrator a braking device is assigned to either one or the other wind concentrator can be braked to a standstill.
    The wind turbine according to the invention with rotating vortex-forming wind concentrator is arranged either with aligned against the wind horizontal axis of rotation as a windward or leeward runner on a mast with turntable connection or the like. Similarly, the series-connected wind concentrator with a subordinate auxiliary concentrator with horizontally extending, fixed ring, diffuser or lavaldüsenförmiger sheath on a mast with turntable connection or the like is also provided.
    If a solar use of the wind turbine according to the invention is desired, the vertical-running vortex-forming wind concentrator is equipped with flexible thin-layer solar panels for solar energy use. The flexible solar panel coating extends to both the wind concentrator, the orbitally-arranged turbulence guiding profiles, and the horizontally-extending fixed ring, diffuser or laval nozzle-shaped casing or parts thereof.
    The heat energy gained from the solar panels is dissipated and converted into electrical energy. By the solar panels cooling of the wind concentrator by the dissipation of heat energy, thereby additionally the air flow is cooled in the flow channels, which increases the specific blowing of the air and thus the energy efficiency. On all sides it is also known that ice can form or build snow on solar panels much later.
    As a further possible use of the wind turbine according to the invention, the excretion of portions of the water contained in the humidity of the first axial, spirally introduced air flow in the horizontally extending, fixed lavaldüsenförmige sheath, which narrows first to the wind inlet side of the shell, and following their taper towards the wind outlet side again expanded, proposed.
    Due to the spirally introduced air flow in the horizontally extending lavaldüsenförmigen jacket between the two wind concentrators of Luffetrom is cooled, whereby water is deposited at the bottom of the jacket. This proportion of water withdrawn from the air flow is to be indicated in FIG. 4.......... *. *. *. * Φ * Φ φ φφφ φφφ φ «φ φ · *« · * · φ · «· · · · ♦ · · *
    Water collecting containers are collected and used for cleaning and other technical applications. The water can be collected either underground or by pumping in above-ground water catchment basins.
    If a further cooling of the air flow flowing through m of the horizontally extending, laval nozzle-shaped casing sought to escape this higher Antel of the water content contained in the humidity, it is proposed the wind concentrator at the wind inlet side as well as the lavaldüsenförmige sheath on built-in cooling wires and / or cooling coils or the like to be appropriately cooled as needed. Such cooling wires and / or cooling coils can also be arranged in parallel, mesh grid-shaped between the two wind concentrators.
    In order to enable a more favorable Gestaltungsfbrm for water separation from the air flow in calm or very weak wind flow, one of the wind concentrators arranged in series in the horizontally extending laval nozzle-shaped casing is propelled by motor drive via the generator as a fan generating. Optionally, either the wind concentrator or the auxiliary concentrator is operated as a motor by means of a fan, as a result of which these suck in the airflow upstream in order to generate a positive effect.
    In such case, the air flow also flows through the upstream or downstream parallel wind concentrator buoyancy and energy-producing, whose energy is stored via an intermediate energy storage. In island operation, this energy is supplied to the motor-driven generator, and thus can realize the water excretion from the air flow with less foreign energy demand more economically.
    Brief description of the drawings:
    The invention is diagrammatically illustrated in the drawing with reference to a Ausführungsbetspieles. Show it:
    Fig. 1 shows a wind turbine according to the invention with rotating vortexbddenden wind concentrator in front view as Luv runner.
    Fig. 2 shows a Windkraftaniage invention with rotating vortex-forming wind concentrator in side view as windward runner.
    Fig. 3 shows a Ausgestattungsvariante the erfindungsmäßige Windkraftaniage with rotating wirbefbiidenden wind concentrator with downstream, running parallel on an auxiliary shaft auxiliary concentrator horizontally extending fixed lavaldüsenförmiger shroud in a partially sectioned side view with built-in cooling wires and water collecting basin. 6 * * * t * ····· * * t * * * ·· «« * «• · m ·« m «« * t ««
    Fig. 4-6 shows an embodiment of the 360 Csrad'kreisförmig'angÖDrdneten, sawtooth in acheinrehenden, curved guide profiles against the direction of rotation with different views. 7-12 further embodiments of the 360 degrees circular arranged vortex-forming and strömungsverdichtenden in-turning, curved guide profiles against the direction of rotation with different views.
    Ways to carry out the invention
    A wind power plant 1 for generating energy with rotating vortex-forming wind concentrator 2 consists essentially of an axially flowed, rotatably mounted on a shaft 3 rotating wind concentrator 2, and has an enclosing annular outer shell 4 in order to use the entire air flow over the entire flown cross-section.
    On the outer side of the annular enclosing outer shell 4 are distributed in 360 degrees, circularly fixed, in-rotating fluid-compressing and vortex-forming guiding devices downstream, the sawtooth-shaped self-rotating curved guide profiles 5 have against the direction of rotation, which can expand in the flow direction.
    The wind concentrator 2 is advantageously provided between hub 6 and annular outer jacket 4 with concentrically arranged concentrator blades 7 with low-speed profiles.
    These vortex-forming guide profiles 5 are intended to impose peripheral vortexes on the flowing air flow, which forms a vortex coil behind the wind concentrator 2 over the entire cross-section of the flow-through wind concentrator 2. Inside this vortex coil, an increased circulation is formed, which generates an increase in speed in its interior. In the enclosed annular surface behind the wind concentrator 2, the Konzentratorauge over the entire cross-section of the annular outer shell takes place a reduction of the local pressure. Due to the low pressure in the vortex core air is sucked in from the environment upstream through the wind concentrator 2, because in a local depression the molecules flow at molecular velocity and thus have the effect of independent acceleration. This acceleration results in improved roughness lengths with increased energy content of the airflow, and smooths out the short-term fluctuations in the wind between the gusts of wind.
    As indicated in the exemplary embodiments (FIGS. 4 to 12), the swirl-forming, self-rotating, curved guide profiles 5 at the profile end can have different outlet shapes and can also be made adjustable against a spring force or through the use of flexible materials with the wind flow. m ··· ··· * * · · ·········· · ## | # ·· · * · «Φ Φ ··
    The wind concentrator 2 is mounted on the shaft 3, which is rotatably mounted in a housing 8 and connected via a gear 9 and clutch 10 to a generator 11, whereby the wind energy is converted into electrical energy. The Windnachführung the wind turbine 1 by means of an engaging in the turntable 12 electric motor 13, After the (Fig, 1 and 2), the wind turbine 1 according to the invention is mounted on a steel tube mast 14.
    The wind concentrator 2 has coaxial with the shaft 3, a central displacement body simultaneously forms a hub 6 for receiving the wind concentrator 2 and the air flow from the inner turbine area in which the Nutzwirkung due to the small distance to the axis of rotation would be very small, the further outlying turbine area zuleitet , whereby the dynamic pressure in front of the wind concentrator 2 and in consequence the buoyancy force of the concentrator blades on the low-speed profiles additionally increases.
    With design variant for a solar use, the vertical-running wind concentrator 2 itself, and the vortex-forming curved Leitprofiie 5 can be equipped with flexible thin-layer solar panels for solar energy use. The solar power generated from the solar panels is dissipated and converted into electrical energy.
    The wind concentrator 2 can also be propelled by the generator 11 as a fan-wind concentrator 2, so that upstream a negative pressure zone is formed by the reduction of the local pressure which continues downstream into adjacent local areas of the motor-operated fan wind concentrator by the suction effect the energy requirement is greatly reduced.
    In a further embodiment of the wind power plant 1 according to the invention, the wind concentrator 2 can be arranged downstream of an auxiliary shaft 16 axially seated on an auxiliary shaft 15, as well as the wind concentrator 2 for better utilization of the wind energy. The auxiliary concentrator 16 also drives a generator 11, both parallel wind concentrators 2 and 16 are surrounded by a fixed ring or diffuser-shaped sheath.
    It is advantageous if this is designed as iavaldüsenförmige sheath 17, and narrows nozzle-like shape of the wind inlet side in the direction of the wind concentrator 2 in the flow direction, and extends downstream of the auxiliary 16 in the direction of the wind outlet neither diffuser-shaped.
    The Windnachführung the wind turbine 1 with parallel wind concentrators 2 and 16 also takes place by means of an engaging in the turntable 12 electric motor 13. After the (Figure 3) Windkraftaniage 1 of the invention is mounted on a lattice mast 18,
    With a design variant for a solar use, the annular, diffuser or Iavaldüsenförmige sheath 17 of the vertical in series wind concentrators 2 and 16 of the invention
    Wind turbine 1 equipped with flexible thin-layer solar panels for solar energy use wetden. The solar power generated from the solar panels is dissipated and converted into electrical energy.
    A further embodiment variant of the wind power plant 1 according to the invention (FIG. 3) enables the water to be separated from portions of the water contained in the air humidity of the axial, spirally introduced air flow into the ring, diffuser or laval nozzle-shaped shell 17. By the spirally introduced air flow between the Wind concentrator 2 and the auxiliary concentrator 16 in the ring, diffuser or laval nozzle-shaped casing, the air flow is cooled, whereby water is deposited in the ring, diffuser or Laval nozzle-shaped casing 17. This withdrawn from the air flow water can be collected in water collection container 19, and used economically.
    Ais further embodiment for an increased cooling of the air flow for the separation of water from the humidity is proposed to provide the wind concentrator 2 upstream, as well as the ring, diffuser or lavaldüsenförmige sheath 17 with built-in cooling wires 20 or cooling coils, which also parallel, net lattice between may be arranged in parallel in series Windkonzentrator2und the Hrffskonzentrator 16. The wind turbine 1 according to the invention can also be driven by a motor via the wind concentrator 2 or the auxiliary concentrator 16 via its generator 11, in order to enable the possibility of water separation from the air flow in case of calm or very weak wind. In such an embodiment, either the wind concentrator 2 or the auxiliary concentrator 16 is operated as a fan-concentrator 2 or 16 propulsion generating, so that the downstream or upstream wind concentrator 2 or 16 driven by the air flow flowing through the drive and used to produce electricity via the respective switched generator 11, and this Energy is stored on an intermediate energy storage. This energy is supplied to the respective motor-driven generator 11 in isolated operation, whereby the energy requirement for the separation of water from the air flow is greatly reduced.
    权利要求:
    Claims (6)
    [1]
    I Wind power plant (1) for generating energy with an axially flowed, on a Wei! E (3) rotatably mounted, rotating vortex-forming wind concentrator (2) of an enclosing annular outer shell (4), distributed on the outside to 360 degrees, circular arranged downstream of the rotating concentrator (2) about the shaft {3) and the annular outer jacket (4) with circularly distributed concentrator blades with low-speed profiles { 7), characterized in that the sawtooth-shaped self-rotating curved guide profiles (5) generate edge vortex against the direction of rotation, which downstream form a vortex coil with high circulation and a concentrator eye over the entire cross-section of the annular outer sheath (4), welc he effect a reduction of the local pressure, and generate a iokal accelerating flow field in the wind concentrator (2) with increased efficiency due to the increased pressure gradient.
    [2]
    2. Wind turbine (1) according to claim 1, characterized in that the wind concentrator (2) is designed as a windward or leeward runner.
    [3]
    3. Wind turbine (1) according to one of claims 1 to 2, characterized in that flexible thin-layer solar panels for the coating of the wind concentrator (2) are provided, and this with the heat dissipation in parallel cooling of the surfaces of the wind concentrator (2) and a cooling of the axial flow through the air flow with increased efficiency.
    [4]
    4. Wind power plant (l) according to one of claims 1 to 3, characterized in that the wind concentrator (2) via the generator {11) is motor-driven as fan-wind concentrator (2) formed driving-generating.
    [5]
    5. wind turbine (1) according to one of claims 1 to 4, characterized in that the wind concentrator (2) on an additional shaft {15) seated axially flow-through auxiliary concentrator (16) is arranged downstream, and both wind concentrators mounted on a ·· horizontal axis, and with a fixed, horizontally extending annular diffuser or laval nozzle-shaped casing (17), are surrounded by continuous.
    [6]
    6. wind turbine (1) according to one of claims 5, characterized in that the wind concentrator (2) and / or the auxiliary concentrator (16) assigned a braking device ip ....... • · + · «· · φ% φ ♦ · · »··« 444 4 · * 1 * Ψ · < Wind power plant (1) according to one of claims 5 to 6, characterized in that flexible thin-layer solar panels are provided for the coating of the horizontally extending, fixed ring-diffuser or laval nozzle-shaped sheathing (17) and with the heat dissipation in parallel they form a cooling of the surfaces of the fixed annular diffuser or lavaldüsenformigen sheath (17) and a cooling of the axially flowing air flow with increased efficiency. Wind power plant (1) according to one of claims 5 to 7, characterized in that the precipitated by the cooling of the air flow portions of the moisture contained in the moisture at the bottom of the horizontally extending, fixed ring, diffuser or lavaldüsenförmiger sheath (17) derived, and in Water catchment basin (19) is collected. Windkraftaniage (1) according to any one of claims 5 to 8, characterized in that in the wind concentrator (2) upstream, as well as in the horizontally extending fixed ring, diffuser or lavaldüsenformigen sheath (17) cooling wires (20) and / or Kühlsch (20) are arranged, which can also be arranged in parallel, grid-like manner between the wind concentrator running in series (2) and the auxiliary concentrator (16), and this with the cooling of the equipped surfaces increased cooling of the axially flowing air flow for the water with increased Form efficiency. Wind power plant (l) according to one of claims 5 to 9, characterized in that the wind concentrator (2) or the auxiliary concentrator (16) via the generator (11) is driven by a motor as a fan wind concentrator (2 or 16) generating propulsion, so that the parallel downstream or upstream wind concentrator (2 or 16) by the flowing air flow buoyancy over the generator (11) produces electricity which the respective motor-operated generator (11) supplied in island operation current reducing, and even in calm as well as weak wind the possibility for the use of water is formed from the air flow.
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    ATA1709/2011A|AT512196B1|2011-11-17|2011-11-17|WIND POWER PLANT WITH ROTATING, SWIVELING WIND CONCENTRATOR|ATA1709/2011A| AT512196B1|2011-11-17|2011-11-17|WIND POWER PLANT WITH ROTATING, SWIVELING WIND CONCENTRATOR|
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    EP12805907.8A| EP2839146B1|2011-11-17|2012-11-16|Wind turbine|
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    ES12805907.8T| ES2641202T3|2011-11-17|2012-11-16|Wind turbine|
    PCT/AT2012/050179| WO2013071328A1|2011-11-17|2012-11-16|Wind turbine|
    DK12805907.8T| DK2839146T3|2011-11-17|2012-11-16|Windkraftanlagen|
    SI201231061T| SI2839146T1|2011-11-17|2012-11-16|Wind turbine|
    US14/358,803| US9664172B2|2011-11-17|2012-11-16|Wind turbine|
    HRP20171419TT| HRP20171419T1|2011-11-17|2017-09-19|Wind turbine|
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