CN108953064A - A kind of wind generator system - Google Patents
A kind of wind generator system Download PDFInfo
- Publication number
- CN108953064A CN108953064A CN201810784298.8A CN201810784298A CN108953064A CN 108953064 A CN108953064 A CN 108953064A CN 201810784298 A CN201810784298 A CN 201810784298A CN 108953064 A CN108953064 A CN 108953064A
- Authority
- CN
- China
- Prior art keywords
- blade
- vertical shaft
- wind
- generator system
- rack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 57
- 238000009826 distribution Methods 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims description 28
- 238000005096 rolling process Methods 0.000 claims description 5
- 239000011796 hollow space material Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000010248 power generation Methods 0.000 abstract description 3
- 230000007812 deficiency Effects 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 26
- 238000010586 diagram Methods 0.000 description 10
- 230000008859 change Effects 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 6
- 230000001133 acceleration Effects 0.000 description 5
- 230000008602 contraction Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 241000734468 Listera Species 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000748095 Hymenopappus filifolius Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D15/00—Transmission of mechanical power
- F03D15/10—Transmission of mechanical power using gearing not limited to rotary motion, e.g. with oscillating or reciprocating members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor
- F03D3/005—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor the axis being vertical
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor
- F03D3/02—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor having a plurality of rotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor
- F03D3/06—Rotors
- F03D3/061—Rotors characterised by their aerodynamic shape, e.g. aerofoil profiles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor
- F03D3/06—Rotors
- F03D3/062—Rotors characterised by their construction elements
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a kind of wind generator systems, belong to wind power generation field.The present invention includes rack, generator unit and blade, and the side of rack is provided with generator unit, and passes through Helical gear Transmission between rack and generator unit；Transmission case is provided with above rack, two sides are provided with blade above transmission case, and by Bevel Gear Transmission between blade and transmission case, the blade of every side includes that two panels is centrosymmetric the S-shaped blade of distribution.The present invention overcomes in the prior art that wind-power electricity generation wind energy utilization is lower, the higher deficiency of production cost, provides a kind of wind generator system, and cost is relatively low, with strong applicability, and structure is simple, manufacture processing and easy to maintenance, and application range is wide.
Description
Technical field
The present invention relates to technical field of wind power generation, more specifically to a kind of wind generator system.
Background technique
With the protrusion of energy shortage and environmental problem, so that the energy-saving and emission-reduction benefit of wind-powered electricity generation is concerned.According to measuring and calculating, often
Kilowatt hour wind-power electricity generation can save about 340g standard coal, while reduce 0.983kgCO2、0.698gSO2, 0.65gNOx with
And the discharge of 0.355g solid particulate matter.As most competitive in clean energy resource, the most potential energy, wind-force hair
Electricity will more show its contribution in energy-saving and emission-reduction with the continuous increase of installed capacity.
Wind energy is a kind of inexhaustible, nexhaustible new energy, is had a good application prospect and potentiality to be exploited.Wind
Power machine is the power switching device for converting wind energy into mechanical energy, it exports effective torque by the interaction with air-flow
And rotation, driving work mechanism operating.Existing wind-driven generator mainly uses trunnion axis high speed wind wheel, and major defect is
Higher threshold wind velocity is needed, and needs the direction of the variation adjustment wind wheel according to wind direction, the size of blade mainly wants root
It is determined according to the height of pylon, greatly reduces application range, and since blade will be mounted on the top of pylon, to installation and dimension
Shield is made troubles.To improve the utilization rate of wind energy and reducing cost, wind power plant still has biggish optimization space.
Through retrieving, such as Chinese Patent Application No.: CN92236222X, denomination of invention: sail type wind power device passes through
The blade rotating angle on the perpendicular wing is adjusted with the wind and controls the air-flow on-off of the perpendicular wing to absorb the wind-force of any direction, reduces starting wind
Speed, but lack the mechanism of control wind energy conversion system revolving speed；Such as Chinese Patent Application No.: denomination of invention: CN2004100675751 rises
Power, resistance combined vertical axis wind mill enable blade to utilize air-flow using the distribution that deflector and guiding device change air-flow
Lift and resistance acting, achieved the purpose that reduce wind energy conversion system threshold wind velocity and improve working efficiency.However, its water conservancy diversion fills
Huge structure, at high cost is set, and box haul is needed to change, that there are movement inertias is big, control is high-power asks.
For another example Chinese Patent Application No.: 2008100248586, the applying date: on May 16th, 2008, invention and created name are as follows:
Double-vane upright shaft wind motor, this application discloses a kind of double-vane upright shaft wind motors, and the wind energy conversion system is by blade, I-shaped branch
Frame, transmission case, gearbox and blade azimuth adjustment mechanism composition, cabinet is affixed with hollow shaft and passes through bend pipe and I-shaped branch
Frame one symmetrical rotary rack of affixed formation；The identical blade of two structures is symmetrically arranged on the two sides of vertical shaft, and phase difference is 90 °,
Rotary rack rotates one week and blade only rotates half cycle and blade is made to generate " moving windward " heterogeneous, in the work of orientation wind-force
Rotary rack rotation is pushed with lower blade alternate, by gearbox output torque and revolving speed, realizes wind energy conversion.This application
Wind energy utilization is higher, threshold wind velocity is smaller, and output power and revolving speed are adjustable, but complicated integral structure, and production cost is higher,
And number of friction pairs amount is various, wind energy utilization still has optimization space.
Summary of the invention
1. technical problems to be solved by the inivention
It is an object of the invention to overcome in the prior art, wind-power electricity generation wind energy utilization is lower, production cost is higher not
Foot, provides a kind of wind generator system, and cost is relatively low, with strong applicability, and structure is simple, manufacture processing and easy to maintenance,
Application range is wide；Because threshold wind velocity of the present invention requirement is low, getting rid of can only be in the big northeast of atmospheric density, North China, northwest etc.
The limitation that ground uses；Again because structure is simple, adaptation optimization can be carried out according to different use occasions, can applied and wind
Electric power plant, countryside street lamp and household etc.；Because its detachable maintaining is convenient, substantially increases compared with conventional wind machine and take after sale
The maintenance efficiency of business personnel, further reduces the cost.
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention are as follows:
A kind of wind generator system of the invention, including rack, generator unit and blade, the side of rack are provided with hair
Electric motor units, and pass through Helical gear Transmission between rack and generator unit；Transmission case is provided with above rack, on transmission case
Square two sides are provided with blade, and by Bevel Gear Transmission between blade and transmission case, the blade of every side includes during two panels is in
The symmetrical S-shaped blade of the heart.
Further, blade includes the first vertical shaft and the second vertical shaft for being set to transmission case two sides, and the two of the first vertical shaft
Side is respectively equipped with the first blade and the second blade, and the first blade and the second blade are centrosymmetric distribution around the first vertical shaft；The
The two sides of two vertical shafts are respectively equipped with third blade and quaterfoil, and third blade and quaterfoil are in center around the second vertical shaft
It is symmetrical；First blade, the second blade, third blade and quaterfoil section be S-shaped.
Further, it is in vertical distribution between the blade of two sides above transmission case.
Further, transmission case two sides are symmetrically arranged with connection frame, and connection frame end is provided with hollow installation spherical shell,
Connection frame is internally provided with drive rod, and the first vertical shaft and the second vertical shaft, which respectively correspond, to be protruded into installation spherical shell and nibble with drive rod
Transmission is closed, the first vertical shaft and the second vertical shaft are cooperated with installation spherical shell by rolling bearing respectively.
Further, installation spherical shell opens up jagged far from the end of connection frame, which extends to installation spherical shell
Hollow space.
Further, the first vertical shaft and the second vertical shaft lower part are equipped with bevel gear, and the end of drive rod is correspondingly provided with phase
The bevel gear of cooperation, the first vertical shaft and the second vertical shaft pass through bevel gear engaged transmission with drive rod respectively.
Further, the speed ratio of bevel gear is 1 on the first vertical shaft and bevel gear on the second vertical shaft and drive rod:
(1-2.5)。
Further, the speed ratio of bevel gear is 1:1 on the first vertical shaft and bevel gear on the second vertical shaft and drive rod.
Further, the steering engine for controlling blade initial position is additionally provided in rack.
3. beneficial effect
Using technical solution provided by the invention, compared with prior art, there is following remarkable result:
(1) a kind of wind generator system of the invention, including rack, generator unit and blade, the blade of every side are equal
It is centrosymmetric the S-shaped blade of distribution including two panels, twayblade design transmitting more large torque improves wind energy utilization, and blade
Mass Distribution is symmetrical with rotation axis, and mass center is located on rotation axis, and blade rotation can return to original state, because can expire
The requirement of the identical and radial self-balancing of sufficient blade running track；S-shaped blade makes on the basis of not changing original front face area
Blade vertical shaft two sides windward side coefficient of air resistance has certain difference, has certain pressure poor, and then reduces blade rotation resistance
Power improves wind energy utilization.
(2) a kind of wind generator system of the invention, connection frame end is provided with hollow installation spherical shell, and installs spherical shell
Far from connection frame end open up it is jagged, the notch extend to installation spherical shell hollow space so that installation spherical shell end
Opening is formed, hollow structure realizes integrally-built light-weight design, and the peace installation and dismantling of transmission gear are convenient in the setting of notch
It unloads.
(3) a kind of wind generator system of the invention, the first vertical shaft and the second vertical shaft pass through rolling with installation spherical shell respectively
Bearing fit is reduced because of influence of the air drag to vertical shaft reliability in the presence of processing and installation error.
(4) a kind of wind generator system of the invention, double sigmoid blade rotates stability with higher, in certain wind
Under fast and certain load, blade is rotated with certain angular speed, increases revolving speed if there is certain interference, zone of positive pressure contracting
Small and negative pressuren zone increases, and the driving moment of wind pressure declines immediately, generates the negative acceleration for main shaft, it is suppressed that blade adds
The trend of speed；Revolving speed is set to become smaller, whereas if there is certain interference, negative pressuren zone reduces and zone of positive pressure increases, the driving of wind pressure
Torque increases immediately, generates the positive acceleration for main shaft, it is suppressed that the trend that blade slows down, therefore there is the certainly steady of rotation
Determine characteristic, can be destroyed to avoid caused by wind energy conversion system overspeed rotation.
(5) a kind of wind generator system of the invention, wind generator system threshold wind velocity is small, can normally open under gentle breeze
Dynamic running, and the steering engine for adjusting blade angle is additionally provided on the bottom of rack, steering engine can control blade initial bit
It sets, the moment keeps the blade of side vertical with wind direction while being parallel to fuselage, so that sensitivity is higher, is convenient for wind energy conversion system
Starting improves wind energy utilization.
(6) a kind of wind generator system of the invention, the rotational angular velocity of blade is directly proportional to wind speed, energy fast and stable,
Stability is preferable；And adopt and be bolted connection between blade and vertical shaft, it is easy to disassemble, so that when wind speed is too strong, it can be quickly
Dismantle protection system.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of wind generator system of the invention；
Fig. 2 is a kind of structural schematic diagram of wind generator system of the invention；
Fig. 3 is a kind of left view structural representation of wind generator system of the invention；
Fig. 4 is a kind of schematic view of the front view of wind generator system of the invention；
Fig. 5 is a kind of overlooking structure diagram of wind generator system of the invention；
Fig. 6 is the Computing Principle schematic diagram of middle period each spot speed of on piece of the invention；
Blade surface pressure distribution schematic diagram when Fig. 7 is wind speed 5m/s in the present invention；
Blade surface pressure distribution schematic diagram when Fig. 8 is wind speed 10m/s in the present invention；
Blade surface pressure distribution schematic diagram when Fig. 9 is wind speed 15m/s in the present invention；
Blade surface pressure distribution schematic diagram when Figure 10 is wind speed 20m/s in the present invention；
Figure 11 is the electricity-generating method schematic diagram of wind generator system in the present invention.
Label declaration in schematic diagram:
100, rack；200, transmission case；210, connection frame；220, spherical shell is installed；230, notch；240, drive rod；
310, the first vertical shaft；320, the first blade；330, the second blade；340, the first accessory lobes；350, the second accessory lobes；360,
First cuts leaf；370, second leaf is cut；
410, the second vertical shaft；420, third blade；430, quaterfoil；440, third accessory lobes；450, the 4th accessory lobes；460,
Third cuts leaf；470, the 4th leaf is cut；500, through-hole.
Specific embodiment
To further appreciate that the contents of the present invention, in conjunction with attached drawing, the present invention is described in detail.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for the description present invention and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side
Position is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " the
Two ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
The present invention will be further described with reference to the examples below.
Embodiment 1
As shown in Figure 1-Figure 11, a kind of wind generator system of the present embodiment, including rack 100, generator unit and leaf
Piece, the side of rack 100 is provided with generator unit, and passes through Helical gear Transmission between rack 100 and generator unit；Machine
Transmission case 200 is provided with above frame 100,200 top two sides of transmission case are provided with blade, lead between blade and transmission case 200
Cross Bevel Gear Transmission, the blade of every side includes that two panels is centrosymmetric the S-shaped blade of distribution, and twayblade design transmitting is more
Large torque improves wind energy utilization.Specifically, blade construction forms wind energy conversion system in the present embodiment, which makes a connection using half
The design of structure principle, i.e., blade is with rotation half-turn while transmission device (transmission case 200) public affairs turn around itself.Blade strut rail
On the access of air-flow, rear biggish pressure difference forms resistance to air-flow in front of the blade, pushes blade rotation, and the blade of two sides turns
Dynamic corresponding by two pairs of Bevel Gear Transmissions to transmission case 200, then transmission case 200 passes through gear drive to rack 100, then passes through
A pair of of helical gear imparts power to generator unit (i.e. generator), generator unit rotation is driven, thus wind energy transformation
For electric energy.It is provided with transmission mate gear in transmission case 200, rack 100 and generator unit, by matching between gear
It closes transmission and realizes power transmission.Blade in the present embodiment, transmission case 200, rack 100 and generator unit internal gear
Conventional installation techniques in industry can be used in transmission installation settings, and this will not be detailed here.
Blade includes the first vertical shaft 310 and the second vertical shaft 410 for being set to 200 two sides of transmission case in the present embodiment, such as Fig. 1
Shown, the two sides of the first vertical shaft 310 are respectively equipped with the first blade 320 and the second blade 330, and the first blade 320 and the second leaf
Piece 330 is centrosymmetric distribution around the first vertical shaft 310；The two sides of second vertical shaft 410 are respectively equipped with third blade 420 and the 4th
Blade 430, and third blade 420 and quaterfoil 430 are centrosymmetric distribution around the second vertical shaft 410；First blade 320,
The section of two blades 330, third blade 420 and quaterfoil 430 is S-shaped, and forms central symmetry knot rotating around vertical shaft
Structure, Mass Distribution are symmetrical with rotation axis, and mass center is located on rotation axis, and blade rotation can return to original state, thus energy
Enough meet the requirement of the identical and radial self-balancing of blade running track.S-shaped blade on the basis of not changing original front face area,
Make blade vertical shaft two sides windward side coefficient of air resistance that there is certain difference, have certain pressure poor, and then reduces blade rotation
Resistance improves wind energy utilization.
As shown in Figure 1, be in vertical distribution between the blade of 200 top two sides of transmission case in the present embodiment under original state,
The wind-force of all directions can be efficiently used, improve wind energy utilization；And 200 two sides of transmission case are symmetrical in the present embodiment
It is provided with connection frame 210, as shown in figure 3,210 end of connection frame is provided with hollow installation spherical shell 220, and spherical shell 220 is installed
End far from connection frame 210 opens up jagged 230, which extends to the hollow space of installation spherical shell 220, so that
220 end of spherical shell is installed and forms opening, 210 inner hollow of connection frame and is internally provided with drive rod 240,310 He of the first vertical shaft
Second vertical shaft 410 respectively correspond protrude into installation spherical shell 220 and with the engaged transmission of drive rod 240, the first vertical shaft 310 and second
Vertical shaft 410 is cooperated with installation spherical shell 220 by rolling bearing respectively, is reduced because of air drag in the presence of processing and installation error
Influence to vertical shaft reliability.Hollow structure in the present embodiment realizes integrally-built light-weight design, and notch 230 is set
Set the installation and removal convenient for transmission gear.Specifically, the first vertical shaft 310 and 410 lower part of the second vertical shaft are equipped with bevel gear,
The end of drive rod 240 is correspondingly provided with the bevel gear matched, the first vertical shaft 310 and the second vertical shaft 410 respectively with drive rod 240
Pass through bevel gear engaged transmission；That is the first blade 320 and the second blade 330, the first vertical shaft 310 is arranged in 310 top of the first vertical shaft
Lower part passes through the lower arcuate wall of installation spherical shell 220, and is matched respectively by the lower arcuate wall of rolling bearing and installation spherical shell 220
It closes and fixes, the first vertical shaft 310, which is located on the part of installation 220 hollow region of spherical shell, is provided with bevel gear, corresponding biography
The bevel gear of cooperation is provided in lever 240, the structure of the second vertical shaft 410 is same as above, and the first vertical shaft 310 and the second vertical shaft 410
On bevel gear and drive rod 240 on the speed ratio of bevel gear be 1:1.Correspondence is provided in transmission case 200 and rack 100
Transmission gear, the rotation of the rotation synchronous drive drive rod 240 of vertical shaft, then drive rod 240 is located at the interior of transmission case 200
Section is additionally provided with gear, which is meshed transmission with the gear in rack 100, can successively pass the rotation of drive rod 240
Transmission case 200 and rack 100 are passed, and is ultimately transferred to generator unit and generates electricity.
Blade in the present embodiment forms shaft resistance type windmill, rotates under the pressure effect of wind, wind pressure depend on wind with
The relative velocity of blade.The speed for being illustrated in figure 6 any point on blade is calculated in the component of blade normal direction, and AB is one in Fig. 6
A blade, O are main shafts, and OC is half pivoted arm, and OC=R establishes S axis on blade AB, and direction BA, origin is C point, by half way around
The characteristics of mechanism, knows that the intersection point H point for the circle that the straight line where blade and radius are OC is a fixed point.When pivoted arm OC is from water
Prosposition is set to be turned over counterclockwiseWhen angle, blade AB is turned over from upright position is equidirectionalAngle, the forward direction of wind direction and conventional shaft Y axis
Angle is θ.If the angular speed of blade is ω, known by the characteristics of half-rotating mechanism, angular velocity vector Ω=2 ω of pivoted arm OC.Blade is flat
Face movement, instantaneous center of velocity are the other end P points of diameter where CO, and blade moving distance is s, the speed of any point D on blade
Component V of the V in blade normal directionnAre as follows:
Therefore
Double sigmoid blade rotates stability with higher, under certain wind speed and certain load, leaf in the present embodiment
Piece is rotated with certain angular speed, increases revolving speed if there is certain interference, S0(S0It is exactly zone of positive pressure and negative pressuren zone on blade
Separation coordinate, S0Size decide the stress condition of blade, also determine the working condition of wind energy conversion system) can subtract therewith
Small, zone of positive pressure reduces and negative pressuren zone increases, and the driving moment of wind pressure declines immediately, generates the negative acceleration for main shaft, suppression
The trend of blade acceleration is made；Revolving speed is set to become smaller, whereas if there is certain interference, S0Can increase with it, negative pressuren zone reduce and
Zone of positive pressure increases, and the driving moment of wind pressure increases immediately, generates the positive acceleration for main shaft, it is suppressed that blade slowed down
Trend, therefore, the wind energy conversion system in the present embodiment have the self-stable characteristic of rotation, can cause to avoid wind energy conversion system overspeed rotation
Destruction.
Stabilized (steady-state) speed is also kept when unloaded in the present embodiment, the S in stable rotation0< 0 is not in, once there is S0
< 0 the case where (i.e. wind energy conversion system revolving speed is larger,U refers to generator voltage), wind energy conversion system meeting automatic retarding, until
Until, S at this time0=0.On the other hand, if there is S0> 0 the case where (i.e. wind energy conversion system revolving speed is smaller,When), wind-force
Chance is automatically speeded up, untilUntil, also there is S at this time0=0.In S0When=0, the zero load without any damping loss is managed
Thinking wind energy conversion system can remain a constant speed rotation, therefore under certain wind speed, stabilized (steady-state) speed when ideal wind energy conversion system zero load
To sum up, under certain wind speed, maximum (top) speed, will occur in when wind energy conversion system zero loadAnd this revolving speed is stable.
Output revolving speed in the present embodiment through the analytical calculation wind energy conversion system in 50-80rpm (wind speed is 2 meter per seconds) can be protected
The output rated power for demonstrate,proving generator unit is 0.5KW/h, and the selection (by taking 0.5KW and 100w as an example) of generator unit is optional
Rare earth permanent magnet 500W generator or 100W micro permanent magnet electricity generator are selected, there is ultralow staring torque, compact-sized, small in size, again
Amount is light, the features such as running smoothly, is high-efficient, is easy to install, just safeguarding.
Wind energy conversion system in the present embodiment when twayblade is placed in the flow field that wind speed is Vw, and wind energy conversion system transforms wind energy into machinery
Can, according to following wind energy utilization calculation formula and parameter, the wind energy utilization η practical proof of the wind energy conversion system can be calculated
Between 30%-80%, being obviously improved 6 percent points than traditional, wherein M moree1For blade output torque, Vw refers to wind
Speed, ρ refer to atmospheric density, and Sw refers to blade in the projected area for dividing vertical velocity direction.
Wind energy conversion system frictional resistance moment is smaller in the present embodiment, and threshold wind velocity is small, and vane stress is more uniform, structure it is simple and
Long service life, and generator unit may be mounted at pylon low side side it is convenient to install and maintain, it is at low cost high-efficient, and
The steering engine for adjusting blade angle is additionally provided in the present embodiment on the bottom of rack 100, steering engine can adjust blade always
In direction windward, start convenient for wind energy conversion system, improves wind energy utilization；Wind energy conversion system in the present embodiment may be also used in street lamp,
Household, power plant etc., it is widely used.
The wind generator system threshold wind velocity of the present embodiment is small, under gentle breeze (wind scale 1, wind speed 1-1.5m/s)
Normal starting running, and the setting of steering engine, can control blade initial position, and the moment keeps the blade of side being parallel to machine
It is vertical with wind direction while body, so that sensitivity is higher；The rotational angular velocity of blade is directly proportional to wind speed, energy fast and stable, surely
It is qualitative preferable；It adopts and is bolted connection between blade and vertical shaft, it is easy to disassemble, so that when wind speed is too strong, it can fast quick-detach
Protection system；Wind energy conversion system using the Wei Sifu effect of half-rotating mechanism realize the rotation of blade, blade crosspiece air-flow access
On, rear biggish pressure difference forms resistance to air-flow in front of the blade, pushes blade rotation.
Surface pressure distribution of the blade under different wind speed and boundary condition calculates respectively such as Fig. 7-Figure 10 in the present embodiment
It is shown, it can be analyzed according to the calculated result under different wind speed and boundary condition, blade is calculated according to pressure-plotting
Spin velocity, the revolving speed of transmission case 200 is obtained, so that the input speed of generator unit is calculated, according to input speed
Select the model of generator.
A kind of wind power generation method of the present embodiment, as shown in figure 11, using wind generator system as described above, according to
Following steps generate electricity:
Step 1: pneumatic equipment bladess crosspiece is on current path, air-flow in front of the blade after pressure difference form resistance, push
Blade rotation；
Step 2: blade rotation is by gear drive to transmission case 200, transmission case 200 is by gear drive to rack
100；
Step 3: rack 100, by gear drive to generator unit, generator unit generates electricity, transforms wind energy into
For electric energy.
Embodiment 2
A kind of wind generator system of the present embodiment, basic structure is with embodiment 1, further, the present embodiment middle period
Piece further includes back blades, specifically, 310 two sides of the first vertical shaft is provided with the first accessory lobes 340 and the second accessory lobes 350, first is secondary
Leaf 340 and the second accessory lobes 350 are that arc shaped blade and the two in 310 two sides of the first vertical shaft form centrosymmetric S-shaped structure,
Arc-shaped recess section of the arc-shaped recess direction of first accessory lobes 340 with the first blade 320 close to the first vertical shaft 310 is oppositely arranged, the
Arc-shaped recess section of the arc-shaped recess direction of two accessory lobes 350 with the second blade 330 close to the first vertical shaft 310 is oppositely arranged, i.e., such as
In Fig. 2 shown in orientation, the S-shaped blade of the first blade 320 protrudes to the right close to the segmental arc of the first vertical shaft 310, the second leaf
The S-shaped blade of piece 330 protrudes to the left close to the segmental arc of the first vertical shaft 310, correspondingly, the first accessory lobes 340 be to
The segmental arc of left protrusion, the second accessory lobes 350 are the segmental arcs protruded to the right；And first accessory lobes 340 gradually to close to the first blade
320 direction extends outwardly, and the length that extends outwardly (the linear width distance i.e. between both ends) of the first accessory lobes 340 is the first leaf
Piece 320 extends outwardly the 1/5-1/3 of length, and the second accessory lobes 350 gradually extend outwardly to the direction close to the second blade 330, the
The length that extends outwardly of two accessory lobes 350 is that the second blade 330 extends outwardly the 1/5-1/3 of length, the first accessory lobes 340 and second
The curvature of accessory lobes 350 is not more than the segmental arc curvature of the first blade 320 and the second blade 330.
Similarly, the two sides of the second vertical shaft 410 are provided with third accessory lobes 440 and the 4th accessory lobes 450,440 He of third accessory lobes
4th accessory lobes 450 are that arc shaped blade and the two in 410 two sides of the second vertical shaft form centrosymmetric S-shaped structure, third accessory lobes
Arc-shaped recess section of the 440 arc-shaped recess direction with third blade 420 close to the second vertical shaft 410 is oppositely arranged, the 4th accessory lobes
Arc-shaped recess section of the 450 arc-shaped recess direction with quaterfoil 430 close to the second vertical shaft 410 is oppositely arranged, third accessory lobes
440 gradually extend outwardly to the direction close to third blade 420, and the 4th accessory lobes 450 are gradually to the side close to quaterfoil 430
To extending outwardly, the length that extends outwardly of third accessory lobes 440 is that third blade 420 extends outwardly the 1/5-1/3 of length, the 4th
The length that extends outwardly of accessory lobes 450 is that quaterfoil 430 extends outwardly the 1/5-1/3 of length, third accessory lobes 440 and fourth officer
The curvature of leaf 450 is not more than the segmental arc curvature of third blade 420 and quaterfoil 430.The present embodiment passes through setting accessory lobes knot
Structure helps to further increase wind energy utilization, and accessory lobes and the formation of close blade arc section gradually taper up region, facilitates
It stores air-flow and forms vortex, improve aeolian thrust, keep blade rotation more longlasting, and accessory lobes setting facilitates multidirectional promotion blade
Rotation, when wind shift, are also able to maintain balance and stability rotation, and wind energy utilization is higher.
The speed ratio of bevel gear on bevel gear and drive rod 240 in the present embodiment on the first vertical shaft 310 and the second vertical shaft 410
It is 1:2.
Embodiment 3
A kind of wind generator system of the present embodiment, basic structure is with embodiment 2, further, the present embodiment middle period
Piece further includes Qie Ye, and specifically, the first blade 320 is provided with first far from a lateral edge short transverse of the first vertical shaft 310 and cuts leaf
360, the second blade 330 is provided with second far from a lateral edge short transverse of the first vertical shaft 310 and cuts leaf 370, and first cuts leaf 360
Tilt and extend to the direction close to the first accessory lobes 340, and with the opposed, inwardly directed contraction of the first accessory lobes 340, and first cuts 360 edge of leaf
Direction thickness far from the first blade 320 is gradually reduced, and first cuts the top of leaf 360 along the direction far from the first blade 320
Extension is tilted down, the first bottom end for cutting leaf 360 tilts extension along the direction far from the first blade 320 upwards；Similarly,
Two cut leaf 370 to close to the second accessory lobes 350 direction inclination extend, and with the opposed, inwardly directed contraction of the second accessory lobes 350, second cuts
Leaf 370 is gradually reduced along the direction thickness far from the second blade 330, and second cuts the top of leaf 370 along far from the second blade
330 direction tilts down extension, and the second bottom end for cutting leaf 370 tilts upwards along the direction direction far from the second blade 330 prolongs
It stretches.
Similarly, third blade 420 far from a lateral edge short transverse of the second vertical shaft 410 is provided with third in the present embodiment
Leaf 460 is cut, quaterfoil 430 is provided with the 4th far from a lateral edge short transverse of the second vertical shaft 410 and cuts leaf 470, and third cuts leaf
460 tilt to the direction close to third accessory lobes 440 and extend, and with the opposed, inwardly directed contraction of third accessory lobes 440, and third cuts leaf 460
It is gradually reduced along the direction thickness far from third blade 420, and third cuts the top of leaf 460 along the side far from third blade 420
Extend to tilting down, the bottom end that third cuts leaf 460 tilts extension along the direction far from third blade 420 upwards；4th cuts leaf
470 tilt to the direction close to the 4th accessory lobes 450 and extend, and with the opposed, inwardly directed contraction of the 4th accessory lobes 450, and the 4th cuts leaf 470
It is gradually reduced along the direction thickness far from quaterfoil 430, and the 4th cuts the top of leaf 470 along the side far from quaterfoil 430
Extend to tilting down, the 4th bottom end for cutting leaf 470 tilts extension along the direction far from quaterfoil 430 upwards.The present embodiment
By the way that thickness gradually thin Qie Ye is arranged in blade two sides, leading edge slender lobule is formed in blade two sides, easily incision air-flow, hinder operation
Power is smaller, improves kinetic energy conversion, wind energy utilization efficiency is higher, and Qie Ye and corresponding accessory lobes match, and is formed in blade two sides
The region of relative constriction is conducive to be further formed air-flow vortex, promotes blade rotation, improves wind energy utilization.The present embodiment
In the first blade 320, the second blade 330, third blade 420 and quaterfoil 430 also respectively along far from vertical shaft direction thickness
It is gradually thinning, it is gradual change type thin wing structure, when rotation can preferably cut air-flow, reduce resistance, improve wind energy utilization.
The speed ratio of bevel gear on bevel gear and drive rod 240 in the present embodiment on the first vertical shaft 310 and the second vertical shaft 410
It is 1:2.5.
Embodiment 4
A kind of wind generator system of the present embodiment, basic structure is with embodiment 3, further, the present embodiment middle period
On piece also uniform intervals offer through-hole 500, as shown in figure 4, specifically, blade uniform intervals on the segmental arc of vertical shaft
It is provided with through-hole 500, i.e. the first blade 320 and the second blade 330 open up on the segmental arc close to the first vertical shaft 310 logical
Hole 500；Third blade 420 and quaterfoil 430 open up through-hole 500 on the segmental arc close to the second vertical shaft 410.This reality
The aperture size for applying the thickness direction through-hole 500 in example along blade is gradual change, and specifically, uniform intervals are set on every blade
Two kinds of reversed gradual change holes are set, along the aperture of the same thickness direction through-hole 500 of blade is tapered or flaring, i.e. on every blade
Offer multiple row through-hole 500 along short transverse, the aperture gradual change direction of the through-hole 500 of adjacent column be it is opposite, through-hole 500
Gradual change type design enable air-flow by when there is width to be accelerated to narrow, increase energy-flux density, realization negative-pressure ejecting, into one
Step enhancing kinetic energy conversion, improves wind energy utilization, and through-hole 500 is provided in the blade arc section of accessory lobes, with accessory lobes phase
Fiting effect is more preferable；The reversed through-hole 500 of multiple row is designed then to be able to achieve and be utilized to the equilibrium of the wind flow of all directions.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if this field it is common
Technical staff is enlightened by it, without departing from the spirit of the invention, is not inventively designed and the technical side
The similar frame mode of case and embodiment, are within the scope of protection of the invention.
Claims (9)
1. a kind of wind generator system, it is characterised in that: including rack (100), generator unit and blade, rack (100)
Side is provided with generator unit, and passes through Helical gear Transmission between rack (100) and generator unit；Above rack (100)
It is provided with transmission case (200), two sides are provided with blade above transmission case (200), pass through cone between blade and transmission case (200)
Gear drive, the blade of every side include that two panels is centrosymmetric the S-shaped blade of distribution.
2. a kind of wind generator system according to claim 1, it is characterised in that: blade includes being set to transmission case
(200) the first vertical shaft (310) and the second vertical shaft (410) of two sides, the two sides of the first vertical shaft (310) are respectively equipped with the first blade
(320) and the second blade (330), and the first blade (320) and the second blade (330) are centrosymmetric around the first vertical shaft (310)
Distribution；The two sides of second vertical shaft (410) are respectively equipped with third blade (420) and quaterfoil (430), and third blade (420)
It is centrosymmetric distribution with quaterfoil (430) around the second vertical shaft (410)；First blade (320), the second blade (330), third
The section of blade (420) and quaterfoil (430) is S-shaped.
3. a kind of wind generator system according to claim 1, it is characterised in that: the leaf of two sides above transmission case (200)
It is in vertical distribution between piece.
4. a kind of wind generator system according to claim 2, it is characterised in that: transmission case (200) two sides are symmetrical arranged
Have connection frame (210), connection frame (210) end is provided with hollow installation spherical shell (220), and connection frame (210) is internally provided with
Drive rod (240), the first vertical shaft (310) and the second vertical shaft (410) respectively correspond protrude into installation spherical shell (220) in and and drive rod
(240) engaged transmission, the first vertical shaft (310) and the second vertical shaft (410) are matched with installation spherical shell (220) by rolling bearing respectively
It closes.
5. a kind of wind generator system according to claim 4, it is characterised in that: installation spherical shell (220) is far from connection frame
(210) end opens up jagged (230), which extends to the hollow space of installation spherical shell (220).
6. a kind of wind generator system according to claim 4, it is characterised in that: the first vertical shaft (310) and the second vertical shaft
(410) lower part is equipped with bevel gear, and the end of drive rod (240) is correspondingly provided with the bevel gear matched, the first vertical shaft (310) and
Second vertical shaft (410) passes through bevel gear engaged transmission with drive rod (240) respectively.
7. a kind of wind generator system according to claim 6, it is characterised in that: the first vertical shaft (310) and the second vertical shaft
(410) speed ratio of bevel gear is 1:(1-2.5 on the bevel gear and drive rod (240) on).
8. a kind of wind generator system according to claim 7, it is characterised in that: the first vertical shaft (310) and the second vertical shaft
(410) speed ratio of bevel gear is 1:1 on the bevel gear and drive rod (240) on.
9. a kind of wind generator system according to claim 1-8, it is characterised in that: rack is also set on (100)
It is equipped with the steering engine for controlling blade initial position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810784298.8A CN108953064B (en) | 2018-07-17 | 2018-07-17 | A kind of wind generator system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810784298.8A CN108953064B (en) | 2018-07-17 | 2018-07-17 | A kind of wind generator system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108953064A true CN108953064A (en) | 2018-12-07 |
| CN108953064B CN108953064B (en) | 2019-08-09 |
Family
ID=64481397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810784298.8A Active CN108953064B (en) | 2018-07-17 | 2018-07-17 | A kind of wind generator system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108953064B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882360A (en) * | 2019-04-28 | 2019-06-14 | 易事特智能化***集成有限公司 | A kind of combined type wind driven generator group |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59190482A (en) * | 1983-04-13 | 1984-10-29 | Isamu Terado | Device for generating motive power by twin windmill |
| DE4026575A1 (en) * | 1990-08-22 | 1992-02-27 | Abraham Hans Peter | Wind-powered energy plant - has axial wind turbine coupled to generator drive via plate wheel |
| CN201250756Y (en) * | 2008-09-18 | 2009-06-03 | 张延民 | Dual-vertical-shaft mutual-compensation windmill |
| KR20110011193A (en) * | 2009-07-28 | 2011-02-08 | 승애림 | Blade of wind power generator |
| CN102889180A (en) * | 2012-09-26 | 2013-01-23 | 东华理工大学 | Vertical-axis multi-impeller wind power generator unit |
| CN103161671A (en) * | 2011-12-12 | 2013-06-19 | 苏郁夫 | Vertical type wind power generation device |
| CN203348004U (en) * | 2013-07-09 | 2013-12-18 | 东华理工大学 | Vertical-shaft multiple-impeller wind driven generator set |
| CN204226104U (en) * | 2014-08-27 | 2015-03-25 | 华东理工大学 | Small-sized hybrid vertical axis wind energy collecting device |
| CN105804933A (en) * | 2016-05-18 | 2016-07-27 | 桂林电子科技大学 | Double-rotating-vane vertical axis wind turbine |
| DE202018100654U1 (en) * | 2017-02-15 | 2018-05-17 | Ladislav Pejša | Schaufelpanetenantrieb |
-
2018
- 2018-07-17 CN CN201810784298.8A patent/CN108953064B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59190482A (en) * | 1983-04-13 | 1984-10-29 | Isamu Terado | Device for generating motive power by twin windmill |
| DE4026575A1 (en) * | 1990-08-22 | 1992-02-27 | Abraham Hans Peter | Wind-powered energy plant - has axial wind turbine coupled to generator drive via plate wheel |
| CN201250756Y (en) * | 2008-09-18 | 2009-06-03 | 张延民 | Dual-vertical-shaft mutual-compensation windmill |
| KR20110011193A (en) * | 2009-07-28 | 2011-02-08 | 승애림 | Blade of wind power generator |
| CN103161671A (en) * | 2011-12-12 | 2013-06-19 | 苏郁夫 | Vertical type wind power generation device |
| CN102889180A (en) * | 2012-09-26 | 2013-01-23 | 东华理工大学 | Vertical-axis multi-impeller wind power generator unit |
| CN203348004U (en) * | 2013-07-09 | 2013-12-18 | 东华理工大学 | Vertical-shaft multiple-impeller wind driven generator set |
| CN204226104U (en) * | 2014-08-27 | 2015-03-25 | 华东理工大学 | Small-sized hybrid vertical axis wind energy collecting device |
| CN105804933A (en) * | 2016-05-18 | 2016-07-27 | 桂林电子科技大学 | Double-rotating-vane vertical axis wind turbine |
| DE202018100654U1 (en) * | 2017-02-15 | 2018-05-17 | Ladislav Pejša | Schaufelpanetenantrieb |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882360A (en) * | 2019-04-28 | 2019-06-14 | 易事特智能化***集成有限公司 | A kind of combined type wind driven generator group |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108953064B (en) | 2019-08-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Liang et al. | A computational study of the effects of the radius ratio and attachment angle on the performance of a Darrieus-Savonius combined wind turbine | |
| KR100810990B1 (en) | Power generation system having vertical wind turbine of jet-wheel type for wind power | |
| Jung et al. | Aerodynamic performance prediction of a 30 kW counter-rotating wind turbine system | |
| US9464623B2 (en) | Method and device for power generation | |
| US5599168A (en) | Wind turbine adaptable to wind direction and velocity | |
| CA2645296A1 (en) | Annular multi-rotor double-walled turbine | |
| CN201730751U (en) | Megawatt-level vertical axis wind driven generator with adjustable angle of attack | |
| US20130017084A1 (en) | High efficiency verical axis wind turbine | |
| Kiwata et al. | Performance of a vertical axis wind turbine with variable-pitch straight blades utilizing a linkage mechanism | |
| CN105452648A (en) | Wind power generation tower provided with gyromill type wind turbine | |
| CN203098139U (en) | Counter-rotating double-impeller wind turbine structure suitable for minitype wind generator | |
| KR20120061264A (en) | Vertical axis wind turbine having cascaded mutiblade | |
| TW202122678A (en) | Vertical axis fluid energy converting device | |
| CN1719023B (en) | Resistance and lifting force composite wind pwoer device | |
| CN108953064B (en) | A kind of wind generator system | |
| CN102953928A (en) | Universal windmill with adjustable propeller length | |
| CN111535984B (en) | Cross-shaft tidal current energy water turbine with passive pitching adjusting device | |
| CN103629050B (en) | Pass through eddy flow aerogenerator | |
| CN108953059B (en) | A kind of power transmission unit for wind-power electricity generation | |
| CN108979964B (en) | A kind of Double-blade type wind power generation method | |
| CN103291539B (en) | Blade swing wing design method and H-type vertical axis wind turbine with blade swing wings | |
| CN105545583B (en) | Wind power generation blade and lee face go out to flow the determination method at tangent line inclination angle | |
| CN202031780U (en) | Vertical axis wind turbine | |
| CN109322785A (en) | The wind wheel apparatus of the coaxial birotor vertical axis windmill of nested type | |
| CN205663569U (en) | Extra -large -size wind generating set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 243000 Anhui city of Ma'anshan province Dangtu County Gu Shu Zhen Huang Chi Lu No. 8 Patentee after: MAANSHAN College Address before: 243100 No. 5 Huangchi Road, Guluo Town, Dangtu County, Ma'anshan City, Anhui Province Patentee before: INDUSTRIAL & COMMERCIAL College ANHUI UNIVERSITY OF TECHNOLOGY |