CN108131242A - A kind of vertical axis aerogenerator and its application method for improving wind energy utilization - Google Patents
A kind of vertical axis aerogenerator and its application method for improving wind energy utilization Download PDFInfo
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- CN108131242A CN108131242A CN201810122057.7A CN201810122057A CN108131242A CN 108131242 A CN108131242 A CN 108131242A CN 201810122057 A CN201810122057 A CN 201810122057A CN 108131242 A CN108131242 A CN 108131242A
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- fan blade
- wind
- hydraulic cylinder
- blade
- controller
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000001133 acceleration Effects 0.000 claims description 8
- 230000001154 acute effect Effects 0.000 claims description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 4
- UJCHIZDEQZMODR-BYPYZUCNSA-N (2r)-2-acetamido-3-sulfanylpropanamide Chemical class CC(=O)N[C@@H](CS)C(N)=O UJCHIZDEQZMODR-BYPYZUCNSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000011218 segmentation 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
- F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
-
- 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
- F03D3/06—Rotors
- F03D3/062—Rotors characterised by their construction elements
-
- 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
- F03D7/00—Controlling wind motors
- F03D7/06—Controlling wind motors the wind motors having rotation axis substantially perpendicular to the air flow entering the rotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/30—Control parameters, e.g. input parameters
- F05B2270/321—Wind directions
-
- 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
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- 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)
- Wind Motors (AREA)
Abstract
The present invention provides a kind of vertical axis aerogenerator and its application method for improving wind energy utilization, including fan blade, automatic drive device and to wind controller.Fan blade includes the first fan blade and the second fan blade, and the second fan blade is articulated at the blade tip of the first fan blade;Automatic drive device includes driving motor, hydraulic cylinder and scale spring, and hydraulic cylinder and scale spring are all connected with the first fan blade and the second fan blade.During the fan blade rotation of the present invention, automatic drive device is controlled according to fan blade rotational angle to wind controller, hydraulic cylinder is acted under the action of driving motor, the wind area on the pressure side making the second fan blade in fan blade is maximum, and make the wind area of the second fan blade minimum in suction side, scale spring records rotation angle of second fan blade relative to the first fan blade simultaneously, and is back to wind controller to realize the real-time correction of angle.The present invention can make fan blade backhaul windage minimum using the above structure, and process windage is maximum, significantly improve the wind energy utilization of vertical axis aerogenerator.
Description
Technical field
The present invention relates to a kind of wind-driven generator, more particularly, to a kind of vertical axis wind power generation for improving wind energy utilization
Machine and its application method.
Background technology
Existing vertical axis aerogenerator, fan blade are fixedly installed on pedestal in integral type, cause in wind-force mostly
Under the action of a part of fan blade make positive work, and another part fan blade makees negative work, is finally underutilized wind energy, reduces
The utilization ratio of wind energy.
The symmetry fan blade of existing vertical axis aerogenerator fan blade generally use NACA series, this is because vertical axis
Fan blade can be alternately at runtime becomes positive pressure side and suction side, the wind-force that can be more consolidated in this way for wind-driven generator
Electric generator structure, but simultaneously there is also it is following the problem of:
1st, wind energy utilization is not high, and while fan blade alternately becomes positive pressure side and suction side, positive pressure side fan blade makees positive work, and bears
Pressure crosswind leaf then makees negative work, thus during fan blade rotates, needs that suction side is overcome to bear to what shaft was brought to a certain degree
Torque, so as to reduce the utilization ratio of wind energy.
2nd, the vertical axis aerogenerator of the prior art also has the situation for being segmented fan blade, but terminates in this mostly, not right
Multistage fan blade after segmentation carries out real-time angular control, makes the wind area in positive pressure side and suction side not up to optimal.
Invention content
In order to solve the above technical problem, the present invention provides a kind of simple in structure, operate steadily and the utilization rate of wind energy is high
Vertical axis aerogenerator and its application method.
The technical solution adopted by the present invention is as follows:Including shaft, fan blade, anemoscope, automatic drive device, to wind controller,
Pedestal and footstock.Fan blade includes the first fan blade and the second fan blade, and the blade root of the second fan blade is articulated at the blade tip of the first fan blade, and two
Person can realize relative rotation.Anemoscope is fixedly installed on vertical axis aerogenerator footstock, automatic to record wind direction and by wind direction
Data real-time delivery is given to wind controller.Automatic drive device includes driving motor, hydraulic cylinder and scale spring, wherein, hydraulic pressure
Cylinder and scale spring are fixedly connected with the first fan blade and the second fan blade;Hydraulic cylinder realizes rectilinear direction by controlling wind controller
It is flexible, while hydraulic cylinder extension, the second fan blade is realized with the first fan blade and is relatively rotated, and the second fan blade at it as just
When pressing side, wind area is maximum always, and when the second fan blade becomes suction side, wind area is minimum always;The positive pressure side
It is acute angle for its rotary speed direction in fan blade rotation process and the angle of wind speed direction, makees the side fan blade of positive work, the suction side
It is obtuse angle for its rotary speed direction in fan blade rotation process and the angle of wind speed direction, makees the side fan blade of negative work.
For the hydraulic cylinder while rectilinear direction is stretched, scale spring records the first fan blade and the opposite of the second fan blade turns
Angle, and the relative rotation value real-time delivery is given to wind controller, realize the real-time correction of fan blade angle;It is described to wind controller
In the wind direction data for receiving the relative rotation value and the anemoscope, control signal is exported to driving motor, to control
The linear advancement speed of the hydraulic cylinder and linear advancement acceleration are made, so that the wind area of the second fan blade is maximum or minimum.
The scale spring is dish type scale spring, and with dish type dial.
During the fan blade rotation of the present invention, automatic drive device is controlled according to fan blade rotational angle to wind controller, in driving electricity
Hydraulic cylinder extension is acted under the action of machine, the wind area that the second fan blade is made in fan blade positive pressure side is maximum always, and in negative pressure
Side makes the wind area of the second fan blade minimum always, while scale spring records rotation angle of second fan blade relative to the first fan blade
Degree, and be back to wind controller to realize the real-time correction of angle.
The both ends of the hydraulic cylinder are respectively fixedly connected on the line of the blade root and blade tip of the first fan blade and the second fan blade,
Centre symmetry line of the line for the first fan blade and the second fan blade, and two endpoints are located at the first fan blade and the second fan blade leaf respectively
The point midway of root and blade tip line.
When the fan blade is located at positive pressure side, fan blade plane is basically perpendicular to wind speed direction, makes the wind area of fan blade always
Maximum, when the fan blade is located at suction side, fan blade plane is basically parallel to wind speed direction, makes the wind area of fan blade always most
It is small.
The present invention also provides a kind of application method for the vertical axis aerogenerator for improving wind energy utilization, including following step
Suddenly:
Step 1:When vertical axis aerogenerator operates, anemoscope measures real-time wind direction, and wind direction data is passed to wind
Controller;
Step 2:When fan blade reaches positive pressure side or suction side, to the control driving motor driving hydraulic cylinder action of wind controller, root
Hydraulic cylinder linear advancement speed and linear advancement acceleration are specifically controlled according to wind direction data, fan blade plane is made to be kept with wind speed direction
Special angle;The positive pressure side is that its rotary speed direction and the angle of wind speed direction are acute angle, make positive work in fan blade rotation process
Side fan blade, the suction side are that its rotary speed direction and the angle of wind speed direction are obtuse angle, make negative work in fan blade rotation process
Side fan blade;
Step 3:Scale spring records the relative rotation of the first fan blade and the second fan blade, and passes it to wind controller;
Step 4:It is described to wind controller in the wind direction data for receiving the relative rotation and the anemoscope, output control
Signal processed is to driving motor, to control the linear advancement speed of the hydraulic cylinder and linear advancement acceleration, so that the second wind
The wind area of leaf is maximum or minimum.
When the fan blade is located at positive pressure side, to the control driving motor driving hydraulic cylinder action of wind controller, make fan blade plane
Basically perpendicular to wind speed direction, the wind area of fan blade is maximum always at this time, when the fan blade is located at suction side, to wind controller
The action of driving motor driving hydraulic cylinder is controlled, fan blade plane is made to be basically parallel to wind speed direction, the wind area of fan blade begins at this time
It is minimum eventually.
The step 1- steps 4 are carried out at the same time.
Compared with prior art, the beneficial effects of the invention are as follows:
Impeller of blower is segmented by the present invention, on the basis of traditional fixation fan blade, increases what can be rotated around the first fan blade
Second fan blade, by wind area, fan blade backhaul windage being made to reach minimum, process windage wind controller the second fan blade of control
Reach maximum, significantly improve the wind energy utilization of vertical axis aerogenerator.
Description of the drawings
Fig. 1 is the schematic top plan view of the structure of the present invention;
Fig. 2 is motion process schematic diagram of the present invention.
Specific embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings.
The present invention include shaft, fan blade, anemoscope, automatic drive device, to wind controller, pedestal, footstock.Fan blade includes the
One fan blade 1 and the second fan blade 2, the second fan blade 2 are articulated at the blade tip of the first fan blade 1, and the two can be achieved to relatively rotate.
The anemoscope is fixedly installed on vertical axis aerogenerator footstock, and automatic record wind direction is simultaneously real by wind direction data
When pass to it is described to wind controller.
The automatic drive device includes driving motor, hydraulic cylinder 3 and scale spring 4, wherein, hydraulic cylinder 3 and scale bullet
Spring 4 is fixedly connected with the first fan blade 1 and the second fan blade 2;Hydraulic cylinder 3 realizes the flexible of rectilinear direction by controlling wind controller,
While hydraulic cylinder 3 stretches, the second fan blade 2 and the first fan blade 1 are realized and are relatively rotated, and the second fan blade 2 becomes positive pressure at it
During side, wind area is maximum always, and when the second fan blade 2 becomes suction side, wind area is minimum always;The positive pressure side is
Its rotary speed direction and the angle of wind speed direction are acute angle, make the side fan blade of positive work in fan blade rotation process, and the suction side is
Its rotary speed direction and the angle of wind speed direction are obtuse angle, make the side fan blade of negative work in fan blade rotation process.
The both ends of the hydraulic cylinder 3 are respectively fixedly connected with the line in the blade root and blade tip of the first fan blade 1 and the second fan blade 2
On, centre symmetry line of the line for the first fan blade 1 and the second fan blade 2, and two endpoints are located at the first fan blade 1 and second respectively
2 blade root of fan blade and the point midway of blade tip line.
For the hydraulic cylinder 3 while rectilinear direction is stretched, scale spring 4 records the phase of the first fan blade 1 and the second fan blade 2
It is given to corner, and by the relative rotation value real-time delivery to wind controller, realizes the real-time correction of fan blade angle;It is described to air control
Device processed exports control signal to driving motor, uses in the wind direction data for receiving the relative rotation value and the anemoscope
To control the linear advancement speed of the hydraulic cylinder 3 and linear advancement acceleration so that the wind area of the second fan blade it is maximum or
It is minimum.
Impeller of blower is segmented by the present invention, and on the basis of traditional fixation fan blade, increase can be 1 turn around the first fan blade
The second dynamic fan blade 2, by wind controller is controlled the second fan blade 2 to wind area, fan blade backhaul windage is made to reach minimum, into
Journey windage reaches maximum, while can be back to wind controller to realize by the relative rotation value of the first fan blade 1 and the second fan blade 2
The real-time correction of angle significantly improves the wind energy utilization of vertical axis aerogenerator.
The present invention also provides a kind of application method for the vertical axis aerogenerator for improving wind energy utilization, including following step
Suddenly:
Step 1:When vertical axis aerogenerator operates, anemoscope measures real-time wind direction, and wind direction data is passed to wind
Controller;
Step 2:When fan blade reaches positive pressure side or suction side, wind controller control driving motor driving hydraulic cylinder 3 is acted, root
3 linear advancement speed of hydraulic cylinder and linear advancement acceleration are specifically controlled according to wind direction data, fan blade plane is made to be protected with wind speed direction
Hold special angle;
Step 3:Scale spring 4 records the relative rotation of the first fan blade 1 and the second fan blade 2, and passes it to wind controller;
Step 4:It is described to wind controller in the wind direction data for receiving the relative rotation and the anemoscope, output control
Signal processed is to driving motor, to control the linear advancement speed of the hydraulic cylinder 3 and linear advancement acceleration, so that the second wind
The wind area of leaf is maximum or minimum.
When the fan blade is located at positive pressure side, wind controller control driving motor driving hydraulic cylinder 3 is acted, makes fan blade plane
Basically perpendicular to wind speed direction, the wind area of fan blade is maximum always at this time, when the fan blade is located at suction side, to wind controller
Control driving motor driving hydraulic cylinder 3 acts, and fan blade plane is made to be basically parallel to wind speed direction, and the wind area of fan blade begins at this time
It is minimum eventually.
The step 1- steps 4 are carried out at the same time.
Described above is specific embodiments of the present invention.It is for illustration purposes only it should be appreciated that describing the embodiment, and
Those skilled in the art can make many changes and improvements without departing from the spirit and scope of the present invention.All improvement and
Variation is all intended to include in the scope of the invention limited by claim and its equivalent.
Claims (4)
1. a kind of vertical axis aerogenerator for improving wind energy utilization, it is characterised in that:Including shaft, fan blade, anemoscope, from
Driving device, to wind controller, pedestal, footstock;Fan blade includes the first fan blade and the second fan blade, and the blade root of the second fan blade is articulated with
At the blade tip of first fan blade, the two, which is realized, to be relatively rotated;The anemoscope is fixedly installed on vertical axis aerogenerator footstock,
For recording wind direction automatically, and simultaneously by wind direction data real-time delivery to described to wind controller;The automatic drive device includes
There are driving motor, hydraulic cylinder and scale spring, wherein, the both ends of hydraulic cylinder are respectively fixedly connected in the first fan blade and the second fan blade
On;The driving motor is by controlling wind controller, to realize hydraulic cylinder stretching in rectilinear direction, in hydraulic cylinder extension
Meanwhile second fan blade and the first fan blade realize and relatively rotate that make the second fan blade when it becomes positive pressure side, wind area is always most
Greatly, and when the second fan blade becomes suction side, wind area is minimum always;The positive pressure side is its rotating speed in fan blade rotation process
The angle of direction and wind speed direction is acute angle, makees the side fan blade of positive work, and the suction side is its rotating speed in fan blade rotation process
Direction is obtuse angle, makees the side fan blade of negative work with wind speed direction angle;The hydraulic cylinder is while rectilinear direction is stretched, scale
Spring records the relative rotation of the first fan blade and the second fan blade, and the relative rotation value real-time delivery is given to wind controller, real
The real-time correction of existing fan blade angle;It is described to wind controller in the wind direction number for receiving the relative rotation value and the anemoscope
According to when, export control signal to driving motor, to control the linear advancement speed of the hydraulic cylinder and linear advancement acceleration,
So that the wind area of the second fan blade is maximum or minimum;The scale spring is dish type scale spring, and with dish type scale
Disk;The both ends of the hydraulic cylinder are respectively fixedly connected on the line of the blade root and blade tip of the first fan blade and the second fan blade, the company
Centre symmetry line of the line for the first fan blade and the second fan blade, and two endpoints be located at respectively the first fan blade and the second fan blade blade root with
The point midway of blade tip line;When the fan blade is located at positive pressure side, fan blade plane be basically perpendicular to wind speed direction, make fan blade by
Wind area is maximum always, and when the fan blade is located at suction side, fan blade plane is basically parallel to wind speed direction, makes the wind surface of fan blade
Product is minimum always.
2. a kind of application method for the vertical axis aerogenerator for improving wind energy utilization, including appointing according in the claims
Vertical axis aerogenerator described in one, it is characterised in that:It the described method comprises the following steps:
Step 1:When vertical axis aerogenerator operates, anemoscope measures real-time wind direction, and wind direction data is passed to wind
Controller;
Step 2:When fan blade reaches positive pressure side or suction side, to the control driving motor driving hydraulic cylinder action of wind controller, root
Hydraulic cylinder extension speed is specifically controlled according to wind direction data, fan blade plane is made to keep special angle with wind speed direction;The positive pressure side
It is acute angle for its rotary speed direction in fan blade rotation process and the angle of wind speed direction, makees the side fan blade of positive work, the suction side
It is obtuse angle for its rotary speed direction in fan blade rotation process and the angle of wind speed direction, makees the side fan blade of negative work;
Step 3:Scale spring records the relative rotation of the first fan blade and the second fan blade, and passes it to wind controller;
Step 4:It is described to wind controller in the wind direction data for receiving the relative rotation and the anemoscope, output control
Signal is to driving motor, to control the linear advancement speed of the hydraulic cylinder and linear advancement acceleration, so that the second fan blade
Wind area it is maximum or minimum.
3. a kind of application method of vertical axis aerogenerator for improving wind energy utilization according to claim 2, special
Sign is:When the fan blade is located at positive pressure side, to the control driving motor driving hydraulic cylinder action of wind controller, make fan blade plane base
This is perpendicular to wind speed direction, and the wind area of fan blade is maximum always at this time, when the fan blade is located at suction side, to wind controller control
Driving motor driving hydraulic cylinder processed action, makes fan blade plane be basically parallel to wind speed direction, and the wind area of fan blade is always at this time
It is minimum.
4. a kind of application method of the vertical axis aerogenerator of raising wind energy utilization according to Claims 2 or 3,
It is characterized in that:The step 1- steps 4 are carried out at the same time.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810122057.7A CN108131242A (en) | 2018-02-07 | 2018-02-07 | A kind of vertical axis aerogenerator and its application method for improving wind energy utilization |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810122057.7A CN108131242A (en) | 2018-02-07 | 2018-02-07 | A kind of vertical axis aerogenerator and its application method for improving wind energy utilization |
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Publication Number | Publication Date |
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CN108131242A true CN108131242A (en) | 2018-06-08 |
Family
ID=62430516
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CN201810122057.7A Pending CN108131242A (en) | 2018-02-07 | 2018-02-07 | A kind of vertical axis aerogenerator and its application method for improving wind energy utilization |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109826753A (en) * | 2019-03-01 | 2019-05-31 | 陈二东 | A kind of anti-blast type marine power generation device |
CN110552844A (en) * | 2019-08-29 | 2019-12-10 | 靳军 | Power generation device |
-
2018
- 2018-02-07 CN CN201810122057.7A patent/CN108131242A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109826753A (en) * | 2019-03-01 | 2019-05-31 | 陈二东 | A kind of anti-blast type marine power generation device |
CN110552844A (en) * | 2019-08-29 | 2019-12-10 | 靳军 | Power generation device |
US11499521B2 (en) | 2019-08-29 | 2022-11-15 | Jun Jin | Power generation device |
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Application publication date: 20180608 |