CN206738062U - A kind of power extraction formula wind power generation plant with resonant slots - Google Patents
A kind of power extraction formula wind power generation plant with resonant slots Download PDFInfo
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- CN206738062U CN206738062U CN201720244275.9U CN201720244275U CN206738062U CN 206738062 U CN206738062 U CN 206738062U CN 201720244275 U CN201720244275 U CN 201720244275U CN 206738062 U CN206738062 U CN 206738062U
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- wind
- electric capacity
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Abstract
The utility model discloses a kind of power extraction formula wind power generation plant with resonant slots, including wind-driven generator, resonant slots, electric capacity, power extraction switch, windward side force snesor, lee face force snesor, microcontroller, ON-OFF control circuit, voltage collection circuit, DC AC circuits, load.During wind-power electricity generation, the wind-force difference on fan blade two sides is obtained and compared with threshold value by the force snesor of each blade windward side and lee face, when more than threshold value, wind-force does work to generator, power extraction switches off electric capacity, and device absorbs wind energy and is stored in resonant tank；When less than threshold value, generator does work to frictional force and air, power extraction switch control electric capacity is parallel to the both ends of resonant capacitance, electric capacity is charged, judged whether by voltage collection circuit fully charged, after fully charged, power extraction switch control electric capacity is switched to DC AC circuit input ends and takes out energy.The utility model has the advantages that small volume, method is simple, and wind energy utilization efficiency is high.
Description
Technical field
It the utility model is related to a kind of wind power generation plant, more particularly to a kind of power extraction formula wind-force hair with resonant slots
Electric installation, belong to technical field of wind power generation.
Background technology
Wind energy is a kind of regenerative resource of cleanliness without any pollution, on a large scale using wind energy, wind-power electricity generation is popularized, to changing energy
Source structure, environmental protection have great importance.But wind energy energy density is relatively low, the uncertainty of wind direction and wind-force size, lead
Cause wind power generation efficiency to be difficult to improve always, how to improve the emphasis that wind power generation efficiency is always wind power technology research.
In the existing technology for improving generator efficiency, such as publication number CN2472400Y, by reducing generator rotary magnet
Magnetic leakage factor, so as to improve the efficiency of generator, but due to the presence of actual generator magnetic core, density of line of magnetic force is very
Height, it is limited to the room for promotion of generator efficiency to reduce leakage field.In the existing technology for improving wind power generation efficiency, such as Publication No.
CN102146887A, CN104696164A, baffle plate is set in the windward side of vertical axis aerogenerator, blocks air-flow and sent out in wind-force
Resistance is produced on motor wind wheel, rotation torque is improved, so as to improve wind power generation efficiency, but this method increase the complexity of structure
Property and unstability, under high wind conditions, are easily destroyed, and be suitable only for vertical axis aerogenerator；Such as publication number
For CN201696229U, CN102278280A, using a kind of wind gathering face device, increase air quantity, so as to improve wind power generation efficiency,
But the complexity and unstability of structure are this method increase, under high wind conditions, is easily destroyed, and improved efficiency is not
Substantially；Such as Publication No. CN102022258A, CN103147936A, CN102465844A, CN205559158U, it is design
New blade construction or different blade curves, optimize optimal leaf model, so as to improve wind power generation efficiency, but
Different leaves structure, its threshold wind velocity, optimum operation wind speed, tip-speed ratio, wind resistance are different, therefore to the wind speed of installation environment
It is it is required that higher.
Utility model content
Technical problem to be solved in the utility model is：A kind of power extraction formula wind-power electricity generation dress with resonant slots is provided
Put, by way of energy switch controls electric capacity, during wind-force changes, rational storage and transfer output energy, carry
The high efficiency of wind-driven generator.
The utility model uses following technical scheme to solve above-mentioned technical problem：
A kind of power extraction formula wind power generation plant with resonant slots, including：It is wind-driven generator, resonant slots, at least one
Electric capacity, at least one power extraction switch, windward side force snesor, lee face force snesor, microcontroller, switch control electricity
Road, voltage collection circuit, DC-AC circuits and load；Wherein, resonant slots include resonant inductance, resonant capacitance, resonant inductance with it is humorous
Both ends are given a dinner for a visitor from afar the output winding of power generator after the electric capacity that shakes series connection；Electric capacity is corresponded with power extraction switch, and power extraction is opened
Pass includes a moved end, two not moved ends, moved end connect respectively after electric capacity resonant capacitance one end, DC-AC circuits ground, bear
Carry, moved end does not meet the input of the resonant capacitance other end, voltage collection circuit, another motionless termination DC- respectively for one of them
The input of AC circuits；The input with voltage collection circuit, the load connection respectively of the output end of DC-AC circuits；Windward side power
Sensor, lee face force snesor are respectively arranged in the windward side of each blade of wind-driven generator, lee face, and windward side power passes
Sensor, the output end of lee face force snesor are connected with the input of microcontroller respectively, and the output end of microcontroller is through switch
The moved end that control circuit switchs with power extraction is connected, and the output end of voltage collection circuit and the input of microcontroller connect.
As a kind of preferred scheme of the present utility model, the wind-driven generator is vertical axis aerogenerator.
As a kind of preferred scheme of the present utility model, the ON-OFF control circuit is transistor drive circuit.
As a kind of preferred scheme of the present utility model, the microcontroller is STM32 single-chip microcomputers.
As a kind of preferred scheme of the present utility model, the DC-AC circuits are inverter.
As a kind of preferred scheme of the present utility model, the load is electrical appliance.
The utility model compared with prior art, has following technique effect using above technical scheme：
1st, the utility model utilizes resonant network, becomes hour in wind speed, and switching control electric capacity by power extraction is parallel to
On resonant tank, it will be taken out in the energy transfer being stored on resonant tank to electric capacity, the reasonable distribution of energy realized, so as to carry
High wind power generation efficiency.
2nd, the utility model is simple in construction, is easily installed, and electric capacity switching control is convenient, and generating efficiency lifting is obvious.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the power extraction formula wind power generation plant with resonant slots of the utility model.
Fig. 2 is a kind of control flow chart of the power extraction formula wind power generation plant with resonant slots of the utility model.
Fig. 3 is a kind of specific implementing circuit figure of power extraction formula wind power generation plant with resonant slots of the utility model.
Wherein, 1- wind-driven generators, 2- resonant slots, 3- electric capacity, 4- power extractions switch.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein
Same or similar label represents same or similar element or the element with same or like function from beginning to end.Lead to below
It is exemplary to cross the embodiment being described with reference to the drawings, and is only used for explaining the utility model, and can not be construed to this practicality
New limitation.
As shown in figure 1, for a kind of power extraction formula efficient wind-driven generator schematic diagram with resonant slots, device includes：
Wind-driven generator 1, resonant slots 2, electric capacity 3, power extraction switch 4, windward side force snesor, lee face force snesor, microcontroller
Device, ON-OFF control circuit, voltage collection circuit, DC-AC circuits, load.Wherein, resonant slots 2 are by resonant inductance and resonant capacitance
Composition.Wind-driven generator is a small-size vertical axis wind turbine, including generator pylon, generator base, blade, blade branch
Brace, generator, the circuit board being made up of microcontroller and its minimum system circuit, ON-OFF control circuit is placed in pylon, humorous
Groove, power extraction switch and electric capacity shake in the pedestal of generator, one of two input sending and receiving motors of resonant slots
Winding is exported, electric capacity both end voltage is output to load, and microcontroller controls power extraction to switch by ON-OFF control circuit, and power passes
Sensor is arranged on windward side and the lee face of each blade, is connected with microcontroller.Electric capacity is by multiple common polarity free capacitor groups
Into；Power extraction switch is made up of the single-pole double-throw switch (SPDT) of multiple independent controls；Microcontroller is STM32 single-chip microcomputers；Switch control
Circuit processed is transistor drive circuit；DC-AC circuits are inverter；Load as electrical appliance.
The utility model is the wind energy obtained using resonant slots storage generator, and control electric capacity is switched simultaneously by power extraction
It is linked on resonant tank, will be taken out in the energy transfer being stored on resonant tank to electric capacity, realize the reasonable distribution of energy, from
And improve wind power generation efficiency.During wind-power electricity generation, passed by the power installed in each blade windward side and lee face
Sensor measures the wind-force difference on fan blade two sides and compared with threshold value, so as to perceive the change of wind-force.When wind-force difference is more than threshold value
When, wind-force does work to generator, switches off electric capacity by power extraction, system absorbs wind energy and is stored in resonant tank；
When wind-force difference is less than threshold value, generator does work to frictional force and air, and switching control electric capacity by power extraction is parallel to
The both ends of resonant capacitance, charge to electric capacity, so as to by the energy transfer that resonant tank absorbs to electric capacity, be adopted by voltage
Collection module judges whether electric capacity is fully charged, and after fully charged, power extraction switch control electric capacity is switched to DC-AC circuit input ends will
Energy takes out on electric capacity.
As shown in Fig. 2 it is a kind of control flow of the power extraction formula efficient wind-driven generator with resonant slots, specifically such as
Under：
Step 1：Wind-driven generator is fixed, and wind-driven generator output winding is connected into resonant network input, by power
Sensor is arranged on the blade of wind-driven generator, completes the installation of the present apparatus, wind-driven generator starts running, and entrance is next
Step.
Step 2：The power supply of opening system, microcontroller read the power installed on each fan blade windward side and lee face and passed
The data of collection are handled by the wind-force value that sensor measures, and calculate wind-force average value and the back of the body that windward side force snesor measures
The wind-force average value that wind face force snesor measures, makes the difference to the two and compared with the threshold value of setting.Into in next step.
Step 3：If difference is more than threshold value, illustrate that generator is rotated by external force, generator absorbs wind energy and is stored in humorous
Shake in loop, into step 4；If difference is less than threshold value, illustrate generator by inertial rotation, the mistake that generator speed slows down
Cheng Zhong, blade do work to frictional force and air, the energy stored in resonant tank are consumed, into step 5.
Step 4：Microprocessor control power extraction switches off electric capacity, resonant tank is absorbed wind energy as far as possible.Return
Return step 3.
Step 5：Microprocessor control power extraction switchs the both ends that electric capacity is parallel to resonant capacitance, by resonant tank
The energy transfer of middle storage is on electric capacity, and after monitoring that electric capacity charging voltage reaches peak value by voltage acquisition module, control
Electric capacity is switched to DC-AC circuits by power extraction switch, and energy transfer on electric capacity is exported.Return to step three.
As shown in figure 3, be the circuit system schematic diagram of specific implementation, two inputs of resonant slots are given a dinner for a visitor from afar power generator
An output winding, be wound on 1000 circle coils on magnetic core and be used as resonant inductance, what selection 600UF/450V was pressure-resistant is nonpolarity
Electric capacity chooses the pressure-resistant polarity free capacitors of 3 200UF/450V as power extraction electric capacity, chooses 3 Europe as resonant capacitance
Nurse dragon HF46F-5-HS1 relays switch as 3 power extractions, control whether these electric capacity are parallel to resonant capacitance two respectively
End.Using STM32F103ZET6 single-chip microcomputers and its minimum system structure governor circuit, using MMBT2907A triodes as every
The driving of individual relay switch, the base stage of each triode are connected on the I/O mouths of single-chip microcomputer.Using multiple force snesors, divide
Not An Zhuan each blade windward side and lee face, and carry ADC by what each sensor data cable was respectively connected to single-chip microcomputer
On the I/O mouths of passage, by the voltage at resonant capacitance both ends after resistor voltage divider network reduces voltage, it is input to single-chip microcomputer and carries
On the I/O mouths of ADC channel, voltage peak is monitored.
Implementing circuit, which is built, to be finished, open system power supply, during wind-power electricity generation, is read according to single-chip microcomputer all
The measured value of the pressure sensor of windward side and lee face on blade, by the value of all windward side sensors and lee face sensor
Average respectively, the two makes the difference, by difference compared with the threshold value of measuring.If difference is more than threshold value, illustrate outer
Power is done work to generator, and generator constantly absorbs wind energy and is stored in resonant tank, and now single-chip microcomputer should control relay immediately
Device disconnects electric capacity, and continues to read and calculate windward side and the wind-force difference of lee face, again compared with threshold value.If currently windward
The pressure difference value of face and lee face is less than threshold value, then illustrates that generator does work to frictional force and air, be stored in resonant tank
Energy be lost as generator speed slowly reduces, now single-chip microcomputer should control relay electric capacity in parallel upper immediately, to electricity
Appearance is charged, and by the energy transfer stored in resonant tank to electric capacity, DC-AC circuits gather the voltage at electric capacity both ends, and
Determine whether peak-peak, then waited if minimum value, if maximum, then illustrate fully charged on electric capacity, single-chip microcomputer should be stood
I.e. electric capacity is switched to DC-AC circuit input ends by control relay, is exported the energy on electric capacity by inverter circuit, now wind
Power generator rotating speed declines immediately, and generator frequency and amplitude reduce immediately, and single-chip microcomputer continues to read and calculate windward side and the back of the body
The wind-force difference in wind face, again compared with threshold value.So circulation, constantly according to the change of windward side and lee face wind-force, monolithic
Machine control relay switch-capacitor, when wind-force actively does work to generator, system absorbs wind energy and is stored in resonant tank,
When generator externally actively does work, system will export in the energy transfer being stored in resonant tank to electric capacity, so as to realize
The reasonable distribution of energy, reduction have absorbed wind loss of energy, have improved the efficiency of wind-power electricity generation.
Above example is only to illustrate technological thought of the present utility model, it is impossible to limits protection model of the present utility model with this
Enclose, it is every according to the utility model proposes technological thought, any change done on the basis of technical scheme, each fall within this reality
Within the scope of novel protected.
Claims (6)
- A kind of 1. power extraction formula wind power generation plant with resonant slots, it is characterised in that including：Wind-driven generator, resonant slots, At least one electric capacity, at least one power extraction switch, windward side force snesor, lee face force snesor, microcontroller, switch Control circuit, voltage collection circuit, DC-AC circuits and load；Wherein, resonant slots include resonant inductance, resonant capacitance, resonance electricity Both ends are given a dinner for a visitor from afar the output winding of power generator after sense is connected with resonant capacitance；Electric capacity corresponds with power extraction switch, energy Extract switch include a moved end, two not moved end, moved end be connected after electric capacity with resonant capacitance one end, moved end after electric capacity and The ground terminal connection of DC-AC circuits, moved end connect after electric capacity with load, and to connect resonant capacitance respectively not another for moved end for one of them End, the input of voltage collection circuit, the input of another motionless termination DC-AC circuit；The output end difference of DC-AC circuits Input, load connection with voltage collection circuit；Windward side force snesor, lee face force snesor are respectively arranged in wind-force hair The windward side of each blade of motor, lee face, and the output end of windward side force snesor, lee face force snesor respectively with micro-control The input connection of device processed, the output end of microcontroller are connected through ON-OFF control circuit with the moved end that power extraction switchs, voltage The output end of Acquisition Circuit and the input of microcontroller connect.
- 2. the power extraction formula wind power generation plant with resonant slots according to claim 1, it is characterised in that the wind-force hair Motor is vertical axis aerogenerator.
- 3. the power extraction formula wind power generation plant with resonant slots according to claim 1, it is characterised in that the switch control Circuit processed is transistor drive circuit.
- 4. the power extraction formula wind power generation plant with resonant slots according to claim 1, it is characterised in that the microcontroller Device is STM32 single-chip microcomputers.
- 5. the power extraction formula wind power generation plant with resonant slots according to claim 1, it is characterised in that the DC-AC Circuit is inverter.
- 6. the power extraction formula wind power generation plant with resonant slots according to claim 1, it is characterised in that the load is Electrical appliance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720244275.9U CN206738062U (en) | 2017-03-14 | 2017-03-14 | A kind of power extraction formula wind power generation plant with resonant slots |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720244275.9U CN206738062U (en) | 2017-03-14 | 2017-03-14 | A kind of power extraction formula wind power generation plant with resonant slots |
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| Publication Number | Publication Date |
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| CN206738062U true CN206738062U (en) | 2017-12-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061165A (en) * | 2017-03-14 | 2017-08-18 | 南京信息工程大学 | A kind of power extraction formula wind power generation plant with resonant slots and method |
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2017
- 2017-03-14 CN CN201720244275.9U patent/CN206738062U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061165A (en) * | 2017-03-14 | 2017-08-18 | 南京信息工程大学 | A kind of power extraction formula wind power generation plant with resonant slots and method |
| CN107061165B (en) * | 2017-03-14 | 2023-07-04 | 南京信息工程大学 | Energy extraction type wind power generation device with resonant tank and method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |