CN109869276A - A kind of double duct vertical axis aerogenerators - Google Patents
A kind of double duct vertical axis aerogenerators Download PDFInfo
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- CN109869276A CN109869276A CN201711431665.8A CN201711431665A CN109869276A CN 109869276 A CN109869276 A CN 109869276A CN 201711431665 A CN201711431665 A CN 201711431665A CN 109869276 A CN109869276 A CN 109869276A
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- 238000010248 power generation Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 3
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
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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
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
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Abstract
The present embodiments relate to wind power generation fields, provide a kind of double duct vertical axis aerogenerators, a kind of double duct vertical axis aerogenerators specifically include that by-pass air duct, main duct, butterfly valve cabin, impeller cabin, pressure chamber, generator bay, main duct deflector, by-pass air duct deflector, a kind of double duct vertical axis aerogenerators obtain by by-pass air duct and main duct and absorb wind energy, then mechanical energy is converted wind energy by impeller cabin internal unit impeller, electric energy is converted mechanical energy by generator bay equipment generator, pressure chamber and butterfly valve cabin control the sizes of a kind of double start and stop of duct vertical axis aerogenerator and output load, main duct deflector and by-pass air duct deflector are mainly used to divide the air-flow from all directions, since structure of the embodiment of the present invention is simple, without yaw system, on-bladed pitch-controlled system , construction cost and later maintenance cost are lower, wind-driven generator degree electricity cost can be greatly reduced.
Description
Technical field
The present invention relates to wind power generation fields, are a kind of high-efficiency and low-cost wind power generating sets.
Background technique
With the development of wind generating technology, conventional three blade trunnion axis upwind wind power generating sets, since structure is multiple
Miscellaneous, wind energy utilization can only achieve 0.45 or so, along with the important components frequent breakage such as generator, gear-box, current transformer and
Replacement, later maintenance cost is larger, therefore conventional wind generator, there are construction cost height, time-to-revenue is long, later period dimension
The problems such as protecting heavy workload, such as wind farm siting and Unit Selection slightly deviation, along with the factors such as ration the power supply, wind power plant later period fortune
It is about to will appear loss phenomenon.
Summary of the invention
The object of the present invention is to provide a kind of double duct vertical axis aerogenerators, solve existing wind-driven generator, wind energy
The problems such as utilization rate is low, construction cost is high, later maintenance cost is larger.
The one aspect of the embodiment of the present invention provides a kind of double duct vertical axis aerogenerators, comprising: by-pass air duct,
Main duct, butterfly valve cabin, impeller cabin, pressure chamber, generator bay, main duct deflector, by-pass air duct deflector.
The by-pass air duct is used to absorb wind energy, and promotes air-flow velocity, and the by-pass air duct shape is upper bottom surface and bottom surface
For polygon, incline be the class terrace with edge of the combination lines of straight line and curve or upper bottom surface and bottom surface be it is round, bus is straight
The class rotary table of the combination lines of line and curve；Several by-pass air duct partitions by by-pass air duct shell, main duct shell, butterfly valve out of my cabin shell,
Shell is joined together to form the sub- duct of several by-pass air ducts to impeller out of my cabin, for receiving the wind energy from different directions；The outer culvert
The set of line duct forms the by-pass air duct, and by-pass air duct upper bottom surface and by-pass air duct bottom surface are parallel to ground level, and described outer
Duct bottom surface area is less than the by-pass air duct upper bottom surface area.
The main duct, which is used to absorb wind energy, to be made to generate negative pressure inside main duct, and impeller cabin air-flow is pulled to arrange upwards
Out, the rotation of driving impeller generates energy；The main duct shape is upper bottom surface and bottom surface is polygon, and incline is straight line and song
The class terrace with edge or upper bottom surface and bottom surface of the combination lines of line are circle, and bus is the class of the combination lines of straight line and curve
Rotary table；Main duct is divided into several intension line ducts to promote wind energy utilization by several main duct partitions；The main duct
The collection of sub- duct is combined into the main duct, and main duct upper bottom surface and main duct bottom surface are parallel to ground level, and the main duct
Bottom surface area is less than the main duct upper bottom surface area, and the main duct is nested in by-pass air duct interior of shell；The main duct
Upper bottom surface is main duct air stream outlet, and the main duct bottom surface is main duct airflow inlet.
The butterfly valve cabin is hollow cylinder structure, and the butterfly valve cabin is mounted below the main duct, on the butterfly valve cabin
Bottom surface is connect with the main duct bottom surface, and shell is connect the butterfly valve with the by-pass air duct partition out of my cabin.
The impeller cabin is hollow cylinder structure, and impeller cabin upper bottom surface is connect with butterfly valve cabin bottom surface, the impeller
Shell is connected with the by-pass air duct partition out of my cabin, and impeller cabin center is equipped with impeller, and the impeller is by the by-pass air duct air-flow
The energy that the energy of generation and the main duct negative pressure generate is converted to mechanical energy, and the impeller is by impeller shaft and multiple layers of vanes
Composition can fully absorb the energy that air-flow flowing in impeller cabin generates；The impeller shaft is hollow cylinder structure, and perpendicular to ground
Plane；Impeller cabin upper bottom surface is equipped with impeller bracket, for mounting and positioning impeller, impeller long-time stable is enable to transport
Turn.
The pressure chamber is a kind of double duct vertical axis aerogenerator weight adjustment devices, and the pressure chamber passes through
The folding of guide vane is controlled to control a kind of starting and stopping for double duct vertical axis aerogenerators, the pressure chamber passes through
The folding amplitude of the guide vane is controlled to control a kind of load of double duct vertical axis aerogenerators, the guide vane installation
The by-pass air duct air stream outlet described in the pressure chamber side, for controlling the air stream for entering the pressure chamber from the by-pass air duct
Amount, the pressure chamber are mounted below the impeller cabin, and pressure chamber upper bottom surface is connect with impeller cabin bottom surface；The pressure chamber is
Hollow structure, air-flow can enter the impeller cabin by the pressure chamber upper bottom surface.
The generator bay is located at a kind of double duct vertical axis aerogenerators bottom, generator bay bottom surface and ground level
Connection, generator bay upper bottom surface are duct bottom platform, the generator bay upper bottom surface and the by-pass air duct, the pressure chamber phase
Even；It is provided with manhole on the platform of the duct bottom, staff can enter by-pass air duct by manhole when Maintenance and Repair, complete equipment
It overhauls, manhole described in other times is in closed state；The generator bay is equipped with generator hatch door, and staff can pass through
The generator hatch door enters the generator bay；The generator bay upper bottom surface and the generator bay bottom surface are polygon
Or it is round.
The main duct deflector can will be divided from the air-flow of different directions, the gas above the main duct deflector
Stream passes through the main duct upper bottom surface, and the air-flow below the main duct deflector enters by-pass air duct；The main duct deflector
With the main duct cage connection.
The by-pass air duct deflector can divide the air-flow from different directions, the air-flow above the by-pass air duct deflector
Into by-pass air duct, the air-flow below the by-pass air duct deflector flows away with outer gas stream；The by-pass air duct deflector and described outer
Duct cage connection.
Selectively, the impeller cabin, comprising: upper surface impeller bearing is mounted on the impeller bracket center, and described
Impeller shaft is socketed in the upper surface impeller bearing, rotates the impeller normally.
Selectively, the butterfly valve cabin, comprising: butterfly valve, the folding of the butterfly valve can be connected to and block impeller cabin air-flow into
Enter the main duct, to control the operation or stopping of a kind of double duct vertical axis aerogenerators.
Selectively, the by-pass air duct, comprising: the sub- duct pressure sensor of by-pass air duct, the sub- duct pressure of by-pass air duct
Sensor is mounted on the by-pass air duct bottom surface, and each sub- duct of the by-pass air duct is equipped with the sub- duct pressure of a by-pass air duct
Sensor.
Selectively, the main duct, comprising: anemobiagraph wind vane, the anemobiagraph wind vane are mounted on the intension
On main duct partition described in road upper bottom surface center, for detecting current wind speed and direction, and PLC control system is passed data to
System, the PLC control system determine that each sub- duct of the by-pass air duct is in windward by the wind speed that gets, wind direction data
Whether face or leeward and a kind of double duct vertical axis aerogenerators start or stop.
Selectively, the main duct, further including includes: lightning rod, and the lightning rod can be incited somebody to action when equipment meets with and is struck by lightning
Thunder and lightning introduces the earth by the main duct partition, the main duct shell, the by-pass air duct partition, the generator bay, prevents
Only equipment is damaged because being struck by lightning.
Selectively, the pressure chamber, comprising: pressure chamber pressure sensor, for detecting pressure chamber air pressure, and will
Pressure data is sent to the PLC control system.
Selectively, the generator bay, comprising: generator is mounted on inside the generator bay, by shaft coupling with
The impeller shaft is connected or is connected by gear-box with the shaft coupling, and the shaft coupling is connected with the impeller shaft, the hair
The energy that the impeller generates can be converted to electric energy by motor, and the generator has temperature sensor, can be by the power generation
The PLC control system is given on machine temperature data；If the generator is straight drive generator, then the generator passes through described
Shaft coupling is connected with the impeller shaft, and the gear-box can remove, and such as generator is non-direct drive generator, the then power generation
Machine is connected with the gear-box, and the gear-box is connected by the shaft coupling with the impeller shaft.
Selectively, the generator bay, comprising: the gear-box, be mounted on the impeller shaft and the generator it
Between, for promoting the generator speed, the gear-box can be installed or be removed according to the difference of the generator type,
When the generator be it is straight drive generator, then the gear-box can remove, and when the generator is non-direct drive generator, need to pacify
Fill the gear-box.
Selectively, the generator bay, comprising: wheel speed sensor is mounted on duct bottom platform, for examining
The wheel speed is surveyed, and transfers data to the PLC control system.
Selectively, the generator bay, further includes: shaft coupling is mounted between generator shaft and the impeller shaft, or
It is mounted between the impeller shaft and the gear-box, the torque for generating the impeller passes to the generator or institute
State gear-box.
Selectively, the generator bay, further includes: guide vane oil cylinder is mounted on duct bottom platform, the guide vane oil
Cylinder is connect with the guide vane arm of force, and the folding for the guide vane provides power.
Selectively, the generator bay, further includes: the guide vane arm of force, guide vane arm of force one end and the guide vane
Oil cylinder connection, one end connect with the guide vane, and the linear displacement of guide vane oil cylinder generation can be converted to torque, described in driving
Guide vane rotation.
Selectively, the generator bay, further includes: the PLC control system is mounted in the generator bay, can
To detect a kind of double duct vertical axis aerogenerator all the sensors signals, and control a kind of double duct vertical axises
Wind-driven generator operates normally；The PLC control system has communication interface, can externally provide data and receive external command.
Selectively, the generator bay, further includes: hydraulic station is mounted on inside the generator bay, by the PLC
Control system control, the hydraulic station can provide pressure oil for the guide vane oil cylinder and the butterfly valve.
Selectively, the generator bay, further includes: power control cabinet is mounted on inside the generator bay, by the PLC
Control system control is responsible for the grid-connected of the generator, excitation and be converted to the electric energy that the generator generates can be grid-connected
Three sinusoidal acs.
Selectively, the generator bay, further includes: generator speed sensor is mounted on the generator, is used to
The generator speed is detected, and the generator speed data are sent to the PLC control system.
Selectively, the generator bay, further includes: generator bay radiator, the generator bay radiator cold end peace
Inside the generator bay, generator bay radiator hot end is mounted on outside the generator bay, is used to described
All devices cooling in generator bay guarantees that all devices in the generator bay operate normally.
Selectively, the generator bay, further includes: lower end surface impeller bearing is mounted on the generator bay upper bottom surface
Duct bottom Platform center is used to impeller described in location and installation, the impeller is made to be at impeller cabin center line, and
Stablize rotation.
Selectively, the generator bay, further includes: impeller locking device is mounted on described in the generator bay inside
In impeller shaft, when overhaul of the equipments, it can be used to lock the impeller.
Detailed description of the invention:
The present invention may be better understood from the description with reference to the accompanying drawing to a specific embodiment of the invention, in which:
By reading detailed description of non-limiting embodiments referring to the drawings, other features of the invention, purpose
It can be become more apparent upon with advantage, wherein the same or similar appended drawing reference indicates the same or similar feature.
Fig. 1 is a kind of double duct vertical axis aerogenerator three-view diagrams and region of interest cross-sectional view；
Fig. 2 is a kind of double duct vertical axis aerogenerator main views；
Fig. 3 is a kind of double duct vertical axis aerogenerator top views；
Fig. 4 is a kind of double duct vertical axis aerogenerator left views；
Fig. 5 is A-A cross-sectional view in Fig. 1；
Fig. 6 is B-B cross-sectional view in Fig. 1；
Fig. 7 is C-C cross-sectional view in Fig. 1；
Fig. 8 is D-D cross-sectional view in Fig. 1.
In figure:
101, by-pass air duct；102, by-pass air duct shell；103, by-pass air duct upper bottom surface；104, by-pass air duct airflow inlet；105, by-pass air duct
Sub- duct；106, by-pass air duct partition；107, by-pass air duct bottom surface；108, by-pass air duct air stream outlet；109, the sub- duct pressure of by-pass air duct
Force snesor.
201, intension line duct；202, main duct partition；203, main duct upper bottom surface；204, main duct bottom surface；
205, main duct shell；206, main duct；207, main duct airflow inlet；208, main duct air stream outlet；209, anemobiagraph wind
Xiang Biao；210, lightning rod.
301, butterfly valve cabin upper bottom surface；302, butterfly valve；304, butterfly valve cabin；305, butterfly valve cabin bottom surface；306, butterfly valve shell out of my cabin.
401, impeller bracket；402, impeller cabin upper bottom surface；403, upper surface impeller bearing；404, impeller cabin；405, impeller
Shell out of my cabin；406, impeller cabin bottom surface；407, impeller；408, impeller shaft；409, blade.
501, pressure chamber upper bottom surface；502, blade carrier；503, guide vane；504, pressure chamber bottom surface；505, pressure chamber；
506, pressure chamber pressure sensor.
601, generator bay upper bottom surface；602, duct bottom platform；603, lower end surface impeller bearing；604, shaft coupling；605,
Generator speed sensor；606, generator hatch door；607, hydraulic station；608, generator bay；609, generator；610, automatically controlled
Cabinet；611, PLC control system；612, guide vane oil cylinder；617, manhole；618, generator bay bottom surface；619, ground level；620, it leads
The leaf arm of force；621, generator bay radiator；622, generator shaft；623, impeller locking device；624, gear-box；625, impeller turns
Fast sensor.
703, main duct deflector.
801, by-pass air duct deflector.
Specific embodiment:
The feature and exemplary embodiment of various aspects of the invention is described more fully below.In the following detailed description, it mentions
Many details are gone out, in order to provide complete understanding of the present invention.But to those skilled in the art clearly
, the present invention can be implemented in the case where not needing some details in these details.Embodiment is retouched below
It states just for the sake of providing and being better understood to of the invention by showing example of the invention.The present invention is never limited to following
Any concrete configuration and algorithm proposed, but cover under the premise of without departing from the spirit of the present invention element, component and
Any modification, replacement and the improvement of algorithm.In the the accompanying drawings and the following description, well known structure and technology is not shown, so as to
It avoids causing the present invention unnecessary fuzzy.
A more complete description example embodiment with reference to the drawings.However, exemplary embodiment can be with a variety of
Form is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that the present invention
More comprehensively and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.In the figure in order to clear
It is clear, it may be exaggerated the thickness of region and layer.Identical appended drawing reference indicates same or similar structure in figure, thus will save
Slightly their detailed description.
In addition, described feature, structure or characteristic can be incorporated in one or more implementations in any suitable manner
In example.In the following description, many details are provided to provide and fully understand to the embodiment of the present invention.However,
It will be appreciated by persons skilled in the art that technical solution of the present invention can be practiced without one in the specific detail or more
It is more, or can adopt with other methods, constituent element, material etc..In other cases, be not shown in detail or describe known features,
Material or operation are to avoid major technique intention of the invention is obscured.
In the description of the present invention, it is also necessary to which explanation unless otherwise expressly provided and limits, and term " installation " " connects
Connect ", " connected " understanding of broad sense should be done, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；
It can be and be directly connected to, it can also be indirectly connected through an intermediary.For the ordinary skill in the art, it can regard
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
Related technical term in the embodiment of the present invention:
Negative pressure: subatmospheric strong.
Polygon: if by several straight lines join end to end the figure formed or joined end to end by stem curve the figure formed or by
The figure of composition if several straight lines and stem curve join end to end.
Shown in Fig. 1-Fig. 8, a kind of double duct vertical axis aerogenerators that one embodiment of the invention provides include:
By-pass air duct 101 is used to absorb wind energy, and promotes air-flow velocity, and 101 shape of by-pass air duct is upper bottom surface and bottom surface is polygon
Shape, incline be the class terrace with edge of the combination lines of straight line and curve or upper bottom surface and bottom surface be it is round, bus is straight line and bent
The class rotary table of the combination lines of line；Several by-pass air duct partitions 106 by by-pass air duct shell 102, main duct shell 205, butterfly valve out of my cabin
Shell 405 is joined together to form the sub- duct 105 of several by-pass air ducts out of my cabin for shell 306, impeller, for receiving the wind from different directions
Energy；The set of the sub- duct 105 of by-pass air duct forms by-pass air duct 101, and by-pass air duct upper bottom surface 103 and by-pass air duct bottom surface 107 are parallel to
Ground level 619, and the area of by-pass air duct bottom surface 107 is less than the area of by-pass air duct upper bottom surface 103.
Main duct 206 is used to absorb wind energy, makes to generate negative pressure inside main duct 206, pulls the air-flow inside impeller cabin 404
Discharge upwards, the driving rotation of impeller 407 generate energy；206 shape of main duct is upper bottom surface and bottom surface is polygon, and incline is
The class terrace with edge or upper bottom surface and bottom surface of the combination lines of straight line and curve are circle, and bus is the combination of straight line and curve
The class rotary table of lines；Main duct 206 is divided into several intension line ducts 201 to promote wind energy by several main duct partitions 202
The collection of utilization rate, intension line duct 201 is combined into main duct 206；Main duct upper bottom surface 203 is parallel with main duct bottom surface 204
In ground level 619, and the area of main duct bottom surface 204 is less than the area of main duct upper bottom surface 203；Main duct 206 is nested in
Inside by-pass air duct shell 102；Main duct upper bottom surface 203 is main duct air stream outlet 208, and main duct bottom surface 204 is main duct
Airflow inlet 207.
Butterfly valve cabin 304 is hollow cylinder structure, and butterfly valve cabin 304 is mounted on 206 lower section of main duct, butterfly valve cabin upper bottom surface 301
It is connect with main duct bottom surface 204, shell 306 is connect butterfly valve with by-pass air duct partition 106 out of my cabin.
Impeller cabin 404 is hollow cylinder structure, and impeller cabin upper bottom surface 402 is connect with butterfly valve cabin bottom surface 305, and impeller is out of my cabin
Shell 405 is connected with by-pass air duct partition 106, and 404 center of impeller cabin is equipped with impeller 407, and impeller 407 is by 101 inside gas of by-pass air duct
The energy that the energy and 206 internal negative pressure of main duct for miscarrying raw generate is converted to mechanical energy, and impeller 407 is by 408 He of impeller shaft
Multiple layers of vanes 409 forms, and can fully absorb the energy that the flowing of 404 interior air-flow of impeller cabin generates；Impeller shaft 408 is hollow cylinder
Structure, and perpendicular to ground level 619；Impeller cabin upper bottom surface 402 is equipped with impeller bracket 401, for mounting and positioning impeller
407, so that impeller 407 is stablly operated for a long time.
Pressure chamber 505 is a kind of double duct vertical axis aerogenerator Load Regulation dresses that one embodiment of the invention provides
It sets, pressure chamber 505 controls a kind of double duct vertical shaft winds of one embodiment of the invention offer by the folding of control guide vane 503
The start and stop of power generator, pressure chamber 505 are mentioned by controlling the folding amplitude of guide vane 503 to control one embodiment of the invention
A kind of payload of the double duct vertical axis aerogenerators supplied, guide vane 503 are mounted on 505 side by-pass air duct air-flow of pressure chamber
Outlet 108, and the corresponding guide vane 503 of the sub- duct 105 of each by-pass air duct, enter pressure chamber 505 for controlling from by-pass air duct 101
Air flow rate, pressure chamber 505 is mounted on the lower section of impeller cabin 404, and pressure chamber upper bottom surface 501 is connect with impeller cabin bottom surface 406；
Pressure chamber 505 is hollow structure, and air-flow can enter impeller cabin 404 by pressure chamber upper bottom surface 501.
Generator bay 608 is located at a kind of double duct vertical axis aerogenerators bottom of one embodiment of the invention offer；Hair
Motor room bottom surface 618 is connect with ground level 619, and generator bay upper bottom surface 601 is duct bottom platform 602, bottom on generator bay
Face 601 is connected with by-pass air duct 101, pressure chamber 505；Staff can when being provided with 617 Maintenance and Repair of manhole on duct bottom platform 602
Enter by-pass air duct 101 by manhole 617, complete the maintenance of equipment, other time manhole 617 is in closed state, and duct bottom is flat
It is not connected between platform 602 and by-pass air duct 101, pressure chamber 505 and air-flow can not pass through；Generator bay 608 is equipped with generator bay
Door 606, staff can enter generator bay 608 by generator hatch door 606；Generator bay upper bottom surface 601 and generator bay
Bottom surface 618 is polygon or round.
Main duct deflector 703 can will be divided from the air-flow of different directions, the air-flow of 703 top of main duct deflector
By main duct upper bottom surface 203, the air-flow of 703 lower section of main duct deflector enters by-pass air duct 101；Main duct deflector 703 with
Main duct shell 205 connects.
By-pass air duct deflector 801 can divide the air-flow from different directions, the air-flow of the top of by-pass air duct deflector 801 into
Enter by-pass air duct 101, the air-flow of 801 lower section of by-pass air duct deflector flows away with outer gas stream；Outside by-pass air duct deflector 801 and by-pass air duct
Shell 102 connects.
Selectively, in a kind of double duct vertical axis aerogenerators that one embodiment of the invention provides, wherein impeller cabin
404 further include: upper surface impeller bearing 403 is mounted on 401 center of impeller bracket, and impeller shaft 408 is socketed in upper end surface impeller
In bearing 403, rotate impeller 407 normally.
Selectively, in a kind of double duct vertical axis aerogenerators that one embodiment of the invention provides, wherein butterfly valve cabin
304 further include: the folding of butterfly valve 302, butterfly valve 302 can be connected to and block the air-flow in impeller cabin 404 to enter main duct 206, from
And a kind of double duct vertical axis aerogenerators for controlling one embodiment of the invention offer run or stop.
Selectively, in a kind of double duct vertical axis aerogenerators that one embodiment of the invention provides, wherein by-pass air duct
101 further include: the sub- duct pressure sensor 109 of by-pass air duct, the sub- duct pressure sensor 109 of by-pass air duct are mounted on by-pass air duct bottom
Face 107, and the sub- duct 105 of each by-pass air duct is equipped with the sub- duct pressure sensor 109 of a by-pass air duct, it is each outer for detecting
The stream pressure of sub- 105 bottom of duct of duct, and pass data to PLC control system 611, PLC control system 611 by pair
The data of the sub- duct pressure sensor 109 of by-pass air duct more each than analysis, to determine that the sub- duct 105 of each by-pass air duct is in windward side
Or leeward.
Selectively, in a kind of double duct vertical axis aerogenerators that one embodiment of the invention provides, wherein main duct
206 further include: anemobiagraph wind vane 209, anemobiagraph wind vane 209 are mounted on the main duct at 203 center of main duct upper bottom surface
On partition 202, for detecting current wind speed and direction, and PLC control system 611 is passed data to, PLC control system 611
Determine that the sub- duct 105 of each by-pass air duct is in windward side or leeward and this hair by the wind speed that gets, wind direction data
Whether a kind of double duct vertical axis aerogenerators that a bright embodiment provides start or stop.
Selectively, in a kind of double duct vertical axis aerogenerators that one embodiment of the invention provides, wherein main duct
206 further include: lightning rod 210, lightning rod 210 are mounted on the main duct partition 202 at 203 center of main duct upper bottom surface, keep away
Thunder and lightning can be passed through main duct partition 202, main duct shell 205, by-pass air duct partition when equipment meets with and is struck by lightning by thunder needle 210
106, generator bay 608 introduces the earth, prevents equipment from being damaged because of lightning stroke.
Selectively, in a kind of double duct vertical axis aerogenerators that one embodiment of the invention provides, wherein pressure chamber
505 further include: pressure chamber pressure sensor 506, for detecting the air pressure in pressure chamber 505, and by pressure data send to
PLC control system 611.
Selectively, in a kind of double duct vertical axis aerogenerators that one embodiment of the invention provides, wherein generator
Cabin 608 further include: generator 609 is mounted on inside generator bay 608, is connected by shaft coupling 604 with impeller shaft 408, or logical
It crosses gear-box 624 to be connected with shaft coupling 604, shaft coupling 604 is connected with impeller shaft 408, and generator 609 can produce impeller 407
Raw energy is converted to electric energy, is equipped with temperature sensor inside generator 609, generator-temperature detection data can be sent to PLC
Control system 611；If generator 609 is straight drive generator, then generator 609 is connected by shaft coupling 604 with impeller shaft 408,
Gear-box 624 can remove, and if generator 609 is non-direct drive generator, then generator 609 is connected with gear-box 624, gear-box
624 are connected by shaft coupling 604 with impeller shaft 408.
Selectively, in a kind of double duct vertical axis aerogenerators that one embodiment of the invention provides, wherein generator
Cabin 608 further include: gear-box 624 is mounted between impeller shaft 408 and generator 609, for promoting generator speed, gear
The installation of case 624 is removed according to the different and different of 609 type of generator, when generator 609 be it is straight drive generator, then gear-box
624 can remove, when generator 609 be non-direct drive generator, then need that gear-box 624 is installed.
Selectively, in a kind of double duct vertical axis aerogenerators that one embodiment of the invention provides, wherein generator
Cabin 608 further include: wheel speed sensor 625 is mounted on duct bottom platform 602, for detecting the revolving speed of impeller 407, and will
Data transmission is to PLC control system 611.
Selectively, in a kind of double duct vertical axis aerogenerators that one embodiment of the invention provides, wherein generator
Cabin 608 further include: shaft coupling 604 is mounted between generator shaft 622 and impeller shaft 408, or is mounted on gear-box 624 and leaf
Between wheel shaft 408, the torque for generating impeller 407 passes to generator 609 or gear-box 624.
Selectively, in a kind of double duct vertical axis aerogenerators that one embodiment of the invention provides, wherein generator
Cabin 608 further include: guide vane oil cylinder 612 is mounted on duct bottom platform 602, and guide vane oil cylinder 612 is connect with the guide vane arm of force 620, to lead
The folding of leaf 503 provides power.
Selectively, in a kind of double duct vertical axis aerogenerators that one embodiment of the invention provides, wherein generator
Cabin 608 further include: the guide vane arm of force 620,620 one end of the guide vane arm of force are connect with guide vane oil cylinder 612, and one end is connect with guide vane 503, can
The linear displacement that guide vane oil cylinder 612 generates is converted into torque, driving guide vane 503 rotates.
Selectively, in a kind of double duct vertical axis aerogenerators that one embodiment of the invention provides, wherein generator
Cabin 608 further include: PLC control system 611 is mounted in generator bay 608, can detecte the one of one embodiment of the invention offer
The double duct vertical axis aerogenerator all the sensors signals of kind, and a kind of double ducts for controlling one embodiment of the invention offer hang down
D-axis wind-driven generator operates normally.
Selectively, in a kind of double duct vertical axis aerogenerators that one embodiment of the invention provides, wherein generator
Cabin 608 further include: hydraulic station 607 is mounted on inside generator bay 608, is controlled by PLC control system 611, and hydraulic station 607 can
Pressure oil is provided for guide vane oil cylinder 612 and butterfly valve 302.
Selectively, in a kind of double duct vertical axis aerogenerators that one embodiment of the invention provides, wherein generator
Cabin 608 further include: power control cabinet 610 is mounted on inside generator bay 608, is controlled by PLC control system 611, and generator is responsible for
609 grid-connected, excitation and by the electric energy that generator 609 generates be converted to can be grid-connected three sinusoidal acs.
Selectively, in a kind of double duct vertical axis aerogenerators that one embodiment of the invention provides, wherein generator
Cabin 608 further include: generator speed sensor 605 is mounted on generator 609, for detecting the revolving speed of generator 609, and
The rotary speed data of generator 609 is sent to PLC control system 611.
Selectively, in a kind of double duct vertical axis aerogenerators that one embodiment of the invention provides, wherein generator
Cabin 608 further include: generator bay radiator 621,621 cold end of generator bay radiator are mounted on inside generator bay 608, power generation
621 hot end of cabin heat radiation device is mounted on outside generator bay 608, for cooling down to all devices in generator bay 608, is guaranteed
All devices in generator bay 608 operate normally.
Selectively, in a kind of double duct vertical axis aerogenerators that one embodiment of the invention provides, wherein generator
Cabin 608 further include: lower end surface impeller bearing 603 is mounted on 601 duct bottom platform of generator bay upper bottom surface, 602 center, and it is fixed to be used to
Position installation impeller 407, enables impeller 407 to stablize rotation.
Selectively, in a kind of double duct vertical axis aerogenerators that one embodiment of the invention provides, wherein generator
Cabin 608 further include: impeller locking device 623 is mounted on 608 internal impeller axis 408 of generator bay, when overhaul of the equipments, can be used
To lock impeller 407.
A kind of double duct vertical axis aerogenerator working principles that one embodiment of the invention provides are:
According to Bernoulli's theorem, speed of the fluid in a certain position is smaller, and the pressure of this position is bigger, otherwise flow velocity is bigger,
Pressure is smaller；When air enters from by-pass air duct airflow inlet 104, due to more arriving by-pass air duct bottom surface 107, by-pass air duct sectional area is got over
Small, air-flow velocity is smaller, and air flow pressure is bigger, and the air flow pressure of by-pass air duct air stream outlet 108 can be greater than outside air pressure；When
Outside air is flowed through from main duct upper bottom surface 203, and the air inside main duct 206 is in relative static conditions, due to main duct
The air velocity of upper bottom surface 203 is greater than 206 inner air flow velocity of main duct, and the atmospheric pressure of 203 top of main duct upper bottom surface is small
Atmospheric pressure inside main duct 206, therefore the air inside main duct 206 can flow up, and flow away with outside air, it is interior
204 main duct airflow inlet 207 of duct bottom surface can generate certain negative pressure；By-pass air duct air stream outlet 108 is to main duct gas at this time
Flowing into mouth 207 can generate that certain pressure is poor, after the guide vane 503 inside pressure chamber 505 is opened, 101 internal gas flow meeting of by-pass air duct
It accelerates into main duct 206, while when air-flow passes through impeller cabin 404, the rotation of impeller 407 can be driven to generate mechanical energy, pass through control
Opening or closing for 505 inner vane 503 of pressing pressure cabin can be connected to or block the air-flow inside by-pass air duct 101 to enter main duct
206, come the rotation or stopping of impeller 407, by adjusting the opening amplitude of the guide vane 503 in pressure chamber 505, can control from outer
Duct 101 flows into the air flow rate of main duct 206, so that 407 energy output rating of impeller is controlled, by opening or closing butterfly valve cabin
Butterfly valve 302 inside 304, can be connected to or block the air-flow in by-pass air duct 101 to enter main duct 206, to reach control leaf
The rotation or stopping of wheel 407.
A kind of starting for double duct vertical axis aerogenerators that one embodiment of the invention provides: PLC control system 611 is logical
The data of the pressure and anemobiagraph wind vane 209 that acquire the sub- duct pressure sensor 109 of each by-pass air duct are crossed, it is each to determine
The sub- duct 105 of by-pass air duct is in windward side or leeward, then the guide vane 503 to be opened of determination and the guide vane to be opened 503
Unlatching amplitude, the pressure of sub- 105 bottom of duct of windward side by-pass air duct is greater than the sub- duct of leeward by-pass air duct under normal conditions
The pressure of 105 bottoms, when starting, can open windward side guide vane 503, leeward guide vane 503 be closed, when 407 revolving speed of impeller reaches simultaneously
Net revolving speed is carried out grid-connected by the control of PLC control system 611 power control cabinet 610.
The operation for a kind of double duct vertical axis aerogenerators that one embodiment of the invention provides: when the reality of generator 609
Border power is greater than the rated power of generator 609, and PLC control system 611 will open leeward guide vane 503, and reduction flows through pressure
The air flow rate in cabin 505 reduces the output power of impeller 407, if 609 power of generator can not reduce, PLC control system 611
The opening amplitude of windward side guide vane 503 can be turned down, reduce the air-flow for entering pressure chamber 505 from the sub- duct 105 of windward side by-pass air duct
Flow.
A kind of stopping for double duct vertical axis aerogenerators that one embodiment of the invention provides: PLC control system 611 will
Close all guide vanes 503；Air-flow in by-pass air duct 101 cannot be introduced into pressure chamber 505, and impeller 407 and generator 609 stop rotation
Turn, PLC control system 611 can close butterfly valve 302 when maintenance or long-time are shut down.
Claims (8)
1. a kind of double duct vertical axis aerogenerators characterized by comprising
Main duct (206) is nested in by-pass air duct shell (102), and main duct shell (205) passes through by-pass air duct partition (106) and institute
By-pass air duct shell (102) connection is stated, by-pass air duct (101) and the main duct (206) obtain wind energy simultaneously；In air-flow from described outer
Duct (101) outflow will subsequently into installation energy conversion device impeller cabin (404) on the flow trace of the main duct (206)
Wind energy is converted to mechanical energy；In air-flow from the by-pass air duct (101) outflow subsequently into the flow trace of the main duct (206)
Upper installation air flow rate control device pressure chamber (505) is flowed out to control from the by-pass air duct (101) subsequently into the intension
The air flow rate in road (206)；In air-flow from the by-pass air duct (101) outflow subsequently into the flowing rail of the main duct (206)
Air flow controller butterfly valve cabin (304) are installed on mark, Lai Liantong or blocking are flowed out from the by-pass air duct (101) subsequently into described
The air-flow of main duct (206)；Generator bay (608) is located at below the by-pass air duct (101) and the pressure chamber (505), and institute
Generator bay (608) is stated to connect with ground level (619)；Main duct upper bottom surface (203) is equipped with main duct deflector (703), institute
Main duct deflector (703) is stated to connect with main duct shell (205)；The by-pass air duct shell (102) and by-pass air duct deflector
(801) it connects；It is installed on flow trace in air-flow from the by-pass air duct (101) outflow subsequently into the main duct (206)
The method of energy conversion device acquisition wind energy；It is flowed out from the by-pass air duct (101) subsequently into the main duct (206) in air-flow
Flow trace on installation air flow rate control device come the method that controls wind energy transformation rate；In air-flow from the by-pass air duct
(101) outflow starts or terminates wind energy subsequently into air flow controller is installed on the flow trace of the main duct (206)
The method for being converted to other forms energy.
2. a kind of double duct vertical axis aerogenerators as described in claim 1, it is characterised in that:
By-pass air duct (101) shape is upper bottom surface and bottom surface is polygon, and incline is the combination lines of straight line and curve
Class terrace with edge or upper bottom surface and bottom surface are circle, and bus is the class rotary table of the combination lines of straight line and curve；It is several described outer
Duct partition (106) is by the by-pass air duct shell (102), the main duct shell (205), butterfly valve shell (306), impeller cabin out of my cabin
Shell (405) is joined together to form the sub- duct of several by-pass air ducts (105)；The set of the sub- duct of by-pass air duct (105) is formed
The by-pass air duct (101), by-pass air duct upper bottom surface (103) and by-pass air duct bottom surface (107) are parallel to ground level (619), and described
The area of by-pass air duct bottom surface (107) is less than the area of the by-pass air duct upper bottom surface (103)；The by-pass air duct (101) further include:
The sub- duct pressure sensor (109) of by-pass air duct, the sub- duct pressure sensor (109) of by-pass air duct are mounted under the by-pass air duct
Bottom surface (107), and each sub- duct of the by-pass air duct (105) is equipped with the sub- duct pressure sensor of by-pass air duct
(109), for detecting the stream pressure of each sub- duct of the by-pass air duct (105) bottom, and PLC control system is passed data to
It unites (611), the PLC control system (611) passes through each sub- duct pressure sensor (109) of by-pass air duct of comparative analysis
Data are in leeward to determine that the sub- duct of each by-pass air duct (105) is in windward side；Pass through detection all outer culverts
The pressure data of line duct pressure sensor 109 obtains each sub- duct of by-pass air duct (105) and is in windward side or leeward
The method in face.
3. a kind of double duct vertical axis aerogenerators as described in claim 1, it is characterised in that:
Main duct (206) shape is upper bottom surface and bottom surface is polygon, and incline is the combination lines of straight line and curve
Class terrace with edge or upper bottom surface and bottom surface are circle, and bus is the class rotary table of the combination lines of straight line and curve；Several main ducts
The main duct (206) is divided into several intension line ducts (201) to promote wind energy utilization by partition (202), it is described in
The collection of the sub- duct of duct (201) is combined into the main duct (206)；The main duct upper bottom surface (203) and main duct bottom surface
(204) it is parallel to the ground level (619), and the area of the main duct bottom surface (204) is less than the main duct upper bottom surface
(203) area；It is internal that the main duct (206) is nested in the by-pass air duct shell (102)；The main duct upper bottom surface
It (203) is main duct air stream outlet (208) that the main duct bottom surface (204) is main duct airflow inlet (207)；In described
Duct (206) further include: anemobiagraph wind vane (209), the anemobiagraph wind vane (209) are mounted on main duct upper bottom surface
(203) on the main duct partition (202) at center, for detecting current wind speed and direction, and PLC control system is passed data to
It unites (611)；The main duct (206) further include: lightning rod (210), the lightning rod (210) are mounted on bottom on the main duct
On the main duct partition (202) at face (203) center；By detecting the data of the anemobiagraph wind vane (209) come really
The method that the fixed sub- duct of by-pass air duct (105) is in leeward or windward side；The main duct (206) is divided into several
Intension line duct (201), the method for Lai Tisheng wind energy utilization.
4. a kind of double duct vertical axis aerogenerators as described in claim 1, it is characterised in that:
The butterfly valve cabin (304) is hollow cylinder structure, and the butterfly valve cabin (304) is mounted below the main duct (206), butterfly
Valve cabin upper bottom surface (301) is connect with the main duct bottom surface (204), butterfly valve shell (306) and the by-pass air duct partition out of my cabin
(106) it connects；The butterfly valve cabin (304) further include: butterfly valve (302), the butterfly valve (302) are mounted in the middle part of butterfly valve cabin (304),
The folding of the butterfly valve (302) can be connected to and block the air-flow in impeller cabin (404) to enter main duct (206).
5. a kind of double duct vertical axis aerogenerators as described in claim 1, it is characterised in that:
The impeller cabin (404) is hollow cylinder structure, and impeller cabin upper bottom surface (402) is connect with butterfly valve cabin bottom surface (305), institute
Stating impeller, shell (405) is connected with the by-pass air duct partition (106) out of my cabin, and impeller cabin (404) center is equipped with impeller
(407), the impeller (407) is made of impeller shaft (408) and multiple layers of vanes (409)；The impeller shaft (408) is hollow circuit cylinder
Body structure, and perpendicular to ground level (619)；Impeller cabin upper bottom surface (402) is equipped with impeller bracket (401), for installing
And position the impeller (407)；The impeller cabin (404) also includes: upper surface impeller bearing (403) is mounted on impeller bracket
(401) center, and impeller shaft (408) is socketed in upper surface impeller bearing (403), revolve the impeller (407) can normally
Turn.
6. a kind of double duct vertical axis aerogenerators as described in claim 1, it is characterised in that:
The pressure chamber (505) is hollow cylinder structure, and pressure chamber upper bottom surface (501) and impeller cabin bottom surface (406) are even
It connects, the pressure chamber upper bottom surface (501), blade carrier (502) is installed for location and installation guide vane (503), the guide vane
(503) pressure chamber (505) side by-pass air duct air stream outlet (108), and each sub- duct of the by-pass air duct (105) are mounted on
A corresponding guide vane (503), for controlling the air mass flow for entering the pressure chamber (505) from the by-pass air duct (101),
The pressure chamber (505) is mounted below the impeller cabin (404)；The pressure chamber (505) further include: pressure chamber pressure sensing
Device (506) is mounted on the pressure chamber bottom surface (504), for detecting the internal air pressure of pressure chamber (505), and will pressure
Force data is sent to PLC control system (611).
7. a kind of double duct vertical axis aerogenerators as described in claim 1, it is characterised in that:
The generator bay (608) is located at a kind of bottom of double duct vertical axis aerogenerators；Generator bay bottom surface
(618) it is connect with the ground level (619), generator bay upper bottom surface (601) is duct bottom platform (602), the generator bay
Upper bottom surface (601) is connected with the by-pass air duct (101), the pressure chamber (505)；People is provided on duct bottom platform (602)
Hole (617), the manhole (617) could open only in maintenance process, generator bay described in other times (608) and outer culvert
It is not connected between road (101), pressure chamber (505) and air-flow can not pass through；The generator bay (608) is equipped with the generator
Hatch door (606)；The generator bay upper bottom surface (601) and the generator bay bottom surface (618) are polygon or round；It is described
Generator bay (608) further include: generator (609), the generator (609) are mounted on the generator bay (608) inside, lead to
It crosses shaft coupling (604) to be connected with the impeller shaft (408), or is connected by gear-box (624) with the shaft coupling (604), institute
Shaft coupling (604) is stated to be connected with the impeller shaft (408)；The generator bay (608) further include: the shaft coupling (604), peace
Between generator shaft (622) and the impeller shaft (408), or be mounted on gear-box (624) and the impeller shaft (408) it
Between；The generator bay (608) further include: the gear-box (624) directly drives generator when the generator (609) are, then institute
State gear-box (624) can remove, when the generator (609) be non-direct drive generator, then need by the gear-box (624) pacify
Between the shaft coupling (604) and the generator (609), the shaft coupling (604) and the impeller shaft (408) phase
Even；The generator bay (608) further include: wheel speed sensor (625) is mounted on duct bottom platform (602)；It is described
Generator bay (608) further include: guide vane oil cylinder (612) is mounted on duct bottom platform (602), the guide vane oil cylinder (612)
It is connect with the guide vane arm of force (620)；The generator bay (608) further include: the guide vane arm of force (620), the guide vane arm of force
(620) one end is connect with the guide vane oil cylinder (612), and one end is connect with the guide vane (503)；The generator bay (608) is also
Include: PLC control system (611), be mounted in the generator bay (608), one embodiment of the invention offer is provided
A kind of double duct vertical axis aerogenerator all the sensors signals, and a kind of double ducts of one embodiment of the invention offer are provided
Vertical axis aerogenerator operates normally；The generator bay (608) further include: hydraulic station (607) is mounted on the generator
Cabin (608) is internal, is controlled by PLC control system (611)；The generator bay (608) further include: power control cabinet (610) is mounted on
The generator bay (608) is internal, is controlled by PLC control system (611)；The generator bay (608) further include: generator turns
Fast sensor (605), is mounted on generator (609)；The generator bay (608) further include: generator bay radiator
(621), generator bay radiator (621) cold end is mounted in the generator bay (608), the generator bay radiator
(621) hot end is mounted on the generator bay (608) outside；The generator bay (608) further include: the lower end surface impeller bearing
(603), it is mounted on the generator bay upper bottom surface (601) duct bottom platform (602) center；The generator bay (608)
Further include: the impeller locking device (623) is mounted on the generator bay (608) internal lobe wheel shaft (408).
8. a kind of double duct vertical axis aerogenerators as described in claim 1, it is characterised in that:
A kind of starting method of double duct vertical axis aerogenerators: the PLC control system (611) is each by acquisition
The data of the sub- duct pressure sensor (109) of by-pass air duct and the data of anemobiagraph wind vane (209), to determine each by-pass air duct
Sub- duct (105) is in leeward and is in windward side, and the sub- duct of windward side by-pass air duct (105) is internal under normal conditions
Pressure be greater than the internal pressure of the sub- duct of leeward by-pass air duct (105), when starting, can open the windward side guide vane
(503), the leeward guide vane (503) is closed, revolving speed reaches grid-connected revolving speed when the impeller (407), controls system by the PLC
(611) control power control cabinet (610) of uniting carries out grid-connected；A kind of operation method of double duct vertical axis aerogenerators:
When the actual power of the generator (609) is greater than the rated power of the generator (609), the PLC control system (611)
It can open guide vane described in leeward (503), reducing through the internal air flow rate of the pressure chamber (505) reduces the impeller
(407) output power, such as generator (609) power can not reduce, and the PLC control system (611) can turn down windward
The opening amplitude of guide vane described in face (503) reduces from the sub- duct of by-pass air duct described in windward side (105) and enters the pressure chamber
(505) air flow rate；A kind of closing method of double duct vertical axis aerogenerators: the PLC control system (611)
All guide vanes (503) will be closed, the air-flow in the by-pass air duct (101) cannot be introduced into the pressure chamber (505), the leaf
Wheel (407) and the generator (609) stop rotating, and the PLC control system (611) can close when overhauling or shutting down for a long time
The butterfly valve (302).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017112535824 | 2017-12-03 | ||
| CN201711253582 | 2017-12-03 |
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| CN109869276B CN109869276B (en) | 2023-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN110131104A (en) * | 2018-02-02 | 2019-08-16 | 甘肃慧风节能有限公司 | Wind-driven generator wind energy converter and wind power generating set |
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