CN112360682A - Wind-collecting type wind-driven power generation system - Google Patents
Wind-collecting type wind-driven power generation system Download PDFInfo
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- CN112360682A CN112360682A CN202011174835.0A CN202011174835A CN112360682A CN 112360682 A CN112360682 A CN 112360682A CN 202011174835 A CN202011174835 A CN 202011174835A CN 112360682 A CN112360682 A CN 112360682A
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- 238000010248 power generation Methods 0.000 title claims abstract description 62
- 230000007246 mechanism Effects 0.000 claims abstract description 75
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- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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- 238000006467 substitution reaction Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
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- 238000011084 recovery Methods 0.000 description 1
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- 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
- F03D3/04—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor having stationary wind-guiding means, e.g. with shrouds or channels
- F03D3/0427—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor having stationary wind-guiding means, e.g. with shrouds or channels with converging inlets, i.e. the guiding means intercepting an area greater than the effective rotor area
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- 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
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D15/00—Transmission of mechanical power
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- 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
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- 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
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- 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
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/30—Lightning protection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
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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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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a wind-collecting type wind-driven power generation system which comprises a wind collecting device, a wind wheel rotating mechanism, an upper bracket mechanism, a lower support platform and a cabin braking and accelerating transmission power generation mechanism, wherein the wind collecting device is arranged on the upper bracket mechanism; the wind collecting device comprises a plurality of wind collecting columns and a plurality of connecting rods, and is connected with the upper bracket mechanism and arranged on the lower supporting platform; the wind collecting columns comprise horizontal outer-curved vertical surfaces, radial vertical surfaces and inner-curved arc vertical surfaces, and a wind collecting channel with an opening gradually reduced from outside to inside is automatically formed between every two adjacent wind collecting columns in a geometric shape; the wind wheel swing mechanism comprises a swing main shaft, and the swing main shaft is connected with the cabin braking and speed-increasing transmission power generation mechanism; the fan blades drive the rotary main shaft to rotate under the blowing of high-speed airflow at the outlet of the wind collecting channel to drive the speed-increasing transmission power generation mechanism to work. Has the advantages that: the power generation system can increase wind speed and wind power through the wind collecting device, improve power generation efficiency and power, and is stable and reliable in operation and low in noise.
Description
Technical Field
The invention relates to the technical field of wind power generation, in particular to a wind-collecting type wind-driven power generation system.
Background
The prior megawatt wind power driving power generation technical system mainly takes a variable-pitch three-blade horizontal shaft transmission arrangement mechanism as a main part; the fan blade adopts a trisection variable cross-section cantilever arrangement form, adopts two transmission mechanisms of speed increasing and direct connection, and is arranged on a rotary engine room platform which can rotate forward and backward for less than 3 circles in a linear or parallel form; the rotary cabin platform is connected through a rolling (or sliding) yaw bearing with a gear ring, an abrasive disc, a brake and a driver to realize the starting or stopping of the forward and reverse rotation of the cabin; the weak point of the unit is poor typhoon resistance, and the mechanical transmission system has the defects of complex transmission system of the whole machine, high failure rate of mechanisms with wind measurement, slip ring output, yawing, braking, driving, variable pitch mechanism, cable arrangement and counting, and the like; the production and manufacturing cost is high, the noise is large, the service life is short, and the wind power generator is suitable for working in areas with larger wind speed; for a weak wind speed area with the annual average wind speed of 5.4-6 m/s, the height of the cabin needs to be increased to more than 120 m to meet the requirement of investment economic recovery period, and the operation and maintenance cost is increased; at present, the maximum power of a single unit is less than 12 MW.
The existing vertical axis wind generating set does not have an automatic wind collecting function, has smaller generating power, and is small in size, and the fan with the fan blade variable pitch mechanism has the advantages of complex structure, short service life, small generating power, low efficiency and poor typhoon resistance.
Disclosure of Invention
The invention aims to solve the problems and provide a wind-collecting type vertical axis wind driven power generation system.
The invention realizes the purpose through the following technical scheme:
a wind-collecting type wind-driven power generation system comprises a wind collecting device, a wind wheel swing mechanism, an upper bracket mechanism, a lower support platform and a cabin braking and speed-increasing transmission power generation mechanism;
the wind collecting device comprises a plurality of wind collecting columns and a plurality of connecting rods, and is connected with the upper bracket mechanism and arranged on the lower supporting platform;
the wind collecting columns comprise horizontal outer-curved vertical surfaces, radial vertical surfaces and inner-curved circular arc vertical surfaces, the plurality of wind collecting columns are uniformly distributed along the circumference of the central axis of the lower supporting platform, two adjacent wind collecting columns are connected through a plurality of connecting rods, the plurality of inner-curved circular arc vertical surfaces form a wind wheel rotating working cavity, and a wind collecting channel with an opening gradually reduced from outside to inside is automatically formed between every two adjacent wind collecting columns in a geometric shape;
the wind wheel swing mechanism comprises a swing main shaft, and the swing main shaft is connected with the cabin braking and speed-increasing transmission power generation mechanism; the rotary main shaft is uniformly and axially provided with a plurality of groups of fan blades, a plurality of groups of cross rods and a plurality of groups of tie rods, each group of fan blades consists of a plurality of light alloy blades uniformly arranged along the axial direction, adjacent blades in the same group are simultaneously connected through a plurality of layers of cross rods and are vertically and radially uniformly distributed around the rotary main shaft, one end of each tie rod is connected with each cross rod, and the other end of each tie rod is connected with the rotary main shaft; the fan blades drive the rotary main shaft to rotate under the blowing of high-speed airflow at the outlet of the wind collecting channel to drive the speed-increasing transmission power generation mechanism to work;
the upper bracket mechanism comprises a plurality of upper connecting beams, one end of each upper connecting beam is connected with the wind collecting column, and the other end of each upper connecting beam is connected with the top bearing seat of the rotary main shaft.
Preferably, the upper connecting beams are connected through a protective net, one end of the upper part of each upper connecting beam is connected with the rotary main shaft through a bearing mechanism, and the upper connecting beams are connected with the rotary main shaft through the bearing mechanisms; the bearing mechanism comprises a bearing seat, a bearing and a bearing end cover, one end of the connecting beam is connected with the bearing seat, the outer ring of the bearing is matched with the bearing seat, the inner ring of the bearing is connected with the end part of the rotary main shaft, and the bearing end cover is fixedly connected with the bearing seat.
Preferably, the lower supporting platform comprises a lower connecting beam, a connecting plate and a connecting net, the connecting plate is arranged below each wind collecting column, one end of the lower connecting beam is fixedly connected with the connecting plate, the other end of the lower connecting beam is fixedly connected with a cabin of the cabin braking and speed-increasing transmission power generation mechanism, and the lower connecting beams are connected through the connecting net.
Preferably, a combined support column structure is further arranged below the lower supporting platform and comprises a main support column, a middle support column and side support columns, the upper end of the main support column is fixedly connected with the bottom of a cabin of the cabin braking and accelerating transmission power generation mechanism, the middle support columns are provided with a plurality of parts, the middle support columns are uniformly distributed along a plurality of circumferences of the main support column, each middle support column of an outermost circle is fixedly connected with the main support column through a horizontal pull rod, the periphery of each middle support column is further connected with a group of side support columns through the horizontal pull rod, the side edge of each side support column is further connected with two oblique support column combined upright columns, the two oblique support columns are fixedly connected through the horizontal pull rod, and each adjacent side support column is connected through a plurality of connecting rods.
Preferably, the shape of the wind collecting column is defined by a horizontal outward-curved vertical surface, a radial vertical surface and an inward-curved arc vertical surface which are arranged in the vertical direction, and a geometric working surface is formed by the steel plates; the inner curved circular arc vertical surfaces of the plurality of wind collecting columns are positioned on the concentric circumference, and the radial vertical surfaces are positioned on the radial direction of the same circle.
Preferably, 5-31 wind collecting columns of each group of wind collecting devices are arranged, the wind collecting columns are uniformly distributed along the circumference of the lower supporting platform, and each wind collecting column is vertical to the same horizontal plane;
and two adjacent wind collecting columns are fixedly connected through 6-21 connecting rods by bolts.
Preferably, a lightning rod is further mounted at the top of each wind collecting column, and a wind adjusting mechanism is further mounted on each wind collecting column.
Preferably, the wind wheel rotating mechanism is provided with 5-38 groups of fan blades, each group of fan blades consists of 1-20 fan blades, and each group of fan blades is arranged on a plurality of layers of cross rods in a vertical plane.
Preferably, the tie bars include a horizontal tie bar and a diagonal tie bar, two adjacent cross bars are connected through the horizontal tie bar, the cross bars and the main rotation shaft are connected through the diagonal tie bar, and the tie bars are rigid tie bars or flexible tie bars.
Preferably, the nacelle braking step-up transmission power generation mechanism comprises a brake, a step-up transmission and a generator set.
In conclusion, the beneficial effects of the invention are as follows: the power generation system can increase wind speed and wind power through the wind collecting device, improve power generation efficiency and power, and is stable and reliable in operation and low in noise.
The power generation system can automatically increase the flow speed of wind coming from any direction in the nature by 2-5 times to form high-wind-speed airflow, and directly drive the wind wheel to rotate to drive the braking and accelerating power generation mechanism to work; the wind collecting device can improve the typhoon resistance and the wind wheel driving torque, and improve the power generation power and efficiency of the system; the system has simple mechanism, cancels yaw, pitch variation, cable arrangement, counting and slip ring output mechanisms, and has no relation between the rotation direction of the wind wheel and the wind direction and the size; the length of the fan blades is connected in an assembling way, the supporting points are more, and the quantity of the fan blades and the structural arrangement form of the fan blades can be conveniently adjusted according to the generated power of the unit; the width and the length of the blade can be easily determined according to the requirement, and the weight of the wind wheel blade is about 40 percent lighter than that of the wind wheel blade of the same power model; the generator set is installed, the working height of a cabin is about 25 meters, normal power generation can be started when the wind speed is 2 meters/second, and the wind speed is suitable for the working wind speed range and the natural wind speed of 2-11 levels; when the annual average wind speed is 4.5-6.5 m/s, the annual average electricity generation amount per KW is 4000KW.H-6500KW.H, and the applicable annual average wind speed is more than 3.5 m/s in a wind area; the wind-collecting type wind-driven power generation system is simple and reliable to maintain, low in noise, long in service life and low in operation and maintenance cost; the wind-collecting type wind-driven power generation system can form a multilayer independent wind-collecting type wind-driven power generation mechanism, and the total power generation power of the power generation system is improved. The maximum generating power of a single set of unit in the technical level exceeds 100MW at present.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic structural diagram of the nacelle braking and speed increasing power generation mechanism taken along the section C-C in FIG. 1;
FIG. 4 is a schematic top view of the support platform structure of FIG. 1 taken along line B-B;
FIG. 5 is a schematic top view of the assembled support post structure of FIG. 1 taken along line A-A;
FIG. 6 is a schematic top view of the assembled support column of FIG. 1 taken along line D-D;
FIG. 7 is a schematic top view of the wind-collecting device with 6 wind-collecting columns, the wind-wheel revolving mechanism and the direction of rotation according to the present invention;
FIG. 8 is a schematic top view of the wind-collecting device with 7 wind-collecting columns, the wind-wheel revolving mechanism and the direction of rotation according to the present invention;
FIG. 9 is a schematic top view of the wind-collecting device with 8 wind-collecting columns, the wind-wheel revolving mechanism and the direction of rotation according to the present invention;
FIG. 10 is an enlarged view of the structure of section E in FIG. 1 according to the present invention.
The reference numerals are explained below:
1. a wind collecting device; 101. a wind collecting column; 101a, a horizontal camber upright surface; 101b, a radial upright surface; 101c, an inner curved arc vertical surface; 102. a connecting rod; 2. a wind wheel swing mechanism; 201. a rotating main shaft; 202. a cross bar; 203. a fan blade; 204. a tie bar; 204a, a horizontal tie bar; 204b, a diagonal tie bar; 23. the engine room brakes and accelerates the transmission generating mechanism; 4. an upper bracket mechanism; 401. an upper connecting beam; 402. a bearing mechanism; 5. a lightning rod; 6. a lower support platform; 601. a lower connecting beam; 602. a connecting plate; 603. connecting a net; 7. combining the support pillar structures; 701. a main support; 702. a middle pillar; 703. a side pillar; 704. a horizontal pull rod; 705. an oblique strut; 8. the wind wheel rotates the working chamber.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Referring to fig. 1-10, the invention provides a wind-collecting type wind-driven power generation system, which comprises a wind collecting device 1, a wind wheel swing mechanism 2, an upper bracket mechanism 4, a lower support platform 6, and a cabin braking and speed-increasing transmission power generation mechanism 3 (see fig. 1).
The wind collecting device 1 comprises a plurality of wind collecting columns 101 and a plurality of connecting rods 102, and the wind collecting device 1 is connected with the upper bracket mechanism 4 and is arranged on the lower support platform 6; the wind collecting column 101 comprises a horizontal outer curved vertical surface 101a, a radial vertical surface 101b and an inner curved circular arc vertical surface 101c, wherein the horizontal outer curved vertical surface 101a and the radial vertical surface 101b have the function of collecting wind. A plurality of wind collecting columns 101 are uniformly distributed along the circumference of the central axis of the lower supporting platform 6, two adjacent wind collecting columns 101 are connected through a plurality of connecting rods 102, a wind wheel rotating working cavity 8 is formed by a plurality of inner curved circular arc vertical surfaces 101c, a wind collecting channel with an opening gradually reduced from outside to inside is automatically formed in a geometric shape between every two adjacent wind collecting columns 101, the wind speed can be increased through the wind collecting channel in the shape, the force for driving the wind wheel rotating mechanism 2 is improved, and the power generation efficiency is improved. The shape of the wind collecting column 101 is a geometric working surface which is formed by steel plates in the shapes of a horizontal outward-curved vertical surface 101a, a radial vertical surface and an inward-curved arc vertical surface 101c which are arranged in the vertical direction; the inner curved circular arc vertical surfaces 101c of the plurality of wind collecting columns 101 are positioned on concentric circles, and the radial vertical surfaces are positioned in the radial direction of the same circle. The number of the wind collecting columns 101 of each group of wind collecting devices 1 is 5-31 (5 wind collecting columns are arranged as shown in fig. 4; 6 wind collecting columns are arranged as shown in fig. 7; 7 wind collecting columns are arranged as shown in fig. 8; 8 wind collecting columns are arranged as shown in fig. 9). The wind collecting columns 101 are uniformly distributed along the circumference of the lower supporting platform 6, each wind collecting column 101 is vertical to the same horizontal plane, two adjacent wind collecting columns 101 are fixedly connected through 6-21 connecting rods 102 through bolts, and the connecting rods 102 are arc-shaped or linear. The connecting rods 102 can increase the stability between the wind-collecting columns 101. Each lightning rod 5 is still installed at wind collection post 101 top, still install the wind mechanism of transferring on the wind collection post 101.
Referring to fig. 5 and fig. 6, the wind turbine revolving mechanism 2 includes a revolving spindle 201, and the revolving spindle 201 is connected with the nacelle braking and speed-increasing transmission power generation mechanism 3; a plurality of groups of fan blades 203, a plurality of groups of cross rods 202 and a plurality of groups of tie rods 204 are uniformly distributed on the rotary main shaft 201 along the axial direction, each group of fan blades 203 consists of a plurality of light alloy blades uniformly arranged along the axial direction (the blade material can also be stainless steel or light alloy and carbon fiber composite), adjacent blades in the same group are simultaneously connected through a plurality of layers of cross rods 202 and are vertically and radially and uniformly distributed around the rotary main shaft 201, one end of each tie rod 204 is connected with the cross rod 202, and the other end of each tie rod 204 is connected with the rotary; the fan blades 203 drive the rotary main shaft 201 to rotate under the blowing of high-speed airflow at the outlet of the wind collecting channel to drive the speed-increasing transmission power generation mechanism to work; the wind wheel rotating mechanism 2 is provided with 5-38 groups of fan blades 203, each group of fan blades 203 consists of 1-20 fan blades, and each group of fan blades 203 is arranged on a plurality of layers of cross rods 202 in a vertical plane. Multiple groups of fan blades 203 are uniformly distributed on the rotary main shaft 201 along the axial direction, the wind speed is increased through the wind collecting channel, high-speed airflow enters the wind wheel rotary working cavity 8 to blow the multiple groups of fan blades 203 arranged along the axial direction, and the multiple groups of fan blades 203 are simultaneously brought to the rotary main shaft 201 to rotate, so that the cabin speed-increasing transmission power generation mechanism works, and the power generation efficiency is effectively improved.
The tie bars 204 include a horizontal tie bar 204a and a diagonal tie bar 204b, two adjacent cross bars 202 are connected by the horizontal tie bar 204a, the cross bars 202 are connected with the rotary main shaft 201 by the diagonal tie bar 204b, and the tie bars 204 are rigid tie bars or flexible tie bars. Both ends of the rigid tie bar 204 or the flexible tie bar 204 are connected to the cross bar 202 and the rotary main shaft 201 by bolts, respectively. The strength and stability of the cross bar 202 connection can be ensured by the tie bar 204 connection.
The upper bracket mechanism 4 comprises a plurality of upper connecting beams 401, one end of each upper connecting beam 401 is connected with the wind collecting column 101, and the other end of each upper connecting beam is connected with a bearing seat at the top of the rotary main shaft 201. A plurality of upper connecting beams 401 are connected through a protective net, one end of each upper connecting beam 401 is connected with the rotary main shaft 201 through a bearing mechanism 402, and the plurality of upper connecting beams 401 are connected with the rotary main shaft 201 through the bearing mechanisms; the bearing mechanism comprises a bearing seat 402a, a bearing 402b and a bearing end cover 402c, one end of the upper connecting beam 401 is connected with the bearing seat 402a, the outer ring of the bearing 402b is matched with the bearing seat 402a, the inner ring of the bearing 402b is connected with the end part of the rotary main shaft 201, and the bearing end cover 402c is fixedly connected with the bearing seat 402 a. (as shown in fig. 10), in use, the rotary main shaft 201 rotates and the upper connecting beam 401 does not move. This upper bracket mechanism 4 can make a plurality of wind collecting columns 101 connect as a whole, and the stability of protection work, the protection network can prevent simultaneously that birds and debris from getting into this power generation system's wind wheel gyration working chamber 8, has improved ecological protection to can prolong this power generation system's life.
As a preferred embodiment of the present application, the lower supporting platform 6 includes a lower connecting beam 601, a connecting plate 602 and a connecting network 603, the connecting plate 602 is disposed below each wind collecting column 101, one end of the lower connecting beam 601 is fixedly connected to the connecting plate 602, the other end of the lower connecting beam is fixedly connected to the nacelle of the nacelle braking and accelerating transmission power generation mechanism 3, and the lower connecting beams 601 are connected to each other through the connecting network 603. The lower supporting platform 6 serves as a supporting structure and is used for bearing the wind collecting column 101, and the structure of the connecting net 603 and the connecting plate 602 can improve the overall stability and supporting strength of the lower supporting platform 6 and guarantee the long-term stable work of the wind power generation system.
Further, a combined support column structure 7 is further arranged below the lower support platform 6, the combined support column structure 7 includes a main column 701, a middle column 702 and side columns 703, the upper end of the main column 701 is fixedly connected with the bottom of the nacelle braking and speed-increasing transmission power generation mechanism 3, the middle column 702 is provided with a plurality of columns, the middle columns 702 are uniformly distributed along the circumference of the main column 701, each middle column 702 is fixedly connected with the main column 701 through a horizontal pull rod 704, the periphery of each middle column 702 is further connected with a group of side columns 703 through a horizontal pull rod 704, the side of each group of side columns 703 is further connected with two oblique columns 705 and a vertical column, the two oblique columns 705 are fixedly connected through a horizontal pull rod 704 and an oblique pull rod, and each adjacent side column 703 is connected through a plurality of connecting rods. The lower support platform 6 can further improve the stability of the power generation system through the connection structure among the main support column 701, the middle support column 702 and the side support column 703.
The engine room braking speed-increasing transmission power generation mechanism 3 comprises a brake, a speed-increasing transmission and a generator set.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A wind-collecting type wind-driven power generation system is characterized in that: the wind power generation device comprises a wind collecting device, a wind wheel swing mechanism, an upper bracket mechanism, a lower support platform and a cabin braking and accelerating transmission power generation mechanism;
the wind collecting device comprises a plurality of wind collecting columns and a plurality of connecting rods, and is connected with the upper bracket mechanism and arranged on the lower supporting platform;
the wind collecting columns comprise horizontal outer-curved vertical surfaces, radial vertical surfaces and inner-curved circular arc vertical surfaces, the plurality of wind collecting columns are uniformly distributed along the circumference of the central axis of the lower supporting platform, two adjacent wind collecting columns are connected through a plurality of connecting rods, the plurality of inner-curved circular arc vertical surfaces form a wind wheel rotating working cavity, and a wind collecting channel with an opening gradually reduced from outside to inside is automatically formed between every two adjacent wind collecting columns in a geometric shape;
the wind wheel swing mechanism comprises a swing main shaft, and the swing main shaft is connected with the cabin braking and speed-increasing transmission power generation mechanism; the rotary main shaft is uniformly and axially provided with a plurality of groups of fan blades, a plurality of groups of cross rods and a plurality of groups of tie rods, each group of fan blades consists of a plurality of light alloy blades uniformly arranged along the axial direction, adjacent blades in the same group are simultaneously connected through a plurality of layers of cross rods and are vertically and radially uniformly distributed around the rotary main shaft, one end of each tie rod is connected with each cross rod, and the other end of each tie rod is connected with the rotary main shaft; the fan blades drive the rotary main shaft to rotate under the blowing of high-speed airflow at the outlet of the wind collecting channel to drive the speed-increasing transmission power generation mechanism to work;
the upper bracket mechanism comprises a plurality of upper connecting beams, one end of each upper connecting beam is connected with the wind collecting column, and the other end of each upper connecting beam is connected with the top bearing seat of the rotary main shaft.
2. The wind-concentrating wind-driven power generation system according to claim 1, wherein: the upper parts of the upper connecting beams are connected through a protective net, and the upper connecting beams are connected with the rotary main shaft through a bearing mechanism; the bearing mechanism comprises a bearing seat, a bearing and a bearing end cover, one end of the connecting beam is connected with the bearing seat, the outer ring of the bearing is matched with the bearing seat, the inner ring of the bearing is connected with the end part of the rotary main shaft, and the bearing end cover is fixedly connected with the bearing seat.
3. The wind concentrating type wind driven power generation system according to claim 2, wherein: the lower supporting platform comprises a lower connecting beam, a connecting plate and a connecting net, the connecting plate is arranged below each wind collecting column, one end of the lower connecting beam is fixedly connected with the connecting plate, the other end of the lower connecting beam is fixedly connected with a cabin of the cabin braking and speed-increasing transmission power generation mechanism, and the upper portions of the lower connecting beams are connected through the connecting net.
4. A wind-harvesting, wind-driven power generation system according to claim 3, wherein: the utility model discloses a brake system of aircraft engine, including main support post, well pillar and limit pillar, main support post upper end with cabin braking acceleration rate transmission power generation mechanism's cabin bottom fixed connection, well pillar is equipped with many, and these well pillars along the circumference evenly distributed of main support post, every well pillar all through horizontal pull rod with main support post fixed connection, every well pillar of outermost circle still is connected with a set of limit pillar through horizontal pull rod, and the side of every group limit pillar still is connected with two oblique posts and upright post, through horizontal pull rod and oblique pull rod fixed connection between these two oblique posts and the upright post, is connected by a plurality of connecting rods between every adjacent limit pillar.
5. The wind-concentrating wind-driven power generation system according to claim 1, wherein: the appearance of the wind collecting column is defined by a horizontal outward-curved vertical surface, a radial vertical surface and an inward-curved arc vertical surface which are arranged in the vertical direction together to form a geometric working surface; the inner curved circular arc vertical surfaces of the plurality of wind collecting columns are positioned on the concentric circumference, and the radial vertical surfaces are positioned on the radial direction of the same circle.
6. The wind-concentrating wind-driven power generation system according to claim 1, wherein: the number of the wind collecting columns of each group of wind collecting devices is 5-31, the wind collecting columns are uniformly distributed along the circumference of the lower supporting platform, and each wind collecting column is vertical to the same horizontal plane;
and two adjacent wind collecting columns are fixedly connected through 6-21 connecting rods by bolts.
7. The wind concentrating type wind driven power generation system according to claim 6, wherein: and a lightning rod is further installed at the top of each wind collecting column, and a wind adjusting mechanism is further installed on each wind collecting column.
8. The wind-concentrating wind-driven power generation system according to claim 1, wherein: the wind wheel rotating mechanism is provided with 5-38 groups of fan blades, each group of fan blades consists of 1-20 fan blades, and each group of fan blades is arranged on a plurality of layers of cross rods in a vertical plane.
9. The wind concentrating wind driven power generation system of claim 8, wherein: the tie bars comprise a horizontal tie bar and a diagonal tie bar, two adjacent cross bars are connected through the horizontal tie bar, the cross bars are connected with the rotation main shaft through the diagonal tie bar, and the tie bars are rigid tie bars or flexible tie bars.
10. The wind-concentrating wind-driven power generation system according to claim 1, wherein: the engine room braking and speed-increasing transmission power generation mechanism comprises a brake, a speed-increasing transmission and a generator set.
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| CN202011174835.0A CN112360682A (en) | 2020-10-28 | 2020-10-28 | Wind-collecting type wind-driven power generation system |
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| CN202011174835.0A CN112360682A (en) | 2020-10-28 | 2020-10-28 | Wind-collecting type wind-driven power generation system |
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| CN101349249A (en) * | 2008-09-05 | 2009-01-21 | 寸亚西 | Suspended type vertical shaft wind power generator apparatus |
| CN102042165A (en) * | 2009-10-12 | 2011-05-04 | 中金富华能源科技有限公司 | Wind gathering deflector applied to vertical-shaft wind turbine |
| WO2015035904A1 (en) * | 2013-09-11 | 2015-03-19 | 上海广吉电气有限公司 | Vertical wind power generation system with dual fan blades mounted and multi-layer reinforced concrete frame |
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