CN101852179A - Multi-stage impeller wind-driven generator - Google Patents
Multi-stage impeller wind-driven generator Download PDFInfo
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- CN101852179A CN101852179A CN200910210773A CN200910210773A CN101852179A CN 101852179 A CN101852179 A CN 101852179A CN 200910210773 A CN200910210773 A CN 200910210773A CN 200910210773 A CN200910210773 A CN 200910210773A CN 101852179 A CN101852179 A CN 101852179A
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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 invention provides a multi-stage impeller wind-driven generator which comprises a tower post and a wind-driven generator, wherein the tower post is vertically provided with multiple layers of tower post bearing supports, each layer of tower post bearing support is provided with a perforation, the wind-driven generator comprises a vertical shaft and multiple wind-driven impellers, the vertical shaft penetrates through each layer of tower post bearing support and is rotatably fixed with each layer of tower post bearing support, the wind-driven impellers are respectively arranged in the spaces between the multiple layers of tower post bearing supports and are rotatably fixed on the vertical shaft, and the lower end of the vertical shaft is connected with a generator set. The multi-stage impeller wind-driven generator can be operated under the condition of a breeze with a wind speed of 2m/s to generate electricity, can also safely generate electricity under the condition of a strong wind, and has the advantages of reasonable structure, less easily worn parts, small maintenance capacity, convenient installation and maintenance and long service life up to 20-50 years.
Description
The applicant has applied for utility model patent simultaneously with regard to the present invention.
Technical field
The invention belongs to technical field of wind power generation, relate to a kind of wind power plant, especially a kind of multi-stage impeller wind-driven generator.
Background technique
At present, wind-driven generator becomes development trend for obtaining bigger electric power, maximizing.Existing wind-driven generator is divided into horizontal shaft type generator and two kinds in vertical shaft type generator, these two kinds of generators, and in order to obtain the bigger amount of collecting folk songs, impeller blade length is done also increasingly.Tens tons, up to a hundred tons heavy generator set are arranged on more than 100 meter high support upper end, and the installation in high-altitude, debugging and repairing all must cooperate large-scale elevation and subsidence mechanical high-lift operation.Because center of gravity is higher, so this wind-driven generator is easy to collapse under high wind, causes a serious accident.Existing horizontal shaft type and vertically shaft type single impeller wind-driven generator when wind-force is excessive, realizes reducing the collecting folk songs safety of face protection power generating equipment all be blade to be carried out the break-in adjusting by becoming the leaf-teeth roller box; and change leaf-teeth roller box complex structure; damage easily; cause the rate of fault of this wind-driven generator very high thus, the fault of wind-driven generator 80% all goes out becoming on the leaf gearbox usually.In addition, so huge blade uses reinforced plastics usually in the prior art, and the large-scale injection molding machining accuracy just is difficult to improve, and adds that this reinforced plastics is passed in time also can produce small contraction and aging gradually, has influenced the working life of unit like this.One of handling characteristics of wind-driven generator is to want scattered resettlement in the wilderness, and the fan blade of large-scale wind driven generator is positioned at peak, is subject to thunderbolt.The lightning arrester of wind-driven generator of the prior art will be installed on the blade, be subject to the blade rotation structure, lightning-arrest poor effect, therefore, the time have the thunderstruck accident of wind-driven generator to take place, and be struck by lightning, often cause the Mechatronic Systems overvoltage, cause the damage of the breakdown and electric equipment of valuable parts such as the burning of blower fan automation control and communication device, generator; Except these components losses, the loss that also causes reparation can't generate electricity and bring therebetween is so damage to crops caused by thunder also is the serious problems that threaten blower fan safe operation and economical operation.
Summary of the invention
The objective of the invention is to improve the defective of prior art, provide a kind of rational in infrastructure, can effectively resist the overturning of top-heavy wind tower, thunder and lightning smashes, avoid that the wind tower is too high, the long hazards of blade strengthen, inadequate natural endowments such as installation difficulty increasing, make it weak wind and high wind and all can be fully used, and be convenient to a kind of multi-stage impeller wind-driven generator of installing, debug and repairing.
The object of the present invention is achieved like this:
Multi-stage impeller wind-driven generator provided by the invention, comprise the impeller shaft assembly, pylon and generator assembly, described impeller shaft assembly comprises a rotating shaft, some wind-force impellers, described some wind-force impellers are set in described rotating shaft vertically, between each described wind-force impeller and described rotating shaft, centrifugal clutch is set all, make described wind-force impeller with described rotating shaft following two states be arranged: the first is connected with described rotating shaft when a setting value is following at the rotating speed of wind-force impeller, promoting this rotating shaft rotates, it two is that rotating speed wind-force impeller when a setting value is above at wind-force impeller breaks away from described rotating shaft and combines wind-force impeller idle running; Described impeller shaft assembly is set on this pylon, and described rotating shaft connects described generator set, and described rotating shaft is rotatably supported on the described pylon.
Described rotating shaft can be vertically to be provided with, and also can be horizontally disposed, can also be assembled state, i.e. rotating shaft comprises horizontally disposed, also comprises vertical setting.
Described rotating shaft vertically is provided with, and can be such structure: described some wind-force impellers are set on this vertical pivot, are provided with described centrifugal clutch between each described wind-force impeller and the vertical pivot; Can also be such structure: on this vertical pivot, connect some pole axles by driving mechanism, on each described pole axle, a described wind-force impeller is set, between this wind-force impeller and the described pole axle described centrifugal clutch is set, some wind-force impellers on the described vertical pivot, from bottom to top, its length of blade reduces gradually.
At this moment, described generator set is arranged on the lower end of described vertical pivot, and described vertical pivot is arranged on the described pylon rotationally.
Described rotating shaft is horizontally disposed with, and can be such structure: some wind-force impellers are set on this horizontal rotating shaft, are provided with described centrifugal clutch between each described wind-force impeller and the horizontal rotating shaft; Some wind-force impellers on the described horizontal rotating shaft, its length of blade equates or is unequal
An end of this horizontal rotating shaft connect generator set or, this horizontal rotating shaft connects transmission device, is connected by the generator set of transmission device below being arranged on this horizontal rotating shaft; One end of described horizontal rotating shaft is arranged on the support of erectting, and perhaps, the two ends of this horizontal rotating shaft are arranged on the support.
A kind of combined type turning shaft structure, it comprises a horizontally disposed rotating shaft and a rotating shaft that vertically is provided with, some wind-force impellers are set on this horizontal rotating shaft, be provided with described centrifugal clutch between each described wind-force impeller and the horizontal rotating shaft, described horizontal rotating shaft is connected in the described rotating shaft of vertical setting by driving mechanism, drives this rotating shaft that vertically is provided with and rotates.
Described generator set is arranged on the described lower end that rotating shaft vertically is set.The rotating shaft of described level and the rotating shaft of described vertical setting all are arranged on the pylon rotationally.
Also has a kind of fabricated structure, be that described rotating shaft is rotating shaft and at least two horizontally disposed rotating shafts that vertically are provided with, described horizontally disposed rotating shaft is connected with the rotating shaft of described vertical setting by driving mechanism, in every described horizontally disposed rotating shaft, described several wind-force impellers are set, are provided with described centrifugal clutch between each described wind-force impeller and the horizontal rotating shaft; The length of blade of the wind-force impeller that is provided with on the horizontal rotating shaft of different heights setting is that the length of blade of the impeller on the higher position horizontal rotating shaft is shorter up and down; Each impeller on same horizontal rotating shaft, its length of blade can be identical, also can be different.Described generator set is arranged on the described lower end that rotating shaft vertically is set.The described vertical rotating shaft and the rotating shaft of level are arranged on the pylon rotationally.
The centrifugal clutch that is provided with between described wind-force impeller and the described rotating shaft, comprise driving link, centrifugal body and driven member, described driving link is wind-force impeller, described driven member is the described rotating shaft that described impeller is set on it, on this rotating shaft and the centrifugal body corresponding position be respectively equipped be complementary can in conjunction with or break away from the combining structure of combination, described centrifugal body can move between described wind-force impeller and described rotating shaft and make to combine or to break away from described rotating shaft and be fixed in combination on the described wind-force impeller, also is provided with an elasticity reset device between described centrifugal body and described wind-force impeller.Rotate by the wind-drive wind-force impeller, below a certain setting rotating speed, described centrifugal body combines with described rotating shaft by described elasticity reset device tractive and drives rotating shaft and rotate, increasing when wind-force, make the rotating speed of wind-force impeller when described setting rotating speed is above, centrifugal body is thrown out of and disengages with rotating shaft, impeller idle running this moment; Get back to the rotating speed of wind-force impeller when the abatement of wind and to set rotating speed or when following, under the effect of elasticity reset device, centrifugal body weight newly combines with rotating shaft, driving rotating shaft rotation.
Described pylon with described centrifugal clutch on the corresponding position of centrifugal body on also be provided with braking device, make after the rotating speed of described wind-force impeller surpasses described setting rotating speed, to be thrown out of afterwards to contact and slow down its rotating speed with this braking device.
Described centrifugal body and and described wind-force impeller between linkage structure can be: described centrifugal body is a pendulum, it is connected firmly by a tup and a swing arm connecting rod and forms, swing arm connecting rod one end and described wind-force impeller hinged securement, tup and described rotating shaft corresponding position be provided with can in conjunction with or break away from the combining structure of combination.
Combining structure between described centrifugal body and rotating shaft or pendulum and the rotating shaft can be multiple mechanical structure.For example, can be to establish single direction ratchet in the rotating shaft, corresponding moving tooth portion is set on centrifugal body or the pendulum.
A kind of concrete described centrifugal clutch can be such structure: the described centrifugal body in this centrifugal clutch comprises single direction ratchet, pendulum and Returnning spring, described combining structure in the described rotating shaft be a single direction ratchet be arranged on the corresponding rotating shaft of described wind-force impeller on, described pendulum comprise one with described ratchet on ratchet engagement or break away from engagement moving tooth portion tup and a swing arm connecting rod of described combining structure, one end of described swing arm connecting rod connects described tup, its the other end is hinged on the described wind-force impeller, connects described Returnning spring between described commentaries on classics and swing arm connecting rod.
Further, on the pylon of every layer of pylon bearing support of correspondence, be centered around described pendulum outside and be provided with brake ring, be provided with friction plate on the outer end face of described tup and on the inwall of corresponding brake ring.
Blade on the described wind-force impeller is the cellular structure sandwich plate.
Described pylon is that cross section is leg-of-mutton triangle pylon, and/or described pylon cross section reduces from bottom to top; , the multilayer bearing support is set from top to bottom on pylon, perforation is set on bearing support, between described vertical rotating shaft and bearing support, bearing is set for vertical rotating shaft setting.
The blade of each described wind-force impeller is all within the framework of described pylon.
The rotating shaft of described vertical setting is a multi-segment structure, is connected by flexible coupling or elastic coupling flexible coupling between every section axle and the section axle, and each shaft part described wind-force impeller of correspondence all.
When rotating shaft when being horizontally disposed with, on the rotating shaft of this level and shaft part that generator set is connected, described flexibility or elastic coupling flexible coupling are set.
Top at described pylon is provided with lightning arrester.
Multi-stage impeller wind-driven generator provided by the invention, changed in the prior art in order to increase the custom thinking that the face of collecting folk songs just increases single impeller simply, employing is provided with several wind-force impellers in rotating shaft, though the length of blade of each impeller has reduced, but than existing level axial length slurry single impeller wind-driven generator, the face of collecting folk songs of power generation system of the present invention distributes from top to bottom, the area of not only collecting folk songs does not reduce, and higher for the utilization ratio of wind-force.In the prior art, a wind-force impeller is located at higher position, when the excessive vane angle speed of wind-force surpasses setting value, adjusts the angle of blade by becoming the leaf-teeth roller box, reduces wind-exposuring area, reduces wheel speed to guarantee safety.Naturally the wind comes from, all be that eminence wind-force is bigger usually on short transverse, and lower wind-force is less, so when blowing high wind, the wind-force on the reduced levels height can be less relatively, and at this moment perhaps the wind-force of lower just in time be suitable as the Driving force of generator impeller, and existing wind-driven generator or do not establish impeller at low-level height, perhaps the length of blade of the set impeller of lower and eminence is the same, to all utilizations well of low latitude wind-force.And the present invention, because impeller is arranged from top to bottom, and from top to bottom, the length of blade of impeller increases gradually, the vertical arrangement setting of the multi-stage impeller of this unprecedented innovation, need not artificially to regulate wind direction to add strong wind, can connect " octahedral be the wind comes from ", and this wind-driven generator can be at the uniform velocity normal in very big wind ranges, generating incessantly, this wind-driven generator with vertical rotating shaft is an example, under high wind,, break away from rotating shaft successively and combine from the shortest wind-force impeller of top vane, like this, can guarantee nonoverload, safe power generation is under weak wind, for example under light breeze power situation, the wind-force impeller of the less position of some length of blade higher position that vertical pivot top is provided with still can be moving and promote rotating shaft and rotate and generate electricity by wind, so this wind-driven generator all can evenly generate electricity down in such as the large wind intensity region of high wind and weak wind.Therefore, this wind-driven generator can produce the electric power also bigger than conventional wind power generator.Simultaneously, the present invention changes in the prior art and regulates the conventional structure of the blade angle of wind-force impeller by becoming the leaf-teeth roller box, solves high wind overload protection problem by centrifugal clutch is set between wind-force impeller and rotating shaft.Therefore, make the structure of this wind-driven generator simplify greatly, the head weight of holding cat head high significantly reduces, the overall structure center of gravity reduces greatly, rate of fault, amount of maintenance also descend relatively significantly, thereby have both improved stability, have improved the working life and the Economy of wind-driven generator again.And, use wind power generation impeller rotating assembly provided by the invention, the rotating shaft that is connected with impeller is horizontally disposed with can be not top-heavy as existing level shaft type wind-driven generator yet, can avoid effectively that the wind tower is too high, leaf starches long hazards and strengthens, inadequate natural endowments such as installation difficulty increasing make the Security of wind-driven generator improve greatly.Multi-stage impeller structure in this wind power generation impeller rotating assembly and the power generation system adds the multi-segment structure of rotating shaft, can segmentation install when mounted, and be that less impeller is set aloft, so install, debugging and repair all very convenient.Therefore, multi-stage impeller wind-driven generator provided by the invention is rational in infrastructure, can effectively resist the high wind overturning, can make full use of wind energy and be convenient to installation, debugging and repair.
Description of drawings
Fig. 1 is the structural representation of a kind of structure of multi-stage impeller wind-driven generator provided by the invention;
Fig. 2 main sectional structure schematic representation that to be wind-force impeller combine by centrifugal clutch with vertical pivot;
Fig. 3 plan structure schematic representation that to be wind-force impeller combine by centrifugal clutch with vertical pivot;
Fig. 4 is for constituting the structural representation of the elastic coupling flexible coupling in the multi-section type vertical pivot;
Fig. 5 is the structural representation of another kind of vertical pivot multi-stage impeller wind-driven generator;
Fig. 6 is a kind of structural representation of horizontal shaft type multi-stage impeller wind-driven generator;
Fig. 7 is the structural representation of another kind of horizontal shaft type multi-stage impeller wind-driven generator;
The knockdown multi-stage impeller wind-driven generator of Fig. 8 vertical pivot and horizontal axis is the structural representation of matrix type impeller wind-force wind power generation impeller rotating assembly;
Fig. 9 is the structural representation of cellular structure impeller blade.
Embodiment
Shown in Fig. 1,2 and 3, multi-stage impeller wind-driven generator provided by the invention comprises the pylon 1 and a wind turbine generator of a triangular-section.
Described pylon 1 is that cross section is leg-of-mutton triangle pylon.This triangle pylon is compared with existing rectangular cross-section pylon, because its a plurality of side direction windward side is a lateral face, is difficult for by the wind overturning.This pylon 1 vertically be provided with several layers pylon bearing support 10 from top to bottom, on this pylon bearing support of each layer, be provided with perforation 11.
Described wind turbine generator comprises a vertical pivot 2 and some wind-force impellers 3, this vertical pivot 2 passes the perforation 11 on each layer pylon bearing support 10, fixing with each layer pylon bearing support 10 rotationally by bearing 21, in the space between the described pylon bearing support of corresponding each layer a described wind-force impeller 3 is set respectively, described wind-force impeller 3 comprises the wheel hub platen 31 at center and is installed in the blade 32 of wheel hub platen gabarit, between the wheel hub platen 32 of wind-force impeller 3 and the vertical pivot 2 bearing 22 is set, be rotatably mounted on the described vertical pivot 2 by the bearing wind-force impeller, connect generator set 5 in the lower end of described vertical pivot 2.
Between described wind-force impeller 3 and described vertical pivot 2, centrifugal clutch 4 is set, make described wind-force impeller 3 with described vertical pivot 2 following two states be arranged: the first is connected with described vertical pivot than hour wind-force impeller at wind-force, promoting this vertical pivot rotates, it two is that wind-force impeller breaks away from described vertical pivot and combines when wind-force is big, and wind-force impeller dallies.
The described centrifugal clutch 4 that is provided with between each wind-force impeller 3 and described vertical pivot 2 can be such structure: as Fig. 2, shown in 3, this centrifugal clutch comprises single direction ratchet 41, pendulum 42 and Returnning spring 43, described single direction ratchet 41 be arranged between described pylon bearing support with the corresponding vertical pivot 2 of described wind-force impeller on, described pendulum 42 comprise one with described ratchet 41 on ratchet engagement or break away from tup 421 and a swing arm connecting rod 422 of engagement end, one end of described swing arm connecting rod 422 connects described tup 421, its the other end is hinged on by hinging shaft 423 on the wheel hub platen 31 of described wind-force impeller 3, connects described Returnning spring 43 between described vertical pivot 2 and swing arm connecting rod 422.
Under static state, the tup 421 on the pendulum 42 is meshed with single direction ratchet on the vertical pivot 2, when wind-force hour, wind-force impeller rotates, and can drive vertical pivot and rotate, thereby carry out wind-power electricity generation.When increasing Deng wind-force, make pendulum 42 be subjected to bigger centrifugal force, tup 421 breaks away from engagement with ratchet, and at this moment, wind-force impeller dallies and do not drive the vertical pivot rotation.
The wind-force impeller of the present invention design when wind-force is big with the generator set structure that combines of the main shaft disengaging of turbogenerator for example, can avoid causing the damage of turbogenerator parts under high wind because of wind-force is excessive.Such design seems and does not utilize wind energy fully, but in fact is more reasonably to have utilized wind energy.Wind-force always strong lower of eminence a little less than.Horizontal axis wind-driven generator is built pylon more and more higher in order to obtain bigger wind-force in the prior art, does not consider to utilize and add for the wind-force of lower.And wind-driven generator provided by the invention by multistage wind-force impeller is set on vertical pivot from top to bottom, also uses the wind-force of lower.When wind-force is big, some wind-force impeller rotating speeds of vertical pivot top are too fast, may have a negative impact to generator, then make the driving of its disengaging to vertical pivot by clutch, and the wind-force that the wind-force impeller that at this moment is in lower position obtains is the intensity of suitable generating, these impellers still are connected with vertical pivot, drive vertical pivot.Therefore, this wind-driven generator should be more abundant to the utilization of wind-force, and is also safer.Wind-force is excessive, and impeller and vertical pivot break away from engagement, grant asylum for generator system.Excessive wind-force makes the impeller high speed rotating, and the fast idle that impeller breaks away from after the rotating shaft also has adverse effect for impeller itself.For fear of the excessive damage impeller of wind-force, can on described pylon bearing support, be provided with braking device, make when wind-force is above certain intensity after impeller breaks away from rotating shaft, can contact with this braking device and slow down its rotating speed.On the pylon of every layer of pylon bearing support 10 of correspondence, be centered around described pendulum 42 outsides and be provided with brake ring 44, on the madial wall of brake ring 44, be provided with friction plate 441, on the outer end face of described tup 421, be provided with friction plate 424.When wind-force is excessive, contact at the brake ring of action of centrifugal force lower ram 421 with its outside, under the effect of the friction plate on brake ring and the tup, can slow down to wind-force impeller, wind-force impeller is granted asylum.Braking device provided by the invention, because the centrifugal body in the clutch is that an end is hinged on the pendulum structure on the impeller, when wind-force increases, the tup of pendulum outwards moves under action of centrifugal force, contact with brake ring and to make rotating speed moment of impeller reduce, tup promptly separates with brake ring, when wind speed increases again, tup can contact with brake ring but also separate not only, just implemented a little to stop for impeller like this, compared with holding brake tightly, such point is stopped and can be slowed down stably to impeller, vibration be can not produce, the safety of power generation system and the working life of blade guaranteed.
In order to improve the intensity of wind-force impeller, the blade 32 on the described wind-force impeller can press from both sides bearing support (as shown in Figure 9) for cellular structure, and it can be for example aluminum alloy material manufacturing of light-weight metal, also can be the various made that adapt to Environmental Conditions.
Some wind-force impellers on the described vertical pivot of this wind turbine generator, from bottom to top, its length of blade reduces gradually.The blade of each described wind-force impeller is all within the framework of described pylon.Such structure can if pylon has lightning arrester, can be protected all impellers and generator set so that all wind-force impellers all are in the frame type high-tension shielding cover of pylon of triangular-section.
The lightning arrester 6 of pylon is installed in the top of pylon 1.
The vertical pivot of this wind-power generating system needs tens meters usually, even up to a hundred meters height, for the ease of making, reduces and installs and accuracy of manufacturing, and described vertical pivot 2 is preferably multi-segment structure, connects by flexible coupling between every section shaft part.And each shaft part correspondence is provided with a described wind-force impeller.Described coupling for example can be selected elastic coupling flexible coupling (as shown in Figure 4) for use.Concrete, this coupling 70 comprises elastic component 71, adpting flange 201 and adpting flange 72 and chek bolt 73, in the adjacent end of two shaft parts 20 flange 201,72 is set, flange can weld with shaft part 20, also can be spirally connected is connected, or connect firmly by interference fit, between two shaft parts, be provided with by the elastic component that comprises that flexible material or elastic material are made, connect two flanges, two shaft parts are coupled together by chek bolt 73.This segmentation structure of this vertical pivot 2 can compensate the skew of vertical pivot, can access good buffering and absorption for impeller with the shock and vibration of wind-force and vertical pivot clutch.
Triangle tower design provided by the invention has four big features: one, it is the rock-steady structure of the simplest saving, especially take with single wind wheel is the mounting type of increasing layer by layer of assembly, than existing single tower blower fan, no matter structurally, still all demonstrate more brief, feature easily in (comprising debugging) and the maintenance installing; Its two, based on last design concept, the present invention is more suitable for the use of wind fields with a varied topography such as sea, mountain region; Its three, based on the first two some feature, the present invention is more flexible on wind field is promptly collected folk songs a little selection, can be on remote island, the villages and small towns, mountain area independently are provided with, decentralized power supply need not cable laying to be connected to the grid; Its four, this structure can also make all wind-force impellers all be in the frame type high-tension shielding cover of pylon of triangular-section, is provided with lightning arrester on the pylon top, thereby can protects all impellers and generator set not to be smashed by thunder and lightning.
Can move generating under the gentle breeze that the multi-stage impeller wind-driven generator that rotating shaft vertically is set provided by the invention is 2m/s at wind speed, when wind-force increases gradually, wind-force impeller from the top combines with the rotating shaft disengaging downwards in proper order, and rational in infrastructure, easily worn part is few, amount of maintenance is little, be convenient to install, safeguard that can reach 20-50 working life.
Multi-stage impeller wind-driven generator provided by the invention, wherein said rotating shaft can also have following structural types except vertically being provided with as previously mentioned.
As described in Figure 5, on this vertical pivot 8, pass through for example some pole axles 82 of bevel-gear sett 81 connections of driving mechanism, a described wind-force impeller 3 is set on each described pole axle 82, between this wind-force impeller 3 and the described pole axle 82 described centrifugal clutch is set.
At this moment, described generator set is arranged on the lower end of described vertical pivot 8.Bearing 21 is set on the vertical pivot is connected supporting with pylon.
In the said structure, the impeller blade length on the top pole axle 82 is less, and the impeller blade length on the bottom pole axle 82 is bigger.Other structure is embodiment as described above.
Described rotating shaft also can be horizontally disposed.
As shown in Figure 6, some wind-force impellers 3 are set on this horizontal rotating shaft 9, are provided with described centrifugal clutch between each described wind-force impeller 3 and the horizontal rotating shaft 9;
Connect generator set 5 (not shown)s at an end of this horizontal rotating shaft 9, horizontal rotating shaft and generator set between shaft part on a flexibility is set or elastic coupling flexible coupling 70 gets final product; One end of described horizontal rotating shaft is arranged on the support 100 of erectting, and perhaps, the two ends of this horizontal rotating shaft all are arranged on the support.Bearing 21 is set on the horizontal rotating shaft is connected supporting with pylon.
Described rotating shaft is horizontally disposed with, also can be such structure: as shown in Figure 7, some wind-force impellers 3 are set on this horizontal rotating shaft 9, be provided with described centrifugal clutch between each described wind-force impeller and the horizontal rotating shaft, one end of described horizontal rotating shaft 9 by driving mechanism for example bevel-gear sett 81 be connected in the rotating shaft 8 that vertically is provided with, drive this rotating shaft that vertically is provided with and rotate.The other end of horizontal rotating shaft can be bearing on the support 200.
Described generator set 5 is arranged on the described lower end (not shown) that rotating shaft 8 vertically is set.Connect generator set and connect described driving mechanism such as bevel gear 81 between the rotating shaft of vertical setting on a flexibility or elastic coupling flexible coupling 70 are set.
The length of blade that is arranged on each wind-force impeller on the horizontal rotating shaft among aforesaid two embodiments can equate, also can be not wait.
Also has a kind of fabricated structure, as shown in Figure 8, be that described rotating shaft is rotating shaft 8 and at least two horizontally disposed rotating shafts 9 that vertically are provided with, one end of described horizontally disposed rotating shaft 9 by driving mechanism for example bevel-gear sett 81 be connected with the rotating shaft 8 of described vertical setting, in every described horizontally disposed rotating shaft 9, described several wind-force impellers are set, be provided with described centrifugal clutch between each described wind-force impeller and the horizontal rotating shaft, this structure can be identical with earlier figures 6, structure shown in Figure 7.The other end of each horizontal rotating shaft is bearing on the support 200.Bearing 21 is set on the horizontal rotating shaft is connected supporting with pylon.Generator set 5 is connected the lower end of the rotating shaft 9 of vertical setting.Form matrix type wind power generator thus.Such structure can effectively increase the face of collecting folk songs.In this structure, the impeller blade length in the upper level rotating shaft 9 is less, and the impeller blade length in the lower horizontal rotating shaft 9 is bigger.Between each bevel gear of the rotating shaft that vertically is provided with and connect generator set and connect on the shaft part between the described driving mechanism flexibility or elastic coupling flexible coupling 70 are set.
Blade on the wind-force impeller of the present invention adopts metal material, adopt the manufacturing of honeycomb sandwich plate, compare with made of fiberglass reinforced plastics blade in the prior art and to have following advantage: 1, honeycomb sandwich plate blade strength processed is high realizes design accuracy easily, and be difficult for aging, so the life-span is long; 2, the honeycomb leaf weight is light, generating efficiency height under weak landscape condition particularly, otherwise fiberglass. The blade of this wind-force impeller can design for cambered surface, and is different from existing plate blade project organization, need not at pylon wind deflector to be set, and the wind comes from of different directions can be blown it.
Claims (10)
1. multi-stage impeller wind-driven generator, it is characterized in that: comprise the impeller shaft assembly, pylon and generator assembly, described impeller shaft assembly comprises a rotating shaft, some wind-force impellers, the some described wind-force impeller that in described rotating shaft, is provided with vertically, between each described wind-force impeller and described rotating shaft, centrifugal clutch is set all, make described wind-force impeller with described rotating shaft following two states be arranged: the first is connected with described rotating shaft when a setting value is following at the rotating speed of wind-force impeller, promoting this rotating shaft rotates, it two is that rotating speed wind-force impeller when a setting value is above at wind-force impeller breaks away from described rotating shaft and combines wind-force impeller idle running; Described impeller shaft assembly is set on this pylon, and described rotating shaft connects described generator set, and described rotating shaft is rotatably supported on the described pylon.
2. multi-stage impeller wind-driven generator according to claim 1 is characterized in that: described rotating shaft is vertically to be provided with, and/or described rotating shaft is horizontally disposed.
3. multi-stage impeller wind-driven generator according to claim 2, it is characterized in that: described rotating shaft vertically is provided with, some described wind-force impellers are set on this vertical pivot, be provided with described centrifugal clutch between each described wind-force impeller and the vertical pivot, described generator set is arranged on the lower end of described vertical pivot; Described vertical pivot is arranged on the described pylon rotationally, the some described wind-force impeller on the described vertical pivot, and from bottom to top, its length of blade reduces gradually; Perhaps,
Described rotating shaft vertically is provided with, on this vertical pivot, connect some pole axles by driving mechanism, on each described pole axle a described wind-force impeller is set, between this wind-force impeller and the described pole axle described centrifugal clutch is set, described generator set is arranged on the lower end of described vertical pivot; Described vertical pivot is arranged on the described pylon rotationally, the some described wind-force impeller on the described vertical pivot, and from bottom to top, its length of blade reduces gradually; Perhaps,
Described rotating shaft is horizontally disposed with, some described wind-force impellers are set on this horizontal rotating shaft, be provided with described centrifugal clutch between each described wind-force impeller and the described horizontal rotating shaft, connect described generator set or be connected by the generator set of transmission device below being arranged on this horizontal rotating shaft at an end of this horizontal rotating shaft; One end of described horizontal rotating shaft is arranged on the described pylon of erectting, and perhaps, the two ends of this horizontal rotating shaft are arranged on the described pylon, the some described wind-force impeller on the described horizontal rotating shaft, and its length of blade equates or is unequal; Perhaps,
Described rotating shaft is the combined type turning shaft structure, it comprises a horizontally disposed rotating shaft and a rotating shaft that vertically is provided with, some described wind-force impellers are set on this horizontal rotating shaft, be provided with described centrifugal clutch between each described wind-force impeller and this horizontal rotating shaft, some described wind-force impeller on the described horizontal rotating shaft, its length of blade equates or is unequal; Described horizontal rotating shaft is connected in the rotating shaft of described vertical setting by driving mechanism, drives this rotating shaft that vertically is provided with and rotates, and described generator set is arranged on the described lower end that rotating shaft vertically is set; The rotating shaft of described level and the rotating shaft that vertically is provided with are arranged on the described pylon rotationally; Perhaps,
Described rotating shaft is the combined type turning shaft structure, it comprises the rotating shaft and at least two horizontally disposed rotating shafts that vertically are provided with, horizontally disposed described rotating shaft is connected with the described rotating shaft that vertically is provided with by driving mechanism, in every horizontally disposed described rotating shaft, several described wind-force impellers are set, are provided with described centrifugal clutch between each described wind-force impeller and this horizontal rotating shaft; Some described wind-force impeller on the same described horizontal rotating shaft, its length of blade equates or is unequal; The length of blade of the described wind-force impeller that is provided with on the described horizontal rotating shaft of different heights setting is that the length of blade of the impeller on the higher position horizontal rotating shaft is shorter up and down; Described generator set is arranged on the lower end that described rotating shaft vertically is set; The vertical described rotating shaft and the described rotating shaft of level are arranged on the described pylon rotationally.
4. multi-stage impeller wind-driven generator according to claim 1, it is characterized in that: the centrifugal clutch that is provided with between described wind-force impeller and the described rotating shaft, comprise driving link, centrifugal body and driven member, described driving link is wind-force impeller, described driven member is the described rotating shaft that described wind-force impeller is set on it, on this rotating shaft and the centrifugal body corresponding position be respectively equipped be complementary can in conjunction with or break away from the combining structure of combination, described centrifugal body can move between described wind-force impeller and described rotating shaft and make to combine or to break away from described rotating shaft and be fixed in combination on the described wind-force impeller, also is provided with an elasticity reset device between described centrifugal body and described wind-force impeller; Perhaps,
Blade on the described wind-force impeller is the cellular structure sandwich plate; Perhaps,
The blade of described wind-force impeller is a cambered surface.
5. multi-stage impeller wind-driven generator according to claim 4, it is characterized in that: on the corresponding position of centrifugal body on described pylon and the described centrifugal clutch, also be provided with braking device, contact with this braking device after making rotating speed when described wind-force impeller surpass the setting rotating speed to be thrown out of and slow down its rotating speed.
6. multi-stage impeller wind-driven generator according to claim 4, it is characterized in that: the linkage structure between described centrifugal body and the described wind-force impeller is: described centrifugal body is a pendulum, it is connected firmly by a tup and a swing arm connecting rod and forms swing arm connecting rod one end and described wind-force impeller hinged securement.
7. multi-stage impeller wind-driven generator according to claim 4, it is characterized in that: described centrifugal clutch is such structure: the described centrifugal body in this centrifugal clutch comprises pendulum and Returnning spring, described combining structure is a single direction ratchet in described rotating shaft, be arranged on the corresponding described rotating shaft of described wind-force impeller on, described pendulum comprise one which is provided with described ratchet on ratchet engagement or tup and swing arm connecting rod of the moving tooth portion of out-of-gear described combining structure, one end of described swing arm connecting rod connects described tup, its the other end is hinged on the described wind-force impeller, connects described Returnning spring between described rotating shaft and swing arm connecting rod; Perhaps and, on the pylon of every layer of pylon laminate of correspondence, be centered around described pendulum outside and be provided with brake ring, be provided with friction plate on the outer end face of described tup and on the inwall of corresponding brake ring.
8. multi-stage impeller wind-driven generator according to claim 3 is characterized in that: when described rotating shaft vertically is provided with, and the some described wind-force impeller on the described vertical pivot, from bottom to top, its length of blade reduces gradually, perhaps,
In the assembly that comprises a vertical pivot and at least two horizontal rotating shafts, this wind-force impeller diameter on the described horizontal rotating shaft in top is less, this wind-force impeller diameter on the described horizontal rotating shaft in bottom is bigger, the some wind-force impellers on the same described horizontal rotating shaft, and its length of blade equates or is unequal; Perhaps,
In the rotating assembly that comprises a horizontally disposed rotating shaft and a rotating shaft that vertically is provided with, be arranged on the some impellers on the described horizontal rotating shaft, its length of blade equates or is unequal; Perhaps,
Connect in the described assembly of some pole axles by driving mechanism on this vertical pivot, this wind-force impeller diameter on the described pole axle in top is less, and this wind-force impeller diameter on the described pole axle in bottom is bigger; Perhaps,
The rotating shaft of described vertical setting is multistage segmentation structure, connects by flexibility or elastic coupling flexible coupling between every section shaft part, and a described wind-force impeller is set on each shaft part.
9. multi-stage impeller wind-driven generator according to claim 1 is characterized in that: the blade of each described wind-force impeller is all within the framework of described pylon; Perhaps,
Top at described pylon is provided with lightning arrester.
10. according to claim 2 or 3 or 9 described multi-stage impeller wind-driven generators, it is characterized in that: described pylon is that cross section is leg-of-mutton triangle pylon, and/or described pylon cross section reduces from bottom to top; , multistage layer bearing support is set from top to bottom on pylon, perforation is set on described bearing support, between vertical described rotating shaft and column plate, bearing is set for the described rotating shaft setting that vertically is provided with.
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| CN2009102107731A CN101852179B (en) | 2009-11-09 | 2009-11-09 | Multi-stage impeller wind-driven generator |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102374131A (en) * | 2011-09-28 | 2012-03-14 | 上海庆华蜂巢建材有限公司 | Vertical axis wind turbine made of honeycomb boards |
| CN102606411A (en) * | 2012-04-20 | 2012-07-25 | 李新民 | Vertical shaft multi-state dual-blade bidirectional rotation wind driven power generation device and power generation control method thereof |
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| CN103047088A (en) * | 2013-01-15 | 2013-04-17 | 青岛经济技术开发区泰合海浪能研究中心 | Tower-form type multilayer hydraulic vertical-axis wind turbine |
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| US4613763A (en) * | 1984-12-24 | 1986-09-23 | Swansen Theodore L | Wind driven electric power generating system |
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| WO2012155536A1 (en) * | 2011-05-18 | 2012-11-22 | Yuan Hong | Wind turbine |
| CN102374131A (en) * | 2011-09-28 | 2012-03-14 | 上海庆华蜂巢建材有限公司 | Vertical axis wind turbine made of honeycomb boards |
| CN102374131B (en) * | 2011-09-28 | 2013-07-31 | 上海庆华蜂巢建材有限公司 | Vertical axis wind turbine made of honeycomb boards |
| CN102606411A (en) * | 2012-04-20 | 2012-07-25 | 李新民 | Vertical shaft multi-state dual-blade bidirectional rotation wind driven power generation device and power generation control method thereof |
| CN103047088A (en) * | 2013-01-15 | 2013-04-17 | 青岛经济技术开发区泰合海浪能研究中心 | Tower-form type multilayer hydraulic vertical-axis wind turbine |
| CN103047088B (en) * | 2013-01-15 | 2016-05-25 | 青岛经济技术开发区泰合海浪能研究中心 | Tower-type multistage hydraulic vertical axis aerogenerator |
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