CN204827800U - Flywheel -type aerogenerator - Google Patents
Flywheel -type aerogenerator Download PDFInfo
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- CN204827800U CN204827800U CN201520580843.3U CN201520580843U CN204827800U CN 204827800 U CN204827800 U CN 204827800U CN 201520580843 U CN201520580843 U CN 201520580843U CN 204827800 U CN204827800 U CN 204827800U
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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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Abstract
The utility model discloses a flywheel -type aerogenerator, be in including montant and setting wind wheel subassembly, generator and the fin at montant top, wherein, the wind wheel subassembly specifically includes the main shaft and centers on a plurality of blades and ring and two flywheel balancing weights of the even interval distribution of this main shaft. Above -mentioned flywheel -type aerogenerator has overcome a great deal of technical defect of conventional art, reduces the instability of blade rotational speed and reduces the blade vibration range and the momentum that shakes, its the frequency amplitude rotational speed that can guarantee the blade tends towards stability, and then has guaranteed that aerogenerator's power output is stable, has guaranteed wind power generation quality and wind power generation efficiency.
Description
Technical field
The utility model relates to generator equipment technology field, particularly relates to a kind of flywheel-type wind-driven generator.
Background technique
Wind energy is a kind of clean environment firendly renewable resources, and wind energy power is technology maturation compared with the generations of electricity by new energy such as solar energy, underground heat, ocean energy, Hydrogen Energy, combustible ice, and not producing carbon emission completely, is contemporary optimal green energy resource.
Wind-driven generator is a kind of wind energy power machinery.Wind acts on blade with certain speed and the angle of attack, makes blade produce running torque, and by parts such as lower velocity shaft, speedup box, high speed shafts, wind energy is transformed into mechanical energy, finally drive high-speed engine generating, electric energy for from network users, also by inverter feed-in electrical network.
In the prior art, traditional wind-driven generator utilizes wind-force to drive air vane to rotate, then the speed rotated is promoted through booster engine, and then impels electrical power generators.According to current windmill technology, be approximately the gentle breeze speed (degree of gentle breeze) of three meters per second, just can start generating.
But there are some technological deficiencies successively in the wind-driven generator in conventional art; Such as: the wind-driven generator in conventional art is usually unstable because of wind-force, cause blade rotational speed unstable, and then cause the frequency of wind-driven generator unstable.Such as: the wind-driven generator of three or five blades, because the shape of blade is different, the blade rotational speed produced when natural wind speed is 3-4 meter per second is not tens to hundreds of rpm not etc., above-mentioned blade rotational speed scope is larger obviously, rotation speed change amplitude is larger, the easy like this frequency and amplitude rotary speed unstabilization causing blade, and then it is unstable to cause the electric power of wind-driven generator to export, and affects wind-power electricity generation quality and wind power generation efficiency.
Based on above reason, traditional wind easily causes blade rotational speed unstable, and wind-power electricity generation electro-mechanical force exports unstable, the problems such as fan efficiency is low.Obviously, the above-mentioned technological deficiency how overcoming the wind-driven generator in conventional art is those skilled in the art's problem demanding prompt solutions.
Model utility content
The purpose of this utility model is to provide a kind of flywheel-type wind-driven generator, to solve the problem.
In order to achieve the above object, the technical solution of the utility model is achieved in that
The utility model provides a kind of flywheel-type wind-driven generator, comprises montant 6 and is arranged on the wind wheel assembly at described montant 6 top, generator 4 and empennage 5;
Described wind wheel assembly specifically comprises main shaft and around multiple blades 3 of this main shaft uniform intervals distribution and annulus 2 and two flywheel counter weight blocks 1;
Wherein, the near-end of multiple described blade 3 is fixedly connected with described main shaft, and the far-end of multiple described blade 3 is fixedly connected with along the ring wall of described annulus 2; Two described flywheel counter weight blocks 1 evenly connect along the ring wall of described annulus 2; Described main shaft is connected with described generator 4 key; Described empennage 5 is fixedly connected on the afterbody of described generator 4.
Preferably, can embodiment as one, two described flywheel counter weight blocks 1 install setting on the gravitational equilibrium line of described annulus 2.
Preferably, can embodiment as one, described flywheel counter weight block 1 is cast-iron structure part or alloy structure part.
Preferably, can embodiment as one, described annulus 2 is alloy annulus.
Preferably, can embodiment as one, the quantity of described blade 3 is one or more pieces.
Preferably, can embodiment as one, described blade 3 is carbon fiber composite engineering material blade.
Preferably, can embodiment as one, removably connect between two described flywheel counter weight blocks 1 and described annulus 2.
Preferably, can embodiment as one, the plate face of described blade 3 is arc surfaced.
Preferably, can embodiment as one, described empennage 5 is the empennage of V-arrangement shape.
Preferably, can embodiment as one, described generator 4 is alternator.
Compared with prior art, the advantage of the utility model embodiment is:
A kind of flywheel-type wind-driven generator that the utility model provides, the main structure analyzing above-mentioned flywheel-type wind-driven generator is known: above-mentioned flywheel-type wind-driven generator its be made up of wind wheel assembly, generator 4 and empennage 5, montant 6; Concrete wind wheel assembly again by main shaft and around this main shaft uniform intervals distribute multiple blades 3 and the structure such as annulus 2 and two flywheel counter weight blocks 1 form;
The flywheel-type wind-driven generator that the utility model embodiment provides, it carries out Curve guide impeller on existing vaned basis, average (balance) line of annulus 2 adds two flywheel counter weight blocks 1 (balanced action), and utilize flywheel effect to the rotation with moving vane, increase the utilization ratio of wind-force, thus raising generated energy, rotating speed is steady.Namely flywheel counter weight block 1 is in same annulus 2 together rotary course, because flywheel counter weight block 1 itself has certain weight, therefore will play certain leading role to the circular movement of annulus 2 in its rotary course; Due to the inertia of flywheel counter weight block 1 and leading role, (namely flywheel counter weight block strengthens centrifugal action, the centrifugal action strengthened can make annulus rotation more tend towards stability), the rotary course of annulus 2 and blade 3 will be caused to stablize, and then have influence on blade 3 stabilization of speed; Reduce the unstability of blade 3 rotating speed and reduce blade vibration amplitude and shaking volume;
In sum, the flywheel-type wind-driven generator that the utility model embodiment provides, the frequency and amplitude rotating speed of blade tends towards stability, and then ensure that the electric power stable output of wind-driven generator, ensure that wind-power electricity generation quality and wind power generation efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is mode of executions more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The main TV structure schematic diagram of the flywheel-type wind-driven generator that Fig. 1 provides for the utility model embodiment;
Perspective view under one visual angle of the flywheel-type wind-driven generator that Fig. 2 provides for the utility model embodiment;
Perspective view under another visual angle of the flywheel-type wind-driven generator that Fig. 3 provides for the utility model embodiment;
The side view of the flywheel-type wind-driven generator that Fig. 4 provides for the utility model embodiment in Fig. 1;
The plan view of the flywheel-type wind-driven generator that Fig. 5 provides for the utility model embodiment in Fig. 1;
Description of reference numerals:
Flywheel counter weight block 1; Annulus 2; Blade 3; Generator 4; Empennage 5; Montant 6.
Embodiment
Be clearly and completely described the technical solution of the utility model below in conjunction with accompanying drawing, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
See Fig. 1, Fig. 2 or Fig. 3, a kind of flywheel-type wind-driven generator that the utility model embodiment provides, comprises montant 6 and is arranged on the wind wheel assembly at described montant 6 top, generator 4 and empennage 5 (see also Fig. 4 and Fig. 5);
Described wind wheel assembly specifically comprises main shaft and around multiple blades 3 of this main shaft uniform intervals distribution and annulus 2 and two flywheel counter weight blocks 1;
Wherein, the near-end of multiple described blade 3 is fixedly connected with described main shaft, and the far-end of multiple described blade 3 is fixedly connected with along the ring wall of described annulus 2; Two described flywheel counter weight blocks 1 evenly connect along the ring wall of described annulus 2; Described main shaft is connected with described generator 4 key; Described empennage 5 is fixedly connected on the afterbody of described generator 4.
It should be noted that, above-mentioned flywheel-type wind-driven generator also may relate to the structures such as speed increaser, transmission shaft, break and automatical control system; Described break is used for braking the outputting power of described generator.Just directly can be braked generator by break like this, and then stop fan operation, control blade rotation power generation operation.Meanwhile, automatical control system comprises the electricity piece such as rectifier, voltage stabilizer, and about the related accessory structure of above-mentioned flywheel wind-mill generator, be the known technology of wind-driven generator, to this utility model, embodiment repeats no longer one by one.
The main structure analyzing the flywheel-type wind-driven generator that model utility embodiment provides is known: above-mentioned flywheel-type wind-driven generator its be made up of wind wheel assembly, generator 4 and empennage 5, montant 6; Concrete wind wheel assembly again by main shaft and around this main shaft uniform intervals distribute multiple blades 3 and the structure such as annulus 2 and two flywheel counter weight blocks 1 form;
The flywheel-type wind-driven generator that the utility model embodiment provides, it carries out Curve guide impeller on existing vaned basis, average (balance) line of annulus 2 adds two flywheel counter weight blocks 1 (balanced action), and utilize flywheel effect to the rotation with moving vane, increase the utilization ratio of wind-force, thus raising generated energy, rotating speed is steady.Namely flywheel counter weight block 1 is in same annulus 2 together rotary course, because flywheel counter weight block 1 itself has certain weight, therefore will play certain leading role to the circular movement of annulus 2 in its rotary course; Due to inertia and the leading role of flywheel counter weight block 1, the rotary course of annulus 2 and blade 3 will be caused to stablize, and then have influence on blade 3 stabilization of speed; Reduce the unstability of blade 3 rotating speed and reduce blade vibration amplitude and shaking volume;
In sum, the flywheel-type wind-driven generator that the utility model embodiment provides, the frequency and amplitude rotating speed of blade tends towards stability, and then ensure that the electric power stable output of wind-driven generator, ensure that wind-power electricity generation quality and wind power generation efficiency.
Experimental verification proves: after the fly wheel generator using the utility model embodiment to provide, amplitude rotating speed can reach about 5, and basic rotating speed is 80 rpms, simultaneously mean speed 75-80 rpm;
It should be noted that, the raw material of annulus 2 are exactly one block of plain cast iron, are processed by numerical control machine tool, can ensure that it rotates and not shake after circular annulus, next step finds balance two points and increases the weight of on this circular cast iron, makes it rotate more strong; It should be noted that, above-mentioned equinoctial point (two points namely on gravitational equilibrium line) can use and be similar to tire dynamic and balance principle and equipment carries out finding and counterweight;
Detailed description is once done to the concrete structure of the flywheel-type wind-driven generator that the utility model embodiment provides below:
In concrete structure, two described flywheel counter weight blocks 1 install setting on the gravitational equilibrium line of described annulus 2.
It should be noted that, above-mentioned flywheel counter weight block 1 can be multiple (such as more than 2 or 2); As long as ensure that flywheel counter weight block 1 is arranged on after on annulus 2, ensures annulus dynamical balancing obviously; So above-mentioned flywheel counter weight block can be more than 2; But the most most preferred technological scheme, annulus 2 process after quality enough evenly and machining accuracy is enough high, two points causing just be through the central horizontal line of annulus 2 on the gravitational equilibrium line of annulus 2 two (namely on annulus 2 ring wall track with two point of intersection of central horizontal line passing annulus 2); The flywheel counter weight block that on above-mentioned two points, corresponding installation two weight same shapes are identical.
Preferably, can embodiment as one, described flywheel counter weight block 1 is cast-iron structure part or alloy structure part.
It should be noted that, above-mentioned flywheel counter weight fast 1 can be multiple material form, preferably then makes flywheel counter weight block cylinder iron or the flywheel counter weight block of alloy.
In concrete structure, the quantity of described blade 3 is one or more pieces.Described blade 3 is carbon fiber composite engineering material blade.
It should be noted that, above-mentioned blade can preferred choice for use carbon fiber composite engineering material blade, it is while the normal bearing capacity of guarantee blade, reduce himself weight, and then reduce the blade resistance of start with mechanical energy loss during transmission, and then improve the fan efficiency of flywheel-type wind-driven generator.
Preferably, can embodiment as one, removably connect between two described flywheel counter weight blocks 1 and described annulus 2.
It should be noted that, above-mentioned flywheel counter weight block 1 most preferably is with the Placement of annulus 2 and removably connects; The i.e. passing of time at any time, the flywheel counter weight block 1 of annulus 2 may be subjected to displacement or damage; The relative position that the flywheel counter weight block of damage can be carried out changing or adjusting flywheel counter weight block when the time comes places under repair adjustment.
It should be noted that, the plate face of described blade is arc surfaced, blade wing, unique design wing, while it can ensure that blade has certain bearing capacity, take into account fan efficiency (the blade effect of going for a drive is more obvious) and aerodynamical resistance, reduced electric motor starting moment.Namely the effect of firm blade cambered surface radian, avoids the generation of blade load metamorphism; Blade flat in general is easily subject to high wind and eats and be out of shape; But blade in the utility model embodiment then can not this thing happens.Simultaneously, blade is carbon fibre material, efficiently avoid blade to be corroded, be subject to the problem affected of being struck by lightning, resin finish layer effectively increases the smooth degree of blade surface simultaneously, reduce Leaf-Air frictional force, and then improve the fan efficiency of flywheel-type wind-driven generator and structure stability and reliability.
It should be noted that, the wind wheel blade of blower fan is the main parts accepting wind energy.The designing requirement of blade have accept wind energy higher aerofoil profile, reasonably established angle, the ratio of lift coefficient to drag coefficient of science, tip speed ratio and vane type line distortion.Due to blade directly windward and obtain wind energy, so require that blade has rational structure, the material of employing advanced person and the technique of science, reliably can bear to make blade various moment of flexure and the pulling force that wind-force, blade deadweight, centrifugal force etc. act on blade, but also require that leaf weight is light, structural strength and fatigue strength high, safe and reliable to operation, be easy to install and maintain easily, manufacture simple, manufacturing cost and use cost is low.In addition, blade surface is smooth, during to reduce blade rotation and the frictional resistance of air.
The general requirement of fan blade: good aerodynamic appearance, can make full use of the wind energy resources of wind energy turbine set, obtains wind energy as much as possible; Reliable structural strength, possesses enough abilities of bearing limit load and fatigue strength; Good air dynamic behaviour, aerodynamic stability, avoid resonance and chatter phenomenon; There is feature corrosion-resistant, anti-lightning strike and easy to maintenance; Optimizing structure design, alleviates leaf weight as far as possible, reduces manufacture cost.
Preferably, can embodiment as one, described empennage 5 is the empennage of V-arrangement shape.
Preferably, can embodiment as one, described generator 4 is alternator.
It should be noted that, 4, above-mentioned generator selects quality good, and reliability is high, strong adaptability and the alternator plant of long perfomance life.
It should be noted that, at the flywheel-type wind-driven generator that the utility model embodiment provides, most crucial is configured to flywheel; This flywheel has comparatively large rotating inertia, because wind wheel blade acting is discontinuous, so wind speed round is also vicissitudinous, when wind speed round increases, flywheel energy increases energy storage or saving to get up, and when wind speed round reduces, flywheel energy reduces, energy is disengaged, and flywheel can be used for reducing wind wheel and fluctuate at operation process medium speed;
Prove through test of many times: be checking wheel action, prepare a 400w wind-driven generator, standard configuration Three-blade, diameter 1.5 meters, use wind speed 35 meters cannot be with merit self-starting, the blade chosen has four kinds, be standard configuration Three-blade triangle respectively, Dutch windmill is that trapezoidal, long strip, fan-shaped, use outer ring one meter in diameter wind wheel, flywheel module (i.e. flywheel counter weight block) quality is monolateral is 1-1.5 times of blade gross mass, and blade quantity is from little 2 to 6, profile differs in size, and obtains wind wheel band merit rotating speed tens and does not forward 105 to not etc.; According to dynamic balancing equipment, rotating speed is mentioned more than 200 and is not a problem;
Experiment two, has done the test of wind speed round moment to five hectograms, two flywheel modules with weight beam, because be manually as the rotation of powered wind wheel, may be forbidden, diameter 50 centimeters of moments three kilograms, one meter five kilograms, one meter five or seven kilograms, obtain following advantage by some tests
Excellent one, make wind-driven generator there is no the fluctuation of speed in rotation process;
Excellent two, by flywheel design formula and rotary inertia formula as a reference, not necessarily to design so major diameter wind wheel, also can obtain same moment;
Excellent three, because this flywheel design has outer shroud as Aided design, outer shroud combines all blades, uses structure stability stronger, so producer is on blade design, to looser on blade shape and materials'use.To sum up, prove through above-mentioned test of many times, in the concrete structure of flywheel-type wind-driven generator, flywheel serves vital central role; Flywheel obviously as above-mentioned point of wheel type wind driven generator key technology and can close key protection point.
Key point and the wish protection point of the flywheel-type wind-driven generator that the utility model embodiment provides are: the application of flywheel technology on wind-driven generator; From whole flywheel-type wind-driven generator, it at least has following technical characterstic: the flywheel-type wind-driven generator that the utility model embodiment provides, and 1, improve wind power utilization rate, wind energy utilization is significantly increased; 2, rotating ratio is comparatively average, electric power stable output; 3, blade by force intensity, such as: for three, original traditional blade is that monolithic is stressed, and the blade of the utility model embodiment is uniform stressed; 4, maintenance is convenient to; 5, advanced design; 6, reliability is high.
In sum, the flywheel-type wind-driven generator that the utility model embodiment provides, overcomes many technological deficiencies of conventional art, has more technical advantage and progress; Therefore.The flywheel-type wind-driven generator that the utility model embodiment provides will bring good market prospects and economic benefit.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristics; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment's technological scheme of the utility model.
Claims (10)
1. a flywheel-type wind-driven generator, is characterized in that, comprises montant (6) and is arranged on the wind wheel assembly at described montant (6) top, generator (4) and empennage (5), wherein;
Described wind wheel assembly specifically comprises main shaft and around multiple blades (3) of this main shaft uniform intervals distribution and annulus (2) and two flywheel counter weight blocks (1);
Wherein, the near-end of multiple described blade (3) is fixedly connected with described main shaft, and the far-end of multiple described blade (3) is fixedly connected with along the ring wall of described annulus (2); Two described flywheel counter weight blocks (1) evenly connect along the ring wall of described annulus (2); Described main shaft is connected with described generator (4) key; Described empennage (5) is fixedly connected on the afterbody of described generator (4).
2. flywheel-type wind-driven generator as claimed in claim 1, is characterized in that,
Two described flywheel counter weight blocks (1) install setting on the gravitational equilibrium line of described annulus (2).
3. flywheel-type wind-driven generator as claimed in claim 2, is characterized in that,
Described flywheel counter weight block (1) is cast-iron structure part or alloy structure part.
4. flywheel-type wind-driven generator as claimed in claim 3, is characterized in that,
Removably connect between two described flywheel counter weight blocks (1) and described annulus (2).
5. flywheel-type wind-driven generator as claimed in claim 1, is characterized in that,
Described annulus (2) is alloy annulus.
6. flywheel-type wind-driven generator as claimed in claim 5, is characterized in that,
The quantity of described blade (3) is one or more pieces.
7. flywheel-type wind-driven generator as claimed in claim 6, is characterized in that,
Described blade (3) is carbon fiber composite engineering material blade.
8. flywheel-type wind-driven generator as claimed in claim 7, is characterized in that,
The plate face of described blade (3) is arc surfaced.
9. flywheel-type wind-driven generator as claimed in claim 1, is characterized in that,
The empennage that described empennage (5) is V-arrangement shape.
10. flywheel-type wind-driven generator as claimed in claim 1, is characterized in that,
Described generator (4) is alternator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520580843.3U CN204827800U (en) | 2015-07-31 | 2015-07-31 | Flywheel -type aerogenerator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520580843.3U CN204827800U (en) | 2015-07-31 | 2015-07-31 | Flywheel -type aerogenerator |
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| CN204827800U true CN204827800U (en) | 2015-12-02 |
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| CN201520580843.3U Active CN204827800U (en) | 2015-07-31 | 2015-07-31 | Flywheel -type aerogenerator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989599A (en) * | 2015-07-31 | 2015-10-21 | 陈强生 | Flywheel type wind driven generator |
| CN106194579A (en) * | 2016-08-31 | 2016-12-07 | 祝培钫 | Rotatory inertia impeller |
| CN111114735A (en) * | 2019-12-26 | 2020-05-08 | 中国科学院光电研究院 | Lightweight flywheel and method for manufacturing same |
-
2015
- 2015-07-31 CN CN201520580843.3U patent/CN204827800U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989599A (en) * | 2015-07-31 | 2015-10-21 | 陈强生 | Flywheel type wind driven generator |
| CN106194579A (en) * | 2016-08-31 | 2016-12-07 | 祝培钫 | Rotatory inertia impeller |
| CN111114735A (en) * | 2019-12-26 | 2020-05-08 | 中国科学院光电研究院 | Lightweight flywheel and method for manufacturing same |
| CN111114735B (en) * | 2019-12-26 | 2022-01-21 | 中国科学院光电研究院 | Lightweight flywheel and method for manufacturing same |
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