CN203892117U - High-low wind speed compatible type wind-driven generator set - Google Patents
High-low wind speed compatible type wind-driven generator set Download PDFInfo
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- CN203892117U CN203892117U CN201420230044.9U CN201420230044U CN203892117U CN 203892117 U CN203892117 U CN 203892117U CN 201420230044 U CN201420230044 U CN 201420230044U CN 203892117 U CN203892117 U CN 203892117U
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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
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- 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
A high-low wind speed compatible type wind-driven generator set comprises a fan blade component, at least one fan blade connected with a rotary shaft, a speed increasing gear, a wind-driven generator and a mounting frame. The fan blade component comprises at least one fan blade. Each fan blade comprises a curved plate, a cover plate and the rotary shaft, wherein a recessed structure is formed in the middle of the curved plate, a resistance part is disposed on one side of the curved plate, a plurality of spraying holes are formed in the side, with the resistance part, of the curved plate, the cover plate is fixedly connected to the edge of the curved plate, the cover plate and the curved plate form a wind inlet, and the rotary shaft is used for mounting the fan blade to a rotation center device. The rotary shaft of the speed increasing gear is connected with the fan blade component. The wind-driven generator is driven by the speed increasing gear to generate power. The mounting frame is used for fixing the speed increasing gear and the wind-driven generator and adjusting the elevation angle of the blade component. The high-low wind speed compatible type wind-driven generator set is applicable to a wide wind speed range, high in wind energy utilization efficiency, simple in structure and long in service life.
Description
Technical field
The utility model relates to wind energy power field, relates in particular to a kind ofly can be simultaneously at low wind speed and high wind speed, to start the height wind speed compatible type wind-powered electricity generation unit of generating.
Background technique
Natural a lot of energy is all limited, and major part is also non-renewable resource.Along with the mankind constantly develop natural resources, population in the world quantity constantly increases, increasing to the consumption of the energy.In recent years, global warming, Melting Glaciers:, environment goes from bad to worse.The whole world, to energy-saving and emission-reduction, reduces carbon emission, and the strategic requirement of sustainable development is more and more urgent, taps a new source of energy, and protection is ecological very urgent.Particularly, in many developing countries, because science and technology is relatively backward, expanding economy mainly relies on and consumes abundant natural resources, thereby has caused the heavy damage of ecotope.
Development new energy are the task of top priority that solve current environmental problem, and new energy refer to the various energy forms outside traditional energy.Current technology comparative maturity, has started the extensive new energy that utilize and is these four kinds of wind energies, solar energy, biogas, fuel cell.Generation of electricity by new energy can become the main flow of generating in the future at present under energy scarcity.
Wherein, the utilization of wind energy more and more comes into one's own, and particularly in the Northwest, wind energy resources is abundant, but other resources are also relatively deficient, Devoting Major Efforts To Developing wind energy, the preferred means of can yet be regarded as and dealing with problems.But conventional Wind Power Utilization means are wind energy power at present, but the wind-powered electricity generation unit of wind energy power can only could normally start generating within the specific limits at wind speed.We know, natural wind speed and direction is all not fix, wind speed climate, and the impact of regional feature is very large, existing horizontal axis wind-driven generator can only be suitable for the wind speed generating of 5～12 meter per seconds, and the wind speed resource outside above-mentioned scope just can only slattern in vain.At present, the following problem of wind energy power unit ubiquity:
1, existing wind-driven generator, the in the situation that of low wind speed, is difficult to start generating, has wasted a large amount of low wind speed energy, has also limited its application area.
2, existing wind-driven generator is after natural wind speed surpasses certain limit, cause the huge load to fan blade, fan blade is subject to the restriction of the intensity of material structure, when wind speed is too high, fan blade is impaired, so not only caused the waste of high wind speed resource, the life-span of wind energy generating plant reduces simultaneously, and maintenance cost is higher.
The mode that solves at present this class problem has two kinds, and a kind of is to adopt electrical short brake; Another kind is to adopt friction plate braking device.But described two kinds of modes are defectiveness all, front a kind of electrical short brake, because moment produces very high inrush current, easily damages power generating equipment; Rear a kind of friction plate brake modes, is used and weares and teares because friction plate is long-term, in unwitting situation, runs into strong wind, and fan blade is easy to the destruction that fractureed.If often adopt more renewal of facing renewal, manpower maintenance cost is higher, low in economic efficiency.
3, current common wind energy generating plant, when natural high wind speed, normal employing braked, or directly stops generating, so also wasted the huge energy.
At present, in order to solve the problems of the technologies described above, people have done a lot of trials.Solve the device combination generating that the wind-driven generator normal employing of technical problem of compatible height wind speed simultaneously can be worked respectively under high wind speed and low wind speed, Chinese patent for example, application number is: 201210593121.2, disclose a kind of wind power generating set of height wind speed compatibility, the wind power generating set of this height wind speed compatibility is comprised of high-speed wind power generator set, low wind speed multi-blade type wind wheel and transmission shaft tooth.Wherein, in the wind power generating set of a height wind speed compatibility, high speed wind wheel and low wind speed multi-blade type wind wheel are installed simultaneously, make unit there are high wind speed generating and two kinds of functions of low wind speed generating simultaneously.Low wind speed multi-blade type wind wheel is installed in the appropriate location of high-speed wind mill main shaft, and during low wind speed, low wind speed multi-blade type wind wheel rotating force is high-speed wind power generator set speedup, makes high-speed wind power generator keep running well.But this wind energy power unit has just improved the accommodation of wind-driven generator in certain scope, under high speed naturally landscape condition, wind-driven generator or easily damage, when low wind speed, be difficult to start generating.
Model utility content
The technical problems to be solved in the utility model is to overcome the deficiency that above-mentioned prior art exists, and a kind of height wind speed compatible type wind-powered electricity generation unit is proposed, this height wind speed compatible type wind-powered electricity generation unit improves by the structure to fan blade, realizes the efficient utilization to the wind energy energy of low wind speed and high wind speed.
For solving the problems of the technologies described above, the utility model adopts following technological scheme:
A height wind speed compatible type wind-powered electricity generation unit, it comprises:
One fan blade assembly, described fan blade assembly comprises at least one fan blade, described fan blade comprises, one curved plate, described curved plate middle part forms a sunk structure, and described curved plate one side is provided with a resistance part, is provided with a plurality of spurt holes with the curved plate of described resistance part homonymy; One cover plate, described cover plate is fixedly connected on the edge of described curved plate, and described cover plate and described curved plate form a wind inlet; And one for being installed on fan blade the link on rotating center device;
One speed increaser, the running shaft of described speed increaser is connected with described fan blade assembly;
One wind-driven generator, described wind-driven generator is subject to described speed increaser to drive generating;
One scaffold for fixing described speed increaser and wind-driven generator.
Wherein, the fan blade number that described fan blade assembly comprises is 2 to 6.
Wherein, described scaffold comprises: a mounting platform, and described mounting platform is provided with and can supplies described fast device and the fixing installation position of wind-driven generator; A junction, described joint is fixed on the base plate of described mounting platform; One dowel pile, rotatable with the described joint of described dowel pile is connected.
Wherein, described scaffold has a mechanism for regulating elevation angle, and described elevation angle regulation range is 15 degree 88 degree.
Wherein, the fan blade angle of described each sheet fan blade of fan blade assembly is 15 degree to 60 degree.
Wherein, the speedup multiple of described speed increaser is 2 to 16.
Wherein, described fan blade also comprises axostylus axostyle in, and described middle axostylus axostyle is fixed on described cover plate; And a supporting element, described middle axostylus axostyle is fixed in described supporting element one end, and the other end is fixed on described curved plate.
Preferably, described resistance part is an arc shaped surface.
Preferably, described middle axostylus axostyle is the body of rod or the body of a cone shape.
Wherein, described curved plate and described cover plate are all to adopt glass fibre and epoxy resin to hand over successively the platy structure being laminated.
Compared with prior art, the utlity model has following beneficial effect, this height wind speed compatible type wind-powered electricity generation unit can start fast generating when low wind speed, when high wind speed, can automatically realize balance and control, wind energy utilization is high, simple in structure, life-span is long, applied widely, can spread.
Accompanying drawing explanation
Fig. 1 is the side view of the utility model height wind speed compatible type wind-powered electricity generation unit;
Fig. 2 is the phase diagram of the utility model height wind speed compatible type wind-powered electricity generation unit;
Fig. 3 is the fan blade stereogram of the utility model height wind speed compatible type wind-powered electricity generation unit;
Fig. 4 is the fan blade front view of the utility model height wind speed compatible type wind-powered electricity generation unit;
Fig. 5 is the fan blade side view of the utility model height wind speed compatible type wind-powered electricity generation unit;
Fig. 6 is the fan blade worm's eye view of the utility model height wind speed compatible type wind-powered electricity generation unit;
Fig. 7 is the fan blade middle part transverse sectional view of the utility model height wind speed compatible type wind-powered electricity generation unit;
Fig. 8 is the fan blade angle schematic diagram of the fan blade of the utility model height wind speed compatible type wind-powered electricity generation unit.
Wherein the description of symbols in figure is as follows:
1 fan blade assembly, 11 fan blades, 110 curved plates, 111 curved surface shape plate bodys, 112 resistance parts, 12 cover plates, 121 wind inlets, axostylus axostyle in 13,14 supporting elements, 15 links, 151 connecting rods, 152 mounting plates, 1521 mounting holes, 16 spurt holes, 17 planes; 2 speed increasers, 21 running shafts, 22 assembly departments; 3 wind-driven generators; 4 scaffolds, 41 mounting platforms, 42 supporting portions, 43 joints, 44 dowel piles.
Embodiment
The exemplary embodiment that embodies the utility model feature & benefits will describe in detail in the following description.Be understood that the utility model can have various variations on different mode of executions, it neither departs from scope of the present utility model, and explanation wherein and to be shown in be when the use that explain in essence, but not in order to limit the utility model.
Consult accompanying drawing 1 and accompanying drawing 2, this height wind speed compatible type wind-powered electricity generation unit comprises: a fan blade assembly 1, and this fan blade assembly comprises at least one fan blade; One speed increaser 2, the running shaft of this speed increaser 2 is connected with fan blade assembly 1; One wind-driven generator 3, the running shaft of this wind-driven generator 3 is connected with speed increaser 2; One scaffold 4, is fixed with speed increaser 2 and wind-driven generator 3 on this scaffold 4.
Consult accompanying drawing 1 to accompanying drawing 7, fan blade assembly 1 comprises at least one fan blade 11, and preferred, the fan blade number of fan blade assembly 1 is two to five.
Consult accompanying drawing 3 to accompanying drawing 5, this fan blade 11 comprises: a curved plate 110, and these curved plate 110 middle parts form a sunk structure; One cover plate 12, this cover plate 12 hides the sinking space of curved plate 110 along the edge section of curved plate 110; In one, axostylus axostyle 13, and in this, axostylus axostyle 13 is fixedly connected on cover plate 12; Many supporting elements 14, one end of this supporting element 14 is fixedly connected on middle axostylus axostyle 13, and the other end is fixedly connected on curved plate 110; A connection piece 15, this link 15 is connected in the end of middle axostylus axostyle 13; A plurality of spurt holes 16, this spurt hole 16 is located at cover plate 12 and is hidden on the below curved plate 110 of part.
Consult accompanying drawing 3 and accompanying drawing 5, this curved plate 110 comprises a curved surface shape plate body 111 and a resistance part 112, curved surface shape plate body 111 its longitudinal extreme lengths are wanted (to it is to be noted greatly compared with its horizontal extreme length, here said vertical and horizontal are for longitudinal according to long limit in the A4 at accompanying drawing place, broadside is horizontal), and curved surface shape plate body 11 is along its vertical center line symmetrical (said left and right is comparatively speaking, to be not restrictive position relationship according to left and right in accompanying drawing here).The side, the right of this curved plate 110 is located in its resistance part 112, and this resistance part 112 is an arc shaped surface, be provided with spurt hole 16, or spurt hole 16 is arranged on resistance part 112 near this resistance part 112.In this embodiment, this curved plate 111 is sail shape.
Wherein, a kind of anti-solarization of curved surface shape plate body 111 employing, the material that anti-aging, toughness is stronger are made, and in the present embodiment, this curved surface shape plate body 111 adopts laminated glass fibers and epoxy resin cross layered forming successively, preferably, this curved surface shape panel 111 adopts carbon fiber to make.
Consult accompanying drawing 3 and accompanying drawing 5, the shape of the curved edge of this cover plate 12 is identical with the edge of curved plate 110, the curved side of cover plate 12 is along being fixedly connected with the edge seal of curved plate 110, and cover plate 12 comprises a linear edge, longitudinal center's line parallel of this linear edge and curved plate 110.Wherein, this cover plate 12 encloses a cavity jointly with curved plate 110, and the cavity of these cover plate 12 partial occlusion curved plates 110, forms a wind inlet 121 between cover plate 12 and curved plate 110, and this wind inlet 121 can enter this fan blade and promote fan blade rotation for natural wind.
Wherein, a kind of anti-solarization of cover plate 12 employing, the material that anti-aging, toughness is stronger are made, and in the present embodiment, this cover plate 12 adopts laminated glass fibers and epoxy resin cross layered forming successively, preferred, and this cover plate 12 adopts carbon fibers to make.
Consult accompanying drawing 1, middle axostylus axostyle 13 is a high strength, the body of rod that high tenacity material is made or body, it becomes large gradually from upper end to lower end radius, it is up-small and down-big cone shape, in this, axostylus axostyle 13 is fixed on cover plate 12, its objective is in order to increase the structural strength of this fan blade, can bear larger thrust and not impaired.Wherein, middle axostylus axostyle 13 is arranged to up-small and down-big cone shape, is in order to alleviate this fan blade when the High Rotation Speed, and the required centrifugal force bearing of rotating center can increase the tension strength of axostylus axostyle 13 in this simultaneously.
Consult accompanying drawing 3, middle axostylus axostyle 13 is fixed in one end of supporting element 14, and one end is fixed on curved surface shape plate body 111 in addition, and described supporting element 14 is an equally distributed strut, also can be that fixing dunnage is installed at interval, supporting element 14 be uniformly arranged and fixed and be connected on middle axostylus axostyle 13.The setting of these supporting elements 14, is in order to improve the structural strength of fan blade, improves its rated wind velocity, improves drag area when low wind speed.
Consult accompanying drawing 3, accompanying drawing 5 and accompanying drawing 6, link 15 comprises a connecting rod 151 and a mounting plate 152, and connecting rod 151 is fixedly connected on the end of middle axostylus axostyle 13, and one end is fixedly connected with mounting plate 152 in addition.Wherein on mounting plate 152, be arranged with a plurality of mounting holes 1521.Link 15 is for being installed to curved plate 110 in the rotating center device of a wind-powered electricity generation unit.
Consult accompanying drawing 5, spurt hole 16 is for to be arranged on a plurality of through holes on resistance part 112, and this spurt hole 16 is ellipse or manhole.In the present embodiment, 16 two of spurt holes are one group, and are evenly provided with three groups on resistance part 112.
Consult accompanying drawing 1 and accompanying drawing 2, be connected with an assembly department 22 on the running shaft 21 of speed increaser 2, this assembly department 22 is provided with a plurality of fitting seats that are fixedly connected with for fan blade mounting plate 152 (also not shown in accompanying drawing).Fan blade assembly 1 is comprised of at least one fan blade assembly 11, and fan blade 11 starts rotation under the effect of wind-force, and now fan blade assembly 1 is connected with speed increaser 2, will drive speed increaser 2 to rotate.Through after speed increaser 2 speedups, by its pto＝power take-off by transmission of power to wind-driven generator 3.Wherein, in this embodiment, speed increaser 2 can carry out instant wind speed the raising of 2 to 16 times, after speedup by transmission of power to wind-driven generator 3.
Consult accompanying drawing 1 and accompanying drawing 2, scaffold 4 comprises: a mounting platform 41, and this mounting platform 41 is provided with the installation position of wind-driven generator 3 and speed increaser 2; One supporting portion 42, this supporting portion 42 can hold up a side rotating shaft of wind-driven generator 3, makes its rotatable connection; A junction 43, joint 43 is fixed on the base plate of mounting platform 41, and the rotatable dowel pile 44 that is connected in of joint 43.Dowel pile 44 can be fixed on scaffold 4 ground or other wind energy power positions.By the relative angle between rotary connector 43 and dowel pile 44, thereby adjust the fan blade face of fan blade assembly 1 and the angle between horizontal plane, this angle is referred to as the elevation angle, and, the plane at all fan blades place of fan blade assembly has a certain degree with horizontal plane shape after adjusting, to be adjusted to proper angle, can be fixed.
Consult accompanying drawing 2, in way, dashed line view represents that this height wind speed compatible type wind-powered electricity generation unit is through the relative position after adjusting, L1 is horizontal plane horizontal line, L2 is speed increaser 2 and wind-driven generator 3 shaft axis of coupling shaft each other, minimum angles between L1 and L2 is b, and the concrete numerical value of minimum angles b is 5 degree; Maximum angle is the rotation status shown in L3, and now maximum angle of rotation is the angle c between L1 and L3, and this angle c is 88 degree.
Consult accompanying drawing 8, the number of fan blade 11 of fan blade assembly 1 of usining in the present embodiment describes as a kind of mode wherein as 4.Using the minimum point of sunk structure of curved plate 110 now as basic point, the minimum basic point of the sunk structure of four fan blades is determined a plane 17 jointly, conventionally under state, these four fan blades 11 are in the same plane, and cover plate 12 and four fan blades 11 jointly the angle a between definite plane 17 are 0 degree.But in order better to utilize the wind-force of low wind speed, the plane 17 of every fan blade 11 and four minimum cardinal point determinations of fan blade is the angle a of a bit, and angle a described here can be referred to as fan blade angle, and the scope at this fan blade angle is 0 degree to 60 degree.
In other embodiments, curved plate 110 is a peach-shaped or the leaf panel of bajiao banana, can be also half cylindrical panel, can be also semi-conical panel.Preferably, this curved plate 110 is the sail shape plate of the curved edge that a upper width will be little compared with lower width.
The height wind speed compatible type wind-powered electricity generation unit of the fan blade assembly that the four above-mentioned fan blade assemblies of take become is example, illustrate its working principle: in concrete applied environment, according to geographical environment and the suitable fan blade assembly elevation angle and the fan blade angle of weather condition selecting at that time.Now when natural wind front blows to fan blade assembly, the suffered wind-force of fan blade in upper left, lower-left and top-right region is a kind of thrust that fan blade assembly rotates that promotes, because every fan blade has the cavity of self, and be provided with resistance part and spurt hole in a side of fan blade.When lower wind speed, be generally 0.8m/s once, a small amount of wind-force is completely absorbed and is converted into rotating power by the fan blade with chamber, when wind speed higher, be generally while surpassing 12m/s, now wind-force is larger, it is limited that but wind-force is born in the front of fan blade, each of now rotating at fan blade assembly constantly, the fan blade being in region, the lower right corner all can be subject to a reverse resistance effect, its drag effect face is the resistance part on fan blade curved plate, and, the spurt hole that resistance part arranges can carry out the shunting of wind-force simultaneously, practice by experiment, when the suitable elevation angle and suitable fan blade angle, when wind speed is too high, fan blade is due to the effect of self structure, automatically realize wind-force thrust and resistance equilibrium of forces, make it remain on certain rotating speed state, now, fan blade assembly can't increase by rotating speed because of the increase of natural wind, can eliminate on the one hand that general wind-powered electricity generation unit need to brake or the requirement of short circuit, improved the ability to bear of fan blade to wind-force simultaneously, improved the life-span of fan blade, and can be when high wind speed, guarantee that wind-powered electricity generation unit generates electricity at full capacity, efficiently utilize wind energy resources.
It should be noted that; these are only better possible embodiments of the present utility model; and unrestricted protection domain of the present utility model, the equivalent structure that all utilization the utility model specifications and accompanying drawing content have been done changes, and is all included in protection domain of the present utility model.
Claims (10)
1. a height wind speed compatible type wind-powered electricity generation unit, is characterized in that, comprising:
One fan blade assembly, described fan blade assembly comprises a running shaft, and at least one fan blade connecting with running shaft; Described fan blade comprises, a curved plate, and described curved plate middle part forms a sunk structure, and described curved plate one side is provided with a resistance part, is provided with a plurality of spurt holes with the curved plate of described resistance part homonymy; One cover plate, described cover plate is fixedly connected on the edge of described curved plate, and described cover plate and described curved plate form a wind inlet; And one for installing the link of fan blade;
One speed increaser, the running shaft of described speed increaser is connected with described fan blade assembly;
One wind-driven generator, described wind-driven generator is subject to described speed increaser to drive generating;
One scaffold for fixing described speed increaser and wind-driven generator.
2. height wind speed compatible type wind-powered electricity generation unit as claimed in claim 1, is characterized in that, the fan blade number that described fan blade assembly comprises is 2 to 6.
3. height wind speed compatible type wind-powered electricity generation unit as claimed in claim 1, is characterized in that, described scaffold comprises: a mounting platform, and described mounting platform is provided with and can supplies described speed increaser and the fixing installation position of wind-driven generator; A junction, described joint is fixed on the base plate of described mounting platform; One dowel pile, rotatable with the described joint of described dowel pile is connected.
4. height wind speed compatible type wind-powered electricity generation unit as claimed in claim 3, is characterized in that, described scaffold has a mechanism for regulating elevation angle, and described elevation angle regulation range is 15 degree to 88 degree.
5. height wind speed compatible type wind-powered electricity generation unit as claimed in claim 1, is characterized in that, the fan blade angle of described each sheet fan blade of fan blade assembly is 15 degree to 60 degree.
6. height wind speed compatible type wind-powered electricity generation unit as claimed in claim 1, is characterized in that, the speedup multiple of described speed increaser is 2 to 16.
7. height wind speed compatible type wind-powered electricity generation unit as claimed in claim 1, is characterized in that, described fan blade also comprises axostylus axostyle in, and described middle axostylus axostyle is fixed on described cover plate; And a supporting element, described middle axostylus axostyle is fixed in described supporting element one end, and the other end is fixed on described curved plate.
8. height wind speed compatible type wind-powered electricity generation unit as claimed in claim 1, is characterized in that, described resistance part is an arc shaped surface.
9. height wind speed compatible type wind-powered electricity generation unit as claimed in claim 7, is characterized in that, described middle axostylus axostyle is the body of rod or the body of a cone shape.
10. height wind speed compatible type wind-powered electricity generation unit as claimed in claim 1, is characterized in that, described curved plate and described cover plate are all to adopt glass fibre and the epoxy resin alternately laminated platy structure forming successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420230044.9U CN203892117U (en) | 2014-05-06 | 2014-05-06 | High-low wind speed compatible type wind-driven generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420230044.9U CN203892117U (en) | 2014-05-06 | 2014-05-06 | High-low wind speed compatible type wind-driven generator set |
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| CN203892117U true CN203892117U (en) | 2014-10-22 |
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| CN201420230044.9U Expired - Lifetime CN203892117U (en) | 2014-05-06 | 2014-05-06 | High-low wind speed compatible type wind-driven generator set |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939291A (en) * | 2014-05-06 | 2014-07-23 | 耿志伟 | High-low wind speed compatible-type wind turbine generator |
| CN106446680A (en) * | 2015-08-06 | 2017-02-22 | 江苏金源锻造股份有限公司 | Multi-antivirus engine device for low-wind-velocity wind turbine equipment control system |
-
2014
- 2014-05-06 CN CN201420230044.9U patent/CN203892117U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939291A (en) * | 2014-05-06 | 2014-07-23 | 耿志伟 | High-low wind speed compatible-type wind turbine generator |
| CN103939291B (en) * | 2014-05-06 | 2017-03-15 | 深圳邦忠风力发电科技股份有限公司 | Height wind speed compatible type Wind turbines |
| CN106446680A (en) * | 2015-08-06 | 2017-02-22 | 江苏金源锻造股份有限公司 | Multi-antivirus engine device for low-wind-velocity wind turbine equipment control system |
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