CN103334872A - Wind turbine blade and wind turbine - Google Patents
Wind turbine blade and wind turbine Download PDFInfo
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- CN103334872A CN103334872A CN2013102275786A CN201310227578A CN103334872A CN 103334872 A CN103334872 A CN 103334872A CN 2013102275786 A CN2013102275786 A CN 2013102275786A CN 201310227578 A CN201310227578 A CN 201310227578A CN 103334872 A CN103334872 A CN 103334872A
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- blade body
- trailing edge
- pneumatic equipment
- fin
- blades made
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- 238000006243 chemical reaction Methods 0.000 claims description 27
- 244000145845 chattering Species 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 241001672694 Citrus reticulata Species 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/0608—Rotors characterised by their aerodynamic shape
- F03D1/0633—Rotors characterised by their aerodynamic shape of the blades
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/20—Rotors
- F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05B2240/305—Flaps, slats or spoilers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/96—Preventing, counteracting or reducing vibration or noise
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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
Abstract
The application of the invention provides a wind turbine blade and a wind turbine. The wind turbine blade includes a blade body and at least one flap flexibly mounted at the trailing edge of the blade body, wherein the flap is provided with two panels and an elastic component; the two panels are oppositely fixed on the two sides of the elastic component and rotate by taking the elastic component as a shaft, so as to form a meshed clamping structure at one end of the elastic component and forms a folding dovetail structure at the other end of the elastic component. The flap is meshed with the trailing edge of the blade body through the clamping structure, the clamping structure is fastened with the trailing edge of the blade body through the thrust applied on the inner side of the dovetail structure, of the elastic component, so that the aerodynamic characteristics of the blade body can be improved and further chattering of the blade body is reduced.
Description
Technical field
The application relates to energy technology field, relates in particular to a kind of pneumatic equipment blades made and wind energy conversion system.
Background technique
Wind energy is as a kind of renewable energy sources of cleaning, in the past ten years owing to the energy, environment, Climatic issues have obtained development rapidly.Obviously, the spatter property of wind energy, recyclability and large-scale application technology thereof increasingly mature becomes in the new energy field except nuclear energy wind-power electricity generation day by day, and technology is the most ripe, tool exploitation condition and the most promising generation mode.
At present, wind power generating set is made of control and the monitoring of rotor, wheel hub, blade, gear-box and power transmission system, generator, Power Conditioning Unit, software.Rotating Blades of Wind Turbine very easily is parallel to the influence of the vibration of chord length direction along the vibration of side.Idle or the rotation blade brake when wind energy conversion system, the XOR wind energy conversion system very easily goes wrong when unloaded.
The initial interference that causes along the side direction vibration when wind energy conversion system is unloaded is one of reason of vortex shedding.If Rotating Blades of Wind Turbine is true to the incoming flow poor direction, make blunt fluid over against coming flow path direction, may cause fluid from blade both sides generating period vortex shedding.The periodicity of blade surface whirlpool comes off and can cause fluctuation pressure, causes blade side then and vibrates.Pneumatic equipment blades made is elongated flexible member, if the frequency of vortex shedding near the blade natural frequency, will cause blade flutter, reduces the wind energy conversion system life-span.
Summary of the invention
The application's main purpose is to provide a kind of pneumatic equipment blades made and wind energy conversion system, to solve the problem that prior art exists.
The application provides a kind of pneumatic equipment blades made, comprise: blade body and at least one wing flap that is movably arranged on described blade body trailing edge, wherein, described wing flap has two fins and elasticity part, described two fin relative fixed serve as that axle reverses in the both sides of described elasticity part and with described elasticity part, thereby form the clamping framework of interlock at an end of described elasticity part, constitute the dovetail structure of folding at the other end of described elasticity part; The trailing edge engagement of described wing flap by described clamping structure and described blade body, thus and make the fastening aerodynamic characteristic of described blade body of improving of trailing edge of described clamping structure and blade body to reduce the flutter of described blade body by the thrust that described elasticity part acts on described dovetail structure inboard.
Further, described dovetail structure by near the position of described elasticity part to the position away from described elasticity part, the folding angle of described two fins enlarges gradually and is horn-like, thereby making to draw close relatively to form with the outer surface at two fins near two fins of the position of described elasticity part is convenient to stressed plane and is convenient to pull the described clamping structure of interlock is opened, thereby makes aerofoil profile curve away from the relative abduction fine setting of described two fins in the position of described elasticity part pneumatic equipment blades made.
Further, on the fin that forms described clamping structure part, the internal surface that meshes with described blade body also has adhering layer, and described clamping structure is bonding by described adhering layer and described blade body.
Further, thus the fin that forms described clamping structure part has preset thickness makes the outer surface of the fin that forms described clamping structure part have the cambered surface protruding structure.
Further, the tail end that constitutes the fin of described dovetail structure division has saw tooth structure or wave structure.
Further, at described dovetail structure division, away from two formed angles of fin of the relative abduction in position of described elasticity part unspecified angle that is 20 degree to 90 degree, be arranged on the size of fin of windward side one side simultaneously relatively in two fins of abduction greater than the size of the fin that is arranged on lee face one side.
Further, at described dovetail structure division, away from the unspecified angle that described two the formed angles of the relative abduction of fin in the position of described elasticity part are 30 degree to 170 degree, simultaneously relatively two fins of abduction is measure-alike.
Further, when the wing flap that is movably arranged on described blade body trailing edge comprises two when above, to being spaced, the arrangement pitch of described wing flap arranges according to the chord length of described blade body the wing flap that is movably arranged on described blade body trailing edge along the exhibition of described blade body.
Further, when the wing flap that is movably arranged on described blade body trailing edge was three, described three wing flaps were installed in the trailing edge that is close to the blade tip position, the trailing edge of close blade root position and the trailing edge that is positioned at the intermediate portion of blade body respectively.
The application also provides a kind of wind energy conversion system, comprises aforesaid pneumatic equipment blades made.
The application compared with prior art has following remarkable result:
1) by the installation wing flap that keeps at a certain distance away of the blade at wind energy conversion system, and by clamping framework and blade body engagement, the aerofoil profile curve of pneumatic equipment blades made is changed, improved the aerodynamic characteristic of described blade body effectively to reduce the flutter of described blade body.
2) because the area at the engagement position of the clamping structure of wing flap and blade body is less, and the dovetail structure stress of wing flap is bigger, therefore it is stable to use clamping structure can not guarantee that wing flap is connected with blade body separately, and cooperates clamping structure to make described blade body more firm with being connected of wing flap by adhering layer.
3) stressed thereby the cambered surface protruding structure of the outer surface by clamping structure part fin forms the windward side, when holding function is provided, can cooperate the dovetail structure improve the aerodynamic characteristic of described blade body to reduce the flutter of described blade body in the side.
4) tail end of the fin of dovetail structure division has saw tooth structure or wave structure, and this structure can effectively reduce the noise that wing flap produces when stressed.
Therefore 5) for a wing flap, constitute the dovetail structure division fin between angle fix.Can under application wind energy conversion system different conditions, carry out the replacing of corresponding shape or size wing flap to reach the use state of wind energy conversion system the best, perhaps, after the prediction according to the wind conditions of diverse geographic location, install or change the wing flap of the corresponding shape, size or the angle that are fit to local wind condition.
6) the difference setting of the angle of the dovetail structure division of wing flap can make wing flap not need in the running to take off, the wing flap of the interim installation that need take off in the time of also can being formed on operation.
Description of drawings
Accompanying drawing described herein is used to provide the further understanding to the application, constitutes the application's a part, and the application's illustrative examples and explanation thereof are used for explaining the application, do not constitute the improper restriction to the application.In the accompanying drawings:
Fig. 1 is the structural representation of the wind energy conversion system of prior art;
Fig. 2 is a kind of pneumatic equipment blades made schematic representation that the application provides;
Fig. 3 is the C-C schematic cross-section of the pneumatic equipment blades made of Fig. 2;
Fig. 4 a and 4b are the structure for amplifying rough schematic views of two kinds of wing flaps among Fig. 2 and Fig. 3;
Fig. 5 is the another kind of pneumatic equipment blades made schematic representation that the application provides;
Fig. 6 is the vortex shedding schematic representation that the application's pneumatic equipment blades made is not installed;
Fig. 7 is the vortex shedding schematic representation that the application's pneumatic equipment blades made is installed.
Embodiment
For the purpose, technological scheme and the advantage that make the application is clearer, below in conjunction with drawings and the specific embodiments, the application is described in further detail.
As shown in Figure 1, wind energy conversion system is made of pylon 11, cabin 12, impeller in the prior art, and impeller also comprises blade 10 and wheel hub 13, and wherein blade 10 mainly is made up of leading edge 14, trailing edge 15 and blade tip 16.Utilize wind-force to drive the rotation of windmill impeller, see through booster engine again with the speed lifting of rotation, impel generator for electricity generation.When wind energy conversion system seizes up the position impeller when not rotating, for accurate incoming flow wind speed, can flow to trailing edge through after the leading edge of each blade along blade surface earlier, yaw angle is determined thus.At this moment, the wind that becomes a mandarin acts on the vane aerodynamic side, produces minimum power at blade.When wind energy conversion system need generate electricity, vane propeller-changing along with the increase of the angle of attack, produced enough lift and makes the impeller rotation on the blade, carry out the work of wind-power electricity generation thus.But Rotating Blades of Wind Turbine very easily is parallel to the influence of the vibration of chord length direction along the vibration of side.
When wind energy conversion system during idle or rotation blade brake, or wind energy conversion system very easily goes wrong when unloaded.For example, Rotating Blades of Wind Turbine is true to the incoming flow poor direction, makes blunt fluid over against coming flow path direction, may cause fluid from blade both sides generating period vortex shedding (vortex shedding as shown in Figure 3).The periodicity of blade surface whirlpool comes off and can cause fluctuation pressure, causes blade side then and vibrates.Pneumatic equipment blades made is elongated flexible member, if the frequency of vortex shedding near the blade natural frequency, will cause blade flutter, reduces the wind energy conversion system life-span.
Embodiment one:
As shown in Figure 2, be a kind of pneumatic equipment blades made schematic representation that the application provides; As shown in Figure 3, be the C-C schematic cross-section of the pneumatic equipment blades made of Fig. 2; As shown in Figs. 4a and 4b, be the structure for amplifying rough schematic view of two kinds of wing flaps among Fig. 2 and Fig. 3; As shown in Figure 5, be the another kind of pneumatic equipment blades made schematic representation that the application provides.
One of core of the application, be by to wing flap is installed in the pneumatic equipment blades made, effectively avoided when wind energy conversion system is unloaded that blade is not over against the incoming flow wind direction, may cause that driftage structural failure, pitch-controlled system lost efficacy, and need regulate driftage and make incoming flow wind over against blade before the wind direction flip-flop.Becoming the oar rear blade provides a blunt structure to aim at the wind that becomes a mandarin, and may cause the vortex shedding shown in Fig. 3 right side.At this moment, three wing flaps of described installation can improve blade surface shape and aerodynamic performance, specify as follows:
The described pneumatic equipment blades made of the application comprises: blade body 21, at least one wing flap 22.Blade body 21 has leading edge 21b and trailing edge 21a, and at least one wing flap 22 is movably arranged on described blade body trailing edge 21a.When the wing flap that is movably arranged on described blade body trailing edge comprises two when above, to being spaced, the arrangement pitch of described wing flap 22 arranges according to the chord length of described blade body 21 wing flap 22 that is movably arranged on described blade body trailing edge 21a along the exhibition of described blade body 21.Preferably, the application equidistantly arranges three wing flaps that partly arrange at blade trailing edge 21a, as shown in Figure 5, three wing flaps are installed in the trailing edge that is close to the blade tip position, the trailing edge of close blade root position and the trailing edge that is positioned at the intermediate portion of blade body respectively.But the application is not limited to wing flap is equidistantly arranged, and described wing flap also is not limited to arrange three.
Described wing flap 22 has two fins, and described airfoil is flat structure or the plane structure with windward side and lee face.Described two fin relative fixed serve as that axle reverses in the both sides of an elasticity part 22b and with described elasticity part 22b, thereby form the clamping framework 22c of interlock at the end of described elasticity part 22b, constitute the dovetail structure 22a of folding at the other end of described elasticity part 22b.
Described wing flap 22 is by the trailing edge 21a engagement of described clamping structure 22c and described blade body, and by the thrust that described elasticity part 22b acts on described dovetail structure 22a inboard thereby the fastening aerofoil profile curve of pneumatic equipment blades made that makes of trailing edge 21a of described clamping structure 22c and blade body is finely tuned, with the aerodynamic characteristic of improving described blade body to reduce the flutter of described blade body.
Described dovetail structure 22a by near the position of described elasticity part 22b to the position away from described elasticity part 22b, the folding angle of described two fins enlarges gradually and is horn-like, be convenient to stressed face and conveniently pull the clamping structure 22c that makes interlock and open thereby such structure makes to draw close relatively to form at the outer surface of two fins near described two fins in position of described elasticity part 22a, thereby play the effect of the aerofoil profile curve of fine setting pneumatic equipment blades made away from described two the relative abductions of fin in the position of described elasticity part 22a.
As shown in Figs. 4a and 4b, on the fin that forms described clamping structure 22c part, the internal surface up and down that meshes with described blade body also has adhering layer 22d, and described clamping structure 22c is bonding by the trailing edge 21a of described adhering layer 22d and described blade body.Because the area at the engagement position of the clamping structure of wing flap and blade body is less, and the dovetail structure stress of wing flap is bigger, therefore it is stable to use clamping structure can not guarantee that wing flap is connected with blade body separately, and cooperates clamping structure to make described blade body more firm with being connected of wing flap by adhering layer.
Thereby the fin that forms described clamping structure 22c part has preset thickness makes the outer surface of the fin that forms described clamping structure 22c part have the cambered surface protruding structure.Thereby it is stressed to make that by this structure described cambered surface projection also can form the windward side, when holding function is provided, can cooperate the dovetail structure to improve the aerodynamic characteristic of described blade body to reduce the flutter of described blade body in the side.
The tail end that constitutes the fin of described dovetail structure 22a part has saw tooth structure or wave structure (as the zigzag fashion of arrow part indication among Fig. 2), and this structure can effectively reduce the noise that wing flap produces when stressed.
The wing flap of installing in the pneumatic equipment blades made that the application proposes 22 is installed and is changed by the trailing edge of clamping structure and described blade body 21.For a wing flap, the angle between the fin of formation dovetail structure division is fixed.Can under application wind energy conversion system different conditions, carry out the replacing of corresponding shape or size wing flap to reach the use state of wind energy conversion system the best, perhaps, after the prediction according to the wind conditions of diverse geographic location, install or change the wing flap of the corresponding shape, size or the angle that are fit to local wind condition.As shown in Figure 6, be the wind behaviour under a certain geographical position, this moment, the pneumatic equipment blades made body was not installed wing flap, flowed to signal during air-flow process blade body.As shown in Figure 7, this moment, the pneumatic equipment blades made body was installed wing flap, and air-flow is through isolating stable two whirlpool tails and spread after the blade body, thus can reduce multiple wind direction and mixedly appear the time to the pneumatic influence of blade body.
If when wind energy conversion system is idle, wing flap 22 is installed on blade body 21, and when turning round, wind energy conversion system do not wish to take off wing flap 22, want to allow wing flap 22 turn round with blade body 21 always, this flap configurations is shown in Fig. 4 a, in dovetail structure 22a part, away from described two the formed angle e of the relative abduction of fin in the position of described elasticity part 22b can be set to 20 the degree to 90 the degree in unspecified angle, simultaneously the below of described pneumatic equipment blades made is the windward side, is arranged on the size big (length is long and/or thickness is thicker) of the fin (lower panel among Fig. 4 a) of windward side one side in two fins.
If the interim wing flap of installing is on blade body 21 when wind energy conversion system is idle, and when turning round, need take off wind energy conversion system wing flap, this flap configurations is shown in Fig. 4 b, in dovetail structure 22a part, can be set to the unspecified angle of 30 degree to 170 degree away from described two the formed angle e of the relative abduction of fin in the position of described elasticity part, simultaneously away from measure-alike (length is identical and/or thickness is identical) of two fins of the relative abduction of the position of described elasticity part.
Embodiment two:
Shown in Fig. 2-4, the application proposes a kind of wind energy conversion system, at the trailing edge of blade the one described wing flap as embodiment is installed.
The above is the application's embodiment only, is not limited to the application, and for a person skilled in the art, the application can have various changes and variation.All within the application's spirit and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the application's the claim scope.
Claims (10)
1. a pneumatic equipment blades made is characterized in that, comprising: blade body and at least one wing flap that is movably arranged on described blade body trailing edge, wherein,
Described wing flap has two fins and elasticity part, described two fin relative fixed serve as that axle reverses in the both sides of described elasticity part and with described elasticity part, thereby form the clamping framework of interlock at an end of described elasticity part, constitute the dovetail structure of folding at the other end of described elasticity part;
The trailing edge engagement of described wing flap by described clamping structure and described blade body, thus and make the fastening aerodynamic characteristic of described blade body of improving of trailing edge of described clamping structure and blade body to reduce the flutter of described blade body by the thrust that described elasticity part acts on described dovetail structure inboard.
2. pneumatic equipment blades made as claimed in claim 1 is characterized in that,
Described dovetail structure by near the position of described elasticity part to the position away from described elasticity part, the folding angle of described two fins enlarges gradually and is horn-like, thereby making to draw close relatively to form with the outer surface at two fins near two fins of the position of described elasticity part is convenient to stressed plane and is convenient to pull the described clamping structure of interlock is opened, thereby makes aerofoil profile curve away from the relative abduction fine setting of described two fins in the position of described elasticity part pneumatic equipment blades made.
3. pneumatic equipment blades made as claimed in claim 1 is characterized in that,
On the fin that forms described clamping structure part, the internal surface that meshes with described blade body also has adhering layer, and described clamping structure is bonding by described adhering layer and described blade body.
4. pneumatic equipment blades made as claimed in claim 1 is characterized in that,
Thereby the fin that forms described clamping structure part has preset thickness makes the outer surface of the fin that forms described clamping structure part have the cambered surface protruding structure.
5. pneumatic equipment blades made as claimed in claim 1 is characterized in that,
The tail end that constitutes the fin of described dovetail structure division has saw tooth structure or wave structure.
6. pneumatic equipment blades made as claimed in claim 2 is characterized in that,
At described dovetail structure division, away from two formed angles of fin of the relative abduction in position of described elasticity part unspecified angle that is 20 degree to 90 degree, be arranged on the size of fin of windward side one side simultaneously relatively in two fins of abduction greater than the size of the fin that is arranged on lee face one side.
7. pneumatic equipment blades made as claimed in claim 2 is characterized in that,
At described dovetail structure division, away from the unspecified angle that described two the formed angles of the relative abduction of fin in the position of described elasticity part are 30 degree to 170 degree, simultaneously relatively two fins of abduction is measure-alike.
8. pneumatic equipment blades made as claimed in claim 1 is characterized in that,
When the wing flap that is movably arranged on described blade body trailing edge comprises two when above, to being spaced, the arrangement pitch of described wing flap arranges according to the chord length of described blade body the wing flap that is movably arranged on described blade body trailing edge along the exhibition of described blade body.
9. pneumatic equipment blades made as claimed in claim 8 is characterized in that,
When the wing flap that is movably arranged on described blade body trailing edge was three, described three wing flaps were installed in the trailing edge that is close to the blade tip position, the trailing edge of close blade root position and the trailing edge that is positioned at the intermediate portion of blade body respectively.
10. a wind energy conversion system is characterized in that, comprises as each described pneumatic equipment blades made among the claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310227578.6A CN103334872B (en) | 2013-06-08 | 2013-06-08 | Wind turbine blade and wind turbine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310227578.6A CN103334872B (en) | 2013-06-08 | 2013-06-08 | Wind turbine blade and wind turbine |
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| CN103334872A true CN103334872A (en) | 2013-10-02 |
| CN103334872B CN103334872B (en) | 2015-07-15 |
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| CN201310227578.6A Expired - Fee Related CN103334872B (en) | 2013-06-08 | 2013-06-08 | Wind turbine blade and wind turbine |
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| CN106574600A (en) * | 2014-07-17 | 2017-04-19 | 乌本产权有限公司 | Wind-turbine rotor blade, trailing edge for wind-turbine rotor blade tip, method for producing a wind-turbine rotor blade, and wind turbine |
| CN107110112A (en) * | 2014-10-10 | 2017-08-29 | 维斯塔斯风力系统有限公司 | wind turbine blade with trailing edge flap |
| CN108150344A (en) * | 2017-12-25 | 2018-06-12 | 江苏金风科技有限公司 | For the denoising structure, blade and wind power generating set of wind generator set blade |
| CN108716451A (en) * | 2018-07-30 | 2018-10-30 | 中科国风检测（天津）有限公司 | Trailing edge device combining functions of increasing functions, reducing noise and preventing lightning and installation method |
| CN109826752A (en) * | 2018-08-30 | 2019-05-31 | 国网辽宁省电力有限公司本溪供电公司 | A kind of generator |
| CN112689746A (en) * | 2018-09-17 | 2021-04-20 | 西门子歌美飒可再生能源公司 | Sensor device for aerodynamic elements |
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| CN106574600A (en) * | 2014-07-17 | 2017-04-19 | 乌本产权有限公司 | Wind-turbine rotor blade, trailing edge for wind-turbine rotor blade tip, method for producing a wind-turbine rotor blade, and wind turbine |
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| CN108716451A (en) * | 2018-07-30 | 2018-10-30 | 中科国风检测（天津）有限公司 | Trailing edge device combining functions of increasing functions, reducing noise and preventing lightning and installation method |
| CN109826752A (en) * | 2018-08-30 | 2019-05-31 | 国网辽宁省电力有限公司本溪供电公司 | A kind of generator |
| CN112689746A (en) * | 2018-09-17 | 2021-04-20 | 西门子歌美飒可再生能源公司 | Sensor device for aerodynamic elements |
| CN112689746B (en) * | 2018-09-17 | 2024-02-02 | 西门子歌美飒可再生能源公司 | Sensor device for aerodynamic element |
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