CN110206680A - A kind of vortex generator, fan blade and its manufacturing method - Google Patents
A kind of vortex generator, fan blade and its manufacturing method Download PDFInfo
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- CN110206680A CN110206680A CN201910486876.4A CN201910486876A CN110206680A CN 110206680 A CN110206680 A CN 110206680A CN 201910486876 A CN201910486876 A CN 201910486876A CN 110206680 A CN110206680 A CN 110206680A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 230000000694 effects Effects 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 3
- 230000010412 perfusion Effects 0.000 claims description 2
- 230000037452 priming Effects 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 230000036961 partial effect Effects 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
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- 238000009499 grossing Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/12—Moulds or cores; Details thereof or accessories therefor with incorporated means for positioning inserts, e.g. labels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/36—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and impregnating by casting, e.g. vacuum casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
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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
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0675—Rotors characterised by their construction elements of the blades
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/08—Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
- B29L2031/082—Blades, e.g. for helicopters
- B29L2031/085—Wind turbine blades
-
- 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
- F05B2240/306—Surface measures
- F05B2240/3062—Vortex generators
-
- 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
-
- 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
- F05B2260/97—Reducing windage losses
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention discloses a kind of vortex generator, fan blade and its manufacturing methods, wherein vortex generator includes at least a pair of groove being opened on blade, when air-flow flows through near groove, high energy vortex is generated under groove effect, the high energy vortex downstream disturbs the air-flow of blade upper surface.The present invention has the major function of Current eddy current generator, enough vortex disturbances be can produce to inhibit the flow separation of airfoil surface, promote the lift resistance ratio of aerofoil profile, improve the aeroperformance of blade, reduce the hydrodynamic noise of blade, the features such as increasing wind-driven generator annual electricity generating capacity, while having both at low cost, high reliablity.
Description
Technical field
The present invention relates to wind turbine power generation blade industry, in particular to a kind of vortex generator, fan blade and its manufacturer
Method.
Background technique
It usually will be installed several vortex generators (vortex generator, abbreviation on modern wind generator blade
VG), for generating high energy wingtip vortex, inhibit aerofoil profile upper surface flow separation, postpone stall, improve generated energy.Typical vortex
Generator architecture is as shown in Figure 1.It includes two symmetrical fins and a pedestal, fin be typically normal to pedestal and with
Flow direction is in a certain angle, and the shape of several fins 2 ' has been disclosed in each patent, as shown in Fig. 2 a~2e.Vortex occurs
The geometric shape of device generates the wing tip " whirlpool " of similar aircraft wing tip in flow field, and wing tip " whirlpool " will be outside boundary layer by rotation
Portion's high-velocity fluid energy is brought into boundary layer, is increased the ability that boundary layer overcomes adverse pressure gradient, is delayed flow boundary layer
Burble point, vortex generator increases the maximum lift coefficient in blade operating condition, improves lift resistance ratio, and then improve
Wind energy capturing efficiency.
The basic structure of existing vortex generator is to adhere to some pneumatic structures in blade surface, and simplest structure is such as
A variety of evolution occur for fin, on this basis, the structure and shape of fin, and such as variation is dorsal fin shape, nest like etc..It is either assorted
The pneumatic accessories structure of sample, installation is relatively complicated, and integral blade needs to install a large amount of vortex generator unit, usually
It is installed in the form of splicing, easy to aging in later period operational process and fall off, reliability is lower.Current eddy current generator attachment from
Production, positioning, pastes installation and is required to great amount of cost and process to be expended, and have to the reliability of technology for applying higher
It is required that.In addition, pneumatic accessories also increases the overall cost and weight of blade.
Summary of the invention
The object of the present invention is to provide a kind of vortex generator, fan blade and its manufacturing methods, have Current eddy current
The major function of generator can produce enough vortex disturbances to inhibit the flow separation of airfoil surface, promote the liter of aerofoil profile
Ratio is hindered, the aeroperformance of blade is improved, reduces the hydrodynamic noise of blade, increases wind-driven generator annual electricity generating capacity, while having both into
The features such as this is low, high reliablity.
In order to achieve the goal above, the present invention is achieved by the following technical solutions:
A kind of vortex generator, comprising: at least a pair of groove being opened on blade, when air-flow flows through near groove,
High energy vortex is generated under groove effect, the high energy vortex downstream disturbs the air-flow of blade upper surface.
Preferably, the groove length is 10mm~500mm, and depth of groove is 10mm~100mm.
Preferably, the groove described in a pair is symmetrically distributed on the blade.
Preferably, the groove head is connected, so that incoming flow is separated into two plumes behind groove head and moves, expands gas
Flow disturbance range.
Preferably, the groove tail end is connected, so that the flowing in two grooves is merged into groove tail end with one
Flowing improves flowed energy.
Preferably, the inner sidewall of the groove and blade surface seamlessly transit.
Another embodiment according to the present invention, a kind of fan blade, comprising:
Multiple above-mentioned vortex generators；And
Blade body；
Multiple vortex generators are respectively arranged in blade body surface.
Preferably, the flow-generator and blade body one form.
Another embodiment according to the present invention, a kind of manufacturing method of fan blade, the method include:
Several locating modules, the locating module and the whirlpool are produced according to the design size of above-mentioned vortex generator
The groove of flow-generator is adapted；
According to vortex generator in the positioning of blade surface, installation site of the vortex generator in blade mold is obtained,
And locating module is affixed into installed position；
Piecewise laying is carried out to glass fibre on blade mold, places Sandwich materials, again laying, and priming by vacuum is arrived
Demoulding；
Blade after demoulding is post-processed.
Preferably, the installation site of the vortex generator are as follows:
Installation site of the vortex generator on blade mold suction surface or pressure face.
Compared with prior art, the present invention having the advantage that
1. the present invention forms special triangle cavity body structure by removing material in blade surface, flowing is flowing through chamber
High energy vortex can be generated when body, for inhibiting downstream flow to separate, delay stall.
2. vortex generator of the invention forms in the blade forming stage with blade simultaneously, under having avoided process existing,
The patch process in later period.Process is reduced, and cost reduces, and the blade production cycle accelerates.
3. comparing existing vortex generator, the method for subtracting material molding VG reduces leaf weight.
4. vortex generator of the invention can effectively postpone airfoil surface flowing stall, postpone 2~5 ゜ of stall angle
Lift resistance ratio 10%~50% is improved in left and right, close to the better effect of the raising aeroperformance of the thick wing type of leaf root part, the present invention
Vortex generator is used for leaf root part, for postponing stall, inhibits blade root Three-dimensional Flow, can effectively improve annual electricity generating capacity 1%~
2% or so, for low wind speed area, atmospheric density region wind field, improve generated energy effect it is more preferable.
5. vortex generator of the present invention, to blade root range, can reduce the aerodynamic noise of fan blade, reduction is made an uproar for blade tip
Sound is 1~2dB.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is common vortex generator structure figure；
Fig. 2 a~2e is various vortex generators of different shapes；
Fig. 3 is the structural schematic diagram of vortex generator of the present invention；
Fig. 4 is the partial schematic diagram of Fig. 3；
Fig. 5 is the another structural schematic diagram of vortex generator of the present invention；
Fig. 6 is the partial schematic diagram of Fig. 5；
Fig. 7 is the another structural schematic diagram of vortex generator of the present invention；
Fig. 8 is the partial schematic diagram of Fig. 7；
Fig. 9 is the partial enlarged view of vortex generator of the present invention；
Figure 10 a, 10b are the structural schematic diagram of fan blade of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Below in conjunction with Fig. 3~Figure 10, technical solution of the present invention is described in detail with specifically embodiment.Below this
Several specific embodiments can be combined with each other, may be no longer superfluous in some embodiments for the same or similar concept or process
It states.
Fig. 3 shows the structural schematic diagram of vortex generator of the present invention, such as Fig. 3 and as shown in connection with fig. 4, the vortex hair
Raw device 10 includes: a pair of groove 101 being opened on blade 20, and specifically, which is shaped to special form in blade surface
Shape extends to blade interior certain distance since blade surface, when air-flow flows through near groove 101, acts in groove 101
Lower generation high energy vortex, the high energy vortex downstream disturb the air-flow of 20 upper surface of blade, air-flow are delayed to separate, from
And postpone the stall of blade.It should be noted that above-mentioned special shape is two grooves in symmetrical or asymmetric distribution.
Further, above-mentioned 101 length of groove is 10mm~500mm, and optimal is 30mm~60mm, depth of groove 10mm
~100mm, optimal is 240~60mm.
Fig. 5 shows the another structural schematic diagram of vortex generator of the present invention, and such as Fig. 5 and as shown in connection with fig. 6, two symmetrical
The groove 101 of distribution can be merged into the groove of a similar triangle, specifically, by two symmetrical groove head phases
Even, a positive splayed configuration is formed, incoming flow can be separated into two parts flowing with lower drag by the front end of the groove at this time, be had
Biggish flow perturbation range.
Fig. 7 shows the another structural schematic diagram of vortex generator of the present invention, and such as Fig. 7 and as shown in connection with fig. 8, two symmetrical
The groove 101 of distribution can be merged into the groove of a similar triangle, specifically, by two symmetrical groove tail end phases
Even, an inverse Ba type is formed, the flowing in two grooves at this time will merge into same plume in the tail end of groove and move, and have
Biggish energy.
It should be noted that can be decided whether to select " positive splayed configuration " or " inverse Ba type " according to specific operating condition.
Fig. 9 shows the partial enlarged view of vortex generator of the present invention, as shown in figure 9, above-mentioned groove inner sidewall 1011 with
Blade surface smooth transition, it can be understood as the edge-smoothing of the groove medial surface is transitioned into blade surface.The structure can subtract
Small stress is concentrated, while reducing flow resistance when flowing through vortex generator, is occurred with the vortex of " positive splayed configuration " distribution
For device, the shape after optimization is as shown in Figure 9.
Figure 10 a, 10b are the structural schematic diagram of fan blade provided in an embodiment of the present invention, as shown in Figure 10 a, 10b, this
In embodiment, which includes multiple above-mentioned vortex generators 201 and blade body 202, can be by specific
Need of work is reasonably laid out vortex generator on the surface of blade body, it can uniform or non-uniform point
It is distributed in 202 surface of blade body.
It should be noted that above-mentioned blade body 202 and vortex generator 201 in mold simultaneously laying integrally perfusion at
Type.
Fan blade provided in an embodiment of the present invention, with vortex generator provided by the above embodiment technology having the same
Feature reaches identical technical effect so also can solve identical technical problem.
Fig. 7 is combined to describe the fan blade of the embodiment of the present invention above.Further, the invention also discloses a kind of wind
The manufacturing method of machine blade, includes the following steps:
S1 is designed according to the design size of above-mentioned vortex generator and is produced several locating modules, the locating module and sheet
The vortex generator groove of invention can seamless complementary assembly；
S2 obtains installation position of the vortex generator in blade mold according to vortex generator in the positioning of blade surface
It sets, and locating module is affixed into installed position.
Specifically, according to vortex generator blade surface positioning drawing, in blade mold suction surface (face SS) or
The installation site that vortex generator is measured on pressure face (face PS), affixes to consolidating for blade mold for ready locating module
Positioning is set.
S3 carries out piecewise laying to glass fibre on blade mold, places Sandwich materials, again laying, and vacuum fills
Demoulding is infused, integrally formed blade is obtained after demoulding.
S4 post-processes the blade after demoulding, specifically, the blade after demoulding is polished and is post-processed, most
Oiling paint layer completes production afterwards.
It should be noted that, in this document, the relational terms (if present) such as " first ", " second ", " third " is only
Only it is used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying these realities
There are any actual relationship or orders between body or operation.It should be understood that the term used in this way is in the appropriate case
Can be interchanged, so as to the embodiment of the present invention described herein, such as can in addition to those of illustrate or describe herein with
Outer sequence is implemented.In addition, the terms "include", "comprise", " having " or its any other variant are intended to nonexcludability
Include so that include a series of elements process, method, article or terminal device not only include those elements, and
It and further include other elements that are not explicitly listed, or further include for this process, method, article or terminal device institute
Intrinsic element.In the absence of more restrictions, the element limited by sentence " including ... " or " including ... ", not
There is also other elements in process, method, article or the terminal device for including the element for exclusion.In addition, herein
In, " being greater than ", " being less than ", " being more than " etc. are interpreted as not including this number；" more than ", " following ", " within " etc. be interpreted as including this
Number.
It is discussed in detail although the contents of the present invention have passed through above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read above content, for of the invention
A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (10)
1. a kind of vortex generator characterized by comprising at least a pair of groove being opened on blade, when air-flow flow through it is recessed
When near slot, high energy vortex is generated under groove effect, the high energy vortex downstream disturbs the gas of blade upper surface
Stream.
2. vortex generator as described in claim 1, which is characterized in that the groove length is 10mm~500mm, groove
Depth is 10mm~100mm.
3. vortex generator as described in claim 1, which is characterized in that groove described in a pair is symmetrically distributed in the leaf
On piece.
4. vortex generator as claimed in claim 3, which is characterized in that the groove head is connected, so that incoming flow is passed through
It is dynamic that it is separated into two plumes behind groove head, expands flow perturbation range.
5. vortex generator as claimed in claim 3, which is characterized in that the groove tail end is connected, so that two grooves
Interior flowing is merged into same plume in groove tail end and is moved, and flowed energy is improved.
6. vortex generator as described in any one in claim 1-5, which is characterized in that the inner sidewall and blade of the groove
Smooth surface transition.
7. a kind of fan blade characterized by comprising
Multiple vortex generators as described in claim any one of 1-6；And
Blade body；
Multiple vortex generators are respectively arranged in blade body surface.
8. fan blade as claimed in claim 7, which is characterized in that the flow-generator and blade body integrally perfusion at
Type.
9. a kind of manufacturing method of fan blade, which is characterized in that the method includes:
Several locating modules are produced according to the design size of vortex generator as claimed in any one of claims 1 to 6, it is described
Locating module is adapted with the groove of the vortex generator；
According to vortex generator in the positioning of blade surface, installation site of the vortex generator in blade mold is obtained, and will
Locating module affixes to installed position；
Piecewise laying is carried out to glass fibre on blade mold, places Sandwich materials, again laying, and priming by vacuum is to taking off
Mould；
Blade after demoulding is post-processed.
10. the manufacturing method of fan blade as claimed in claim 9, which is characterized in that the installation position of the vortex generator
It is set to:
Installation site of the vortex generator on blade mold suction surface or pressure face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910486876.4A CN110206680A (en) | 2019-06-05 | 2019-06-05 | A kind of vortex generator, fan blade and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910486876.4A CN110206680A (en) | 2019-06-05 | 2019-06-05 | A kind of vortex generator, fan blade and its manufacturing method |
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| Publication Number | Publication Date |
|---|---|
| CN110206680A true CN110206680A (en) | 2019-09-06 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910486876.4A Pending CN110206680A (en) | 2019-06-05 | 2019-06-05 | A kind of vortex generator, fan blade and its manufacturing method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111894817A (en) * | 2020-08-11 | 2020-11-06 | 石家庄铁道大学 | Vortex generator |
| CN112539128A (en) * | 2020-11-09 | 2021-03-23 | 中国海洋大学 | Blade assembly for tidal current energy power generation and tidal current energy water turbine |
| CN113635587A (en) * | 2020-05-11 | 2021-11-12 | 西门子歌美飒可再生能源公司 | Method of manufacturing a wind turbine rotor blade |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101321949A (en) * | 2005-12-05 | 2008-12-10 | Lm玻璃纤维制品有限公司 | Blade for a wind turbine rotor |
| CN201771673U (en) * | 2009-12-30 | 2011-03-23 | 力仓风力设备(上海)有限公司 | Vortex generator on surface of wind-power blade |
| CN104364517A (en) * | 2012-03-13 | 2015-02-18 | 柯尔顿控股有限公司 | Twisted blade root |
| CN207145127U (en) * | 2017-08-10 | 2018-03-27 | 上海电气风电集团有限公司 | Vortex generator and its pneumatic equipment bladess |
| CN109386424A (en) * | 2017-08-10 | 2019-02-26 | 上海电气风电集团有限公司 | Vortex generator, pneumatic equipment bladess and its installation method with vortex generator |
-
2019
- 2019-06-05 CN CN201910486876.4A patent/CN110206680A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101321949A (en) * | 2005-12-05 | 2008-12-10 | Lm玻璃纤维制品有限公司 | Blade for a wind turbine rotor |
| CN201771673U (en) * | 2009-12-30 | 2011-03-23 | 力仓风力设备(上海)有限公司 | Vortex generator on surface of wind-power blade |
| CN104364517A (en) * | 2012-03-13 | 2015-02-18 | 柯尔顿控股有限公司 | Twisted blade root |
| CN207145127U (en) * | 2017-08-10 | 2018-03-27 | 上海电气风电集团有限公司 | Vortex generator and its pneumatic equipment bladess |
| CN109386424A (en) * | 2017-08-10 | 2019-02-26 | 上海电气风电集团有限公司 | Vortex generator, pneumatic equipment bladess and its installation method with vortex generator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113635587A (en) * | 2020-05-11 | 2021-11-12 | 西门子歌美飒可再生能源公司 | Method of manufacturing a wind turbine rotor blade |
| CN113635587B (en) * | 2020-05-11 | 2023-09-29 | 西门子歌美飒可再生能源公司 | Method of manufacturing a wind turbine rotor blade |
| CN111894817A (en) * | 2020-08-11 | 2020-11-06 | 石家庄铁道大学 | Vortex generator |
| CN112539128A (en) * | 2020-11-09 | 2021-03-23 | 中国海洋大学 | Blade assembly for tidal current energy power generation and tidal current energy water turbine |
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Address after: 200241 Dongchuan Road, Shanghai, No. 555, building No. 8, floor, floor, No. Applicant after: Shanghai Electric Wind Power Group Co., Ltd Address before: 200241, 4 floor, building 555, 4 Dongchuan Road, Shanghai, Minhang District Applicant before: SHANGHAI ELECTRIC WIND POWER GROUP Co.,Ltd. |
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