CN102312797A - Honeycomb board wind power generator wind wheel blade - Google Patents
Honeycomb board wind power generator wind wheel blade Download PDFInfo
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- CN102312797A CN102312797A CN201110206398A CN201110206398A CN102312797A CN 102312797 A CN102312797 A CN 102312797A CN 201110206398 A CN201110206398 A CN 201110206398A CN 201110206398 A CN201110206398 A CN 201110206398A CN 102312797 A CN102312797 A CN 102312797A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
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Abstract
The invention discloses a honeycomb board wind power generator wind wheel blade, which comprises a casing and an inside support structure, wherein the casing is mainly formed by combining an upper half case and a lower half case, the inside support structure is arranged in the casing and is respectively connected with the support part of the upper half case and the lower half case, the upper half case is formed by bending a first honeycomb board, the lower half case is formed by bending a second honeycomb board, the inside support structure is a metal sectional material, and the metal sectional material is vertically connected with the inner side of the head part of the casing and the inner side of the tail part and is connected with the inner wall of the casing by support points with the limited number at each cross section inside the casing except the inner side of the head part and the inner side of the tail part. The honeycomb board wind power generator wind wheel blade has the beneficial effects that the weight of a wind power generator wind wheel blade is effectively reduced, the wind-electricity conversion efficiency of a wind power generator is improved, simultaneously, the process for making the wind power generator wind wheel blade by the honeycomb board is simplified, and the manufacture cost is reduced.
Description
Technical field
The present invention relates to a kind of wind turbines rotor blade, the wind turbines rotor blade that especially a kind of honeycomb plate is processed.
Background technique
Known wind turbines rotor blade is generally processed by glass fibre and mixed with resin; Weight is big, fragility big because the wind wheel blade processed of this kind mode exists, can discharge problem such as harmful gas when producing; So develop light specific gravity and have good fatigue strength and the wind wheel blade of mechanical property becomes the major issue of wind-driven generator innovation, the honeycomb plate is because its light specific gravity, and strength-weight ratio is big; Mean forced; Compression resistance is strong, and it is to make the excellent material of wind-power electricity generation power wind wheel blade that shock resistance reaches characteristics such as indeformable well, but because the structural feature of honeycomb plate; Cause its shape of processing, being combined into the wind wheel fan blade to have suitable difficulty, make that making the wind turbines rotor blade with the honeycomb plate can't promote.
Summary of the invention
To the problems referred to above that existing wind turbines rotor blade exists, the wind turbines rotor blade that the present invention provides a kind of honeycomb plate to process.
The technological scheme that technical solution problem of the present invention is adopted is:
A kind of honeycomb plate wind turbines rotor blade; Comprise housing and inner supporting structure, said housing is mainly combined by upper half shell and lower half shell, and said inner supporting structure places in the said housing and with the support zone of said upper half shell and said lower half shell and is connected respectively; Wherein, Said upper half shell is bent to form by the first honeycomb plate, and said lower half shell is bent to form by the second honeycomb plate, and the said first honeycomb plate, the second honeycomb plate comprise top plate, lower panel and honeycomb core; Said honeycomb core places on the said lower panel and with said lower panel and fits tightly; Said top plate is overlying on the said honeycomb core, and fits tightly with said honeycomb core, and said inner supporting structure is a metal section; Metal section vertically connects the inboard of said housing head and the inboard of afterbody, and is connected with said inner walls with limited the strong point with each cross section the afterbody inboard except that inner portion in said housing.
Above-mentioned honeycomb plate wind turbines rotor blade, wherein, said housing cross section is a water droplet shape, and said water droplet shape afterbody is the flow-disturbing angle of said wind turbines rotor blade, and said flow-disturbing angle is mainly combined by the first honeycomb plate and the second honeycomb plate; The said first honeycomb plate comprises first inclined-plane; Said first inclined-plane forms first acute angle and first obtuse angle on its cross section; Corresponding said first acute angle of the said first inclined-plane cross section forms said flow-disturbing angle; The said second honeycomb plate comprises second inclined-plane; Said second inclined-plane forms second acute angle and second obtuse angle on its cross section, said second acute angle is not fitted with the shared one side of said first acute angle with said first obtuse angle with shared one side, said second obtuse angle and is connected, and the summit of said second acute angle contacts with the summit at said first obtuse angle.
Above-mentioned honeycomb plate wind turbines rotor blade; Wherein, said housing cross section is a water droplet shape, and said water droplet shape head is the windward side of said wind turbines rotor blade; Said windward side comprises the first honeycomb plate and the second honeycomb plate; The said first honeycomb plate is identical with the said second honeycomb plate thickness, and the said first honeycomb plate is connected with the said second honeycomb plate, and its connection part forms said windward side; Between the said first honeycomb plate and the second honeycomb plate first connected element is arranged, said first connected element comprises:
First grooved profile and second grooved profile, said first grooved profile is identical with the said second grooved profile shape;
Said first grooved profile comprises notch and bottom land; The said first grooved profile width of rebate is less than the thickness of the said first honeycomb plate; The said first grooved profile notch outwards is connected with the said first honeycomb plate, and makes the said first grooved profile bottom land embed between the upper and lower panel of the said first honeycomb plate and the notch of said first grooved profile is flushed with the said first honeycomb plate edges of boards;
Said second grooved profile comprises notch and bottom land; The said second grooved profile width of rebate is less than the thickness of the said second honeycomb plate; The said second grooved profile notch outwards is connected with the said second honeycomb plate, and makes the said second grooved profile bottom land embed between the upper and lower panel of the said second honeycomb plate and the notch of said second grooved profile is flushed with the said second honeycomb plate edges of boards;
Also comprise the polygonal section bar; Said polygonal section bar is divided into left side and right-hand part with its center line; Said left side and said right-hand part are about the center line symmetry of said polygonal section bar; Said left side shape of cross section and said first grooved profile shape of cross section coupling; Said right-hand part shape of cross section and said second grooved profile shape of cross section coupling, the left side of said polygonal section bar is stretched into said first grooved profile and is connected with it, and the right-hand part of said polygonal section bar stretches into said second grooved profile and is connected with it.
Above-mentioned honeycomb plate wind turbines rotor blade; Wherein, Said housing is made up of the multistage splicing; The said first honeycomb plate of piece housing was a leading portion honeycomb plate in the past, and the said first honeycomb plate of later piece housing is a back honeycomb plate, said preceding honeycomb plate and the honeycomb plate splicing of said back; The top plate amalgamation of the top plate of honeycomb plate and said back honeycomb plate before said; The lower panel amalgamation of the lower panel of honeycomb plate and said back honeycomb plate before said, said before the honeycomb core of honeycomb plate fit in the splicing position with the honeycomb core of said back honeycomb plate, said preceding honeycomb plate and said after the 3rd connected element is arranged between the honeycomb plate; Said the 3rd connected element is top connecting plate and bottom connecting plate; Said top connecting plate cover said before the amalgamation seam of top plate of top plate and said back honeycomb plate of honeycomb plate, and with said before honeycomb plate top plate is connected with said back honeycomb plate top plate, said bottom connecting plate cover said before the honeycomb plate lower panel and said after the amalgamation seam of lower panel of honeycomb plate; And with said before honeycomb plate lower panel be connected with said back honeycomb plate lower panel, the Placement between the said second honeycomb plate of two-piece housing is identical with the Placement of the said first honeycomb plate of two-piece housing.
Above-mentioned honeycomb plate wind turbines rotor blade; Wherein, The common said flow-disturbing angle that forms of said first acute angle and said second acute angle; Fit with the shared limit in said first acute angle and said first obtuse angle and be connected in the shared limit in said second acute angle and said second obtuse angle, and the summit of second acute angle contacts with the summit of said first acute angle, and the summit at said second obtuse angle contacts with the summit at said first obtuse angle.
Above-mentioned honeycomb plate wind turbines rotor blade, wherein, the Placement of said first honeycomb plate and the said second honeycomb plate is that fastening piece is connected.
Above-mentioned honeycomb plate wind turbines rotor blade wherein, has encapsulant layer between said first grooved profile and the said first honeycomb plate, between said second grooved profile and the said second honeycomb plate encapsulant layer is arranged.
Above-mentioned honeycomb plate wind turbines rotor blade wherein, has encapsulant layer between said polygonal section bar and said first grooved profile and said second grooved profile.
Above-mentioned honeycomb plate wind turbines rotor blade; Wherein, Said first grooved profile comprises the both sides cell wall; A pair of counterbore penetrates the upper and lower panel of the said first honeycomb plate and the both sides cell wall of said first grooved profile respectively, and passes this fastening piece of counterbore left side with the said first honeycomb plate, said first grooved profile and said polygonal section bar is linked together through a pair of.
Above-mentioned honeycomb plate wind turbines rotor blade; Wherein, Said second grooved profile comprises the both sides cell wall; A pair of counterbore penetrates the upper and lower panel of the said second honeycomb plate and the both sides cell wall of said second grooved profile respectively, and passes this fastening piece of counterbore right-hand part with the said second honeycomb plate, said second grooved profile and said polygonal section bar is linked together through a pair of.
Above-mentioned honeycomb plate wind turbines rotor blade; Wherein, Said top connecting plate cover said before the amalgamation seam of top plate of top plate and said back honeycomb plate of honeycomb plate towards the one side of said honeycomb core, said bottom connecting plate cover said before the amalgamation seam of lower panel of lower panel and said back honeycomb plate of honeycomb plate towards the one side of said honeycomb core.
Above-mentioned honeycomb plate wind turbines rotor blade; Wherein, Said top connecting plate has polylith; Said polylith top connecting plate be long strip and connect at certain intervals each other said before honeycomb plate top plate and said back honeycomb plate top plate, said bottom connecting plate has polylith, said polylith bottom connecting plate be long strip and connect at certain intervals each other said before honeycomb plate lower panel and said back honeycomb plate lower panel.
Above-mentioned honeycomb plate wind turbines rotor blade; Wherein, The Placement of the top plate of the top plate of said top connecting plate and said preceding honeycomb plate and said back honeycomb plate is bonding, and the Placement of the lower panel of the lower panel of said bottom connecting plate and said preceding honeycomb plate and said back honeycomb plate is bonding.
Above-mentioned honeycomb plate wind turbines rotor blade; Wherein, Also comprise the V-arrangement connected element, said V-arrangement connected element comprises first plane, second plane and drift angle, and it is inboard that said drift angle withstands said flow-disturbing angle; Fitting with the said first honeycomb plate and be connected in said first plane, fits with the said second honeycomb plate and be connected in said second plane.
Above-mentioned honeycomb plate wind turbines rotor blade, wherein, said first grooved profile and said second grooved profile are C shape section bar, said polygonal section bar is the rectangle section bar.
Above-mentioned honeycomb plate wind turbines rotor blade, wherein, said first grooved profile and said second grooved profile are the V-arrangement section bar, said polygonal section bar is the rhombus section bar.
Above-mentioned honeycomb plate wind turbines rotor blade; Wherein, Said top connecting plate stretch into said before length between honeycomb plate top plate and the said honeycomb core stretch into the equal in length between said back honeycomb plate top plate and the said honeycomb core with it, said bottom connecting plate stretch into said before length and its between honeycomb plate lower panel and the said honeycomb core stretch into the equal in length between said honeycomb plate lower panel afterwards and the said honeycomb core.
Above-mentioned honeycomb plate wind turbines rotor blade; Wherein, There is counterbore said first honeycomb plate and the said second honeycomb plate and said V-arrangement connected element joint; The counterbore that has fastening piece to pass through on the said first honeycomb plate is connected with first plane of said V-arrangement connected element, and the counterbore that has fastening piece to pass through on the said second honeycomb plate is connected with second plane of said V-arrangement connected element.
Above-mentioned honeycomb plate wind turbines rotor blade, wherein, the said honeycomb core height at place, said first inclined-plane is with the inclined-plane even variation, and place, said second inclined-plane honeycomb core height is with the inclined-plane even variation.
Above-mentioned honeycomb plate wind turbines rotor blade; Wherein, Said honeycomb green wood comprises a plurality of hexagon cavitys, in the hexagon cavity of place, said first inclined-plane honeycomb core and in the hexagon cavity of place, said second inclined-plane honeycomb core hard elastic packing material is arranged.
Above-mentioned honeycomb plate wind turbines rotor blade; Wherein, the honeycomb plate of offering said counterbore is called honeycomb plate to be connected, need are called link with the section bar that said honeycomb plate to be connected is connected; Said band connects the honeycomb plate and comprises top plate to be connected, lower panel to be connected and honeycomb core to be connected; Said honeycomb core to be connected comprises a plurality of hexagon chambers, and said counterbore comprises linkage structure, and said linkage structure comprises back-up coat and through hole; Said back-up coat mainly is made up of the reinforcing encapsulant layer in said honeycomb core to be connected and the said hexagon chamber; Said reinforcing encapsulant layer is full of said hexagon chamber, and said reinforcing encapsulant layer is the hard elastic encapsulant layer, and said back-up coat area is less than the area of said honeycomb plate to be connected; Said back-up coat area is greater than the area of contact of said link and said honeycomb plate connection part to be connected; Said through hole penetrates said top plate to be connected, lower panel to be connected and said back-up coat, and said through hole comprises step, and said step is positioned at the side that said honeycomb plate to be connected is not connected with said link.
Above-mentioned honeycomb plate wind turbines rotor blade, wherein, said first honeycomb plate and the said second honeycomb plate are aluminium honeycomb plate.
Above-mentioned honeycomb plate wind turbines rotor blade, wherein, said hull outside coats protective coating.
Above-mentioned honeycomb plate wind turbines rotor blade, wherein, said protective coating is an epoxy coating.
The invention has the beneficial effects as follows:
Effectively alleviate the weight of wind turbines rotor blade, improved the wind-powered electricity generation conversion efficiency of wind-driven generator, simplified the technology of honeycomb plate manufacturing wind turbines rotor blade simultaneously, reduced manufacture cost.
Description of drawings
Fig. 1 is the front view of the full honeycomb plate of the present invention wind turbines rotor blade;
Fig. 2 is the side view of the full honeycomb plate of the present invention wind turbines rotor blade;
Fig. 3 is the sectional drawing of the full honeycomb plate of the present invention wind turbines rotor blade;
Fig. 4 is the flow-disturbing corner structure schematic representation of the full honeycomb plate of the present invention wind turbines rotor blade;
Fig. 5 is the structural representation of the another kind of mode of execution in flow-disturbing angle of the full honeycomb plate of the present invention wind turbines rotor blade;
Fig. 6 is the structural representation of V-type connected element at the flow-disturbing angle of the full honeycomb plate of the present invention wind turbines rotor blade;
Fig. 7 is the structural representation of the windward side of the full honeycomb plate of the present invention wind turbines rotor blade;
Fig. 8 is the structural representation of C shape section bar of the windward side of the full honeycomb plate of the present invention wind turbines rotor blade;
Fig. 9 is the structural representation of rectangle section bar of the windward side of the full honeycomb plate of the present invention wind turbines rotor blade;
The structural representation of shell jointing positions when Figure 10 is the installation of the full honeycomb plate of the present invention wind turbines rotor blade section;
The structural representation of the another kind of mode of execution of shell jointing positions when Figure 11 is the installation of the full honeycomb plate of the present invention wind turbines rotor blade section;
Figure 12 is the structural representation of the counterbore of the full honeycomb plate of the present invention wind turbines rotor blade.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is described further, but not as qualification of the present invention.
Below in conjunction with accompanying drawing and specific embodiment the present invention is described further, but not as qualification of the present invention.
Like Fig. 1, Fig. 2 and shown in Figure 3, a kind of honeycomb plate of the present invention wind turbines rotor blade comprises housing and inner supporting structure; Housing is mainly combined by upper half shell and lower half shell; Inner supporting structure places in the housing and with the support zone of upper half shell and said lower half shell and is connected respectively, and wherein, upper half shell is bent to form by the first honeycomb plate 1; Lower half shell is bent to form by the second honeycomb plate 2; The first honeycomb plate 1, the second honeycomb plate 2 comprise top plate, lower panel and honeycomb core, and the honeycomb core places on the lower panel and with lower panel and fits tightly, and top plate is overlying on the honeycomb core; And fit tightly with the honeycomb core; Inner supporting structure is a metal section 3, and metal section 3 vertically connects the inboard of housing head and the inboards of afterbody, and is connected with inner walls with limited the strong point with each cross section the afterbody inboard except that inner portion in housing.Replace traditional rib truss structure can reduce the weight of inner supporting structure with metal section 3, and since the structural feature of metal section itself process inner supporting structure with it and can well replace traditional rib truss structure.Metal section 3 can select to be provided with the number of the strong point according to the width of wind wheel blade, the more strong point is set can adapts to larger sized wind wheel blade.Metal section 3 can be selected W shape section bar, Y shape section bar or H shape section bar.
Further, the housing cross section is a water droplet shape, and water droplet shape afterbody is the flow-disturbing angle 4 of wind turbines rotor blade, and is as shown in Figure 4, and flow-disturbing angle 4 is mainly combined by the first honeycomb plate 1 and the second honeycomb plate 2; The first honeycomb plate 1 comprises first inclined-plane 411; First inclined-plane 411 forms first acute angle 412 and first obtuse angle 413 on its cross section; First acute angle 412 that first inclined-plane, 411 cross sections are corresponding forms flow-disturbing angle 4; The second honeycomb plate 2 comprises that 421, the second inclined-planes 421, second inclined-plane form second acute angle 422 and second obtuse angle, 423, the second acute angles 422 and do not fit with first acute angle, 412 shared one side with first obtuse angle 413 with 423 shared one side, second obtuse angle and be connected on its cross section; And the summit of second acute angle 422 contacts with the summit at first obtuse angle 413; The Placement of the first honeycomb plate 1 and the second honeycomb plate 2 is that fastening piece is connected, and like rivet, rivet can be selected aluminum rivet.Become the flow-disturbing angle of wind wheel blade to solve with the angular surface type of honeycomb plate on band inclined-plane and need use extra accessory or technology to form flow-disturbing angle shortcoming when the honeycomb plate is processed the wind turbines rotor blade, not only simplified the honeycomb plate and processed the technology of wind wheel blade but also reduced the cost that the honeycomb plate is processed wind wheel blade.The flow-disturbing angle can also following form be implemented on this basis:
As shown in Figure 5; First acute angle 412 and second acute angle, the 422 common flow-disturbing angles that form, second acute angle 422 is fitted with 413 shared limits, first obtuse angle with first acute angle 412 with 423 shared limits, second obtuse angle and is connected, and the summit of second acute angle 422 contacts with the summit of first acute angle 412; The summit at second obtuse angle 423 contacts with the summit at first obtuse angle 413; The Placement of the first honeycomb plate 1 and the second honeycomb plate 2 is that fastening piece is connected, and like rivet, rivet can be selected aluminum rivet.This mode of execution is the improvement on the aforementioned embodiments basis.The major advantage of this mode of execution is the intensity that can increase flow-disturbing the top of the horn end.
Further like Fig. 4, Fig. 5 and shown in Figure 6; Also comprise V-arrangement connected element 43; V-arrangement connected element 43 comprises first plane 431, second plane 432 and drift angle 433; It is inboard that drift angle 433 withstands the flow-disturbing angle, fits with the first honeycomb plate 1 and be connected in first plane 431, fits with the second honeycomb plate 2 and be connected in second plane 432.Having increased the V-arrangement connected element can be that the flow-disturbing angle obtains to support, and has increased the intensity at flow-disturbing angle, can prevent the flow-disturbing angular distortion simultaneously.V-arrangement connected element 43 can be the V-arrangement aluminium section bar, and the Placement of first plane 431 and the first honeycomb plate 1 can be a rivet, and second plane 432 can be that fastening piece is connected with the Placement of the second honeycomb plate 2, like rivet.On this basis; The first honeycomb plate 1 and the second honeycomb plate 2 have counterbore with V-arrangement connected element 43 joints; Have fastening piece to pass through on the first honeycomb plate 1 counterbore and be connected with first plane 431 of V-arrangement connected element 43, the counterbore that has fastening piece to pass through on the second honeycomb plate 2 is connected with second plane 432 of V-arrangement connected element 43.
Further; The honeycomb core height at place, first inclined-plane 411 is with the inclined-plane even variation; Second inclined-plane, 412 place's honeycomb core height are with the inclined-plane even variation; The honeycomb green wood comprises a plurality of hexagon cavitys, in the hexagon cavity of first inclined-plane, 411 place's honeycomb cores and in the hexagon cavity of second inclined-plane, 412 place's honeycomb cores the hard elastic packing material is arranged.Honeycomb core height makes voidlessness between place, inclined-plane panel and core with the inclined-plane even variation; Intensity is maintained in the place, inclined-plane to make the honeycomb plate; Perfusion hard elastic packing material can improve the intensity and the non-deformability at honeycomb plate and place, inclined-plane in the honeycomb core simultaneously, and then improves the intensity and the non-deformability at wind turbines rotor blade flow-disturbing angle 4.
Further, like Fig. 3 and shown in Figure 7, the housing cross section is a water droplet shape; Water droplet shape head is the windward side 5 of wind turbines rotor blade, and windward side 5 comprises that the first honeycomb plate 1 is identical with the second honeycomb plate, 2 thickness with the second honeycomb plate, 2, the first honeycomb plates 1; The first honeycomb plate 1 is connected with the second honeycomb plate 2; Its connection part forms between windward side 5, the first honeycomb plates 1 and the second honeycomb plate 2 has first connected element, and first connected element comprises:
First grooved profile 531 is identical with second grooved profile, 532 shapes with second grooved profile, 532, the first grooved profiles 531;
Because the Placement of first grooved profile 531 and the first honeycomb plate 1 is identical with the Placement of second grooved profile 532 and the second honeycomb plate 1; So sentencing first grooved profile 531 illustrates; Like Fig. 7 and Fig. 8; First grooved profile 531 comprises notch 5311 and bottom land 5312; First grooved profile, 531 notches, 5311 width are less than the thickness of the first honeycomb plate 1, and first grooved profile, 531 notches 5311 outwards are connected, and make between top plate 11 and the lower panel 12 that first grooved profile, 531 bottom lands 5312 embed the first honeycomb plate 1 and the notch 5311 of first grooved profile 531 is flushed with the first honeycomb plate, 1 edges of boards with the first honeycomb plate 1;
As shown in Figure 9; Also comprise polygonal section bar 533; Polygonal section bar 533 is divided into left side 5331 and right-hand part 5332 with its center line 5330; Left side 5331 and center line 5330 symmetries of right-hand part 5332 about polygonal section bar 533, left side 5331 shape of cross sections and first grooved profile, 531 shape of cross sections coupling, right-hand part 5332 shape of cross sections and second grooved profile, 532 shape of cross sections coupling; The left side 5331 of polygonal section bar 533 is stretched into first grooved profile 531 and is connected with it, and the right-hand part 5332 of polygonal section bar 533 stretches into second grooved profile 532 and is connected with it;
This Placement can change the radian of the first honeycomb plate 1 and the second honeycomb plate, 2 joint curved surfaces through the angle of adjusting first grooved profile 531 and second grooved profile 532 and embedding the first honeycomb plates 1 and the second honeycomb plate 2, with the connection of polygonal section bar 533 connection between the first honeycomb plate 1 and the second honeycomb plate 2 is strengthened through first grooved profile 531 and second grooved profile 532 simultaneously.
Further, have between encapsulant layer 561, the second grooved profiles 532 and the second honeycomb plate 2 between first grooved profile 531 and the first honeycomb plate 1 encapsulant layer 562 is arranged.Encapsulant layer 561 and 562 plays the effect of filling up slit between first grooved profile 531 and second grooved profile 532 and the first honeycomb plate 1 and the second honeycomb plate 2; Especially can first grooved profile 531 and first honeycomb plate 1 between or second grooved profile 532 and second honeycomb plate 2 between produce bigger slit through the angle adjusting first grooved profile 531 and second grooved profile 532 and embed the first honeycomb plates 1 and the second honeycomb plate 2 when changing the radian of the first honeycomb plate 1 and the second honeycomb plate, 2 joint curved surfaces at needs, can fill up this moment through encapsulant layer 561 and 562.
Further, between the polygonal section bar 533 and first grooved profile 531 and second grooved profile 532 encapsulant layer 57 is arranged.Encapsulant layer 57 can be regulated the slit between polygonal section bar 533 and first grooved profile 531 and second grooved profile 532; Especially needs through the angle adjusting first grooved profile 531 and second grooved profile 532 and embed the first honeycomb plates 1 and the second honeycomb plate 2 when changing the radian of the first honeycomb plate 1 and the second honeycomb plate, 2 joint curved surfaces; Possibly produce bigger slit between first grooved profile 531 and second grooved profile 532 and the polygonal section bar 533, can fill up this moment through encapsulant layer 57
Further; First grooved profile 531 comprises both sides cell wall 5313 and 5314; A pair of counterbore 541 penetrates the both sides cell wall 5313 and 5314 of top plate 11, lower panel 12 and first grooved profile 531 of the first honeycomb plate 1 respectively, and passes this fastening piece 551 of counterbore 541 left side 5331 with the first honeycomb plate 1, first grooved profile 531 and polygonal section bar 533 is linked together through a pair of; On this basis; Second grooved profile 532 comprises the both sides cell wall; A pair of counterbore 542 penetrates the both sides cell wall of top plate 21, lower panel 22 and second grooved profile 532 of the second honeycomb plate 2 respectively, and passes this fastening piece 552 of counterbore 542 right-hand part 5332 with the second honeycomb plate 2, second grooved profile 532 and polygonal section bar 533 is linked together through a pair of.Be connected the joint surfacing that can make the first honeycomb plate 1 and the second honeycomb plate 2 with 542 and fastening piece 551 and 552 through counterbore 541, make things convenient for surface treatment and do not influence the aerodynamic performance of wind wheel blade windward side.
Further, first grooved profile 531 and second grooved profile 532 can be C shape section bars, and polygonal section bar 533 can be the rectangle section bar.C shape section bar and rectangle section bar are prone to obtain, and C shape section bar is convenient to embed honeycomb plate edges of boards, and difficulty of processing of the present invention is reduced.
As improved, first grooved profile 531 and second grooved profile 532 can be the V-arrangement section bars, and polygonal section bar 533 can be the rhombus section bar.The V-arrangement section bar is more convenient for adjusting the angle that embeds the honeycomb plate; Can realize the curved surface of multiple radian; Can be when the V-arrangement section bar embeds honeycomb plate edges of boards with the honeycomb core part place to go of honeycomb plate; The groove of V-arrangement section bar is held in formation, at fixed processing counterbore 541 with can in the chamber of honeycomb core, pour into packing material at 542 o'clock to increase the intensity of honeycomb core.
Further; Housing can be made up of the multistage splicing; Shown in figure 10; The first honeycomb plate of piece housing was a leading portion honeycomb plate 61 in the past, and the first honeycomb plate of later piece housing is a back honeycomb plate 62, preceding honeycomb plate 61 and 62 splicings of back honeycomb plate; Top plate 621 amalgamations of the top plate 611 of preceding honeycomb plate 61 and back honeycomb plate 62; Lower panel 622 amalgamations of the lower panel 612 of preceding honeycomb plate 61 and back honeycomb plate 62, the honeycomb core 623 of the honeycomb core 613 of preceding honeycomb plate 61 and back honeycomb plate 62 has the 3rd connected element in splicing the position applying between preceding honeycomb plate 61 and the back honeycomb plate 62; The 3rd connected element is top connecting plate 631 and bottom connecting plate 632; Top connecting plate 631 covers the amalgamation seam of top plate 611 with the top plate 621 of back honeycomb plate 62 of preceding honeycomb plate 61, and is connected with back honeycomb plate 62 top plates 621 with preceding honeycomb plate 61 top plates 611, and bottom connecting plate 632 covers the amalgamation seam of lower panel 612 with the lower panel 622 of back honeycomb plate 62 of preceding honeycomb plate 61; And be connected with back honeycomb plate 62 lower panels 622 with preceding honeycomb plate 61 lower panels 612, the Placement between the second honeycomb plate of two-piece housing is identical with the Placement of the first honeycomb plate of two-piece housing.Top connecting plate 631 is bonding with the top plate 611 of preceding honeycomb plate 61 and the Placement of the top plate 621 of back honeycomb plate 62; Top connecting plate 631 has adhesives layer 641 with the top plate 611 of preceding honeycomb plate 61 and the connection part of the top plate 621 of back honeycomb plate 62; Bottom connecting plate 632 is bonding with the lower panel 612 of preceding honeycomb plate 61 and the Placement of the lower panel 622 of back honeycomb plate 62, and bottom connecting plate 632 has adhesives layer 642 with the lower panel 612 of preceding honeycomb plate 61 and the connection part of the lower panel 622 of back honeycomb plate 62.The advantage of this connecting method is; Inevitably can there be the slit in current honeycomb plate 61 when splicing with back honeycomb plate 62; And the slit that top connecting plate 631 and bottom connecting plate 632 can be with preceding honeycomb plate 61 produce during with 62 splicings of back honeycomb plate covers; Simultaneously owing to adhesives layer 641 and 642 can infiltrate when applying in the slit that produces when preceding honeycomb plate 61 splices with back honeycomb plate 62; And flow in the honeycomb core 623 of honeycomb core 613 and back honeycomb plate 62 of preceding honeycomb plate 61 of stitching position; Produce firm be connected between the honeycomb core 623 of honeycomb core 613 and back honeycomb plate 62 of honeycomb plate 61 along with binder solidifies before making, and the slit that preceding honeycomb plate 61 is produced during with back honeycomb plate 62 amalgamations fills up, so before making honeycomb plate 61 with after the splicing of honeycomb plate 62 more firm.
Further; Shown in figure 11; The amalgamation seam of the top plate 611 of honeycomb plate 61 and the top plate 621 of back honeycomb plate 62 was towards the one side of honeycomb core 613 and 623 before top connecting plate 631 covered, and the amalgamation seam of the lower panel 612 of honeycomb plate 61 and the lower panel 622 of back honeycomb plate 62 was towards the one side of honeycomb core 613 and 623 before bottom connecting plate 632 covered.This kind splicing form can make the stitching section site surface of the first honeycomb plate 1 and the second honeycomb plate 2 smooth, as far as the wind turbines rotor blade, neither influences the aerodynamic performance of whole workpiece, is convenient to carry out surface treatment again.On this basis; Length before top connecting plate 631 stretches between honeycomb plate 61 top plates 611 and the honeycomb core 613 and its stretch into the equal in length between back honeycomb plate 62 top plates 621 and the honeycomb core 623, and the length before bottom connecting plate 632 stretches between honeycomb plate 61 lower panels 612 and the honeycomb core 613 and its stretch into the equal in length between back honeycomb plate 62 lower panels 622 and the honeycomb core 623.The splicing of this form makes top connecting plate 631 stressed even with bottom connecting plate 632, can prevent that distortion from appearring in top connecting plate 631 and bottom connecting plate 632.
Further, top connecting plate 631 can have polylith, and polylith top connecting plate 631 is long strip and connects preceding honeycomb plate 61 top plates 611 and back honeycomb plate 62 top plates 621 each other at certain intervals.Bottom connecting plate 632 can have polylith, and bottom connecting plate 632 is long strip and connects preceding honeycomb plate 61 lower panels 612 and back honeycomb plate 62 lower panels 622 each other at certain intervals.Through selecting the stronger binder of bonding strength can reduce the bond area of top connecting plate 631 and bottom connecting plate 632; Can reduce the size of top connecting plate 631 and bottom connecting plate 632; So not only can alleviate the overall weight of workpiece; And at top connecting plate 631 and bottom connecting plate 632 in the mode of execution of honeycomb core 613 and 623; Width small upper connecting plate 631 is pressed in honeycomb core 613 and 623 with bottom connecting plate 632 more easily, has simplified production technology.
Further, shown in figure 12, make an explanation at this counterbore that preamble is mentioned; The honeycomb plate of offering counterbore is called honeycomb plate to be connected, need are called link 82 with the section bar that honeycomb plate to be connected is connected, band connects the honeycomb plate and comprises top plate to be connected 811, lower panel to be connected 812 and honeycomb core 813 to be connected; Honeycomb core 813 to be connected comprises a plurality of hexagon chambers; Counterbore comprises linkage structure, and linkage structure comprises back-up coat 831 and through hole 832, and back-up coat 831 mainly is made up of honeycomb core 813 to be connected and the reinforcing encapsulant layer in the hexagon chamber; Reinforce encapsulant layer and be full of the hexagon chamber; Reinforcing encapsulant layer is the hard elastic encapsulant layer, and back-up coat 831 areas are less than the area of honeycomb plate to be connected, and back-up coat 831 areas are greater than the area of contact of link 82 with honeycomb plate connection part to be connected; Through hole 832 penetrate top plate to be connected 811, to be connected below 812 plates and back-up coat 831; Through hole 832 comprises step 8321, and step 8321 is positioned at the side that honeycomb plate to be connected is not connected with link 82, and an available fastening piece 84 passes through hole 832 honeycomb plate to be connected is connected with link 82.Because the honeycomb core of honeycomb plate is generally the thin-walled porous material; Be difficult to adopt conventional fastener to connect; So existing honeycomb board connecting structure generally is to connect with link with upper and lower panel, the linkage structure of this form is easy to the connection part generation distortion at upper and lower panel owing to only connect the upper and lower panel of honeycomb plate.The counterbore that the present invention describes adopts encapsulant layer that the hexagon cavity of the honeycomb core in certain zone on the honeycomb plate is filled up the formation back-up coat; This regional honeycomb core intensity is increased; Be easy to realize the Placement that adopts conventional fastener to be connected with connected element; The possibility of distortion appears in the connection part that has so just reduced honeycomb plate and link; Preferably, encapsulant layer can be the hard elastic encapsulant layer, and the possibility of distortion appears in the connection part that can further reduce honeycomb plate and link like this.On this basis, the back-up coat area can improve the intensity of honeycomb plate and link connection part like this greater than the area of contact of link and honeycomb plate connection part.
The further first honeycomb plate 1 can be an aluminium honeycomb plate with the said second honeycomb plate 2.Aluminium honeycomb plate light weight compression resistance is strong, is the preferred material of making the wind turbines rotor blade.
Further, hull outside coats protective coating, coats protective coating and can prevent wind turbines rotor blade aging, corrosion.Preferably, protective coating can be an epoxy coating.Adhesion of epoxy resin is strong, and cure shrinkage is little, good stability, and chemical proof property is good, and good again heat resistance is suitable as wind turbines rotor blade outer layer protection cladding material simultaneously.
The above is merely preferred embodiment of the present invention, is not so limits claim of the present invention, so the equivalent structure that all utilizations specification of the present invention and diagramatic content have been done changes, all is included in protection scope of the present invention.
Claims (24)
1. honeycomb plate wind turbines rotor blade; Comprise housing and inner supporting structure, said housing is mainly combined by upper half shell and lower half shell, and said inner supporting structure places in the said housing and with the support zone of said upper half shell and said lower half shell and is connected respectively; It is characterized in that; Said upper half shell is bent to form by the first honeycomb plate, and said lower half shell is bent to form by the second honeycomb plate, and the said first honeycomb plate, the second honeycomb plate comprise top plate, lower panel and honeycomb core; Said honeycomb core places on the said lower panel and with said lower panel and fits tightly; Said top plate is overlying on the said honeycomb core, and fits tightly with said honeycomb core, and said inner supporting structure is a metal section; Metal section vertically connects the inboard of said housing head and the inboard of afterbody, and is connected with said inner walls with limited the strong point with each cross section the afterbody inboard except that inner portion in said housing.
2. honeycomb plate wind turbines rotor blade according to claim 1; It is characterized in that; Said housing cross section is a water droplet shape, and said water droplet shape afterbody is the flow-disturbing angle of said wind turbines rotor blade, and said flow-disturbing angle is mainly combined by the first honeycomb plate and the second honeycomb plate; The said first honeycomb plate comprises first inclined-plane; Said first inclined-plane forms first acute angle and first obtuse angle on its cross section; Corresponding said first acute angle of the said first inclined-plane cross section forms said flow-disturbing angle; The said second honeycomb plate comprises second inclined-plane; Said second inclined-plane forms second acute angle and second obtuse angle on its cross section, said second acute angle is not fitted with the shared one side of said first acute angle with said first obtuse angle with shared one side, said second obtuse angle and is connected, and the summit of said second acute angle contacts with the summit at said first obtuse angle.
3. honeycomb plate wind turbines rotor blade according to claim 1; It is characterized in that said housing cross section is a water droplet shape, said water droplet shape head is the windward side of said wind turbines rotor blade; Said windward side comprises the first honeycomb plate and the second honeycomb plate; The said first honeycomb plate is identical with the said second honeycomb plate thickness, and the said first honeycomb plate is connected with the said second honeycomb plate, and its connection part forms said windward side; Between the said first honeycomb plate and the second honeycomb plate first connected element is arranged, said first connected element comprises:
First grooved profile and second grooved profile, said first grooved profile is identical with the said second grooved profile shape;
Said first grooved profile comprises notch and bottom land; The said first grooved profile width of rebate is less than the thickness of the said first honeycomb plate; The said first grooved profile notch outwards is connected with the said first honeycomb plate, and makes the said first grooved profile bottom land embed between the upper and lower panel of the said first honeycomb plate and the notch of said first grooved profile is flushed with the said first honeycomb plate edges of boards;
Said second grooved profile comprises notch and bottom land; The said second grooved profile width of rebate is less than the thickness of the said second honeycomb plate; The said second grooved profile notch outwards is connected with the said second honeycomb plate, and makes the said second grooved profile bottom land embed between the upper and lower panel of the said second honeycomb plate and the notch of said second grooved profile is flushed with the said second honeycomb plate edges of boards;
Also comprise the polygonal section bar; Said polygonal section bar is divided into left side and right-hand part with its center line; Said left side and said right-hand part are about the center line symmetry of said polygonal section bar; Said left side shape of cross section and said first grooved profile shape of cross section coupling; Said right-hand part shape of cross section and said second grooved profile shape of cross section coupling, the left side of said polygonal section bar is stretched into said first grooved profile and is connected with it, and the right-hand part of said polygonal section bar stretches into said second grooved profile and is connected with it.
4. honeycomb plate wind turbines rotor blade according to claim 1; It is characterized in that; Said housing is made up of the multistage splicing; The said first honeycomb plate of piece housing was a leading portion honeycomb plate in the past, and the said first honeycomb plate of later piece housing is a back honeycomb plate, said preceding honeycomb plate and the honeycomb plate splicing of said back; The top plate amalgamation of the top plate of honeycomb plate and said back honeycomb plate before said; The lower panel amalgamation of the lower panel of honeycomb plate and said back honeycomb plate before said, said before the honeycomb core of honeycomb plate fit in the splicing position with the honeycomb core of said back honeycomb plate, said preceding honeycomb plate and said after the 3rd connected element is arranged between the honeycomb plate; Said the 3rd connected element is top connecting plate and bottom connecting plate; Said top connecting plate cover said before the amalgamation seam of top plate of top plate and said back honeycomb plate of honeycomb plate, and with said before honeycomb plate top plate is connected with said back honeycomb plate top plate, said bottom connecting plate cover said before the honeycomb plate lower panel and said after the amalgamation seam of lower panel of honeycomb plate; And with said before honeycomb plate lower panel be connected with said back honeycomb plate lower panel, the Placement between the said second honeycomb plate of two-piece housing is identical with the Placement of the said first honeycomb plate of two-piece housing.
5. like the said honeycomb plate of claim 2 wind turbines rotor blade; It is characterized in that; The common said flow-disturbing angle that forms of said first acute angle and said second acute angle; Fit with the shared limit in said first acute angle and said first obtuse angle and be connected in the shared limit in said second acute angle and said second obtuse angle, and the summit of second acute angle contacts with the summit of said first acute angle, and the summit at said second obtuse angle contacts with the summit at said first obtuse angle.
6. like the said honeycomb plate of claim 2 wind turbines rotor blade, it is characterized in that the Placement of said first honeycomb plate and the said second honeycomb plate is that fastening piece is connected.
7. like the said honeycomb plate of claim 3 wind turbines rotor blade, it is characterized in that between said first grooved profile and the said first honeycomb plate encapsulant layer being arranged, between said second grooved profile and the said second honeycomb plate encapsulant layer is arranged.
8. like the said honeycomb plate of claim 3 wind turbines rotor blade, it is characterized in that between said polygonal section bar and said first grooved profile and said second grooved profile encapsulant layer being arranged.
9. like the said honeycomb plate of claim 3 wind turbines rotor blade; It is characterized in that; Said first grooved profile comprises the both sides cell wall; A pair of counterbore penetrates the upper and lower panel of the said first honeycomb plate and the both sides cell wall of said first grooved profile respectively, and passes this fastening piece of counterbore left side with the said first honeycomb plate, said first grooved profile and said polygonal section bar is linked together through a pair of.
10. like the said honeycomb plate of claim 3 wind turbines rotor blade; It is characterized in that; Said second grooved profile comprises the both sides cell wall; A pair of counterbore penetrates the upper and lower panel of the said second honeycomb plate and the both sides cell wall of said second grooved profile respectively, and passes this fastening piece of counterbore right-hand part with the said second honeycomb plate, said second grooved profile and said polygonal section bar is linked together through a pair of.
11. like the said honeycomb plate of claim 4 wind turbines rotor blade; It is characterized in that; Said top connecting plate cover said before the amalgamation seam of top plate of top plate and said back honeycomb plate of honeycomb plate towards the one side of said honeycomb core, said bottom connecting plate cover said before the amalgamation seam of lower panel of lower panel and said back honeycomb plate of honeycomb plate towards the one side of said honeycomb core.
12. like the said honeycomb plate of claim 4 wind turbines rotor blade; It is characterized in that; Said top connecting plate has polylith; Said polylith top connecting plate be long strip and connect at certain intervals each other said before honeycomb plate top plate and said back honeycomb plate top plate, said bottom connecting plate has polylith, said polylith bottom connecting plate be long strip and connect at certain intervals each other said before honeycomb plate lower panel and said back honeycomb plate lower panel.
13. like the said honeycomb plate of claim 4 wind turbines rotor blade; It is characterized in that; The Placement of the top plate of the top plate of said top connecting plate and said preceding honeycomb plate and said back honeycomb plate is bonding, and the Placement of the lower panel of the lower panel of said bottom connecting plate and said preceding honeycomb plate and said back honeycomb plate is bonding.
14. like claim 2,5 or 6 said honeycomb plate wind turbines rotor blades; It is characterized in that; Also comprise the V-arrangement connected element, said V-arrangement connected element comprises first plane, second plane and drift angle, and it is inboard that said drift angle withstands said flow-disturbing angle; Fitting with the said first honeycomb plate and be connected in said first plane, fits with the said second honeycomb plate and be connected in said second plane.
15. like arbitrary said honeycomb plate wind turbines rotor blade among the claim 7-10, it is characterized in that said first grooved profile and said second grooved profile are C shape section bar, said polygonal section bar is the rectangle section bar.
16. like arbitrary said honeycomb plate wind turbines rotor blade among the claim 7-10, it is characterized in that said first grooved profile and said second grooved profile are the V-arrangement section bar, said polygonal section bar is the rhombus section bar.
17. like arbitrary said honeycomb plate wind turbines rotor blade among the claim 11-13; It is characterized in that; Said top connecting plate stretch into said before length between honeycomb plate top plate and the said honeycomb core stretch into the equal in length between said back honeycomb plate top plate and the said honeycomb core with it, said bottom connecting plate stretch into said before length and its between honeycomb plate lower panel and the said honeycomb core stretch into the equal in length between said honeycomb plate lower panel afterwards and the said honeycomb core.
18. like the said honeycomb plate of claim 14 wind turbines rotor blade; It is characterized in that; There is counterbore said first honeycomb plate and the said second honeycomb plate and said V-arrangement connected element joint; The counterbore that has fastening piece to pass through on the said first honeycomb plate is connected with first plane of said V-arrangement connected element, and the counterbore that has fastening piece to pass through on the said second honeycomb plate is connected with second plane of said V-arrangement connected element.
19., it is characterized in that the said honeycomb core height at place, said first inclined-plane is with the inclined-plane even variation like the said honeycomb plate of claim 14 wind turbines rotor blade, place, said second inclined-plane honeycomb core height is with the inclined-plane even variation.
20. like the said honeycomb plate of claim 14 wind turbines rotor blade; It is characterized in that; Said honeycomb green wood comprises a plurality of hexagon cavitys, in the hexagon cavity of place, said first inclined-plane honeycomb core and in the hexagon cavity of place, said second inclined-plane honeycomb core hard elastic packing material is arranged.
21. like the said honeycomb plate of claim 18 wind turbines rotor blade; It is characterized in that, the honeycomb plate of offering said counterbore is called honeycomb plate to be connected, need are called link with the section bar that said honeycomb plate to be connected is connected; Said band connects the honeycomb plate and comprises top plate to be connected, lower panel to be connected and honeycomb core to be connected; Said honeycomb core to be connected comprises a plurality of hexagon chambers, and said counterbore comprises linkage structure, and said linkage structure comprises back-up coat and through hole; Said back-up coat mainly is made up of the reinforcing encapsulant layer in said honeycomb core to be connected and the said hexagon chamber; Said reinforcing encapsulant layer is full of said hexagon chamber, and said reinforcing encapsulant layer is the hard elastic encapsulant layer, and said back-up coat area is less than the area of said honeycomb plate to be connected; Said back-up coat area is greater than the area of contact of said link and said honeycomb plate connection part to be connected; Said through hole penetrates said top plate to be connected, lower panel to be connected and said back-up coat, and said through hole comprises step, and said step is positioned at the side that said honeycomb plate to be connected is not connected with said link.
22., it is characterized in that said first honeycomb plate and the said second honeycomb plate are aluminium honeycomb plate like arbitrary said honeycomb plate wind turbines rotor blade among the claim 1-13.
23., it is characterized in that said hull outside coats protective coating like arbitrary said honeycomb plate wind turbines rotor blade among the claim 1-13.
24., it is characterized in that said protective coating is an epoxy coating like the said honeycomb plate of claim 23 wind turbines rotor blade.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110206398A CN102312797A (en) | 2011-07-22 | 2011-07-22 | Honeycomb board wind power generator wind wheel blade |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110206398A CN102312797A (en) | 2011-07-22 | 2011-07-22 | Honeycomb board wind power generator wind wheel blade |
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| CN102312797A true CN102312797A (en) | 2012-01-11 |
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| EP1159534B1 (en) * | 1999-02-25 | 2003-08-13 | United Technologies Corporation | Vibration-driven acoustic jet controlling boundary layer separation |
| JP2004225590A (en) * | 2003-01-22 | 2004-08-12 | Akira Haruhara | Honeycomb wing structure body and method for manufacturing the same |
| US20100074726A1 (en) * | 2008-09-19 | 2010-03-25 | Merrill Gary B | Gas turbine airfoil |
| CN101725464A (en) * | 2008-10-17 | 2010-06-09 | 中国科学院宁波材料技术与工程研究所 | Method for making vane of wind-driven generator by adopting ultra-high strength polyethylene fiber composites |
| CN202165225U (en) * | 2011-07-22 | 2012-03-14 | 上海庆华蜂巢建材有限公司 | Honeycomb-board wind rotor blade of wind generator |
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2011
- 2011-07-22 CN CN201110206398A patent/CN102312797A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1159534B1 (en) * | 1999-02-25 | 2003-08-13 | United Technologies Corporation | Vibration-driven acoustic jet controlling boundary layer separation |
| JP2004225590A (en) * | 2003-01-22 | 2004-08-12 | Akira Haruhara | Honeycomb wing structure body and method for manufacturing the same |
| US20100074726A1 (en) * | 2008-09-19 | 2010-03-25 | Merrill Gary B | Gas turbine airfoil |
| CN101725464A (en) * | 2008-10-17 | 2010-06-09 | 中国科学院宁波材料技术与工程研究所 | Method for making vane of wind-driven generator by adopting ultra-high strength polyethylene fiber composites |
| CN202165225U (en) * | 2011-07-22 | 2012-03-14 | 上海庆华蜂巢建材有限公司 | Honeycomb-board wind rotor blade of wind generator |
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Application publication date: 20120111 |