CN202811193U - Blade of vertical-axis wind-driven generator - Google Patents
Blade of vertical-axis wind-driven generator Download PDFInfo
- Publication number
- CN202811193U CN202811193U CN 201220367841 CN201220367841U CN202811193U CN 202811193 U CN202811193 U CN 202811193U CN 201220367841 CN201220367841 CN 201220367841 CN 201220367841 U CN201220367841 U CN 201220367841U CN 202811193 U CN202811193 U CN 202811193U
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- blade
- driven generator
- resin
- metal layer
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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
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
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Abstract
The utility model discloses a blade of a vertical-axis wind-driven generator. The blade comprises a three-layer structure. An outer layer is a metal layer, a middle layer is a gradient composite material layer, and the inner layer is made of low-density porous foam sandwiched material. The metal layer high in strength is scratch-resistant and bearable to impact of hard objects, the middle layer, namely the gradient composite material layer has the advantages of high rigidity and strength and excellent dampness, the inside low-density porous foam sandwiched material and the gradient composite material layer together form a sandwiched structure and can shear when outside load acts on the same, and accordingly rigidity is further increased. In addition, the porous structure of the foam material can absorb load applied to the blade due to abrupt impact and vibration, and accordingly operation safety and reliability of the blade are guaranteed.
Description
Technical field
The utility model relates to the technical field of vertical axis aerogenerator, refers in particular to a kind of vane of vertical shaft wind-driven generator.
Background technique
Vane of vertical shaft wind-driven generator generally replaces original metallic material preparation with the high-strength fibre-reinforced polymer matrix composites such as carbon fiber, glass fibre at present.Compare with metallic material, fiber-reinforced resin matrix compound material has that density is low, excellent anti-corrosion performance, specific strength, specific modulus advantages of higher, therefore is widely used.But composite material also exists many shortcomings, and namely the surface hardness owing to composite material is lower, not damage resistant, blade is in operation process, constantly be subject to bump, the friction of dust storm, hard thing, stay very dark indenture at blade surface easily, have a strong impact on the aeroperformance of blade.
In addition, vane of vertical shaft wind-driven generator is in operation process, and therefore its windward side and lee face need blade to have good rigidity and damping capacity in being in and constantly alternately changing.Good rigidity guarantees that large deformation does not occur blade, improves generating efficiency; High damping capacity can lower otherwise have very large noise, and surrounding environment is made a big impact.
Therefore need a kind of vane of vertical shaft wind-driven generator structure of design, on the basis that keeps former composite material advantage, improve surface hardness, integral rigidity and the damping capacity of composite frame pipe.
Summary of the invention
For overcoming the deficiencies in the prior art, the utility model provides a kind of vane of vertical shaft wind-driven generator, on the basis that keeps composite material light, the characteristics such as high-strength, improves surface hardness, integral rigidity and the damping capacity of composite frame pipe.
The technical solution of the utility model realizes by following means:
A kind of vane of vertical shaft wind-driven generator is characterized in that: include three-decker, skin is the layer of metal layer, and the mesosphere is the gradient composites layer, and inside is the low density foam sandwich material bed of material.
Described metal layer is aluminum alloy, titanium alloy, steel or other metallic material; The described low density foam sandwich material bed of material includes but not limited to polyethylene, polypropylene foam, polyurethane foam, phenol formaldehyde foam, styrenic foams or polyvinyl chloride foam; Described gradient composites layer comprises reinforcing fiber and matrix resin, described reinforcing fiber is one or more in carbon fiber, glass fibre, aramid fibre, basalt fibre or other fiber, described matrix resin is the co-mixing system of thermosetting resin and elastomer resin, in the side near metal layer, be the fiber reinforced thermosetting resin composite material, in the side near sandwich material, be fiber reinforcement elastomer resin composite material, be transition portion between the two, thermosetting resin becomes graded with the content of elastomer resin.
Described thermosetting resin is one or more in unsaturated resin, epoxy resin, vinyl ester resin, phenolic resin or other resin; Described elastomer resin is one or more in polyurethane elastomer, phenylethylene elastomer, olefin type elastomer or other elastomeric materials.
The preparation method of described a kind of vane of vertical shaft wind-driven generator, it is characterized in that: first at die for molding gradient composites layer, then first make layer of metal layer in method making or the employing of gradient composites layer forming metal layer on surface at die surface by melting spraying, plating, electroforming or other technique, and then the method for molding gradient composite layer is made on the basis of this layer; Inner foam core material obtains by directly foaming in inside behind the gradient composites formable layer, or by foamed material being processed into required shape, sticking with glue agent and carry out foam core material and gradient composites layer bonding; The making step of gradient composites layer is: according to different proportionings, thermosetting resin and elastomer resin are carried out blend, be prepared into resin adhesive liquid, apply the resin adhesive liquid of preparing on the fibre cloth surface, every one deck or which floor corresponding different proportioning, then spread in order and apply on mould, make the resin adhesive liquid proportioning present graded, then adopt the techniques such as hot pressing, inflation, pultrusion to carry out moulding; In forming process, mutual flowing within the specific limits can occur in resin adhesive liquid, presents the composite material that continuous gradient changes thereby make composition.
The beneficial effects of the utility model: a kind of vane of vertical shaft wind-driven generator of the present utility model, its outermost surface is metal layer, has higher hardness, but damage resistant and the bump that bears hard thing.The centre is the gradient composites layer, and same with thermosetting compound material provides good rigidity and intensity, and elastic composite provides excellent damping capacity, and the component that continuous gradient changes can be avoided the interfacial stress of thermosetting property and elastic composite.Inner low density porous foam core forms sandwich structure with composite layer, does the time spent being subject to external load, and shear action can occur for both, has further improved rigidity.In addition, the porous structure of foamed material can absorb because of impacted suddenly, shock effect is applied to the load on the blade, ensures the safety reliability of blade operation.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the schematic cross-section of a kind of vane of vertical shaft wind-driven generator of the utility model;
Among the figure: 1 outer layer metal layer, 2 gradient composites layers, the 3 low density foam sandwich material bed of materials.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described further.Accompanying drawing is a kind of specific embodiment of the present utility model.This embodiment is a kind of vane of vertical shaft wind-driven generator, it is characterized in that: include three-decker, skin is layer of metal layer 1, and the mesosphere is gradient composites layer 2, and inside is the low density foam sandwich material bed of material 3.Described metal layer 1 is aluminum alloy, titanium alloy, steel or other metallic material; Described low density porous foam core material layer 3 includes but not limited to polyethylene, polypropylene foam, polyurethane foam, phenol formaldehyde foam, styrenic foams or polyvinyl chloride foam; Described gradient composites layer 2 comprises reinforcing fiber and matrix resin, described reinforcing fiber be carbon fiber, glass fibre, aramid fibre, basalt fibre or other fiber in one or more, described matrix resin is the co-mixing system of thermosetting resin and elastomer resin, in the side near metal layer, be the fiber reinforced thermosetting resin composite material, in the side near sandwich material, be fiber reinforcement elastomer resin composite material, be transition portion between the two, thermosetting resin becomes graded with the content of elastomer resin.Described thermosetting resin is one or more in unsaturated resin, epoxy resin, vinyl ester resin, phenolic resin or other resin; Described elastomer resin is one or more in polyurethane elastomer, phenylethylene elastomer, olefin type elastomer or other elastomeric materials.
The preparation method of described a kind of vane of vertical shaft wind-driven generator, it is characterized in that: first at die for molding gradient composites layer 2, then first make layer of metal layer 1 in method making or the employing of gradient composites layer forming metal layer on surface 1 at die surface by melting spraying, plating, electroforming or other technique, and then the method for molding gradient composite layer 2 is made on the basis of this layer; Inner foam core material layer 3 obtains by directly foaming in inside after 2 moulding of gradient composites layer, or by foamed material being processed into required shape, sticking with glue agent and carry out foam core material layer 3 and gradient composites layer 2 bonding; The making step of gradient composites layer 2 is: according to different proportionings, thermosetting resin and elastomer resin are carried out blend, be prepared into resin adhesive liquid, apply the resin adhesive liquid of preparing on the fibre cloth surface, every one deck or which floor corresponding different proportioning, then spread in order and apply on mould, make the resin adhesive liquid proportioning present graded, then adopt the techniques such as hot pressing, inflation, pultrusion to carry out moulding; In forming process, mutual flowing within the specific limits can occur in resin adhesive liquid, presents the composite material that continuous gradient changes thereby make composition.
Following embodiment only is used for the preparation process of explanation the utility model vane of vertical shaft wind-driven generator, is not used in restriction scope of the present utility model.
Embodiment 1:
Make the gradient composites layer by moulding process such as pultrusion, inflation, hot pressing, and form the layer of metal layer by melting spraying, plating, electroforming or other technique on gradient composites layer surface.The required raw material of an amount of frostproof froth n are packed in the gradient composites layer, and foam, make foam fill up the blade cavity.
Embodiment 2:
At shaping die surface spraying layer of metal layer, lay fabric and brushing resin adhesive liquid at this metal layer, or directly lay prepreg, lays complete after, the mould matched moulds pressurizes, the demoulding behind resin solidification.The required raw material of an amount of frostproof froth n are packed in the gradient composites layer, and foam, make foam fill up the blade cavity.
Embodiment 3:
Make the gradient composites layer by moulding process such as pultrusion, inflation, hot pressing, and form the layer of metal layer on the surface by melting spraying, plating, electroforming or other technique.Select suitable foamed material to be machined to and be slightly less than the composite layer Inner Dimension, surperficial adhesive coating also inserts composite layer inside, is heating and curing.
Embodiment 4:
At shaping die surface spraying layer of metal layer, lay fabric and brushing resin adhesive liquid at this metal layer, or directly lay prepreg, lays complete after, the mould matched moulds pressurizes, the demoulding behind resin solidification.Select suitable foamed material to be machined to and be slightly less than the composite layer Inner Dimension, surperficial adhesive coating also inserts composite layer inside, is heating and curing.
Claims (2)
1. vane of vertical shaft wind-driven generator, it is characterized in that: include three-decker, skin is the layer of metal layer, and the mesosphere is the gradient composites layer, inside is the low density foam sandwich material bed of material.
2. a kind of vane of vertical shaft wind-driven generator according to claim 1, it is characterized in that: described gradient composites layer, in the side near metal layer, be the fiber reinforced thermosetting resin composite layer, in the side near the low density foam sandwich material bed of material, being fiber reinforcement elastomer resin composite layer, is gradient transitional lay between the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220367841 CN202811193U (en) | 2012-07-27 | 2012-07-27 | Blade of vertical-axis wind-driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220367841 CN202811193U (en) | 2012-07-27 | 2012-07-27 | Blade of vertical-axis wind-driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202811193U true CN202811193U (en) | 2013-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220367841 Expired - Fee Related CN202811193U (en) | 2012-07-27 | 2012-07-27 | Blade of vertical-axis wind-driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202811193U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767471A (en) * | 2012-07-27 | 2012-11-07 | 山东泰山瑞豹复合材料有限公司 | Vertical axis wind power generator blade and manufacturing method thereof |
| EP3098438B1 (en) * | 2015-05-28 | 2019-12-04 | MHI Vestas Offshore Wind A/S | Wind turbine blade and wind turbine power generating apparatus, and method of producing or retrofitting wind turbine blade |
-
2012
- 2012-07-27 CN CN 201220367841 patent/CN202811193U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767471A (en) * | 2012-07-27 | 2012-11-07 | 山东泰山瑞豹复合材料有限公司 | Vertical axis wind power generator blade and manufacturing method thereof |
| CN102767471B (en) * | 2012-07-27 | 2014-03-26 | 山东泰山瑞豹复合材料有限公司 | Vertical axis wind power generator blade and manufacturing method thereof |
| EP3098438B1 (en) * | 2015-05-28 | 2019-12-04 | MHI Vestas Offshore Wind A/S | Wind turbine blade and wind turbine power generating apparatus, and method of producing or retrofitting wind turbine blade |
| US10844843B2 (en) | 2015-05-28 | 2020-11-24 | Mhi Vestas Offshore Wind A/S | Wind turbine blade and wind turbine power generating apparatus, and method of producing or retrofitting wind turbine blade |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20160727 |