CN203114512U - Wind driven generator blade using sheet film plastic - Google Patents
Wind driven generator blade using sheet film plastic Download PDFInfo
- Publication number
- CN203114512U CN203114512U CN201320096044XU CN201320096044U CN203114512U CN 203114512 U CN203114512 U CN 203114512U CN 201320096044X U CN201320096044X U CN 201320096044XU CN 201320096044 U CN201320096044 U CN 201320096044U CN 203114512 U CN203114512 U CN 203114512U
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- China
- Prior art keywords
- blade
- driven generator
- wind
- layer
- wind driven
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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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Abstract
The utility model provides a wind driven generator blade using sheet film plastic. The wind driven generator blade using the sheet film plastic comprises a structural layer and a filling layer. The structural layer adopts sheet film plastic and the filling layer adopts light materials. The wind driven generator blade replaces a wind driven generator blade substantially using balsa wood or polyvinyl chloride (PVC) foam in the prior art.
Description
Technical field
The utility model relates to a kind of rotor blade of wind generating unit, relates in particular to a kind of rotor blade that uses the wind generating unit of sheet molding compound.
Background technique
Present wind power generation field mainly is divided into two big fields: generate electricity by way of merging two or more grid systems and generate electricity from net.The former mainly refers to the large-scale wind power field of centralized power generation, adopts large-scale MW class unit more, and blade material also is to use glass fiber reinforced plastic.The moulding process of blade is divided into two kinds of wet impregnation and prepreg hot pressing.Mostly be the small-sized unit of application separately from net type wind-power electricity generation, be applied to island, pasture, boats and ships or remote area suitably replenishing as electrical network more.Adopt materials such as cast aluminium, enhancing nylon at present from net type extension set blade, but generally speaking length of blade is no more than 3 meters, surpasses back cost of production straight line and rises more.
Make wind power generation blade if adopt wet impregnation in the prior art, need on mould, successively spread and cover glass fibre/glass fibre carbon fiber hybrid multi-axial fabric, spread respectively at an upper portion thereof again and cover permeable formation, water conservancy diversion layer etc., use vacuum film to coat after the shop is covered and finished, form an enclosed vacuum chamber; Check vacuum condition, this vacuum chamber of resin suction that utilizes vacuum proportionally to prepare in advance after the affirmation, along the sebific duct of completing in advance of leading, water conservancy diversion layer, permeable formation progressively soak into fiber and dipping, in the kind of the used resin of thorough impregnation backsight and the requirement of cure system, be heated to certain temperature, make resin solidification, treat to get final product the demoulding behind the completion of cure, the whole flow process time needs 8-12 hour approximately.
Prepreg hot-pressing wind power generation blade of the prior art, similar with wet impregnation, what difference was to cover on the mould upper berth is not simple fabric, but coated the prepreg fabric of resin, the shop is covered the superior posterior that finishes and is changed the shop release cloth and inhale glue-line, is to heat up to be heating and curing under certain vacuum pressure equally.The about 6-10 of whole operation flow process hour.
In the above-mentioned blade production technology, need the skilled shop of manually going of a large amount of uses to cover fabric, the quality of state and the ratio of defects that ratio of defects directly affects blade are covered in the fabric shop, as for the pre-impregnated fiber fabric, because contain the relation of resin, the requirement of the shop being covered the worker is higher.In addition, successively fabric is covered in the shop, and the length of blade mostly is more than the 30-40 rice, and consumed time is also considerable.The fiber reinforced plastic that direct fabric insulating varnish produces, its intensity is very good, be typical high specific strength material, the aeroelasticity relation of right blade, require blade in use aerodynamic configuration to be that the retentivity of profile requires very high, from the angle of material say need be very high rigidity or modulus, so when the product specification of reality, all be designed to sandwich structure, use Ba Sha wood or PVC foam to be used as sandwich material.And the design of these two kinds of materials is used, and is very unfavorable to domestic blade manufacturer.Ba Shamu is natural timber, originates in the Amazon rainforest in South America, supplies tight slightly year by year; And the PVC foam also is so, and the main supplier whole world is with regard to two families, along with the price of the rise foam of Chinese wind-force GENERATION MARKET all is the overgrowing of multiple relation in a short time.
Therefore be badly in need of wanting a kind of blade of wind-driven generator of new structure to replace a large amount of blade of wind-driven generator that use Ba Sha wood or PVC foam in the prior art.
The model utility content
In order to overcome existing defective in the prior art, the blade of wind-driven generator that the utility model discloses a kind of new structure replaces a large amount of blade of wind-driven generator that use Ba Sha wood or PVC foam in the prior art.
For realizing above-mentioned model utility purpose, the utility model discloses a kind of blade of wind-driven generator, it is characterized in that, this blade comprises construction layer and packed layer, and this construction layer adopts sheet molding compound, and this packed layer adopts lightweight material.
Further, this construction layer is three-layer composite structure, and first layer is sheet molding compound, and the second layer is comb core, and the 3rd layer is that first layer is sheet molding compound.
Further, this comb core is made up of plastics.
Further, this comb core is made up of structural foam.
Further, the specific gravity range of this lightweight material is 1.1 to 1.3.
Compared with prior art, blade of wind-driven generator disclosed in the utility model can satisfy the needed intensity of wind power generation blade and rigidity, can substitute a large amount of blade of wind-driven generator that use Ba Sha wood or PVC foam in the prior art.
Description of drawings
Can describe in detail and appended graphic being further understood by following model utility about advantage of the present utility model and spirit.Reference character identical in whole accompanying drawings is indicated identical part.The following drawings is not painstakingly drawn accompanying drawing by actual size equal proportion convergent-divergent, focuses on illustrating purport of the present utility model.
Fig. 1 is blade of wind-driven generator of the prior art;
Fig. 2 is the related blade of wind-driven generator sectional drawing of the utility model;
Fig. 3 is the related blade of wind-driven generator section partial enlarged drawing of the utility model.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, describe specific embodiment of the utility model in detail below in conjunction with accompanying drawing.
The utility model discloses a kind of blade of wind-driven generator, and this blade comprises construction layer and packed layer, and described construction layer adopts sheet molding compound, and described packed layer adopts lightweight material.
Fig. 2 is the related blade of wind-driven generator sectional drawing of the utility model, as shown in Figure 2.This blade 100 is made up of at least two kinds of materials.Wherein the skin-material of this blade 100 is most important for whole blade.The purpose of blade structure for wind driven generator design is to pass through aerodynamics analysis, takes full advantage of performance of composites, makes large-scale blade obtain maximum wind sweeping area with the quality of minimum, thereby makes blade have the higher wind energy power of catching.The top layer 102 of blade 100 adopts sheet molding compound to constitute.
Sheet molding compound (Sheet molding compound is called for short SMC), its main raw material is by SMC special yarn, unsaturated resin, low shrinkage additive, and filler and various auxiliary agent are formed.Sheet molding compound has superior electrical properties, decay resistance, and advantage such as light weight and engineering design are easy, flexible, its mechanical property can compare favourably with the part metals material.In the small-size wind power-generating blade, (be no more than 3 meters), skin-material uses common sheet molding compound can satisfy the hardness of blade and the demand of rigidity, but in the large-scale wind generating blade, skin-material must use special sheet molding compound structure.This special structure layer is three-layer composite structure, and first layer is sheet molding compound, and the second layer is comb core, and the 3rd layer is that first layer is sheet molding compound.
Fig. 3 is the related blade of wind-driven generator section partial enlarged drawing of the utility model.As shown in Figure 3, this surface structure is a sandwiched type structure, is being a comb core 111 between the two-layer sheet molding compound 110 up and down namely.The density of this comb core 111 is lower than two-layer sheet molding compound 110 up and down, therefore the overall weight of this blade is reduced greatly.Also reduced simultaneously because the excessive destructible risk that causes of blade deadweight.The material of this comb core 111 can be plastics, is preferably structural foam.
The packed layer of this blade of wind-driven generator adopts lightweight material 101, and wherein our laboratory data shows, when the specific gravity range of this lightweight material 101 is between 1.1 to 1.3, and the amalgamation the best on this lightweight material 101 and top layer 102.Hardness and the rigidity of the integral body of this blade are the strongest, make large-scale blade obtain maximum wind sweeping area with the quality of minimum, thereby make blade have the higher wind energy power of catching.
Blade provided by the utility model can satisfy the needed intensity of wind power generation blade and rigidity, can substitute a large amount of blade of wind-driven generator that use Ba Sha wood or PVC foam in the prior art.
Described in this specification is preferred embodiment of the present utility model, and above embodiment is only in order to the technical solution of the utility model to be described but not to restriction of the present utility model.All those skilled in the art comply with design of the present utility model by the available technological scheme of logical analysis, reasoning, or a limited experiment, all should be within scope of the present utility model.
Claims (5)
1. a blade of wind-driven generator is characterized in that, described blade comprises construction layer and packed layer, and described construction layer adopts sheet molding compound, and described packed layer adopts lightweight material.
2. a blade of wind-driven generator as claimed in claim 1 is characterized in that, described construction layer is three-layer composite structure, and first layer is sheet molding compound, and the second layer is comb core, and the 3rd layer is sheet molding compound.
3. a blade of wind-driven generator as claimed in claim 2 is characterized in that, described comb core is made up of plastics.
4. a blade of wind-driven generator as claimed in claim 2 is characterized in that, described comb core is made up of structural foam.
5. a blade of wind-driven generator as claimed in claim 1 is characterized in that, the specific gravity range of described lightweight material is 1.1 to 1.3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320096044XU CN203114512U (en) | 2013-03-04 | 2013-03-04 | Wind driven generator blade using sheet film plastic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320096044XU CN203114512U (en) | 2013-03-04 | 2013-03-04 | Wind driven generator blade using sheet film plastic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203114512U true CN203114512U (en) | 2013-08-07 |
Family
ID=48894866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320096044XU Expired - Lifetime CN203114512U (en) | 2013-03-04 | 2013-03-04 | Wind driven generator blade using sheet film plastic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203114512U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106398131A (en) * | 2016-06-15 | 2017-02-15 | 朱森 | Aerogenerator made of SMC reinforced and toughened material |
-
2013
- 2013-03-04 CN CN201320096044XU patent/CN203114512U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106398131A (en) * | 2016-06-15 | 2017-02-15 | 朱森 | Aerogenerator made of SMC reinforced and toughened material |
| CN106398131B (en) * | 2016-06-15 | 2018-09-21 | 朱森 | A kind of SMC activeness and quietness material wind-driven generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180201 Address after: 314201 Ji Gang Road, Dushan port town, Pinghu, Zhejiang Province, No. 619 Patentee after: DISNFLEX COMPOSITES (ZHEJIANG) CO.,LTD. Address before: No. 48, Ping Ye Road, Jinshan District, Shanghai Patentee before: Disnflex Composites International (Shanghai) Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130807 |