CN201377382Y - Wind wheel blade of wind driven generator - Google Patents
Wind wheel blade of wind driven generator Download PDFInfo
- Publication number
- CN201377382Y CN201377382Y CN200920013117U CN200920013117U CN201377382Y CN 201377382 Y CN201377382 Y CN 201377382Y CN 200920013117 U CN200920013117 U CN 200920013117U CN 200920013117 U CN200920013117 U CN 200920013117U CN 201377382 Y CN201377382 Y CN 201377382Y
- Authority
- CN
- China
- Prior art keywords
- wind
- stiffening rib
- driven generator
- blade
- wheel blade
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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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- Wind Motors (AREA)
Abstract
The utility model discloses a wind driven generator, in particular to a wind wheel blade of the wind driven generator, belonging to the technical field of wind power generation equipment. The wind wheel blade of the wind driven generator comprises an air external wall casing and reinforced ribs which are connected together. The reinforced ribs are divided into three groups which are arranged respectively at the front edge, in the middle and at the back edge of the air external wall casing. The section of the air external wall casing decreases gradually from the front to the back. With the variance of the aerofoil shape of the air external wall casing, the section of the wind wheel blade decreases gradually from blade root to blade tip. The two end surfaces of the air external wall casing and the three groups of reinforced ribs are connected into an integrated body. The structure of the wind wheel blade strengthens the overall strength of the blade, ensures that the wind driven generator group can be operated stably, can be operated safely under extreme load, and effectively prolongs the service life of the blade.
Description
Technical field
The utility model relates to a kind of wind-driven generator, particularly relates to a kind of wind wheel blade of wind-driven generator, belongs to technical field of wind power generating equipment.
Background technique
Nowadays the wind-power electricity generation acc power progressively improves, and the volume shape of its wind wheel blade also increases thereupon, and the structure of blower fan wind wheel blade has the influence of essence to the power output of wind-driven generator.
Fan blade will be subjected to the influence of various climatic environments in the course of the work, under landlocked operating mode, dust storm bump, blade vibration all produce impact to the structure of blade for a long time, when higher shearing stress is done the time spent repeatedly, just form hallrcuts, these hallrcuts can extend to again in the adjacent area of air outer wall housing and go, and viscose glue and compound outer wall casing rigidity are reduced, the integrity rigidity of outer wall housing is damaged, and causes outer wall housing cracking and leaf destruction; At sea in the wind field, blade will be resisted long high humility, high salinity corrosion, and under rugged environment such as typhoon, the turbulence of air-flow makes the blade of blower fan bear bigger load simultaneously, and some extreme loads directly causes leaf destruction.The unfavorable factor that all are all can produce great influence to the safety in production of wind-driven generator, and also the blade structure to blower fan has had higher requirement.
The model utility content
Technical problem to be solved in the utility model provides a kind of wind wheel blade that can satisfy the wind-driven generator of safe operation under extreme loads, long service life.
In order to solve the problems of the technologies described above, the utility model is achieved by the following technical solution.
A kind of wind wheel blade of wind-driven generator, it is to be linked together by air outer wall housing and stiffening rib to constitute, and stiffening rib is divided into three groups, is arranged on leading edge, middle part and trailing edge in the air outer wall housing, and the cross section of air outer wall housing is tending towards reducing after by forward direction.
Described air outer wall enclosure interior both ends of the surface are mutually bonding with stiffening rib by structure glue.
What described stiffening rib was positioned at leading edge is first group of stiffening rib, and first group of stiffening rib is the double C-type structure that is made of stiffening rib behind stiffening rib before first group and first group, and two C type stiffening ribs inwardly are oppositely arranged.
What described stiffening rib was positioned at the middle part is second group of stiffening rib, and second group of stiffening rib is the class rectangular configuration.
What described stiffening rib was positioned at trailing edge is the 3rd group of stiffening rib, and the 3rd group of stiffening rib is single C type structure backward.
Advantage of the present utility model and effect are as follows:
The cross section of the utility model wind wheel blade from blade root to blade tip gradually changes with the variation of air outer wall housing aerofoil profile, is tending towards reducing, and the both ends of the surface of air outer wall housing and three groups of stiffening ribs be bonding to become an integral body.The wind wheel blade of this structure has strengthened the bulk strength of blade, than other structures bigger advantage is arranged, and can make the wind power generating set smooth running, can satisfy safe operation under extreme loads, has effectively prolonged the safe operating life of blade.
Description of drawings
Fig. 1 is a sectional structure schematic representation of the present utility model.
Among the figure, stiffening rib before 1, first group, stiffening rib after 2, first groups, 3, second groups of stiffening ribs, 4, the 3rd groups of stiffening ribs, 5, air outer wall housing.
Embodiment
As shown in Figure 1, the wind wheel blade of a kind of wind-driven generator of the utility model, it is to be linked together by air outer wall housing 5 and stiffening rib to constitute, stiffening rib is divided into three groups, three groups of stiffening ribs are separately positioned on leading edge, middle part and the trailing edge in the air outer wall housing 5, and the cross section of air outer wall housing 5 is tending towards reducing after by forward direction.Air outer wall housing 5 inner both ends of the surface are mutually bonding with stiffening rib by structure glue.
First group is the double C-type structure that stiffening rib 2 is formed behind stiffening rib 1 and first group before first group, and two C type stiffening ribs are inwardly relative, and this group stiffening rib is arranged near the blade inlet edge place, strengthens the intensity of blade inlet edge.It is the class rectangular configuration for second group of stiffening rib 3, it be placed on blade in the middle of slightly near trailing edge, this stiffening rib is an integral body, strengthens the intensity and the rigidity of blade.It is single C type structure for the 3rd group of stiffening rib 4, and structure is less and backward, and is little with the trailing edge distance, mainly strengthens the rigidity and the anti-vibration ability of trailing edge.
Above-mentioned three groups of stiffening rib material therefors are glass fibre reinforced composion or carbon fibre reinforced composite, and air outer wall housing is the laminated glass fibrous composite, and stiffening rib and air exine shells body and function structure glue are bonded as one.
Claims (5)
1, a kind of wind wheel blade of wind-driven generator, it is characterized in that it is by air outer wall housing (5) and the stiffening rib formation that links together, stiffening rib is divided into three groups, be arranged on leading edge, middle part and trailing edge in the air outer wall housing (5), the cross section of air outer wall housing (5) is tending towards reducing after by forward direction.
2, the wind wheel blade of wind-driven generator according to claim 1 is characterized in that the inner both ends of the surface of described air outer wall housing (5) are mutually bonding with stiffening rib by structure glue.
3, the wind wheel blade of wind-driven generator according to claim 1 and 2, what it is characterized in that described stiffening rib is positioned at leading edge is first group of stiffening rib, first group of stiffening rib is the double C-type structure that is made of stiffening rib (2) behind stiffening rib (1) before first group and first group, and two C type stiffening ribs inwardly are oppositely arranged.
4, the wind wheel blade of wind-driven generator according to claim 1 and 2, it is characterized in that described stiffening rib be positioned at the middle part be second group of stiffening rib (3), second group of stiffening rib (3) is the class rectangular configuration.
5, the wind wheel blade of wind-driven generator according to claim 1 and 2, what it is characterized in that described stiffening rib is positioned at trailing edge is the 3rd group of stiffening rib (4), the 3rd group of stiffening rib (4) is single C type structure backward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920013117U CN201377382Y (en) | 2009-04-21 | 2009-04-21 | Wind wheel blade of wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920013117U CN201377382Y (en) | 2009-04-21 | 2009-04-21 | Wind wheel blade of wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201377382Y true CN201377382Y (en) | 2010-01-06 |
Family
ID=41517489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920013117U Expired - Fee Related CN201377382Y (en) | 2009-04-21 | 2009-04-21 | Wind wheel blade of wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201377382Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011094912A1 (en) * | 2010-02-08 | 2011-08-11 | 国能风力发电有限公司 | Wind-wheel blade for vertical axis wind power generator axis |
| CN114603900A (en) * | 2022-03-02 | 2022-06-10 | 北京玻钢院复合材料有限公司 | Composite external pressure shell reinforcement structure and forming method thereof |
-
2009
- 2009-04-21 CN CN200920013117U patent/CN201377382Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011094912A1 (en) * | 2010-02-08 | 2011-08-11 | 国能风力发电有限公司 | Wind-wheel blade for vertical axis wind power generator axis |
| CN114603900A (en) * | 2022-03-02 | 2022-06-10 | 北京玻钢院复合材料有限公司 | Composite external pressure shell reinforcement structure and forming method thereof |
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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 |
Granted publication date: 20100106 Termination date: 20150421 |
|
| EXPY | Termination of patent right or utility model |