CN207715287U - A kind of blade and wind power generation plant - Google Patents
A kind of blade and wind power generation plant Download PDFInfo
- Publication number
- CN207715287U CN207715287U CN201721410149.2U CN201721410149U CN207715287U CN 207715287 U CN207715287 U CN 207715287U CN 201721410149 U CN201721410149 U CN 201721410149U CN 207715287 U CN207715287 U CN 207715287U
- Authority
- CN
- China
- Prior art keywords
- blade
- section
- wing chord
- wing
- support plate
- 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.)
- Active
Links
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
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
Abstract
The utility model proposes a kind of blades, for wind power generation plant, including blade body, the blade body includes the first section and the second section, the aerofoil profile of first section and the second section is identical, and the first section gradually tapers up to second section and becomes smaller.The blade of this structure, as a result of identical aerofoil profile, and the blade construction of distribution gradient, structure is more reasonable, wind energy utilization efficiency higher, generated output bigger, during use, the vibration that blade can effectively be reduced, improves reliability of structure, the use cost for increasing structural strength, reducing blade.On the other hand, the utility model also proposes a kind of wind power generation plant including above-mentioned blade.
Description
Technical field
The utility model is related to the machinery field that generates electricity, more particularly to a kind of blade and wind power generation plant.
Background technology
In recent years, the continuous improvement with country to energy-saving and emission-reduction requirement, hydroelectric generation, solar power generation and wind-power electricity generation
Etc. finding broad application, the relevant technologies also continue to develop and progress.
For wind power generation plant, blade is generally divided into two kinds, and one is horizontal axis wind generating blades, general to adopt more
With the structural shape of different airfoil profiles different chord lengths.Another kind is vertical axis wind power generation blade, generally mostly uses same aerofoil profile etc.
The structural shape of chord length.For wind power generating set with vertical shaft group without variable pitch and yaw, structure is relatively easy, currently in middle-size and small-size wind
Power power field is gradually used widely, but blade construction is unreasonable, affects utilization ratio, the power generation of wind energy not to the utmost
Power more affects the cost of blade and the structure connection difficulty and extraneous vibration of wind power generating set with vertical shaft group.
Therefore, how a kind of more reasonable structure, wind energy utilization efficiency higher, generated output bigger and blade are provided
The lower blade of cost, and the wind power generation plant including this blade, at the technology of those skilled in the art's urgent need to resolve
Problem.
Utility model content
The technical problems to be solved in the utility model is：A kind of more reasonable structure, wind energy utilization efficiency higher, hair are provided
Electrical power bigger and the lower blade of blade cost, and the wind power generation plant including this blade.
What the solution of the utility model was realized in：The utility model proposes a kind of blades, are used for wind-power electricity generation
On device, including blade body, the blade body include the first section and the second section, first section and the second section
Aerofoil profile it is identical, and the first section gradually tapers up to second section and becomes smaller.The blade of this structure, as a result of the identical wing
Type, and the blade construction of distribution gradient, structure is more reasonable, wind energy utilization efficiency higher, generated output bigger, uses process
In, can effectively reduce the vibration of blade, improve reliability of structure, increase structural strength, reduce the use of blade at
This.
Another technical solution of the utility model is that on above-mentioned basis, first section is equipped with the first wing chord
With the second wing chord, second section is equipped with third wing chord and the 4th wing chord, and first wing chord and third wing chord are set relatively
It sets, second wing chord and the 4th wing chord are oppositely arranged, and the length of first wing chord is more than the length of third wing chord, and described the
The length of two wing chords is more than the length of the 4th wing chord.
Another technical solution of the utility model is on above-mentioned basis, and support is additionally provided with inside the blade body
Device, the both ends of the support device are held in respectively on the wing plate face where the first wing chord and the second wing chord.
Another technical solution of the utility model is that on above-mentioned basis, the support device includes the first support plate
And it is set to second support plate and third support plate at the first support plate both ends, second support plate and first wing
String and the third support plate are an integral structure with second wing chord.
Another technical solution of the utility model is that on above-mentioned basis, the blade body is an integral structure,
The material of the blade body includes fiberglass.
Another technical solution of the utility model is that on above-mentioned basis, the blade body includes multistage fission,
Connection between multistage fission is removable is fixedly connected.
On the other hand, the utility model also proposes a kind of wind power generation plant, including the shaft being vertically arranged, the shaft
On be equably vertically arranged polylith blade, the blade is any one of them blade as above.
Description of the drawings
The attached drawing for constituting the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The illustrative embodiments and their description of type are not constituted improper limits to the present invention for explaining the utility model.
Fig. 1 is a kind of structural schematic diagram of blade of the utility model；
Fig. 2 is the section cross-sectional schematic of blade in Fig. 1.
Reference numeral correspondence is：
1 blade body, 2 first wing chord, 3 second wing chord
6 first support plate of the 4th wing chord of 4 third wing chord 5
7 second support plate, 8 third support plate
Specific implementation mode
The utility model is described in detail below in conjunction with the accompanying drawings, the description of this part be only it is exemplary and explanatory,
There should not be any restriction effect to the scope of protection of the utility model.In addition, those skilled in the art's retouching according to this document
It states, the corresponding combination can be carried out to the feature in embodiment in this document and in different embodiments.
The utility model embodiment is as follows, blade referring to fig. 1 to fig. 2 and its schematic cross-sectional view, is used for wind-force
In power generator, specifically include blade body 1, blade body 1 includes the first section and the second section, also, the first section and
Second section it is of different sizes, but the aerofoil profile of the two is identical, more specifically, becomes from the asymptotic contraction of the first section to the second section
It is small, the length distribution gradient of wing chord, and gradually shorten.The blade of this structure as a result of identical aerofoil profile, and divides in gradient
The blade construction of cloth, structure is more reasonable, wind energy utilization efficiency higher, generated output bigger, during use, can effectively reduce
The vibration of blade, improves reliability of structure, the use cost for increasing structural strength, reducing blade.
On the basis of the above embodiments, it in another embodiment of the utility model, as shown in Figure 2, is set on the first section
It is disconnected that the second wing chord 3 for having the first wing chord 2 and being oppositely arranged with the first wing chord 2, the first wing chord 2 and the second wing chord 3 enclose first
The airfoil structure in face, equally, the 4th wing chord 5 that the second section is equipped with third wing chord 4 and is oppositely arranged with third wing chord 4, the
Three wing chords 4 and the 4th wing chord 5 enclose the airfoil structure of the second section, more specifically, the first wing chord 2 on the first section,
Second wing chord 3 is oppositely arranged with third wing chord 4, the 4th wing chord 5 on the second section respectively, and the length of the first wing chord 2 is more than the
The length of three wing chords 4, the length of the second wing chord 3 are more than the length of the 4th wing chord 5.It should be noted that in entire blade body 1
Equipped with several sections, it is equipped with two wing chords on each section, the length of the first wing chord 2 and the second wing chord 3 is in entire blade
Longest on ontology 1, and the length of third wing chord 4 and the 4th wing chord 5 is most short.In addition, also the first wing chord of it should be clear that, 2 and the
The shape of three wing chords 4 is identical, and the shape of the second wing chord 3 and the 4th wing chord 5 is also identical.
On the basis of the above embodiments, in another embodiment of the utility model, as shown in Fig. 2, the inside of blade body 1
It is additionally provided with support device, the both ends of support device are held in respectively on the face at 3 place of the first wing chord 2 and the second wing chord.This setting
Mode can effectively improve the overall construction intensity of blade.
On the basis of the above embodiments, in another embodiment of the utility model, as shown in Fig. 2, for support device, tool
Body includes the first support plate 6 and is set to second support plate 7 at 6 both ends of the first support plate and third support plate 8, first
Second support plate, the 7 third support plate 8 at fagging 6 and its both ends, cross sectional shape are similar to I-shaped.Also, the second support
Plate 7 and the first wing chord 2 and third support plate 8 are an integral structure with the second wing chord 3, are primary add in process
Work is molded.
On the basis of the above embodiments, in another embodiment of the utility model, blade construction as shown in Figure 2, also for
Integral structure, i.e., entire blade construction are processed and formed at one time.This set-up mode can improve the intensity of blade on the whole.
On the basis of the above embodiments, in another embodiment of the utility model, blade body 1 includes multistage fission, and
Connection between multistage fission is fixedly connected to be detachable, and connection type is preferably bolted.This set-up mode can reduce
The difficulty of processing of blade is also beneficial to the modularized production of blade.
On the other hand, the utility model also proposes that a kind of wind power generation plant, wind power generation plant include being vertically arranged
Shaft, polylith blade is arranged in homogeneous vertical in shaft, and blade is specially blade as described above.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (7)
1. a kind of blade is used for wind power generation plant, which is characterized in that including blade body (1), the blade body (1)
Including the first section and the second section, the aerofoil profile of first section and the second section is identical, and the first section is to described second
Section, which gradually tapers up, to become smaller.
2. blade according to claim 1, which is characterized in that first section is equipped with the first wing chord (2) and second
Wing chord (3), second section are equipped with third wing chord (4) and the 4th wing chord (5), first wing chord (2) and third wing chord
(4) it is oppositely arranged, second wing chord (3) and the 4th wing chord (5) are oppositely arranged, and the length of first wing chord (2) is more than the
The length of three wing chords (4), the length of second wing chord (3) are more than the length of the 4th wing chord (5).
3. blade according to claim 2, which is characterized in that be additionally provided with support device inside the blade body (1), institute
It states on the wing plate face that the both ends of support device are held in respectively where the first wing chord (2) and the second wing chord (3).
4. blade according to claim 3, which is characterized in that the support device includes the first support plate (6) and sets
It is placed in second support plate (7) and third support plate (8) at the first support plate (6) both ends, second support plate (7) and described the
One wing chord (2) and the third support plate (8) are an integral structure with second wing chord (3).
5. blade according to claim 4, which is characterized in that the blade body (1) is an integral structure, the blade
The material of ontology (1) includes fiberglass.
6. blade according to claim 4, which is characterized in that the blade body (1) includes multistage fission, and multistage is seperated
Between connection be removable to be fixedly connected.
7. a kind of wind power generation plant, including the shaft that is vertically arranged, it is equably vertically arranged polylith blade in the shaft,
It is characterized in that, the blade is blade according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721410149.2U CN207715287U (en) | 2017-10-27 | 2017-10-27 | A kind of blade and wind power generation plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721410149.2U CN207715287U (en) | 2017-10-27 | 2017-10-27 | A kind of blade and wind power generation plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207715287U true CN207715287U (en) | 2018-08-10 |
Family
ID=63060615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721410149.2U Active CN207715287U (en) | 2017-10-27 | 2017-10-27 | A kind of blade and wind power generation plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207715287U (en) |
-
2017
- 2017-10-27 CN CN201721410149.2U patent/CN207715287U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Barnes et al. | Improved methodology for design of low wind speed specific wind turbine blades | |
| CN102004838B (en) | Method for determining wind turbine blade structure based on finite difference method | |
| Didane et al. | Performance investigation of vertical axis wind turbine with savonius rotor using computational fluid dynamics (CFD) | |
| CN204572349U (en) | A kind of wind machine's laminae made from composite material | |
| CN207715287U (en) | A kind of blade and wind power generation plant | |
| CN105781904B (en) | 30% thickness aerofoil suitable for megawatt-grade wind turbine blade | |
| CN205805839U (en) | Cylinder, sectional-type blade and wind-driven generator | |
| CN102797645B (en) | Wind-driven generator blade with keel structure | |
| CN104033331B (en) | A kind of wind power generation blade family design method | |
| CN105545608B (en) | A kind of wind-power tower with the enhancing of modularization truss | |
| CN209430335U (en) | A kind of novel wind power blade | |
| CN202338452U (en) | 2.0 MW high-rotating speed prolonged direct-drive wind driven generator blade | |
| CN203835614U (en) | 2.0MW/54m low-wind-speed super-long type power turbine generator blade | |
| CN201144762Y (en) | Blade structure of vertical shaft wind power generator | |
| CN205135900U (en) | Vertical axis wind turbine blade structure | |
| Patel et al. | A review about the straight-bladed vertical axis wind turbine (SB-vawt) and its performance | |
| CN202250643U (en) | Novel wind wheel structure of large scale wind turbine generator system | |
| CN211666846U (en) | Wind power generation device | |
| CN202326043U (en) | 2.0 megawatt (MW) carbon fiber wind driven generator blade | |
| CN202468133U (en) | Water power wind power generation groove impeller ring | |
| CN102644558B (en) | Skeleton-type helical wind energy blade and wind energy power generating device | |
| CN206694184U (en) | A kind of new-type wind power generating set | |
| CN208534681U (en) | A kind of wind power generating set with vertical shaft | |
| CN106704094B (en) | Palmaceae plant blade type wind driven generator blade and manufacturing method thereof | |
| CN201116511Y (en) | Vertical axis vane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210126 Address after: 411100 No.28 Baishi Road, Jingkai District, Xiangtan City, Hunan Province Patentee after: WASION ENERGY INDUSTRY TECHNOLOGY Co.,Ltd. Address before: 410205 No. 468, west slope, Tongzi high tech Development Zone, Hunan, Changsha Patentee before: HUNAN LINENG TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |