CN205001119U - High -efficient blade - Google Patents
High -efficient blade Download PDFInfo
- Publication number
- CN205001119U CN205001119U CN201520769367.XU CN201520769367U CN205001119U CN 205001119 U CN205001119 U CN 205001119U CN 201520769367 U CN201520769367 U CN 201520769367U CN 205001119 U CN205001119 U CN 205001119U
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- Prior art keywords
- blade
- base plate
- wind
- forward position
- fan blade
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- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009931 pascalization Methods 0.000 abstract 1
- 230000003068 static effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 2
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 230000002153 concerted effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a high -efficient blade, be applied to the fan on, include fan blade and catch the wind device, fan blade is casing and casing down on having forward position and back -porch respectively, and the forward position interconnect of the forward position of going up the casing and casing down forms the leading edge part of blade jointly, and the back -porch of going up the casing and the back -porch interconnect of casing down form fan blade's trailing edge part jointly, catching the wind device and including bottom plate and pterygoid lamina, the pterygoid lamina is connected with the bottom plate, the bottom plate is fixed on last casing. The utility model discloses an advantage and beneficial effect lie in: through catching the wind device when making the last casing of distinguished and admirable follow pass through, distinguished and admirablely will form distinguished and admirable high hydrostatic pressure district on the upper and lower surface of pterygoid lamina respectively, the pressure differential of housing face wind pressure and time housing face wind pressure improvements in for the blade can obtain higher kinetic energy, has improved the generated energy of fan, still realized simultaneously the blade root partially can utilize the wind energy for the blade provides the effect of kinetic energy, further improvement the blade rate to wind energy utilization.
Description
Technical field
The utility model relates to wind power generation field, particularly a kind of high-efficiency blade.
Background technique
The elementary cell of blade acting is aerofoil profile, and aerofoil profile upper and lower surface mineralization pressure is poor, produces torsion by making a concerted effort in vane rotary plane, add the rotating speed of wind wheel, final output is power, and therefore, the pressure difference of aerofoil profile upper and lower surface is the fundamental of wind wheel output power;
In normal range of angles of attack, along with the increase of the angle of attack, the lee face of vane airfoil profile can produce airflow breakaway gradually near the part of trailing edge, forms higher static pressure district; But in the windward side of blade, air-flow seldom produces separation, in the part near trailing edge, relative velocity is higher, and static pressure is relatively low, and then causes the performance of aerofoil profile not high; Meanwhile, again because blade root is cylindrical-shaped structure, therefore the pressure reduction up and down of blade root is zero, to the torsion of blade without contribution, further reduces the utilization ratio of blade to wind energy.
Model utility content
In order to solve the problem, the utility model provides a kind of high-efficiency blade.The technical program passes through wind catcher, when the distinguished and admirable forward position from upper shell is passed through, the distinguished and admirable rear edge part wing plate through wind catcher being arrived fan blade, the upper and lower surface of wing plate is made to form distinguished and admirable high static pressure district respectively, to offset the static pressure that lower shell surface produces, and then improve the pressure reduction of upper shell Pressures and lower shell surface blast, make blade can obtain higher kinetic energy, improve the generated energy of blower fan; Simultaneously, by the leaf root part at blade, wind catcher is set, the windward side of the leaf root part of blade and lee face is made to occur pressure reduction, for blade provides moment of torsion, what achieve that leaf root part can utilize wind energy provides the effect of kinetic energy for blade, improve blade to wind energy utilization, improve the overall generating efficiency of blower fan.
A kind of high-efficiency blade in the utility model, is applied on blower fan, comprises fan blade and wind catcher;
Described fan blade comprises and has forward position and rear along upper shell and lower shell body respectively, the forward position of described upper shell and the forward position of described lower shell body are interconnected, the rear edge of described upper shell and the rear edge of described lower shell body are interconnected, the forward position of described upper shell and the forward position of described lower shell body form the leading edge portion of described blade jointly, and the rear edge of described lower shell body and the rear edge of described lower shell body form the rear edge part of described fan blade jointly;
Described wind catcher comprises base plate and wing plate, and described wing plate is connected with described base plate, has the angle being less than or equal to 90 ° between described wing plate lower surface and described plate upper surface; Described base plate is fixed on described upper shell.
In such scheme, described upper shell is the windward side of described fan blade, and described lower shell body is the lee face of described fan blade; One end that described fan blade is connected with described blower fan is leaf root part, and one end of described fan blade described leaf root part dorsad is tip segment; Described base plate is fixed on the windward side of described leaf root part.
In such scheme, the side of described wing plate is connected with the upper surface of described base plate.
In such scheme, between the lower surface of described wing plate and the upper surface of described base plate, form the angle of 30 ° ~ 60 °.
In such scheme, the lower surface of described base plate is connected with in the side of described upper shell towards described rear edge part.
In such scheme, described base plate is connected by glueing joint with described upper shell.
In such scheme, described wind catcher has several, and wind catcher described in several is arranged in order along the shape of the described rear edge part of leaf root part.
In such scheme, wind catcher described in several is arranged in order the maximum chord length to described fan blade from described leaf root part.
Advantage of the present utility model and beneficial effect are: the utility model provides a kind of high-efficiency blade, pass through wind catcher, when the distinguished and admirable forward position from upper shell is passed through, the distinguished and admirable rear edge part wing plate through wind catcher being arrived fan blade, the upper and lower surface of wing plate is made to form distinguished and admirable high static pressure district respectively, to offset the static pressure that lower shell surface produces, and then improve the pressure reduction of upper shell Pressures and lower shell surface blast, make blade can obtain higher kinetic energy, improve the generated energy of blower fan; Simultaneously, by the leaf root part at blade, wind catcher is set, the windward side of the leaf root part of blade and lee face is made to occur pressure reduction, for blade provides moment of torsion, what achieve that leaf root part can utilize wind energy provides the effect of kinetic energy for blade, improve blade to wind energy utilization, improve the overall generating efficiency of blower fan.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of high-efficiency blade of the utility model;
Fig. 2 is Figure 1A-part A structural representation;
Fig. 3 is the structural representation of wind catcher in a kind of high-efficiency blade of the utility model;
Fig. 4 is the structural representation of base plate and wing plate annexation in a kind of high-efficiency blade of the utility model;
Fig. 5 faces structural representation in a kind of high-efficiency blade of the utility model;
Fig. 6 is the structural representation of upper shell and wind catcher annexation in a kind of high-efficiency blade of the utility model.
In figure: 1, fan blade 2, wind catcher
11, upper shell 12, lower shell body 13, leading edge portion 14, rear edge part
15, leaf root part 16, tip segment 21, base plate 22, wing plate
23, groove 211, header board 212, rear plate
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is further described.Following examples only for clearly the technical solution of the utility model being described, and can not limit protection domain of the present utility model with this.
As shown in figs 1 to 6, the utility model is a kind of high-efficiency blade, is applied in blower fan (not shown), comprises fan blade 1 and wind catcher 2;
Fan blade 1 comprises and has forward position and rear along upper shell 11 and lower shell body 12 respectively, the forward position of upper shell 11 and the forward position of lower shell body 12 are interconnected, the rear edge of upper shell 11 and the rear edge of lower shell body 12 are interconnected, the forward position of upper shell 11 and the forward position of lower shell body 12 form the leading edge portion 13 of blade jointly, and the rear edge of lower shell body 12 and the rear edge of lower shell body 12 form the rear edge part 14 of fan blade 1 jointly;
Wind catcher 2 comprises base plate 21 and wing plate 22, and wing plate 22 is connected with base plate 21, has the angle being less than or equal to 90 ° between wing plate 22 lower surface and base plate 21 upper surface; Base plate 21 is fixed on upper shell 11.
Further, upper shell 11 is the windward side of fan blade 1, and lower shell body 12 is the lee face of fan blade 1; One end that fan blade 1 is connected with blower fan is leaf root part 15, and one end of fan blade 1 leaf root part 15 dorsad is tip segment 16; Base plate 21 is fixed on the windward side of leaf root part 15.
Preferably, the side of wing plate 22 is connected with the upper surface of base plate 21.
Preferably, the angle of 30 ° ~ 60 ° is formed between the lower surface of wing plate 22 and the upper surface of base plate 21.
Preferably, the angle formed between the lower surface of wing plate 22 and the upper surface of base plate 21 is 53 °.
Preferably, the lower surface of base plate 21 is connected with in the side of upper shell 11 towards rear edge part 14.
Preferably, base plate 21 is connected by glueing joint with upper shell 11, simple to operate, with low cost.
Preferably, wind catcher 2 has several, several wind catchers 2, and several wind catchers 2 are arranged in order along the rear edge part 14 of leaf root part 15; Several wind catchers 2 are arranged in order the maximum chord length to fan blade 1 from leaf root part 15.
Preferably, the both sides of the wing plate 22 of described wind catcher 2 have groove 23 respectively, and groove 23 is communicated with the upper and lower surface of wing plate 22.
Concrete, base plate 21 is divided into header board 211 and rear plate 212 by wing plate 22, and the length of base plate 21 is 500mm ± 2mm, and the width of base plate 21 is 110mm ± 1mm, and the length of wing plate 22 is 256mm ± 1mm.
The working principle of technique scheme is: windward side upper shell 11 being set to fan blade 1, by the upper shell 11 at fan blade 1, wind catcher 2 is set towards rear edge part 14, the distinguished and admirable forward position from upper shell 11 is passed through, wing plate 22 through wind catcher 2 arrives the rear edge part 14 of fan blade 1, the upper and lower surface of wing plate 22 is made to form distinguished and admirable high static pressure district respectively, and then improve the pressure reduction of upper shell 11 Pressures and lower shell body 12 Pressures, make blade can obtain higher kinetic energy, and then improve the generated energy of blower fan.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a high-efficiency blade, is applied on blower fan, it is characterized in that, comprises fan blade and wind catcher;
Described fan blade comprises and has forward position and rear along upper shell and lower shell body respectively, the forward position of described upper shell and the forward position of described lower shell body are interconnected, the rear edge of described upper shell and the rear edge of described lower shell body are interconnected, the forward position of described upper shell and the forward position of described lower shell body form the leading edge portion of described blade jointly, and the rear edge of described lower shell body and the rear edge of described lower shell body form the rear edge part of described fan blade jointly;
Described wind catcher comprises base plate and wing plate, and described wing plate is connected with described base plate, has the angle being less than or equal to 90 ° between described wing plate lower surface and described plate upper surface; Described base plate is fixed on described upper shell.
2. a kind of high-efficiency blade according to claim 1, is characterized in that, described upper shell is the windward side of described fan blade, and described lower shell body is the lee face of described fan blade; One end that described fan blade is connected with described blower fan is leaf root part, and one end of described fan blade described leaf root part dorsad is tip segment; Described base plate is fixed on the windward side of described leaf root part.
3. a kind of high-efficiency blade according to claim 1, is characterized in that, the side of described wing plate is connected with the upper surface of described base plate.
4. a kind of high-efficiency blade according to claim 1, is characterized in that, forms the angle of 30 ° ~ 60 ° between the lower surface of described wing plate and the upper surface of described base plate.
5. a kind of high-efficiency blade according to claim 1, is characterized in that, the lower surface of described base plate is connected with in the side of described upper shell towards described rear edge part.
6. a kind of high-efficiency blade according to claim 1, is characterized in that, described base plate is connected by glueing joint with described upper shell.
7. a kind of high-efficiency blade according to claim 2, is characterized in that, described wind catcher has several, and wind catcher described in several is arranged in order along the shape of the described rear edge part of leaf root part.
8. a kind of high-efficiency blade according to claim 7, is characterized in that, wind catcher described in several is arranged in order the maximum chord length to described fan blade from described leaf root part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520769367.XU CN205001119U (en) | 2015-09-29 | 2015-09-29 | High -efficient blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520769367.XU CN205001119U (en) | 2015-09-29 | 2015-09-29 | High -efficient blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205001119U true CN205001119U (en) | 2016-01-27 |
Family
ID=55158011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520769367.XU Active CN205001119U (en) | 2015-09-29 | 2015-09-29 | High -efficient blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205001119U (en) |
-
2015
- 2015-09-29 CN CN201520769367.XU patent/CN205001119U/en active Active
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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 |
Effective date of registration: 20240429 Address after: No. 288-31 (K) Wutan Industrial Park, Funing County, Yancheng City, Jiangsu Province, 224000 Patentee after: Yancheng Haoyu wind power equipment technical service Co.,Ltd. Country or region after: China Address before: Room 432, R Zone, 4th Floor, No. 98, Lane 901, Kangye Road, Zhujiajiao Town, Qingpu District, Shanghai, 2017 Patentee before: SHANGHAI CHANGZHI INDUSTRY Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |