CN201407131Y - Wind power generator - Google Patents
Wind power generator Download PDFInfo
- Publication number
- CN201407131Y CN201407131Y CN2009201506335U CN200920150633U CN201407131Y CN 201407131 Y CN201407131 Y CN 201407131Y CN 2009201506335 U CN2009201506335 U CN 2009201506335U CN 200920150633 U CN200920150633 U CN 200920150633U CN 201407131 Y CN201407131 Y CN 201407131Y
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- China
- Prior art keywords
- wind
- driven generator
- impeller
- contraction section
- diffuser
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- Expired - Fee Related
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- 230000008602 contraction Effects 0.000 claims abstract description 17
- 238000005406 washing Methods 0.000 claims abstract description 6
- 238000009792 diffusion process Methods 0.000 claims abstract description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000010248 power generation Methods 0.000 abstract 1
- 230000000630 rising effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 12
- 230000005611 electricity Effects 0.000 description 6
- 230000001737 promoting effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009183 running Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Classifications
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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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- Wind Motors (AREA)
Abstract
The utility model relates to a wind-driven generator, which is characterized in that a generator set is arranged in a shell, one end of the generator set is connected with an impeller, and the shell is movably arranged on a support rod; the machine body of the machine shell is provided with an annular arc groove, the front end of the annular arc groove is a contraction section, and the rear end of the annular arc groove is a diffusion section; in addition, a plurality of blades are radially and outwards arranged on a hub at the center of the impeller, and the tail ends of the blades are provided with a Down Wash ; the curve design of the machine body is utilized to improve the rising angle after the air flow is blown out, and the lower washing is utilized to reduce the generation of tip vortex (Tipvortex), thereby greatly improving the wind energy use efficiency in wind power generation.
Description
Technical field
The utility model relates to a kind of wind generating technology, refers to increase the fuselage curve design especially, and utilizes to wash down and reduce the wind-driven generator structure that tip vortex produces.
Background technique
In recent years, scientist endeavours to study alternative energy source and emerging energy uses, and common alternative energy is original: solar energy, wind energy, tidal energy or even living mass-energy etc., the energy that hope can move in endless cycles nature converts various operable energy to.Wherein, the application of wind energy is comparatively simply and never exhausted, its origin cause of formation is because the caused a kind of convective motion of atmosphere nonuniform heating, general wind-driven generator is the air-flow wheel rotor that utilizes wind-force, convert wind energy to electric energy, except that being provided with the place of wind-driven generator, and the structural design of wind-driven generator itself, for example: designs such as blade shape or quantity also can influence the utilization efficiency of wind energy.
Wind-driven generator can be divided into formula (Up Wind) and formula two big classes such as (Down Wind) against the wind with the wind according to the weather side.General common wind-driven generator mostly is formula (Up Wind) wind-driven generator against the wind, during use, wind-force drive air-flow directly clashes into the blade in impeller front and rotates, so that wind energy is converted to electric energy, and the windward side of impeller must be correct in the face of wind come to, just can make the maximum usefulness of impeller performance, so be provided with mostly on the wind-driven generator and seek the wind structure automatically, after it utilizes detecting device detecting wind direction, turn to obtain to seek automatically the effect of wind, so the complex structure of this class wind-driven generator and cost are not striking by the power plant impeller again.In addition, the impeller of formula (Down Wind) wind-driven generator then is located at the casing rear with the wind, and casing off-centre is arranged at pole, utilize not concurrent of center of rotation and fulcrum, when impeller was subjected to wind blows, air-flow was blown into from the machine nose of casing, and impeller to the distance between the casing fulcrum can form the arm of force, and produce the torsion that impeller is rotated, to produce the effect of seeking wind automatically.
No matter be formula wind-driven generator or formula wind-driven generator against the wind with the wind, see also Fig. 1, wind-driven generator 10 is movably set on the pole 20, described wind-driven generator 10 is provided with a casing 11, one generator set 12 and an impeller 13, described casing 11 is appearance of flowlines of approximate bullet appearance, and casing 11 surfaces are to be circular-arc, front end is to be flaring then to be convergent behind casing 11 stage casings, therefore, after being blown into by casing 11 front ends, air-flow (arrow among the figure is represented) can present the outer state that looses earlier, the part air-flow is then through casing 11 stage casings and contracting in presenting, it is outer loose air-flow with in the air-flow that contracts all can hit wind with impeller 13, and can produce sinuous flow.Moreover a plurality of blades 131 that its impeller 13 peripheries are set can produce positive force by the promotion of blast, promote impeller 13 and rotate, so that wind energy is converted to electric energy.But during airflow passes blade 131 ends, then tip vortex can be produced and wind is cut sound, and blade 131 ends are when to be impeller 13 rotate, for producing the position of maximum moment, tip vortex then can produce the reverse Driving force to impeller 13, the strength of payment impeller 13 forward rotation, therefore, no matter be the design of casing or the design of blade, all can have influence on the wind energy utilization efficiency of wind-driven generator, even influence generating efficiency.
Summary of the invention
A purpose of the present utility model aims to provide a kind of casing structure of wind-driven generator, can reduce the resistance that sinuous flow produces, and improves blast and promote the utilization efficiency of wind energy.
A time purpose of the present utility model aims to provide a kind of casing structure of wind-driven generator, and the effect of seeking wind is automatically arranged.
A purpose more of the present utility model aims to provide a kind of wind-driven generator, and the wind the when generation of minimizing tip vortex and wheel rotation is cut sound, and promotes the utilization efficiency of wind energy.
The utility model mainly comprises a casing, a generator set and an impeller.Wherein, this casing is provided with a machine nose and a fuselage, and this fuselage is provided with ring arc groove, this ring arc front of the slot is a contraction section, and the rear end is a diffuser, is provided with a paddy portion between contraction section and diffuser, inside at ring arc groove is provided with a fin at least, makes fin parallel with the fuselage axial direction; In addition the wheel hub radiation direction at this impeller center is provided with a plurality of blades outward, and the end of blade is provided with washes (Down Wash), and the overbending direction that this time washed is opposite with the blade windward side, and under wash with interlobate angle and equal/spend greater than 90.
The beneficial effects of the utility model are, the utility model is under the air-flow of high wind speed drives, utilize the vacuum effect that the fuselage contraction section produces and attract air-flow, change the angle that raises up that blows out after utilizing diffuser again, make air-flow directly clash into the blade of impeller, the sinuous flow generation be can reduce and blast, the wind energy utilization efficiency when significantly promoting wind-power electricity generation improved; And be located at the interior fin of ring arc groove, and when air flow divert, can produce a deflection angle with the flow direction of air-flow, produce the positive force that the skew of drive fuselage is rotated, make the utility model that the effect of seeking wind automatically can be arranged.Moreover, during wheel rotation, be arranged at the following of blade end and wash, can reduce the generation of tip vortex (Tip Vortex), air-flow is blocked and extends back to blow out, the wind energy utilization efficiency when significantly promoting wind-power electricity generation, and can reduce wind and cut sound.
Description of drawings
Schematic representation when Fig. 1 uses for existing wind-driven generator.
Fig. 2 is the three-dimensional exploded view of the utility model preferred embodiment.
Fig. 3 is the stereo appearance figure after the utility model preferred embodiment assembling.
Air-flow schematic representation when Fig. 4 is the utility model preferred embodiment casing wind-engaging.
Fig. 5 seeks the schematic representation of wind function automatically for the utility model preferred embodiment.
Air current flow schematic representation when Fig. 6 is the blade wind-engaging of the utility model preferred embodiment.
Description of reference numerals: 10-wind-driven generator; The 11-casing; The 12-generator set; The 13-impeller; The 131-blade; 20-pole; The 30-casing; 31-machine nose; The 311-fixed base; The 312-groove; The 313-mounting hole; The 32-fuselage; The 321-containing space; The 322-fixed hole; 323-ring arc groove; The 3231-contraction section; The 3232-diffuser; 3233-paddy portion; The 324-fin; The 40-generator set; The 41-live axle; The 50-impeller; The 51-wheel hub; The 511-axis hole; The 52-blade; The 521-windward side; The 522-lee face; Wash under the 523-; The 53-shrinkage pool; 60-pole.
Embodiment
Below in conjunction with accompanying drawing, be described in more detail with other technical characteristics and advantage the utility model is above-mentioned.
See also shown in Fig. 2,3, preferred embodiment of the present utility model, main structure comprises:
One casing 30 is provided with a machine nose 31 and a fuselage 32, and machine nose 31 wherein is to be cone-shaped, and is provided with a fixed base 311 below machine nose 31, and machine nose 31 peripheries are provided with a plurality of grooves 312, are provided with at least one mounting hole 313 in the groove 312 separately; And fuselage 32 is to be hollow cylindrical, and its inside is provided with a containing space 321, and the corresponding machine nose 31 of an end is provided with a plurality of fixed holes 322, is spirally connected mutually and forms one with the fixed hole 322 with the mounting hole 313 of machine nose 31 and fuselage 32; The outer wall of described fuselage 32 is provided with a ring arc groove 323 in addition, described ring arc groove 323 front ends are contraction sections 3231, and contraction section 3231 is to be the form of radially shrinking gradually, and ring arc groove 323 ends are diffusers 3232, and diffuser 3232 is to be radially the form of diffusion gradually, and contraction section 3231 is provided with a paddy portion 3233 with the intersection of diffuser 3232; It should be noted, the arc of contraction section 3231 footpath less than/equal the arc footpath of diffuser 3232, and the arc length of contraction section 3231 less than/equal the arc length of diffuser 3232.And the inside at ring arc groove 323 is provided with a fin 324 at least, make fin 324 parallel with fuselage 32 axial directions, and fin 324 is the surfaces that protrude in fuselage 32.
One generator set 40 is to coat to be located in the described fuselage 32, and described generator set 40 its centers are provided with a live axle 41 again, make live axle 41 protrude from casing 30.
One impeller 50, be to be provided with a wheel hub 51 at the center, and wheel hub 51 periphery radiation are provided with a plurality of blades 52, wheel hub 51 centers are provided with an axis hole 511, be provided with being mounted on described live axle 41 ends and finish the rotation binding, each blade 52 is provided with windward side 521 and lee face 522 again, is provided with at blade 52 ends and washes 523, and it is opposite with blade 52 windward sides 521 washing down 523 overbending direction, and washes 523 down and equal/spend greater than 90 with the angle of 52 in blade; In addition on the windward side 521 of blade 52, be provided with a plurality of shrinkage pools 53, or 521 be equipped with a plurality of shrinkage pools 53,, and form the form of similar golf sphere because shrinkage pool 53 is to be hemispherical with lee face 522 two sides in the windward side.
During assembling, the fixed base 311 of machine nose 31 belows is to be installed on the pole 60, and casing 30 can be rotated on pole 60 in activity, when making impeller 50 rotated by wind blows, drives generator set 40 and produces electric energy.
See also shown in Fig. 2,4, when the utility model at the air-flow of high wind speed (as shown in FIG., arrow is a direction of representing air-flow) blow down, after air-flow is blown into by machine nose 31 directions, can produce vacuum effect at the contraction section 3231 of fuselage 32 to attract air-flow, make paddy portion 3233 back of airflow passes ring arc groove 323 and enter diffuser 3232, the angle that raises up after utilizing diffuser 3232 to improve air-flow again to blow out.It should be noted, the contraction section 3231 of the utility model ring arc groove 323 designs with the arc footpath and the arc length of diffuser 3232, can change the flowing velocity of air-flow, the distance of extension, and the raise up angle of air-flow after blowing out, make air-flow directly clash into impeller 50 and hit wind area biggest place or blade 52 outermost end, and produce maximum moment; Therefore, casing design of the present utility model, can reduce the resistance that sinuous flow produces, make the air-flow that blows out compile after-blow and hit wind area biggest place to impeller 50, and the effect of raising blast, wind energy utilization efficiency when significantly promoting wind-power electricity generation, through experiment confirm, under same wind friction velocity, can promote the wind energy utilization efficiency really, for wind generating technology, the considerable breakthrough of can saying so.
Please consult Fig. 2 and shown in Figure 5 more simultaneously, impeller 50 of the present utility model is when wind-engaging rotates, be to accept air-flow (as shown in FIG. with the windward side 521 of blade 52, arrow is a direction of representing air-flow) bump, rotate and produce electric energy to promote impeller 50,, climb over blade 52 with desiring and after the air-flow that might form tip vortex stops because the utility model utilizes the following of blade 52 ends to wash 523, directly extending back blows out, and significantly reduces the generation of tip vortex (Tip Vortex).Through experiment confirm, tip vortex can offset about at least 1% generating efficiency, and therefore, so wash 523 designs under of the present utility model, then the part offseted originally of retrieval relatively, also is a kind of mode that promotes wind-power electricity generation efficient.Moreover the tip vortex of blade 52 ends also be one of the forming factors that wind is cut sound, and the utility model can reduce the characteristics that tip vortex produces, and also can reduce wind naturally and cut sound.Moreover, blade of the present utility model 52 surfaces are provided with the shrinkage pool 53 on similar golf ball surface, identical principle during with golf ball flight, can effectively reduce resistance of air, produce lift when making blade 52 runnings and increase wind flow, event can effectively reduce sinuous flow, wind is cut sound, the air quantity and the flow direction, reduction dust in the union, and then the working life and the quiet effect that prolong impeller 50.
In addition, see also shown in Fig. 2,6, the fin 324 that is arranged in the casing 30 ring arc grooves 323 is parallel with the direction of air-flow (as shown in FIG., arrow is a direction of representing air-flow), so air-flow raises up and also can be used for barrier air when blowing out, so the effect that multi-disc fin 324 can be brought into play rectification is set; In addition, when air flow divert, because fin 324 can produce a deflection angle with the flow direction of air-flow, utilize air-flow to put on the positive force of fin 324, produce skew and rotate relative to driving casing 30, make impeller 50 often keep in the face of air-flow next to, also be a characteristic of the present utility model.
As mentioned above, shown in Fig. 2～6, the utility model will have following advantage when implementing:
1. the concave arc shape Streamline Design of the utility model casing 30 can be blown at the air-flow of high wind speed down, produces rectification and increases blast, and improve the advantages such as the angle that raises up that air-flow blows out, the wind energy utilization efficiency when significantly promoting wind-power electricity generation.
Moreover, because blade 52 ends of the present utility model are to be provided with down to wash 523, and can be by washing the generation of 523 minimizing tip vortexes down, significantly to promote the efficient of wind-power electricity generation.
3. in addition, be provided with at least one fin 324 in the concave arc groove 323 of the present utility model, make impeller 50 often keep in the face of air-flow come to, and the effect of seeking wind is automatically arranged.
Moreover, because blade of the present utility model 52 surfaces are provided with a plurality of shrinkage pools 53 on similar golf ball surface, can reduce resistance of air, and can reduce sinuous flow, wind is cut sound, the air quantity and the flow direction, reduction dust in the union, and then the working life and the quiet effect that prolong impeller 50.
The above person, it only is preferred embodiment of the present utility model, be not in order to limit the scope that the utility model is implemented, other are as the shape of casing, or set angle, shape and the size of washing down, or transition regimes such as the shape of surface pitting, spacing, also all among the category of this case; So done equivalence or changed easily Deng being familiar with this skill, change and modification not breaking away from the equalization of being done under spirit of the present utility model and the scope, all should be covered by in the claim of the present utility model.
In sum, wind-driven generator of the present utility model is the model utility with patent, reaches the value to industry; The claimant mentions the application of novel patent according to the regulation of Patent Law.
Claims (7)
1. wind-driven generator is characterized in that it comprises at least:
One casing, it is provided with a machine nose and a fuselage, and described fuselage is provided with ring arc groove, and described ring arc front of the slot is a contraction section, and described ring arc groove rear end is a diffuser, is provided with a paddy portion between described contraction section and described diffuser;
One is located at the generator set in the described casing, and it is provided with a live axle, produces electric energy after the described drive shaft turns;
One is connected at the impeller of described live axle, and it is provided with a wheel hub, and described wheel hub periphery is provided with a plurality of blades to external radiation, and the end of described blade is provided with to be washed, and described impeller is to rotate with the live axle formation of described generator set to link.
2. wind-driven generator according to claim 1 is characterized in that, the inside of described ring arc groove is provided with a fin at least, and described fin is parallel with described fuselage axial direction.
3. wind-driven generator according to claim 1 is characterized in that, the described overbending direction of washing down is opposite with described blade windward side, and washes described under and equal 90 with described interlobate angle and spend.
4. wind-driven generator according to claim 1 is characterized in that, the described overbending direction of washing down is opposite with described blade windward side, and washes under described with described interlobate angle and spend greater than 90.
5. wind-driven generator according to claim 1 is characterized in that, described blade windward side is provided with a plurality of shrinkage pools, and described shrinkage pool is to be hemispherical.
6. wind-driven generator according to claim 1 is characterized in that described blade windward side and lee face are equipped with a plurality of shrinkage pools, and described shrinkage pool is to be hemispherical.
7. wind-driven generator according to claim 1, it is characterized in that described ring arc front of the slot is a contraction section, described contraction section is to be the form of radially shrinking gradually, the end extension of described contraction section is provided with a diffuser, and described diffuser is to be radially the form of diffusion gradually; The intersection of described contraction section and described diffuser is provided with a paddy portion in addition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201506335U CN201407131Y (en) | 2009-05-05 | 2009-05-05 | Wind power generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201506335U CN201407131Y (en) | 2009-05-05 | 2009-05-05 | Wind power generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201407131Y true CN201407131Y (en) | 2010-02-17 |
Family
ID=41678064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201506335U Expired - Fee Related CN201407131Y (en) | 2009-05-05 | 2009-05-05 | Wind power generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201407131Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102022282A (en) * | 2010-12-23 | 2011-04-20 | 何光宁 | Anti-strong wind wind turbine |
| CN102146871A (en) * | 2011-03-29 | 2011-08-10 | 王亮海 | Minitype wind-driven generator |
| CN105089924A (en) * | 2015-08-26 | 2015-11-25 | 陈海花 | Electric generator blade |
| CN112539128A (en) * | 2020-11-09 | 2021-03-23 | 中国海洋大学 | Blade assembly for tidal current energy power generation and tidal current energy water turbine |
| CN116753111A (en) * | 2023-08-11 | 2023-09-15 | 南京永乐照明灯饰有限公司 | Composite wind power generation blade with stable speed increasing and high efficiency |
-
2009
- 2009-05-05 CN CN2009201506335U patent/CN201407131Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102022282A (en) * | 2010-12-23 | 2011-04-20 | 何光宁 | Anti-strong wind wind turbine |
| CN102022282B (en) * | 2010-12-23 | 2012-08-29 | 何光宁 | Strong wind resistant wind driven generator |
| CN102146871A (en) * | 2011-03-29 | 2011-08-10 | 王亮海 | Minitype wind-driven generator |
| CN102146871B (en) * | 2011-03-29 | 2012-06-27 | 王亮海 | Minitype wind-driven generator |
| CN105089924A (en) * | 2015-08-26 | 2015-11-25 | 陈海花 | Electric generator blade |
| CN112539128A (en) * | 2020-11-09 | 2021-03-23 | 中国海洋大学 | Blade assembly for tidal current energy power generation and tidal current energy water turbine |
| CN116753111A (en) * | 2023-08-11 | 2023-09-15 | 南京永乐照明灯饰有限公司 | Composite wind power generation blade with stable speed increasing and high efficiency |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100217 Termination date: 20130505 |