CN201372903Y - Wind energy-mechanical energy conversion device - Google Patents
Wind energy-mechanical energy conversion device Download PDFInfo
- Publication number
- CN201372903Y CN201372903Y CN200920105922U CN200920105922U CN201372903Y CN 201372903 Y CN201372903 Y CN 201372903Y CN 200920105922 U CN200920105922 U CN 200920105922U CN 200920105922 U CN200920105922 U CN 200920105922U CN 201372903 Y CN201372903 Y CN 201372903Y
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- China
- Prior art keywords
- wind
- cover body
- hollow cover
- conversion device
- wind gathering
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- 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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- 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 provides a wind energy-mechanical energy conversion device comprising a hollow cover body. The hollow cover body is provided with a columnar peripheral surface and two end surfaces, wherein the columnar peripheral surface is provided with a plurality of wind inlets; at least one of the end surfaces is provided with a plurality of wind escape ports; each wind inlet is connected with a wind gathering bucket; each wind gathering bucket is provided with an inlet and an outlet, and the area of the inlet is larger than that of the outlet; a rotating shaft is arranged on the hollow cover body in a penetrating way, and is rotatably supported on both end surfaces of the hollow cover body; the rotating shaft in the hollow cover body is connected with a rotary wheel; and the periphery of the rotary wheel is provided with a plurality of blades. The wind energy-mechanical energy conversion device can effectively gather wind from a plurality of directions, thereby improving the strength of the wind force as well as the utilization efficiency of the wind energy and effectively solving the problems of small wind force and multiple wind directions.
Description
Technical field
The utility model is relevant for field of wind energy utilization, specifically, and relevant for a kind of wind energy-mechanical energy conversion device that wind energy is converted to mechanical energy.
Background technique
The utilization of wind energy is that the world obtains one of most important mode of the energy.Along with the minimizing gradually of coal, oil fossil energy even nuclear fuel, in addition exhausted, and the cost that people obtain the energy is also more and more higher.Along with the increase of CO2 emission, the corresponding disaster of the earth also increases the weight of day by day.The resource exhaustion of the earth at first is the exhaustion of the exhaustion of energy resources, especially fossil energy.But wind is to shine upon the earth to make the spontaneous product of air flows, and wind energy is a kind of product of solar energy strictly speaking, as long as shined upon the earth one day, will there be one day in wind energy.Wind energy safety, cleaning, aboundresources, inexhaustible.The most important thing is that wind energy is a kind of local resource of nonvolatil a large amount of existence, can provide energy supply steady in a long-term for us, it does not have the raw material risk, does not more have the fuel price risk, can not produce the carbon discharge capacity yet.Although the advantage of Wind Power Utilization is a lot, owing to be subjected to the influence of factors such as the wind-force power changes, wind direction comes and go, limited effective utilization of wind energy.
For example, three traditional leaf oar blade type wind power plants owing to adopt the oar blade type driving mode, it is lower to drive efficient, and to the requirement of wind speed than higher, institute's generated energy is considerably less in the time of a little less than wind-force, even is zero, this has brought waste to electrical network.The Chinese patent publication number provides a kind of wide-mouth wind gathering sealed bucket wheel wind power generating set for CN1740558A, and it can pass through the wide-mouth wind concentrator, improves the intensity of wind-force, thereby solves wind-force cumulative problem hour; But this kind has the problem that the wind power generating set of wind gathering function need solve change of the wind by the steering gear of complexity, not only makes the equipment complexity, the manufacture cost height, and reduced the utilization ratio of wind energy.
Therefore, be necessary to provide a kind of new wind energy-mechanical energy conversion device, overcome the above-mentioned defective that existing Wind Power Utilization device exists.
The model utility content
The purpose of this utility model is, a kind of wind energy-mechanical energy conversion device is provided, and it can improve the intensity of wind-force in the effective wind gathering of a plurality of directions, improves the utilization ratio of wind energy.
Above-mentioned purpose of the present utility model can adopt following technological scheme to solve: a kind of wind energy-mechanical energy conversion device, and this device comprises:
A plurality of wind gathering buckets, each wind gathering bucket has import and outlet, and wherein inlet-duct area is greater than discharge area;
Hollow cover body, this hollow cover body have column side face and two end faces, wherein offer a plurality of intake grills on the column side face, and each intake grill is connected with the outlet of described wind gathering bucket; And on one of them end face, be provided with a plurality of air ports of letting out;
Described hollow cover body is passed in rotating shaft, this rotating shaft, and is supported on rotationally on the described hollow cover body;
Runner is arranged in the described hollow cover body, and is connected in the described rotating shaft, circumferentially is provided with a plurality of blades at this runner.
In an optional mode of execution of the present utility model, the intake grill on the described hollow cover body equates with the number of letting out the air port, and is crisscross arranged on circumferentially.
In an example of the present utility model, the ratio between the import of described wind gathering bucket and the outlet is 200-500: 1.
In the utility model, described hollow cover body is cylindrical, and the outer cylinder of the central axis of described wind gathering bucket and this cylindrical hollow cover body is tangent.
In the utility model, described blade forms the two sides opening and the small room shape of other face closure after being connected on the described runner, letting out on the end face that the air port is arranged on the hollow cover body of described hollow cover body, an opening of wherein said small room shape blade is towards the intake grill direction of hollow cover body, and the another side opening is let out the air port direction towards described hollow cover body.
In an optional mode of execution of the present utility model, described wind gathering bucket is distributed on the circumferential of hollow cover body.
In an object lesson of the present utility model, the cross section of described wind gathering bucket is square.
In the utility model, the side margin of the import of a plurality of wind gathering buckets that described hollow cover body is circumferential abuts against together.
In an object lesson of the present utility model, the top edge and the lower limb of the import of described wind gathering bucket form circular arc, and the side margin of the import of this adjacent wind gathering bucket abuts against together, and circumferential a plurality of top edge, the lower limbs that abut against wind gathering bucket together of described hollow cover body form circle respectively.
Wind energy-mechanical energy conversion device of the present utility model also can include wind gathering bucket and hollow cover body are supported on aerial support device.
Adopt said structure of the present utility model, effect of the present utility model is significant: because the utility model corresponding a plurality of inlet-duct areas wind gathering bucket greater than discharge area that is connected with on circumferential a plurality of intake grills of hollow cover body, and will let out on the end face that the air port is arranged on the hollow cover body, the feasible wind that blows from a plurality of directions can both enter into the hollow cover body by converging of wind gathering bucket makes blade drive the rotating shaft rotation, thereby wind energy is converted to the rotary machine energy of rotating shaft, the little wind power utilization problem that solution is set by the wind gathering bucket not only, and efficiently solve the wind direction problem by simple structure, improve the utilization ratio of wind energy, and reduced the manufacture cost of Wind Power Utilization equipment.After particularly abutting against the inlet edge of wind gathering bucket together, the wind of any direction all can enter in the wind gathering bucket, thereby can realize the Wind Power Utilization of any wind direction, has further improved the utilization ratio of wind energy.
Description of drawings
Accompanying drawing described here only is used for task of explanation, and does not represent the intention that limits the utility model scope of disclosure by any way.In addition, the shape of each parts among the figure and proportional sizes etc. only are schematically, be used for helping to understanding of the present utility model, and be not shape and the proportional sizes that specifically limits each parts of the utility model.Those skilled in the art can select various possible shapes and proportional sizes to implement the utility model under instruction of the present utility model as the case may be.
Fig. 1 is the perspective view of wind energy-mechanical energy conversion device of the present utility model;
Fig. 2 is the main TV structure schematic representation of Fig. 1;
Fig. 3 is the critical piece three-dimensional exploded view of the utility model wind energy-mechanical energy conversion device;
Fig. 4 is the transverse sectional view of an example of wind energy-mechanical energy conversion device of the present utility model;
Fig. 5 is the combining structure schematic representation of wind gathering bucket of the present utility model and hollow cover body.
Embodiment
Below in conjunction with accompanying drawing, describe the details of embodiment of the present utility model in detail.But, need to prove that following description only is exemplary in essence, disclose, use or use and be not intended to limit the utility model.Therefore and do not mean that and limit in description, only be used for reference at this employed some term.
As Fig. 1-shown in Figure 5, the utility model provides a kind of wind energy-mechanical energy conversion device.This device comprises a plurality of wind gathering buckets 1, hollow cover body 2, rotating shaft 3 and runner 4, and wherein each wind gathering bucket 1 has import 11 and outlet 12, and the area of its import 11 is greater than outlet 12 areas; Hollow cover body 2 has column side face 21 and two end faces 22, offers a plurality of intake grills 23 on column side face 21, and each intake grill 23 is connected with the outlet 12 of a wind gathering bucket 1; And on one of them end face 22, be provided with a plurality of air ports 24 of letting out; Hollow cover body 2 is passed in rotating shaft 3, and is supported on rotationally on two end faces 22 of described hollow cover body 2, and runner 4 is connected in the rotating shaft 3 in the hollow cover body 2, at a plurality of blades 41 of circumferentially being provided with of this runner 4.
Out-of-date as wind, wind enters in the wind gathering bucket 1 by the bigger import 11 of wind gathering bucket 1, wind gathering bucket 1 is converged the pressurization back to be entered in the hollow cover body 2 by the intake grill 23 that is connected the hollow cover body 2 in 1 outlet 12 of wind gathering bucket, promote hollow cover body 2 intra vanes 41 and make runner 4 drive rotating shaft 3 rotations, discharge in the let out air port 24 of air-flow on hollow cover body 2 end faces 22 then, thereby wind energy is converted to the rotary machine energy of rotating shaft 3, this rotating shaft 3 can be connected in motor and drive motor generating or be connected in the machinery that other need utilize mechanical energy, as air compressor etc.
In the above-mentioned process that wind energy is converted to mechanical energy of the utility model, because the corresponding wind gathering bucket 1 of a plurality of inlet-duct areas that be connected with on circumferential a plurality of intake grills 23 of hollow cover body 2 greater than discharge area, and will let out on the end face 22 that air port 24 is arranged on hollow cover body 2, the feasible wind that blows from a plurality of directions can both form high pressure draught by converging of wind gathering bucket 1 and enter into hollow cover body 2, making blade 41 drive rotating shaft 3 rotates, thereby wind energy is converted to the rotary machine energy of rotating shaft 3, the little wind power utilization problem that solution is set by wind gathering bucket 1 not only, and efficiently solve the wind direction problem by simple structure, improve the utilization ratio of wind energy, and reduced the manufacture cost of Wind Power Utilization equipment.
In the utility model, the number of wind gathering bucket 1 and blade 41 can be provided with as required, the setting that can be provided with for large-scale plant more, and for some midget plants just can corresponding setting few, generally adopt 4-12.In accompanying drawing of the present utility model,, wind gathering bucket 1 and blade 41 have been provided and are 6 object lesson as signal.
In an object lesson of the present utility model, this wind energy-mechanical energy conversion device also can include wind gathering bucket 1 and hollow cover body 3 are supported skyborne support device 5, and this support device for example can be support, supporting base etc.As shown in Figure 1 and Figure 2, as example, this support device is the high multiway support of about 50-100 rice.By the support of support device 5, it is high aerial that the wind gathering bucket 1 of wind energy-mechanical energy conversion device is positioned at, and the wind speed in high-altitude is than the height on ground, thereby can obtain bigger wind speed, improves the utilization ratio of wind energy.For stability that increases device and the collapsing force of avoiding extreme wind, also can further tiltedly draw fixing with some wire rope 6 at different direction, the end of wire rope can be connected buried on underground concrete stake, and this wind energy-mechanical energy conversion device can be resisted strong wind more than 12 grades like this.
In an optional mode of execution of the present utility model, as Fig. 3, shown in Figure 5, the intake grill 23 on the described hollow cover body 2 equates with the number of letting out air port 24, and is crisscross arranged on circumferentially.Like this, the high pressure draught of intake grill 23 that enters into hollow cover body 2 from wind gathering bucket 1 can be discharged from letting out air port 24, in order to avoid influence entering of follow-up high pressure draught promoting blade 41 effectively after the acting.As shown in Figure 3, sense of rotation along rotating shaft 3, each lets out air port 24 all at the rear of next intake grill 23, and can effectively do work under high pressure conditions with the high pressure draught that guarantees previous intake grill 23 finishes, and is advanced to then to let out behind the air port 24 to discharge outside the hollow cover bodies 2 from letting out air port 24 again.Wherein in Fig. 3, Fig. 5 as signal, only show part wind gathering bucket 1, and in fact, all be connected with wind gathering bucket 1 at each intake grill 23 of hollow cover body 2.
In the utility model, the proportional sizes of wind gathering bucket 1 can determine according to the long-term mean wind velocity in locality, if local mean wind velocity is higher, then can and export shorter that distance between 12 is provided with the import 11 of wind gathering bucket 1, mean wind velocity is lower, and what then their distance is provided with is longer.The distance and the wind speed relation of being inversely proportional to of this import 11 and outlet 12.Usually the distance of import 11 and outlet 12 is 10 meters-100 meters a scope.In an example of the present utility model, the ratio between the area of the import 11 of described wind gathering bucket 1 and outlet 12 the area can be 200-500: 1, for example can be 200: 1,300: 1,500: 1 etc.If wind speed is 0.1 meter per second, the area of import 11 is 400 square metres, and the area of importing and exporting area ratio and be 200: 1 outlets 12 is 2 square metres, and the air after the air-flow that enters from import 11 contracts through 200 multiplication of voltages can form huge cumulative power.Like this, utilize this wind gathering bucket 1,, promote blade 41 actings, effectively improved the utilization ratio of wind energy even very little wind speed also can form huge cumulative air (high pressure draught) behind wind gathering bucket 1 with supercharging wind gathering function.
In a preferred embodiment of the present utility model, as shown in Figure 3, Figure 4, described hollow cover body 2 can be cylindrical, and the outer cylinder of the central axis of described wind gathering bucket 1 and this cylindrical hollow cover body 2 is tangent.Like this, as shown in Figure 4, enter into the high pressure draught of intake grill 23 and radial blade 41 by wind gathering bucket 1 and basically form and be the right angle, under the situation that moment equates, can form maximum Driving force, thereby further improve the utilization ratio of wind energy.
As shown in Figure 3, in an object lesson of the present utility model, after this blade 41 was connected on the runner 4, this blade 41 formed the two sides opening and the small room shape of other face closure.In this example, described hollow cover body 2 a plurality of let out on the end face 22 that air port 24 all is arranged on hollow cover body 2, wherein small room shape blade 41 opening 411 is towards the direction of the intake grill 23 of hollow cover body 2, another side opening 412 is towards the direction of letting out air port 24 of described hollow cover body 2, thereby the high pressure draught that is entered into hollow cover body 2 by intake grill 23 enters in the small room from the opening 411 of blade 41, promoting blade 41 rotates rotating shaft 3, when this small room shape blade 41 is advanced to its another opening 412 when letting out air port 24, the air-flow in the small room is discharged through letting out air port 24.The structure of the blade 41 of this kind small room shape can farthest form resistance to high pressure draught, prevents air-flow other letting out in the acting process, has prolonged the delay of survival gas, thereby has greatly improved the mechanical efficiency of high pressure draught.
In the utility model, as shown in Figure 1-Figure 3, described wind gathering bucket 1 preferably is distributed on the circumferential of hollow cover body 2, and the wind that is beneficial to all directions is in wind gathering bucket 1 enters into hollow cover body 2, and then 41 actings of promotion blade.
As Fig. 3, shown in Figure 5, in an object lesson of the present utility model, the cross section of described wind gathering bucket 1 can be square.Further, as shown in Figure 1 and Figure 2, this side margin that is positioned at the import 11 of the circumferential adjacent wind gathering bucket 1 of hollow cover body 2 can abut against together.Like this, these a plurality of wind gathering buckets 1 upwards linked together in whole week, and the wind from any direction comes can both enter into promotion blade 41 actings in the hollow cover body 2 by one of them or several wind gathering bucket 1.
In above-mentioned example, as shown in Figure 1, the top edge and the lower limb of the import 11 of described wind gathering bucket 1 form circular arc, and the side margin of the import 11 of this adjacent wind gathering bucket 1 abuts against together, and described hollow cover body 2 circumferential a plurality of top edge, lower limbs that abut against wind gathering bucket 1 together form circle respectively.Like this, a plurality of wind gathering bucket 1 integral body that link together in the outside of this device form cylindrical, can effectively reduce windage, improve the stability of whole device.
Adopt said structure of the present utility model, wind energy-mechanical energy conversion device of the present utility model can make that utilization ratio of wind energy reaches more than 95%.
Foregoing description of the present utility model only is exemplary attribute, and the various distortion that therefore do not depart from the utility model main idea ought to be within scope of the present utility model.For example, let out the example of air port 24, it will be understood by those skilled in the art that this lets out air port 24 and also can all be arranged on the lower end surface, perhaps on the upper and lower end face, be respectively arranged with this and let out air port 24 in the upper-end surface though only show in the drawings.These distortion should not be regarded as departing from spirit and scope of the present utility model.
Claims (10)
1, a kind of wind energy-mechanical energy conversion device is characterized in that, this device comprises:
A plurality of wind gathering buckets, each wind gathering bucket has import and outlet, and wherein inlet-duct area is greater than discharge area;
Hollow cover body, this hollow cover body have column side face and two end faces, wherein offer a plurality of intake grills on the column side face, and each intake grill is connected with the outlet of described wind gathering bucket; And on one of them end face, be provided with a plurality of air ports of letting out;
Described hollow cover body is passed in rotating shaft, this rotating shaft, and is supported on rotationally on the described hollow cover body;
Runner, this runner are arranged in the described hollow cover body, and are connected in the described rotating shaft, circumferentially are provided with a plurality of blades at this runner.
2, wind energy-mechanical energy conversion device as claimed in claim 1 is characterized in that, the intake grill on the described hollow cover body equates with the number of letting out the air port, and is crisscross arranged on circumferentially.
3, wind energy-mechanical energy conversion device as claimed in claim 1 is characterized in that, the inlet-duct area of described wind gathering bucket and the ratio between the discharge area are 200-500: 1.
4, wind energy-mechanical energy conversion device as claimed in claim 1 is characterized in that, described hollow cover body is cylindrical, and the outer cylinder of the central axis of described wind gathering bucket and this cylindrical hollow cover body is tangent.
5, wind energy-mechanical energy conversion device as claimed in claim 1, it is characterized in that, described blade forms the two sides opening and the small room shape of other face closure after being connected on the described runner, letting out on the end face that the air port is arranged on the hollow cover body of described hollow cover body, an opening of wherein said small room shape blade is towards the intake grill direction of hollow cover body, and the another side opening is let out the air port direction towards described hollow cover body.
6, wind energy-mechanical energy conversion device as claimed in claim 1 is characterized in that, described wind gathering bucket is distributed on the circumferential of hollow cover body.
7, wind energy-mechanical energy conversion device as claimed in claim 1 is characterized in that, the cross section of described wind gathering bucket is square.
8, wind energy-mechanical energy conversion device as claimed in claim 1 is characterized in that, the side margin of the import of a plurality of wind gathering buckets that described hollow cover body is circumferential abuts against together.
9, wind energy-mechanical energy conversion device as claimed in claim 1, it is characterized in that, the top edge and the lower limb of the import of described wind gathering bucket form circular arc, and the side margin of the import of this adjacent wind gathering bucket abuts against together, and circumferential a plurality of top edge, the lower limbs that abut against wind gathering bucket together of described hollow cover body form circle respectively.
10, wind energy-mechanical energy conversion device as claimed in claim 1 is characterized in that, this device also includes wind gathering bucket and hollow cover body are supported on aerial support device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920105922U CN201372903Y (en) | 2009-02-17 | 2009-02-17 | Wind energy-mechanical energy conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920105922U CN201372903Y (en) | 2009-02-17 | 2009-02-17 | Wind energy-mechanical energy conversion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201372903Y true CN201372903Y (en) | 2009-12-30 |
Family
ID=41498987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920105922U Expired - Fee Related CN201372903Y (en) | 2009-02-17 | 2009-02-17 | Wind energy-mechanical energy conversion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201372903Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112054588A (en) * | 2020-09-10 | 2020-12-08 | 四川大学 | Wind-solar hybrid power generation system |
-
2009
- 2009-02-17 CN CN200920105922U patent/CN201372903Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112054588A (en) * | 2020-09-10 | 2020-12-08 | 四川大学 | Wind-solar hybrid power generation system |
| CN112054588B (en) * | 2020-09-10 | 2022-06-21 | 四川大学 | Wind-solar hybrid power generation system |
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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: 20091230 Termination date: 20150217 |
|
| EXPY | Termination of patent right or utility model |