CN113153627B - Multi-layer drainage vertical axis wind turbine - Google Patents
Multi-layer drainage vertical axis wind turbine Download PDFInfo
- Publication number
- CN113153627B CN113153627B CN202110394820.3A CN202110394820A CN113153627B CN 113153627 B CN113153627 B CN 113153627B CN 202110394820 A CN202110394820 A CN 202110394820A CN 113153627 B CN113153627 B CN 113153627B
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- China
- Prior art keywords
- air
- wind
- wind turbine
- air duct
- vertical axis
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- 238000010248 power generation Methods 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010052143 Ocular discomfort Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor
- F03D3/005—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor the axis being vertical
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D15/00—Transmission of mechanical power
- F03D15/10—Transmission of mechanical power using gearing not limited to rotary motion, e.g. with oscillating or reciprocating members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor
- F03D3/04—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor having stationary wind-guiding means, e.g. with shrouds or channels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor
- F03D3/06—Rotors
- F03D3/062—Rotors characterised by their construction elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
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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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention provides a multilayer drainage vertical axis wind driven generator which comprises an air duct fixed through a bracket and a base, wherein an air outlet grating is formed in the top of the air duct, an air inlet grating is formed in the side of the air duct, a multilayer flow guide structure is arranged in the air duct, and a power generation device is arranged at the bottom of the air duct. The multi-layer flow guiding structure comprises a wind guiding layer and blade layers which are distributed at intervals, a wind turbine rotating shaft is arranged in the center of the wind guiding cylinder, wind turbine impellers connected with the wind turbine rotating shaft are arranged in each blade layer, and the blades of the wind turbine impellers are of a C-shaped structure. According to the invention, the wind guide flow channel and the C-shaped blades are arranged for the vertical axis fan, wind energy from all directions is converted into power for rotation of the fan as much as possible, so that the utilization of wind energy near the ground is realized, the vibration of the vertical axis fan and faults caused by the vibration can be greatly reduced, the safety of the vertical axis wind driven generator is improved, and the utilization rate and the power generation efficiency of wind energy are improved through the multi-layer flow guide device.
Description
Technical Field
The invention relates to the field of wind driven generators, in particular to a multilayer drainage vertical axis wind driven generator.
Background
In recent years, with the continuous progress of wind power generation technology, the development of land wind energy is not limited to wind energy of hundred meters high altitude, and wind energy near the ground is becoming more and more important. The vertical axis wind turbine has the advantages of low starting wind speed, low installation requirement, strong adaptability and the like, and is widely used in near-ground wind energy development. At present, the types and the styles of vertical axis wind turbines in the wind power market are rich, but the wind turbines have the problems of large vibration noise, high failure rate, low wind energy utilization rate, discomfort caused by the rotation of the wind turbines to the vision and spirit of people, and the like.
Disclosure of Invention
The invention aims to solve the problems of low wind energy conversion efficiency and uncomfortable visual sense of rapid rotation of impellers of the traditional vertical axis wind driven generator, and provides the multilayer drainage vertical axis wind driven generator which converts wind energy from all directions into power for rotation of the wind driven generator, thereby realizing the utilization of wind energy near the ground and having high power generation efficiency.
The invention comprises an air duct fixed by a bracket and a base, wherein the top of the air duct is provided with an air outlet grating, the side of the air duct is provided with an air inlet grating, a multi-layer flow guiding structure is arranged in the air duct, and the bottom of the air duct is provided with a power generation device connected with an impeller of a wind turbine, and the invention is characterized in that: the multi-layer flow guiding structure comprises a wind guiding layer and blade layers which are distributed at intervals, a wind turbine rotating shaft is arranged in the center of the wind guiding cylinder, a wind turbine impeller connected with the wind turbine rotating shaft can be arranged in each blade layer, and blades of the wind turbine impeller are of a C-like structure; the air inlet grating openings are distributed at the outer edge of the air duct at equal intervals in a strip shape along the vertical direction, a plurality of air guiding channels are distributed at the outer edge of the air guiding layer at equal intervals, the air guiding channels are in one-to-one correspondence with the air inlet grating openings, the air inlet grating openings and the air guiding channels are in arc-shaped distribution after being cut along the radial direction of the air duct, and the air inlet grating openings and the air guiding channels guide air to blow to the concave surfaces of the C-shaped blades.
Further improved, the power generation device is arranged in the bracket and comprises a gear box, a coupler and a generator which are arranged from top to bottom, the lower end of a rotating shaft of the wind turbine is in transmission connection with the input end of the gear box, the output end of the gear box is in transmission connection with the generator through the coupler, and the generator is fixed on the base.
Further improved, the air duct adopts a circular cylinder structure, the upper end of the air duct 1 is provided with an arc end cover, and air outlet grid openings are uniformly arranged on the arc end cover.
Further improved, the number of blades of the wind turbine impeller is an even number of 4 or more.
The invention has the beneficial effects that:
1. according to the invention, the wind guide flow channel and the C-shaped blades are arranged for the vertical axis fan, so that wind energy from all directions is converted into power for rotating the fan, and the utilization of wind energy near the ground is realized. The thrust generated by wind energy from all directions acts on the wind guide cylinder body and the bracket of the vertical axis wind turbine, and the wind energy acted on the blades is converted into the rotating force for driving the power generation device as much as possible, so that the vibration of the vertical axis wind turbine is reduced, the faults of the wind turbine are reduced, and the safety of the vertical axis wind turbine is improved. And through the multilayer flow guiding device, the utilization rate of wind energy is improved, and the power generation efficiency of the vertical axis wind driven generator is improved.
2. The impeller which rotates continuously is hidden through the air duct which is fixed at the outermost side, and the visual discomfort of the rotation of the impeller is reduced.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is an isometric view of the invention.
Fig. 3 is a top view of the present invention.
Fig. 4 is a cross-sectional view of an embodiment of the present invention.
Fig. 5 is a cross-sectional view of a second embodiment of the present invention.
In the figure: 1. the wind guide tube, 2, the air inlet grid mouth, 3, the air outlet grid mouth, 4, the wind turbine rotating shaft, 5, the gear box, 6, the shaft coupling, 7, the generator, 8, the support, 9, the base, 10, the wind guiding layer, 11, the induced air runner, 12, the wind turbine impeller, 13, the secondary wind turbine impeller, 14, the primary wind guide tube, 15, the primary induced air runner, 16, the primary wind turbine impeller, 17, the secondary wind guide tube, 18, the secondary induced air runner.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
The front view, the axial side view and the top view of the air duct are respectively shown in fig. 1, fig. 2 and fig. 3, and the air duct comprises an air duct 1 fixed through a bracket 8 and a base 9, wherein an air outlet grid opening 3 is formed in the top of the air duct 1, an air inlet grid opening 2 is formed in the side of the air duct, a multilayer flow guide structure is arranged in the air duct 1, and a power generation device is arranged at the bottom of the air duct 1. The multi-layer flow guiding structure comprises a wind guiding layer and blade layers which are distributed at intervals, a wind turbine rotating shaft 4 is arranged in the center of the wind guiding cylinder, a wind turbine impeller 12 connected with the wind turbine rotating shaft 4 is arranged in each blade layer, and the blades of the wind turbine impeller are of a C-like structure; the air inlet grating openings are distributed at the outer edge of the air duct at equal intervals in a strip shape along the vertical direction, a plurality of air guiding channels are distributed at the outer edge of the air guiding layer at equal intervals, the air guiding channels are in one-to-one correspondence with the air inlet grating openings, the air inlet grating openings and the air guiding channels are in arc-shaped distribution after being cut along the radial direction of the air duct, and the air inlet grating openings and the air guiding channels guide air to blow to the concave surfaces of the C-shaped blades.
The power generation device is arranged in the bracket and comprises a gear box, a coupler and a generator which are arranged from top to bottom, the lower end of a rotating shaft of the wind turbine is in transmission connection with the input end of the gear box, the output end of the gear box is in transmission connection with the generator through the coupler, and the generator is fixed on the base. The air duct adopts a circular cylinder structure, the upper end of the air duct 1 is provided with an arc end cover, and air outlet grid openings are uniformly arranged on the arc end cover.
Embodiment one:
in a specific embodiment shown in fig. 4, the air duct is provided with an air guide layer 10 and a blade layer, and the outer edge of the air guide layer 10 is provided with air guide channels 11 distributed at equal intervals. The blade layer is provided with a wind turbine impeller 12 connected with the central wind turbine rotating shaft 4.
Embodiment two:
as shown in FIG. 5, another embodiment of the invention is that the air duct is internally provided with two air guide layers and two blade layers, namely a primary air duct 14, a primary blade layer, a secondary air duct 17 and a secondary blade layer from outside to inside, wherein the primary air duct 14 is fixed on a base 9 through a bracket 8, the outer edge of the primary air duct 14 is provided with primary air guide channels 15 distributed at equal intervals, the primary blade layer is internally provided with a primary wind turbine impeller 16, and the primary wind turbine impeller 12 is annularly arranged on a wind turbine rotating shaft 4 at the bottom.
The secondary air duct 17 is also fixed on the base 9 through the bracket 8, secondary air guide channels 18 distributed at equal intervals are arranged on the outer edge of the secondary air duct 17, secondary air blower impellers 13 are arranged in the secondary blade layers, and the secondary air blower impellers 13 are annularly arranged on the wind blower rotating shaft 4 at the bottom.
The working principle of the structure is as follows: the outdoor wind in all directions is guided by a primary air guiding flow passage 15 of a primary air guide cylinder 14 to drive a primary wind turbine impeller 16 to rotate, and then guided by a secondary air guiding flow passage 18 of a secondary air guide cylinder 17 to drive a secondary wind turbine impeller 13 to rotate. The outdoor wind sequentially flows downwards to be transmitted until the wind energy is exhausted, and finally is discharged from the air outlet grid opening 3 at the top of the primary air duct 14 along the innermost rotating shaft of the wind turbine. The kinetic energy obtained by the primary wind turbine impeller 16 and the secondary wind turbine impeller 13 is transmitted to the input end of the gear box 5 through the lower end of the wind turbine rotating shaft 4, after the rotational speed of the gear box 5 is increased, the output end of the gear box 5 drives the generator 7 to rotate through the coupler 6 to work and continuously output electric energy to the outside, so that wind power generation is realized. Finally, the wind depleted of wind energy rises along the innermost layer wind turbine impeller (for example, for a two-layer wind turbine, the innermost layer wind turbine impeller is the secondary wind turbine impeller 13) and is discharged from the air outlet grid opening 3 at the top of the air duct 1.
The present invention has been described in terms of the preferred embodiments thereof, and it should be understood by those skilled in the art that various modifications can be made without departing from the principles of the invention, and such modifications should also be considered as being within the scope of the invention.
Claims (2)
1. The utility model provides a vertical axis aerogenerator of multilayer drainage, includes the air duct that passes through support and base are fixed, and open at air duct top has the air outlet grating mouth, and open the side has the air inlet grating mouth, is provided with multilayer water conservancy diversion structure in the air duct, and air duct bottom is provided with power generation facility, its characterized in that: the multi-layer flow guiding structure comprises a wind guiding layer and blade layers which are distributed at intervals, a wind turbine rotating shaft is arranged in the center of the wind guiding cylinder, a wind turbine impeller connected with the wind turbine rotating shaft is arranged in each blade layer, and blades of the wind turbine impeller are of a C-like structure; the air inlet grid openings are distributed at equal intervals in a strip shape along the vertical direction on the outer edge of the air guide cylinder, a plurality of air guide channels are distributed at equal intervals on the outer edge of the air guide layer, the air guide channels are in one-to-one correspondence with the air inlet grid openings, the air inlet grid openings and the air guide channels are in arc-shaped distribution after being cut along the radial direction of the air guide cylinder, and the air inlet grid openings and the air guide channels guide air to blow to the concave surfaces of the C-shaped blades; the power generation device is arranged in the bracket and comprises a gear box, a coupler and a generator which are arranged from top to bottom, the lower end of a rotating shaft of the wind turbine is in transmission connection with the input end of the gear box, the output end of the gear box is in transmission connection with the generator through the coupler, and the generator is fixed on the base; the air duct adopts a circular cylinder structure, the upper end of the air duct is provided with an arc-shaped end cover, and air outlet grid openings are uniformly arranged on the arc-shaped end cover.
2. The multilayer drainage vertical axis wind turbine of claim 1, wherein: the number of the blades of the wind turbine impeller is 4 or an even number larger than 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110394820.3A CN113153627B (en) | 2021-04-13 | 2021-04-13 | Multi-layer drainage vertical axis wind turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110394820.3A CN113153627B (en) | 2021-04-13 | 2021-04-13 | Multi-layer drainage vertical axis wind turbine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113153627A CN113153627A (en) | 2021-07-23 |
| CN113153627B true CN113153627B (en) | 2024-03-29 |
Family
ID=76890065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110394820.3A Active CN113153627B (en) | 2021-04-13 | 2021-04-13 | Multi-layer drainage vertical axis wind turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113153627B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629050A (en) * | 2013-11-16 | 2014-03-12 | 中国科学院电工研究所 | Cross-flow and rotational flow wind driven generator |
| CN112049754A (en) * | 2020-09-15 | 2020-12-08 | 陈征 | Vertical axis wind power generation wind turbine device and wind generating set |
-
2021
- 2021-04-13 CN CN202110394820.3A patent/CN113153627B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629050A (en) * | 2013-11-16 | 2014-03-12 | 中国科学院电工研究所 | Cross-flow and rotational flow wind driven generator |
| CN112049754A (en) * | 2020-09-15 | 2020-12-08 | 陈征 | Vertical axis wind power generation wind turbine device and wind generating set |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113153627A (en) | 2021-07-23 |
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