CN117212056A - Wind power generation device with wind collecting tower and spherical fan blades - Google Patents
Wind power generation device with wind collecting tower and spherical fan blades Download PDFInfo
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- CN117212056A CN117212056A CN202311387856.4A CN202311387856A CN117212056A CN 117212056 A CN117212056 A CN 117212056A CN 202311387856 A CN202311387856 A CN 202311387856A CN 117212056 A CN117212056 A CN 117212056A
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- 238000010248 power generation Methods 0.000 title claims abstract description 44
- 238000006243 chemical reaction Methods 0.000 claims description 20
- 238000004146 energy storage Methods 0.000 claims description 18
- 230000000712 assembly Effects 0.000 claims description 14
- 238000000429 assembly Methods 0.000 claims description 14
- 241000883990 Flabellum Species 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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Abstract
The invention provides a wind power generation device with a wind collecting tower and spherical fan blades, which comprises a top guide ring, a guide support assembly, a bottom guide assembly and a spherical fan assembly, wherein the top guide ring is connected with the bottom guide assembly through the guide support assembly, and a containing space is enclosed by the top guide ring, the guide support assembly and the bottom guide assembly; the flow guide support assembly is provided with a longitudinal air channel which is used for guiding air flowing through to the accommodating space; the bottom flow guide assembly is provided with a transverse air channel which is used for guiding air flowing through to the accommodating space; the spherical fan assembly is arranged in the accommodating space and is used for being connected with an externally connected power generation structure. The invention makes wind power generation more convenient and efficient, and effectively avoids the technical problems that the length of the fan blade is lengthened for improving the power generation efficiency and the long fan blade is not suitable for maintenance and transportation in the prior art.
Description
Technical Field
The invention belongs to the technical field related to wind power generation equipment, and particularly relates to a wind power generation device provided with a wind collecting tower and spherical fan blades.
Background
Currently, in the field of new energy power generation, wind power generation is a very important part. At present, the wind power generation overall is still developed according to the wind power generation mode of the wind drum and the wind wheel, so that the mode of increasing the power generation power is the mode of lengthening the size of the impeller, and the technical effect of increasing the windward area is achieved.
Wherein, the wind energy formula of wind power generation is E=1/2 Pt eta pi r 2 V 3 。
According to the formula, under the condition that the wind density is fixed, wind energy is the square of the radius of the wind wheel and is the cube of the wind speed. Therefore, if the generation power is required to be increased according to the development of the existing technical route of the tower wind wheel, the length of the fan blade can only be increased to increase the wind area. However, the existing route is constrained by the following defects, the engineering difficulty is increased, and various problems also occur frequently:
1. the longer the fan blade is, the greater the transportation difficulty is, and a plurality of wind fields are in mountains, so that the transportation conditions are more limited, and the transportation cost is extremely high; 2. in the prior art, the generator is arranged at the top, so that the operation and maintenance difficulties are high, and once the problems of fire and the like occur, the rescue difficulty is high; 3. the longer the fan blade is, the heavier the generator is, the two sides together form a form with light weight, the more unstable the structure is, the risk of tower inversion is increased, and the structural cost of the tower barrel for resisting shearing force is greatly increased; 4. the longer the fan blade, the closer the material properties of the existing fiber materials are to the limit, and the larger the probability of slurry interruption in extreme weather such as typhoon and snow storm is; 5. the longer the fan blade is, the larger the blade tip speed ratio is, the larger the formed noise is, and the more the fan blade is far away from cities and buildings, so that the cost of a power transmission line is increased; 6. the development direction of distributed wind power formulated in China is to reduce the cost of a power grid, and the power generation side and the power utilization side are tightly combined, but the larger the fan is, the more the noise and the image interference are far away from an industrial park and urban residents.
Disclosure of Invention
The invention aims to solve the technical problems of inconvenient transportation and inconvenient maintenance caused by overlarge fan blades of a wind power generation device, and effectively improves the energy conversion efficiency.
In order to solve the technical problems, the invention adopts the following technical scheme: the wind power generation device comprises a top guide ring, a guide support assembly, a bottom guide assembly and a spherical fan assembly, wherein the top guide ring is connected with the bottom guide assembly through the guide support assembly, and a containing space is enclosed by the top guide ring, the guide support assembly and the bottom guide assembly;
the guide support assembly is provided with a longitudinal air duct, and the longitudinal air duct is used for guiding air flowing through to the accommodating space;
the bottom flow guide assembly is provided with a transverse air channel which is used for guiding air flowing through to the accommodating space;
the spherical fan assembly is arranged in the accommodating space and is used for being connected with an externally connected power generation structure.
Further, the flow guiding support assembly comprises a shear structure column and first flow guiding plates arranged on two sides of the shear structure column, the longitudinal air channel is formed between the shear structure column and the first flow guiding plates on two sides of the shear structure column, one end of the shear structure column is connected with the top flow guiding ring, and the other end of the shear structure column is connected with the bottom flow guiding assembly;
one end of the shear structure column is connected with the top guide ring, and the other end of the shear structure column is connected with the bottom guide assembly.
Further, the flow guiding support assemblies are provided with four groups, and the adjacent flow guiding support assemblies are distributed at intervals and enclose the accommodating space.
Further, the bottom flow guiding assembly comprises a second flow guiding plate, and two ends of the second flow guiding plate are respectively connected with the adjacent flow guiding support assemblies;
the second guide plate is used for guiding the flowing air to the accommodating space.
Further, the bottom flow guiding assembly further comprises a plurality of draft chimneys, the plurality of draft chimneys are sequentially connected between the adjacent shear structure columns, and the draft chimneys at two ends are respectively connected with the corresponding shear structure columns.
Further, the bottom flow guiding assembly further comprises a pressure flow conversion plate, two ends of the pressure flow conversion plate are respectively connected with the corresponding shear structure columns, and the transverse air channel is formed between the pressure flow conversion plate and the second flow guiding plate;
the draft chimney is arranged between the pressure flow conversion plate and the second guide plate.
Further, the bottom flow guiding assembly further comprises an energy storage bin, wherein the energy storage bin is connected with the shear structure column, and the energy storage bin is used for accommodating the power generation structure.
Further, an air inlet is arranged between the energy storage bin and the pressure flow conversion plate, and the air inlet is communicated with the accommodating space.
Further, the spherical fan assembly comprises fan blades and a rotating shaft, wherein the fan blades are arc-shaped blades, and the fan blades are connected with one end of the rotating shaft;
one end of the rotating shaft, which is far away from the fan blade, is used for being connected with the power generation structure.
Further, the spherical fan assembly further comprises a supporting rod, one end of the supporting rod is connected with the free end of the fan blade, and the other end of the supporting rod is connected with the rotating shaft.
The invention has the advantages and positive effects that: by adopting the technical scheme, the wind power generation is more convenient and efficient, and the technical problems that the length of the fan blade is lengthened for improving the power generation efficiency and the long fan blade is not suitable for maintenance and transportation in the prior art are effectively avoided; the invention has the advantages of simple structure, convenient maintenance, low processing cost, good use effect and the like.
Drawings
FIG. 1 is a schematic perspective view of a wind power generation device provided with a wind collecting tower and spherical fan blades under a first view angle;
FIG. 2 is a schematic perspective view of a wind power generation device with a wind collecting tower and spherical blades according to the present invention at a second view angle;
FIG. 3 is a schematic diagram of a front view of a wind tower section of a wind power plant with a wind tower and spherical blades according to the present invention;
fig. 4 is a schematic perspective view of a wind collecting tower part of the wind power generation device provided with the wind collecting tower and the spherical fan blades.
In the figure:
1-a top deflector ring; 2-a diversion support assembly; 21-a shear structure column; 22-a first deflector; 3-a bottom deflector assembly; 31-a second deflector; 32-a draft chimney; 33-a press flow conversion plate; 34-air inlet; 35-an energy storage bin; 4-a spherical fan assembly; 41-fan blades; 42-rotating shaft; 43-supporting bar.
Detailed Description
As shown in fig. 1 or fig. 2, the invention provides a wind power generation device with a wind collecting tower and spherical fan blades, which comprises a top guide ring 1, a guide support assembly 2, a bottom guide assembly 3 and a spherical fan assembly 4, wherein the top guide ring 1 is connected with the bottom guide assembly 3 through the guide support assembly 2, and a containing space is enclosed by the top guide ring 1, the guide support assembly 2 and the bottom guide assembly 3; the flow guiding support component 2 is provided with a longitudinal air channel which is used for guiding air flowing through to the accommodating space; the bottom flow guide assembly 3 is provided with a transverse air channel which is used for guiding air flowing through to the accommodating space; the spherical fan assembly 4 is arranged in the accommodating space, and the spherical fan assembly 4 is used for being connected with an externally connected power generation structure.
Specific: when in assembly, the four diversion support assemblies 2 are connected with the bottom surface of the top diversion ring 1, and the diversion support assemblies 2 are distributed at intervals; and the one end that water conservancy diversion supporting component 2 kept away from top water conservancy diversion ring 1 is connected with bottom water conservancy diversion subassembly 3, encloses between top water conservancy diversion ring 1, water conservancy diversion supporting component 2 and the bottom water conservancy diversion subassembly 3 and establishes the accommodation space that is used for holding spherical fan assembly 4, and this spherical fan assembly 4 is through the vertical wind channel of water conservancy diversion supporting component 2 and the horizontal wind channel of bottom water conservancy diversion subassembly 3 blows in wind and drives its rotation, and then realizes converting wind energy into mechanical energy, and then converts mechanical energy into the electric energy through external power generation structure.
In an alternative implementation manner of this embodiment, referring to fig. 2, the flow guiding support assembly 2 includes a shear structure column 21 and first flow guiding plates 22 disposed at two sides of the shear structure column 21, the longitudinal air channel is formed between the shear structure column 21 and the first flow guiding plates 22 at two sides thereof, one end of the shear structure column 21 is connected with the top flow guiding ring 1, and the other end is connected with the bottom flow guiding assembly 2; one end of the shear structure column 21 is connected with the top guide ring 1, and the other end is connected with the bottom guide assembly 3.
Specific: the longitudinal air channel is formed between the shear structure column 21 and the first guide plates 22 at the two sides of the shear structure column, one end of the shear structure column 21 is connected with the top guide ring 1, and the other end is connected with the bottom guide assembly 2; one end of the shear structure column 21 is connected with the top guide ring 1, and the other end is connected with the bottom guide assembly 3. Preferably, the first guide plates 22 are symmetrically arranged on two sides of each shear structure column 21, the shear structure columns 21 and the first guide plates 22 are vertically arranged, the distance between the first guide plates 22 and the shear structure columns 21 is the outward direction from the accommodating space, namely, after wind passes through the gap, the wind speed is increased due to the fact that the distance between the first guide plates and the shear structure columns 21 is narrower, and then the rotating speed of the spherical fan assembly 4 is increased.
In an alternative implementation manner of this embodiment, referring to fig. 1 or fig. 2, the flow guiding support assemblies 2 are provided with four groups, and the adjacent flow guiding support assemblies 2 are distributed at intervals and enclose a containing space.
Specific: the four diversion support assemblies 2 are distributed oppositely in pairs, and one surface of each diversion support assembly 2 facing the accommodating space is arc-shaped so as to be matched with the shape of the spherical fan assembly 4.
Further, referring to fig. 3 or 4, the bottom deflector assembly 3 includes a second deflector 31, and two ends of the second deflector 31 are respectively connected to adjacent deflector support assemblies 2; the second deflector 31 guides the air flowing therethrough to the receiving space.
Specific: four second guide plates 31 are arranged, two ends of each of the four second guide plates 31 are respectively connected with adjacent shear structure columns 21, and one end of each second guide plate 31, which faces the accommodating space, is tilted upwards, so that wind can be blown into the accommodating space through the second guide plates 31.
Further, referring to fig. 3, the bottom diversion assembly 3 further includes a plurality of draft chimneys 32, the draft chimneys 32 are provided, and the plurality of draft chimneys 32 are sequentially connected between adjacent shear structure columns 12, and the draft chimneys 32 at two ends are respectively connected with the corresponding shear structure columns 12.
Specific: the plurality of the draft chimneys 32 are arranged, the plurality of the draft chimneys 32 are sequentially connected between the adjacent shear structure columns 12, and the draft chimneys 32 at the two ends are respectively connected with the corresponding shear structure columns 12; preferably, the plurality of draft chimneys 32 are connected in sequence, and the draft chimneys 32 are used for blowing wind into the accommodating space.
Further, referring to fig. 3, the bottom diversion assembly 3 further includes a pressure flow conversion plate 33, two ends of the pressure flow conversion plate 33 are respectively connected with the corresponding shear structural columns 12, and a transverse air channel is formed between the pressure flow conversion plate 33 and the second diversion plate 31; the draft chimney 32 is provided between the pressure flow changeover plate 33 and the second deflector 31.
Specific: two ends of the pressure flow conversion plate 33 are respectively connected with the corresponding shear structure columns 12, and a transverse air channel is formed between the pressure flow conversion plate 33 and the second guide plate 31; the draft chimney 32 is arranged between the pressure flow conversion plate 33 and the second guide plate 31; preferably, a gap exists between the pressure-flow converting plate 33 and the second deflector 31, and external wind enters and blows from the gap to the accommodating space.
In an alternative implementation of this embodiment, referring to fig. 3, the bottom diversion assembly 3 further includes an energy storage bin 35, the energy storage bin 35 is connected with the shear structure column 12, and the energy storage bin 35 is used for accommodating the power generation structure.
Specific: the energy storage bin 35 is connected with the shear structure column 12, and the energy storage bin 35 is used for accommodating a power generation structure; preferably, the energy storage bin 35 is connected with the bottom of the shear structure column 12, and the energy storage bin 35 is used for setting a power generation device.
Further, referring to fig. 3, an air inlet 34 is disposed between the energy storage bin 35 and the compressed air converting plate 33, and the air inlet 34 is communicated with the accommodating space.
Specific: an air inlet 34 is arranged between the energy storage bin 35 and the compressed stream conversion plate 33, and the air inlet 34 is communicated with the accommodating space; preferably, the air inlet 34 is used for allowing wind to enter and pass through a channel enclosed by the pressure flow conversion plate 33 into the accommodating space.
In an alternative implementation of this embodiment, referring to fig. 1 or 2, the spherical fan assembly 4 includes a fan blade 41 and a rotating shaft 42, the fan blade 41 is an arc-shaped blade, and the fan blade 41 is connected to one end of the rotating shaft 42; the end of the rotating shaft 42 remote from the fan blades 41 is used for connection with a power generation structure.
Specific: the spherical fan assemblies 4 are provided with two groups, each group is provided with three arc-shaped fan blades 41, the spherical fan assemblies 4 on two sides form a sphere and are arranged in the accommodating space, one point of each of the three fan blades 41 is connected with the end part of the rotating shaft 42, the other end of the rotating shaft 42 is used for being in a power generation structure, and when the spherical fan assembly is used, the rotating shaft 42 is driven to rotate through the fan blades 41.
Further, referring to fig. 3, the spherical fan assembly 4 further includes a support rod 43, one end of the support rod 43 is connected to the free end of the fan blade 41, and the other end is connected to the rotation shaft 42.
Specific: one end of the supporting rod 43 is connected with the free end of the fan blade 41, and the other end is connected with the rotating shaft 42; preferably, the free end of each of the three blades 41 is connected to the rotation shaft 42 through a support rod 43 for increasing the stability of the blades 41.
In the use process, the air sucked by the draft chimney 32 is sucked into the accommodating space, and the compressed air converting plate 33 sucks the air pressure of the side wall of the draft chimney 32 into the area with high air speed and low air pressure of the accommodating space, so that the flow velocity of the accommodating space is increased. The negative pressure area on the lee side also forms suction force to accelerate the wind power in the accommodating space.
And when the incoming wind is blown to the wind collecting tower at an angle of 45 degrees, the shear structure column 21 and the first deflector 22 at four positions have different roles according to the bernoulli principle.
The shear structure column 21 and the first deflector 22 near the incoming wind side accelerate the wind by the narrow tube effect, and the increased wind speed increases the wind speed by the incoming wind on both sides of the pressure difference.
The shear structure columns 21 and the first guide plates 22 on the two sides form a wind shielding surface and form negative pressure areas on the two sides of the back. The outflow wind speed from the core area is accelerated. The shear structure column 21 and the first guide plate 22 far away from the wind side form a shape with a small air inlet and a large air outlet, so that the area of the negative pressure region air inlet is reduced, and the acceleration of the wind in the core region is facilitated.
The fan blade 41 is a spherical fan blade formed by mirroring two hemispherical fan blades. The two hemispherical fan blades realize wind reversing through a reverse horizontal shaft, so that the wind receiving efficiency is improved; meanwhile, the surface area formula of the sphere is s=4pi r 2 The sphere area being the same radius circleFour times of the area, the windward area is increased under the same radius, and the stability is improved. The spherical shape directly determines the fan blade 41 to be able to absorb wind in all directions.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (10)
1. Wind power generation set with collection wind tower and spherical flabellum, its characterized in that: the device comprises a top guide ring (1), a guide supporting component (2), a bottom guide component (3) and a spherical fan component (4), wherein the top guide ring (1) is connected with the bottom guide component (3) through the guide supporting component (2), and a containing space is enclosed by the top guide ring (1), the guide supporting component (2) and the bottom guide component (3);
the flow guide support assembly (2) is provided with a longitudinal air duct, and the longitudinal air duct is used for guiding air flowing through to the accommodating space;
the bottom flow guide assembly (3) is provided with a transverse air channel, and the transverse air channel is used for guiding air flowing through to the accommodating space;
the spherical fan assembly (4) is arranged in the accommodating space, and the spherical fan assembly (4) is used for being connected with an externally connected power generation structure.
2. The wind power generation device provided with a wind collecting tower and spherical fan blades according to claim 1, wherein: the flow guide support assembly (2) comprises a shear structure column (21) and first flow guide plates (22) arranged on two sides of the shear structure column (21), the longitudinal air channel is formed between the shear structure column (21) and the first flow guide plates (22) on two sides of the shear structure column, one end of the shear structure column (21) is connected with the top flow guide ring (1), and the other end of the shear structure column is connected with the bottom flow guide assembly (3);
one end of the shear structure column (21) is connected with the top guide ring (1), and the other end of the shear structure column is connected with the bottom guide assembly (3).
3. Wind power plant provided with a wind collecting tower and spherical blades according to any of the claims 1-2, characterized in that: the flow guide support assemblies (2) are provided with four groups, and the adjacent flow guide support assemblies (2) are distributed at intervals and enclose the accommodating space.
4. A wind power plant provided with a wind collecting tower and spherical fan blades according to claim 3, characterized in that: the bottom flow guide assembly (3) comprises a second flow guide plate (31), and two ends of the second flow guide plate (31) are respectively connected with the adjacent flow guide support assemblies (2);
the second deflector (31) directs the air flowing through to the receiving space.
5. The wind power generation device provided with the wind collecting tower and the spherical fan blades according to claim 4, wherein: the bottom flow guiding assembly (3) further comprises a plurality of draft chimneys (32), wherein the draft chimneys (32) are arranged, the plurality of draft chimneys (32) are sequentially connected between the adjacent shear structure columns (12), and the draft chimneys (32) at two ends are respectively connected with the corresponding shear structure columns (12).
6. The wind power generation device provided with the wind collecting tower and the spherical fan blades according to claim 5, wherein: the bottom flow guide assembly (3) further comprises a pressure flow conversion plate (33), two ends of the pressure flow conversion plate (33) are respectively connected with the corresponding shear structure columns (12), and the transverse air channel is formed between the pressure flow conversion plate (33) and the second flow guide plate (31);
the draft chimney (32) is arranged between the pressure flow conversion plate (33) and the second guide plate (31).
7. The wind power generation device provided with the wind collecting tower and the spherical fan blades according to claim 6, wherein: the bottom flow guide assembly (3) further comprises an energy storage bin (35), the energy storage bin (35) is connected with the shear structure column (12), and the energy storage bin (35) is used for accommodating the power generation structure.
8. The wind power generation device provided with a wind collecting tower and spherical fan blades according to claim 7, wherein: an air inlet (34) is arranged between the energy storage bin (35) and the pressure flow conversion plate (33), and the air inlet (34) is communicated with the accommodating space.
9. The wind power generation device provided with a wind collecting tower and spherical fan blades according to claim 1, wherein: the spherical fan assembly (4) comprises fan blades (41) and a rotating shaft (42), wherein the fan blades (41) are arc-shaped blades, and the fan blades (41) are connected with one end of the rotating shaft (42);
one end of the rotating shaft (42) away from the fan blade (41) is used for being connected with the power generation structure.
10. The wind power generation device provided with a wind collecting tower and spherical fan blades according to claim 9, wherein: the spherical fan assembly (4) further comprises a supporting rod (43), one end of the supporting rod (43) is connected with the free end of the fan blade (41), and the other end of the supporting rod is connected with the rotating shaft (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311387856.4A CN117212056A (en) | 2023-10-25 | 2023-10-25 | Wind power generation device with wind collecting tower and spherical fan blades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311387856.4A CN117212056A (en) | 2023-10-25 | 2023-10-25 | Wind power generation device with wind collecting tower and spherical fan blades |
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| Publication Number | Publication Date |
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| CN117212056A true CN117212056A (en) | 2023-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311387856.4A Pending CN117212056A (en) | 2023-10-25 | 2023-10-25 | Wind power generation device with wind collecting tower and spherical fan blades |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117588366A (en) * | 2024-01-19 | 2024-02-23 | 广东阳硕绿建科技股份有限公司 | Mountain wind power generation platform |
-
2023
- 2023-10-25 CN CN202311387856.4A patent/CN117212056A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117588366A (en) * | 2024-01-19 | 2024-02-23 | 广东阳硕绿建科技股份有限公司 | Mountain wind power generation platform |
| CN117588366B (en) * | 2024-01-19 | 2024-03-26 | 广东阳硕绿建科技股份有限公司 | Mountain wind power generation platform |
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