CN115559857A - Wind power generation device - Google Patents

Wind power generation device Download PDF

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Publication number
CN115559857A
CN115559857A CN202211276642.5A CN202211276642A CN115559857A CN 115559857 A CN115559857 A CN 115559857A CN 202211276642 A CN202211276642 A CN 202211276642A CN 115559857 A CN115559857 A CN 115559857A
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CN
China
Prior art keywords
wind power
fan
power generation
blades
assembly
Prior art date
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.)
Pending
Application number
CN202211276642.5A
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Chinese (zh)
Inventor
杨金祥
张龙恩
刘海涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daqing Regu Environmental Protection Technology Co ltd
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Daqing Regu Environmental Protection Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Daqing Regu Environmental Protection Technology Co ltd filed Critical Daqing Regu Environmental Protection Technology Co ltd
Priority to CN202211276642.5A priority Critical patent/CN115559857A/en
Publication of CN115559857A publication Critical patent/CN115559857A/en
Pending legal-status Critical Current

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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
    • 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
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • 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
    • 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
    • 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
    • F03D7/00—Controlling wind motors 
    • F03D7/06—Controlling wind motors  the wind motors having rotation axis substantially perpendicular to the air flow entering the rotor

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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 wind power generation device, which belongs to the technical field of wind power generation and comprises a control component, a fan blade component, a supporting component and an upright post, wherein the top of the control component is connected with the fan blade component; the control assembly comprises a generator, a transmission and a braking system which are connected into a whole, so that the space is saved, the resistance is reduced, and the power generation efficiency is improved; the braking system can protect the whole wind power generation device from being damaged when the wind is strong; the transmission can control the rotating speed of the fan and the rotating speed of the generator in respective effective ranges. The wind power generation device further comprises a fan, wherein the fan comprises a wheel disc and vortex blades, and wind power can be rapidly discharged from the upper side or the lower side of the fan blade assembly through the vortex blades, so that the power generation efficiency is improved.

Description

Wind power generation device
Technical Field
The invention belongs to the technical field of wind power generation, and particularly relates to a wind power generation device.
Background
The kinetic energy of wind is converted into mechanical kinetic energy, and then the mechanical energy is converted into electric kinetic energy, namely wind power generation. The principle of wind power generation is that wind power drives windmill blades to rotate, and then the rotating speed is increased through a speed increaser, so that a generator is promoted to generate electricity. According to the windmill technique, the power generation can be started at a breeze speed of about three meters per second. Wind power generation is forming a hot tide in the world because it does not require the use of fuel and does not produce radiation or air pollution.
The invention discloses a wind power generation device in Chinese patent CN 112283038A, which comprises a generator, a gearbox and a flywheel disc, wherein the generator is arranged at the lower end of the gearbox, a connecting shaft is arranged at the upper end of the gearbox, the flywheel disc is arranged on the connecting shaft, a plurality of vertically arranged fan devices are arranged at the upper end of the connecting shaft, the connecting shaft and the fan devices connected with the connecting shaft are connected through a shaft sleeve, and two vertically adjacent fan devices are connected through a shaft sleeve. Although the wind power generation device can realize the function of wind power generation, the structure is complex, the weight is large, the resistance of wind is increased, and the efficiency of wind power generation is greatly influenced; when the wind speed is high, the generator is easy to damage; two fan devices which are adjacent up and down are connected through a shaft sleeve, so that the resistance of a rotating part is increased, and the power generation efficiency is reduced; the wind power generation device cannot realize breeze power generation, and the time for generating power in one year is short.
Disclosure of Invention
The invention provides a wind power generation device aiming at the problems in the prior art, and the technical problem to be solved by the invention is how to improve the efficiency of wind power generation.
In order to solve the technical problem, the invention provides a wind power generation device, which further comprises a control assembly, a fan blade assembly, a supporting assembly and an upright post, wherein the fan blade assembly is arranged on the control assembly;
the lower extreme of fan is connected with control assembly's top, and fan blade component is connected with the fan, and the fan is located the cavity that fan blade component encloses inside, and support assembly connects the lower extreme at control assembly, and the stand is connected in support assembly's below, and control assembly is located the cavity that fan blade component encloses.
The axis of the fan coincides with the axis of the control assembly,
the axis of the fan is overlapped with the axis of the fan blade assembly, the axis of the fan is overlapped with the axis of the control assembly, and the axis of the fan is perpendicular to the horizontal plane.
Furthermore, the fan comprises a wheel disc and vortex blades, wherein the axis of the wheel disc is vertical to the horizontal plane, and the vortex blades are connected to the edge of the wheel disc.
Further, the vortex blade is of a plate type structure, a certain angle is formed between the vortex blade and the horizontal plane, the stress area of the vortex blade and wind power is increased, and then the power generation efficiency is increased.
Further, the scroll blades are bolted around the disk.
Further, the control assembly comprises a generator, a transmission and a braking system, and the generator, the transmission and the braking system are connected with each other into a whole. In order to enable the wind power generation device to achieve a proper tip speed ratio, the rotating speed of the wheel disc is controlled within a certain rotating speed, meanwhile, the actual rotating speed of the generator cannot exceed a specified rotating speed, and the connecting rotating speeds of the wheel disc and the generator can be controlled within respective effective ranges by the transmission. The braking system stops the wind power generation device, and when the wind speed is too high, the wind power generation device is prevented from being damaged, so that the wind power generation device is protected.
Furthermore, the fan blade assembly is connected with the wheel disc.
Further, the wheel disc is connected with a main shaft of the generator.
Furthermore, the fan blade assembly comprises fan blades and connecting pieces, the connecting pieces are of annular structures, the fan blades are of plate-shaped structures, the surfaces of the fan blades are arc-shaped, the end portions of the fan blades are connected with the connecting pieces, the fan blades are sequentially arranged along the circumference of the connecting pieces, and gaps are reserved between the adjacent fan blades, so that an air channel is formed.
Furthermore, the fan blade assembly further comprises a supporting rod, and the fan blade and the connecting piece are connected with the wheel disc through the supporting rod.
Furthermore, the support rod is externally provided with a tin-plated iron sheet structure, and foaming agents are filled in the support rod after forming to prevent vibration, so that the support rod is better in strength and stability; the appearance can adopt the glass steel material of ageing resistance anticorrosion during the volume production, or has the integrative shaping of moulding plastics of strengthening rib in.
The fan comprises the wheel disc and the vortex blades, the vortex blades and the horizontal plane form a certain angle, the stress area between the vortex blades and wind power is increased, so that the vortex blades rotate under the action of the wind power, and the power generation efficiency is improved. The vortex blade can discharge wind power from the upper part or the lower part of the fan blade assembly quickly, and the power generation efficiency is improved.
The control assembly comprises a generator, a speed changer and a braking system which are connected into a whole, so that the space is saved, the resistance to wind is reduced, and the power generation efficiency is improved.
In order to enable the wind power generation device to achieve a proper tip speed ratio, the rotating speed of the wheel disc is controlled within a certain rotating speed, meanwhile, the actual rotating speed of the generator cannot exceed the specified rotating speed, and the connecting rotating speeds of the wheel disc and the generator can be controlled within respective effective ranges by the transmission.
The braking system stops the wind power generation device, and when the wind speed is too high, the wind power generation device is prevented from being damaged, and the wind power generation device is protected.
The wheel disc is connected with a main shaft of the generator.
The fan blade assembly is of a cylindrical structure and comprises fan blades and connecting pieces, the connecting pieces are of annular structures, the fan blades are of plate-shaped structures, the surfaces of the fan blades are arc-shaped, the end portions of the fan blades are connected with the connecting pieces, the fan blades are sequentially arranged along the circumference of the connecting pieces, and certain gaps are formed between every two adjacent fan blades to form air channels for wind to pass through.
The fan blade assembly further comprises a supporting rod, the fan blade and the connecting piece are connected with the wheel disc through the supporting rod, a tin-plated iron sheet structure is adopted outside the supporting rod, foaming agents are filled inside the supporting rod after forming to prevent vibration, and the strength and the stability are better; the surface can be made of anti-aging and anti-corrosion glass fiber reinforced plastic material or injection molding integrated molding with reinforcing ribs in the mass production process.
The support assembly is capable of stably supporting the control assembly above the support assembly.
Due to the adoption of the breeze generator, the wind power generator can generate electricity under the condition of weak wind power, thereby realizing the aim of generating electricity all the year round.
The wind power generation device comprises a plurality of layers of wind power generation units, and can make full use of wind energy and provide power generation efficiency.
All rotating parts of the invention are supported by the main shaft of the generator, other rotating friction and movable parts are not needed, the number of required maintenance points is small when the generator is used, and the later maintenance cost is saved. Meanwhile, the rotating part is made of aluminum alloy or other lightweight materials under the condition of not thickening and in later-stage production.
The invention has the advantages of light weight of the whole machine, low manufacturing cost, relatively smaller resistance and higher generating efficiency. The wind power control converter technology with leading industry is adopted, the electric energy conversion rate is high, an automatic safety protection system is adopted, and the system is safer to operate.
Drawings
Fig. 1 is a schematic view of an embodiment of a wind turbine generator according to the present invention.
Fig. 2 is a schematic view of a wind power generation unit of a wind power generation apparatus of the present invention.
Fig. 3 is a schematic view of a fan for a wind power plant according to the present invention.
Fig. 4 is a schematic view of an embodiment of a wind turbine generator according to the present invention.
FIG. 5 is a schematic view of a vortex blade of a wind power plant of the present invention.
10, a wind power generation unit; 11. a fan; 12. a control component; 13. a fan blade assembly; 14. a support assembly; 20. a column; 111. a swirl vane; 112. a wheel disc.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
Example 1:
referring to fig. 1, a first embodiment of the present invention provides a wind power generation apparatus including a wind power generation unit 10 and a column 20.
The wind power generation unit 10 and the column 20 are connected together to generate wind power.
As shown in fig. 2, the wind power generation unit 10 includes a fan 11, a control assembly 12, a blade assembly 13, and a support assembly 14.
The lower extreme of fan 11 is connected with the top of control assembly 12, and fan blade subassembly 13 is connected with fan 11, and the lower extreme at control assembly 12 is connected to supporting component 14, and the below at supporting component 14 is connected to stand 20.
As shown in fig. 3, the fan 11 includes a wheel disc 112 and a vortex blade 111, an axis of the wheel disc 112 is perpendicular to a horizontal plane, the vortex blade 111 is connected to a circumference of the wheel disc 112 through a bolt, the vortex blade 111 and the horizontal plane form a certain angle, a force bearing area is increased, so that the vortex blade 111 rotates under the action of wind power, and power generation efficiency is improved. The vortex blades 111 can quickly discharge wind power from the upper part or the lower part of the fan blade assembly 13, and the power generation efficiency is improved.
The control component 12 comprises a generator, a transmission and a braking system which are connected into a whole, so that the space is saved, the resistance to wind is reduced, and the power generation efficiency is improved.
In order to achieve a suitable tip speed ratio of the wind turbine generator, the rotation speed of the disk 112 is controlled within a certain rotation speed, and the actual rotation speed of the generator cannot exceed a predetermined rotation speed, so that both the connection rotation speeds need to be controlled within respective effective ranges by a transmission.
In order to avoid damage to the wind turbine generator when the wind speed is too high, a braking system is required to stop the operation of the wind turbine generator and protect the wind turbine generator.
The fan blade assembly 13 is of a cylindrical structure, a cavity for accommodating wind power is arranged inside the fan blade assembly 13, as shown in fig. 2, the fan blade assembly 13 comprises fan blades and connecting pieces, the connecting pieces are of annular structures, the fan blades are of arc-shaped plate structures, the end portions of the fan blades are connected with the connecting pieces, the fan blades are sequentially arranged along the circumference of the connecting pieces, certain gaps are formed between every two adjacent fan blades to form an air channel, the length directions of the fan blades are parallel to the axis of the connecting pieces, and the axis of the connecting pieces is overlapped with the axis of the fan 11.
The supporting component 14 is a frame structure, and the supporting component 14 includes a plurality of cross beams, longitudinal beams and inclined supporting beams, the plurality of cross beams and longitudinal beams form a square frame structure, and the plurality of inclined supporting beams form a tripod structure, so as to support the control component 12 above the supporting component 14.
The working process of the wind power generation device is as follows:
when wind blows, the wind enters the inside of the fan blade assembly 13 along the wind channel formed between the fan blades, the fan blades are pushed in the wind channel, so that the fan blade assembly 13 rotates, the fan blade assembly 13 rotates to drive the wheel disc 112 of the fan 11 to rotate, so as to drive the generator to generate electricity, the wheel disc 112 rotates to drive the vortex blades 111 to rotate, the wind power entering the cavity of the fan blade assembly 13 generates vortex in the cavity, and then the wind power is rapidly discharged from the upper part or the lower part of the fan blade assembly 13 through the vortex blades 111.
The fan 11 comprises the wheel disc 112 and the vortex blades 111, the vortex blades 111 form a certain angle with the horizontal plane, the stressed area of the vortex blades 111 and wind power is increased, so that the vortex blades 111 rotate under the action of the wind power, and the power generation efficiency is improved. The vortex blades 111 can quickly discharge wind power from the upper part or the lower part of the fan blade assembly 13, and the power generation efficiency is improved.
The control component 12 comprises a generator, a transmission and a braking system which are connected into a whole, so that the space is saved, the resistance to wind is reduced, and the power generation efficiency is improved.
In order to enable the wind power generation device to achieve a proper tip speed ratio, the rotating speed of the wheel disc 112 is controlled within a certain rotating speed, meanwhile, the actual rotating speed of the generator cannot exceed a specified rotating speed, and the transmission can enable the connecting rotating speeds to be controlled in respective effective ranges.
The braking system stops the wind power generation device, and when the wind speed is too high, the wind power generation device is prevented from being damaged, and the wind power generation device is protected.
The discs 112 are connected to the generator main shaft.
The fan blade assembly 13 is of a cylindrical structure, the fan blade assembly 13 comprises fan blades 131 and a connecting piece, the connecting piece is of an annular structure, the fan blades 131 are of an arc-shaped plate-shaped structure, the end parts of the fan blades 131 are connected with the connecting piece, the fan blades 131 are sequentially arranged along the circumference of the connecting piece, and a certain gap is formed between every two adjacent fan blades 131 to form an air channel for wind to pass through.
The fan blade assembly 13 further comprises a supporting rod, the fan blade 131 and the connecting piece are connected with the wheel disc through the supporting rod, a tinned iron sheet structure is adopted outside the supporting rod, foaming agents are filled inside the supporting rod after forming to prevent vibration, and the strength and the stability are better; the appearance can adopt the glass steel material of ageing resistance anticorrosive corroding during the volume production, or has the integrative shaping of moulding plastics of strengthening rib in the inside.
The support assembly 14 is configured to stably support the control assembly 12 above the support assembly 14.
Example 2:
referring to fig. 4, a second embodiment of the present invention provides a wind power generation apparatus, which includes a plurality of layers of wind power generation units 10 and a vertical column 20.
The multiple layers of wind power generation units 10 are connected in series into a whole, then the wind power generation unit 10 positioned at the lowest layer is connected with the upright post, and the wind power generation unit 10 is vertical to the horizontal plane.
A generator is arranged on each layer of wind power generation unit 10, and the generators between layers are not related; the layers are connected by flanges.
The generators of each level of wind power generation unit 10 are independently arranged, and one set of wind power generation device can be provided with 5-10 layers of wind power generation units 10, so that wind energy is fully utilized, and the power generation efficiency is improved.
The embodiment can generate power under the condition of weak wind power, thereby realizing the aim of generating power all year round.
The present invention has advantages of the first embodiment, and since the wind power generation apparatus includes the plurality of layers of wind power generation units 10, it is possible to sufficiently utilize wind energy and provide power generation efficiency.
All rotating parts of the invention are supported by the main shaft of the generator, other rotating friction and movable parts are not needed, the number of required maintenance points is small when the generator is used, and the later maintenance cost is saved. Meanwhile, the rotating part is made of aluminum alloy or other lightweight materials under the condition of not thickening and in later-stage production.
The invention has the advantages of light weight of the whole machine, low manufacturing cost, relatively smaller resistance and higher generating efficiency. The wind power control converter technology with leading industry is adopted, the electric energy conversion rate is high, an automatic safety protection system is adopted, and the system is safer to operate.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims (10)

1. A wind power generation device is characterized by comprising a wind power generation unit and a vertical column;
the wind power generation unit comprises a fan, a control assembly, a fan blade assembly and a supporting assembly;
the fan is connected to the top of the control assembly, the fan is connected with the inner side of the fan blade assembly, the support assembly is connected to the lower end of the control assembly, the upright post is connected to the lower portion of the support assembly, the control assembly is located in a cavity defined by the fan blade assembly, and the fan is located in the cavity defined by the fan blade assembly;
the axis of the fan is coincident with the axis of the control assembly;
the control assembly comprises a generator, a transmission and a braking system which are connected into a whole.
2. The wind power generation device of claim 1, wherein the fan comprises a wheel disc and vortex blades, the axis of the wheel disc is perpendicular to the horizontal plane, the vortex blades are connected to the edge of the wheel disc, the vortex blades are of a plate type structure, and the vortex blades form an angle with the horizontal plane.
3. The wind power plant of claim 2, wherein the swirl blades are bolted to the disk.
4. A wind power plant according to claim 3, wherein the disc is connected to the generator main shaft.
5. The wind power generation device of claim 4, wherein the fan assembly comprises fans and connectors, the connectors are of annular structures, the fans are of plate-shaped structures with arc surfaces, the ends of the fans are connected with the connectors, the fans are arranged in sequence along the surfaces of the connectors, and gaps are arranged between adjacent fans, so that air ducts are formed.
6. The wind power plant according to claim 1, wherein the blade assembly comprises blades and struts, and the plurality of blades are connected to the fan through the struts.
7. The wind power plant of claim 1, wherein the support assembly comprises a plurality of cross beams, longitudinal beams and raker beams, the plurality of cross beams and the longitudinal beams enclose a square frame structure, and the square frame structure and the raker beams are connected to form a tripod structure.
8. Wind power plant according to any of claims 1-7, characterized in that the multiple layers of wind power units are connected together by means of vertical posts, the axis of the wind power units being perpendicular to the horizontal plane.
9. Wind power plant according to claim 7, characterized in that the generators of each layer of wind power units are arranged independently.
10. Wind power plant according to claim 7, characterized in that said uprights number 4.
CN202211276642.5A 2022-10-18 2022-10-18 Wind power generation device Pending CN115559857A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211276642.5A CN115559857A (en) 2022-10-18 2022-10-18 Wind power generation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211276642.5A CN115559857A (en) 2022-10-18 2022-10-18 Wind power generation device

Publications (1)

Publication Number Publication Date
CN115559857A true CN115559857A (en) 2023-01-03

Family

ID=84747183

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211276642.5A Pending CN115559857A (en) 2022-10-18 2022-10-18 Wind power generation device

Country Status (1)

Country Link
CN (1) CN115559857A (en)

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