CN117432577B - Flap pressure power generation integrated device based on horizontal axis wind turbine retired blade - Google Patents
Flap pressure power generation integrated device based on horizontal axis wind turbine retired blade Download PDFInfo
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- CN117432577B CN117432577B CN202311739993.XA CN202311739993A CN117432577B CN 117432577 B CN117432577 B CN 117432577B CN 202311739993 A CN202311739993 A CN 202311739993A CN 117432577 B CN117432577 B CN 117432577B
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- blade body
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- pressure
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- 238000010248 power generation Methods 0.000 title claims abstract description 84
- 238000006243 chemical reaction Methods 0.000 claims abstract description 73
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 230000005611 electricity Effects 0.000 claims abstract description 20
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000004064 recycling Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 239000002699 waste material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007858 starting material Substances 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
- F03D5/00—Other wind motors
- F03D5/06—Other wind motors the wind-engaging parts swinging to-and-fro and not rotating
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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
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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
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The utility model provides a swing pressure electricity generation integrated device based on horizontal axis wind turbine retired blade, belongs to retired blade reuse field, and the up end of its base support is formed with sways and dodges the strip hole, and the top of base support is connected with retired blade body, and retired blade body's inside is equipped with sways the support frame, and sways the lateral part of support frame and distributes and have pressure electricity generation mechanism; an avoidance space is formed at the inner side of the base bracket, and a swing power generation mechanism is arranged in the avoidance space; the lower end of the swing supporting frame is connected with the upper end of the swing adapter shaft through a swing avoiding strip hole; the lower end of the swinging adapter shaft penetrates through the linear constraint frame to be connected with the power input end of the linear circumference conversion assembly, and the power output end of the linear circumference conversion assembly is connected with the generator; the retired blade body swings through wind power so that the pressure power generation mechanism and the swing power generation mechanism can generate power simultaneously. The invention realizes the pressure and swing power generation of the retired blade, can provide stable, reliable and efficient power supply, and achieves the purpose of recycling.
Description
Technical Field
The invention belongs to the technical field of retired blade reuse, and particularly relates to a flapping pressure power generation integrated device based on retired blades of a horizontal-axis wind turbine.
Background
At present, the pressure power generation technology has been widely used at home and abroad. For example, in the automotive industry, pressure generating technology has been used for vehicle starters and generators to provide electrical power, replacing conventional fuel-fired generators. In addition, the pressure power generation technology can also be used for heating and refrigerating systems of buildings to provide green energy and reduce energy consumption.
The swing power generation utilizes the swing principle to convert linear motion into circular motion, and then drives the generator to rotate, so that mechanical energy is converted into electric energy. The swing type generator has the advantages of high efficiency, reliability and environmental protection, and can quickly convert mechanical energy into electric energy. The traditional swing power generation is to cut magnetic induction lines, the continuous power supply capacity of the power generation mode is poor, the power generation stability is not high, and if the power generation mode is installed in a wind power plant for power generation, the impact on a power grid is large; the distance between the motion device and the power generation device is far, a plurality of gears are needed for meshing transmission in the middle, the mechanical energy loss is large, and the generated energy is greatly reduced.
At present, the update of wind power plants is urgent, and for the wind power industry, the environmental protection treatment requirements on retired blades are also continuously clear and enhanced, and the recycling of waste such as fan blades is getting higher attention. Under the background, how to realize the efficient power generation of the retired blades to achieve the purpose of recycling has practical application significance.
Disclosure of Invention
Therefore, the invention provides a swing pressure power generation integrated device based on the retired blades of the horizontal-axis wind turbine, which combines swing power generation and pressure power generation to realize efficient power generation of the retired blades of the wind turbine, and can be used as a main power supply or a standby power supply of a wind power plant to achieve the purpose of recycling waste retired blades.
In order to achieve the above object, the present invention provides the following technical solutions: the integrated device for generating electricity by the waving pressure based on the retired blades of the horizontal-axis wind turbine comprises a base bracket, wherein a swinging avoidance strip hole is formed in the upper end face of the base bracket, a retired blade body is connected above the base bracket, a swinging support frame is arranged in the retired blade body, and a pressure generating mechanism is distributed on the side part of the swinging support frame;
an avoidance space is formed at the inner side of the base support, a swing power generation mechanism is arranged in the avoidance space, and the swing power generation mechanism comprises a swing switching shaft, a linear constraint frame, a linear circumference switching assembly and a generator; the lower end of the swing supporting frame is connected with the upper end of the swing switching shaft through the swing avoidance bar hole; the lower end of the swing adapter shaft penetrates through the linear constraint frame to be connected with the power input end of the linear circumference conversion assembly, and the power output end of the linear circumference conversion assembly is connected with the generator;
the retired blade body swings through wind power so that the pressure power generation mechanism and the swing power generation mechanism generate power simultaneously.
As an optimized scheme of the swing pressure power generation integrated device based on the retired blades of the horizontal-axis wind turbine, the swing support frame comprises a first support frame and a second support frame, and the upper end of the first support frame is connected with the lower end of the second support frame;
the pressure power generation mechanism comprises a plurality of pressure power generation pieces, and the pressure power generation pieces are connected to two sides of the first support frame and two sides of the second support frame through power generation piece fixing frames.
As a preferable scheme of the integrated device for the flapping pressure power generation based on the retired blades of the horizontal-axis wind turbine, the upper end of the base bracket is distributed with fixing holes, and the end parts of the retired blade body and the base bracket are fixed through bolts by the fixing holes;
the end part of the retired blade body covers the periphery of the swing avoidance bar hole.
As the optimized scheme of the swing pressure power generation integrated device based on the retired blades of the horizontal-axis wind turbine, the swing power generation mechanism also comprises a U-shaped switching frame, and the side part of the U-shaped switching frame is connected with the inner side of the base bracket; the inner side of the U-shaped transfer frame is connected with a transfer toothed ring;
the linear-to-circumferential conversion assembly includes a conversion gear inside the conversion gear ring, the conversion gear and the conversion gear ring being meshed therebetween.
As a preferable scheme of the integrated device for generating electricity by the flapping pressure based on the retired blades of the horizontal-axis wind turbine, the meshing teeth of the conversion gear and the conversion toothed ring adopt involute tooth profiles.
As the optimized scheme of the integrated device for generating electricity by the flapping pressure based on the retired blades of the horizontal-axis wind turbine, the linear circumference conversion assembly further comprises an upper adapter and a lower adapter, wherein the upper adapter is connected to the upper part of the conversion gear, and the lower adapter is connected to the lower part of the conversion gear;
the upper adapter is connected with the swing adapter shaft, and the lower adapter is connected with a power input terminal of the generator.
As a preferable scheme of the integrated device for flap pressure power generation based on the retired blades of the horizontal-axis wind turbine, the linear constraint frame is shaped like a Chinese character 'kou', and the conversion toothed ring is positioned at the inner side of the linear constraint frame;
the power input terminal of the generator extends from the bottom of the linear constraint frame to connect the lower adapter.
As the optimized scheme of the integrated device for the flapping pressure power generation based on the retired blades of the horizontal-axis wind turbine, the linear constraint frame is positioned at the inner side of the U-shaped transfer frame; the generator is connected with the bottom of the U-shaped transfer frame through bolts.
As the integrated device optimization scheme of waving pressure power generation based on the retired blades of the horizontal axis wind turbine, the waving first-order vibration mode of the retired blade body is applied to the retired blade body, the waving amplitude of the blade tip of the retired blade body is maximum, the waving amplitude of the blade root of the retired blade body is minimum, and the length of the swinging support frame inside the retired blade body reaches the high-order frequency of the retired blade body.
As the optimized scheme of the swing pressure power generation integrated device based on the decommissioning blade of the horizontal-axis wind turbine, the decommissioning blade body swings the motion equation through wind power to be:
Y=A·sin(2πft）；
wherein Y represents the waving motion displacement of the retired blade body;Arepresenting the flapping amplitude, wherein the flapping amplitude at the tip of the retired blade body is usedA max A representation;frepresenting the flapping frequency of the retired blade body; t represents the moment at which the wind is applied to the retired blade body.
The invention has the following advantages: the device is provided with a base bracket, wherein a swing avoidance bar hole is formed in the upper end surface of the base bracket, a retired blade body is connected above the base bracket, a swing support frame is arranged in the retired blade body, and a pressure power generation mechanism is distributed on the side part of the swing support frame; an avoidance space is formed at the inner side of the base bracket, a swing power generation mechanism is arranged in the avoidance space, and the swing power generation mechanism comprises a swing adapter shaft, a linear constraint frame, a linear circumference conversion assembly and a generator; the lower end of the swing supporting frame is connected with the upper end of the swing adapter shaft through a swing avoiding strip hole; the lower end of the swinging adapter shaft penetrates through the linear constraint frame to be connected with the power input end of the linear circumference conversion assembly, and the power output end of the linear circumference conversion assembly is connected with the generator; the retired blade body swings through wind power so that the pressure power generation mechanism and the swing power generation mechanism can generate power simultaneously. The invention realizes the pressure power generation and swing power generation of the retired blades, can be used as a main power supply or a standby power supply of a wind power plant, provides stable, reliable and efficient power supply for equipment, and achieves the purpose of recycling the retired blades.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.
FIG. 1 is a schematic diagram of a three-dimensional structure of an integrated device for generating electricity based on flapping pressure of retired blades of a horizontal-axis wind turbine, which is provided by the embodiment of the invention;
FIG. 2 is an enlarged schematic view of a part of an integrated device for generating electricity based on flapping pressure of retired blades of a horizontal-axis wind turbine according to an embodiment of the present invention;
FIG. 3 is a schematic perspective view of a swing power generation mechanism of the integrated swing pressure power generation device based on decommissioning blades of a horizontal axis wind turbine provided in an embodiment of the present invention;
FIG. 4 is a perspective view of a swing power generation mechanism of a swing pressure power generation integrated device based on decommissioning blades of a horizontal axis wind turbine according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a U-shaped adapter bracket, a linear constraint frame and a conversion toothed ring combination in a swing pressure power generation integrated device based on retired blades of a horizontal axis wind turbine provided by the embodiment of the invention;
fig. 6 is a schematic diagram of a linear circumference conversion assembly in a swing power generation mechanism of a swing pressure power generation integrated device based on decommissioning blades of a horizontal axis wind turbine according to an embodiment of the present invention.
In the figure, 1, a base bracket; 2. swinging the avoidance bar hole; 3. retired blade bodies; 4. a swing support; 5. an avoidance space; 6. swinging the switching shaft; 7. a linear constraint frame; 8. a linear circumference conversion assembly; 9. a generator; 10. a first support frame; 11. a second support frame; 12. a pressure power generation sheet; 13. a power generation sheet fixing frame; 14. a fixing hole; 15. a U-shaped transfer frame; 16. converting the toothed ring; 17. a conversion gear; 18. an upper adapter; 19. a lower adapter;
I. a pressure power generation mechanism; II. And the swinging power generation mechanism.
Detailed Description
Other advantages and advantages of the present invention will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, 2, 3 and 4, the embodiment of the invention provides a swing pressure power generation integrated device based on retired blades of a horizontal-axis wind turbine, which comprises a base bracket 1, wherein a swing avoidance bar hole 2 is formed on the upper end surface of the base bracket 1, a retired blade body 3 is connected above the base bracket 1, a swing support frame 4 is arranged in the retired blade body 3, and a pressure power generation mechanism I is distributed on the side part of the swing support frame 4;
the inner side of the base bracket 1 is provided with an avoidance space 5, the avoidance space 5 is provided with a swing power generation mechanism II, and the swing power generation mechanism II comprises a swing adapter shaft 6, a linear constraint frame 7, a linear circumference conversion assembly 8 and a generator 9; the lower end of the swing supporting frame 4 is connected with the upper end of the swing adapter shaft 6 through the swing avoiding strip hole 2; the lower end of the swinging adapter shaft 6 passes through the linear constraint frame 7 to be connected with the power input end of the linear circumference conversion assembly 8, and the power output end of the linear circumference conversion assembly 8 is connected with the generator 9;
wherein, the retired blade body 3 swings by wind power to make the pressure generating mechanism I and the swing generating mechanism II generate power simultaneously.
In this embodiment, the swing supporting frame 4 includes a first supporting frame 10 and a second supporting frame 11, and the upper end of the first supporting frame 10 is connected with the lower end of the second supporting frame 11; the pressure power generation mechanism I comprises a plurality of pressure power generation pieces 12, and the pressure power generation pieces 12 are connected to two sides of the first support frame 10 and the second support frame 11 through a power generation piece fixing frame 13.
Specifically, the first support frame 10 and the second support frame 11 in the pressure power generation position adopt arc support frame design for installing the pressure power generation piece 12, simultaneously, arc first support frame 10, second support frame 11 are higher with retired blade body 3 adaptation degree, can use with the retired blade body 3 cooperation of multiple model. And the radian and the size of the first support frame 10 are different from those of the second support frame 11, and the sizes of the first support frame and the second support frame are increased gradually from top to bottom, so that different airfoil sections of the retired blade body 3 are suitable for full support, and the waving stroke waste is reduced.
The retired blade body 3 generates pressure on two sides of the first support frame 10 and the second support frame 11 in the waving process, and the pressure extrudes the pressure generating sheet 12 to convert mechanical energy into electric energy, so that pressure power generation is realized. The circuit of pressure electricity generation piece 12 on curved first support frame 10 and the second support frame 11 is integrated through the circuit pipeline, is connected with outside cable in the lump, integrates the line of walking and hugs closely first support frame 10 and second support frame 11, and the circuit does not contact with the inner wall of retired blade body 3, guarantees that retired blade body 3 does not cause fatigue damage to the internal circuit in the swing process.
In the embodiment, the upper end of the base bracket 1 is provided with fixing holes 14, and the end part of the retired blade body 3 and the base bracket 1 are fixed by bolts through the fixing holes 14; the end part of the retired blade body 3 is covered on the periphery of the swing avoiding strip hole 2.
Specifically, the retired blade body 3 is fixed at the upper end of the base bracket 1 through bolts, the base bracket 1 provides the swaying supporting function of the retired blade body 3, and meanwhile, the hollow part of the end part of the retired blade body 3 is covered with the swaying avoidance bar hole 2, so that the connection of the swaying supporting frame 4 and the swaying switching shaft 6 is not influenced.
Referring to fig. 5, in the present embodiment, the swing power generating mechanism II further includes a U-shaped adaptor frame 15, and a side portion of the U-shaped adaptor frame 15 is connected to an inner side of the base frame 1; the inner side of the U-shaped adapter bracket 15 is connected with a conversion toothed ring 16; the linear circumference conversion assembly 8 comprises a conversion gear 17, the conversion gear 17 is positioned on the inner side of the conversion gear ring 16, and the conversion gear 17 is meshed with the conversion gear ring 16; the meshing teeth of the conversion gear 17 and the conversion ring gear 16 adopt an involute profile.
Specifically, the U-shaped adapter bracket 15 realizes the linking effect of the base bracket 1 and the internal conversion toothed ring 16, the conversion toothed ring 16 and the conversion gear 17 adopt an internal engagement mode of 'dynamic and static combination', the internal active conversion gear 17 is driven by the waving of the retired blade body 3 to realize motion conversion with the internal engagement of the conversion toothed ring 16, meanwhile, the teeth adopt involute tooth profiles, the involute internal engagement mode has low sliding coefficient and high engagement strength, the transmission precision and efficiency of the mode are high, the transmission capacity is high, and the power generation efficiency can be improved.
Referring to fig. 6, in the present embodiment, the linear circumference converting assembly 8 further includes an upper adapter 18 and a lower adapter 19, the upper adapter 18 is connected to an upper portion of the converting gear 17, and the lower adapter 19 is connected to a lower portion of the converting gear 17; the upper adapter 18 is connected with the swing adapter shaft 6, and the lower adapter 19 is connected with a power input terminal of the generator 9; the linear constraint frame 7 is in a shape of a Chinese character kou, and the conversion toothed ring 16 is positioned on the inner side of the linear constraint frame 7; the power input terminal of the generator 9 protrudes from the bottom of the linear constraint frame 7 to connect the lower adapter 19; the linear constraint frame 7 is positioned on the inner side of the U-shaped adapter frame 15; the generator 9 is connected with the bottom of the U-shaped adapter bracket 15 through bolts.
Specifically, as the lower end of the swing supporting frame 4 is connected with the swing switching shaft 6 through the swing avoidance bar hole 2, the swing switching shaft 6 can be driven to perform linear constraint motion along the linear constraint frame 7 in the swing process of the swing supporting frame 4, and the irregular motion generated by swinging of the retired blade body 3 is converted into fixed linear motion in the process. At this time, the swing adapter shaft 6 drives the conversion gear 17 to start working through the upper adapter 18, the action of the conversion gear 17 drives the generator 9 to generate electricity through the lower adapter 19, and then the linear motion of the swing adapter shaft 6 above is converted into circular motion, and then the generator 9 at the bottom is driven to rotate, so that the electricity generation is realized.
The conversion toothed ring 16 is an integral frame, the inside of the conversion toothed ring is meshed with the conversion gear 17, the linear constraint frame 7 and the generator 9 fixing device are positioned on the U-shaped switching frame 15, and the outside of the integral part is connected with the base bracket 1 through the U-shaped switching frame 15.
In this embodiment, the first-order waving mode of the retired blade body 3 is applied to the retired blade body 3, the waving amplitude at the blade tip of the retired blade body 3 is maximum, the waving amplitude at the blade root of the retired blade body 3 is minimum, and the length of the rocking support frame 4 inside the retired blade body 3 reaches the higher-order frequency of the retired blade body 3; the retired blade body 3 swings the motion equation through wind power as follows:
Y=A·sin(2πft）；
wherein Y represents the waving motion displacement of the retired blade body 3;Arepresenting the flapping amplitude, wherein the flapping amplitude at the tip of the retired blade body 3 is usedA max A representation;frepresenting retired bladesThe waving frequency of the body 3; t denotes the moment at which the wind is applied to the retired blade body 3.
Specifically, the retired blade body 3 installed on the ground is subject to wind shearing, so that the retired blade body 3 is in waving motion in the incoming flow direction, the displacement of each point of the retired blade body 3 is periodically changed, and the waving frequency of the retired blade body 3 is related to the incoming flow wind speed. According to the elastic deformation theory of the blade, the energy in the waving process of the retired blade body 3 is mainly concentrated at low-order frequencies such as first order and second order. According to the invention, the first-order waving type of the retired blade body 3 is applied to the retired blade body 3, wherein waving amplitude at the blade tip is maximum, waving amplitude at the blade root is minimum, and a rocking support frame 4 inside the retired blade body 3 reaches a high-order frequency of the retired blade body 3, so that the rocking amplitude is increased. Because the single retired blade body 3 occupies a small area and has low wind condition requirements, the invention not only can be used in wind power plants, but also can be used for distributed power supply in rural areas. A variety of sustainable power solutions are provided on a consistent basis.
In summary, the invention is provided with a base bracket 1, a swing avoidance bar hole 2 is formed on the upper end surface of the base bracket 1, a retired blade body 3 is connected above the base bracket 1, a swing support frame 4 is arranged inside the retired blade body 3, and a pressure generating mechanism I is distributed on the side part of the swing support frame 4; an avoidance space 5 is formed at the inner side of the base bracket 1, the avoidance space 5 is provided with a swing power generation mechanism II, and the swing power generation mechanism II comprises a swing adapter shaft 6, a linear constraint frame 7, a linear circumference conversion assembly 8 and a generator 9; the lower end of the swing supporting frame 4 is connected with the upper end of the swing adapter shaft 6 through the swing avoiding strip hole 2; the lower end of the swinging adapter shaft 6 passes through the linear constraint frame 7 to be connected with the power input end of the linear circumference conversion assembly 8, and the power output end of the linear circumference conversion assembly 8 is connected with the generator 9; the retired blade body 3 swings by wind power to make the pressure generating mechanism I and the swing generating mechanism II generate power simultaneously. The first support frame 10 and the second support frame 11 of pressure power generation position adopt the arc support frame design for install pressure power generation piece 12, simultaneously, arc first support frame 10, second support frame 11 are higher with retired blade body 3 adaptation degree, can use with the retired blade body 3 cooperation of multiple model. And the radian and the size of the first support frame 10 are different from those of the second support frame 11, and the sizes of the first support frame and the second support frame are increased gradually from top to bottom, so that different airfoil sections of the retired blade body 3 are suitable for full support, and the waving stroke waste is reduced. The retired blade body 3 generates pressure on two sides of the first supporting frame 10 and the second supporting frame 11 in the waving process, and the pressure extrudes the pressure generating piece 12 to convert mechanical energy into electric energy so as to realize pressure power generation. The circuit of pressure electricity generation piece 12 on curved first support frame 10 and the second support frame 11 is integrated through the circuit pipeline, is connected with outside cable in the lump, integrates the line of walking and hugs closely first support frame 10 and second support frame 11, and the circuit does not contact with the inner wall of retired blade body 3, guarantees that retired blade body 3 does not cause fatigue damage to the internal circuit in the swing process. The U-shaped adapter rack 15 realizes the engagement effect of the base support 1 and the internal conversion toothed ring 16, the conversion toothed ring 16 and the conversion gear 17 adopt an internal engagement mode of 'dynamic and static combination', the internal active conversion gear 17 is driven by the waving of the retired blade body 3 to realize motion conversion with the internal engagement of the conversion toothed ring 16, meanwhile, the teeth adopt involute tooth profiles, the involute internal engagement mode has low sliding coefficient and high engagement strength, the transmission precision and efficiency of the mode are high, the transmission capacity is strong, and the power generation efficiency can be improved. Because the lower extreme of rocking support frame 4 is through rocking dodging strip hole 2 and connecting rocking adapter shaft 6, rocking support frame 4 in-process of rocking can drive rocking adapter shaft 6 and carry out linear constraint motion along linear constraint frame 7, and this in-process will retired blade body 3 swing irregular motion that produces and change fixed linear motion. At this time, the swing adapter shaft 6 drives the conversion gear 17 to start working through the upper adapter 18, the action of the conversion gear 17 drives the generator 9 to generate electricity through the lower adapter 19, and then the linear motion of the swing adapter shaft 6 above is converted into circular motion, and then the generator 9 at the bottom is driven to rotate, so that the electricity generation is realized. The invention realizes the pressure power generation and swing power generation of the retired blades, can be used as a main power supply or a standby power supply of a wind power plant, provides stable, reliable and efficient power supply for equipment, and achieves the purpose of recycling the retired blades.
While the invention has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the invention and are intended to be within the scope of the invention as claimed.
Claims (10)
1. The integrated device for generating power by the waving pressure based on the retired blades of the horizontal-axis wind turbine is characterized by comprising a base bracket (1), wherein a swinging avoidance strip hole (2) is formed on the upper end face of the base bracket (1), a retired blade body (3) is connected above the base bracket (1), a swinging support frame (4) is arranged in the retired blade body (3), and a pressure generating mechanism (I) is distributed on the side part of the swinging support frame (4);
an avoidance space (5) is formed at the inner side of the base support (1), the avoidance space (5) is provided with a swing power generation mechanism (II), and the swing power generation mechanism (II) comprises a swing adapter shaft (6), a linear constraint frame (7), a linear circumference conversion assembly (8) and a generator (9); the lower end of the swing support frame (4) is connected with the upper end of the swing adapter shaft (6) through the swing avoidance bar hole (2); the lower end of the swinging adapter shaft (6) penetrates through the linear constraint frame (7) to be connected with the power input end of the linear circumference conversion assembly (8), and the power output end of the linear circumference conversion assembly (8) is connected with the generator (9);
the retired blade body (3) swings through wind power so that the pressure power generation mechanism (I) and the swing power generation mechanism (II) generate power simultaneously.
2. The integrated device for generating electricity by flapping pressure based on retired blades of horizontal-axis wind turbine according to claim 1, wherein the swinging support frame (4) comprises a first support frame (10) and a second support frame (11), and the upper end of the first support frame (10) is connected with the lower end of the second support frame (11);
the pressure power generation mechanism (I) comprises a plurality of pressure power generation pieces (12), and the pressure power generation pieces (12) are connected to two sides of the first support frame (10) and the second support frame (11) through power generation piece fixing frames (13).
3. The integrated device for generating electricity by the flapping pressure based on the retired blades of the horizontal-axis wind turbine according to claim 1, wherein fixing holes (14) are distributed at the upper end of the base bracket (1), and the end part of the retired blade body (3) and the base bracket (1) are fixed through the fixing holes (14) by bolts;
the end part of the retired blade body (3) is covered on the periphery of the swing avoidance bar hole (2).
4. The integrated device for generating electricity based on the flapping pressure of the retired blades of the horizontal-axis wind turbine according to claim 1, wherein the swinging generating mechanism (II) further comprises a U-shaped adapter bracket (15), and the side part of the U-shaped adapter bracket (15) is connected with the inner side of the base bracket (1); the inner side of the U-shaped adapter bracket (15) is connected with a conversion toothed ring (16);
the linear circumferential conversion assembly (8) comprises a conversion gear (17), the conversion gear (17) being located inside the conversion gear ring (16), the conversion gear (17) being in mesh with the conversion gear ring (16).
5. The integrated device for generating electricity based on the flapping pressure of the retired blades of a horizontal axis wind turbine according to claim 4, wherein the meshing teeth of the conversion gear (17) and the conversion toothed ring (16) adopt involute profiles.
6. The integrated horizontal axis wind turbine decommissioning blade-based flapping pressure power generation device of claim 4, wherein the linear circumferential conversion assembly (8) further comprises an upper adapter (18) and a lower adapter (19), the upper adapter (18) being connected to an upper portion of the conversion gear (17), the lower adapter (19) being connected to a lower portion of the conversion gear (17);
the upper adapter (18) is connected with the swing adapter shaft (6), and the lower adapter (19) is connected with a power input terminal of the generator (9).
7. The integrated device for generating electricity by flapping pressure based on retired blades of horizontal-axis wind turbine according to claim 6, characterized in that the linear constraint frame (7) is shaped like a Chinese character kou, and the conversion toothed ring (16) is positioned inside the linear constraint frame (7);
the power input terminal of the generator (9) protrudes from the bottom of the linear constraint frame (7) to connect the lower adapter (19).
8. The integrated device for generating electricity based on the flapping pressure of the retired blades of the horizontal-axis wind turbine according to claim 7, wherein the linear constraint frame (7) is positioned on the inner side of the U-shaped adapter frame (15); the generator (9) is connected with the bottom of the U-shaped switching frame (15) through bolts.
9. The integrated device for generating power based on the flapping pressure of the retired blades of the horizontal-axis wind turbine according to claim 1, wherein the first-order flapping mode of the retired blade body (3) is applied to the retired blade body (3), the flapping amplitude of the blade tips of the retired blade body (3) is maximum, the flapping amplitude of the blade roots of the retired blade body (3) is minimum, and the length of the swinging support frame (4) inside the retired blade body (3) reaches the high-order frequency of the retired blade body (3).
10. The integrated device for generating electricity based on the flapping pressure of the retired blades of the horizontal-axis wind turbine according to claim 9, wherein the retired blade body (3) is characterized in that the flapping and swinging motion equation of wind power is as follows:
Y=A·sin(2πft)；
wherein Y represents the waving motion displacement of the retired blade body (3);Arepresenting the flapping amplitude, wherein the flapping amplitude at the tip of the retired blade body (3) is usedA max A representation;frepresenting the flapping frequency of the retired blade body (3); t represents the moment at which the wind is applied to the retired blade body (3).
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| CN116928009A (en) * | 2023-06-15 | 2023-10-24 | 重庆交通大学 | Variable-structure blade mechanism for wind power generation and wind power generation device thereof |
| CN116961354A (en) * | 2023-04-21 | 2023-10-27 | 浙江师范大学 | Multipurpose shimmy composite generator |
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| US7541720B2 (en) * | 2006-12-20 | 2009-06-02 | The Boeing Company | Energy harvesting apparatus and method |
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| JP2005354765A (en) * | 2004-06-08 | 2005-12-22 | Taiheiyo Cement Corp | Power generating apparatus |
| CN103378763A (en) * | 2012-04-12 | 2013-10-30 | 襄樊学院 | A wind power generator with piezoelectricity generation pieces |
| CN203522580U (en) * | 2013-09-30 | 2014-04-02 | 西安科技大学 | Omnidirectional vibration energy collecting device |
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| WO2021104564A1 (en) * | 2019-11-28 | 2021-06-03 | Schaeffler Technologies AG & Co. KG | Rocker pressure piece for a rocker pressure piece pair in a plate link chain |
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