CN109653956B - Protective offshore wind turbine generator system - Google Patents
Protective offshore wind turbine generator system Download PDFInfo
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- CN109653956B CN109653956B CN201910156978.XA CN201910156978A CN109653956B CN 109653956 B CN109653956 B CN 109653956B CN 201910156978 A CN201910156978 A CN 201910156978A CN 109653956 B CN109653956 B CN 109653956B
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- 230000001681 protective effect Effects 0.000 title claims abstract description 89
- 238000010248 power generation Methods 0.000 claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 230000008602 contraction Effects 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000000696 magnetic material Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 230000001012 protector Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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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- 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
- F03D13/25—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
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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
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
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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
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
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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
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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
- Y02E10/727—Offshore wind turbines
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- 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 belongs to the technical field of offshore wind power equipment, and particularly relates to a protective offshore wind power generation unit which comprises a central upright post, a central floating base arranged at the top of the central upright post, a height sensor arranged on the sea surface, a central counterweight seat, a steel cable, a seabed fixing pile, a first connecting rod, a second connecting rod, a third connecting rod, a power generation unit and a controller, wherein the central floating base is arranged at the top of the central upright post; the controller is used for controlling the power generation unit to work; the central counterweight seat is fixedly connected with the lower end of the central upright post and is used for keeping the central upright post vertical; one end of the steel cable is arranged on the central upright post. Through setting up a plurality of power generation units, simultaneously through the cooperation between shrink mechanism, generator, blade and protector, realized when the billow hits, generator and blade can take in the protector and protect, avoided generating set's damage, practiced thrift cost of maintenance.
Description
Technical Field
The invention belongs to the technical field of offshore wind power equipment, and particularly relates to a protective offshore wind power generator set.
Background
With the gradual saturation of the development degree of wind power resources in the intertidal zone and the offshore area and the gradual increase of energy demand, the trend of offshore wind power generation from the intertidal zone and the offshore area to the deep sea area is inevitable. The resource reserve of deep-sea wind power energy in China is in the forefront of the world, and the development prospect of the offshore wind power industry is wide. Compared with a shallow wind power plant, the deep wind power plant has the advantages of high wind speed, low wind shear, small turbulence degree and the like, and has small influence on an offshore channel. With the increase of water depth, the traditional fixed offshore wind turbine foundation structure is difficult to meet the requirements of deep sea wind energy development, and the self weight and the engineering cost of the fixed offshore wind turbine are greatly increased along with the water depth. The comprehensive cost of the floating foundation structure in the deep sea area is far lower than that of the fixed foundation structure in the deep sea area, and the floating foundation structure has good maneuverability and is easy to disassemble, and can be recycled at the end of service. The single-column foundation structure is suitable for an offshore wind power generation system with a higher gravity center, the draught is larger due to the smaller area of a waterline, the integral performance of the floating type fan in a deep sea area is improved, but the length of the main body of the single-column foundation structure is too large, and if each generator set is built by using the single-column foundation structure, the construction and installation are difficult, and the stability in strong wind weather is poor.
The technical scheme that a patent relates to a protective offshore wind turbine generator system also appears in the prior art, and a Chinese patent with the application number of 2018111098529 discloses an anti-strong wind offshore wind turbine generator system and an installation method, and the anti-strong wind offshore wind turbine generator system comprises a central stand column and edge short stand columns, wherein an underwater support is arranged on the surface of the central stand column, one end of the underwater support is provided with a first fixing ring, a second fixing ring is arranged on the surface of the edge short stand column, a floating base is arranged at the top of the edge short stand column, a tower pole is arranged at the top of the floating base, a generator is arranged at the top of the tower pole, a wind wheel is arranged on one side of the generator, and first steel wires are arranged between the top and the bottom of the edge short stand column.
According to the technical scheme, the strong wind resistant offshore wind turbine generator and the installation method can resist certain strong wind. However, in the technical scheme, due to the fact that weather at sea changes at many ends and the situation that sea waves such as typhoon and tsunami are too large can be met, the sea waves are too high, the wind turbine generator is easily and directly damaged, and huge loss is caused; so that the technical solution is limited.
Disclosure of Invention
In order to make up the defects of the prior art and solve the problems that the wind turbine generator is easy to damage due to overhigh sea waves; the invention provides a protective offshore wind turbine generator system.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a protective offshore wind turbine generator system, which comprises a central upright post, a central floating base arranged at the top of the central upright post, a height sensor arranged on the sea surface, a central counterweight seat, a steel cable, a seabed fixing pile, a first connecting rod, a second connecting rod, a third connecting rod, a power generation unit and a controller, wherein the central floating base is arranged at the top of the central upright post; the controller is used for controlling the power generation unit to work; the central counterweight seat is fixedly connected with the lower end of the central upright post and is used for keeping the central upright post vertical; one end of the steel cable is arranged on the central upright post, and the other end of the steel cable is arranged on a seabed fixing pile which is fixed on the seabed in advance; two ends of the first connecting rod are respectively hinged to the central upright post and the power generation unit; the two ends of the second connecting rod are respectively hinged to the central upright post and the power generation units, a plurality of power generation units are distributed around the central upright post at equal intervals in a circumferential manner, the second connecting rod and the first connecting rod are arranged in parallel, and a plurality of third connecting rods are vertically hinged between the second connecting rod and the first connecting rod; the third connecting rods are arranged in parallel, and are used for increasing the strength between the first connecting rod and the second connecting rod; the height sensors are uniformly distributed around the central upright post and used for measuring the size of sea waves; the sea waves drive the height sensor to float up and down, so that the height measured by the height sensor is changed, and the detection of the size of the sea waves is realized; wherein the content of the first and second substances,
the power generation unit comprises a contraction mechanism, a generator, a wind wheel, a first mounting plate, blades, a protective device, an edge floating base and an edge counterweight seat; the generator is rotationally arranged on the contraction mechanism, and a wind wheel is arranged on a transmission shaft of the generator; the wind wheel is provided with a first mounting plate; the blades are rotatably arranged on the first mounting plate through a rotating shaft; the protective device is arranged on the contraction mechanism; the retraction mechanism is used for receiving the generator and the blades into the protection device, and the protection device is used for containing the generator and the blades; the edge floating base is arranged on the protection device and used for floating the power generation unit; the edge weight seat is arranged at the bottom of the contraction mechanism. When the sea waves are small, the sea wind blows the blades, so that the generator rotates to generate electricity, when the sea waves are too large, the controller can control the contraction mechanism to take the generator and the blades into the protection device to be protected, and the situation that the generator and the blades are beaten by the sea waves is avoided.
Preferably, the contraction mechanism comprises a hydraulic cylinder, a piston, a tower rod, a first air cylinder, a first pull rod, a second mounting plate, a second air cylinder, a fan cover, a second pull rod, a first vacuum pump and a hydraulic pump; the bottom of the hydraulic cylinder is fixedly connected with the edge counterweight seat, the protective device is arranged on the hydraulic cylinder in a penetrating manner, a piston is arranged on the inner wall of the hydraulic cylinder, a hydraulic pump is arranged on the hydraulic cylinder, and the hydraulic pump is used for sliding the piston; a tower rod is arranged at the upper end of the piston; the upper end of the tower rod is provided with a U-shaped mounting groove, a generator is rotatably arranged on the U-shaped mounting groove, a first air cylinder is embedded in the bottom of the U-shaped mounting groove, the end part of the first air cylinder is hinged with one end of a first pull rod, and the other end of the first pull rod is hinged to one side, away from the blades, of the generator; the first air cylinder is used for pulling the generator to rotate, the first air cylinder is communicated with the second air cylinder through an air pipe, a first vacuum pump is arranged on the air pipe and used for providing power for the first air cylinder and the second air cylinder, and the first vacuum pump is a reciprocating vacuum pump; one end of the second air cylinder is fixedly connected with the wind wheel, the other end of the second air cylinder is fixedly connected with the fan cover, and the second air cylinder is used for pushing the fan cover to move; one end of a second pull rod is hinged to the wind shield, and the other end of the second pull rod is hinged to the blade. When sea waves are small, the first cylinder is in an extending state, the second cylinder is in a retracting state, the generator is transversely arranged, the blades are supported by the second pull rod, and the blades can normally rotate by wind to realize power generation; when sea waves are large, the first vacuum pump sucks gas in the first cylinder into the second cylinder to enable the first cylinder to contract, the second cylinder extends, the first cylinder pulls the first pull rod downwards to enable the generator to rotate to the vertical direction, meanwhile, the second cylinder pushes the fan cover, the fan cover enables the blades to rotate close to each other through the second pull rod, and therefore the axial radius is greatly reduced, and the blades with large axial radius can be accommodated into the protective device with small radius; at the moment, the controller controls the hydraulic pump, so that the piston moves downwards, and the piston drives the tower rod to move downwards, so that the generator and the blades are collected into the protection device to be protected.
Preferably, the protection device comprises a protection shell, a T-shaped sliding rod, a rack, a gear, a semicircular protection cover and a motor; the protective shell is of a cylindrical structure with an opening at the upper end, a hydraulic cylinder penetrates through the bottom wall of the protective shell, and a T-shaped sliding rod penetrates through the side wall of the protective shell in a sliding manner; the upside of T type slide bar is provided with semi-circular protective cover, and a complete protective cover can be pieced together to two semi-circular protective covers, and the downside of T type slide bar is provided with the rack, rack and gear engagement transmission, and the gear links firmly on the output shaft of motor, and the motor links firmly on protective housing, and the motor is used for driving T type slide bar and slides. When the tower pole moves down, generator and blade can be brought into protective housing in, protect, and the motor drives the gear and rotates this moment, through the cooperation between gear, rack, T type slide bar and semi-circular protective cover for the removal that two semi-circular protective covers can be close to each other and piece together a complete protective cover, with protective housing's top seal, thereby realize the high-efficient protection to generator and blade.
Preferably, the edge floating base is composed of a plurality of annular air bags, the diameters of the annular air bags are gradually increased from inside to outside, and the annular air bags are communicated with one another. The edge floating base which is of a disc shape is spliced by a plurality of annular air bags with different diameters, so that the stability of the edge floating base is improved, and meanwhile, the volume of air in the annular air bags can be changed, so that the buoyancy of the edge floating base is adjusted.
Preferably, a semicircular air bag is arranged on the upper side surface of the semicircular protective cover; the semicircular air bag is communicated with the annular air bag through an air pipe, a second vacuum pump is arranged on the air pipe, and the second vacuum pump is used for conveying air in the annular air bag and the semicircular air bag. The second vacuum pump fills the gas in the annular air bag into the semicircular air bag, the buoyancy of the annular air bag is greatly reduced, so that the protective shell and the semicircular protective cover sink to the sea surface, the slapping of billows can be avoided, and the damage of the protective device is prevented.
Preferably, be provided with a plurality of rows of locating lever on protective housing's the inner wall, be located a plurality of locating lever equidistance of same row and articulate on protective housing's inner wall, the downside of locating lever passes through the spring and is connected with protective housing's inner wall, and the spring is used for reseing of locating lever. When the blade was by in the income protecting sheathing, the blade can promote the locating lever, and the locating lever can take place to rotate, and the locating lever card that is located the blade both sides is in the both sides of blade to reduce rocking of blade, avoid the blade impaired.
Preferably, the end part of the positioning rod is provided with an electromagnet, the blades are coated with a magnetic material, and the magnetic material and the electromagnet attract each other. The blade can be attracted by the electromagnet on the positioning rod, so that the swinging of the blade is further reduced, and the damage of the blade is further avoided.
The invention has the following beneficial effects:
1. according to the protective offshore wind turbine generator set, the plurality of power generation units are arranged, and the shrinkage mechanism, the generator, the blades and the protective device are matched, so that the generator and the blades can be collected into the protective device to be protected when a huge wave is hit, the generator set is prevented from being damaged, and the maintenance cost is saved.
2. According to the protective offshore wind turbine generator system, the gas in the annular air bag is filled into the semicircular air bag through the second vacuum pump, the buoyancy of the annular air bag is greatly reduced, and the protective shell and the semicircular protective cover are sunk below the sea surface, so that the slapping of billows can be avoided, and the protective device is prevented from being damaged.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a front view of the present invention;
FIG. 2 is a front view of the power generation unit in operation;
FIG. 3 is a front view of the power generation unit when stowed;
FIG. 4 is an enlarged view of a portion of FIG. 2 at A;
FIG. 5 is a cross-sectional view B-B of FIG. 2;
FIG. 6 is a cross-sectional view C-C of FIG. 3;
in the figure: the device comprises a central upright post 1, a central floating base 2, a central counterweight base 3, a steel cable 4, a seabed fixing pile 5, a first connecting rod 6, a second connecting rod 7, a third connecting rod 8, a power generation unit 9, a contraction mechanism 91, a hydraulic cylinder 911, a piston 912, a tower rod 913, a first air cylinder 914, a first pull rod 915, a second mounting plate 916, a second air cylinder 917, a wind cover 918, a second pull rod 919, a generator 92, a wind wheel 93, a first mounting plate 94, a blade 95, a protection device 96, a protection shell 961, a T-shaped sliding rod 962, a rack 963, a gear 964, a semicircular protection cover 965, a semicircular air bag 966, a positioning rod 967, an electromagnet 968, an edge floating base 97 and an edge counterweight base 98.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 6, the protective offshore wind turbine generator system according to the present invention comprises a central upright 1, a central floating base 2 disposed on the top of the central upright 1, a height sensor disposed on the sea surface, a central counterweight seat 3, a steel cable 4, a seabed spud pile 5, a first connecting rod 6, a second connecting rod 7, a third connecting rod 8, a power generation unit 9, and a controller; the controller is used for controlling the power generation unit 9 to work; the central counterweight seat 3 is fixedly connected with the lower end of the central upright post 1, and the central counterweight seat 3 is used for keeping the central upright post 1 vertical; one end of the steel cable 4 is arranged on the central upright post 1, and the other end of the steel cable 4 is arranged on a seabed fixing pile 5 which is fixed on the seabed in advance; two ends of the first connecting rod 6 are respectively hinged on the central upright post 1 and the power generation unit 9; two ends of the second connecting rod 7 are respectively hinged to the central upright post 1 and the power generation units 9, a plurality of power generation units 9 are distributed around the central upright post 1 at equal intervals in a circumferential manner, the second connecting rod 7 and the first connecting rod 6 are arranged in parallel, and a plurality of third connecting rods 8 are vertically hinged between the second connecting rod 7 and the first connecting rod 6; the third connecting rods 8 are arranged in parallel, and the third connecting rods 8 are used for increasing the strength between the first connecting rod 6 and the second connecting rod 7; a plurality of height sensors are uniformly distributed around the central upright post 1 and are used for measuring the size of sea waves; the sea waves drive the height sensor to float up and down, so that the height measured by the height sensor is changed, and the detection of the size of the sea waves is realized; wherein the content of the first and second substances,
the power generation unit 9 comprises a contraction mechanism 91, a power generator 92, a wind wheel 93, a first mounting plate 94, blades 95, a protective device 96, an edge floating base 97 and an edge weight seat 98; the generator 92 is rotatably arranged on the contraction mechanism 91, and a wind wheel 93 is arranged on a transmission shaft of the generator 92; a first mounting plate 94 is arranged on the wind wheel 93; the blades 95 are rotatably arranged on the first mounting plate 94 through a rotating shaft; the guard 96 is provided on the retracting mechanism 91; retraction mechanism 91 is adapted to receive generator 92 and blades 95 into guard 96, guard 96 being adapted to include generator 92 and blades 95; the edge floating base 97 is provided on the guard 96, and the edge floating base 97 is used for floating of the power generation unit 9; an edge weight seat 98 is provided at the bottom of the retraction mechanism 91. When the sea waves are small, the sea wind blows the blades 95, so that the generator 92 rotates to generate electricity, and when the sea waves are too large, the controller can control the contraction mechanism 91 to take the generator 92 and the blades 95 into the protection device 96 to be protected, and the situation that the generator 92 and the blades 95 are knocked out by the sea waves is avoided.
As an embodiment of the present invention, the retracting mechanism 91 includes a hydraulic cylinder 911, a piston 912, a tower 913, a first cylinder 914, a first pull rod 915, a second mounting plate 916, a second cylinder 917, a wind shield 918, a second pull rod 919, a first vacuum pump, and a hydraulic pump; the bottom of the hydraulic cylinder 911 is fixedly connected with the edge counterweight seat 98, the protective device 96 is arranged on the hydraulic cylinder 911 in a penetrating manner, the piston 912 is arranged on the inner wall of the hydraulic cylinder 911, and the hydraulic pump is arranged on the hydraulic cylinder 911 and used for sliding the piston 912; a tower rod 913 is arranged at the upper end of the piston 912; a U-shaped mounting groove is formed in the upper end of the tower rod 913, a generator 92 is rotatably arranged on the U-shaped mounting groove, a first air cylinder 914 is embedded in the bottom of the U-shaped mounting groove, one end of the first air cylinder 914 is hinged to one end of a first pull rod 915, and the other end of the first pull rod 915 is hinged to one side, away from the blades 95, of the generator 92; the first cylinder 914 is used for pulling the generator 92 to rotate, the first cylinder 914 is communicated with the second cylinder 917 through an air pipe, a first vacuum pump is arranged on the air pipe and used for providing power for the first cylinder 914 and the second cylinder 917, and the first vacuum pump is a reciprocating vacuum pump; one end of the second cylinder 917 is fixedly connected with the wind wheel 93, the other end of the second cylinder 917 is fixedly connected with the fan housing 918, and the second cylinder 917 is used for pushing the fan housing 918 to move; one end of a second pull rod 919 is hinged to the fan cover 918, and the other end of the second pull rod 919 is hinged to the blade 95. When sea waves are small, the first air cylinder 914 is in an extending state, the second air cylinder 917 is in a retracting state, the generator 92 is transversely arranged at the moment, the blade 95 is supported by the second pull rod 919, and the blade 95 can normally rotate by wind to realize power generation; when the sea wave is large, the first vacuum pump pumps the gas in the first cylinder 914 into the second cylinder 917 to contract the first cylinder 914, the second cylinder 917 extends, the first cylinder 914 pulls the first pull rod 915 downwards to rotate the generator 92 to the vertical direction, meanwhile, the second cylinder 917 pushes the fan housing 918, the fan housing 918 rotates the blades 95 close to each other through the second pull rod 919, and therefore the axial radius is greatly reduced, and the blades 95 with large axial radius can be accommodated into the protective device 96 with small radius; the controller then controls the hydraulic pump such that piston 912 moves downward and piston 912 moves tower 913 downward, thereby shielding generator 92 and blades 95 from being received in guard 96.
As an embodiment of the present invention, the protector 96 includes a protective housing 961, a T-shaped slide bar 962, a rack 963, a gear 964, a semicircular protective cover 965, and a motor; the protective shell 961 is of a cylindrical structure with an open upper end, a hydraulic cylinder 911 penetrates through the bottom wall of the protective shell 961, and a T-shaped sliding rod 962 penetrates through the side wall of the protective shell 961 in a sliding manner; the upside of T type slide bar 962 is provided with semi-circular protective cover 965, and two semi-circular protective covers 965 can piece together a complete protective cover, and the downside of T type slide bar 962 is provided with rack 963, and rack 963 and gear 964 meshing transmission, gear 964 link firmly on the output shaft of motor, and the motor links firmly on protective housing 961, and the motor is used for driving T type slide bar 962 and slides. When tower 913 moves down, generator 92 and blade 95 can be brought into protective housing 961, protect, and the motor drives gear 964 and rotates this moment, and through the cooperation between gear 964, rack 963, T type slide bar 962 and semi-circular protective cover 965 for two semi-circular protective covers 965 can be close to each other the removal and piece together a complete protective cover, seal protective housing 961's top, thereby realize the high-efficient protection to generator 92 and blade 95.
In one embodiment of the present invention, the rim floating base 97 is composed of a plurality of annular air cells, the diameter of the annular air cells gradually increases from inside to outside, and the annular air cells are communicated with each other. The edge floating base 97 which is a disc is spliced by a plurality of annular air bags with different diameters, so that the stability of the edge floating base 97 is improved, and the buoyancy of the edge floating base 97 can be adjusted by changing the amount of air in the annular air bags.
As an embodiment of the present invention, the semicircular protecting cover 965 is provided at an upper side thereof with a semicircular balloon 966; the semicircular air bag 966 is communicated with the annular air bag through an air pipe, a second vacuum pump is arranged on the air pipe, and the second vacuum pump is used for conveying air in the annular air bag and the semicircular air bag 966. The second vacuum pump fills the gas in the annular airbag into the semicircular airbag 966, the buoyancy of the annular airbag is greatly reduced, so that the protective shell 961 and the semicircular protective cover sink to the sea surface, the slapping of billows can be avoided, and the protective device 96 is prevented from being damaged.
As an embodiment of the present invention, a plurality of rows of positioning rods 967 are disposed on an inner wall of the protective housing 961, the positioning rods 967 located in the same row are equidistantly hinged on the inner wall of the protective housing 961, a lower side of the positioning rod 967 is connected to the inner wall of the protective housing 961 through a spring, and the spring is used for resetting the positioning rod 967. When blade 95 was received in protective housing 961, blade 95 can promote locating lever 967, and locating lever 967 can take place to rotate, is located the locating lever 967 card of blade 95 both sides in blade 95's both sides to reduce rocking of blade 95, avoid blade 95 impaired.
In one embodiment of the present invention, an electromagnet 968 is disposed at an end of the positioning rod 967, and a magnetic material is coated on the blade 95, so that the magnetic material and the electromagnet 968 attract each other. The electromagnet 968 on the positioning rod 967 attracts the blade 95, so as to further reduce the shaking of the blade 95 and further avoid the damage of the blade 95.
When the height sensor works, the sea waves drive the height sensor to float up and down, so that the height measured by the height sensor is changed, and the detection of the size of the sea waves is realized; when sea waves are small, the first air cylinder 914 is in an extending state, the second air cylinder 917 is in a retracting state, the generator 92 is transversely arranged at the moment, the blade 95 is supported by the second pull rod 919, and the blade 95 can normally rotate by wind to realize power generation; when the sea wave is large, the first vacuum pump pumps the gas in the first cylinder 914 into the second cylinder 917 to contract the first cylinder 914, the second cylinder 917 extends, the first cylinder 914 pulls the first pull rod 915 downwards to rotate the generator 92 to the vertical direction, meanwhile, the second cylinder 917 pushes the fan housing 918, the fan housing 918 rotates the blades 95 close to each other through the second pull rod 919, and therefore the axial radius is greatly reduced, and the blades 95 with large axial radius can be accommodated into the protective device 96 with small radius; at this time, the controller controls the hydraulic pump to move the piston 912 downward, and the piston 912 drives the tower rod 913 to move downward, so that the generator 92 and the blades 95 are received in the protective device 96 for protection; at the moment, the motor drives the gear 964 to rotate, through the matching among the gear 964, the rack 963, the T-shaped sliding rod 962 and the semicircular protective covers 965, the two semicircular protective covers 965 can move close to each other and form a complete protective cover, the top of the protective shell 961 is sealed, and therefore efficient protection of the generator 92 and the blade 95 is achieved, when the blade 95 is taken into the protective shell 961, the blade 95 can push the positioning rod 967, the positioning rod 967 can rotate, the positioning rods 967 on two sides of the blade 95 are clamped on two sides of the blade 95, and therefore shaking of the blade 95 is reduced, and the blade 95 is prevented from being damaged; the second vacuum pump fills the gas in the annular airbag into the semicircular airbag 966, the buoyancy of the annular airbag is greatly reduced, so that the protective shell 961 and the semicircular protective cover sink to the sea surface, the slapping of billows can be avoided, and the protective device 96 is prevented from being damaged.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
Finally, it should be pointed out that: the above examples are only for illustrating the technical solutions of the present invention, and are not limited thereto. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention. All other embodiments obtained by a person skilled in the art without making any inventive step are within the scope of protection of the present invention.
Claims (7)
1. The utility model provides a marine wind turbine of protection type, includes central pillar (1), sets up at central authorities of central pillar (1) top and floats base (2) and set up the height sensor on the sea, its characterized in that: the device also comprises a central counterweight seat (3), a steel cable (4), a seabed fixing pile (5), a first connecting rod (6), a second connecting rod (7), a third connecting rod (8), a power generation unit (9) and a controller; the controller is used for controlling the power generation unit (9) to work; the central counterweight seat (3) is fixedly connected with the lower end of the central upright post (1), and the central counterweight seat (3) is used for keeping the central upright post (1) vertical; one end of the steel cable (4) is arranged on the central upright post (1), and the other end of the steel cable (4) is arranged on a seabed fixing pile (5) which is fixed on the seabed in advance; two ends of the first connecting rod (6) are respectively hinged on the central upright post (1) and the power generation unit (9); two ends of the second connecting rod (7) are respectively hinged to the central upright post (1) and the power generation units (9), the power generation units (9) are distributed around the central upright post (1) at equal intervals and circumferentially, the second connecting rod (7) and the first connecting rod (6) are arranged in parallel, and a plurality of third connecting rods (8) are vertically hinged between the second connecting rod (7) and the first connecting rod (6); the third connecting rods (8) are arranged in parallel, and the third connecting rods (8) are used for increasing the strength between the first connecting rod (6) and the second connecting rod (7); the height sensors are uniformly distributed around the central upright post (1) and are used for measuring the size of sea waves; wherein the content of the first and second substances,
the power generation unit (9) comprises a contraction mechanism (91), a power generator (92), a wind wheel (93), a first mounting plate (94), blades (95), a protective device (96), an edge floating base (97) and an edge counterweight seat (98); the generator (92) is rotationally arranged on the contraction mechanism (91), and a wind wheel (93) is arranged on a transmission shaft of the generator (92); a first mounting plate (94) is arranged on the wind wheel (93); the blades (95) are rotatably arranged on the first mounting plate (94) through a rotating shaft; the guard (96) is arranged on the retraction mechanism (91); a retraction mechanism (91) for receiving the generator (92) and the blades (95) into a guard (96), the guard (96) for including the generator (92) and the blades (95); the edge floating base (97) is arranged on the protective device (96), and the edge floating base (97) is used for floating the power generation unit (9); the edge weight seat (98) is arranged at the bottom of the contraction mechanism (91).
2. A protected offshore wind energy plant according to claim 1, characterized in that: the retraction mechanism (91) comprises a hydraulic cylinder (911), a piston (912), a tower rod (913), a first air cylinder (914), a first pull rod (915), a second mounting plate (916), a second air cylinder (917), a fan cover (918), a second pull rod (919), a first vacuum pump and a hydraulic pump; the bottom of the hydraulic cylinder (911) is fixedly connected with the edge counterweight seat (98), the hydraulic cylinder (911) is provided with a protective device (96) in a penetrating manner, the inner wall of the hydraulic cylinder (911) is provided with a piston (912), the hydraulic cylinder (911) is provided with a hydraulic pump, and the hydraulic pump is used for sliding the piston (912); a tower rod (913) is arranged at the upper end of the piston (912); the upper end of the tower rod (913) is provided with a U-shaped mounting groove, a generator (92) is rotatably arranged on the U-shaped mounting groove, a first air cylinder (914) is embedded in the bottom of the U-shaped mounting groove, the end part of the first air cylinder (914) is hinged with one end of a first pull rod (915), and the other end of the first pull rod (915) is hinged on one side, away from the blades (95), of the generator (92); the first air cylinder (914) is used for pulling the generator (92) to rotate, the first air cylinder (914) is communicated with the second air cylinder (917) through an air pipe, a first vacuum pump is arranged on the air pipe and used for providing power for the first air cylinder (914) and the second air cylinder (917), and the first vacuum pump is a reciprocating vacuum pump; one end of the second air cylinder (917) is fixedly connected with the wind wheel (93), the other end of the second air cylinder (917) is fixedly connected with the fan housing (918), and the second air cylinder (917) is used for pushing the fan housing (918) to move; one end of a second pull rod (919) is hinged to the fan cover (918), and the other end of the second pull rod (919) is hinged to the blade (95).
3. A protected offshore wind energy plant according to claim 1, characterized in that: the protective device (96) comprises a protective shell (961), a T-shaped sliding rod (962), a rack (963), a gear (964), a semicircular protective cover (965) and a motor; the protective shell (961) is of a cylindrical structure with an open upper end, a hydraulic cylinder (911) penetrates through the bottom wall of the protective shell (961), and a T-shaped sliding rod (962) penetrates through the side wall of the protective shell (961) in a sliding manner; the upside of T type slide bar (962) is provided with semi-circular protective cover (965), and a complete protective cover can be pieced together to two semi-circular protective cover (965), and the downside of T type slide bar (962) is provided with rack (963), and rack (963) and gear (964) meshing transmission, gear (964) link firmly on the output shaft of motor, and the motor links firmly on protective housing (961), and the motor is used for driving T type slide bar (962) to slide.
4. A protected offshore wind energy plant according to claim 1, characterized in that: the edge floating base (97) is composed of a plurality of annular air bags, the diameters of the annular air bags are gradually increased from inside to outside, and the annular air bags are communicated with one another.
5. A protected offshore wind energy plant according to claim 3, characterized in that: a semicircular air bag (966) is arranged on the upper side surface of the semicircular protective cover (965); the semicircular air bag (966) is communicated with the annular air bag through an air pipe, a second vacuum pump is arranged on the air pipe, and the second vacuum pump is used for conveying air in the annular air bag and the semicircular air bag (966).
6. A protected offshore wind energy plant according to claim 3, characterized in that: be provided with several rows of locating lever (967) on the inner wall of protective housing (961), be located a plurality of locating lever (967) equidistance of same row and articulate on the inner wall of protective housing (961), the downside of locating lever (967) passes through the spring and is connected with the inner wall of protective housing (961), and the spring is used for restoring to the throne of locating lever (967).
7. A protected offshore wind energy plant according to claim 6, characterized in that: an electromagnet (968) is arranged at the end part of the positioning rod (967), a magnetic material is coated on the blade (95), and the magnetic material and the electromagnet (968) are mutually attracted.
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| CN201910156978.XA CN109653956B (en) | 2019-03-01 | 2019-03-01 | Protective offshore wind turbine generator system |
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| CN201910156978.XA CN109653956B (en) | 2019-03-01 | 2019-03-01 | Protective offshore wind turbine generator system |
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| CN113250229A (en) * | 2020-07-28 | 2021-08-13 | 裴广华 | Pile-free self-stabilizing base of offshore wind power tower |
| CN112644648B (en) * | 2020-12-25 | 2022-11-04 | 江苏源泉泵业股份有限公司 | Internet of things water monitoring environment-friendly floating station capable of automatically adjusting according to wind power |
| CN114411829A (en) * | 2022-01-25 | 2022-04-29 | 中国电建集团海南电力设计研究院有限公司 | Pile foundation and fan foundation connection detection device |
| CN114802623B (en) * | 2022-04-25 | 2023-11-28 | 中国电建集团贵阳勘测设计研究院有限公司 | Floating body for floating type offshore wind power generation equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2008291823A (en) * | 2007-05-28 | 2008-12-04 | Tamotsu Shimauchi | Automatic angle converter of blade by wind speed |
| US20120038157A1 (en) * | 2010-02-25 | 2012-02-16 | Skala James A | Synchronous Induced Wind Power Generation System |
| US9689372B2 (en) * | 2013-10-08 | 2017-06-27 | Aurelio Izquierdo Gonzalez | Vertical-axis wind turbine with protective screen |
| CN206738071U (en) * | 2016-12-07 | 2017-12-12 | 上海点甜农业专业合作社 | Wind power generation plant |
| CN108317050A (en) * | 2017-01-18 | 2018-07-24 | 重庆翼耀科技咨询有限公司 | Intelligent island wind-driven generator |
| CN206681916U (en) * | 2017-01-24 | 2017-11-28 | 重庆翼耀科技咨询有限公司 | Suitable for the novel wind generator of coastal area |
| CN206801782U (en) * | 2017-03-23 | 2017-12-26 | 武汉大学 | A kind of wind and wave resistance floating marine formula composite generating set |
| KR20180136236A (en) * | 2017-06-14 | 2018-12-24 | 김용성 | Floating Wind Power Generator Combined with Tidal Power generator |
| CN108757315A (en) * | 2018-05-29 | 2018-11-06 | 苏州瑞非通信息科技有限公司 | A kind of wind motor of automation |
| CN108979969B (en) * | 2018-07-19 | 2020-05-05 | 泰州九润环保科技有限公司 | Wind power generation device for ship |
| CN108979966A (en) * | 2018-09-21 | 2018-12-11 | 大连时森信息科技有限公司 | A kind of anti-high wind offshore wind farm unit and installation method |
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