CN111740686A - Offshore floating type photovoltaic system and construction method thereof - Google Patents
Offshore floating type photovoltaic system and construction method thereof Download PDFInfo
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- CN111740686A CN111740686A CN202010529353.6A CN202010529353A CN111740686A CN 111740686 A CN111740686 A CN 111740686A CN 202010529353 A CN202010529353 A CN 202010529353A CN 111740686 A CN111740686 A CN 111740686A
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/06—Bascule bridges; Roller bascule bridges, e.g. of Scherzer type
- E01D15/08—Drawbridges
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/20—Equipment for shipping on coasts, in harbours or on other fixed marine structures, e.g. bollards
- E02B3/24—Mooring posts
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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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- 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
- Y02E10/50—Photovoltaic [PV] energy
-
- 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
-
- 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
Abstract
The invention provides an offshore floating type photovoltaic system and a construction method thereof, wherein the offshore floating type photovoltaic system comprises the following steps: the floating pipe support system comprises a floating pipe support and a buoyancy tank, and a group of fixed pulleys and a group of mooring dolphins are respectively fixed at two ends of the floating pipe support; the anchoring and mooring system comprises an anchoring pile, a rope and a weight block, wherein the weight block is fixed at one end of the rope, and the other end of the rope is fixed on the anchoring pile by bypassing the fixed pulley. The floating type mooring system comprises a mooring pile and a floating type mooring pier, wherein the floating type mooring pier is nested in the mooring pile and is connected with the mooring pier through a rope; the photovoltaic system comprises a plurality of groups of folding photovoltaic panels, and the folding photovoltaic panels can automatically adjust the inclination angle to face the sunlight. The invention solves the problems of singleness of offshore wind power generation and insufficient resource development and utilization, and improves the overall benefit of offshore power generation.
Description
Technical Field
The invention relates to the field of offshore photovoltaic systems, in particular to an offshore wind power floating type photovoltaic system and a construction method thereof.
Background
With the large-scale development of offshore wind power, a sea area is imposed on an offshore wind turbine foundation point sign mode, a large number of sea areas exist around a wind turbine foundation, and a large resource development space exists. How to comprehensively utilize the part of the sea area, further promoting the intensive and economical utilization of sea area resources becomes a new subject, a photovoltaic system and a wind power generation system are efficiently combined, the developed limited sea area resources are utilized, the sea area space is fully planned, and the improvement of the offshore power generation capacity is further promoted.
Based on the situation, it is necessary to design a floating photovoltaic foundation for offshore wind power, wherein the floating photovoltaic is installed on the positive side of the offshore wind foundation, and the power output system of the offshore wind turbine is utilized, so that the investment is saved, and the overall benefit is improved.
Disclosure of Invention
In order to solve the problems of singleness of offshore wind power generation and insufficient resource development and utilization in the prior art and improve the overall benefit of offshore power generation, the invention provides an offshore floating photovoltaic system and a construction method thereof.
The technical scheme provided by the invention is as follows: an offshore floating-on-sea photovoltaic system, comprising:
the floating pipe support system comprises a floating pipe support and a plurality of floating boxes, the floating boxes are arranged in the floating pipe support in an array mode, and a group of fixed pulleys and a group of mooring dolphins are fixed at two ends of the floating pipe support respectively;
the anchoring and mooring system comprises an anchoring pile, a rope and a weight block, wherein the weight block is fixed at one end of the rope, and the other end of the rope is fixed on the anchoring pile by bypassing the fixed pulley.
The floating type mooring system comprises a mooring pile and a floating type mooring pier, wherein a through long notch is formed in one side, facing the floating pipe support, of the mooring pile from top to bottom, the floating type mooring pier is nested in the mooring pile, and the floating type mooring pier is connected with the mooring pier through a rope;
the photovoltaic system is fixed on the buoyancy tank and comprises a plurality of groups of folding photovoltaic plates, and the folding photovoltaic plates can automatically adjust the inclination angle to face sunlight.
Further, it includes rectangle floating frame and steel pipe net to float the pipe holder, rectangle floating frame is pieced together by 4 steel pipe seal weld, rectangle floating frame inboard seal weld has steel pipe net, the steel pipe net with rectangle floating frame bottom surface parallel and level, the flotation tank is even arranged and is fixed and is corresponded on the steel pipe net, it has anticorrosive paint all to scribble to float the pipe holder exposure part, installation anticorrosive anode block on the rectangle floating frame, fixed pulley and mooring rope mound are fixed respectively the upper portion both ends that rectangle floating frame.
Furthermore, the diameter of the steel pipe of the rectangular floating frame is more than twice of that of the steel pipe grid.
Further, the inside and the bilateral symmetry that the notch is adjacent of dolphin is provided with along the notch spout of upper and lower direction, floating dolphin includes flotation pontoon and dolphin, dolphin fixes flotation pontoon upper end middle part, the upper end of dolphin is fixed with the supporting disk, a pair of action wheel is installed to the flotation pontoon both sides, a pair of auxiliary wheel is installed to the supporting disk both sides, action wheel and auxiliary wheel are in reciprocate in the notch spout.
Further, the auxiliary wheel is sleeved on the roller support, damping rods are connected to the end portions of the two sides of the supporting plate, the damping rods are connected with the roller support, and a balance spring is sleeved outside the telescopic rod.
Furthermore, the photovoltaic system also comprises a photovoltaic support and a control device, the photovoltaic support is fixed on the buoyancy tank through 4 electric telescopic rods, the folding photovoltaic panel is formed by fixing a first photovoltaic panel and a second photovoltaic panel through hinges, the first photovoltaic panel is fixed on the photovoltaic support, two ends of a hinge shaft of the hinge fixedly connected with the second photovoltaic panel are provided with first gears, the two ends of the hinge shaft are correspondingly provided with driving motors on the photovoltaic support, a motor shaft of the driving motor is provided with a second gear, the first gear is meshed with the second gear, the control device is fixed on the photovoltaic support, the control device comprises a wind speed sensor, an optical sensor and a control unit, the control unit automatically controls the driving motor to drive the second photovoltaic panel to turn over and open based on the detection information of the wind speed sensor, the control unit automatically controls the electric telescopic rod to adjust the inclination angle of the photovoltaic support based on the detection information of the optical sensor.
Furthermore, the back of the first photovoltaic panel and the back of the second photovoltaic panel are fixedly connected with stainless steel cover plates, and reinforcing ribs are welded on the back of the stainless steel cover plates.
Further, the offshore floating photovoltaic system further comprises a suspension bridge system for personnel passage, the suspension bridge system comprising: triangle-shaped cantilever beam, pedestrian's draw bridge, traction hoist engine, leading wheel and haulage rope, triangle-shaped cantilever beam sets up tip under the basic outer platform of offshore wind turbine, triangle-shaped cantilever beam forward edge is equipped with hinge means, the rear end of pedestrian's draw bridge links to each other with hinge means, the traction hoist engine is installed the root of triangle-shaped cantilever beam, the leading wheel is fixed in the fan tower section of thick bamboo outside of the basic outer platform top of offshore wind turbine, the haulage rope of traction hoist engine is walked around the leading wheel with the front end of pedestrian's draw bridge is fixed, the front end of pedestrian's draw the rotation back with the contact of superficial tub of support system upper end.
Further, offshore floating type photovoltaic system still includes the conveyor cable system, the conveyor cable system includes that the arc cable moves back and twists round frame, scalable guide cable cage, fixed guide cable cage, the arc cable moves back and twists round the frame to be fixed on the dolphin, scalable guide cable cage has been hung to the lower extreme that the arc cable moved back and twists round the frame, scalable guide cable cage lower extreme is connected with circular dish cable well, the arc cable moves back and twists round the upper end of frame and installs fixed guide cable cage, the other end of fixed guide cable cage is fixed on offshore fan basis outer platform, the electric power that photovoltaic system produced passes through the cable via on the circular dish cable system transmit fan tower section of thick bamboo in the convergence send into the electric wire netting.
The invention also provides a construction method of the offshore floating photovoltaic system, which comprises the following steps:
1. determining a proper offshore wind turbine position, sweeping the sea on the south side of the selected wind turbine foundation, and cleaning the seabed of the selected sea area;
2. rolling in wharf land: 2 dolphins with through-long notches and notch chutes, 2 anchoring piles for mooring, 4 round steel pipes, a pedestrian suspension bridge made of a steel structure, and 2 weight blocks, wherein the pedestrian suspension bridge comprises a triangular cantilever beam for supporting the lower part and a hinge device;
3. splicing 4 round steel pipes into a rectangular floating pipe bracket according to the design size, carrying out sand blasting and rust removal, installing 2 fixed pulleys on the outer side, installing 2 mooring dollies and 1 round coiled cable well on the inner side, coating anticorrosive paint, and installing an anticorrosive anode block;
4. hoisting or dragging the floating pipe support to launch, temporarily fixing the floating pipe support in a wharf harbor basin, installing a floating box, a photovoltaic support and a folding photovoltaic panel on the inner side of the floating pipe support, wherein the floating boxes are arranged in a display way, and the periphery of the floating boxes is fixed on a fastening device on the inner side of the floating pipe support;
5. loading and hauling the dolphin, the anchoring pile, the pedestrian suspension bridge and the weight block to a machine position, using a pile driver to finish pile sinking of the dolphin and the anchoring pile, enabling the top of the anchoring pile to be lower than the sea level and the top of the dolphin to be higher than the sea level, embedding cylindrical buoys with rollers on two sides into the notch sliding grooves from the top of the dolphin, and sliding the buoys down to float;
6. carrying out wet towing or dry towing, namely transporting the floating pipe support with the photovoltaic system to a machine position, aligning 2 mooring dolphins of the floating pipe support with 2 mooring dolphins respectively, sleeving a plurality of ropes on the mooring dolphins of the floating pipe support and mooring bollards at the top of a buoy, arranging springs on the outer side of the buoy for pressing, and then fastening the ropes;
7. the diver submerges into the sea, one end of a rope for mooring is tied to the anchoring pile, the rope penetrates through the outer side of the floating pipe bracket and extends out of the fixed pulley, the other end of the rope is tied to a weight block, the weight block is put into water, and the rope is well tensioned;
8. installing an arc-shaped cable back-twisting frame on a dolphin, installing a fixed type guide cable cage at the upper end of the arc-shaped cable back-twisting frame, fixing the other end of the fixed type guide cable cage on an offshore wind turbine foundation outer platform, and hanging a telescopic guide cable cage at the lower end of the arc-shaped cable back-twisting frame;
9. the method comprises the following steps that a guide wheel is installed on the outer side of a fan tower cylinder above an offshore fan foundation outer platform, a triangular cantilever beam is installed at the lower end of the offshore fan foundation outer platform, a hinge device is installed at the front edge of the triangular cantilever beam, a traction winch is installed at the root of the triangular cantilever beam, the upper portion of a pedestrian suspension bridge is installed on a hinge, the lower end of the pedestrian suspension bridge is tied with a traction rope, the traction rope bypasses the guide wheel and is tied on the traction winch, and the traction winch is adjusted and controlled to complete retraction of the pedestrian suspension bridge;
10. installing an inverter at the bottom of the fan tower cylinder, connecting a photovoltaic panel output cable into a combiner box, laying a combiner box output cable, entering the fan tower cylinder from a round disc cable well edge telescopic guide cable cage, an arc-shaped cable back-twist frame and a fixed guide cable cage, connecting the inverter in the fan tower cylinder, and connecting the inverter with a frequency converter at the bottom of the fan tower cylinder;
11. open foldable photovoltaic board and fix, debug, incorporate into the electric wire netting.
Compared with the prior art, the invention has the beneficial effects that:
the floating photovoltaic is installed by combining offshore wind power, and the floating photovoltaic is sent out through the power transmission equipment of the wind turbine generator set, so that the efficient combination of wind power generation and photovoltaic power generation is realized, offshore wind power resources and solar energy resources are greatly utilized, the power generation efficiency is improved, and considerable economic benefits are obtained;
the offshore wind power point sign is comprehensively utilized, the sea area around the machine position is improved, the sea utilization benefit is improved, and the intensive and economical utilization of sea area resources is realized; meanwhile, the number of the offshore wind turbines developed in China is large, and even if some wind turbines are installed, the social benefits are good;
the fastening state can be adjusted at any time through rope mooring, and under the severe weather state of hurricane on sea, the whole floating photovoltaic system can be conveniently detached and dragged to a wharf or a nearby wind-sheltering platform in advance by using a tugboat, so that photovoltaic equipment is protected; the self-adaptive adjustment can be realized through the multidirectional adjustable folding photovoltaic panel so as to receive solar illumination to the maximum extent;
the construction method can realize the sectional installation of the whole equipment of the floating photovoltaic system, simultaneously can put the photovoltaic system into power generation for use at the highest efficiency based on the installation steps of different stages, simultaneously also considers the convenience for disassembly, maintenance, replacement and the like when the follow-up photovoltaic system equipment breaks down, and can integrally drag and move the floating pipe bracket as a carrier to protect the photovoltaic system.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a view of the invention from the direction A in FIG. 1;
FIG. 3 is a cross-sectional view B-B of the present invention in FIG. 2;
FIG. 4 is a schematic structural view of a photovoltaic system of the present invention;
FIG. 5 is a schematic structural view of the drawbridge system of the present invention;
FIG. 6 is a schematic structural view of the present invention transport cable system;
the reference numbers are as follows:
1. a floating pipe support; 2. a buoyancy tank; 3. a fixed pulley; 4. mooring line piers; 5. anchoring piles; 6. a rope; 7. a weight block; 8. mooring a ship pile; 9. floating dolphins; 10. a first photovoltaic panel; 11. a second photovoltaic panel; 12. a photovoltaic support; 13. a hinge; 14. an electric telescopic rod; 15. a notch; 16. a notch chute; 17. a float bowl; 18. mooring a bollard; 19. a support disc; 20. a driving wheel; 21. an auxiliary wheel; 22. a roller support; 23. a damping lever; 24. a balance spring; 25. a first gear; 26. a second gear; 27. a drive motor; 28. a triangular cantilever beam; 29. a pedestrian suspension bridge; 30. a traction winch; 31. a guide wheel; 32. a hauling rope; 33. an offshore wind turbine foundation external platform; 34. a hinge device; 35. a fan tower; 36. an arc-shaped cable back-twisting frame; 37. a retractable fairlead cage; 38. a fixed fairlead cage; 39. a circular coiled cable well; 40. a small sleeve; 41. a large sleeve.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-6, an offshore floating photovoltaic system, comprising:
the floating pipe support system comprises a floating pipe support 1 and a plurality of floating boxes 2, the floating boxes 2 are arranged in the floating pipe support 1 in an array mode, and a group of fixed pulleys 3 and a group of mooring dolphins 4 are fixed at two ends of the floating pipe support 1 respectively;
the anchoring and mooring system comprises an anchoring pile 5, a rope 6 and a weight 7, wherein the weight 7 is fixed at one end of the rope 6, the other end of the rope 6 is fixed on the anchoring pile 5 by passing through the fixed pulley 3,
the floating mooring system comprises a mooring pile 8 and a floating mooring pier 9, wherein a through long notch 15 is formed in one side, facing the floating pipe support 1, of the mooring pile 8 from top to bottom, the floating mooring pier 9 is nested inside the mooring pile 8, and the floating mooring pier 9 is connected with the mooring pier 4 through a rope 6;
the photovoltaic system is fixed on the buoyancy tank 2 and comprises a plurality of groups of folding photovoltaic panels, and the inclination angles of the folding photovoltaic panels can be automatically adjusted to meet the sunlight.
The weight 7 in this and the following embodiments may be a reinforced concrete block, the buoyancy tank 2 may be a HDPE high density polyethylene standard buoyancy tank, and the rope 6 may be a corrosion-resistant high strength fiber rope.
The photovoltaic system floats above the sea level all the time through the floating pipe support 1, the floating pipe support 1 is suspended and fixed on the sea level through the floating type ship mooring system to prevent the floating pipe support 1 from drifting away from a fixed sea area, the other end of the floating pipe support 1 is further fixed on the sea level in a lifting and adjusting manner through the anchoring mooring system, and the photovoltaic system on the floating pipe support 1 is prevented from being overturned by sea waves.
In some embodiments, the floating pipe support 1 comprises a rectangular floating frame and a steel pipe grid, the rectangular floating frame is formed by sealing and welding 4 steel pipes, the steel pipe grid is welded on the inner side of the rectangular floating frame in a sealing manner, the steel pipe grid is flush with the lower bottom surface of the rectangular floating frame, the floating boxes 2 are uniformly arranged and fixed on the corresponding steel pipe grid, the exposed part of the floating pipe support 1 is coated with anticorrosive paint, an anticorrosive anode block is installed on the rectangular floating frame, and the fixed pulley 3 and the mooring piers 4 are fixed at two ends of the upper part of the rectangular floating frame respectively.
Through adopting steel pipe grid structure, when guaranteeing to float pipe support 1's intensity, can realize again floating the hollow structure in the biggest space of pipe support system, promoted floating pipe support 1's buoyancy greatly. By coating the anticorrosive paint and installing the anticorrosive anode block, the anticorrosive capacity of the floating pipe bracket 1 is improved, and the service life of the floating pipe bracket is further prolonged.
Preferably, the diameter of the steel pipe of the rectangular floating frame is more than twice of the diameter of the steel pipe grid.
Through the different setting of steel pipe diameter, guarantee that its photovoltaic system is located the steel pipe net and float the frame at the rectangle in, further protected photovoltaic system itself, prevent to receive the striking etc. and cause the damage.
In some embodiments, the two sides of the interior of the dolphin 8 adjacent to the notch 15 are symmetrically provided with a notch sliding groove 16 along the vertical direction, the floating dolphin 9 includes a pontoon 17 and a dolphin 18, the dolphin 18 is fixed in the middle of the upper end of the pontoon 17, the upper end of the dolphin 18 is fixed with a support plate 19, the pontoon 17 is provided with a pair of driving wheels 20 on two sides, the support plate 19 is provided with a pair of auxiliary wheels 21 on two sides, and the driving wheels 20 and the auxiliary wheels 21 move up and down in the notch sliding groove 16.
The arrangement of the through long notch 15 and the notch sliding groove 16 of the dolphin 8 can realize that the pontoon 17 can stably move up and down in the dolphin 8, and the pontoon 17 can quickly adjust the suspension height along with the rise and fall of the sea level water level by the matched sliding of the driving wheel 20 and the auxiliary wheel 21 in the notch sliding groove 16; the width of the opening of slot 15 is greater than the width of dolphin 18 to ensure that line 6 does not wear out in contact with dolphin 8 during floating.
Preferably, the auxiliary wheel 21 is sleeved on the roller support 22, the end parts of the two sides of the supporting disk 19 are connected with damping rods 23, the damping rods 23 are connected with the roller support 22, and the outside of the telescopic rod is sleeved with a balance spring 24.
The damping rod 23 and the balance spring 24 are matched to realize that the impact of seawater on the inside of the dolphin 8 is reduced when the pontoon 17 slides up and down, so that the suspension movement stability of the pontoon 17 is improved; in addition, when the mooring bollard 18 on the buoy 17 is tied with the mooring dolphin 4 through the rope 6, the balance spring 24 can improve a buffer supporting force to ensure fastening balance.
In some embodiments, the photovoltaic system further includes a photovoltaic support 12 and a control device, the photovoltaic support 12 is fixed on the buoyancy tank 2 by 4 electric telescopic rods, the foldable photovoltaic panel is composed of a first photovoltaic panel 10 and a second photovoltaic panel 11 fixed by a hinge 13, the first photovoltaic panel 10 is fixed on the photovoltaic support 12, two ends of a hinge shaft of the hinge 13 fixedly connected with the second photovoltaic panel 11 are provided with first gears 25, two ends of the hinge shaft are correspondingly provided with driving motors 27, a motor shaft of the driving motor 27 is provided with a second gear 26, the first gear 25 is engaged with the second gear 26, the control device is fixed on the photovoltaic support 12, the control device includes a wind speed sensor, a light sensor and a control unit, the control unit automatically controls the driving motor 27 to drive the second photovoltaic panel 11 to turn over and open based on the detection information of the wind speed sensor, the control unit automatically controls the electric telescopic rod to adjust the inclination angle of the photovoltaic bracket 12 based on the detection information of the optical sensor.
The multidirectional angle adjustment of the photovoltaic support 12 is realized through the electric telescopic rod so as to be self-adaptive to the sunlight illumination direction. When the wind speed sensor detects high-level wind power, namely before the coming of typhoon is predicted, the electric power collected by the photovoltaic system can be automatically controlled to be output to the driving motor 27 so as to control the second photovoltaic panel 11 to be turned over and closed, and damage caused by strong impact of wind waves on the photovoltaic panel under the typhoon condition is avoided.
Preferably, the back surfaces of the first photovoltaic panel 10 and the second photovoltaic panel 11 are fixedly connected with a stainless steel cover plate, and reinforcing ribs are welded on the back surface of the stainless steel cover plate.
The stainless steel cover plate adopts the design of hem all around, can be closed the holding in the apron effectively after folding the photovoltaic board, plays holistic guard action to the photovoltaic board, and the setting of strengthening rib can strengthen the ability that the stainless steel cover plate resisted the stormy waves simultaneously.
In some embodiments, the offshore floating-offshore photovoltaic system further comprises a drawbridge system for personnel passage, the drawbridge system comprising: the marine wind turbine generator system comprises a triangular cantilever beam 28, a pedestrian suspension bridge 29, a traction winch 30, a guide wheel 31 and a traction rope 32, wherein the triangular cantilever beam 28 is arranged at the lower end part of an offshore wind turbine foundation outer platform 33, a hinge device 34 is arranged at the front edge of the triangular cantilever beam 28, the rear end of the pedestrian suspension bridge 29 is connected with the hinge device 34, the traction winch 30 is arranged at the root part of the triangular cantilever beam 28, the guide wheel 31 is fixed on the outer side of a wind turbine tower 35 above the offshore wind turbine foundation outer platform 33, the traction rope 32 of the traction winch 30 bypasses the guide wheel 31 and is fixed with the front end of the pedestrian suspension bridge 29, and the front end of the pedestrian suspension bridge 29 is in contact with the upper end of the floating pipe support system after traction rotation.
Through setting up pedestrian's draw bridge 29 and can rotate receive and release under haulage rope 32 pulling, the height of pipe support 1 floats in the time of can adapting to different water level lines to make things convenient for system installation personnel to pass and carry out site operation to floating on the pipe support 1, also can in time provide maintenance and treatment when the follow-up photovoltaic system breaks down of being convenient for.
Further, offshore floating photovoltaic system still includes the conveyor cable system, the conveyor cable system includes that the arc cable moves back and twists round frame 36, scalable fairlead cage 37, fixed fairlead cage 38, the arc cable moves back and twists round frame 36 and fixes on dolphin 8, scalable fairlead cage 37 has been hung to the lower extreme that the arc cable moved back and twists round frame 36, scalable fairlead cage 37 lower extreme is connected with circular dish cable well 39, fixed fairlead cage 38 is installed to the upper end that the arc cable moved back and twists round frame 36, the other end of fixed fairlead cage 38 is fixed on offshore wind turbine basis outer platform 33, the electric power that the photovoltaic system produced passes through the cable on the circular cable well 39 via the conveyor cable system gathers in transmitting to wind turbine tower 35 and sends into the electric wire netting.
The upper part of the telescopic fairlead cage 37 is a corrugated pipe, the lower part is a large sleeve 41, the upper part of the circular coiled cable well 39 is a small sleeve 40, the diameter of the large sleeve 41 is 10cm larger than that of the small sleeve 40, the small sleeve 40 is inserted into the large sleeve 41, and the large sleeve 41 is placed on the circular coiled cable well 39.
The power on the photovoltaic panel passes through the combiner box, and the output cable is connected with the lower end of a cable coiled in a circular coiled cable well 39 arranged at the lower end of the cable guide cage; the wind power generation tower enters the wind power generation tower through the cable channel, the inverter is connected to the bottom of the wind power generation tower 35, the frequency converter is connected to the bottom of the wind power generation tower, and the frequency converter and the output power of the wind power generation set are transmitted to a power grid through a box transformer substation, a 35kV submarine cable and a booster station.
The height of the floating pipe support 1 in the process of self-adapting to different water level lines in cable conveying is realized by fixing and extending the guide cable cage of the cable conveying system, the arc-shaped cable back-twisting frame 36 is preferably of an 1/4 arc structure, cable conveying is facilitated, and the cable is guaranteed to be located above the water level lines.
The invention also provides a construction method of the offshore floating photovoltaic system, which comprises the following steps:
1. determining a proper offshore wind turbine position, sweeping the sea on the south side of the selected wind turbine foundation, and cleaning the seabed of the selected sea area;
2. rolling in wharf land: 2 dolphins 8 with through long notches 15 and notched chutes 16, 2 mooring anchor piles 5, 4 round steel pipes, a pedestrian suspension bridge 29 made of a steel structure, and 2 weight blocks 7, wherein the pedestrian suspension bridge 29 comprises a triangular cantilever beam 28 for lower part bearing and a hinge device 34;
3. splicing 4 round steel pipes into a rectangular floating pipe bracket 1 according to the design size, carrying out sand blasting to remove rust, installing 2 fixed pulleys 3 on the outer side, installing 2 mooring dollies 4 and 1 round coiled cable well 39 on the inner side, coating anticorrosive paint, and installing an anticorrosive anode block;
4. hoisting or dragging the floating pipe support 1 to launch, temporarily fixing the floating pipe support in a wharf harbor basin, installing a floating box 2, a photovoltaic support 12 and a folding photovoltaic panel on the inner side of the floating pipe support 1, wherein the floating boxes 2 are arranged in a display way, and the periphery of the floating box is fixed on a fastening device on the inner side of the floating pipe support 1;
5. shipping and hauling the dolphin 8, the anchor pile 5, the manway suspension bridge 29 and the weight 7 to a machine position, completing pile sinking of the dolphin 8 and the anchor pile 5 by using a pile driver so that the top of the anchor pile is lower than the sea level and higher than the sea level, embedding a cylindrical buoy 17 with rollers on two sides in the notch sliding groove 16 from the top of the dolphin 8, and sliding down the buoy 17 until the buoy 17 floats;
6. carrying out wet towing or dry towing, namely transporting the floating pipe support 1 with the photovoltaic system to a machine position, aligning 2 mooring dollies 4 of the floating pipe support 1 with 2 dolphins 8 respectively, sleeving a plurality of ropes 6 on the mooring dollies 4 of the floating pipe support 1 and a mooring dolphin 18 at the top of a buoy 17, arranging a spring 24 outside the buoy 17 for pressing, and then fastening the ropes 6;
7. a diver submerges into the sea, one end of a rope 6 for mooring is tied to an anchor pile 5, the rope penetrates through the outer side of a floating pipe bracket 1 and extends out of a fixed pulley 3, the other end of the rope 6 is tied to a weight block 7, the weight block 7 is put into the water, and the rope 6 is well tensioned;
8. an arc-shaped cable back-twisting frame 36 is installed on the dolphin 8, a fixed type fairlead cage 38 is installed at the upper end of the arc-shaped cable back-twisting frame 36, the other end of the fixed type fairlead cage 38 is fixed on an offshore wind turbine foundation outer platform 33, and a telescopic fairlead cage 37 is hung at the lower end of the arc-shaped cable back-twisting frame 36;
9. a guide wheel 31 is arranged on the outer side of a fan tower 35 above an offshore fan foundation outer platform 33, a triangular cantilever beam 28 is arranged at the lower end of the offshore fan foundation outer platform 33, a hinge device 34 is arranged at the front edge of the triangular cantilever beam 28, a traction winch 30 is arranged at the root of the triangular cantilever beam 28, the upper part of a pedestrian suspension bridge 29 is arranged on a hinge 13, the lower end of the pedestrian suspension bridge is tied with a traction rope 32, the traction rope 32 bypasses the guide wheel 31 and is tied on the traction winch 30, the traction winch 30 is adjusted and controlled, and the retraction of the pedestrian suspension bridge 29 is completed;
10. installing an inverter at the bottom of the fan tower 35, connecting the photovoltaic panel output cable into a combiner box, laying the combiner box output cable, entering the fan tower 35 through a round cable drum 39 along a telescopic cable guide cage 37, an arc cable back-twist frame 36 and a fixed cable guide cage 38, connecting the inverter inside the fan tower 35, and connecting the inverter with a frequency converter at the bottom of the fan tower 35;
11. open foldable photovoltaic board and fix, debug, incorporate into the electric wire netting.
In conclusion, the floating photovoltaic wind power generation system combines offshore wind power, installs floating photovoltaic, and sends out the photovoltaic power through the power transmission equipment of the wind power generation set, so that economic benefits are obtained; the offshore wind power point sign is comprehensively utilized, the sea area around the machine position is improved, the sea utilization benefit is improved, and the intensive and economical utilization of sea area resources is realized; meanwhile, the number of the offshore wind turbines developed in China is large, and even if some wind turbines are installed, the social benefits are good.
It is to be noted that, in the attached drawings or in the description, the implementation modes not shown or described are all the modes known by the ordinary skilled person in the field of technology, and are not described in detail. Furthermore, the above definitions of the various elements and methods are not limited to the specific structures, shapes, or configurations shown in the examples.
It is also noted that the illustrations herein may provide examples of parameters that include particular values, but that these parameters need not be exactly equal to the corresponding values, but may be approximated to the corresponding values within acceptable error tolerances or design constraints. Directional phrases used in the embodiments, such as those referring to "upper", "lower", "front", "rear", "left", "right", etc., refer only to the orientation of the attached drawings and are not intended to limit the scope of the present application.
While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. An offshore floating photovoltaic system, comprising:
the floating pipe support system comprises a floating pipe support and a plurality of floating boxes, the floating boxes are arranged in the floating pipe support in an array mode, and a group of fixed pulleys and a group of mooring dolphins are fixed at two ends of the floating pipe support respectively;
the anchoring and mooring system comprises an anchoring pile, a rope and a weight block, wherein the weight block is fixed at one end of the rope, and the other end of the rope is fixed on the anchoring pile by bypassing the fixed pulley.
The floating type mooring system comprises a mooring pile and a floating type mooring pier, wherein a through long notch is formed in one side, facing the floating pipe support, of the mooring pile from top to bottom, the floating type mooring pier is nested in the mooring pile, and the floating type mooring pier is connected with the mooring pier through a rope;
the photovoltaic system is fixed on the buoyancy tank and comprises a plurality of groups of folding photovoltaic plates, and the folding photovoltaic plates can automatically adjust the inclination angle to face sunlight.
2. The offshore floating photovoltaic system of claim 1, wherein the floating pipe support comprises a rectangular floating frame and a steel pipe grid, the rectangular floating frame is formed by sealing and welding 4 steel pipes, the steel pipe grid is sealed and welded on the inner side of the rectangular floating frame, the steel pipe grid is flush with the lower bottom surface of the rectangular floating frame, the floating boxes are uniformly arranged and fixed on the corresponding steel pipe grid, the exposed part of the floating pipe support is coated with anticorrosive paint, an anticorrosive anode block is mounted on the rectangular floating frame, and the fixed pulley and the mooring pier are respectively fixed at two ends of the upper part of the rectangular floating frame.
3. The offshore floating photovoltaic system of claim 2, wherein the rectangular floating frame has a steel tube diameter that is more than twice the steel tube diameter of the steel tube grid.
4. The offshore floating photovoltaic system of claim 3, wherein the mooring bollard is symmetrically provided with a notch sliding groove along the up-down direction at two sides adjacent to the notch at the inner part, the floating mooring bollard comprises a pontoon and a mooring bollard, the mooring bollard is fixed in the middle of the upper end of the pontoon, a support plate is fixed at the upper end of the mooring bollard, a pair of driving wheels is installed at two sides of the pontoon, a pair of auxiliary wheels is installed at two sides of the support plate, and the driving wheels and the auxiliary wheels move up and down in the notch sliding groove.
5. The offshore floating photovoltaic system of claim 4, wherein the auxiliary wheel is sleeved on the roller support, damping rods are connected to two ends of the support plate, the damping rods are connected to the roller support, and a balance spring is sleeved outside the telescopic rods.
6. The offshore floating photovoltaic system of claim 5, further comprising a photovoltaic support and a control device, wherein the photovoltaic support is fixed on the pontoon by 4 electric telescopic rods, the foldable photovoltaic panel is formed by a first photovoltaic panel and a second photovoltaic panel fixed by a hinge, the first photovoltaic panel is fixed on the photovoltaic support, a first gear is arranged at two ends of a hinge shaft of the hinge to which the second photovoltaic panel is fixedly connected, a driving motor is correspondingly arranged at two ends of the hinge shaft on the photovoltaic support, a second gear is arranged on a motor shaft of the driving motor, the first gear is meshed with the second gear, the control device is fixed on the photovoltaic support, the control device comprises a wind speed sensor, an optical sensor and a control unit, the control unit automatically controls the driving motor to drive the second photovoltaic panel to turn over and open based on the detection information of the wind speed sensor, the control unit automatically controls the electric telescopic rod to adjust the inclination angle of the photovoltaic support based on the detection information of the optical sensor.
7. The offshore, floating photovoltaic system of claim 6, wherein a stainless steel cover plate is fixedly attached to a back of each of the first and second photovoltaic panels, and wherein reinforcing ribs are welded to a back of the stainless steel cover plate.
8. The offshore floating-offshore photovoltaic system of claim 7, further comprising a drawbridge system for personnel access, the drawbridge system comprising: triangle-shaped cantilever beam, pedestrian's draw bridge, traction hoist engine, leading wheel and haulage rope, triangle-shaped cantilever beam sets up tip under the basic outer platform of offshore wind turbine, triangle-shaped cantilever beam forward edge is equipped with hinge means, the rear end of pedestrian's draw bridge links to each other with hinge means, the traction hoist engine is installed the root of triangle-shaped cantilever beam, the leading wheel is fixed in the fan tower section of thick bamboo outside of the basic outer platform top of offshore wind turbine, the haulage rope of traction hoist engine is walked around the leading wheel with the front end of pedestrian's draw bridge is fixed, the front end of pedestrian's draw the rotation back with the contact of superficial tub of support system upper end.
9. The offshore floating-over-sea photovoltaic system of claim 8, further comprising a transmission cable system, wherein the transmission cable system comprises an arc-shaped cable back-twist frame, a retractable cable guide cage and a fixed cable guide cage, the arc-shaped cable back-twist frame is fixed on the dolphin, the retractable cable guide cage is hung at the lower end of the arc-shaped cable back-twist frame, a circular cable drum is connected to the lower end of the retractable cable guide cage, the fixed cable guide cage is installed at the upper end of the arc-shaped cable back-twist frame, the other end of the fixed cable guide cage is fixed on an offshore wind turbine foundation outer platform, and power generated by the photovoltaic system is transmitted to a wind turbine tower through cables on the circular cable drum and is collected into a power grid through the transmission cable system.
10. A method of constructing an offshore floating photovoltaic system according to any of claims 1 to 9, comprising:
(1) determining a proper offshore wind turbine position, sweeping the sea on the south side of the selected wind turbine foundation, and cleaning the seabed of the selected sea area;
(2) rolling in wharf land: 2 dolphins with through-long notches and notch chutes, 2 anchoring piles for mooring, 4 round steel pipes, a pedestrian suspension bridge made of a steel structure, and 2 weight blocks, wherein the pedestrian suspension bridge comprises a triangular cantilever beam for supporting the lower part and a hinge device;
(3) splicing 4 round steel pipes into a rectangular floating pipe bracket according to the design size, carrying out sand blasting and rust removal, installing 2 fixed pulleys on the outer side, installing 2 mooring dollies and 1 round coiled cable well on the inner side, coating anticorrosive paint, and installing an anticorrosive anode block;
(4) hoisting or dragging the floating pipe support to launch, temporarily fixing the floating pipe support in a wharf harbor basin, installing a floating box, a photovoltaic support and a folding photovoltaic panel on the inner side of the floating pipe support, wherein the floating boxes are arranged in a display way, and the periphery of the floating boxes is fixed on a fastening device on the inner side of the floating pipe support;
(5) loading and hauling the dolphin, the anchoring pile, the pedestrian suspension bridge and the weight block to a machine position, using a pile driver to finish pile sinking of the dolphin and the anchoring pile, enabling the top of the anchoring pile to be lower than the sea level and the top of the dolphin to be higher than the sea level, embedding cylindrical buoys with rollers on two sides into the notch sliding grooves from the top of the dolphin, and sliding the buoys down to float;
(6) carrying out wet towing or dry towing, namely transporting the floating pipe support with the photovoltaic system to a machine position, aligning 2 mooring dolphins of the floating pipe support with 2 mooring dolphins respectively, sleeving a plurality of ropes on the mooring dolphins of the floating pipe support and mooring bollards at the top of a buoy, arranging springs on the outer side of the buoy for pressing, and then fastening the ropes;
(7) the diver submerges into the sea, one end of a rope for mooring is tied to the anchoring pile, the rope penetrates through the outer side of the floating pipe bracket and extends out of the fixed pulley, the other end of the rope is tied to a weight block, the weight block is put into water, and the rope is well tensioned;
(8) installing an arc-shaped cable back-twisting frame on a dolphin, installing a fixed type guide cable cage at the upper end of the arc-shaped cable back-twisting frame, fixing the other end of the fixed type guide cable cage on an offshore wind turbine foundation outer platform, and hanging a telescopic guide cable cage at the lower end of the arc-shaped cable back-twisting frame;
(9) the method comprises the following steps that a guide wheel is installed on the outer side of a fan tower cylinder above an offshore fan foundation outer platform, a triangular cantilever beam is installed at the lower end of the offshore fan foundation outer platform, a hinge device is installed at the front edge of the triangular cantilever beam, a traction winch is installed at the root of the triangular cantilever beam, the upper portion of a pedestrian suspension bridge is installed on a hinge, the lower end of the pedestrian suspension bridge is tied with a traction rope, the traction rope bypasses the guide wheel and is tied on the traction winch, and the traction winch is adjusted and controlled to complete retraction of the pedestrian suspension bridge;
(10) installing an inverter at the bottom of the fan tower cylinder, connecting a photovoltaic panel output cable into a combiner box, laying a combiner box output cable, entering the fan tower cylinder from a round disc cable well edge telescopic guide cable cage, an arc-shaped cable back-twist frame and a fixed guide cable cage, connecting the inverter in the fan tower cylinder, and connecting the inverter with a frequency converter at the bottom of the fan tower cylinder;
(11) open foldable photovoltaic board and fix, debug, incorporate into the electric wire netting.
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| CN202010529353.6A CN111740686A (en) | 2020-06-11 | 2020-06-11 | Offshore floating type photovoltaic system and construction method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114301378A (en) * | 2022-02-16 | 2022-04-08 | 广西腾智投资有限公司 | Positioning device on water |
| CN115848570A (en) * | 2022-07-28 | 2023-03-28 | 大连理工大学 | Offshore floating type photovoltaic system, photovoltaic floating device, floating transportation system and floating transportation method |
| CN116215752A (en) * | 2023-02-15 | 2023-06-06 | 江苏科技大学 | Mooring system for offshore wind and solar same-field floating power generation platform |
| CN117429556A (en) * | 2023-12-20 | 2024-01-23 | 青岛恒源新电力科技有限公司 | Floating type offshore photovoltaic power generation supporting mechanism |
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2020
- 2020-06-11 CN CN202010529353.6A patent/CN111740686A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114301378A (en) * | 2022-02-16 | 2022-04-08 | 广西腾智投资有限公司 | Positioning device on water |
| CN115848570A (en) * | 2022-07-28 | 2023-03-28 | 大连理工大学 | Offshore floating type photovoltaic system, photovoltaic floating device, floating transportation system and floating transportation method |
| CN115848570B (en) * | 2022-07-28 | 2023-06-13 | 大连理工大学 | Marine floating type photovoltaic system, photovoltaic floating device, floating system and floating method |
| CN116215752A (en) * | 2023-02-15 | 2023-06-06 | 江苏科技大学 | Mooring system for offshore wind and solar same-field floating power generation platform |
| CN116215752B (en) * | 2023-02-15 | 2023-09-22 | 江苏科技大学 | Mooring system for offshore wind and solar same-field floating power generation platform |
| CN117429556A (en) * | 2023-12-20 | 2024-01-23 | 青岛恒源新电力科技有限公司 | Floating type offshore photovoltaic power generation supporting mechanism |
| CN117429556B (en) * | 2023-12-20 | 2024-03-12 | 青岛恒源新电力科技有限公司 | Floating type offshore photovoltaic power generation supporting mechanism |
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