CN115924014A - Formula marine photovoltaic integration power generation system is floated in pressurized water cabin - Google Patents
Formula marine photovoltaic integration power generation system is floated in pressurized water cabin Download PDFInfo
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- CN115924014A CN115924014A CN202211588243.2A CN202211588243A CN115924014A CN 115924014 A CN115924014 A CN 115924014A CN 202211588243 A CN202211588243 A CN 202211588243A CN 115924014 A CN115924014 A CN 115924014A
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Abstract
The invention provides a water pressing cabin floating type offshore photovoltaic integrated power generation system. Which comprises the following steps: the system comprises a photovoltaic power generation system, an offshore through platform, an offshore cabin body, a sensor, a conduit system, a mooring system, a pendulum ball damper and a ballast water tank; the offshore power generation platform comprises an offshore cabin body, a photovoltaic power generation system, a ballast water tank, a swing ball damper, a conduit system, an upper cabin plate and a lower cabin plate, wherein the offshore cabin body is internally provided with the ballast water tank and the swing ball damper, the conduit system is arranged on the upper cabin plate and the lower cabin plate in the offshore cabin body, the mooring system consists of an anchor chain and a suction foundation, and the whole power generation platform is fixed through the mooring system. The damping dynamic characteristic of the damper and the effect of the ballast water tank on accurately adjusting the floating center of the platform according to different marine conditions are combined, so that the floating center of the power generation system is continuously and stably kept under the action of huge fluctuation of marine waves, and huge shaking of the power generation system is offset, so that the stability and the safety of photovoltaic power generation equipment are ensured, and the safe and stable operation of the photovoltaic equipment is ensured.
Description
Technical Field
The invention relates to the field of renewable energy technology and marine water power generation, in particular to a water pressing cabin floating type marine photovoltaic integrated power generation system.
Background
The current world faces the problems of energy shortage, environmental pollution and the like, and with the development of scientific technology, people develop various new energy power generation technologies in recent years. Energy used by the ocean energy power generation technology mainly comprises clean energy such as wind energy, tidal energy, solar energy, wave energy and the like; the ocean clean energy is fully developed, and the current situation of global energy shortage can be effectively relieved.
China has wide sea area and abundant energy sources at sea. At present, china has started to try to set up offshore photovoltaic power stations in open sea areas. Through marine photovoltaic power generation, can effectively provide the electric energy, compare in terrestrial photovoltaic and inland photovoltaic on water, be difficult to ensure that ocean photovoltaic equipment can normally stable operation under the complicated extreme weather load effect in ocean, the impact effect of marine huge wave makes the unable important reason of stable operation of marine photovoltaic equipment. Therefore, in order to effectively develop the offshore solar energy and simultaneously assist the efficient development and utilization of ocean energy, the water ballast tank floating type offshore photovoltaic integrated power generation system is provided, and the stability and the safety of the power generation platform under the extreme wind and wave load are ensured to the maximum extent by creatively combining the vibration reduction dynamic characteristic of the damper and the function of the water ballast tank for accurately adjusting the floating center of the platform according to different offshore conditions.
The invention content is as follows:
the invention provides a water pressing cabin floating type offshore photovoltaic integrated power generation system, which takes an offshore cabin body as an installation foundation, an offshore through platform and a photovoltaic power generation system are arranged above the offshore cabin body, a water pressing cabin and a swing ball damper are arranged inside the offshore cabin body, a conduit system is arranged on an upper cabin plate and a lower cabin plate inside the offshore cabin body, the accurate adjustment of a platform floating center and the vibration damping effect of the swing ball damper inside the cabin body on a power generation platform are realized through the combination of the water pressing cabin and the conduit system, the continuous and stable floating center of the power generation platform is continuously kept under the action of the huge fluctuation of offshore waves, the huge shaking of the platform is counteracted, the stability and the safety of photovoltaic power generation equipment are ensured, and the safe and stable operation of the photovoltaic equipment is ensured.
The invention adopts the following technical scheme:
a water-pressing cabin floating type offshore photovoltaic integrated power generation system comprises a photovoltaic power generation system, an offshore through platform, an offshore cabin body, a sensor, a conduit system, a mooring system, a swing ball damper and a water-pressing cabin; the offshore through platform and the photovoltaic power generation system are arranged above the offshore cabin body, the ballast water tank and the swing ball damper are arranged in the offshore cabin body, the conduit system is arranged on an upper cabin plate and a lower cabin plate in the offshore cabin body, the mooring system is composed of an anchor chain and a suction foundation, and the whole platform is fixed through the mooring system.
The photovoltaic power generation system is composed of a photovoltaic panel and an inverter, and is arranged on the upper portion of the offshore through platform and is horizontally placed and processed.
A plurality of channels which are vertically and horizontally communicated are arranged in the middle of the offshore through platform, and two circular holes are reserved in four directions of the platform and used for laying gas guide pipes.
The outer shell of the marine cabin body is made of steel materials and is subjected to paint spraying and corrosion preventing treatment, the cabin body comprises a damper arrangement cabin and a ballast water tank, the upper part of the outer shell of the marine cabin body is provided with a mooring position for connecting an anchor chain, and the bottom of the outer shell of the marine cabin body is provided with four round holes for laying a water inlet pipe and a water outlet pipe.
The sensor mainly comprises a wave sensor, an air pressure sensor and a hydraulic sensor. The wave sensor is mainly arranged at the junction of the sea cabin body and the sea surface, the air pressure sensor is mainly arranged on the top plate of the ballast water tank, and the hydraulic sensor is mainly arranged on the bottom plate of the ballast water tank.
The duct system mainly comprises a gas duct and a water inlet and outlet pipe. The gas conduit is laid from the top plate of the ballast water tank to the position above the offshore through platform, and the water inlet and drain pipes are laid from the bottom plate of the ballast water tank to the outside of the offshore tank body.
The mooring system comprises a mooring position, an anchor chain and a suction foundation. The mooring positions are arranged in four directions of the offshore cabin body, and the number of the mooring points is determined according to the size of the power generation platform and the hydrological condition of the designated sea area. The mooring system takes the form of a straight up and straight down. The suction bases are made of steel materials, each suction base is provided with an anchor chain, and the transmission wires of the photovoltaic power generation system realize long-distance power transmission through the anchor chains. The suction foundation is penetrated through the dead weight and the pressure, so that the suction foundation is penetrated to the designed depth of the seabed.
The pendulum ball damper mainly comprises a damping iron cable, a damping iron ball, a damping iron ring, a damping buffer hydraulic rod, a damping buffer magnetic ring, a damping fixed iron rod and a damper tray. The damping iron cable adopts a high-strength tensile iron cable, the damping iron ball is a high-density iron ball, and a damping iron ring is fixed on the outer side of the damping iron ball and used for connecting the damping iron cable and a damping buffer hydraulic rod. And a damping buffer magnet ring and a damping buffer hydraulic rod are arranged above the damper tray, and the damping buffer magnet ring is fixed through a damping fixing iron rod.
The ballast tank is the core compartment of the offshore tank body, and the sensors and the conduit system are arranged in the ballast tank. Except for the round holes required by the guide pipe system, the whole cabin needs to be sealed, and the material used in the cabin is high-strength iron plate and is subjected to paint spraying and corrosion prevention treatment.
The invention relates to a floating-type marine photovoltaic integrated power generation system of a water pressing cabin, which has the advantages that:
the invention can realize the high-efficiency solar power generation, and can utilize the shunting wave-absorbing effect of the offshore through platform and the accurate adjustment of the floating center balance of the platform and the damping effect of the damper to slow down the self vibration effect of the platform by the offshore cabin body, thereby improving the stability of the power generation platform to the maximum extent. Photovoltaic power generation system level is placed on marine platform that link up, and marine platform that links up has many passageways that link up with great ease, can effectively carry out reposition of redundant personnel wave absorption to near the wave of device and handle, and can realize that low-cost and batch settling are on the ocean. The guide pipe system, the damper and the ballast water tank are arranged inside the offshore cabin body, and the platform is stabilized to the greatest extent by combining the guide pipe system with the ballast water tank and accurately adjusting the floating center of the platform and the damping effect of the damper according to the offshore wind and wave environment. The mooring system adopts a steel suction foundation, so that the manufacturing cost of the device can be reduced on the basis of realizing the stability of the platform.
Drawings
The invention is further described in the following patent with reference to the drawings
FIG. 1 is a schematic view of the overall appearance structure arrangement of the present invention
FIG. 2 is a schematic view of the overall structure of the present invention
FIG. 3 is a front view of the overall appearance structure of the present invention
FIG. 4 is a diagram of the inventive through flotation platform node
FIG. 5 is a node diagram of the damper of the present invention
FIG. 6 is a diagram of a sensor node of the present invention
FIG. 7 is a diagram of a catheter node of the device of the present invention
FIG. 8 is a cross-sectional view of the internal structure of the present invention
Fig. 9 is a schematic view of a mooring system of the present invention.
In the figure: the system comprises a photovoltaic power generation system 1, a marine through platform 2, a marine cabin body 3, a sensor 4, a conduit system 5, a mooring system 6, a pendulum ball damper 7 and a ballast water tank 8, wherein the photovoltaic power generation system is a marine through platform; 2-1 is a longitudinal and transverse through channel, and 2-2 is a through floating platform shell; 4-1 is a wave sensor, 4-2 is an air pressure sensor, and 4-3 is a hydraulic pressure sensor; 5-1 is a gas conduit, and 5-2 is a water inlet and outlet pipe; 6-1 is a mooring position, 6-2 is an anchor chain, and 6-3 is a suction foundation; 7-1 is a damping iron cable, 7-2 is a damping iron ball, 7-3 is a damping iron ring, 7-4 is a damping buffer hydraulic rod, 7-5 is a damping buffer magnetic ring, 7-6 is a damping fixed iron rod, and 7-7 is a damper tray;
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in fig. 2 and 8, a pressurized water cabin floating type offshore photovoltaic integrated power generation system. Which comprises the following steps: the system comprises a photovoltaic power generation system, an offshore through platform, an offshore cabin body, a sensor, a conduit system, a mooring system, a damper and a ballast water tank; the offshore through platform and the photovoltaic power generation system are arranged above the offshore cabin body, the ballast water tank and the swing ball damper are arranged in the offshore cabin body, the conduit system is arranged on an upper cabin plate and a lower cabin plate in the offshore cabin body, the mooring system is composed of an anchor chain and a suction foundation, and the whole platform is fixed through the mooring system.
In this embodiment, the photovoltaic power generation system comprises photovoltaic board and dc-to-ac converter, and the photovoltaic power generation system sets up in the upper portion of flotation tank platform, carries out the level and places the processing to according to the size of marine platform that link up, the symmetrical distribution is in four directions of platform.
In this embodiment, the offshore through platform has a plurality of passages running through vertically and horizontally in the middle, and two circular holes are reserved in four directions of the platform for laying gas conduits. When the sea waves rush to the power generation platform, the waves nearby the device can be effectively shunted, broken and eliminated through the plurality of longitudinal and transverse channels of the sea through platform, and therefore the effect of the waves on the platform is reduced.
In this embodiment, the outer shell of the marine cabin body is made of steel material and is treated with paint for corrosion prevention, and the interior of the cabin body comprises a damper arrangement chamber and a ballast water tank. Except for the round hole for laying the guide pipe, mechanical sealing treatment is carried out at other positions, and silica gel sealing treatment is carried out between the round hole and the guide pipe, so that the accurate regulation and control of the ballast water tank on the floating center of the platform are ensured.
In the embodiment, the sensor mainly comprises a wave sensor, an air pressure sensor and a hydraulic pressure sensor. The wave sensor is mainly arranged at the junction of the offshore cabin body and the sea surface and used for monitoring the wave hydrology conditions around the power generation platform in real time. The pressure sensor is mainly arranged on a top plate of the ballast water tank and used for monitoring the gas pressure inside the ballast water tank, and the hydraulic sensor is mainly arranged on a bottom plate of the ballast water tank and used for monitoring the water level inside the tank body by monitoring the water bottom pressure.
In this embodiment, the duct system consists of a gas duct and a water inlet and outlet duct. The gas conduit determines the air exhaust and air suction of the gas conduit according to wave fluctuation signals transmitted by a wave sensor outside the sea cabin body and air pressure signals transmitted by an air pressure sensor of the ballast water tank. The water inlet and outlet pipe determines water inlet and water outlet of the water inlet and outlet pipe according to wave fluctuation signals transmitted by a wave sensor outside the sea cabin body and hydraulic signals transmitted by a hydraulic sensor of the ballast water tank.
In this embodiment, the mooring system includes: mooring position, anchor chain, suction foundation. The number of the mooring positions is determined according to the size of the platform, and each mooring position is provided with an anchor chain and a suction foundation. The suction foundation sinks to a preset position through self-weight sinking and penetration and suction sinking and penetration, so that the foundation is penetrated to the seabed.
In this embodiment, the damper includes: the damping iron cable, the damping iron ball, the damping iron ring, the damping buffering hydraulic rod, the damping buffering magnet ring, the damping fixed iron rod and the damper tray. The high-strength tensile damping iron cable is connected with the damping iron ball through the damping iron ring, and the vibration energy received by the platform is converted into the kinetic energy of the damping iron ball. The damping buffer pressure lever is connected with the damping iron ring, and the swinging degree of the damping iron ball is reduced by the thrust of the hydraulic lever. The damping magnet ring is fixed by a damping fixing iron plate, and the swing degree of the iron ball is slowed down by magnetic force.
In this embodiment, the ballast water tank is an internal tank with a high-strength steel plate as an offshore tank body, and the adjustment process of the floating center of the offshore tank body is completed in the ballast water tank through the cooperation of the air pressure sensor, the hydraulic pressure sensor and the conduit system.
In this embodiment, the specific process of the adjusting platform floating core of the ballast floating type offshore integrated photovoltaic power generation system is as follows: when the power generation platform encounters a huge wave rising condition, the sensor senses that the device is positioned at the wave crest of the huge wave, the sensor sends an electric signal to the interior of the cabin body, the conduit system starts to work, the gas conduit discharges gas in the cabin, the water inlet and discharge pipe starts to enter water, the floating center of the device starts to descend, the air pressure sensor and the hydraulic sensor simultaneously monitor the interior condition of the ballast water cabin, the floating center of the device is ensured to be always positioned at a designated design position below the sea surface, and the floating center of the device is reduced, so that the device is reduced in height rising along with the wave; when the power generation platform encounters a huge wave descending condition, the sensor senses that the device is positioned at the wave trough of huge waves, the sensor sends an electric signal to the interior of the cabin body, the conduit system starts to work, the gas conduit conveys gas to the cabin, the water inlet and outlet pipes start to drain water, the floating center of the device starts to rise, the air pressure sensor and the hydraulic sensor simultaneously monitor the interior condition of the ballast water tank, the floating center of the device is ensured to be always positioned at a designated design position below the sea surface, and the floating center of the device is improved, so that the height of the device descending along with the waves is reduced; the situation that the device fluctuates up and down due to huge waves on the sea is reduced to the maximum extent in the whole process, so that the floating center of the device is basically guaranteed to be stabilized within a controllable range before and after the device experiences huge waves.
In this embodiment, the process of slowing down the shaking of the platform by the pendulum ball damper of the ballast floating type offshore photovoltaic integrated power generation system specifically comprises the following steps: when the electricity generation platform itself that produces the platform rocks because huge stormy waves, damping ball in the internal damper of cabin is because the rocking of platform and self produces opposite swing, because the damping ball is the iron ball of high density, fine energy conversion who rocks the platform is self kinetic energy, the damping buffering hydraulic stem of attenuator cushions the swing of damping ball simultaneously, damping magnet ring restricts the swing degree of damping ball at every turn through magnetic force well, through the inside self equipment of pendulum ball attenuator, consume the wobbling energy of damping ball, realize the process that stably slows down the platform vibration at last.
In this embodiment, the installation process of the ballast floating type offshore integrated photovoltaic power generation system specifically includes: the photovoltaic panel, the offshore through platform, the sensor, the offshore cabin body, the pendulum ball damper, the guide pipe, the suction foundation and the like are conveyed to an assembly factory or an assembly wharf, and the power generation platform is installed: firstly, the photovoltaic panel is assembled and fixed above the offshore through platform. And sequentially installing the gas guide pipe, the damper, the water inlet and outlet pipe and the sensor in the offshore cabin body. After the equipment in the offshore cabin is installed, anchor chains are laid out from the mooring position of the offshore cabin and connected with an external suction foundation, and the installation work of the power generation platform is completed. The suction foundation of the offshore photovoltaic integrated structure is simultaneously sunk through the installation ship, and the verticality of the foundation in water in the sinking process is guaranteed. And after the foundation seabed is contacted, performing suction penetration until the foundation seabed penetrates to the designed depth, and after the suction foundation is subjected to sealing treatment, completing the integrated installation. And (4) performing trial operation on the power generation platform, and after the operation requirement is met, finishing the integrated installation process of the working ship when the working ship leaves the field. The whole construction process is short in time consumption, low in required construction cost, simple and fast.
The above-mentioned preferred embodiments, object, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned preferred embodiments are only illustrative of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. The invention provides a water pressing cabin floating type offshore photovoltaic integrated power generation system; which comprises the following steps: the system comprises a photovoltaic power generation system, a marine through platform, a marine cabin body, a sensor, a conduit system, a mooring system, a swing ball damper and a ballast water tank; the offshore power generation platform comprises an offshore cabin body, a photovoltaic power generation system, a ballast water tank, a swing ball damper, a conduit system, an upper cabin plate and a lower cabin plate, wherein the offshore cabin body is internally provided with the ballast water tank and the swing ball damper, the conduit system is arranged on the upper cabin plate and the lower cabin plate in the offshore cabin body, the mooring system consists of an anchor chain and a suction foundation, and the whole power generation platform is fixed through the mooring system.
2. The floating-type offshore photovoltaic integrated power generation system of the water pressing cabin according to claim 1, which comprises photovoltaic panels and inverters, wherein the photovoltaic power generation system is arranged at the upper part of the floating box platform and is horizontally arranged and symmetrically distributed in four directions of the platform according to the size of the offshore through platform, and a passageway is reserved in the middle above the offshore platform and is used for maintenance personnel to pass through during maintenance.
3. The floating-type offshore photovoltaic integrated power generation system of claim 1, wherein a plurality of channels are arranged in the middle of the offshore through platform, two circular holes are reserved in four directions of the platform and used for laying the gas guide pipes, and the circular holes and the gas guide pipes need to be sealed by silica gel.
4. The floating-type offshore photovoltaic integrated power generation system of the water compression tank as claimed in claim 1, wherein the outer shell of the offshore tank body is made of steel material and is subjected to paint spraying and corrosion prevention treatment, the inner compartments of the tank body are mainly a pendulum ball damper arrangement compartment and a water ballast compartment, a mooring position is reserved at the upper part of the outer shell of the offshore tank body and is used for connecting an anchor chain, four round holes are reserved at the bottom and are used for laying a water inlet and outlet pipe, and the round holes and the water inlet and outlet pipe are sealed by silica gel.
5. The system according to claim 1, wherein the sensor mainly comprises a wave sensor, a gas pressure sensor and a hydraulic sensor; the wave sensor is mainly arranged at the junction of the sea cabin body and the sea surface, the air pressure sensor is mainly arranged on the top plate of the ballast water tank, the hydraulic sensor is mainly arranged on the bottom plate of the ballast water tank, and each sensor is connected with the processor inside the cabin body through a transmission wire.
6. The system according to claim 1, wherein the conduit system consists essentially of a gas conduit and a water inlet and outlet pipe; the gas guide pipe is laid from the top of the ballast water tank to the upper part of the offshore through platform, the water inlet and drain pipes are laid from the bottom of the ballast water tank to the outside of the offshore tank body, the gas guide pipe is preferably made of glass fiber reinforced plastic, the water inlet and drain pipes are made of steel pipes, and the steel pipes are subjected to anti-corrosion treatment.
7. The system of claim 1, wherein the mooring system comprises a mooring location, a chain, a suction foundation; the mooring positions are arranged in four directions of the offshore cabin body and are symmetrically arranged one by one; the mooring system adopts a straight-up-down mode, the suction bases are made of steel materials, each suction base is provided with an anchor chain, the power generation platform transmission wires realize long-distance power transmission through the anchor chains, and the suction bases are penetrated to the seabed by the dead weight penetration and the pressure penetration, so that the suction bases are penetrated to the designed depth of the seabed.
8. The pressurized water tank floating type offshore photovoltaic integrated power generation system as claimed in claim 1, wherein the pendulum ball damper mainly comprises a damping iron cable, a damping iron ball, a damping iron ring, a damping buffer hydraulic rod, a damping buffer magnet ring, a damping fixed iron rod and a damper tray; the damping iron cable adopts a high-strength tensile iron cable, the damping iron cables and damping buffer solution pressure rods with corresponding numbers are arranged in four directions of the damping iron ball according to the size of the damping iron ball, and the area value of the selected damping magnet ring is half of the cross section area of the damping iron ball according to the maximum cross section area of the damping iron ball.
9. The system according to claim 1, wherein the ballast tank is internally provided with a mechanical sealing treatment for the whole tank except for a round hole required by the conduit system;
after the conduit system passes through the circular hole, the periphery of the circular hole needs to be sealed by silica gel.
10. The system of claim 1, further characterized by: the floating center of the power generation platform is adjusted, the shaking of the power generation platform is slowed down, and the stability and the safety of the power generation platform are improved.
11. The system according to claim 1, wherein the characteristics of improving the stability and safety of the power generation platform include that when the power generation platform encounters extreme waves, the offshore cabin body is used to adjust the floating center of the power generation platform and the vibration damping effect of the pendulum ball damper, so that the possibility of overturning of the power generation platform due to vertical jolt caused by large wave fluctuation is greatly reduced, and the power generation platform is kept stable in the whole process without excessive sway.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116428119A (en) * | 2023-05-22 | 2023-07-14 | 广西蓝水海洋工程有限公司 | Floating type ocean wind power generation foundation |
| CN117465621A (en) * | 2023-11-01 | 2024-01-30 | 天津大学 | Floating platform structure suitable for offshore floating type photovoltaic system |
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