CN109911133B - Floating film-containing photovoltaic power station - Google Patents
Floating film-containing photovoltaic power station Download PDFInfo
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- CN109911133B CN109911133B CN201910161260.XA CN201910161260A CN109911133B CN 109911133 B CN109911133 B CN 109911133B CN 201910161260 A CN201910161260 A CN 201910161260A CN 109911133 B CN109911133 B CN 109911133B
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Abstract
The invention discloses a floating and storable thin film photovoltaic power station on water, which comprises a plurality of floating blanket type thin film photovoltaic power generation modules, wherein each power generation module comprises a plurality of floating blanket type thin film photovoltaic power generation assemblies, each power generation assembly comprises a thin film photovoltaic power generation assembly body and a foaming floating blanket, a sunken area with high periphery and low middle part is formed on the upper surface of each foaming floating blanket, and the thin film photovoltaic power generation assembly bodies are fixed in the sunken areas. The power station further comprises a storage device, wherein the storage device is mounted at the stern and connected with the whole structure and used for dragging and storing the floating blanket type thin film photovoltaic power generation assemblies. Can accomodate on the ship with floating blanket formula film photovoltaic power generation subassembly when needs through storage device to avoid suffering the impact damage because can't accomodate when meetting bad meteorological condition, or can't pass through because can't accomodate when passing through the channel restricted area. Meanwhile, the power station can be stored, so that the problem that the power station cannot pass through a navigation channel limited area due to overlarge power station is avoided, and the power station can be expanded in a large area.
Description
Technical Field
The invention relates to a photovoltaic power generation technology, in particular to a floating film-storable photovoltaic power station on water.
Background
In the field of photovoltaic power generation, crystalline silicon components are widely applied, whether in land power stations or floating power stations on water. The floating photovoltaic power station on water utilizes the abutment on water to float the photovoltaic module on the water surface for power generation. The method is characterized in that land resources are not occupied, the water body has a cooling effect on the photovoltaic module, and the temperature rise of the surface of the module can be inhibited, so that higher generating capacity is obtained. The power transmission system mainly utilizes pond sugar, lake reservoirs, water pools of sewage treatment plants, offshore sea surfaces and the like, and transmits power to land through an underwater cable, and establishes contact with power system equipment for converting direct current on land into alternating current, boosting, controlling and protecting, grid connection and the like, so the power transmission system is a fixed power station essentially.
70% of the surface area on the earth is ocean, a large number of ships sail on the ocean, floating photovoltaic power generation on the ocean can be carried out along with the ships, the power station becomes a mobile power station, power can be provided for the ships, redundant power can also be used for charging storage batteries on the ships, and the storage batteries can be transferred to land to become energy of electric vehicles after the ships lean against the shore.
In the area with limited channel (such as ports, docks, major channels with busy sea traffic, etc.), the photovoltaic power station floating on the sea along with the ship should be stored. In addition, the floating photovoltaic power generation device should be stored even under severe meteorological conditions due to large ocean wave fluctuation. However, the conventional floating photovoltaic power generation device cannot be stored, and is difficult to pass through a limited area with a navigation channel, so that the floating photovoltaic power generation device is difficult to be upsized. In addition, when the weather conditions are severe and the wind and waves are large, the existing floating type photovoltaic power generation device cannot be stored and is easy to be damaged by impact.
Disclosure of Invention
The invention mainly aims to provide a film photovoltaic power station capable of floating on water and being stored, so as to solve the problem that the existing floating type photovoltaic power generation device cannot be stored.
The invention is realized by the following technical scheme:
a floating and storable thin film photovoltaic power generation station on water comprises a plurality of floating blanket type thin film photovoltaic power generation modules, wherein each floating blanket type thin film photovoltaic power generation module comprises a plurality of floating blanket type thin film photovoltaic power generation assemblies, each floating blanket type thin film photovoltaic power generation assembly comprises a thin film photovoltaic power generation assembly body and a foaming floating blanket, a concave area with high periphery and low middle part is formed in the upper surface of each foaming floating blanket, and the thin film photovoltaic power generation assembly bodies are fixed in the concave areas;
the floating blanket type thin film photovoltaic power generation modules are mutually connected, and the floating blanket type thin film photovoltaic power generation assemblies are mutually and electrically connected through connecting cables and are connected to the tail pipe through connecting ropes to form an integral structure;
the overwater floating and storable thin film photovoltaic power generation station further comprises a storage device, wherein the storage device is installed at the stern and connected with the integral structure and used for dragging and storing the floating blanket type thin film photovoltaic power generation assemblies.
Furthermore, the containing device comprises a cantilever crane I-steel slide rail, an electric hoist, a grapple lifting appliance and a connecting pipe;
the floating blanket type thin film photovoltaic power generation modules are connected with each other through the connecting pipe, the cantilever crane I-shaped steel slide rail is arranged at the stern, the electric hoist is connected with the grapple lifting appliance through a steel wire cable, and the grapple lifting appliance is used for grabbing the connecting pipe;
the electric hoist can slide on the cantilever crane I-steel slide rail to drive the grapple hoist to lift or descend so as to lift or descend the connecting pipe, and therefore the floating blanket type thin film photovoltaic power generation assembly is lifted or descended.
The power station further comprises a suspension beam, wherein the suspension beam is arranged at the top of the stern, positioning angle steels are welded on the suspension beam at intervals of a set distance, the connecting pipe is placed on the suspension beam after being lifted by a grapple lifting appliance, and each lifted floating blanket type thin film photovoltaic power generation assembly is placed between two adjacent angle steels.
Further, the power station also comprises a camera, and the camera is installed on the shell of the electric hoist.
Further, the grapple hoist is 316L stainless steel.
Furthermore, the connecting pipe is a hollow ABS plastic pipe, and two ends of the connecting pipe are plugged by plastic plates.
Further, the tail pipe has a diameter larger than that of the connection pipe.
Further, the connection cable connects electrical equipment on the ship deck.
Further, the electrical equipment is an electrical junction box, an inverter, a step-up transformer, a control and protection cabinet or a storage battery pack.
Further, the containing device comprises a rotary disc, a sliding bearing, a metal ring, a spring brush, an electric roller and a bearing support;
the rotary table is arranged at the stern and supported and driven bidirectionally by the sliding bearing, the bearing support and the electric roller, the minimum radius of the inner cylinder of the rotary table is larger than the minimum bendable radius of the thin film photovoltaic power generation assembly body, the floating blanket type thin film photovoltaic power generation assembly is connected with the metal rings through cable outgoing lines, the metal rings are arranged on the end faces of the two sides of the rotary table and are in electric contact with the spring electric brushes, and the spring electric brushes are connected to the electric equipment on the ship deck through the connecting cables, so that the electric energy of the floating blanket type thin film photovoltaic power generation assembly is transmitted to the electric equipment.
Compared with the prior art, the overwater floating and storable thin film photovoltaic power generation station comprises a plurality of floating blanket type thin film photovoltaic power generation modules, each power generation module comprises a plurality of floating blanket type thin film photovoltaic power generation assemblies, each power generation assembly comprises a thin film photovoltaic power generation assembly body and a foaming floating blanket, a sunken area with high periphery and low middle part is formed in the upper surface of each foaming floating blanket, and the thin film photovoltaic power generation assembly bodies are fixed in the sunken areas. The power station further comprises a storage device, wherein the storage device is mounted at the stern and connected with the whole structure and used for dragging and storing the floating blanket type thin film photovoltaic power generation assemblies. Can accomodate on the ship with floating blanket formula film photovoltaic power generation subassembly when needs through storage device to avoid suffering the impact damage because can't accomodate when meetting bad meteorological condition, or can't pass through because can't accomodate when passing through the channel restricted area. Meanwhile, the power station can be stored, so that the problem that the power station cannot pass through a navigation channel limited area due to overlarge power station is avoided, and the power station can be expanded in a large area.
Drawings
FIG. 1 is a schematic cross-sectional view of a floating blanket type thin film photovoltaic module according to an embodiment of the present invention;
FIG. 2 is a schematic top view of a floating blanket type thin film photovoltaic module according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a floating on water stowable thin film photovoltaic power plant according to a first embodiment;
FIG. 4 is a schematic structural diagram of a grapple spreader in accordance with one embodiment;
fig. 5 is a schematic structural diagram of a floating on water storable thin film photovoltaic power plant according to the second embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the following embodiments and the accompanying drawings.
The embodiment of the invention provides a floating and storable thin film photovoltaic power generation station on water, which comprises a plurality of floating blanket type thin film photovoltaic power generation modules, wherein each floating blanket type thin film photovoltaic power generation module comprises a plurality of floating blanket type thin film photovoltaic power generation assemblies 6, each floating blanket type thin film photovoltaic power generation assembly 6 comprises a thin film photovoltaic power generation assembly body and a foaming floating blanket 26, a concave area with high periphery and low middle part is formed on the upper surface of each foaming floating blanket 26, and the thin film photovoltaic power generation assembly bodies are fixed in the concave areas.
The floating blanket type thin film photovoltaic power generation modules are connected with each other, and meanwhile, the floating blanket type thin film photovoltaic power generation assemblies 6 are electrically connected with each other through connecting cables 7 and are connected onto tail pipes 8 through connecting ropes 9 to form an integral structure.
The overwater floating and storable thin film photovoltaic power generation station further comprises a storage device, wherein the storage device is installed at the stern and connected with the overall structure, and is used for dragging and storing the floating blanket type thin film photovoltaic power generation assemblies 6.
Fig. 3 is a schematic structural diagram of a first embodiment of a film photovoltaic power station capable of being accommodated by floating on water, wherein in the first embodiment, the accommodating device comprises a cantilever-hung i-steel slide rail 2, an electric hoist 3, a grapple hanger 4 and a connecting pipe 5.
Each floats blanket formula film photovoltaic power generation module and passes through connecting pipe 5 interconnect, and cantilever crane I-steel slide rail 2 is installed at stern 1, and electric block 3 is connected with grapple hoist 4 through the steel wire hawser, and grapple hoist 4 is used for snatching connecting pipe 5.
The electric hoist 3 can slide on the cantilever crane I-steel slide rail 2 to drive the grapple lifting appliance 4 to lift or descend, so as to lift or descend the connecting pipe 5, and thus the floating blanket type thin film photovoltaic power generation assembly 6 is lifted or descended.
Fig. 4 is a schematic structural diagram of the grapple hoist 4, and the grapple hoist 4 includes a hanging ring 41, a connecting rod 42, a guide rod 43, a grapple 44, and a pin 45. The hanging ring 41 is used for passing through a steel wire cable, the connecting rods 42 are used for controlling the guide rods 43, when the steel wire cable is lifted, the included angle between the two connecting rods 42 is reduced under the action of lifting force, the pin shaft 45 below the guide rods 43 slides inwards, the grabbing hooks 44 are driven to grab the lifted object, and therefore the lifted object is lifted by the steel wire cable. When the hung object is placed at a designated position, the steel wire cable is loosened, the included angle between the two connecting rods 42 is enlarged under the action of gravity, the pin shaft 45 below the guide rod 43 slides outwards until the flange on the guide rod 43 stops, and the grabbing hook 44 is automatically opened to be separated from the hung object. The grapple hoist 4 is made of 316L stainless steel so as to resist corrosion. The camera 13 can be installed on the shell of the electric hoist 3, and the position of the electric hoist 3 and the grapple lifting appliance 4 can be adjusted by an operator with the help of the camera 13.
In the scheme, the hung object is a connecting pipe 5, the connecting pipe 5 is a hollow ABS plastic pipe, and two ends of the connecting pipe are plugged by plastic plates and can float in water. The floating blanket type film photovoltaic power generation assemblies 6 are connected with the connecting pipes 5 through the connecting ropes 9, so that a plurality of floating blanket type film photovoltaic power generation assemblies 6 with standard specifications are assembled to form a large assembly with actually required width, and the large assembly is guaranteed to have enough flexibility and can fluctuate along with sea waves.
The power station further comprises a suspension beam 11, the suspension beam 11 is installed on the top of the stern 1, positioning angle steels 12 are welded on the suspension beam 11 at intervals of a set distance, the connecting pipe 5 is placed on the suspension beam 11 after being lifted by the grapple lifting appliance 4, and each lifted floating blanket type thin film photovoltaic power generation assembly 6 is placed between two adjacent angle steels 12. In general, the floating blanket type thin film photovoltaic power generation module 6 is lifted and stored at night, when the wind and the waves are large, when the vehicle is sailing in a region with limited navigation channels, or the like. In daytime, the floating blanket type thin film photovoltaic power generation assembly 6 is lifted to the water surface by the electric hoist 3, and the number of the lifted thin film photovoltaic power generation assembly bodies can be selected according to the actual power consumption requirement.
The floating blanket type thin film photovoltaic power generation assembly 6 with the standard specification realizes electrical series-parallel connection through the connecting box and the connecting cable 7. The tail pipe 8 is also a hollow ABS plastic pipe, two ends of which are sealed by plastic plates and can float in water. A plurality of floating blanket type thin film photovoltaic power generation assemblies 6 are connected to a tail pipe 8 through connecting ropes 9 to form an integral plane structure, and meanwhile, the floating blanket type thin film photovoltaic power generation assemblies have enough flexibility. The tail pipe 8 does not need to be lifted up at the time of storage, and therefore the diameter of the tail pipe 8 can be larger than that of the connection pipe 5.
The connection cable 7 connects electrical equipment on the deck of the ship. The electrical equipment can be an electrical junction box, an inverter, a step-up transformer, a control and protection cabinet, a storage battery pack and the like according to requirements. These are conventional devices for photovoltaic power generation and are not described in detail.
Fig. 5 is a schematic structural view of a floating on water storable thin film photovoltaic power plant according to a second embodiment, which is different from the first embodiment only in the structure of the storage device. In the second embodiment, the storage device includes a turntable 14, a sliding bearing 15, a metal ring 16, a spring brush 17, a motor roller 18, and a bearing support 19;
the turntable 14 is arranged at the stern 1, and the turntable 14 can be modified from a cable reel. The turntable 14 is supported and driven bidirectionally by a slide bearing 15, a bearing support 19 and a motorized pulley 18. Motorized pulley 18 may be replaced with a suitable reducer and motor combination. The minimum radius of the inner cylinder of the turntable 14 is larger than the minimum bendable radius of the thin film photovoltaic power generation assembly body, and the minimum radius of the inner cylinder of the turntable 14 is preferably larger than 500mm according to the minimum bendable radius of the thin film photovoltaic power generation assembly body. The floating blanket type thin film photovoltaic power generation assembly 6 is connected with the metal rings 16 through cable leading-out wires 20, the metal rings 16 are arranged on the two side end faces of the rotary table 14 and are in electric contact with the spring electric brushes 17, and the spring electric brushes 17 are connected to electrical equipment on a ship deck through the connecting cables 7, so that electric energy of the floating blanket type thin film photovoltaic power generation assembly 6 is transmitted to the electrical equipment. The electrical equipment can be an electrical junction box, an inverter, a step-up transformer, a control and protection cabinet, a storage battery pack and the like according to requirements. These are conventional devices for photovoltaic power generation and are not described in detail.
The floating blanket type thin film photovoltaic power generation assembly 6 with the standard specification realizes electrical series-parallel connection through the connecting box and the connecting cable 7. The tail pipe 8 is also a hollow ABS plastic pipe, two ends of which are sealed by plastic plates and can float in water. A plurality of floating blanket type thin film photovoltaic power generation assemblies 6 are connected to a tail pipe 8 through connecting ropes 9 to form an integral plane structure, and meanwhile, the floating blanket type thin film photovoltaic power generation assemblies have enough flexibility.
The invention can improve the cruising ability of the electric ship, for example, the fishing boat can be operated in deep sea. If the invention is matched with a modular reverse osmosis seawater desalination device, the electric power generated by the water floating storable thin film photovoltaic power station can be used for producing fresh water, the problem of supply of domestic water for shipmen can be solved, and the fresh water can be sold on land if surplus exists.
Referring to fig. 1 and 2, a floating blanket type thin film photovoltaic power generation assembly 6 provided by an embodiment of the present invention includes a thin film photovoltaic power generation assembly body and a foamed floating blanket 26, wherein a recessed area with high periphery and low middle part is formed on an upper surface of the foamed floating blanket 26, the thin film photovoltaic power generation assembly body is fixed in the recessed area, and the thin film photovoltaic power generation assembly body is supported by buoyancy of the foamed floating blanket 26 in water. This float blanket formula film photovoltaic power generation subassembly 6 full play film photovoltaic power generation subassembly body quality is light, ultra-thin, flexible, conversion performance is good under the low light condition, advantage such as anti adverse circumstances ability reinforce, the overall structure quality is light, it is shallow to float in aquatic draft, the resistance reduces greatly when aquatic removes, it is capable with the ship to have realized showy photovoltaic power generation on water low resistance, reduced energy resource consumption, improved showy portable photovoltaic power generation's on water economic benefits.
The thin film photovoltaic power generation assembly body comprises a junction box 10, a front packaging plate 21, a packaging adhesive film 22, a thin film battery pack 23, an insulating layer 24 and a circuit layer 25 from top to bottom, wherein the circuit layer 25 comprises diode strings, connecting sheets and bus bars;
the junction box 10 is connected with the diode string and the connecting sheet through a bus bar and is used for transmitting electric energy;
the insulating layer 24 is used for isolating the thin film battery 23 from the circuit layer 25;
the junction box 10 and the front packaging plate 21 are sealed by a sealant, and the sealant can be butyl rubber or other waterproof and weather-proof sealants.
The front packaging plate 21 is made of an ethylene-tetrafluoroethylene copolymer film material, and other light-transmitting, weather-resistant, hydrophobic and ultraviolet aging-resistant materials can also be adopted. The light receiving surface of the thin-film battery pack 23 faces the front package plate 21.
The packaging film 22 may be a POE film or other films.
The thin film battery 23 is a copper indium gallium selenide thin film battery 23 or a gallium arsenide thin film battery 23, or other types of thin film batteries 23, and the light receiving surface of the thin film battery 23 should face the front packaging plate 21.
The foamed float blanket 26 may be an EVA material. The EVA material is internally provided with a closed foaming porous structure, and countless closed bubbles ensure that the EVA material is light in weight and floats in water with shallow draft, thereby effectively reducing the driving resistance along with the ship. Of course, other low density, light weight foam materials may be used for the foamed buoyant mat 26. The foamed floating blanket 26 also protects the thin film battery 23 assembly due to its good elasticity.
The bottom of the front end of the foaming floating blanket 26 can be provided with a chamfer, the front end of the foaming floating blanket 26 is the upstream surface, and the chamfer is arranged at the bottom of the foaming floating blanket to further reduce the resistance when the foaming floating blanket moves on water.
A plurality of cable holes 27 are formed around the foaming floating blanket 26, the cable holes 27 are convenient for the electric connection among the plurality of power generation assemblies 6, the electric series-parallel connection among the power generation assemblies 6 is realized, and a larger floating blanket type thin film photovoltaic power generation module is formed by connecting single power generation assemblies 6.
The cable hole 27 may be provided in a straight line for passing a flat cable or rope. The power generation components are fixedly connected through a rope and are electrically connected through cables, and the assembly is simple and convenient.
The above-described embodiments are merely preferred embodiments, which are not intended to limit the scope of the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. The floating and storable thin film photovoltaic power generation station on water is characterized by comprising a plurality of floating blanket type thin film photovoltaic power generation modules, wherein each floating blanket type thin film photovoltaic power generation module comprises a plurality of floating blanket type thin film photovoltaic power generation assemblies, each floating blanket type thin film photovoltaic power generation assembly comprises a thin film photovoltaic power generation assembly body and a foaming floating blanket, a sunken area with high periphery and low middle part is formed on the upper surface of each foaming floating blanket, and each thin film photovoltaic power generation assembly body is fixed in the sunken area;
the floating blanket type thin film photovoltaic power generation modules are mutually connected, and the floating blanket type thin film photovoltaic power generation assemblies are mutually and electrically connected through connecting cables and are connected to the tail pipe through connecting ropes to form an integral structure;
the overwater floating and storable thin film photovoltaic power generation station further comprises a storage device, wherein the storage device is arranged at the stern, is connected with the integral structure and is used for dragging and storing each floating blanket type thin film photovoltaic power generation assembly;
the storage device comprises a cantilever crane I-steel slide rail, an electric hoist, a grappling hanger and a connecting pipe;
the floating blanket type thin film photovoltaic power generation modules are connected with each other through the connecting pipe, the cantilever crane I-shaped steel slide rail is arranged at the stern, the electric hoist is connected with the grapple lifting appliance through a steel wire cable, and the grapple lifting appliance is used for grabbing the connecting pipe;
the electric hoist can slide on the cantilever crane I-shaped steel slide rail to drive the grapple lifting appliance to lift or lower, so as to lift or lower the connecting pipe, and thus the floating blanket type thin film photovoltaic power generation assembly is lifted or lowered;
alternatively, the first and second electrodes may be,
the accommodating device comprises a turntable, a sliding bearing, a metal ring, a spring electric brush, an electric roller and a bearing support;
the rotary table is arranged at the stern and supported and driven bidirectionally by the sliding bearing, the bearing support and the electric roller, the minimum radius of the inner cylinder of the rotary table is larger than the minimum bendable radius of the thin film photovoltaic power generation assembly body, the floating blanket type thin film photovoltaic power generation assembly is connected with the metal rings through cable outgoing lines, the metal rings are arranged on the end faces of the two sides of the rotary table and are in electric contact with the spring electric brushes, and the spring electric brushes are connected to the electric equipment on the ship deck through the connecting cables, so that the electric energy of the floating blanket type thin film photovoltaic power generation assembly is transmitted to the electric equipment.
2. The floating stowable thin film photovoltaic power plant on water of claim 1, further comprising a suspension beam mounted on the top of the stern, on which are welded positioning angles at set intervals, the connecting pipe being placed on the suspension beam after being lifted by a grapple hanger, each lifted blanket thin film photovoltaic power generation module being placed between two adjacent angles.
3. The floating on water stowable thin film photovoltaic power plant of claim 1, further comprising a camera mounted on the housing of the electric block.
4. The floating on water stowable thin film photovoltaic power plant of claim 1, wherein the grapple hanger is 316L stainless steel.
5. The floating on water stowable thin film photovoltaic power plant of claim 1, wherein the connecting tubes are hollow ABS plastic tubes capped at both ends with plastic plates.
6. The floating on water stowable thin film photovoltaic power plant of claim 1, wherein the tail pipe has a diameter greater than the diameter of the connecting pipe.
7. The floating on water stowable thin film photovoltaic power plant of claim 1, wherein the connecting cable connects to electrical equipment on the ship's deck.
8. The floating on water stowable thin film photovoltaic power plant of claim 7, wherein the electrical equipment is an electrical junction box, inverter, step-up transformer, control and protection cabinet or battery pack.
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| JPH1098973A (en) * | 1996-09-30 | 1998-04-21 | Teruo Kinoshita | Marine plankton culture unit |
| KR101045603B1 (en) * | 2009-03-18 | 2011-07-19 | (주)케이피피씨 | Integrated angle adjuster of solar power unit |
| CN104953934A (en) * | 2015-07-13 | 2015-09-30 | 山东鲍尔浦实业有限公司 | Overwater floating type photovoltaic power station and application thereof |
| CN204895794U (en) * | 2015-09-02 | 2015-12-23 | 长江勘测规划设计研究有限责任公司 | Nearly bank surface of water photovoltaic power plant buoyant foundation anchor |
| CN105645563B (en) * | 2016-01-13 | 2017-12-26 | 长江水利委员会长江科学院 | Suppress the polluted bed mud ecology covering blanket and application process of introduces a collection algae recovery growth |
| CN207417437U (en) * | 2017-09-30 | 2018-05-29 | 重庆魔豹新能源开发有限公司 | A kind of collecting apparatus for photovoltaic electrification component |
| CN207869029U (en) * | 2018-06-11 | 2018-09-14 | 北京铂阳顶荣光伏科技有限公司 | A kind of solar photovoltaic generation system |
| CN109263817B (en) * | 2018-09-27 | 2020-12-29 | 中国电建集团成都勘测设计研究院有限公司 | Floating photovoltaic power station system for large water level difference of hydropower engineering |
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