CN205584080U - Surface of water floats formula solar photovoltaic electricity generation subassembly, system - Google Patents

Surface of water floats formula solar photovoltaic electricity generation subassembly, system Download PDF

Info

Publication number
CN205584080U
CN205584080U CN201520983087.9U CN201520983087U CN205584080U CN 205584080 U CN205584080 U CN 205584080U CN 201520983087 U CN201520983087 U CN 201520983087U CN 205584080 U CN205584080 U CN 205584080U
Authority
CN
China
Prior art keywords
vertical supporting
supporting rod
electrification component
photovoltaic
corridor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201520983087.9U
Other languages
Chinese (zh)
Inventor
曹永明
高建岳
孙胜君
高超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HANGZHOU FOLLETT PLASTIC DEVELOPMENT Co Ltd
Original Assignee
HANGZHOU FOLLETT PLASTIC DEVELOPMENT Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HANGZHOU FOLLETT PLASTIC DEVELOPMENT Co Ltd filed Critical HANGZHOU FOLLETT PLASTIC DEVELOPMENT Co Ltd
Priority to CN201520983087.9U priority Critical patent/CN205584080U/en
Application granted granted Critical
Publication of CN205584080U publication Critical patent/CN205584080U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Abstract

The utility model relates to a photovoltaic power generation component especially relates to a surface of water floats formula solar photovoltaic electricity generation subassembly, system. Including two at least keg float, keg float between the both ends on upper portion be equipped with the support montant respectively, upper portion that two spinal branchs propped the montant is equipped with a photovoltaic support at least, the photovoltaic support include tall support rack and low support frame, tall support rack and low support frame be the interval form and distribute, tall support rack's the upper portion of upper portion and low support frame between be equipped with the solar energy electroplax that is slantly distributed. A surface of water floats formula solar photovoltaic electricity generation subassembly, system, compact structure, performance is outstanding, and the suitability is high, simultaneously long service life.

Description

A kind of water surface floating solar photovoltaic electrification component, system
Technical field
This utility model relates to a kind of photovoltaic electrification component, particularly relates to a kind of water surface floating photovoltaic Electrification component, system.
Background technology
The utilization rate of photovoltaic generation of the prior art is more and more universal, and the available land resource that need to take is more Aobvious in short supply, utilize roof and deserted mountain to have bigger limitation.
Chinese patent 201410081862.1, open a kind of photovoltaic power generation apparatus, a kind of water The intensive photovoltaic power generation apparatus of face floatation type, belongs to technical field of photovoltaic power generation.It includes that multiple photovoltaic is sent out Electric unit, photovoltaic generation unit includes supporting support and floating on water device, by embracing on floating on water device Hoop is fixing supports support, and support support is triangular frame structure, and the inclined-plane supporting support is photovoltaic group Part installed surface, photovoltaic module installed surface is fixed multiple photovoltaic module.This structural stability is poor, causes sending out Electricity DeGrain, uses suitability poor, keeps in repair inconvenience simultaneously.
Utility model content
This utility model mainly solves the deficiencies in the prior art, it is provided that a kind of compact conformation, utilizes The lake and reservoir of geo-stationary, sets up the photovoltaic generating system of floatation type on lake and reservoir, both made full use of The abundant illumination resource of the water surface does not the most affect a kind of water surface floating photovoltaic of its function breeded fish Electrification component, system.
Above-mentioned technical problem of the present utility model is mainly addressed by following technical proposals:
A kind of water surface floating solar photovoltaic electrification component, including at least two keg floats, between described keg float Top be respectively arranged at two ends with vertical supporting rod, the top of two vertical supporting rods at least provided with a photovoltaic bracket, Described photovoltaic bracket includes high carriage and low bracing frame, and described high carriage and low bracing frame are interval Shape is distributed, and is provided with the solar energy of inclined distribution between the top of described high carriage and the top of low bracing frame Electroplax.
As preferably, the two ends on described keg float top are provided with the adpting flange fixed with vertical supporting rod;
The cross section of described adpting flange is " U "-shaped, and the top of described adpting flange is provided with and supports The fixing hole that montant is matched;
Or, the cross section of described adpting flange is " T " shape, the top of described adpting flange be provided with The fixing hole I that vertical supporting rod is matched.
As preferably, be respectively arranged at two ends with and the vertical supporting rod of two vertical supporting rods presents lower square crossing distribution Support rail, the two side ends of described vertical supporting rod, the two side ends of support rail stretch out respectively, institute The keg float quantity stated is 3, and 3 keg floats are that uniform shape is distributed, and are provided with knighthead between two vertical supporting rods.
As preferably, described high carriage is distributed in squint shape respectively with low bracing frame, described high support Between frame with vertical supporting rod, positioned mutually by keeper respectively between low bracing frame and low bracing frame;
The top of described high carriage and low bracing frame is respectively equipped with solar energy electroplax support beam, described too Sun can be fastened by solar energy electroplax support beam by electroplax.
Water surface floating solar photovoltaic electrification component is assembled into photovoltaic generating system, including enclosing corridor, described Enclosing corridor to be made up of limit, 4 corridors, the bottom on described limit, corridor is provided with limit, equally distributed corridor keg float, and described encloses Being provided with equally distributed photovoltaic electrification component in corridor, equally distributed photovoltaic electrification component forms photovoltaic generation group Part square formation, the edge of described photovoltaic electrification component square formation and enclose between corridor, photovoltaic electrification component and photovoltaic generation Inter-module is fixed by active connection respectively, and the vertical supporting rod in adjacent photovoltaic electrification component erects with supporting Between bar, fixed by active connection between support rail and support rail, a pair active connection be hinge even Connect.
The interposition on described keg float top is provided with pore.
As preferably, the interposition on described keg float top is provided with pore.
The operational approach of a kind of water surface floating solar photovoltaic generation system, sequentially includes the following steps:
(1), early-stage preparations:
1., keg float is prepared with limit, corridor keg float:
Keg float is identical with the preparation method of limit, corridor keg float;
It is rolled into by iron plate, in order to ensure quality, uses the welding manner of submerged-arc welding to weld, then two The mode simultaneously using submerged-arc welding is welded and is sealed, and the inside is not inflated, and reduces at the openning of end socket, to facilitate life Install during product, comprcssive strength after completion, can be increased;
Keg float two ends are welded to connect flange behind mould location, to guarantee the accuracy of size, and Jing Jing during installation There is bar;On keg float, centre collinear with adpting flange has a pore, when producing, at height Under temperature, high-pressure situations, can prevent keg float from exploding as pore;After finished product, pore just becomes maintenance Hole, opens port lid and can periodically check whether to leak;When cylinder is changed in maintenance, after removable connector In cylinder, inject water, be easy to take out in time sinking, simultaneously can also by pore inward at set intervals Add antirust oil, in case here from internal rust in keg float;
After keg float molding, first carry out surface derusting cleaning, heat after then making silane treatment, carry out the most again Fluorine zinc spraying-and-heating semi-solid preparation, finally carries out surface oxygen-carbon plastic-blasting solidification cooling technique, to guarantee that product uses Life-span, environmental protection simultaneously, pollution-free;
Total (the Mf+Mz+Mt)+F of the calculating of floating drum gross buoyancy: Q;
Q is always the gross buoyancy needed for floating drum;
Mf is floating drum weight;
Mz is support gross weight;
Mt is solar energy electroplax, securing member and connects wire gross weight;
F is downward component during local maximum wind velocity;
Support described here is the weight of other accessory in addition to keg float;
More than its buoyancy of the keg float twice more than vertical supporting rod, support rail and solar components weight, and can support The typhoon of anti-less than 13 grades;
2., vertical supporting rod, support rail and enclose corridor process:
Steel used by it are carried out galvanizing process;
(2), it is one group with two photovoltaic electrification components to assemble:
Being one group with six keg floats and carry out decile arrangement, two keg float centre-to-centre spacing of vertical direction are 400CM, Two keg float centre-to-centre spacing of horizontal direction are 519CM;
Upward, the adpting flange between three keg floats is connected by vertical supporting rod in adpting flange direction on keg float; Upward, the centre-to-centre spacing of two adpting flanges is 232CM in the adpting flange direction at keg float two ends, and keg float position is put Need with the adpting flange of apparatus measures keg float vertical direction the most on one wire after putting well, to guarantee and to support The installation of montant;Vertical supporting rod is fixed with adpting flange rust-proof screw and Stainless cap nut;
Installing vertical supporting rod on the adpting flange of the keg float left and right sides, vertical supporting rod specification is 15X7.5CM H profile steel, total length is 1137CM, and one end of vertical supporting rod with the centre-to-centre spacing of adpting flange is 168.5CM, when putting, the direction that first row pitch-row is 53.5CM of every vertical supporting rod wants consistent, puts After Hao with 4 vertical supporting rods of apparatus measures whether on a horizontal line, solid with rust-proof screw and Stainless cap nut Fixed;
Support rail is installed, to reinforce and supporting role at vertical supporting rod two ends;Support rail specification is The H profile steel of 15X7.5CM, total length is 511CM, one end of support rail and the center of vertical supporting rod Away from for 139.5CM, two ends are equidistant;Distance between two support rails install afterwards is 8CM, in order to The installation of active connection, vertical supporting rod is fixed with support rail rust-proof screw and Stainless cap nut;
Knighthead is installed, during installation between two vertical supporting rods and two support rails between two vertical supporting rods Being respectively at parallel position, to guarantee that whole power station square formation is orderly, the angle of inclination of knighthead is 50 degree, For fixing two vertical supporting rods, in order to support is floating stable on the water surface, use between knighthead and vertical supporting rod Rust-proof screw and Stainless cap nut are fixed;
Arranging equally distributed angle steel group on vertical supporting rod, angle steel group is used for fixing high carriage and low support Frame, respectively by rust-proof screw and Stainless cap nut between angle steel group and high carriage, between angle steel group and low bracing frame Fixing;
High carriage with low bracing frame are respectively mounted solar energy electroplax support beam, are used for fixing solar-electricity Plate;
(3), composition photovoltaic electrification component square formation:
It is a photovoltaic electricity generating array with 96 groups, between vertical supporting rod and the support rail between each group and group All use active connection, to adapt at floating on water, reduce pressure, stablize photovoltaic electricity generating array, Fix with rust-proof screw and Stainless cap nut between support cross bar;
(4), arrange outside photovoltaic electrification component square formation and enclose corridor:
Arranging in the bottom enclosing limit, corridor and enclose corridor keg float, every is enclosed limit, corridor and is in series by multiple little limit, corridor head and the tail that enclose, Adjacent two little enclosing are flexibly connected mutually by hinge between limit, corridor, and inspection platform is formed at the top enclosing corridor;
(5), photovoltaic electrification component square formation with enclose corridor and carry out assembly:
Photovoltaic electrification component square formation passes through active connection phase chain connection, chain connection with enclosing corridor, preferably inhales Call prisoners in after letting them out for exercise wave stress, make cell panel not affected by any external force pulling;
(6), generate electricity by way of merging two or more grid systems:
After installing solar energy electroplax, connect electroplax: being connected by 20 pieces of single crystal battery assemblies is one group;Every 16 Group parallel connection accesses 1 header box;16 groups of header boxs are connected to photovoltaic DC-to-AC converter, through inversion to exchange 315V;Generate electricity by way of merging two or more grid systems to grid-connected voltage through isolation boosting transformer boost.
This structure more wind resistance, stability is high, makes to be hinged, the slight fluctuation with water surface floating, Ensure serviceability.
One, sustainability
1, metal material, surface anticorrosion processes, including galvanizing, fluororine-carbon coating, powder spray.
2, long product lifecycle, harmless to drinking water safety.
Two, economic validity
1, simple and quick installation so that cost reduces;
2, modularized design, production line balance ensures product low cost and competitiveness.
Three, the advantage of water surface floating solar photovoltaic generation system
1, the cooling effect of photovoltaic panel and cable is brought higher electric power output by water body.
2, water is blocked effect suppression algal grown, improves water quality by photovoltaic array waterborne.
3, reduce evaporated water to produce for agricultural irrigation and drinking water.
4, the impact on environment is reduced: do not affect water quality, reusable edible material.
Use described keg float floatation type photo-voltaic power generation station in developing water on lake, reservoir, truly solve Except the drawback of photovoltaic plant land occupation, break away from that floating power barge first to draw water, piling dress support is diverse and complicated again, It also avoid and make floating instrument with foam the most on the market, from now on reclaims problem, after 25 years, institute State keg float and still can make secondary interests with recycling.Widen the application of photovoltaic generation, be the most also improved generating Amount, the benefit of water conservation.
Therefore, a kind of water surface floating solar photovoltaic electrification component, system of the present utility model, structure is tight Gathering, serviceability is outstanding, and suitability is high, and service life is long simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of photovoltaic electrification component square formation in this utility model;
Fig. 3 is the structure for amplifying schematic diagram in A portion in Fig. 2;
Fig. 4 is the structure for amplifying schematic diagram in B portion in Fig. 3;
Fig. 5 is the structural representation of photovoltaic electrification component in this utility model;
Fig. 6 is the side-looking structural representation of Fig. 5;
Fig. 7 is the structural representation of keg float in this utility model;
Fig. 8 is another structural representation of keg float in this utility model;
Fig. 9 is the structural representation of adjacent photovoltaic electrification component in this utility model;
Figure 10 is the supporting construction schematic diagram of solar energy electroplax in this utility model;
Figure 11 is the structural representation enclosing corridor in this utility model;
Figure 12 is the support-side TV structure schematic diagram of solar energy electroplax in this utility model.
Detailed description of the invention
Below by embodiment, and combine accompanying drawing, the technical solution of the utility model is made the most concrete Explanation.
Embodiment 1: as shown in Figure 1, Figure 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Shown in Figure 10, Figure 11 and Figure 12, a kind of water surface floating solar photovoltaic electrification component, including at least Two keg floats 1, described 1 top of keg float be respectively arranged at two ends with vertical supporting rod 2, two vertical supporting rods The top of 2 is at least provided with a photovoltaic bracket, and described photovoltaic bracket includes high carriage 3 and low bracing frame 4, described high carriage 3 and the low interruption-like distribution of bracing frame 4, the top of described high carriage 3 And it is provided with the solar energy electroplax 5 of inclined distribution between the top of low bracing frame 4.
The two ends on described keg float 1 top are provided with the adpting flange 6 fixed with vertical supporting rod 2;
The cross section of described adpting flange 6 is " U "-shaped, the top of described adpting flange 6 be provided with The fixing hole 7 that vertical supporting rod 2 is matched;
Or,
The cross section of described adpting flange 6 is " T " shape, the top of described adpting flange 6 be provided with The fixing hole I 8 that vertical supporting rod 2 is matched.
Be respectively arranged at two ends with and the vertical supporting rod 2 of two vertical supporting rods 2 present the support rail of lower vertical distribution 9, the described two side ends of vertical supporting rod 2, the two side ends of support rail 9 stretch out respectively, described Keg float 1 quantity is 3, and 3 keg floats 1 are distributed in uniform shape, is provided with support tiltedly between two vertical supporting rods 2 Bar 10.
Described high carriage 3 is distributed in squint shape respectively with low bracing frame 4, described high carriage 3 With between vertical supporting rod 2, positioned by keeper 11 phase respectively between low bracing frame 4 and vertical supporting rod 2;
Described high carriage 3 is respectively equipped with solar energy electroplax support beam 12, institute with the top of low bracing frame 4 The solar energy electroplax 5 stated is fastened by solar energy electroplax support beam 12.
Water surface floating solar photovoltaic electrification component is assembled into photovoltaic generating system, including enclosing corridor 13, described The corridor 13 that encloses be made up of limit, 4 corridors 14, the bottom on described limit, corridor 14 be provided with limit, equally distributed corridor float Bucket 15, described enclosing is provided with equally distributed photovoltaic electrification component in corridor 13, equally distributed photovoltaic generation Assembly forms photovoltaic electrification component square formation, the edge of described photovoltaic electrification component square formation and enclose between corridor 13, Being fixed by active connection 16 respectively between photovoltaic electrification component and photovoltaic electrification component, adjacent photovoltaic is sent out By activity between vertical supporting rod 2 in electricity assembly and vertical supporting rod 2, between support rail 9 and support rail 9 Connector 16 is fixed, and a pair active connection 16 is in chain connection.

Claims (5)

1. a water surface floating solar photovoltaic electrification component, it is characterized in that: include at least two keg floats (1), between described keg float (1), top is respectively arranged at two ends with vertical supporting rod (2), the top of two vertical supporting rods (2) is at least provided with a photovoltaic bracket, described photovoltaic bracket includes high carriage (3) and low bracing frame (4), described high carriage (3) and low bracing frame (4) interruption-like distribution, the solar energy electroplax (5) of inclined distribution it is provided with between the top of described high carriage (3) and the top of low bracing frame (4);
The two ends on described keg float (1) top are provided with the adpting flange (6) fixed with vertical supporting rod (2);
The cross section of described adpting flange (6) is " U "-shaped, and the top of described adpting flange (6) is provided with the fixing hole (7) matched with vertical supporting rod (2);
Or, the cross section of described adpting flange (6) is " T " shape, and the top of described adpting flange (6) is provided with the fixing hole I (8) matched with vertical supporting rod (2).
A kind of water surface floating solar photovoltaic electrification component the most according to claim 1, it is characterized in that: be respectively arranged at two ends with and the vertical supporting rod (2) of two vertical supporting rods (2) present the support rail (9) of lower square crossing distribution, the described two side ends of vertical supporting rod (2), the two side ends of support rail (9) stretch out respectively, described keg float (1) quantity is 3,3 keg floats (1) are distributed in uniform shape, are provided with knighthead (10) between two vertical supporting rods (2).
A kind of water surface floating solar photovoltaic electrification component the most according to claim 1, it is characterized in that: described high carriage (3) and low bracing frame (4) are distributed in squint shape respectively, between described high carriage (3) with vertical supporting rod (2), pass through keeper (11) respectively between low bracing frame (4) and vertical supporting rod (2) and position mutually;
Described high carriage (3) is respectively equipped with solar energy electroplax support beam (12) with the top of low bracing frame (4), and described solar energy electroplax (5) is fastened by solar energy electroplax support beam (12).
null4. a kind of water surface floating solar photovoltaic generation system being made up of a kind of water surface floating solar photovoltaic electrification component described in claim 1 or 2 or 3,It is characterized in that: include enclosing corridor (13),The described corridor (13) that encloses is made up of limit, 4 corridors (14),The bottom on described limit, corridor (14) is provided with limit, equally distributed corridor keg float (15),Described enclosing is provided with equally distributed photovoltaic electrification component as described in claim 1 or 2 or 3 in corridor (13),Described enclosing in corridor (13) is provided with equally distributed photovoltaic electrification component,Equally distributed photovoltaic electrification component forms photovoltaic electrification component square formation,The edge of described photovoltaic electrification component square formation and enclosing between corridor (13)、Fixed by active connection (16) respectively between photovoltaic electrification component and photovoltaic electrification component,Between vertical supporting rod (2) in adjacent photovoltaic electrification component and vertical supporting rod (2)、Fixed by active connection (16) between support rail (9) and support rail (9),Active connection (16) is in chain connection.
A kind of water surface floating solar photovoltaic generation system the most according to claim 4, it is characterised in that: the interposition on described keg float (1) top is provided with pore (17).
CN201520983087.9U 2015-12-01 2015-12-01 Surface of water floats formula solar photovoltaic electricity generation subassembly, system Active CN205584080U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520983087.9U CN205584080U (en) 2015-12-01 2015-12-01 Surface of water floats formula solar photovoltaic electricity generation subassembly, system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520983087.9U CN205584080U (en) 2015-12-01 2015-12-01 Surface of water floats formula solar photovoltaic electricity generation subassembly, system

Publications (1)

Publication Number Publication Date
CN205584080U true CN205584080U (en) 2016-09-14

Family

ID=56881638

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520983087.9U Active CN205584080U (en) 2015-12-01 2015-12-01 Surface of water floats formula solar photovoltaic electricity generation subassembly, system

Country Status (1)

Country Link
CN (1) CN205584080U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105471374A (en) * 2015-12-01 2016-04-06 杭州福莱特塑料开发有限公司 Solar photovoltaic power generation assembly and system of water surface floating type, and operation method for assembly
TWI661665B (en) * 2017-08-14 2019-06-01 大陸商長江勘測規劃設計研究有限責任公司 Discrete operation and maintenance channel independent support type surface photovoltaic power generation system and installation method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105471374A (en) * 2015-12-01 2016-04-06 杭州福莱特塑料开发有限公司 Solar photovoltaic power generation assembly and system of water surface floating type, and operation method for assembly
TWI661665B (en) * 2017-08-14 2019-06-01 大陸商長江勘測規劃設計研究有限責任公司 Discrete operation and maintenance channel independent support type surface photovoltaic power generation system and installation method

Similar Documents

Publication Publication Date Title
CN105471374A (en) Solar photovoltaic power generation assembly and system of water surface floating type, and operation method for assembly
CN105119558B (en) Photovoltaic array and its power station in a kind of modular water
CN204794820U (en) Photovoltaic support is floated to float -type
CN205142083U (en) Modularization solar electric system
CN205584080U (en) Surface of water floats formula solar photovoltaic electricity generation subassembly, system
CN104184393A (en) Agricultural greenhouse type intensive photovoltaic power generation device
CN105610388A (en) Waterborne buoy apparatus used for supporting photovoltaic panel
CN202217188U (en) Inclined single shaft self-adapting sun tracking device for photovoltaic power generation
CN106374822B (en) Float type photovoltaic module support meanss, generator unit and installation method altogether
CN206364749U (en) A kind of water surface photovoltaic floating raft type flotation gear
CN206349967U (en) Integrated pin-connected panel water surface photovoltaic generating system
CN106533333B (en) A kind of water surface photovoltaic floating raft type flotation gear
CN205212760U (en) Biax solar energy power generation tracker
CN110466706B (en) Floating platform and photovoltaic power plant on water
CN204316398U (en) The intensive photovoltaic power generation apparatus of agricultural greenhouse formula
CN106347596B (en) Annular floating pipe type water surface photovoltaic generating system and installation method
CN206155740U (en) Tubular surface of water photovoltaic power generation system is floated to annular
CN103531650A (en) Floating raft type photovoltaic array
CN206993032U (en) A kind of floating box type solar panels mounting bracket waterborne
CN206060627U (en) A kind of complementary photovoltaic power plant bracket of fishing light and the carriage assembly with the support
CN207910709U (en) Inverter mounting structure and photovoltaic board mount
CN202758901U (en) Spiral pile type adjustable photovoltaic support
CN106656006B (en) Integrated pin-connected panel water surface photovoltaic generating system and its installation method
CN206288207U (en) The supporting construction of photovoltaic plant waterborne
CN204998723U (en) Flexible surface of water floats photovoltaic power plant installing the system

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant