CN109150069A - Mesh-supported floatation type photovoltaic plant - Google Patents
Mesh-supported floatation type photovoltaic plant Download PDFInfo
- Publication number
- CN109150069A CN109150069A CN201710510194.3A CN201710510194A CN109150069A CN 109150069 A CN109150069 A CN 109150069A CN 201710510194 A CN201710510194 A CN 201710510194A CN 109150069 A CN109150069 A CN 109150069A
- Authority
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- China
- Prior art keywords
- floating body
- cable
- towing rope
- main push
- mesh
- 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.)
- Pending
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 230000001413 cellular effect Effects 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims 1
- 239000005977 Ethylene Substances 0.000 claims 1
- 238000000071 blow moulding Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 241000251468 Actinopterygii Species 0.000 abstract description 3
- 230000006378 damage Effects 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 description 5
- 229920001903 high density polyethylene Polymers 0.000 description 3
- 239000004700 high-density polyethylene Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
- B63B2035/4433—Floating structures carrying electric power plants
- B63B2035/4453—Floating structures carrying electric power plants for converting solar energy into electric energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses a kind of mesh-supported floatation type photovoltaic plants, major network system includes the main push-towing rope for the longitudinally staggered setting of transverse direction being located on the water surface, every main push-towing rope both ends are anchored in bank by steel screw pile, generator unit is respectively provided in each cellular zone lattice of major network system, each generator unit includes floating body in a row arranged in rows, floating body in every row passes through laterally time cable connection, floating body in each column passes through longitudinal cable connection, every transverse direction time cable and longitudinal cable both ends are affixed with main push-towing rope, fixed photovoltaic module on each floating body.The present invention is using " the big small net of net cover " structural system as main support structure, cancel the bolt or pin between floating body and floating body, cancel piled anchor in water and casts anchor, by system integral fastening in the steel screw pile on waterfront side, floating body can effectively be prevented and photovoltaic module occurs to stack extruding destruction, the water environment deeper suitable for reservoir, large-scale fish pond and the sinking land in coalmining areas water surface etc..
Description
Technical field
The present invention relates to a kind of floatation type photovoltaic support systems, and more specifically, it relates to a kind of mesh-supported floatation types
Photovoltaic plant.
Background technique
Under reservoir, the deeper water environment in large-scale fish pond and the sinking land in coalmining areas ponding pool etc., traditional beats prefabricated pile foundation
The more difficult implementation of plinth support scheme, preferably floatation type photovoltaic support system.Currently, domestic and international common floatation type photovoltaic plant, main
It to include two kinds of photovoltaic bracket+float type, floating body integrated type forms.Photovoltaic bracket+float type using floating body support steel bracket,
Steel bracket supports the form of photovoltaic module again, and top weight is big, and the rigidity of system is also big, easily generation continuous damage.Floating body one
Change formula cancels steel structure support, self weight lightweight flexible is good, and application is more and more wider using floating and supporting integral structure.Two kinds of drifts
The common feature of floating photovoltaic is it is all to be connected and fixed between floating body and floating body by bolt or pin, it is whole again by bank anchor,
It piled anchor and casts anchor and is fixed on bank and the bottom.But the bolt in MW grades of engineerings of large area deeper water, between floating body and floating body
Or easily there is stress concentration under stormy waves stream synergy in pin, extruding or tensile failure occurs, and then cause floating body and photovoltaic
Stack of components squeezes, and eventually leads to the damage inactivation of electric power station system.Moreover, situations such as the depth of water is unstable compared with deep and water-bed face
Under, piled anchor and also more difficult implementation of casting anchor.
Summary of the invention
Purpose of the invention is to overcome the shortcomings in the prior art, provides a kind of mesh-supported floatation type photovoltaic electric
It stands, using " the big small net of net cover " structural system as main support structure, cancels bolt or pin between floating body and floating body, take
Disappear in water and piled anchor and to cast anchor, by system integral fastening in the steel screw pile on waterfront side.Design principle clear and rational, structure type letter
It is single easily to realize, it can effectively prevent floating body and photovoltaic module generation is stacked to squeeze and be destroyed, there is preferable safety, economy and reality
The property used.
The purpose of the present invention is what is be achieved through the following technical solutions.
Mesh-supported floatation type photovoltaic plant of the invention, including major network system and its nested internal generator unit, institute
The main push-towing rope that major network system includes the longitudinally staggered setting of transverse direction being located on the water surface is stated, the both ends of the every main push-towing rope pass through steel spiral shell
Rotation piled anchor is fixed in bank, and generator unit, each generator unit are provided in each cellular zone lattice of the major network system
It include floating body in a row arranged in rows, the floating body in every row is by its internal laterally time cable connection, each column
Floating body is connected by passing through its longitudinal time internal cable, and the both ends of the every transverse direction time cable and longitudinal cable are solid with main push-towing rope
It is fixed to connect, photovoltaic module is respectively and fixedly provided on each floating body.
The main push-towing rope is made of zinc-plated prestress wire, and the crosspoint of each main push-towing rope to each other is carried out by lock
Fixed, the main push-towing rope is preset with certain radian.
The transverse direction time cable and longitudinal cable are made of zinc-plated prestress wire, the every transverse direction time cable and longitudinal direction
The both ends of secondary cable pass through lock and are fixedly connected with main push-towing rope, and the transverse direction time cable and longitudinal cable should all keep tensioning state.
The floating body is blow molded by polyethylene material and is made, and is set as hollow structure, each floating body top, which is all provided with, to be set to
Double-layer double-direction time cable duct is arranged in inclined-plane, bottom, including laterally time cable duct and longitudinal cable duct.
The photovoltaic module is fixed on floating body by fixture, and the length of the photovoltaic module should be less than the outer of floating body to size
Shape size.
The electric capstan for adjusting main push-towing rope tightness is provided on the steel screw pile.
Compared with prior art, the beneficial effects brought by the technical solution of the present invention are as follows:
(1) in the present invention, laterally the main push-towing rope of longitudinally staggered setting is preset with certain horizontal and vertical radian, guarantees photovoltaic
Power station in a certain range, can float up and down with SEA LEVEL VARIATION；Under stronger wind wave flow action, structural system has certain
Deformability, can dissipative structure internal force, guarantee system safety and stability；With stronger wind and wave resistance stream ability, it is adapted to erect
To SEA LEVEL VARIATION and horizontally Displacement-deformation, and can effectively prevent floating body and photovoltaic module is stacked to squeeze and be destroyed；
(2) in the present invention, the both ends of main push-towing rope are anchored in bank by steel screw pile, may be provided with electric mincing on steel screw pile
Disk, according to SEA LEVEL VARIATION and extreme load operating condition, the tightness of adjustable main push-towing rope, it is ensured that system safety；Power station maintenance and
, can be by electric capstan when dismounting, while collecting primary and secondary cable, solve opening lock catch, primary and secondary cable can be left the water, repair or
It removes；
(3) in the present invention, floating body and photovoltaic module are assembled into kW grades of power generation list by laterally time cable and longitudinal cable
Member, in kW grades of generator unit surrounding, the both ends of lateral cable and longitudinal cable pass through lock and are fixed in main push-towing rope, and main push-towing rope anchors
Steel screw pile in bank forms MW grades of floatation type photovoltaic plant；
(4) in the present invention, laterally time cable and longitudinal cable should all remain tensioning state, under external load effect, laterally
Displacement difference is equal it is ensured that extrusion and collision does not occur for photovoltaic module between displacement difference and longitudinal cable between secondary cable；
(5) present invention passes through the structural system of " the big small net of net cover ", has dispersed system internal force, meanwhile, netted drawknot limitation
The vertical relative displacement between floating body is closed on, floating body and photovoltaic module can be effectively prevent to stack to squeeze and destroy, improve power station
Safety and stability；Relatively general common floating on water photovoltaic plant, mesh-supported floatation type photovoltaic plant save in water
The project amount that piled anchor or concrete cast anchor, by system integral fastening in the steel screw pile on waterfront side；The structure type is simple, stress
Clear and rational is easily installed and safeguards have good applicability and use prospect.
Detailed description of the invention
Fig. 1 is the plan view of mesh-supported floatation type photovoltaic plant of the present invention；
Fig. 2 is the scheme of installation of floating body in the present invention.
Appended drawing reference: 1 main push-towing rope；2 steel screw piles；3 generator units；301 lateral cables；302 longitudinal cables；
303 floating bodies；304 lateral cable ducts；305 longitudinal cable ducts；306 photovoltaic modulies.
Specific embodiment
The invention will be further described with reference to the accompanying drawing.
As depicted in figs. 1 and 2, mesh-supported floatation type photovoltaic plant of the invention, construction is in large reservoir, fish pond and adopts
It under the deeper water environments such as the coal Subsidence Area ponding pool, is made of " the big small net of net cover " structural system, including major network system and embedding
Cover its internal generator unit 3.The major network system is located on the water surface, the main push-towing rope 1 including laterally longitudinally staggered setting, described
Main push-towing rope 1 is made of zinc-plated prestress wire, and the crosspoint of each main push-towing rope 1 to each other is fixed by lock.It is described
Main push-towing rope 1 is preset with certain horizontal and vertical radian, guarantees photovoltaic plant in a certain range, can be with floating downward in SEA LEVEL VARIATION
It is dynamic.Under stronger wind wave flow action, structural system have certain deformability, can dissipative structure internal force, guarantee system peace
It is complete to stablize.The both ends of the every main push-towing rope 1 are anchored in bank by steel screw pile 2, may be provided on the steel screw pile 2 electronic
Capstan winch, according to SEA LEVEL VARIATION and extreme load operating condition, the tightness of adjustable main push-towing rope 1, it is ensured that system safety.Power station maintenance
, can be by electric capstan and when removing, while primary and secondary cable is collected, opening lock catch is solved, primary and secondary cable can be left the water, be repaired
Or it removes.
It is provided with generator unit 3 in each cellular zone lattice of the major network system and (only shows that a power generation is single in Fig. 1
Member, remaining is not shown), each generator unit 3 includes floating body 303 in a row arranged in rows, and the floating body 303 in every row is equal
It is concatenated by passing through its internal laterally time cable 301, the floating body 303 in each column is by passing through its longitudinal time internal cable 302
It concatenates, is respectively and fixedly provided with photovoltaic module 306 on each floating body 303.By laterally time cable 301 and longitudinal cable 302 by floating body
303 and photovoltaic module 306 be assembled into kW grades of generator unit 3, in kW grades of 3 surrounding of generator unit, lateral time cable 301 and longitudinal
The both ends of secondary cable 302 pass through lock and are fixed in main push-towing rope 1, and main push-towing rope 1 is anchored in the steel screw pile 2 on bank, form MW grades of floating
Formula photovoltaic plant.
The transverse direction time cable 301 and longitudinal cable 302 are made of zinc-plated prestress wire, the transverse direction time cable 301
Tensioning state should all be remained with longitudinal cable 302.Under external load effect, lateral 301 displacement differences of cable and longitudinal cable
302 displacement differences are not it is ensured that extrusion and collision occurs for photovoltaic module 306.Floating body 303 supports photovoltaic module 306, provides upwards
Basic buoyancy, the floating body 303 by polyethylene material be blow molded make, be set as hollow structure, each 303 top of floating body
It is all provided with and is set to inclined-plane, double-layer double-direction time cable duct is arranged in bottom, including laterally time cable duct 304 and longitudinal cable duct 305.Institute
It states photovoltaic module 306 to be fixed on floating body 303 by fixture, the length of the photovoltaic module 306 should be less than floating body 303 to size
Outer dimension.
Embodiment one
Take certain pool example, waterfront perimeter 732m, water surface area 38421m2, mean depth 6m builds netted at an upper portion thereof
Support floatation type photovoltaic plant.
Major network system is made of longitudinally staggered 1, the 24 group of steel screw pile 2 of main push-towing rope of 12 transverse directions, forms 20 altogether
Five cellular zone lattice.Lock is set on portraitlandscape main push-towing rope 1, lockable 1 crosspoint of main push-towing rope after the installation of major network system is in place, often
Root main push-towing rope 1 is anchored in bank by two sides steel screw pile 2.Typical 1 structure of main push-towing rope is the zinc-plated prestress wire of 4-7 Φ 5.
The generator unit 3 being arranged in each cellular zone lattice is by longitudinal cable 302, laterally time cable 301, floating body 303, photovoltaic group
Part 306 and connector form, and 25 generator units 3 are shared in this example, and each generator unit 3 includes 198 floating
303,198 photovoltaic modulies 306 of body.Typical laterally time cable 301 and longitudinal 302 structure of cable are that 1-7 Φ 5 is zinc-plated
Prestress wire, laterally time cable 301 and longitudinal 302 two sides of cable setting lock, lock after installing in place with main push-towing rope 1, horizontal
Tensioning state should be kept to secondary cable 301 and longitudinal cable 302.
Typical floating body 303 is blow molded by high density polyethylene (HDPE) (HDPE) material to be made, hollow, long 1660mm, wide 900mm,
Highly 170~330mm.303 upper inclined surface of floating body considers the north-south inclination angle of photovoltaic module 306, is arranged to 10 ° of inclination angles of south orientation.
Bottom setting double-layer double-direction wears the 5 cable ducts 1-7 Φ, and laterally the diameter in time cable duct 304 and longitudinal cable duct 305 is
18mm。
It selects capacity for the photovoltaic module 306 of 260Wp, is fixed on floating body 303 by fixture, photovoltaic module 306 is kept
Positive 10 ° of inclination angles of south orientation, outer dimension 1650mm × 991mm × 35mm (h) of standard.After being installed, photovoltaic module should ensure that
306 minimum points are higher by water surface 150mm or more.
In the present embodiment, mesh-supported floatation type photovoltaic plant is made of 25 generator units 3, each generator unit
3 capacity is 198 × 260=51.48kW, and nominal 50kW, power station total installation of generating capacity is 1.25MW.
Although function and the course of work of the invention are described above in conjunction with attached drawing, the invention is not limited to
Above-mentioned concrete function and the course of work, the above mentioned embodiment is only schematical, rather than restrictive, ability
The those of ordinary skill in domain under the inspiration of the present invention, is not departing from present inventive concept and scope of the claimed protection situation
Under, many forms can also be made, all of these belong to the protection of the present invention.
Claims (6)
1. a kind of mesh-supported floatation type photovoltaic plant, including major network system and its nested internal generator unit (3), feature
It is, the major network system includes the main push-towing rope (1) for the longitudinally staggered setting of transverse direction being located on the water surface, the every main push-towing rope (1)
Both ends be anchored in bank by steel screw pile (2), be provided with generator unit in each cellular zone lattice of the major network system
(3), each generator unit (3) includes floating body (303) in a row arranged in rows, and the floating body (303) in every row passes through
The laterally time cable (301) internal across it connects, and the floating body (303) in each column is by passing through its longitudinal time internal cable
(302) it connects, the both ends of the every transverse direction time cable (301) and longitudinal cable (302) are fixedly connected with main push-towing rope (1), each
Photovoltaic module (306) are respectively and fixedly provided on the floating body (303).
2. mesh-supported floatation type photovoltaic plant according to claim 1, which is characterized in that the main push-towing rope (1) is by zinc-plated
Prestress wire is constituted, and the crosspoint of each main push-towing rope (1) to each other is fixed by lock, and the main push-towing rope (1) is pre-
Equipped with certain radian.
3. mesh-supported floatation type photovoltaic plant according to claim 1, which is characterized in that the transverse direction time cable (301)
It is made of with longitudinal cable (302) zinc-plated prestress wire, the every transverse direction time cable (301) and longitudinal cable (302)
Both ends pass through lock and be fixedly connected with main push-towing rope (1), the transverse direction time cable (301) and longitudinal cable (302) should all keep opening
Tight state.
4. mesh-supported floatation type photovoltaic plant according to claim 1, which is characterized in that the floating body (303) is by gathering
The blow molding production of ethylene material, is set as hollow structure, and each floating body (303) top, which is all provided with, is set to inclined-plane, and bottom setting is double
The two-way secondary cable duct of layer, including laterally time cable duct (304) and longitudinal cable duct (305).
5. mesh-supported floatation type photovoltaic plant according to claim 1, which is characterized in that the photovoltaic module (306)
It is fixed on floating body (303) by fixture, the length of the photovoltaic module (306) should be less than the shape ruler of floating body (303) to size
It is very little.
6. mesh-supported floatation type photovoltaic plant according to claim 1, which is characterized in that on the steel screw pile (2)
It is provided with the electric capstan for adjusting main push-towing rope (1) tightness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710510194.3A CN109150069A (en) | 2017-06-28 | 2017-06-28 | Mesh-supported floatation type photovoltaic plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710510194.3A CN109150069A (en) | 2017-06-28 | 2017-06-28 | Mesh-supported floatation type photovoltaic plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109150069A true CN109150069A (en) | 2019-01-04 |
Family
ID=64803696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710510194.3A Pending CN109150069A (en) | 2017-06-28 | 2017-06-28 | Mesh-supported floatation type photovoltaic plant |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110920808A (en) * | 2019-12-05 | 2020-03-27 | 中国石油大学(华东) | Mooring system suitable for pumped storage power station development photovoltaic on water |
| CN111628702A (en) * | 2020-06-08 | 2020-09-04 | 云南宝业金属结构工程有限公司 | Floating platform and photovoltaic power plant on water |
| WO2024060922A1 (en) * | 2022-09-23 | 2024-03-28 | 夏尔特拉(上海)新能源科技有限公司 | Mesh-shaped reinforced floating island |
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| WO2015156613A1 (en) * | 2014-04-09 | 2015-10-15 | 주식회사 더블유쏠라 | Floating structures of floating photovoltaic apparatus and method for inter-connecting structures |
| CN105356827A (en) * | 2015-11-18 | 2016-02-24 | 丁慈鑫 | Floating structure of surface photovoltaic power station and construction process thereof |
| CN105871309A (en) * | 2016-05-04 | 2016-08-17 | 衢州精筑能源科技有限公司 | Floating type overwater photovoltaic power generation system |
| CN106330058A (en) * | 2016-11-08 | 2017-01-11 | 长江勘测规划设计研究有限责任公司 | Design method of water-drifting photovoltaic plant |
| CN106533334A (en) * | 2016-11-18 | 2017-03-22 | 中清能绿洲科技股份有限公司 | Novel single-layer parallel suspension cable photovoltaic support system |
| CN206878747U (en) * | 2017-06-28 | 2018-01-12 | 天津大学 | Mesh-supported floatation type photovoltaic plant |
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| TW201211473A (en) * | 2010-09-06 | 2012-03-16 | Shen-Heng Chien | Suspension type floating photovoltaic power plant |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110920808A (en) * | 2019-12-05 | 2020-03-27 | 中国石油大学(华东) | Mooring system suitable for pumped storage power station development photovoltaic on water |
| CN111628702A (en) * | 2020-06-08 | 2020-09-04 | 云南宝业金属结构工程有限公司 | Floating platform and photovoltaic power plant on water |
| WO2024060922A1 (en) * | 2022-09-23 | 2024-03-28 | 夏尔特拉(上海)新能源科技有限公司 | Mesh-shaped reinforced floating island |
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