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CN116131726A - Installation method and installation system of offshore photovoltaic unit - Google Patents

Installation method and installation system of offshore photovoltaic unit Download PDF

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Publication number
CN116131726A
CN116131726A CN202211709177.XA CN202211709177A CN116131726A CN 116131726 A CN116131726 A CN 116131726A CN 202211709177 A CN202211709177 A CN 202211709177A CN 116131726 A CN116131726 A CN 116131726A
Authority
CN
China
Prior art keywords
photovoltaic
bracket
installation
area
sea
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
Application number
CN202211709177.XA
Other languages
Chinese (zh)
Inventor
张清涛
王小合
逯鹏
余刚
于自强
石鑫
鲁成林
董宏季
解锦婷
崔文涛
李陕锋
闫明辉
张威
卢国杰
彭松华
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.)
Huadian Heavy Industries Co Ltd
Original Assignee
Huadian Heavy Industries 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 Huadian Heavy Industries Co Ltd filed Critical Huadian Heavy Industries Co Ltd
Priority to CN202211709177.XA priority Critical patent/CN116131726A/en
Publication of CN116131726A publication Critical patent/CN116131726A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00—Solar heat collectors specially adapted for particular uses or environments
    • F24S20/20—Solar heat collectors for receiving concentrated solar energy, e.g. receivers for solar power plants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00—Solar heat collectors specially adapted for particular uses or environments
    • F24S20/70—Waterborne solar heat collector modules
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/10—Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface
    • F24S25/12—Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface using posts in combination with upper profiles
    • 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
    • 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
    • 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
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The invention discloses a method and a system for installing an offshore photovoltaic unit, wherein the offshore photovoltaic unit comprises the following components: a special tool is arranged in the preassembling area to preassemble the photovoltaic bracket; after the preassembly is completed, fixing the photovoltaic panel on a photovoltaic bracket to form a photovoltaic unit; and carrying out integral hoisting operation on the photovoltaic unit at sea. Compared with direct installation on the water surface, the photovoltaic bracket is greatly influenced by environmental conditions, and the embodiment of the invention performs the whole hoisting operation after the preassembling is completed by directly performing the preassembling operation on the photovoltaic bracket in the preassembling area. In this way, the device is not influenced by the complex marine environment in the sea area during preassembly, and the efficiency and the safety of operators can be improved through special tools. Meanwhile, the window period can be fully utilized when the device is integrally installed on the sea, so that the offshore operation efficiency and the construction safety are improved.

Description

Installation method and installation system of offshore photovoltaic unit
Technical Field
The invention relates to the technical field of offshore photovoltaic units, in particular to an installation method and an installation system of an offshore photovoltaic unit.
Background
At present, photovoltaic modules are directly installed in inland rivers, lakes and shielded sea areas, temporary facilities are built, and technicians install the steel structures of the photovoltaic modules one by one on site. The technician needs to first install the steel bracket on the water surface and then fix the photovoltaic panel.
In this way, the installation is directly carried out on the water surface, and the installation is greatly influenced by environmental conditions, so that the installation efficiency is lower. And after the common water area is converted into the non-shielding sea area, the complex marine environment conditions of the offshore non-shielding sea area are faced, the influence on the construction efficiency is large, and the project construction progress cannot be ensured. Meanwhile, the construction safety cannot be guaranteed.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is that the installation efficiency is lower and the construction safety cannot be ensured when the photovoltaic bracket is installed in the non-shielding sea area in the prior art, so that the installation method and the installation system of the offshore photovoltaic unit are provided.
To achieve the above object, an embodiment of the present invention provides a method for installing an offshore photovoltaic unit, including:
a special tool is arranged in the preassembling area to preassemble the photovoltaic bracket;
after the preassembly is completed, fixing the photovoltaic panel on a photovoltaic bracket to form a photovoltaic unit;
and carrying out integral hoisting operation on the photovoltaic unit at sea.
Optionally, the preassembled area is located at a dock or on a mounting boat.
Optionally, the photovoltaic bracket comprises a bracket upright post, a bracket supporting beam, a bracket oblique beam and a bracket purline, and the bracket upright post, the bracket supporting beam, the bracket oblique beam and the bracket purline are respectively connected and fixed.
Optionally, a fixing seat is disposed in the preassembling area, and the photovoltaic bracket is fixed on the fixing seat after preassembling the photovoltaic bracket.
Optionally, the fixing base is a tool support, and the tool support is used for fixing the fixing part of the photovoltaic support is identical to the fixing part of the pile foundation in structure.
Optionally, the photovoltaic brackets and/or the photovoltaic units are assembled in the height direction using a pre-assembly tool.
Optionally, the preassembling fixture is arranged in a step shape, and the height of the preassembling fixture is greater than or equal to the height of the photovoltaic unit.
Optionally, the performing integral hoisting operation on the photovoltaic unit at sea includes:
when the preassembled area is positioned on the wharf, the photovoltaic unit is refuted to the installation vessel from the wharf;
after the photovoltaic units are inverted from the wharf to the installation vessel, or when the preassembly area is located on the installation vessel, the photovoltaic units are taken as a whole, and the installation vessel is utilized to carry out integral hoisting operation on the sea, so that a preset interval exists between two adjacent photovoltaic units.
An embodiment of the present invention provides a mounting system for an offshore photovoltaic unit, the mounting system comprising:
the pre-assembly area is provided with a special tool; the special tool is used for pre-assembling the photovoltaic bracket;
the installation ship is used for carrying out integral hoisting operation on the photovoltaic units at sea; the photovoltaic unit comprises a photovoltaic plate and a photovoltaic bracket which are mutually fixed.
Optionally, the mounting system further comprises: the preassembling tool is used for assembling the photovoltaic bracket and/or the photovoltaic unit in the height direction.
Compared with the prior art, the technical scheme of the invention has the following advantages:
1. the embodiment of the invention provides an installation method of an offshore photovoltaic unit, which comprises the following steps: a special tool is arranged in the preassembling area to preassemble the photovoltaic bracket; after the preassembly is completed, fixing the photovoltaic panel on a photovoltaic bracket to form a photovoltaic unit; and carrying out integral hoisting operation on the photovoltaic unit at sea.
Compared with direct installation on the water surface, the photovoltaic bracket is greatly influenced by environmental conditions, and the embodiment of the invention performs the whole hoisting operation after the preassembling is completed by directly performing the preassembling operation on the photovoltaic bracket in the preassembling area. In this way, the device is not influenced by the complex marine environment in the sea area during preassembly, and the efficiency and the safety of operators can be improved through special tools. Meanwhile, the window period can be fully utilized when the device is integrally installed on the sea, so that the offshore operation efficiency and the construction safety are improved. Furthermore, the single bracket unit after assembly is taken as a whole for installation, so that the design intention is not changed, and meanwhile, the stress in the installation process is reasonable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a schematic diagram of the overall structure of a preassembled system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the overall structure of a photovoltaic unit according to an embodiment of the present invention;
fig. 3 is a schematic view of the arrangement of the photovoltaic unit in the sea according to an embodiment of the present invention.
Reference numerals:
1. a support column; 2. pile foundation; 3. a bracket support beam; 4. a bracket sloping; 5. a support purlin; 6. a photovoltaic panel; 7. a tool support; 8. pre-assembling a tool; 9. a photovoltaic unit.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by a worker of ordinary skill in the art without making any inventive effort, are intended to be within the scope of this invention based on the embodiments of this invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, or can be communicated inside the two components, or can be connected wirelessly or in a wired way. The specific meaning of the above terms in the present invention can be understood in a specific case by a worker of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
At present, photovoltaic modules are directly installed in inland rivers, lakes and shielded sea areas, temporary facilities are built, and technicians install the steel structures of the photovoltaic modules one by one on site. The technician needs to first install the steel bracket on the water surface and then fix the photovoltaic panel.
In this way, the installation is directly carried out on the water surface, and the installation is greatly influenced by environmental conditions, so that the installation efficiency is lower. And after the common water area is converted into the non-shielding sea area, the complex marine environment conditions of the offshore non-shielding sea area are faced, the influence on the construction efficiency is large, and the project construction progress cannot be ensured. Meanwhile, the construction safety cannot be guaranteed.
Therefore, the technical problem to be solved by the invention is that the installation efficiency is lower and the construction safety cannot be ensured when the photovoltaic bracket is installed in the non-shielding sea area in the prior art, so that the installation method and the installation system of the offshore photovoltaic unit are provided.
Example 1
As shown in fig. 1, an embodiment of the present invention provides a method for installing an offshore photovoltaic unit, the method comprising:
s1, arranging a special tool in a preassembling area to preassemble a photovoltaic bracket;
s2, after the preassembly is completed, fixing the photovoltaic panel 6 on a photovoltaic bracket to form a photovoltaic unit 9;
s3, carrying out integral hoisting operation on the photovoltaic unit 9 at sea.
Specifically, the embodiment of the invention breaks through the uncertainty of construction period and personnel safety caused by the existing process of directly carrying out photovoltaic bracket bulk loading on the sea, and can firstly set a special tool in a pre-assembly area to pre-assemble the photovoltaic bracket. In order to save construction time and production costs, the preassembled area can be provided on a quay or on a mounting vessel. Of course, the present embodiment is merely to illustrate the installation position of the preassembly area, but not to limit the installation position, and those skilled in the art may change according to practical situations, for example, when the weather around the sea surface is bad, the preassembly area may be set in other stable areas, so as to ensure that the preassembly work can be stably performed.
After the preassembly is completed, a separate photovoltaic bracket is formed, and then the photovoltaic panel 6 is fixed on the photovoltaic bracket to form the photovoltaic unit 9. In the embodiment of the present invention, the fixing manner of the photovoltaic panel 6 to the photovoltaic bracket is not limited, and a person skilled in the art may change according to actual situations, may punch holes in the photovoltaic panel 6 and the photovoltaic bracket, and then fix the photovoltaic panel 6 and the photovoltaic bracket by bolts and nuts. Of course, other means of fixing the photovoltaic panel 6 may be adopted, and the same technical effects may be achieved.
Finally, the preassembled photovoltaic unit 9 is subjected to integral hoisting operation on the offshore pair. Specifically, the following two cases are included: when the preassembled area is located on land areas of a non-installation ship such as a wharf, the photovoltaic units 9 need to be refuted from the wharf to the installation ship, then the photovoltaic units 9 are taken as a whole, the installation ship is utilized to carry out integral hoisting operation on the sea, in the hoisting process, pile foundations 2 are sunk at first, a preset distance exists between the pile foundations 2, then the photovoltaic units 9 are lowered, and a preset distance exists between two adjacent photovoltaic units 9. And when the preassembling area is positioned on the installation ship, the photovoltaic units 9 are directly taken as a whole, the installation ship is utilized to carry out integral hoisting operation on the sea, in the hoisting process, pile foundations 2 are sunk at first, a preset distance exists between the pile foundations 2, and then the photovoltaic units 9 are lowered, so that a preset distance exists between two adjacent photovoltaic units 9.
Compared with direct installation on the water surface, the photovoltaic bracket is greatly influenced by environmental conditions, and the embodiment of the invention performs the whole hoisting operation after the preassembling is completed by directly performing the preassembling operation on the photovoltaic bracket in the preassembling area. In this way, the device is not influenced by the complex marine environment in the sea area during preassembly, and the efficiency and the safety of operators can be improved through special tools. Meanwhile, the window period can be fully utilized when the device is integrally installed on the sea, so that the offshore operation efficiency and the construction safety are improved. Furthermore, the single bracket unit after assembly is taken as a whole for installation, so that the design intention is not changed, and meanwhile, the stress in the installation process is reasonable.
Further, in an alternative embodiment of the present invention, the photovoltaic bracket includes a bracket post 1, a bracket support beam 3, a bracket diagonal beam 4, and a bracket purlin 5, and the bracket post 1, the bracket support beam 3, the bracket diagonal beam 4, and the bracket purlin 5 are connected and fixed, respectively. Specifically, as shown in fig. 2, the bracket stand 1 is disposed in the vertical direction, and the bracket support beam 3 is connected to the bracket stand 1 such that both ends of the bracket support beam 3 and the top end of the bracket stand 1 constitute three end points on an inclined plane. Meanwhile, the bracket oblique beams 4 are directly connected with the two ends of the bracket supporting beam 3 and the top ends of the bracket upright posts 1, that is, the plane where the bracket oblique beams 4 are positioned is the inclined plane. And a plurality of bracket purlines 5 are vertically arranged on the bracket oblique beam 4, and the plurality of bracket purlines 5 are uniformly arranged on the bracket oblique beam 4. And each bracket purlin 5 is the same length. Finally, photovoltaic panels 6 are mounted on the purlins 5.
Further, in an alternative embodiment of the present invention, a fixing seat is disposed in the preassembly area, and the photovoltaic bracket is fixed on the fixing seat after the preassembly of the photovoltaic bracket is completed. Specifically, the fixing base may be a tool support 7, and the fixing portion of the tool support 7 for fixing the photovoltaic support is identical to the fixing portion of the pile foundation 2 in structure.
Further, in an alternative embodiment of the present invention, as shown in fig. 1, the photovoltaic brackets and the photovoltaic units 9 may be assembled in the height direction by means of a pre-assembly fixture 8, the pre-assembly fixture 8 being provided in the pre-assembly area. Specifically, the pre-assembling tool 8 may be configured in a stepped manner, and the height of the pre-assembling tool 8 is greater than or equal to the height of the photovoltaic unit 9.
Of course, the person skilled in the art can use the preassembling tool 8 to assemble only the photovoltaic bracket or the photovoltaic unit 9 according to the actual situation, and this embodiment is merely illustrative, but not limited thereto, and can achieve the same technical effects.
Example 2
An embodiment of the present invention provides a mounting system for an offshore photovoltaic unit, the mounting system comprising:
the pre-assembly area is provided with a special tool; the special tool is used for pre-assembling the photovoltaic bracket; the details of the foregoing embodiments are set forth in the description below.
The installation ship is used for carrying out integral hoisting operation on the photovoltaic units 9 at sea; the photovoltaic unit 9 comprises a photovoltaic panel 6 and a photovoltaic bracket which are fixed with each other. The details of the foregoing embodiments are set forth in the description below.
Further, in an alternative embodiment of the invention, the mounting system further comprises a pre-assembly fixture 8, the pre-assembly fixture 8 being used for assembling the photovoltaic bracket and the photovoltaic unit 9 in the height direction. The details of the foregoing embodiments are set forth in the description below.
Compared with direct installation on the water surface, the photovoltaic bracket is greatly influenced by environmental conditions, and the embodiment of the invention performs the whole hoisting operation after the preassembling is completed by directly performing the preassembling operation on the photovoltaic bracket in the preassembling area. In this way, the device is not influenced by the complex marine environment in the sea area during preassembly, and the efficiency and the safety of operators can be improved through special tools. Meanwhile, the window period can be fully utilized when the device is integrally installed on the sea, so that the offshore operation efficiency and the construction safety are improved. Furthermore, the single bracket unit after assembly is taken as a whole for installation, so that the design intention is not changed, and meanwhile, the stress in the installation process is reasonable.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the various aspects of the invention will be apparent to persons of ordinary skill in the art upon reading the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.

Claims (10)

1. A method of installing an offshore photovoltaic unit, comprising:
a special tool is arranged in the preassembling area to preassemble the photovoltaic bracket;
after the preassembly is completed, the photovoltaic panel (6) is fixed on a photovoltaic bracket to form a photovoltaic unit (9);
and carrying out integral hoisting operation on the photovoltaic unit (9) at sea.
2. The installation method according to claim 1, wherein the pre-assembled area is located at a dock or on an installation vessel.
3. The mounting method according to claim 2, wherein the photovoltaic bracket comprises a bracket column (1), a bracket supporting beam (3), a bracket oblique beam (4) and a bracket purline (5), and the bracket column (1), the bracket supporting beam (3), the bracket oblique beam (4) and the bracket purline (5) are respectively connected and fixed.
4. A method of mounting according to any one of claims 1 to 3, wherein a fixing base is provided in the preassembly area, and the photovoltaic bracket is fixed to the fixing base after the preassembly of the photovoltaic bracket is completed.
5. The installation method according to claim 4, wherein the fixing base is a tool support (7), and the fixing portion of the tool support (7) for fixing the photovoltaic support is identical to the fixing portion of the pile foundation (2).
6. A mounting method according to any one of claims 1-3, characterized in that the photovoltaic bracket and/or the photovoltaic unit (9) is assembled in the height direction with a pre-assembly fixture (8).
7. The mounting method according to claim 6, wherein the pre-assembly fixture (8) is arranged in a step-like manner, and the height of the pre-assembly fixture (8) is equal to or greater than the height of the photovoltaic unit (9).
8. A method of installation according to claim 2 or 3, characterized in that said performing the integral hoisting operation of the photovoltaic unit (9) at sea comprises:
when the preassembled area is positioned on the wharf, the photovoltaic unit (9) is refuted from the wharf to the installation vessel;
after the photovoltaic units (9) are inverted from the wharf to the installation vessel, or when the preassembly area is located on the installation vessel, the photovoltaic units (9) are taken as a whole, and the installation vessel is utilized to carry out integral hoisting operation on the sea, so that a preset distance exists between two adjacent photovoltaic units (9).
9. A mounting system for an offshore photovoltaic unit, comprising:
the pre-assembly area is provided with a special tool; the special tool is used for pre-assembling the photovoltaic bracket;
the installation ship is used for carrying out integral hoisting operation on the photovoltaic unit (9) at sea; the photovoltaic unit (9) comprises a photovoltaic panel (6) and a photovoltaic bracket which are fixed with each other.
10. The mounting system of claim 9, further comprising:
the preassembling tool (8) is used for assembling the photovoltaic bracket and/or the photovoltaic unit (9) in the height direction.
CN202211709177.XA 2022-12-29 2022-12-29 Installation method and installation system of offshore photovoltaic unit Pending CN116131726A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211709177.XA CN116131726A (en) 2022-12-29 2022-12-29 Installation method and installation system of offshore photovoltaic unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211709177.XA CN116131726A (en) 2022-12-29 2022-12-29 Installation method and installation system of offshore photovoltaic unit

Publications (1)

Publication Number Publication Date
CN116131726A true CN116131726A (en) 2023-05-16

Family

ID=86305848

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211709177.XA Pending CN116131726A (en) 2022-12-29 2022-12-29 Installation method and installation system of offshore photovoltaic unit

Country Status (1)

Country Link
CN (1) CN116131726A (en)

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