Vector angle adjusting method and system for offshore photovoltaic supporting device

Abstract

The embodiment of the invention relates to the technical field of photovoltaic adjustment, and particularly discloses a method and a system for adjusting a vector angle of an offshore photovoltaic supporting device. According to the embodiment of the invention, real-time environment perception is carried out on the offshore photovoltaic area by determining the offshore photovoltaic area; based on the environment perception data, carrying out support stability analysis, and determining a stable angle range; based on the environmental perception data, photovoltaic optimization analysis is carried out, and a target vector angle is determined; and according to the target vector angle, vector angle adjustment is carried out on the plurality of photovoltaic support devices, and dynamic optimization adjustment is carried out in a stable angle range. Real-time environment perception can be performed on an offshore photovoltaic area, support stability analysis is performed based on environment perception data, a stable angle range is determined, a target vector angle is determined in the stable angle range, and dynamic optimization adjustment is performed, so that the safety of photovoltaic support is improved under the condition of ensuring that photovoltaic power generation meets the requirements; and the risk of damage to the photovoltaic module is effectively avoided.

Description

Technical Field

[0001] The present invention belongs to the technical field of photovoltaic regulation, and in particular relates to a method and system for adjusting the vector angle of an offshore photovoltaic support device. Background Art

[0002] Offshore photovoltaic support adjustment refers to optimizing the orientation and position of photovoltaic modules by adjusting the angle, height or other parameters of photovoltaic brackets, thereby improving the efficiency of photovoltaic modules in absorbing sunlight, increasing power generation, and ensuring the safe and stable operation of photovoltaic power stations. It is usually based on real-time meteorological data, sun position forecasts, and the operating status of photovoltaic power stations.

[0003] In the prior art, the vector angle adjustment of the offshore photovoltaic support device is only for improving the angle analysis of sunlight absorption. Although it can maximize the absorption efficiency of photovoltaic modules for sunlight and increase power generation, it does not take into account the changes in the offshore environment, which may lead to insufficient safety of photovoltaic support and the risk of damage to photovoltaic modules. Summary of the invention

[0004] The purpose of the embodiments of the present invention is to provide a method and system for adjusting the vector angle of an offshore photovoltaic support device, aiming to solve the problems raised in the background technology.

[0005] To achieve the above objectives, the embodiments of the present invention provide the following technical solutions: A method for adjusting the vector angle of an offshore photovoltaic support device, the method specifically comprising the following steps: Determine an offshore photovoltaic area, perform real-time environmental perception of the offshore photovoltaic area, and collect environmental perception data of the offshore photovoltaic area; Based on the environmental perception data, a support stability analysis is performed on the vector angle adjustment of the offshore photovoltaic support to determine a stable angle range; Based on the environmental perception data, a photovoltaic optimization analysis is performed on the vector angle adjustment of the offshore photovoltaic support to determine a target vector angle; According to the target vector angle, vector angles of multiple photovoltaic support devices in the offshore photovoltaic area are adjusted, and dynamic optimization and adjustment are performed within the stable angle range.

[0006] As a further limitation of the technical solution of the embodiment of the present invention, the determining of the offshore photovoltaic area, performing real-time environmental perception of the offshore photovoltaic area, and collecting environmental perception data of the offshore photovoltaic area specifically include the following steps: Identify offshore PV areas; Acquiring regional geographic data of the offshore photovoltaic area; According to the regional geographic data, real-time environmental perception of the offshore photovoltaic area is performed, and environmental perception data of the offshore photovoltaic area is collected.

[0007] As a further limitation of the technical solution of the embodiment of the present invention, the real-time environmental perception of the offshore photovoltaic area according to the regional geographic data and the collection of environmental perception data of the offshore photovoltaic area specifically include the following steps: According to the regional geographic data, real-time wind direction sensing is performed on the offshore photovoltaic area, and wind direction sensing data is collected; According to the regional geographic data, real-time wind speed sensing is performed on the offshore photovoltaic area, and wind speed sensing data is collected; According to the regional geographic data, real-time sun position sensing is performed on the offshore photovoltaic area to collect sun position data; The wind direction perception data, the wind speed perception data and the sun position data are integrated to generate environmental perception data.

[0008] As a further limitation of the technical solution of the embodiment of the present invention, the support stability analysis of the vector angle adjustment of the offshore photovoltaic support based on the environmental perception data and determining the stable angle range specifically include the following steps: Importing offshore photovoltaic parameters corresponding to the offshore photovoltaic area; Based on the offshore photovoltaic parameters, construct an offshore photovoltaic model; Importing the environmental sensing data to generate a photovoltaic environment model; In the photovoltaic environment model, a simulation analysis of support stability is performed on the vector angle adjustment of offshore photovoltaic supports to determine the stable angle range.

[0009] As a further limitation of the technical solution of the embodiment of the present invention, the photovoltaic optimization analysis of the vector angle adjustment of the offshore photovoltaic support based on the environmental perception data to determine the target vector angle specifically includes the following steps: Obtaining power generation demand information for photovoltaic power generation; Based on the power generation demand information, in the photovoltaic environment model, a simulation analysis of the photovoltaic orientation is performed on the vector angle adjustment of the offshore photovoltaic support to determine the demand angle range; From the required angle range, an optimal target vector angle is selected.

[0010] As a further limitation of the technical solution of the embodiment of the present invention, the vector angle adjustment of the multiple photovoltaic support devices in the offshore photovoltaic area according to the target vector angle and the dynamic optimization adjustment within the stable angle range specifically include the following steps: generating an angle adjustment signal according to the target vector angle; performing vector angle adjustment on a plurality of photovoltaic support devices in the offshore photovoltaic area according to the angle adjustment signal; Within the stable angle range, dynamically optimizing and analyzing the target vector angle to determine an optimized vector angle; According to the optimized vector angle, multiple photovoltaic support devices in the offshore photovoltaic area are dynamically optimized and adjusted.

[0011] A vector angle adjustment system for an offshore photovoltaic support device, the system comprising an environment sensing and collecting unit, a support stability analysis unit, a photovoltaic optimization analysis unit and a dynamic optimization adjustment unit, wherein: An environmental perception collection unit is used to determine an offshore photovoltaic area, perform real-time environmental perception of the offshore photovoltaic area, and collect environmental perception data of the offshore photovoltaic area; A support stability analysis unit, configured to perform support stability analysis on the vector angle adjustment of the offshore photovoltaic support based on the environmental perception data, and determine a stable angle range; A photovoltaic optimization analysis unit, configured to perform photovoltaic optimization analysis on the vector angle adjustment of the offshore photovoltaic support based on the environmental sensing data, and determine a target vector angle; The dynamic optimization adjustment unit is used to adjust the vector angle of multiple photovoltaic support devices in the offshore photovoltaic area according to the target vector angle, and perform dynamic optimization adjustment within the stable angle range.

[0012] As a further limitation of the technical solution of the embodiment of the present invention, the environment perception collection unit specifically includes: A region determination module, used to determine offshore photovoltaic regions; A data acquisition module, used to acquire regional geographic data of the offshore photovoltaic area; The environment perception module is used to perform real-time environment perception of the offshore photovoltaic area according to the regional geographic data, and collect environment perception data of the offshore photovoltaic area.

[0013] As a further limitation of the technical solution of the embodiment of the present invention, the support stability analysis unit specifically includes: A parameter import module, used for importing offshore photovoltaic parameters corresponding to the offshore photovoltaic area; A model building module, used for building an offshore photovoltaic model based on the offshore photovoltaic parameters; A data import module, used to import the environmental sensing data and generate a photovoltaic environment model; The support stability analysis module is used to perform support stability simulation analysis on the vector angle adjustment of offshore photovoltaic support in the photovoltaic environment model to determine the stable angle range.

[0014] As a further limitation of the technical solution of the embodiment of the present invention, the dynamic optimization adjustment unit specifically includes: A signal generating module, used for generating an angle adjustment signal according to the target vector angle; An angle adjustment module, used to perform vector angle adjustment on a plurality of photovoltaic support devices in the offshore photovoltaic area according to the angle adjustment signal; An optimization analysis module is used to perform dynamic optimization analysis on the target vector angle within the stable angle range to determine the optimized vector angle; The optimization and adjustment module is used to dynamically optimize and adjust multiple photovoltaic support devices in the offshore photovoltaic area according to the optimization vector angle.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The embodiment of the present invention determines the offshore photovoltaic area and performs real-time environmental perception of the offshore photovoltaic area; performs support stability analysis based on the environmental perception data to determine the stable angle range; performs photovoltaic optimization analysis based on the environmental perception data to determine the target vector angle; and adjusts the vector angles of multiple photovoltaic support devices according to the target vector angle, and performs dynamic optimization adjustment within the stable angle range. It is possible to perform real-time environmental perception of the offshore photovoltaic area, perform support stability analysis based on the environmental perception data to determine the stable angle range, and then determine the target vector angle within the stable angle range, and perform dynamic optimization adjustment, thereby improving the safety of photovoltaic support and effectively avoiding the risk of damage to photovoltaic components while ensuring that photovoltaic power generation meets demand. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention.

[0017] Figure 1 A flow chart of a method provided by an embodiment of the present invention is shown.

[0018] Figure 2 A flow chart of performing real-time environment perception in a method provided by an embodiment of the present invention is shown.

[0019] Figure 3 A flow chart of collecting environmental perception data in the method provided in an embodiment of the present invention is shown.

[0020] Figure 4 A flow chart of supporting stability analysis in the method provided by an embodiment of the present invention is shown.

[0021] Figure 5A flow chart of photovoltaic optimization analysis in the method provided by an embodiment of the present invention is shown.

[0022] Figure 6 A flow chart of adjusting the vector angle in the method provided by an embodiment of the present invention is shown.

[0023] Figure 7 The application architecture diagram of the system provided by the embodiment of the present invention is shown.

[0024] Figure 8 The structure block diagram of the environment perception collection unit in the system provided by the embodiment of the present invention is shown.

[0025] Fig. 9 A structural block diagram of a support stability analysis unit in a system provided by an embodiment of the present invention is shown.

[0026] Fig.10 The structure block diagram of the dynamic optimization and adjustment unit in the system provided by the embodiment of the present invention is shown. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0028] It is understandable that in the prior art, the vector angle adjustment of the offshore photovoltaic support device is only for improving the angle analysis of sunlight absorption. Although it can maximize the absorption efficiency of photovoltaic modules for sunlight and increase power generation, it does not take into account the changes in the offshore environment, which may lead to insufficient safety of photovoltaic support and the risk of damage to photovoltaic modules.

[0029] To solve the above problems, the embodiments of the present invention determine the offshore photovoltaic area, perform real-time environmental perception of the offshore photovoltaic area, and collect environmental perception data of the offshore photovoltaic area; based on the environmental perception data, perform support stability analysis on the vector angle adjustment of the offshore photovoltaic support to determine the stable angle range; based on the environmental perception data, perform photovoltaic optimization analysis on the vector angle adjustment of the offshore photovoltaic support to determine the target vector angle; according to the target vector angle, perform vector angle adjustment on multiple photovoltaic support devices in the offshore photovoltaic area, and perform dynamic optimization adjustment within the stable angle range. It is possible to perform real-time environmental perception of the offshore photovoltaic area, perform support stability analysis based on the environmental perception data, determine the stable angle range, and then determine the target vector angle within the stable angle range, and perform dynamic optimization adjustment, thereby improving the safety of the photovoltaic support and effectively avoiding the risk of damage to the photovoltaic components while ensuring that photovoltaic power generation meets the demand.

[0030] Figure 1 A flow chart of a method provided by an embodiment of the present invention is shown.

[0031] Specifically, a method for adjusting the vector angle of an offshore photovoltaic support device comprises the following steps: Step S101, determining an offshore photovoltaic area, performing real-time environmental perception on the offshore photovoltaic area, and collecting environmental perception data of the offshore photovoltaic area.

[0032] In an embodiment of the present invention, by determining the offshore photovoltaic area where the vector angle adjustment of the offshore photovoltaic support device is required, the regional geographic data of the offshore photovoltaic area is obtained, and then according to the regional geographic data, real-time wind direction perception, wind speed perception, sun position perception and other environmental perception processing are performed on the offshore photovoltaic area, and the wind direction perception data, wind speed perception data and sun position data of the offshore photovoltaic area are collected, and then the wind direction perception data, wind speed perception data and sun position data are comprehensively sorted to generate environmental perception data of the offshore photovoltaic area.

[0033] Specifically, Figure 2 A flow chart of performing real-time environment perception in a method provided by an embodiment of the present invention is shown.

[0034] Among them, in the preferred embodiment provided by the present invention, the determining of the offshore photovoltaic area, performing real-time environmental perception of the offshore photovoltaic area, and collecting environmental perception data of the offshore photovoltaic area specifically include the following steps: Step S1011, determining an offshore photovoltaic area; Step S1012, obtaining regional geographic data of the offshore photovoltaic area; Step S1013: performing real-time environmental perception of the offshore photovoltaic area according to the regional geographic data, and collecting environmental perception data of the offshore photovoltaic area.

[0035] Specifically, Figure 3 A flow chart of collecting environmental perception data in the method provided in an embodiment of the present invention is shown.

[0036] Among them, in the preferred embodiment provided by the present invention, the real-time environmental perception of the offshore photovoltaic area is performed according to the regional geographic data, and the environmental perception data of the offshore photovoltaic area is collected, which specifically includes the following steps: Step S10131, performing real-time wind direction sensing for the offshore photovoltaic area according to the regional geographic data, and collecting wind direction sensing data; Step S10132, performing real-time wind speed sensing on the offshore photovoltaic area according to the regional geographic data, and collecting wind speed sensing data; Step S10133, performing real-time sun position sensing for the offshore photovoltaic area according to the regional geographic data, and collecting sun position data; Step S10134, integrating the wind direction perception data, the wind speed perception data and the sun position data to generate environment perception data; Specifically, the step of generating environmental perception data by integrating the wind direction perception data, the wind speed perception data and the sun position data specifically includes the following sub-steps: Based on the wind direction, the cosine value and sine value of the wind direction are obtained by calculation; Based on the cosine value of the wind direction and in combination with the first correction factor of the wind direction, a corrected cosine value of the wind direction is calculated; Multiply the corrected cosine value of the wind direction by the wind speed to obtain a first wind direction correction value; Based on the sine value of the wind direction and in combination with a second correction factor of the wind direction, a corrected sine value of the wind direction is calculated; Multiply the corrected sine value of the wind direction by the wind speed to obtain a second wind direction correction value; Adding the square of the first wind direction correction value to the square of the second wind direction correction value to obtain a correction result of the wind direction; Based on the incident angle of the sun ray, the cosine value of the incident angle of the sun ray and the sine value of the incident angle of the sun ray are calculated; Based on the cosine value of the solar incident angle and the correction factor of the solar incident angle, the correction result of the solar incident angle is calculated; The correction result of the incident angle of the sun's rays and the correction result of the wind direction are combined to obtain environmental perception data.

[0037] Furthermore, the offshore photovoltaic support device vector angle adjustment method further includes the following steps: Step S102: Based on the environmental perception data, a support stability analysis is performed on the vector angle adjustment of the offshore photovoltaic support to determine a stable angle range.

[0038] In an embodiment of the present invention, a simulation model environment is created, and offshore photovoltaic parameters such as support height, support force, shape, size, density, etc. corresponding to the offshore photovoltaic area are imported into the simulation model environment. Then, in the simulation model environment, the offshore photovoltaic parameters are modeled to construct an offshore photovoltaic model, and then environmental perception data is imported to generate a photovoltaic environment model. Then, in the photovoltaic environment model, a simulation analysis of support stability is performed on the vector angle adjustment of the offshore photovoltaic support to determine the stable angle range in which all offshore photovoltaic supports in the offshore photovoltaic area meet safety conditions.

[0039] Specifically, Figure 4A flow chart of supporting stability analysis in the method provided by an embodiment of the present invention is shown.

[0040] Among them, in the preferred embodiment provided by the present invention, the support stability analysis of the vector angle adjustment of the offshore photovoltaic support based on the environmental perception data and determining the stable angle range specifically include the following steps: Step S1021, importing offshore photovoltaic parameters corresponding to the offshore photovoltaic area; Step S1022, constructing an offshore photovoltaic model based on the offshore photovoltaic parameters; Step S1023, importing the environmental perception data to generate a photovoltaic environment model; Step S1024, in the photovoltaic environment model, a simulation analysis of support stability is performed on the vector angle adjustment of the offshore photovoltaic support to determine a stable angle range.

[0041] Specifically, in the process of performing simulation analysis on support stability of vector angle adjustment of offshore photovoltaic support and determining the range of stable angle, a stability coefficient is obtained by calculation, and the range of stable angle is determined based on the stability coefficient; The specific steps for calculating the stability coefficient are as follows: Determine the basic windward area and drag coefficient through the offshore photovoltaic support device, obtain the air density and basic wind speed value, and determine the windward direction, wind direction angle and weight of the device itself during normal operation of the offshore photovoltaic support device; Based on the basic windward area and the sine value of the wind direction angle, the corrected windward area factor is calculated; Based on the wind direction angle, the sine value of the wind direction angle is calculated by a sine function, and then the basic wind speed value is adjusted by the sine value of the wind direction angle to obtain the adjusted wind speed value; Determine the wind speed adjustment value according to the cosine value of the wind direction angle; Add the adjusted wind speed value to the wind speed adjustment value to obtain a corrected wind speed value; The cosine value and sine value of the wind force are calculated based on the windward direction and the wind direction angle; The horizontal component of the wind force is calculated based on the cosine value of the wind force, and the vertical component of the wind force is calculated based on the sine value of the wind force; The wind force vector is obtained by combining the horizontal component of the wind force and the vertical component of the wind force. Calculate and obtain the wind additional load based on the basic wind speed value, wind direction angle and the vector angle of the photovoltaic support; Add the weight of the device itself to the additional wind load to get the total dynamic load; The total force of the wind on the device is calculated by combining the air density, drag coefficient, corrected frontal area factor, corrected wind speed value and wind vector, and then the total force of the wind on the device is divided by the total dynamic load to obtain the stability coefficient.

[0042] Furthermore, the offshore photovoltaic support device vector angle adjustment method further includes the following steps: Step S103: Based on the environmental perception data, photovoltaic optimization analysis is performed on the vector angle adjustment of the offshore photovoltaic support to determine the target vector angle.

[0043] In an embodiment of the present invention, power generation demand information of photovoltaic power generation is obtained, and then based on the power generation demand information, a simulation analysis of the photovoltaic orientation is performed on the vector angle adjustment of the offshore photovoltaic support in the photovoltaic environment model to determine the demand angle range that can meet the power generation demand, and then from the demand angle range, the target vector angle with the largest contact area between the photovoltaic panel and the sunlight is selected.

[0044] Specifically, Figure 5 A flow chart of photovoltaic optimization analysis in the method provided by an embodiment of the present invention is shown.

[0045] Among them, in the preferred embodiment provided by the present invention, the photovoltaic optimization analysis is performed on the vector angle adjustment of the offshore photovoltaic support based on the environmental perception data, and determining the target vector angle specifically includes the following steps: Step S1031, obtaining power generation demand information of photovoltaic power generation; Step S1032, based on the power generation demand information, in the photovoltaic environment model, a simulation analysis of the photovoltaic orientation is performed on the vector angle adjustment of the offshore photovoltaic support to determine the demand angle range; Step S1033, selecting the optimal target vector angle from the required angle range; Specifically, based on the power generation demand information, in the photovoltaic environment model, the photovoltaic orientation simulation analysis is performed on the vector angle adjustment of the offshore photovoltaic support, and the specific steps of determining the demand angle range are as follows: Obtain the incident solar radiation intensity, the effective area of ​​the photovoltaic panel and the fixed angle offset; Based on the fixed angle offset and the orientation of the photovoltaic panel, an angle difference is calculated; and the angle difference is corrected using a first correction factor to obtain a corrected angle difference value; The energy conversion efficiency is determined based on the material and working parameters of the photovoltaic panel; Correcting the cosine value of the incident angle of the sun's rays by a second correction factor to obtain a corrected cosine value of the incident angle of the sun's rays; The photovoltaic power generation efficiency is calculated by comprehensively considering the incident solar radiation intensity, the effective area of ​​the photovoltaic panel, the corrected angle difference value, the energy conversion efficiency and the corrected cosine value of the incident angle of the sun's rays; Based on the photovoltaic power generation efficiency and power generation demand information, the vector angle of offshore photovoltaic support is determined, and then the demand angle range is determined.

[0046] Furthermore, the offshore photovoltaic support device vector angle adjustment method further includes the following steps: Step S104, adjusting the vector angles of the plurality of photovoltaic support devices in the offshore photovoltaic area according to the target vector angle, and performing dynamic optimization adjustment within the stable angle range.

[0047] In an embodiment of the present invention, an angle adjustment signal is generated according to a target vector angle, and then vector angles of multiple photovoltaic support devices in an offshore photovoltaic area are adjusted according to the angle adjustment signal. In a subsequent process, a stable angle range is used as a safe angle range, and a dynamic optimization analysis is performed on the target vector angle to determine an optimized vector angle. Then, according to the optimized vector angle, dynamic optimization and adjustment are performed on multiple photovoltaic support devices in the offshore photovoltaic area, so that the photovoltaic power generation efficiency can be improved as much as possible while multiple photovoltaic support devices in the offshore photovoltaic area can be safely supported.

[0048] Specifically, Figure 6 A flow chart of adjusting the vector angle in the method provided by an embodiment of the present invention is shown.

[0049] Among them, in the preferred embodiment provided by the present invention, the vector angle adjustment of the multiple photovoltaic support devices in the offshore photovoltaic area according to the target vector angle and the dynamic optimization adjustment within the stable angle range specifically include the following steps: Step S1041, generating an angle adjustment signal according to the target vector angle; Step S1042, performing vector angle adjustment on a plurality of photovoltaic support devices in the offshore photovoltaic area according to the angle adjustment signal; Step S1043, performing dynamic optimization analysis on the target vector angle within the stable angle range to determine an optimized vector angle; Step S1044, dynamically optimizing and adjusting a plurality of photovoltaic support devices in the offshore photovoltaic area according to the optimized vector angle; Specifically, in the process of dynamically optimizing and analyzing the target vector angle within the stable angle range and determining the optimized vector angle, the following sub-steps are specifically included: The projection area of ​​effective light on the photovoltaic panel is calculated using the cosine law to obtain the projection ratio. The basic output power is calculated based on the projection ratio and the rated power of the photovoltaic panel. When the target vector angle is given, the sine value of the target vector angle and the cosine value of the target vector angle are calculated; The correction factor is obtained by combining the preset parameters with the sine value of the target vector angle; Multiply the correction factor by the basic output power to obtain the corrected output power; The sine value of the target vector angle and the cosine value of the target vector angle are combined and algebraically operated to obtain a target vector angle parameter; The target vector angle parameter is adjusted using the nonlinear correction factor to obtain a nonlinear adjustment factor; Combining the corrected output power and the nonlinear adjustment factor to obtain an adjusted output power; The target vector angle is adjusted to maximize the adjusted output power, and the angle corresponding to the maximized adjusted output power is used as the optimal vector angle.

[0050] Furthermore, Figure 7 The application architecture diagram of the system provided by the embodiment of the present invention is shown.

[0051] Among them, in another preferred embodiment provided by the present invention, the vector angle adjustment system of the offshore photovoltaic support device includes: The environment perception collection unit 101 is used to determine an offshore photovoltaic area, perform real-time environment perception on the offshore photovoltaic area, and collect environment perception data of the offshore photovoltaic area.

[0052] In an embodiment of the present invention, the environmental perception collection unit 101 obtains the regional geographic data of the offshore photovoltaic area by determining the offshore photovoltaic area where the vector angle adjustment of the offshore photovoltaic support device is required, and then performs real-time environmental perception processing such as wind direction perception, wind speed perception and sun position perception on the offshore photovoltaic area according to the regional geographic data, collects wind direction perception data, wind speed perception data and sun position data of the offshore photovoltaic area, and then comprehensively organizes the wind direction perception data, wind speed perception data and sun position data to generate environmental perception data of the offshore photovoltaic area.

[0053] Specifically, Figure 8 It shows a structural block diagram of the environment perception collection unit 101 in the system provided by an embodiment of the present invention.

[0054] Among them, in the preferred embodiment provided by the present invention, the environment perception collection unit 101 specifically includes: The region determination module 1011 is used to determine the offshore photovoltaic region; A data acquisition module 1012 is used to acquire regional geographic data of the offshore photovoltaic area; The environment perception module 1013 is used to perform real-time environment perception of the offshore photovoltaic area according to the regional geographic data, and collect environment perception data of the offshore photovoltaic area.

[0055] Furthermore, the offshore photovoltaic support device vector angle adjustment system also includes: The support stability analysis unit 102 is used to perform support stability analysis on the vector angle adjustment of the offshore photovoltaic support based on the environmental perception data to determine the stability angle range.

[0056] In an embodiment of the present invention, the support stability analysis unit 102 creates a simulation model environment, in which the offshore photovoltaic parameters such as support height, support force, shape, size, density, etc. corresponding to the offshore photovoltaic area are imported, and then in the simulation model environment, the offshore photovoltaic parameters are modeled to construct an offshore photovoltaic model, and then the environmental perception data is imported to generate a photovoltaic environment model, and then in the photovoltaic environment model, the vector angle adjustment of the offshore photovoltaic support is simulated and analyzed for support stability to determine the stable angle range in which all offshore photovoltaic supports in the offshore photovoltaic area meet safety conditions.

[0057] Specifically, Fig. 9 It shows a structural block diagram of the support stability analysis unit 102 in the system provided by an embodiment of the present invention.

[0058] Among them, in the preferred embodiment provided by the present invention, the support stability analysis unit 102 specifically includes: A parameter import module 1021 is used to import offshore photovoltaic parameters corresponding to the offshore photovoltaic area; A model building module 1022 is used to build an offshore photovoltaic model based on the offshore photovoltaic parameters; A data import module 1023 is used to import the environmental sensing data and generate a photovoltaic environment model; The support stability analysis module 1024 is used to perform support stability simulation analysis on the vector angle adjustment of the offshore photovoltaic support in the photovoltaic environment model to determine the stable angle range.

[0059] Furthermore, the offshore photovoltaic support device vector angle adjustment system also includes: The photovoltaic optimization analysis unit 103 is used to perform photovoltaic optimization analysis on the vector angle adjustment of the offshore photovoltaic support based on the environmental perception data to determine the target vector angle.

[0060] In an embodiment of the present invention, the photovoltaic optimization analysis unit 103 obtains the power generation demand information of photovoltaic power generation, and then based on the power generation demand information, performs a simulation analysis of the photovoltaic orientation on the vector angle adjustment of the offshore photovoltaic support in the photovoltaic environment model to determine the demand angle range that can meet the power generation demand, and then selects the target vector angle with the largest contact area between the photovoltaic panel and the sunlight from the demand angle range.

[0061] The dynamic optimization adjustment unit 104 is used to adjust the vector angles of the multiple photovoltaic support devices in the offshore photovoltaic area according to the target vector angle, and to perform dynamic optimization adjustment within the stable angle range.

[0062] In an embodiment of the present invention, the dynamic optimization adjustment unit 104 generates an angle adjustment signal according to the target vector angle, and then adjusts the vector angles of multiple photovoltaic support devices in the offshore photovoltaic area according to the angle adjustment signal. In the subsequent process, the dynamic optimization adjustment unit 104 uses the stable angle range as the safety angle range, performs dynamic optimization analysis on the target vector angle, determines the optimized vector angle, and then dynamically optimizes and adjusts the multiple photovoltaic support devices in the offshore photovoltaic area according to the optimized vector angle, so that the photovoltaic power generation efficiency can be improved as much as possible while the multiple photovoltaic support devices in the offshore photovoltaic area can be safely supported.

[0063] Specifically, Fig.10 It shows a structural block diagram of the dynamic optimization adjustment unit 104 in the system provided by the embodiment of the present invention.

[0064] Among them, in the preferred embodiment provided by the present invention, the dynamic optimization adjustment unit 104 specifically includes: A signal generating module 1041 is used to generate an angle adjustment signal according to the target vector angle; An angle adjustment module 1042, configured to perform vector angle adjustment on a plurality of photovoltaic support devices in the offshore photovoltaic area according to the angle adjustment signal; An optimization analysis module 1043 is used to perform dynamic optimization analysis on the target vector angle within the stable angle range to determine an optimized vector angle; The optimization and adjustment module 1044 is used to dynamically optimize and adjust the multiple photovoltaic support devices in the offshore photovoltaic area according to the optimization vector angle.

[0065] It should be understood that, although each step in the flow chart of each embodiment of the present invention is shown in sequence according to the indication of the arrow, these steps are not necessarily performed in sequence according to the order indicated by the arrow. Unless there is a clear explanation in this article, the execution of these steps does not have a strict order restriction, and these steps can be performed in other orders. Moreover, at least a portion of the steps in each embodiment may include a plurality of sub-steps or a plurality of stages, and these sub-steps or stages are not necessarily performed at the same time, but can be performed at different times, and the execution order of these sub-steps or stages is not necessarily performed in sequence, but can be performed in turn or alternately with at least a portion of other steps or sub-steps or stages of other steps.

[0066] Those skilled in the art can understand that all or part of the processes in the above-mentioned embodiment methods can be completed by instructing the relevant hardware through a computer program, and the program can be stored in a non-volatile computer-readable storage medium. When the program is executed, it can include the processes of the embodiments of the above-mentioned methods. Among them, any reference to memory, storage, database or other media used in the embodiments provided in this application may include non-volatile and / or volatile memory. Non-volatile memory may include read-only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM) or flash memory. Volatile memory may include random access memory (RAM) or external cache memory. As an illustration and not limitation, RAM is available in many forms, such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).

[0067] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0068] The above-mentioned embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the present invention. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

[0069] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A method for adjusting the vector angle of an offshore photovoltaic support device, characterized in that: The method specifically comprises the following steps: Determine an offshore photovoltaic area, perform real-time environmental perception of the offshore photovoltaic area, and collect environmental perception data of the offshore photovoltaic area; Based on the environmental perception data, a support stability analysis is performed on the vector angle adjustment of the offshore photovoltaic support to determine a stable angle range; Based on the environmental perception data, a photovoltaic optimization analysis is performed on the vector angle adjustment of the offshore photovoltaic support to determine a target vector angle; According to the target vector angle, a plurality of photovoltaic support devices in the offshore photovoltaic area are adjusted in vector angle, and dynamically optimized and adjusted within the stable angle range; The determining of the offshore photovoltaic area, performing real-time environmental perception of the offshore photovoltaic area, and collecting environmental perception data of the offshore photovoltaic area specifically include the following steps: Identify offshore PV areas; Acquiring regional geographic data of the offshore photovoltaic area; According to the regional geographic data, real-time environmental perception of the offshore photovoltaic area is performed, and environmental perception data of the offshore photovoltaic area is collected.

2. The method for adjusting the vector angle of an offshore photovoltaic support device according to claim 1, characterized in that: The real-time environmental perception of the offshore photovoltaic area according to the regional geographic data and the collection of environmental perception data of the offshore photovoltaic area specifically include the following steps: According to the regional geographic data, real-time wind direction sensing is performed on the offshore photovoltaic area, and wind direction sensing data is collected; According to the regional geographic data, real-time wind speed sensing is performed on the offshore photovoltaic area, and wind speed sensing data is collected; According to the regional geographic data, real-time sun position sensing is performed on the offshore photovoltaic area to collect sun position data; The wind direction perception data, the wind speed perception data and the sun position data are integrated to generate environmental perception data.

3. The method for adjusting the vector angle of an offshore photovoltaic support device according to claim 2, characterized in that: The step of generating environmental perception data by integrating the wind direction perception data, the wind speed perception data and the sun position data specifically includes the following sub-steps: Based on the wind direction, the cosine value and sine value of the wind direction are obtained by calculation; Based on the cosine value of the wind direction and in combination with the first correction factor of the wind direction, a corrected cosine value of the wind direction is calculated; Multiply the corrected cosine value of the wind direction by the wind speed to obtain a first wind direction correction value; Based on the sine value of the wind direction and in combination with a second correction factor of the wind direction, a corrected sine value of the wind direction is calculated; Multiply the corrected sine value of the wind direction by the wind speed to obtain a second wind direction correction value; Adding the square of the first wind direction correction value to the square of the second wind direction correction value to obtain a correction result of the wind direction; Based on the incident angle of the sun ray, the cosine value of the incident angle of the sun ray and the sine value of the incident angle of the sun ray are calculated; Based on the cosine value of the solar incident angle and the correction factor of the solar incident angle, the correction result of the solar incident angle is calculated; The correction result of the incident angle of the sun's rays and the correction result of the wind direction are combined to obtain environmental perception data.

4. The method for adjusting the vector angle of an offshore photovoltaic support device according to claim 3, characterized in that: The step of performing support stability analysis on the vector angle adjustment of the offshore photovoltaic support based on the environmental perception data and determining the stable angle range specifically includes the following steps: Importing offshore photovoltaic parameters corresponding to the offshore photovoltaic area; Based on the offshore photovoltaic parameters, construct an offshore photovoltaic model; Importing the environmental sensing data to generate a photovoltaic environment model; In the photovoltaic environment model, a simulation analysis of support stability is performed on the vector angle adjustment of offshore photovoltaic supports to determine the stable angle range.

5. The method for adjusting the vector angle of an offshore photovoltaic support device according to claim 4, characterized in that: In the process of simulation analysis of support stability for vector angle adjustment of offshore photovoltaic support and determining the range of stable angle, the stability coefficient is obtained by calculation, and the range of stable angle is determined based on the stability coefficient; The specific steps for calculating the stability coefficient are as follows: Determine the basic windward area and drag coefficient through the offshore photovoltaic support device, obtain the air density and basic wind speed value, and determine the windward direction, wind direction angle and weight of the device itself during normal operation of the offshore photovoltaic support device; Based on the basic windward area and the sine value of the wind direction angle, the corrected windward area factor is calculated; Based on the wind direction angle, the sine value of the wind direction angle is calculated by a sine function, and then the basic wind speed value is adjusted by the sine value of the wind direction angle to obtain the adjusted wind speed value; Determine the wind speed adjustment value according to the cosine value of the wind direction angle; Add the adjusted wind speed value to the wind speed adjustment value to obtain a corrected wind speed value; The cosine value and sine value of the wind force are calculated based on the windward direction and the wind direction angle; The horizontal component of the wind force is calculated based on the cosine value of the wind force, and the vertical component of the wind force is calculated based on the sine value of the wind force; The wind force vector is obtained by combining the horizontal component of the wind force and the vertical component of the wind force. Calculate and obtain the wind additional load based on the basic wind speed value, wind direction angle and the vector angle of the photovoltaic support; Add the weight of the device itself to the additional wind load to get the total dynamic load; The total force of the wind on the device is calculated by combining the air density, drag coefficient, corrected frontal area factor, corrected wind speed value and wind vector, and then the total force of the wind on the device is divided by the total dynamic load to obtain the stability coefficient.

6. The method for adjusting the vector angle of an offshore photovoltaic support device according to claim 5, characterized in that: The photovoltaic optimization analysis of the vector angle adjustment of the offshore photovoltaic support based on the environmental perception data to determine the target vector angle specifically includes the following steps: Obtaining power generation demand information for photovoltaic power generation; Based on the power generation demand information, in the photovoltaic environment model, a simulation analysis of the photovoltaic orientation is performed on the vector angle adjustment of the offshore photovoltaic support to determine the demand angle range; From the required angle range, an optimal target vector angle is selected.

7. The method for adjusting the vector angle of an offshore photovoltaic support device according to claim 6, characterized in that: Based on the power generation demand information, in the photovoltaic environment model, the photovoltaic orientation simulation analysis is performed on the vector angle adjustment of the offshore photovoltaic support, and the specific steps of determining the demand angle range are as follows: Obtain the incident solar radiation intensity, the effective area of ​​the photovoltaic panel and the fixed angle offset; Based on the fixed angle offset and the orientation of the photovoltaic panel, the angle difference is calculated; Correcting the angle difference using a first correction factor to obtain a corrected angle difference value; The energy conversion efficiency is determined based on the material and working parameters of the photovoltaic panel; Correcting the cosine value of the incident angle of the sun's rays by a second correction factor to obtain a corrected cosine value of the incident angle of the sun's rays; The photovoltaic power generation efficiency is calculated by comprehensively considering the incident solar radiation intensity, the effective area of ​​the photovoltaic panel, the corrected angle difference value, the energy conversion efficiency and the corrected cosine value of the incident angle of the sun's rays; Based on the photovoltaic power generation efficiency and power generation demand information, the vector angle of offshore photovoltaic support is determined, and then the demand angle range is determined.

8. The method for adjusting the vector angle of an offshore photovoltaic support device according to claim 7, characterized in that: The step of adjusting the vector angles of the plurality of photovoltaic support devices in the offshore photovoltaic area according to the target vector angle and dynamically optimizing and adjusting the vector angles within the stable angle range specifically includes the following steps: generating an angle adjustment signal according to the target vector angle; performing vector angle adjustment on a plurality of photovoltaic support devices in the offshore photovoltaic area according to the angle adjustment signal; Within the stable angle range, dynamically optimizing and analyzing the target vector angle to determine an optimized vector angle; According to the optimized vector angle, multiple photovoltaic support devices in the offshore photovoltaic area are dynamically optimized and adjusted.

9. The method for adjusting the vector angle of an offshore photovoltaic support device according to claim 8, characterized in that: In the stable angle range, the target vector angle is dynamically optimized and analyzed to determine the optimized vector angle, which specifically includes the following sub-steps: The projection area of ​​effective light on the photovoltaic panel is calculated using the cosine law to obtain the projection ratio. The basic output power is calculated based on the projection ratio and the rated power of the photovoltaic panel. When the target vector angle is given, the sine value of the target vector angle and the cosine value of the target vector angle are calculated; The correction factor is obtained by combining the preset parameters with the sine value of the target vector angle; Multiply the correction factor by the basic output power to obtain the corrected output power; The sine value of the target vector angle and the cosine value of the target vector angle are combined and algebraically operated to obtain a target vector angle parameter; The target vector angle parameter is adjusted using the nonlinear correction factor to obtain a nonlinear adjustment factor; Combining the corrected output power and the nonlinear adjustment factor to obtain an adjusted output power; The target vector angle is adjusted to maximize the adjusted output power, and the angle corresponding to the maximized adjusted output power is used as the optimal vector angle.

10. A vector angle adjustment system for an offshore photovoltaic support device, characterized in that: The method for adjusting the vector angle of an offshore photovoltaic support device according to any one of claims 1 to 9 is applied, wherein the system comprises an environment sensing collection unit, a support stability analysis unit, a photovoltaic optimization analysis unit and a dynamic optimization adjustment unit, wherein: An environmental perception collection unit is used to determine an offshore photovoltaic area, perform real-time environmental perception of the offshore photovoltaic area, and collect environmental perception data of the offshore photovoltaic area; A support stability analysis unit, configured to perform support stability analysis on the vector angle adjustment of the offshore photovoltaic support based on the environmental perception data, and determine a stable angle range; A photovoltaic optimization analysis unit, configured to perform photovoltaic optimization analysis on the vector angle adjustment of the offshore photovoltaic support based on the environmental sensing data, and determine a target vector angle; The dynamic optimization adjustment unit is used to adjust the vector angle of multiple photovoltaic support devices in the offshore photovoltaic area according to the target vector angle, and perform dynamic optimization adjustment within the stable angle range.

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