CN-121997744-A - Photovoltaic panel arrangement method, system, computer equipment and storage medium

CN121997744ACN 121997744 ACN121997744 ACN 121997744ACN-121997744-A

Abstract

The invention provides a photovoltaic panel arrangement method, a system, computer equipment and a storage medium, which belong to the field of solar design and comprise the steps of obtaining multi-element data of a target area, obtaining a three-dimensional environment model through BIM modeling, dividing the target area to obtain a plurality of grid units, calculating the central point coordinates of the grid units, wherein the grid units with the central point coordinates in an area boundary correspond to a first screened target area, screening the first screened target area based on a terrain constraint condition, determining the target area after terrain screening, determining the target area after secondary screening by the grid units with photovoltaic panel rectangles falling into the area boundary, rotating the rectangular direction of the photovoltaic panel, carrying out plane offset on the grid units with the photovoltaic panel rectangles falling into the area boundary, determining a grid unit plane offset vector, and constructing a photovoltaic panel arrangement result according to the photovoltaic panel arrangement angle and the grid unit plane offset vector. The method improves the space utilization efficiency and arrangement rationality under complex terrains.

Inventors

LIAO HANCHAO
Yu Bingxiao
CHEN YANG
Jiang Jiaobo
LEI JUNHUI
XIAO WANG
CAO YINXIA

Assignees

长沙学院

Dates

Publication Date: 20260508
Application Date: 20260127

Claims (10)

1. A method of photovoltaic panel placement, comprising: acquiring multi-element data of a target area, and performing BIM modeling on the multi-element data based on the target area through BIM to obtain a three-dimensional environment model, wherein the three-dimensional environment model comprises area boundaries and terrain data of photovoltaic panel arrangement; The method comprises the steps of dividing a target area to obtain a plurality of grid cells with the same size, calculating the center point coordinate of each grid cell, determining the grid cells with the center point coordinate positioned in the area boundary as a target area after primary screening, screening the target area after primary screening based on the terrain constraint condition, determining the grid cells meeting the terrain constraint condition in the target area after primary screening as a target area after terrain screening, setting the reference graph of a photovoltaic panel in the grid cells meeting the terrain constraint condition, and determining a target area after secondary screening by the grid cells with the reference graph of the photovoltaic panel falling into the area boundary; The method comprises the steps of rotating a reference graph direction of a photovoltaic panel based on a terrain constraint condition, determining a photovoltaic panel arrangement angle based on the highest area utilization rate, carrying out plane offset on grid cells of the photovoltaic panel rectangle falling into the boundary of the area based on the terrain constraint condition under the condition of the photovoltaic panel arrangement angle, determining a grid cell plane offset vector based on the highest area utilization rate, and obtaining a photovoltaic panel arrangement result according to the photovoltaic panel arrangement angle and the grid cell plane offset vector.
2. The method of claim 1, wherein constructing a photovoltaic panel arrangement result from the photovoltaic panel arrangement angle and the grid cell plane offset vector comprises: determining the sun position according to the longitude and latitude in the topographic data; Adjusting the inclination angle of the reference graph of the photovoltaic panel, calculating direct radiation quantity based on the reference graph of the photovoltaic panel and the sun position after the inclination angle is adjusted, and determining total energy yield through accumulation of the direct radiation quantity at a plurality of moments; and determining the photovoltaic panel arrangement result according to the photovoltaic panel inclination angle, the photovoltaic panel arrangement angle and the grid cell plane offset vector.
3. The method of arranging a photovoltaic panel according to claim 2, further comprising, after determining the result of arranging the photovoltaic panel from the photovoltaic panel inclination angle, the photovoltaic panel arrangement angle, and the grid cell plane offset vector: Simulating shadow shielding in the grid cells according to the terrain data, calculating shadow scores of a plurality of grid cells according to the shadow shielding, and determining grid cells with the shadows removed by the grid cells with the shadow scores higher than a preset threshold value, wherein the shadow scores are inversely related to the time length of the grid cells affected by the shadow shielding; And optimizing the array spacing of the photovoltaic panel arrangement result through an NSGA-II algorithm based on the generated energy of the photovoltaic panel and the land utilization constraint of the grid unit after the shadow is screened out, so as to obtain the optimized photovoltaic panel arrangement result.
4. The method according to claim 1, wherein the target area is a mountain area, the terrain data includes a gradient value, the first-screened target area is screened based on the terrain constraint condition, and determining grid cells satisfying the terrain constraint condition in the first-screened target area as the terrain-screened target area includes: and screening the terrain screened target area from a grid unit based on the gradient value, wherein the center point coordinate of the grid unit is positioned in the area boundary.
5. The method of photovoltaic panel placement according to claim 4, wherein determining the terrain screened target area from grid cells having a grade value less than a preset grade threshold comprises: Scoring the suitability of the grid cell, wherein the suitability score is inversely related to the gradient of the grid cell and inversely related to the roughness of the grid cell; And determining the target area after terrain screening by the grid units with the suitability scores larger than a preset suitability threshold.
6. The method of arranging photovoltaic panels according to claim 4, further comprising, after determining the terrain screened target area from grid cells satisfying the terrain constraint condition: And determining the target area after terrain screening by using a grid unit with the area of the target area being larger than a preset area threshold, wherein the center point coordinate of the grid unit is positioned in the area boundary.
7. The method according to claim 1, further comprising, after constructing a photovoltaic panel arrangement result from the photovoltaic panel arrangement angle and the grid cell plane offset vector: updating the three-dimensional environment model according to the photovoltaic panel arrangement result to obtain a photovoltaic panel arrangement model; constructing a technical parameter report according to the photovoltaic panel arrangement result; And outputting and displaying the photovoltaic panel layout model and the technical parameter report.
8. A photovoltaic panel arrangement system, comprising: The model construction module is used for acquiring multi-element data of a target area, performing BIM modeling based on the multi-element data of the target area to obtain a three-dimensional environment model, wherein the three-dimensional environment model comprises area boundaries and terrain data of photovoltaic panel arrangement; The grid cell screening module is used for dividing the target area to obtain a plurality of grid cells with the same size, calculating the center point coordinate of each grid cell, determining the grid cell with the center point coordinate positioned in the area boundary as a target area after primary screening, screening the target area after primary screening based on the terrain constraint condition, determining the grid cell meeting the terrain constraint condition in the target area after primary screening as a target area after terrain screening, setting the reference graph of the photovoltaic panel in the grid cell meeting the terrain constraint condition, and determining the target area after secondary screening by the grid cell with the reference graph of the photovoltaic panel falling into the area boundary; the arrangement parameter confirmation module is used for rotating the reference pattern direction of the photovoltaic panel based on the terrain constraint condition, determining the arrangement angle of the photovoltaic panel based on the highest area utilization rate, carrying out plane offset on grid cells of the rectangular photovoltaic panel falling into the boundary of the area based on the terrain constraint condition under the arrangement angle condition of the photovoltaic panel, determining the grid cell plane offset vector based on the highest area utilization rate, and obtaining a photovoltaic panel arrangement result according to the arrangement angle of the photovoltaic panel and the grid cell plane offset vector.
9. A computer device comprising a memory, a processor and a computer program stored on the memory, characterized in that the processor executes the computer program to carry out the steps of a photovoltaic panel arrangement method according to any one of claims 1 to 7.
10. A computer-readable storage medium, on which a computer program is stored, characterized in that the computer program, when loaded by a processor, is capable of performing the steps of a photovoltaic panel arrangement method according to any one of claims 1 to 7.

Description

Photovoltaic panel arrangement method, system, computer equipment and storage medium Technical Field The invention belongs to the field of solar energy design, and particularly relates to a photovoltaic panel arrangement method, a photovoltaic panel arrangement system, computer equipment and a storage medium. Background The arrangement of the solar photovoltaic panels refers to the technical process of arranging design, inclination angle adjustment and space optimization of photovoltaic modules according to the geographic environment, spatial characteristics and illumination conditions of an installation site. The core aim of the solar energy generation system is to maximize solar radiation receiving efficiency, improve the generated energy and simultaneously consider land utilization efficiency, structural safety and economy. With the widespread use of photovoltaic technology, deployment schemes have evolved from early manual empirical, extensive design to digital, fine and automated guided system engineering. Along with the development of modeling technology, the prior art often builds a three-dimensional model based on high-definition satellite maps and unmanned aerial vehicle aerial photographing data, and generates shadow tracks by combining shielding sources, so that different photovoltaic panel arrangement strategies are provided for different arrangement scenes. However, the prior art is mostly suitable for regular terrains, and in complex terrains such as mountain areas and water surfaces, the terrain adaptability and the arrangement density are difficult to balance, and the space utilization rate is limited. Disclosure of Invention The invention provides a photovoltaic panel arrangement method, a system, computer equipment and a storage medium, which are used for solving the problem that the utilization rate of the photovoltaic panel arrangement space in the existing complex terrain is limited. In order to achieve the above object, the present invention provides the following technical solutions: A photovoltaic panel arrangement method, comprising: Acquiring multi-element data of a target area, and performing BIM modeling based on the multi-element data of the target area to obtain a three-dimensional environment model, wherein the three-dimensional environment model comprises area boundaries and terrain data of photovoltaic panel arrangement; The method comprises the steps of dividing a target area to obtain a plurality of grid cells with the same size, calculating the center point coordinate of each grid cell, determining the grid cell with the center point coordinate in an area boundary as a target area after primary screening, screening the target area after primary screening based on a terrain constraint condition, determining the grid cell meeting the terrain constraint condition in the target area after primary screening as the target area after terrain screening, setting a reference graph of a photovoltaic panel in the grid cell meeting the terrain constraint condition, and determining the target area after secondary screening by the grid cell with the reference graph of the photovoltaic panel falling into the area boundary; The method comprises the steps of rotating a reference pattern direction of a photovoltaic panel based on a terrain constraint condition, determining a photovoltaic panel arrangement angle based on the highest area utilization rate, carrying out plane offset on grid cells of a photovoltaic panel rectangle falling into a boundary of an area based on the terrain constraint condition under the condition of the photovoltaic panel arrangement angle, determining a grid cell plane offset vector based on the highest area utilization rate, and obtaining a photovoltaic panel arrangement result according to the photovoltaic panel arrangement angle and the grid cell plane offset vector. Optionally, the photovoltaic panel arrangement method provided by the invention further includes: Determining the sun position according to the longitude and latitude in the topographic data; The inclination angle of the reference graph of the photovoltaic panel is adjusted, direct radiation quantity is calculated based on the reference graph of the photovoltaic panel and the sun position after the inclination angle is adjusted, and total energy yield is determined through accumulation of the direct radiation quantity at a plurality of moments; And determining a photovoltaic panel arrangement result according to the photovoltaic panel inclination angle, the photovoltaic panel arrangement angle and the grid cell plane offset vector. Optionally, the photovoltaic panel arrangement method provided by the invention further includes: Simulating shadow shielding in the grid cells according to the terrain data, calculating shadow scores of a plurality of grid cells according to the shadow shielding, and determining the grid cells from which the shadows are screened out by the grid cells with the shadow sco