Photovoltaic power generation facility maintenance system, photovoltaic power generation facility maintenance program and photovoltaic power generation facility maintenance method

Abstract

To prevent power generation efficiency of a photovoltaic power generation system from lowering.SOLUTION: In a photovoltaic power generation facility maintenance system 100, a server 200 includes: a solar panel comparison determination part 430 for comparing an old three-dimensional model of a solar panel block S with a new three-dimensional model of the same solar panel block newly created in photogrammetry and determining a part that is not the same; and an insurance fee calculation part 440 for calculating an insurance fee on the basis of determination of the solar panel comparison determination part 430. When the solar panel comparison determination part 430 determines that the old three-dimensional model and the new three-dimensional model do not match, a second difference part calculation part 431 calculates a ratio of an area of a part that does not match with respect to the whole solar panel block. The insurance fee calculation part 440 calculates an insurance fee on the basis of the ratio calculated by the second difference part calculation part 431.SELECTED DRAWING: Figure 10

Description

[Technical field]

[0001] The present invention relates to a photovoltaic power generation equipment maintenance system, a photovoltaic power generation equipment maintenance program, and a photovoltaic power generation equipment maintenance method. [Background technology]

[0002] 2. Description of the Related Art In recent years, flying objects such as drones and unmanned aerial vehicles (UAVs) (hereinafter collectively referred to as "flying devices") have come to be used in industry.

[0003] Patent Document 1 discloses creating and displaying a three-dimensional image from an image captured by a camera mounted on a drone.

[0004] Meanwhile, 10 years have passed since the Feed-in Tariff (FIT) system was launched in 2012, and solar power generation facilities have become increasingly widespread.

[0005] Patent Document 2 discloses a photovoltaic power generation system that can notify a user of the power generation status of each solar panel. [Prior art documents] [Patent documents]

[0006] [Patent Document 1] JP 2018-10630 A [Patent Document 2] JP 2023-74370 A Summary of the Invention [Problem to be solved by the invention]

[0007] Generally, solar panels of a photovoltaic power generation system (photovoltaic power generation facility) are often installed on a large scale on mountain slopes or the like.

[0008] A plurality of solar panels are installed on the same plane, and a plurality of blocks are installed on the same plane.

[0009] Solar power generation facilities typically use remote monitoring to manage the amount of power generated on a daily basis, and perform maintenance to correct any dirt or damage to solar panels or malfunctions in related equipment.

[0010] However, the ground on which solar panels are installed, such as on mountain slopes, is often soft and may partially sink over time.

[0011] There may also be cases where construction went ahead despite the need to drive in screws after ground improvement work was carried out, due to cost considerations or the easy-going belief that "it will probably be fine."

[0012] Furthermore, 10 years have passed since the widespread use of power generation facilities, and there is a high possibility that a decline in power generation efficiency will become apparent due to changes in the inclination angle caused by changes in the ground and deterioration of the mounting system, which are difficult to prevent through daily maintenance.

[0013] Specifically, for example, instead of the piles sinking evenly overall, only some of the piles sink, causing distortion in the mounting structure that rests on the piles.

[0014] This causes the solar panel on the mounting frame to become uneven, subjecting the solar panel to excessive force such as twisting, and over time causes the cells inside (silicon inside the panel) to become damaged.

[0015] This then leads to a gradual decline in the amount of power generated.

[0016] Generally, in Japan, the most efficient angle for generating electricity is 30 degrees, and a 10 degree change in angle reduces power generation efficiency by 2 to 3%.

[0017] Furthermore, if the power generation efficiency of a solar power generation system declines, the burden of repair costs becomes an issue.

[0018] In this case, one option would be to use insurance, but the problem is that it is difficult to determine the insurance premium.

[0019] A primary object of the present invention is the maintenance of a photovoltaic power generation facility system.

[0020] Another object of the present invention is to prevent a decrease in power generation efficiency of a photovoltaic power generation system.

[0021] Another object of the present invention is to calculate insurance premiums for a photovoltaic power generation facility system. [Means for solving the problem]

[0022] A photovoltaic power generation equipment maintenance system according to a first aspect of the present invention is a photovoltaic power generation equipment maintenance system including a server capable of communicating with a terminal in order to determine repair or adjustment of a solar panel block that is an object of a three-dimensional model, The server, A storage unit that stores the three-dimensional model created by photogrammetry; a solar panel comparison and determination unit for comparing an old 3D model of a solar panel block stored in the storage unit with a new 3D model of the same solar panel block newly created by photogrammetry, and determining non-identical portions; an insurance premium calculation unit that calculates an insurance premium based on the judgment of the solar panel comparison judgment unit, the solar panel comparison and determination unit has a difference calculation unit that compares the old three-dimensional model with the new three-dimensional model and calculates a ratio of a mismatched portion or a matching portion to the whole; the solar panel comparison and determination unit compares the old three-dimensional model with the new three-dimensional model, and when it is determined that there is no match, the difference calculation unit calculates the ratio of the area of ​​the non-matching part or the matching part to the entire solar panel block; The insurance premium calculation unit is a photovoltaic power generation equipment maintenance system that calculates an insurance premium based on the ratio calculated by the difference calculation unit.

[0023] With such a system, it is possible to perform maintenance on the solar power generation equipment system, easily identify the cause of the decline in the power generation efficiency of the solar power generation equipment system, and calculate the insurance premium based on that cause.

[0024] Furthermore, with such a system, the photovoltaic power generation system can be repaired using insurance, so that a decrease in the power generation efficiency of the photovoltaic power generation system can be prevented.

[0025] A photovoltaic power generation equipment maintenance system according to a second aspect of the present invention is a photovoltaic power generation equipment maintenance system according to the first aspect, The insurance premium calculation unit has an insurance premium rate determination unit that determines an insurance premium rate, the insurance premium rate determination unit determines an insurance premium rate according to the ratio of the area of ​​the non-matching or matching parts between the old 3D model and the new 3D model to the total area of ​​the solar panel block calculated by the difference calculation unit; The insurance premium calculation unit is a photovoltaic power generation equipment maintenance system that calculates an insurance premium based on the insurance premium rate determined by the insurance premium rate determination unit.

[0026] With such a system, the insurance premium rate can be determined based on the cause of the decrease in power generation efficiency, and the insurance premium can be calculated.

[0027] A photovoltaic power generation equipment maintenance system according to a third aspect of the present invention is a photovoltaic power generation equipment maintenance system including a server capable of communicating with a terminal in order to determine repair or adjustment of a solar panel block that is an object of a three-dimensional model, The server, A storage unit that stores the three-dimensional model created by photogrammetry; a solar panel determination unit for determining the planarity of the solar panel block; a power generation amount calculation unit for calculating a theoretical power generation amount of the solar panel block; a reduction amount calculation unit that, when the solar panel determination unit determines that the solar panel block is not flat, compares the theoretical power generation amount calculated by the power generation amount calculation unit with the actual power generation amount of the solar panel block, and calculates a reduction amount from the theoretical power generation amount; a solar panel adjustment determination unit that determines whether the solar panel block needs to be adjusted or replaced; an insurance premium calculation unit that calculates an insurance premium based on the judgment of the solar panel adjustment judgment unit, The solar panel adjustment judgment unit is a solar power generation equipment maintenance system that judges adjustment or replacement of a solar panel block based on the planarity of the solar panel block judged by the solar panel judgment unit and the amount of reduction in the power generation amount of the solar panel block calculated by the reduction amount calculation unit.

[0028] The cause of the decrease in power generation efficiency can be determined from the planarity of the solar panel block and the amount of decrease in the amount of power generation, and adjustment or replacement of the solar panel block can be carried out based on that information.

[0029] Furthermore, with such a system, maintenance of the solar power generation equipment system can be performed and the solar power generation system can be repaired using insurance, thereby preventing a decrease in the power generation efficiency of the solar power generation system.

[0030] A photovoltaic power generation equipment maintenance system according to a fourth aspect of the present invention is a photovoltaic power generation equipment maintenance system according to the third aspect, an insurance premium calculation unit that calculates an insurance premium based on the judgment of the solar panel adjustment judgment unit; the solar panel adjustment determination unit has a difference calculation unit that calculates a ratio of a non-flat portion or a flat portion of the solar panel block to the whole; The insurance premium calculation unit is a photovoltaic power generation equipment maintenance system that calculates an insurance premium according to the ratio calculated by the difference calculation unit.

[0031] With such a system, it is possible to easily determine the cause of the decline in the power generation efficiency of the solar power generation system, and to calculate the insurance premium based on that cause.

[0032] A photovoltaic power generation equipment maintenance system according to a fifth aspect of the present invention is a photovoltaic power generation equipment maintenance system according to the fourth aspect, The insurance premium calculation unit has an insurance premium rate determination unit that determines an insurance premium rate, the insurance premium rate determination unit determines an insurance premium rate according to the ratio of an area of ​​the non-flat portion or the flat portion of the solar panel block to the entire area of ​​the solar panel block, the ratio being calculated by the difference calculation unit; The insurance premium calculation unit is a photovoltaic power generation equipment maintenance system that calculates an insurance premium based on the insurance premium rate determined by the insurance premium rate determination unit.

[0033] With such a system, the insurance premium rate can be determined based on the cause of the decrease in power generation efficiency, and the insurance premium can be calculated.

[0034] A photovoltaic power generation equipment maintenance program according to a sixth aspect of the present invention is a photovoltaic power generation equipment maintenance program including a server capable of communicating with a terminal in order to determine repair or adjustment of a solar panel block that is an object of a three-dimensional model, A storage process for storing the three-dimensional model created by photogrammetry; a solar panel comparison and determination process for comparing the old 3D model of the solar panel block stored by the storage process with a new 3D model of the same solar panel block newly created by photogrammetry, and determining which parts are not identical; An insurance premium calculation process is executed to calculate an insurance premium based on the judgment made by the solar panel comparison judgment process. In the solar panel comparison and determination process, a difference calculation process is executed to compare the old three-dimensional model with the new three-dimensional model and calculate the ratio of the mismatched or matched parts to the whole. In the solar panel comparison and determination process, the old three-dimensional model is compared with the new three-dimensional model, and if it is determined that they do not match, the difference calculation process calculates the ratio of the area of ​​the non-matching part or the matching part to the entire solar panel block, The insurance premium calculation process is a photovoltaic power generation equipment maintenance program that calculates an insurance premium based on the ratio calculated in the difference calculation process.

[0035] Such a program provides the same effect as the first aspect.

[0036] A photovoltaic power generation equipment maintenance program according to a seventh aspect of the present invention is a photovoltaic power generation equipment maintenance program including a server capable of communicating with a terminal in order to determine repair or adjustment of a solar panel block that is an object of a three-dimensional model, A storage process for storing the three-dimensional model created by photogrammetry; a solar panel determination process for determining the planarity of the solar panel block; A power generation calculation process for calculating a theoretical power generation amount of the solar panel block; a reduction amount calculation process for calculating a reduction amount from the theoretical power generation amount calculated by the power generation amount calculation process when the solar panel block is determined to be not flat; a solar panel adjustment determination process for determining whether the solar panel block needs to be adjusted or replaced; An insurance premium calculation process is executed to calculate an insurance premium based on the determination in the solar panel adjustment determination process. The solar panel adjustment judgment process is a solar power generation equipment maintenance program that judges whether to adjust or replace the solar panel block based on the planarity of the solar panel block judged in the solar panel judgment process and the amount of reduction in the power generation amount of the solar panel block calculated in the reduction amount calculation process.

[0037] Such a program would have the same effect as the third aspect.

[0038] A photovoltaic power generation equipment maintenance method according to an eighth aspect of the present invention is a photovoltaic power generation equipment maintenance method including a server capable of communicating with a terminal in order to determine repair or adjustment of a solar panel block that is an object of a three-dimensional model, a storing step of storing the three-dimensional model created by photogrammetry; a solar panel comparison and determination process for comparing the old 3D model of the solar panel block stored in the storage process with a new 3D model of the same solar panel block newly created by photogrammetry, and determining non-identical parts; and an insurance premium calculation step of calculating an insurance premium based on the judgment in the solar panel comparison judgment step, The solar panel comparison and determination step includes a difference calculation step of comparing the old three-dimensional model with the new three-dimensional model and calculating a ratio of a mismatched part or a matching part to a whole, In the solar panel comparison and determination step, the old three-dimensional model is compared with the new three-dimensional model, and if it is determined that the models do not match, the difference calculation step calculates the ratio of the area of ​​the mismatched or matched parts to the entire solar panel block; In the insurance premium calculation step, an insurance premium is calculated based on the ratio calculated in the difference calculation step.

[0039] Such a method provides the same effects as those of the first and sixth aspects.

[0040] A solar power generation equipment maintenance method according to a ninth aspect of the present invention is a solar power generation equipment maintenance method including a server capable of communicating with a terminal in order to determine repair or adjustment of a solar panel block that is an object of a three-dimensional model, a storing step of storing the three-dimensional model created by photogrammetry; a solar panel determination step of determining planarity of the solar panel block; a power generation amount calculation step of calculating a theoretical power generation amount of the solar panel block; a reduction amount calculation step of comparing the theoretical power generation amount calculated in the power generation amount calculation step with the actual power generation amount of the solar panel block when the solar panel block is determined to be not flat in the solar panel determination step, and calculating a reduction amount from the theoretical power generation amount; a solar panel adjustment determination step of determining whether the solar panel block needs adjustment or replacement; and an insurance premium calculation step of calculating an insurance premium based on the determination in the solar panel adjustment determination step, The solar panel adjustment judgment process is a solar power generation equipment maintenance method in which adjustment or replacement of a solar panel block is judged based on the planarity of the solar panel block judged in the solar panel judgment process and the amount of reduction in the power generation amount of the solar panel block calculated in the reduction amount calculation process.

[0041] Such a method provides the same effects as those of the third and seventh aspects. [Brief description of the drawings]

[0042] [Figure 1] FIG. 1 is a conceptual diagram illustrating the creation of a 3D model by photogrammetry in an embodiment of the present invention. [Diagram 2] FIG. 2 is a conceptual diagram illustrating the creation of a 3D model by photogrammetry in the embodiment. [Diagram 3] FIG. 2 is a conceptual diagram illustrating the creation of a 3D model by photogrammetry in the embodiment. [Figure 4] 1 is a conceptual diagram of a photovoltaic power generation facility maintenance system according to an embodiment of the present invention. [Diagram 5] FIG. 2 is a conceptual diagram of the photovoltaic power generation equipment maintenance system according to the embodiment. [Figure 6] FIG. 2 is a conceptual diagram of the photovoltaic power generation equipment maintenance system according to the embodiment. [Figure 7]FIG. 2 is a conceptual diagram of the photovoltaic power generation equipment maintenance system according to the embodiment. [Figure 8] 3 is a flowchart of a photovoltaic power generation equipment maintenance system according to an embodiment of the present invention. [Figure 9] 4 is a flowchart of the photovoltaic power generation equipment maintenance system according to the embodiment. [Figure 10] 1 is a conceptual diagram of a photovoltaic power generation facility maintenance system according to an embodiment of the present invention. [Figure 11] 3 is a flowchart of a photovoltaic power generation equipment maintenance system according to an embodiment of the present invention. [Figure 12] 4 is a flowchart of the photovoltaic power generation equipment maintenance system according to the embodiment. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0043] Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

[0044] (Photogrammetry) In this embodiment, photogrammetry is used to create the 3DCG.

[0045] "Photogrammetry" is a technology that generates realistic 3DCG from photographs.

[0046] Specifically, photogrammetry is a technique for synthesizing multiple photographs of an object (a solar panel in this embodiment) taken from various angles.

[0047] The number of photos required varies depending on how realistic and detailed you want the 3DCG model to be, ranging from dozens to hundreds.

[0048] The photogrammetry production process consists of the following steps: 1. Photography, 2. Alignment, 3. Mesh generation (creation of point cloud data), 4. Simplification, 5. Unwrap, and 6. Texture generation.

[0049] When taking photographs, since it is not possible to reproduce areas that have not been photographed, the subject building is photographed from various angles.

[0050] Care must be taken when taking photographs, as missing any shots can lead to alignment failures and mesh generation failures.

[0051] 1 and 2 are examples showing locations photographed by the photographing device P. As can be seen from Fig. 1 and Fig. 2, photographs are taken in principle with horizontal and vertical movements.

[0052] In this embodiment, the photographing device P is a drone, but it may also be a 3D laser scanner or a handheld scanner.

[0053] A more accurate mesh can be obtained using laser scanning.

[0054] In addition, by using a drone, it is possible to take pictures of the solar panels of the solar power generation system from above. It is also possible to take pictures from a high place using a long pole.

[0055] In this embodiment, RTK (Real Time Kinematic) surveying is used by a drone.

[0056] RTK surveying is a technology in which signals are received from four or more satellites using two receivers, one fixed and one mobile. By exchanging information between the two receivers and correcting for discrepancies, it is possible to obtain more accurate location information than standalone positioning.

[0057] Although some error does occur, the greatest feature of RTK surveying is that the range can be kept within just a few centimeters.

[0058] If the photo was taken by a drone, the location information of the drone's aerial shooting position is registered.

[0059] GPS positioning methods can be broadly divided into point-based positioning and relative positioning.

[0060] Point positioning is mainly used for navigation, while interferometric positioning in relative positioning is used for precise positioning.

[0061] The former is a method of measuring the arrival time of radio waves from a satellite to determine the absolute coordinates of the receiving point, with an accuracy of meters, while the latter is a method of measuring the phase of the carrier wave from a satellite to determine the relative coordinates from a reference point, with an accuracy of mm to cm.

[0062] Dynamic displacement measurement using GPS generally uses the RTK method, which is a type of interferometric positioning method.

[0063] "Alignment" refers to positioning elements based on each point of an object (element).

[0064] In this embodiment, alignment refers to positioning the solar panel block S based on each point of the solar panel block S of the photovoltaic power generation system.

[0065] In order for the alignment to be successful, it is necessary to ensure that no shots are missed when photographing with the photographing device P.

[0066] "Mesh generation" creates a mesh with normal resolution. By reducing the size of the image, the processing time can be reduced without affecting the quality.

[0067] Simplification involves adjusting the number of polygons depending on the object. A "polygon" is a polygonal shape (flat surface) used in 3D graphics to represent the curved surfaces of a three-dimensional object.

[0068] Set the texture resolution, number of textures, etc. in the settings, then select Unwrap.

[0069] "Texture" originally refers to the concept of the feel and texture of an object's surface. In 3D computer graphics (CG), a pattern or image that is pasted onto the surface of a 3D object to express the surface feel of the object is called a "texture," and the technique of pasting textures in this way is called "texture mapping."

[0070] Texture mapping makes the texture of 3D objects more realistic. For example, the same object can look like a piece of metal if you apply a metal texture, or like a piece of wood if you apply a wood grain texture. Texture mapping can also be used to express reflections on shiny tables and glass.

[0071] Mesh data consists of polygons and textures.

[0072] In addition, the 3DCG (3D model, three-dimensional model) created using this photogrammetry can also be used for the metaverse, etc.

[0073] As shown in Figure 3, the 3D model created by this photogrammetry has spatial coordinates (X, Y, Z), and the actual distance can be determined based on the position of the coordinates.

[0074] In this embodiment, photogrammetry is composed of point cloud data. Point cloud data is composed only of information on independent points, which is different from mesh data, and is close to raw data obtained from a sensor, so it has the characteristic of being highly accurate in many cases.

[0075] The data format of point cloud data consists of six basic components: spatial coordinates (X, Y, Z) for each vertex and color (R (red), G (green), B (blue)).In addition, it may also include scalar information such as reflectance and normal vectors.

[0076] First Embodiment As shown in FIG. 4, the photovoltaic power generation equipment maintenance system 100 according to this embodiment includes a cloud server 200, and a first terminal 300 that is capable of accessing the cloud server 200.

[0077] The cloud server 200 is a server built on a cloud, and the server functions can be used via the Internet. In this embodiment, the cloud server 200 is used as the server, but a normal server may be used.

[0078] As shown in FIG. 4, the cloud server 200 includes a communication unit 210 capable of communicating with the first terminal 300, A storage unit 220 for storing a 3D model (three-dimensional model) of the solar panel block S, which is an object, created by photogrammetry; a solar panel determination unit 230 for determining whether the solar panel block S is flat; A power generation amount calculation unit 240 that calculates a theoretical power generation amount of the solar panel block S; a reduction amount calculation unit 250 which, when the solar panel determination unit 230 determines that the solar panel block S is not flat, compares the theoretical amount of power generation calculated by the power generation amount calculation unit 240 with the actual amount of power generation of the solar panel block S and determines to what extent the amount of power generation is reduced from the theoretical value; a solar panel adjustment determination unit 260 that determines whether adjustment or replacement of the solar panel block S is necessary; and a first insurance premium calculation unit 270 which is an insurance premium calculation unit that calculates an insurance premium based on the determination of the solar panel adjustment determination unit 260.

[0079] The communication unit 210 communicates with the first terminal 300. The communication method may be either wired or wireless. There may be a plurality of first terminals 300.

[0080] The storage unit 220 stores 3D models of the solar panel block S and the like created by photogrammetry.

[0081] As shown in Figure 3, a 3D model created by photogrammetry has spatial coordinates, and the distance of the spatial coordinates corresponds to the actual distance.

[0082] The actual distance is then calculated from the distance in the spatial coordinates of the 3D model. The calculated distance may be corrected when calculated.

[0083] In addition, if distortion occurs in the lens of the photographing device P (a drone in this embodiment), it may be corrected.

[0084] The solar panel determination unit 230 determines whether the solar panel of the solar panel block S is flat or not.

[0085] In other words, the solar panel determination unit 230 determines the planarity of the solar panel block S.

[0086] For example, if some of the piles supporting the solar panel block S sink and part of the solar panel block S sinks, causing the solar panel block S to be not flat, the solar panel determination unit 230 determines that the solar panel is not flat.

[0087] Specifically, the solar panel determination unit 230 determines whether the solar panel block S created by photogrammetry and stored in the storage unit 220 is flat or not.

[0088] The solar panel block S created by photogrammetry is provided with spatial coordinates, and the solar panel determination unit 230 determines whether the solar panel block S is flat or not from the spatial coordinates.

[0089] The solar panel determination unit 230 may determine whether or not the entire inclination of the solar panel block S is a preset inclination.

[0090] The solar panel determination unit 230 notifies the first terminal 300 which parts of the solar panel block S are not flat.

[0091] The power generation amount calculation unit 240 calculates the theoretical value of the amount of power generation of the solar panel block S per year.

[0092] Specifically, it is calculated by multiplying the solar cell array output (kW) under standard conditions, the amount of solar radiation at the installation site (kWh / m³·day), the overall design coefficient (usually 0.7), and 365 (days).

[0093] The reduction amount calculation section 250 compares the theoretical value of the amount of generated power calculated by the amount of generated power calculation section 240 with the actual amount of generated power to make a judgment.

[0094] Specifically, the decrease amount calculation unit 250 calculates to what extent the power generation efficiency of the solar panel block S has decreased from the theoretical value (for example, by what percentage) and determines whether or not it is within an acceptable range.

[0095] The decrease amount calculation unit 250 notifies the first terminal 300 of the extent to which the power generation efficiency of the solar panel block S has decreased from the theoretical value.

[0096] As shown in Figures 5 and 6, the solar panel adjustment judgment unit 260 judges whether or not adjustment of the solar panel block S is necessary based on the judgment result of the reduction amount calculation unit 250 as to whether or not the decrease in power generation amount is within an acceptable range, and the judgment result of the planarity of the solar panel block S judged by the solar panel judgment unit 230.

[0097] In addition, the solar panel adjustment judgment unit 260 may determine whether or not adjustment of the solar panel block S is necessary based on the judgment result of the decrease amount calculation unit 250 as to whether or not the decrease in power generation amount is within an acceptable range, and the judgment result of the solar panel judgment unit 230 as to whether or not the overall inclination of the solar panel block S is a preset inclination.

[0098] When the solar panel adjustment determination unit 260 determines that adjustment of the solar panel block S is necessary, it notifies the user of that effect, and the solar panel determination unit 230 notifies the user of any portion of the solar panel block S that is not flat.

[0099] Specifically, when the solar panel adjustment determination unit 260 determines that adjustment of the solar panel block S is necessary, it displays a warning (notifies the user of a warning).

[0100] In this embodiment, the solar panel adjustment determination unit 260 and the solar panel determination unit 230 notify the first terminal 300 of a warning notification.

[0101] The solar panel adjustment determination unit 260 has a first difference calculation unit 261 that calculates the proportion of the portion of the solar panel block S that is not flat.

[0102] When the solar panel determination unit 230 determines that the solar panel block S is not flat, the first difference calculation unit 261 calculates the ratio of the area of ​​that portion to the entire solar panel block S.

[0103] Specifically, the 3D model of the solar panel block S created by photogrammetry has spatial coordinates, and these spatial coordinates are used to calculate the ratio of the area of ​​the parts of the solar panel block S that are not flat to the entire solar panel block S.

[0104] The first difference calculation unit 261 may calculate the ratio of the flat surface area of ​​the solar panel block S to the entire area.

[0105] The first insurance premium calculation unit 270 calculates the insurance premium based on the determination by the solar panel adjustment determination unit 260.

[0106] The first insurance premium calculation unit 270 has a first insurance premium rate determination unit 271 which is an insurance premium rate determination unit that determines an insurance premium rate.

[0107] The first insurance premium rate determination unit 271 determines the insurance premium rate according to the ratio of the area of ​​the portion of the solar panel block S that is not flat to the entire area of ​​the solar panel block S, as determined by the first difference calculation unit 261.

[0108] The first insurance premium rate determination unit 271 may determine the insurance premium rate according to the ratio of the area of ​​the flat surface portion of the solar panel block S to the entire area.

[0109] The first insurance premium calculation unit 270 calculates the insurance premium based on the insurance premium rate determined by the first insurance premium rate determination unit 271 .

[0110] When the user of the first terminal 300 receives the warning notice, the user can check the actual state of the solar panel block S and confirm whether the warning content is correct.

[0111] The inspection will not only check the actual amount of power generated and any decline in power generation efficiency, but will also check whether the solar panel block S is flat by using drones and inspecting the site, etc.

[0112] In this case, the actual inclination of the solar panel block S may be checked.

[0113] For example, the angle at which a solar panel generates electricity most efficiently varies depending on the region and weather, but a southward angle of approximately 30 degrees is preferable, and it may be possible to check whether the inclination of the solar panel block S is 30 degrees, including the inclination of the ground.

[0114] Fig. 7 is a 3D model which is point cloud data of a portion of the solar panel block S. As can be seen from Fig. 7, the tilt angle of the solar panel can be determined from the 3D model, and the solar panel adjustment determination unit 260 can determine whether or not adjustment of the solar panel block S is necessary.

[0115] If the solar panel adjustment determination unit 260 determines that adjustment of the solar panel block S is unnecessary, it may notify the first terminal 300 to that effect.

[0116] (First terminal 300) The first terminal 300, which is a terminal, includes a first communication unit 310, which is a communication function for accessing the Internet in order to access the cloud server 200, and a first storage unit 320 capable of storing data stored in the storage unit 220 of the cloud server 200; and a first display unit 330 that accesses the cloud server 200 and displays the work content or stored data.

[0117] Examples of the first terminal 300 include a personal computer and a tablet.

[0118] The first communication unit 310 performs communication for connecting to the Internet. The first communication unit 310 enables the first terminal 300 to access the cloud server 200.

[0119] It should be noted that the first communication unit 310 also includes accessing the Internet via Wi-Fi (wireless LAN) or wired LAN.

[0120] (Flow chart of warning notification in the first embodiment) 8 and 9 show a flowchart of a warning notification according to the first embodiment of the present invention. First, a 3D model (three-dimensional model) of the solar panel block S is created by photogrammetry (step S11, three-dimensional model creation process).

[0121] 3D models created using photogrammetry can be used in the Metaverse, etc.

[0122] Next, the solar panel determination unit 230 determines whether or not the solar panel block S created by photogrammetry and stored in the storage unit 220 is flat (step S12, solar panel determination step).

[0123] Next, the power generation amount calculation unit 240 calculates a theoretical value of the annual power generation amount of the solar panel block S (step S13, power generation amount calculation step).

[0124] Next, the reduction amount calculation unit 250 compares the theoretical value of the amount of power generation calculated by the power generation amount calculation unit 240 with the actual amount of power generation, and calculates the amount of reduction from the theoretical amount of power generation (step S14, reduction amount calculation step).

[0125] The decrease amount calculation unit 250 determines whether or not the decrease (amount of decrease) in the amount of power generation calculated by the decrease amount calculation unit 250 is within an allowable range.

[0126] The solar panel adjustment determination unit 260 determines whether or not adjustment of the solar panel block S is necessary based on the amount of decrease in the amount of power generation and whether or not the solar panel block S is flat (step S15, solar panel adjustment determination step).

[0127] If the solar panel adjustment determination unit 260 determines that adjustment of the solar panel block S is unnecessary, it notifies the first terminal 300 to that effect (step S16, notification step).

[0128] Next, when the solar panel adjustment determination unit 260 determines that adjustment of the solar panel block S is necessary, it displays a warning (warning notification) on the first terminal 300 (step S17, notification step).

[0129] When the solar panel determination unit 230 determines that the solar panel block S is not flat, the first difference calculation unit 261 calculates the ratio of the area of ​​that portion to the entire solar panel block S (step S18, ratio calculation step).

[0130] The first insurance premium rate determination unit 271 determines the insurance premium rate based on the ratio of the area of ​​the solar panel block S that is not flat to the total area of ​​the solar panel block S, as determined by the solar panel adjustment determination unit 260 (step S19, insurance premium rate determination process).

[0131] The first insurance premium calculation unit 270 calculates the insurance premium based on the insurance premium rate determined by the first insurance premium rate determination unit 271 (step S20, insurance premium calculation process).

[0132] <Second embodiment> In the second embodiment, the same configuration as in the first embodiment will be omitted or briefly described.

[0133] As shown in FIG. 10, the cloud server 200 includes a communication unit 210 capable of communicating with the first terminal 300, A storage unit 220 for storing a 3D model (three-dimensional model) of the solar panel block S, which is an object, created by photogrammetry; a solar panel comparison and determination unit 430 for comparing the 3D model of the solar panel block S stored in the storage unit 220 with a 3D model of the same solar panel block S newly created by photogrammetry, and determining which parts are not identical; and a second insurance premium calculation unit 440 which is an insurance premium calculation unit that calculates an insurance premium based on the determination by the solar panel comparison and determination unit 430.

[0134] The communication unit 210 communicates with the first terminal 300. The communication method may be either wired or wireless. There may be a plurality of first terminals 300.

[0135] The storage unit 220 stores 3D models of the solar panel block S and the like created by photogrammetry.

[0136] Furthermore, the storage unit 220 stores previous 3D models of the solar panel block S, etc., and stores new 3D models of the same solar panel block S, etc., created by photogrammetry.

[0137] 3D models created using photogrammetry have spatial coordinates, and the distance in the spatial coordinates corresponds to the actual distance.

[0138] The actual distance is then calculated from the distance in the spatial coordinates of the 3D model. The calculated distance may be corrected when calculated.

[0139] Also, when distortion occurs in the lens of the photographing device P, it may be corrected.

[0140] The solar panel comparison and determination unit 430 compares the 3D model (old 3D model) of the solar panel block S stored in the memory unit 220 with a 3D model (new 3D model) of the same solar panel block S newly created by photogrammetry, and determines the parts that are not identical.

[0141] Specifically, the solar panel comparison and determination unit 430 compares the old 3D model with the new 3D model and determines whether or not they match, with a preset error.

[0142] For example, if the solar panel block S is partially tilted due to an earthquake or the like, the 3D model of the solar panel block S will not match.

[0143] Whether or not the 3D models match is determined based on whether or not the difference in values ​​falls within a preset range (range of error).

[0144] If the dimensions match, the solar panel comparison and determination unit 430 notifies the user of that fact, and if they do not match, it notifies the user of that fact.

[0145] Specifically, if the solar panel comparison and determination unit 430 determines that the dimensions do not match, it displays an error (notifies an error).

[0146] The solar panel comparison and determination unit 430 has a second difference calculation unit 431 which is a difference calculation unit that compares the old 3D model with the new 3D model and calculates the proportion of the non-matching portion to the whole.

[0147] If the solar panel comparison and determination unit 430 compares the old 3D model with the new 3D model and determines that they do not match, the second difference calculation unit 431 calculates the ratio of the area of ​​the mismatched part to the entire solar panel block S.

[0148] Specifically, since the 3D model of the solar panel block S created by photogrammetry has spatial coordinates, the second difference calculation unit 431 uses these spatial coordinates to calculate the ratio of the area of ​​the mismatched parts to the entire solar panel block S.

[0149] The second difference calculation unit 431 may calculate the ratio of the area of ​​the matching portion to the entire solar panel block S.

[0150] The second insurance premium calculation section 440 calculates the insurance premium based on the judgment of the solar panel comparison and judgment section 430 .

[0151] Specifically, the second insurance premium calculation unit 440 calculates the insurance premium based on the ratio of the area of ​​the mismatched portion to the entire solar panel block S calculated by the second difference calculation unit 431.

[0152] The second insurance premium calculation unit 440 has a second insurance premium rate determination unit 441 which is an insurance premium rate determination unit that determines an insurance premium rate.

[0153] The second insurance premium rate determination unit 441 determines the insurance premium rate according to the ratio of the area of ​​the part that does not match between the old 3D model and the new 3D model to the total area of ​​the solar panel block S, calculated by the second difference calculation unit 431.

[0154] The second insurance premium calculation unit 440 calculates the insurance premium based on the insurance premium rate determined by the second insurance premium rate determination unit 441 .

[0155] The second insurance premium calculation section 440 may calculate the insurance premium based on the ratio of the area of ​​the matching portion to the entire solar panel block S calculated by the second difference calculation section 431.

[0156] In other words, the second insurance premium rate determination unit 441 may determine the insurance premium rate based on the ratio of the area of ​​the matching part between the old 3D model and the new 3D model to the total area of ​​the solar panel block S calculated by the second difference calculation unit 431.

[0157] (Flowchart of warning notification in the second embodiment) 11 and 12 show a flowchart of a warning notification according to the second embodiment of the present invention. First, a 3D model (three-dimensional model) of the solar panel block S is created by photogrammetry (step S21, former three-dimensional model creation process).

[0158] Then, the storage unit 220 stores the solar panel block S (old 3D model) created by photogrammetry (step S22).

[0159] Next, for example, several years later, a new 3D model (three-dimensional model) of the solar panel block S is created by photogrammetry (step S23, new three-dimensional model creation process).

[0160] Next, the solar panel comparison and determination unit 430 determines whether or not the old 3D model and the new 3D model match (step S24, solar panel comparison and determination step).

[0161] If the dimensions match, solar panel comparison and determination section 430 notifies first terminal 300 of that fact, and if they do not match, solar panel comparison and determination section 430 notifies first terminal 300 of that fact (steps S25, S26, notification step).

[0162] Next, the solar panel comparison and determination unit 430 compares the old 3D model with the new 3D model, and if it determines that they do not match, calculates the ratio of the area of ​​the mismatched portion to the entire solar panel block S (step S27, solar panel adjustment determination step).

[0163] Next, if the solar panel comparison and determination unit 430 determines that adjustment of the solar panel block S is necessary, it displays a warning (notifies a warning) (step S28, warning step).

[0164] The second insurance premium rate determination unit 441 determines the insurance premium rate according to the ratio of the area of ​​the part where the old 3D model and the new 3D model do not match to the total area of ​​the solar panel block S determined by the solar panel comparison and determination unit 430 (step S28, insurance premium rate determination process).

[0165] The second insurance premium calculation unit 440 calculates the insurance premium based on the insurance premium rate determined by the second insurance premium rate determination unit 441 (step S29, insurance premium calculation step).

[0166] In this embodiment, the solar panel comparison and determination unit 430 notifies the first terminal 300 of an error notification.

[0167] When the user of the first terminal 300 receives a notification (error notification) that the dimensions do not match, the user can check whether the solar panel block S is damaged.

[0168] The solar panel comparison and determination unit 430 compares the 3D model of the solar panel block S before damage stored in the storage unit 220 with the 3D model of the solar panel block S damaged by a disaster such as an earthquake.

[0169] Specifically, the solar panel comparison and judgment unit 430 compares the 3D model of the solar panel block S before damage stored in the memory unit 220 with a 3D model of the solar panel block S after damage due to a disaster such as an earthquake, and determines the percentage difference from the 3D model of the solar panel block S before damage.

[0170] More specifically, the 3D model of the solar panel block S stored in the memory unit 220 is superimposed on a 3D model of the solar panel block S after it has been damaged by a disaster such as an earthquake, and the solar panel comparison and judgment unit 430 determines the percentage by which it differs from the 3D model of the solar panel block S before it was damaged.

[0171] In this case, for example, differences such as the solar panel block S being tilted (inclined) also fall under the category of differences.

[0172] In other words, the solar panel comparison and determination unit 430 calculates the degree of damage to the solar panel block S.

[0173] Based on the notification from the damage degree determining unit 260, the user of the first terminal 300 can determine whether or not the solar panel block S needs to be repaired.

[0174] The present invention can be implemented in various forms with improvements, modifications, or variations without departing from the spirit of the invention. [Explanation of symbols]

[0175] 100...Solar power generation equipment maintenance system 200…Cloud server (server) 210…Communications Department 220...Storage section 230...Solar panel judgment unit 240…Power generation calculation section 250...Decrease amount calculation section 260...Solar panel adjustment judgment unit 261...First difference calculation unit (difference calculation unit) 270…First Insurance Premium Calculation Department (Insurance Premium Calculation Department) 271…First Insurance Premium Rate Determination Division (Insurance Premium Rate Determination Division) 300…First terminal (terminal) 310…1st Communications Department 320...1st memory section 330...First display section (display section) 430...Solar panel comparison and judgment unit 431...Second difference part calculation unit (difference part calculation part) 440…Second Insurance Premium Calculation Department (Insurance Premium Calculation Department) 441…Second Insurance Premium Rate Determination Division (Insurance Premium Rate Determination Division)

Claims

1. A photovoltaic power generation equipment maintenance system including a server capable of communicating with a terminal in order to determine repair or adjustment of a solar panel block which is an object of a three-dimensional model, The server, A storage unit that stores the three-dimensional model created by photogrammetry; a solar panel comparison and determination unit for comparing an old 3D model of a solar panel block stored in the storage unit with a new 3D model of the same solar panel block newly created by photogrammetry, and determining non-identical portions; an insurance premium calculation unit that calculates an insurance premium based on the judgment of the solar panel comparison judgment unit, the solar panel comparison and determination unit has a difference calculation unit that compares the old three-dimensional model with the new three-dimensional model and calculates a ratio of a mismatched portion or a matching portion to the whole; the solar panel comparison and determination unit compares the old three-dimensional model with the new three-dimensional model, and when it is determined that there is no match, the difference calculation unit calculates the ratio of the area of ​​the non-matching part or the matching part to the entire solar panel block; The insurance premium calculation unit calculates an insurance premium based on the ratio calculated by the difference calculation unit.

2. The insurance premium calculation unit has an insurance premium rate determination unit that determines an insurance premium rate, the insurance premium rate determination unit determines an insurance premium rate according to the ratio of the area of ​​the non-matching or matching parts between the old 3D model and the new 3D model to the total area of ​​the solar panel block calculated by the difference calculation unit; The photovoltaic power generation equipment maintenance system according to claim 1 , wherein the insurance premium calculation unit calculates the insurance premium based on the insurance premium rate determined by the insurance premium rate determination unit.

3. A photovoltaic power generation equipment maintenance system including a server capable of communicating with a terminal in order to determine repair or adjustment of a solar panel block which is an object of a three-dimensional model, The server, A storage unit that stores the three-dimensional model created by photogrammetry; a solar panel determination unit for determining the planarity of the solar panel block; a power generation amount calculation unit for calculating a theoretical power generation amount of the solar panel block; a reduction amount calculation unit that, when the solar panel determination unit determines that the solar panel block is not flat, compares the theoretical power generation amount calculated by the power generation amount calculation unit with the actual power generation amount of the solar panel block, and calculates a reduction amount from the theoretical power generation amount; a solar panel adjustment determination unit that determines whether the solar panel block needs to be adjusted or replaced; an insurance premium calculation unit that calculates an insurance premium based on the judgment of the solar panel adjustment judgment unit, The solar panel adjustment judgment unit of this solar power generation equipment maintenance system judges adjustment or replacement of the solar panel block based on the planarity of the solar panel block judged by the solar panel judgment unit and the amount of reduction in the power generation amount of the solar panel block calculated by the reduction amount calculation unit.

4. an insurance premium calculation unit that calculates an insurance premium based on the judgment of the solar panel adjustment judgment unit; the solar panel adjustment determination unit has a difference calculation unit that calculates a ratio of a non-flat portion or a flat portion of the solar panel block to the whole; The photovoltaic power generation equipment maintenance system according to claim 3 , wherein the insurance premium calculation unit calculates the insurance premium according to the ratio calculated by the difference calculation unit.

5. The insurance premium calculation unit has an insurance premium rate determination unit that determines an insurance premium rate, the insurance premium rate determination unit determines an insurance premium rate according to the ratio of an area of ​​the non-flat portion or the flat portion of the solar panel block to the entire area of ​​the solar panel block, the ratio being calculated by the difference calculation unit; The photovoltaic power generation equipment maintenance system according to claim 4 , wherein the insurance premium calculation unit calculates the insurance premium based on the insurance premium rate determined by the insurance premium rate determination unit.

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