Mountain solar total radiation monitor

Abstract

This application provides a monitoring instrument for total solar irradiance in mountainous areas, including a detection component and a data processing component. Multiple detection components are deployed in the area where a photovoltaic panel is located to acquire the irradiance received by the photovoltaic panel. The data processing component is communicatively connected to the multiple detection components and is configured to perform the following steps: acquiring the irradiance acquired by the farthest first and second detection components, and determining whether the difference in irradiance acquired by the first and second detection components exceeds the first preset irradiance difference value. When it is determined that the difference in irradiance acquired by the first and second detection components does not exceed the first preset irradiance difference value, the total irradiance is obtained based on the first and second detection components. The mountainous solar irradiance monitoring instrument provided in this application can improve the detection efficiency of photovoltaic panel fault detection systems and reduce the cost of photovoltaic panel fault detection systems.

Description

Technical Field

[0001] This application relates to the field of photovoltaic panel fault detection technology, specifically to a monitor for total solar irradiance in mountainous areas. Background Technology

[0002] Photovoltaic panels generate electricity based on the amount of irradiance they receive. The stronger the irradiance, the greater the power generation. However, because the power generation of a photovoltaic panel varies depending on the amount of irradiance it receives, it is difficult for users to determine whether the photovoltaic panel is malfunctioning based on its power generation.

[0003] Currently, measuring the irradiance received by photovoltaic (PV) panels can help determine if they are malfunctioning. If the irradiance received by a PV panel is constant, but the final power generation varies significantly, a malfunction is considered. However, this method requires analyzing both the specific irradiance and power generation of each panel to determine if it is abnormal. For large PV panel clusters, this requires acquiring too much information in real time, resulting in low detection efficiency and high costs for the fault detection system. Summary of the Invention

[0004] The embodiments of this application provide a monitoring instrument for total solar irradiance in mountainous areas, which can improve the detection efficiency of the detection system and reduce the cost of the detection system for photovoltaic panel cluster faults.

[0005] The specific technical solution of this embodiment is as follows:

[0006] This application provides a monitoring instrument for total solar irradiance in mountainous areas, including a detection component and a data processing component. The detection component includes multiple components, and one detection component is deployed in the area where a photovoltaic panel is located to obtain the irradiance received by the photovoltaic panel.

[0007] The data processing component communicates with multiple detection components and is configured to perform the following steps:

[0008] The irradiance obtained by the first and second detection components that are furthest apart is obtained, and it is determined whether the difference between the irradiance obtained by the first and second detection components exceeds a first preset irradiance difference.

[0009] When it is determined that the difference in irradiance obtained by the first detection component and the second detection component does not exceed the first preset irradiance difference, the total irradiance is obtained based on the first detection component and the second detection component.

[0010] In some embodiments, the data processing component is further configured to:

[0011] When it is determined that the difference in irradiance obtained by the first detection component and the second detection component exceeds the first preset irradiance difference, the irradiance obtained by the first intermediate detection component that is closest to the midpoint of the line connecting the first detection component and the second detection component is obtained.

[0012] Determine whether the difference between the irradiance obtained by the first detection component and the irradiance obtained by the first intermediate detection component exceeds a first preset irradiance difference value, and determine whether the difference between the irradiance obtained by the second detection component and the irradiance obtained by the first intermediate detection component exceeds a first preset irradiance difference value.

[0013] Using the perpendicular bisector of the line connecting the first detection component and the second detection component as the boundary, the area closer to the first detection component is designated as the first region, and the area closer to the second detection component is designated as the second region. When it is determined that the difference between the irradiance obtained by the first detection component and the irradiance obtained by the first intermediate detection component does not exceed the first preset irradiance difference, all irradiances within the first region are obtained based on the first detection component and the first intermediate detection component.

[0014] When it is determined that the difference between the irradiance obtained by the second detection component and the irradiance obtained by the first intermediate detection component does not exceed the first preset irradiance difference, the irradiance of all areas in the second region is obtained based on the second detection component and the first intermediate detection component.

[0015] The total irradiance of all detection components is obtained based on the irradiance of all components in the first region, the irradiance of all components in the second region, and the irradiance of all detection components on the perpendicular bisector of the line connecting the first and second detection components.

[0016] In some embodiments, the method for obtaining the irradiance of all detection components on the perpendicular bisector of the line connecting the first detection component and the second detection component includes:

[0017] The irradiance obtained by the first intermediate detection component is used as the irradiance of each detection component on the perpendicular bisector of the line connecting the first and second detection components, thus obtaining the irradiance of all detection components on the perpendicular bisector of the line connecting the first and second detection components.

[0018] In some embodiments, the data processing component is further configured to:

[0019] When it is determined that the difference between the irradiance obtained by the first detection component and the irradiance obtained by the first intermediate detection component exceeds the first preset irradiance difference value, the first intermediate detection component is used as the new second detection component. The search continues to find a new first intermediate detection component between the first detection component and the new second detection component and the difference between the two is repeated. When the difference does not exceed the first preset irradiance difference value, the total irradiance of all detection components in the corresponding area is obtained.

[0020] In some embodiments, the data processing component is further configured to:

[0021] When it is determined that the difference between the irradiance obtained by the second detection component and the irradiance obtained by the first intermediate detection component exceeds the first preset irradiance difference value, the first intermediate detection component is used as the new first detection component. The search continues to find a new first intermediate detection component between the new first detection component and the second detection component and the difference between the two is repeated. If the difference does not exceed the first preset irradiance difference value, the total irradiance of all detection components in the corresponding area is obtained.

[0022] In some embodiments, obtaining all irradiance within the first region based on the first detection component and the first intermediate detection component includes:

[0023] The average of the irradiance obtained by the first detection component and the irradiance obtained by the first intermediate detection component is used as the irradiance obtained by each detection component in the first region, and all the irradiances in the first region are calculated.

[0024] In some embodiments, based on the second detection component and the first intermediate detection component, the irradiance of all areas within the second region is obtained as follows:

[0025] The average of the irradiance obtained by the second detection component and the irradiance obtained by the first intermediate detection component is used as the irradiance obtained by one detection component in the second region, and all the irradiances in the second region are calculated.

[0026] In some embodiments, obtaining the total irradiance based on the first detection component and the second detection component includes: taking the average of the irradiance obtained by the first detection component and the irradiance obtained by the second detection component as the irradiance obtained by a single detection component, and calculating the total irradiance.

[0027] Compared with the prior art, the embodiments of this application have the following beneficial effects:

[0028] The solar total irradiance detector for mountainous areas provided in this application embodiment can obtain the total irradiance of all detected components by acquiring the irradiance from a small number of detected components. This allows for comparison between the theoretical and actual power generation of the photovoltaic panel cluster under this total irradiance condition, aiding in the determination of whether any photovoltaic panels in the cluster are faulty. The above embodiment improves the detection efficiency of the photovoltaic panel fault detection system, reduces its cost, and enhances overall economic efficiency. Attached Figure Description

[0029] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0030] Figure 1 This is a schematic diagram of the control logic of the data processing component in the mountain solar total irradiance monitor provided in some embodiments of this application;

[0031] Figure 2 This is a schematic diagram of the control logic of the data processing component in a mountain solar total irradiance monitor provided in some other embodiments of this application. Detailed Implementation

[0032] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0033] In the description of this application, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of the stated features. In the description of this application, "a plurality of" means two or more, unless otherwise explicitly specified.

[0034] The use of "applies to" or "configured to" in this application implies open and inclusive language, which does not exclude the applicability to or configuration to devices performing additional tasks or steps. Additionally, the use of "based on" implies openness and inclusivity, because processes, steps, calculations, or other actions "based on" one or more of the stated conditions or values ​​may in practice be based on additional conditions or values ​​beyond those stated.

[0035] In this application, the term "exemplary" is used to mean "used as an example, illustration, or description." Any embodiment described as "exemplary" in this application is not necessarily to be construed as being more preferred or advantageous than other embodiments. The following description is provided to enable any person skilled in the art to make and use this application. Details are set forth in the following description for purposes of explanation. It should be understood that those skilled in the art will recognize that this application can be made without using these specific details. In other instances, well-known structures and processes are not described in detail to avoid obscuring the description of this application with unnecessary detail. Therefore, this application is not intended to be limited to the embodiments shown, but is consistent with the broadest scope of the principles and features disclosed in this application.

[0036] This application provides a detector for total solar irradiance in mountainous areas, including a detection component and a data processing component. The detection component includes multiple components, and one detection component is deployed in the area where a photovoltaic panel is located to obtain the irradiance received by the photovoltaic panel.

[0037] The data processing component communicates with multiple detection components and is configured to perform the following steps:

[0038] S10. Obtain the irradiance obtained by the first detection component and the second detection component that are furthest apart, and determine whether the difference in irradiance obtained by the first detection component and the second detection component exceeds the first preset irradiance difference.

[0039] S20. When it is determined that the difference in irradiance obtained by the first detection component and the second detection component does not exceed the first preset irradiance difference, the total irradiance is obtained based on the first detection component and the second detection component.

[0040] The detection components are deployed in the area where the photovoltaic panels are located. This can be done by placing the detection components directly on the photovoltaic panels, or by placing them beside and close to the photovoltaic panels, ensuring that the detection components and the corresponding photovoltaic panels receive the same level of irradiance. The arrangement of the detection components can be the same or different for different photovoltaic panels.

[0041] The data processing component and the detection component can be connected via a wired connection or a wireless connection.

[0042] The first and second detection components, which are furthest apart, can be manually confirmed to obtain the first and second detection components. Once confirmed, the first and second detection components are located at opposite ends of the photovoltaic panel cluster.

[0043] The initial preset irradiance difference can be set based on the scale of the photovoltaic panel cluster and through multiple experiments. Generally speaking, the larger the scale of the photovoltaic panel cluster, the larger the initial preset irradiance difference can be set.

[0044] Total irradiance refers to the sum of the irradiance acquired by all detection components. Based on the first and second detection components, the total irradiance is obtained by calculating the irradiance acquired by the first and second detection components, using this calculated value as the theoretical irradiance for each detection component, and then multiplying it by the number of detection components to obtain the total irradiance. In some examples, the average value of the first and second detection components can be calculated, and this average value can be used as the theoretical irradiance for each detection component. In other examples, different weights can be assigned to the first and second detection components to obtain a weighted average value, which can then be used as the theoretical irradiance for each detection component.

[0045] When it is determined that the difference in irradiance obtained by the first detection component and the second detection component exceeds the first preset irradiance difference, because the difference in irradiance obtained by the first detection component and the second detection component is too large, the result of obtaining the total irradiance based on the first detection component and the second detection component will have a large difference. At this time, the irradiance obtained by each detection component can be obtained in turn to obtain the total irradiance. Other methods can also be used. One embodiment is reflected in other embodiments, which will not be described in detail here.

[0046] In the above embodiments, the total irradiance of all detection components can be obtained by acquiring the irradiance of a small number of detection components. This allows for a comparison between the theoretical and actual power generation of the photovoltaic panel group under this total irradiance condition, aiding in the determination of whether any photovoltaic panels in the group are faulty. The above embodiments improve the detection efficiency of the photovoltaic panel fault detection system, reduce its cost, and enhance its overall economic efficiency.

[0047] In some embodiments, the data processing component is also configured to perform the following steps:

[0048] S30. When it is determined that the difference in irradiance obtained by the first detection component and the second detection component exceeds the first preset irradiance difference, the irradiance obtained by the first intermediate detection component that is closest to the midpoint of the line connecting the first detection component and the second detection component is obtained.

[0049] S40. Determine whether the difference between the irradiance obtained by the first detection component and the irradiance obtained by the first intermediate detection component exceeds a first preset irradiance difference value, and determine whether the difference between the irradiance obtained by the second detection component and the irradiance obtained by the first intermediate detection component exceeds the first preset irradiance difference value.

[0050] S50. Using the perpendicular bisector of the line connecting the first detection component and the second detection component as the boundary, the area closer to the first detection component is designated as the first region, and the area closer to the second detection component is designated as the second region. When it is determined that the difference between the irradiance obtained by the first detection component and the irradiance obtained by the first intermediate detection component does not exceed a first preset irradiance difference value, the irradiance of all components within the first region is obtained based on the first detection component and the first intermediate detection component.

[0051] S60. Still using the perpendicular bisector of the line connecting the first detection component and the second detection component as the boundary, the area closer to the first detection component is designated as the first region, and the area closer to the second detection component is designated as the second region. When it is determined that the difference between the irradiance obtained by the second detection component and the irradiance obtained by the first intermediate detection component does not exceed the first preset irradiance difference value, the irradiance of all components within the second region is obtained based on the second detection component and the first intermediate detection component.

[0052] S70. Based on all the irradiance in the first region, all the irradiance in the second region, and the irradiance of all the detection components on the perpendicular bisector of the line connecting the first and second detection components, the total irradiance of all detection components is obtained.

[0053] The detection component closest to the midpoint of the line connecting the first detection component and the second detection component can be one or more. When there are multiple components, any one of them can be selected as the first intermediate detection component.

[0054] The area closer to the first detection component and the area closer to the perpendicular bisector of the line connecting the first detection component and the second detection component is the first region, the area closer to the second detection component is the second region, and the detection component located on the perpendicular bisector is the third region.

[0055] Based on the first detection component and the first intermediate detection component, the irradiance of all components in the first region is obtained; and based on the second detection component and the first intermediate detection component, the irradiance of all components in the second region is obtained. This can be obtained by referring to the method of obtaining the total irradiance of all detection components based on the first and second detection components.

[0056] The irradiance of all detection components located on the vertical line can be obtained by separately acquiring the irradiance of each detection component on the vertical line, or by using the irradiance acquired by the first intermediate detection component as the irradiance of each detection component on the vertical line, thereby obtaining the irradiance of all detection components on the vertical line.

[0057] By setting up the above embodiments, multiple regions with more similar irradiance can be obtained. Then, by performing a unified irradiance calculation on the regions with more similar irradiance, the detection efficiency of the photovoltaic panel fault detection system can be improved, the cost of the photovoltaic panel fault detection system can be reduced, and the overall economy can be improved. At the same time, the accuracy of the total irradiance obtained can also be improved.

[0058] In some embodiments, the method for obtaining the irradiance of all detection components on the perpendicular bisector of the line connecting the first detection component and the second detection component includes:

[0059] S701. Using the irradiance obtained by the first intermediate detection component as the irradiance of each detection component on the perpendicular bisector of the line connecting the first detection component and the second detection component, the irradiance of all detection components on the perpendicular bisector of the line connecting the first detection component and the second detection component is obtained.

[0060] In the above embodiments, taking the first intermediate detection component as an example, the irradiance acquired by the first intermediate detection component is assigned to the irradiance of each detection component on the vertical axis, thereby calculating the irradiance of all detection components on the vertical axis. Through the above embodiments, the accuracy of the acquired total irradiance can be improved while further reducing the amount of data required from the detection components, thereby further reducing the cost of the photovoltaic panel fault detection system and improving overall economic efficiency.

[0061] In some embodiments, the data processing component further includes being configured to perform the following steps:

[0062] S80. When it is determined that the difference between the irradiance obtained by the first detection component and the irradiance obtained by the first intermediate detection component exceeds the first preset irradiance difference value, the first intermediate detection component is used as the new second detection component. The search continues to find a new first intermediate detection component between the first detection component and the new second detection component and the difference between the two is repeated. When the difference does not exceed the first preset irradiance difference value, the total irradiance of all detection components in the corresponding area is obtained.

[0063] In the above embodiments, when it is determined that the difference between the irradiance obtained by the first detection component and the irradiance obtained by the first intermediate detection component exceeds the first preset irradiance difference, the first intermediate detection component is used as the new second detection component, and steps S30-S80 are repeated until the total irradiance of all detection components is finally obtained.

[0064] By setting up the above embodiments, it is possible to obtain more accurate total irradiance while acquiring as little data as possible from the detection components. This achieves the goals of improving the detection efficiency of the photovoltaic panel fault detection system, reducing the cost of the photovoltaic panel fault detection system, improving the overall economy, and also improving the accuracy of the acquired total irradiance.

[0065] In some embodiments, the data processing component is also configured to perform the following steps:

[0066] S90. When it is determined that the difference between the irradiance obtained by the second detection component and the irradiance obtained by the first intermediate detection component exceeds the first preset irradiance difference value, the first intermediate detection component is used as the new first detection component. The search continues to find a new first intermediate detection component between the new first detection component and the second detection component and the difference between the two is repeated. If the difference does not exceed the first preset irradiance difference value, the total irradiance of all detection components in the corresponding area is obtained.

[0067] In the above embodiments, when it is determined that the difference between the irradiance obtained by the second detection component and the irradiance obtained by the first intermediate detection component exceeds the first preset irradiance difference, the first intermediate detection component is used as the new first detection component, and steps S30-S80 are repeated until the total irradiance of all detection components is finally obtained.

[0068] By setting up the above embodiments, it is possible to obtain more accurate total irradiance while acquiring as little data as possible from the detection components. This achieves the goals of improving the detection efficiency of the photovoltaic panel fault detection system, reducing the cost of the photovoltaic panel fault detection system, improving the overall economy, and also improving the accuracy of the acquired total irradiance.

[0069] In some embodiments, step S50, based on the first detection component and the first intermediate detection component, obtains the irradiance of all areas within the first region, including:

[0070] S501. The average value of the irradiance obtained by the first detection component and the irradiance obtained by the first intermediate detection component is used as the irradiance obtained by each detection component in the first region, and all irradiances in the first region are calculated.

[0071] With the above-described embodiments, the total theoretical irradiance of all detection components in the first region can be calculated in a simple and intuitive way, avoiding complex weighted calculations. While ensuring a certain level of accuracy, the data processing flow is further simplified, and the efficiency of total irradiance calculation is improved.

[0072] In some embodiments, based on the second detection component and the first intermediate detection component, the irradiance of all areas within the second region is obtained as follows:

[0073] The average of the irradiance obtained by the second detection component and the irradiance obtained by the first intermediate detection component is used as the irradiance obtained by one detection component in the second region, and all the irradiances in the second region are calculated.

[0074] In some embodiments, obtaining the total irradiance based on the first detection component and the second detection component includes: taking the average of the irradiance obtained by the first detection component and the irradiance obtained by the second detection component as the irradiance obtained by a single detection component, and calculating the total irradiance.

[0075] The above-described embodiments enable a direct and efficient determination of the theoretical irradiance of each detection component. Specifically, the average irradiance of the two farthest detection components is taken as the unified theoretical irradiance for all components, and then multiplied by the total number of detection components to obtain the total irradiance. This method significantly reduces data acquisition, eliminating the need for real-time data from each detection component. Total irradiance estimation can be completed using only two key detection points. In scenarios with large-scale photovoltaic panel clusters and relatively uniform irradiance distribution, this method ensures computational efficiency while meeting the basic requirements for total irradiance assessment, further highlighting the advantages of this monitoring instrument in terms of cost control and practicality.

[0076] This document uses specific examples to illustrate the principles and implementation methods of this application. The descriptions of the above embodiments are only for the purpose of helping to understand the methods and core ideas of this application. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this application. Therefore, the content of this specification should not be construed as a limitation of this application.

Claims

1. A monitoring instrument for total solar irradiance in mountainous areas, characterized in that, include: The detection component includes multiple components, with one detection component deployed in the area where a photovoltaic panel is located to obtain the irradiance received by the photovoltaic panel; A data processing component, communicatively connected to multiple detection components, is configured to: The irradiance obtained by the first and second detection components that are furthest apart is obtained, and it is determined whether the difference between the irradiance obtained by the first and second detection components exceeds a first preset irradiance difference. When it is determined that the difference in irradiance obtained by the first detection component and the second detection component does not exceed the first preset irradiance difference, the total irradiance is obtained based on the first detection component and the second detection component.

2. The monitoring instrument for total solar irradiance in mountainous areas as described in claim 1, characterized in that, The data processing component is also configured to: When it is determined that the difference in irradiance obtained by the first detection component and the second detection component exceeds the first preset irradiance difference, the irradiance obtained by the first intermediate detection component that is closest to the midpoint of the line connecting the first detection component and the second detection component is obtained. Determine whether the difference between the irradiance obtained by the first detection component and the irradiance obtained by the first intermediate detection component exceeds a first preset irradiance difference value, and determine whether the difference between the irradiance obtained by the second detection component and the irradiance obtained by the first intermediate detection component exceeds a first preset irradiance difference value. Using the perpendicular bisector of the line connecting the first detection component and the second detection component as the boundary, the area closer to the first detection component is designated as the first region, and the area closer to the second detection component is designated as the second region. When it is determined that the difference between the irradiance obtained by the first detection component and the irradiance obtained by the first intermediate detection component does not exceed the first preset irradiance difference, all irradiances within the first region are obtained based on the first detection component and the first intermediate detection component. When it is determined that the difference between the irradiance obtained by the second detection component and the irradiance obtained by the first intermediate detection component does not exceed the first preset irradiance difference, the irradiance of all areas in the second region is obtained based on the second detection component and the first intermediate detection component. The total irradiance of all detection components is obtained based on the irradiance of all components in the first region, the irradiance of all components in the second region, and the irradiance of all detection components on the perpendicular bisector of the line connecting the first and second detection components.

3. The monitoring instrument for total solar irradiance in mountainous areas as described in claim 2, characterized in that, The methods for obtaining the irradiance of all detection components on the perpendicular bisector of the line connecting the first and second detection components include: The irradiance obtained by the first intermediate detection component is used as the irradiance of each detection component on the perpendicular bisector of the line connecting the first and second detection components, thus obtaining the irradiance of all detection components on the perpendicular bisector of the line connecting the first and second detection components.

4. The monitoring instrument for total solar irradiance in mountainous areas as described in claim 2, characterized in that, The data processing component is also configured to: When it is determined that the difference between the irradiance obtained by the first detection component and the irradiance obtained by the first intermediate detection component exceeds the first preset irradiance difference value, the first intermediate detection component is used as the new second detection component. The search continues to find a new first intermediate detection component between the first detection component and the new second detection component and the difference between the two is repeated. When the difference does not exceed the first preset irradiance difference value, the total irradiance of all detection components in the corresponding area is obtained.

5. The monitoring instrument for total solar irradiance in mountainous areas as described in claim 2, characterized in that, The data processing component is also configured to: When it is determined that the difference between the irradiance obtained by the second detection component and the irradiance obtained by the first intermediate detection component exceeds the first preset irradiance difference value, the first intermediate detection component is used as the new first detection component. The search continues to find a new first intermediate detection component between the new first detection component and the second detection component and the difference between the two is repeated. If the difference does not exceed the first preset irradiance difference value, the total irradiance of all detection components in the corresponding area is obtained.

6. The monitoring instrument for total solar irradiance in mountainous areas as described in claim 2, characterized in that, Based on the first detection component and the first intermediate detection component, the irradiance of all components in the first region is obtained as follows: The average of the irradiance obtained by the first detection component and the irradiance obtained by the first intermediate detection component is used as the irradiance obtained by each detection component in the first region, and all the irradiances in the first region are calculated.

7. The monitoring instrument for total solar irradiance in mountainous areas as described in claim 2, characterized in that, Based on the second detection component and the first intermediate detection component, the irradiance of all components in the second region is obtained as follows: The average of the irradiance obtained by the second detection component and the irradiance obtained by the first intermediate detection component is used as the irradiance obtained by one detection component in the second region, and all the irradiances in the second region are calculated.

8. The monitoring instrument for total solar irradiance in mountainous areas as described in claim 1, characterized in that, The total irradiance is obtained based on the first detection component and the second detection component by taking the average of the irradiance obtained by the first detection component and the irradiance obtained by the second detection component as the irradiance obtained by a single detection component, and then calculating the total irradiance.

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