阅读说明：本技术 一种自清洁光伏阵列系统 (Self-cleaning photovoltaic array system ) 是由 苏红月 代松 周海亮 陈敬欣 张翼飞 于 2021-08-31 设计创作，主要内容包括：本发明公开了一种自清洁光伏阵列系统,自清洁光伏阵列系统包括光伏阵列系统、控制系统、水循环系统,其中,光伏阵列系统由若干个光伏阵列组构成,其中,每个光伏阵列组设置在目标建筑的不同部位；控制系统分别与光伏阵列系统、水循环系统连接,用于通过采集每个光伏阵列组的开路电压、阵列温度,控制水循环系统为每个光伏阵列供水；水循环系统用于为光伏阵列系统供水；本发明提供的自清洁光伏阵列系统,实现了光伏阵列组的智能清洁控制,填补了行业空白。(The invention discloses a self-cleaning photovoltaic array system, which comprises a photovoltaic array system, a control system and a water circulation system, wherein the photovoltaic array system consists of a plurality of photovoltaic array groups, and each photovoltaic array group is arranged at different parts of a target building; the control system is respectively connected with the photovoltaic array system and the water circulation system and is used for controlling the water circulation system to supply water for each photovoltaic array by collecting the open-circuit voltage and the array temperature of each photovoltaic array group; the water circulation system is used for supplying water to the photovoltaic array system; the self-cleaning photovoltaic array system provided by the invention realizes intelligent cleaning control of the photovoltaic array group and fills up the industrial blank.)

1. A self-cleaning photovoltaic array system, comprising a photovoltaic array system, a control system, a water circulation system, wherein,

the photovoltaic array system is composed of a plurality of photovoltaic array groups, wherein each photovoltaic array group is arranged at different parts of a target building;

the control system is respectively connected with the photovoltaic array system and the water circulation system and is used for controlling the water circulation system to supply water for each photovoltaic array by collecting the open-circuit voltage and the array temperature of each photovoltaic array group;

the water circulation system is used for supplying water for the photovoltaic array system.

2. A self-cleaning photovoltaic array system of claim 1,

the photovoltaic array system at least comprises a roof photovoltaic array unit and a photovoltaic curtain wall array unit;

the roof photovoltaic array unit and the photovoltaic curtain wall array unit are respectively composed of a plurality of groups of photovoltaic arrays, each group of photovoltaic arrays is composed of a plurality of photovoltaic modules, each photovoltaic module is composed of a plurality of photovoltaic components, wherein,

each of the photovoltaic modules comprises a light-emitting diode,

the front end of the glass is made of ultra-white toughened glass;

the rear end is made of toughened glass and further comprises a waterway inlet, a waterway and a waterway outlet which are arranged in the toughened glass;

and the photovoltaic unit group is packaged between the front end of the glass and the rear end.

3. A self-cleaning photovoltaic array system of claim 2,

the waterway inlet comprises a longitudinal waterway inlet;

the waterway outlet comprises a transverse waterway outlet and a longitudinal waterway outlet;

the waterway comprises a transverse waterway and a longitudinal waterway;

the transverse waterway outlet of the roof photovoltaic array unit is in a closed state;

the transverse waterway outlet of the photovoltaic curtain wall array unit is in an open state;

the longitudinal water flow outlet of each photovoltaic assembly of the photovoltaic curtain wall array is connected with the longitudinal water path inlet;

the longitudinal water flow outlet of each photovoltaic module of the roof photovoltaic array unit comprises a first outlet and a second outlet, the first outlet is connected with the longitudinal water path inlet, and the second outlet is used for supplying water to the upper surface of a next-stage photovoltaic module, wherein the next-stage photovoltaic module is used for dividing a target building into a plurality of stages of photovoltaic modules from top to bottom according to the trend of the target building, the photovoltaic module at the top end of the target building is used as a first-stage photovoltaic module, and the next-stage photovoltaic module is determined according to the first-stage photovoltaic module;

each piece of the photovoltaic curtain wall array unit is provided with the longitudinal water outlet of the photovoltaic assembly and the longitudinal water inlet of the next-stage photovoltaic assembly.

4. A self-cleaning photovoltaic array system of claim 3,

the longitudinal waterway inlet of the first-stage photovoltaic assembly is also connected with a water storage device or a water outlet device, and is used for supplying water to the upper surface of the first-stage photovoltaic assembly and the upper surface of the first-stage photovoltaic assembly.

5. A self-cleaning photovoltaic array system of claim 4,

the toughened glass also comprises a first water storage unit and a second water storage unit inside;

the waterway inlet is connected with the waterway through the first water storage unit;

the waterway is connected with the waterway outlet through the second water storage unit;

the first water storage unit comprises a first water storage area;

the second water storage unit comprises a second water storage area;

the first water storage area of the rooftop photovoltaic array unit is 4-6 times the second water storage area;

the first water storage area of the photovoltaic curtain wall array unit is 1-2 times of the second water storage area.

6. A self-cleaning photovoltaic array system of claim 5,

the control system comprises a first control system and a second control system;

the first control system is respectively connected with each group of photovoltaic arrays of the roof photovoltaic array unit and the photovoltaic curtain wall array unit, and is used for collecting a first open-circuit voltage and a first array temperature of each group of photovoltaic arrays and controlling the water circulation system to respectively supply water to the roof photovoltaic array unit and the photovoltaic curtain wall array unit;

the second control system is respectively connected with the roof photovoltaic array unit and each photovoltaic module of the photovoltaic curtain wall array unit and is used for collecting a second open-circuit voltage and a second array temperature of each photovoltaic module and providing reference information for the first control system.

7. A self-cleaning photovoltaic array system of claim 6,

the first control system comprises a first analysis module, the first analysis module is used for obtaining a first instruction according to the first open-circuit voltage, the first analysis module is used for obtaining a second instruction according to the first array temperature, the first analysis module is used for obtaining a third instruction according to the first open-circuit voltage and the first array temperature, the first instruction is used for controlling the water circulation system to supply water for the roof photovoltaic array unit, the second instruction is used for controlling the water circulation system to supply water for the photovoltaic curtain wall array unit, and the third instruction is used for controlling the water circulation system to supply water for the roof photovoltaic array unit and the photovoltaic curtain wall array unit respectively.

8. A self-cleaning photovoltaic array system of claim 7,

the second control system comprises a second analysis module, the second analysis module is used for obtaining first reference information according to a second open-circuit voltage, the second analysis module is used for obtaining second reference information according to a second array temperature, the second analysis module is used for obtaining third reference data according to the second open-circuit voltage and the second array temperature, and the first reference data is used for the first analysis module to obtain the first instruction according to the first reference data and the first open-circuit voltage; the second reference data is used for the first analysis module to obtain the second instruction according to the second reference data and the first array temperature; the third reference data is used for the first analysis module to obtain the third instruction according to the third reference data, the first open-circuit voltage and the first array temperature.

9. A self-cleaning photovoltaic array system of claim 8,

the first analysis module comprises a first threshold unit and a second threshold unit;

the first threshold unit is used for obtaining an open-circuit voltage threshold according to first historical data of the first open-circuit voltage, wherein the first historical data is used for representing the first open-circuit voltage when the roof photovoltaic array unit and the photovoltaic curtain wall array unit work normally;

the second threshold unit is configured to obtain the array temperature threshold according to a normal operating temperature of the self-cleaning photovoltaic array system, where the normal operating temperature is-40 ℃ to 85 ℃, the array temperature threshold obtains a first temperature set by collecting the normal operating temperature and removing a first maximum value and a first minimum value of the normal operating temperature, averages the first temperature set to obtain a first threshold, and obtains a second threshold by averaging the first maximum value and the first minimum value to obtain a second threshold, where when the first threshold is less than or equal to the second threshold, the array temperature threshold is the first threshold, and when the first threshold is greater than the second threshold, the array temperature threshold is the second threshold.

10. A self-cleaning photovoltaic array system of claim 9,

the first control system further comprises a third analysis module;

the third analysis module is configured to obtain first determination information according to the open-circuit voltage threshold and the first reference information, where the first determination information is used to indicate whether the open-circuit voltage of each photovoltaic module is normal;

the third analysis module is configured to obtain second determination information according to the array temperature threshold and the second reference information, where the second determination information is used to indicate whether the array temperature of each photovoltaic module is normal;

the first analysis module is connected to the third analysis module, and is configured to acquire the first determination information and the second determination information, and obtain the third instruction through the first reference information, the second reference information, the first open-circuit voltage, and the first array temperature.

Technical Field

The invention belongs to the field of photovoltaic power generation, and particularly relates to a self-cleaning photovoltaic array system.

Background

The photovoltaic module, i.e. the solar cell module, has low output voltage of the monolithic solar cells, and the electrodes of the unpackaged cells are easy to fall off due to the influence of the environment, so a certain number of monolithic cells are sealed into the photovoltaic module in a series-parallel connection mode to avoid the corrosion of the cell electrodes and interconnection lines. The photovoltaic module is divided into a crystalline silicon solar cell module and a thin film solar cell module according to the materials of the solar cell.

The traditional photovoltaic array group consists of different photovoltaic arrays, each photovoltaic array is formed by combining a plurality of photovoltaic modules, the photovoltaic array group is not only influenced by geography and large in influence of climate environment, but also is inconvenient to clean, the power generation efficiency is seriously influenced, time and labor consumption and certain danger are caused when the photovoltaic array group is cleaned, the automatic capacity of the existing photovoltaic system is weaker, whether cleaning and how cleaning are needed cannot be judged by self, a photovoltaic array system with a self-cleaning function is urgently needed, the market demand can be met, and a digital new thought is provided for the photovoltaic field.

Disclosure of Invention

In order to solve the above problems, the present invention provides a self-cleaning photovoltaic array system, comprising a photovoltaic array system, a control system, a water circulation system, wherein,

the photovoltaic array system is composed of a plurality of photovoltaic array groups, wherein each photovoltaic array group is arranged at different parts of a target building;

the control system is respectively connected with the photovoltaic array system and the water circulation system and is used for controlling the water circulation system to supply water for each photovoltaic array by collecting the open-circuit voltage and the array temperature of each photovoltaic array group;

the water circulation system is used for supplying water for the photovoltaic array system.

Preferably, the photovoltaic array system at least comprises a roof photovoltaic array unit and a photovoltaic curtain wall array unit;

the roof photovoltaic array unit and the photovoltaic curtain wall array unit are respectively composed of a plurality of groups of photovoltaic arrays, each group of photovoltaic arrays is composed of a plurality of photovoltaic modules, each photovoltaic module is composed of a plurality of photovoltaic modules, wherein,

each of the photovoltaic modules comprises a light-emitting diode,

the front end of the glass is made of ultra-white toughened glass;

the rear end is made of toughened glass and also comprises a waterway inlet, a waterway and a waterway outlet which are arranged in the toughened glass;

and the photovoltaic unit group is packaged between the front end and the rear end of the glass.

Preferably, the waterway inlet comprises a longitudinal waterway inlet;

the waterway outlet comprises a transverse waterway outlet and a longitudinal waterway outlet;

the waterway comprises a transverse waterway and a longitudinal waterway;

the transverse waterway outlet of the roof photovoltaic array unit is in a closed state;

the transverse waterway outlet of the photovoltaic curtain wall array unit is in an open state;

a longitudinal water flow outlet of each photovoltaic assembly of the photovoltaic curtain wall array is connected with a longitudinal water path inlet;

the longitudinal water flow outlet of each photovoltaic assembly of the roof photovoltaic array unit comprises a first outlet and a second outlet, the first outlet is connected with the longitudinal water path inlet, the second outlet is used for supplying water to the upper surface of the next-stage photovoltaic assembly, the next-stage photovoltaic assembly is used for representing the trend of a target building and is divided into a plurality of stages of photovoltaic assemblies from top to bottom, the photovoltaic assembly at the top end of the target building is used as the first-stage photovoltaic assembly, and the next-stage photovoltaic assembly is determined according to the first-stage photovoltaic assembly;

and a longitudinal water outlet of each photovoltaic assembly of the photovoltaic curtain wall array unit is connected with a longitudinal water inlet of the next-stage photovoltaic assembly.

Preferably, the longitudinal waterway inlet of the first-stage photovoltaic module is further connected with a water storage device or a water outlet device for supplying water to the first-stage photovoltaic module and the upper surface of the first-stage photovoltaic module.

Preferably, the toughened glass also comprises a first water storage unit and a second water storage unit inside;

the waterway inlet is connected with the waterway through the first water storage unit;

the water channel is connected with the water channel outlet through a second water storage unit;

the first water storage unit comprises a first water storage area;

the second water storage unit comprises a second water storage area;

the first water storage area of the roof photovoltaic array unit is 4-6 times of the second water storage area;

the first water storage area of the photovoltaic curtain wall array unit is 1-2 times of the second water storage area.

Preferably, the control system comprises a first control system, a second control system;

the first control system is respectively connected with each group of photovoltaic arrays of the roof photovoltaic array unit and the photovoltaic curtain wall array unit, is used for collecting a first open-circuit voltage and a first array temperature of each group of photovoltaic arrays, and controls the water circulation system to respectively supply water for the roof photovoltaic array unit and the photovoltaic curtain wall array unit;

the second control system is respectively connected with each photovoltaic module of the roof photovoltaic array unit and the photovoltaic curtain wall array unit and used for collecting a second open-circuit voltage and a second array temperature of each photovoltaic module and providing reference information for the first control system.

Preferably, the first control system comprises a first analysis module, the first analysis module is used for obtaining a first instruction according to the first open-circuit voltage, the first analysis module is used for obtaining a second instruction according to the first array temperature, the first analysis module is used for obtaining a third instruction according to the first open-circuit voltage and the first array temperature, the first instruction is used for controlling the water circulation system to supply water for the roof photovoltaic array unit, the second instruction is used for controlling the water circulation system to supply water for the photovoltaic curtain wall array unit, and the third instruction is used for controlling the water circulation system to supply water for the roof photovoltaic array unit and the photovoltaic curtain wall array unit respectively.

Preferably, the second control system comprises a second analysis module, the second analysis module is used for obtaining first reference information according to the second open-circuit voltage, the second analysis module is used for obtaining second reference information according to the second array temperature, the second analysis module is used for obtaining third reference data according to the second open-circuit voltage and the second array temperature, and the first reference data is used for the first analysis module to obtain the first instruction according to the first reference data and the first open-circuit voltage; the second reference data is used for the first analysis module to obtain a second instruction according to the second reference data and the first array temperature; the third reference data is used for the first analysis module to obtain a third instruction according to the third reference data, the first open-circuit voltage and the first array temperature.

Preferably, the first analysis module comprises a first threshold unit, a second threshold unit;

the first threshold unit is used for obtaining an open-circuit voltage threshold according to first historical data of a first open-circuit voltage, wherein the first historical data is used for representing the first open-circuit voltage when the roof photovoltaic array unit and the photovoltaic curtain wall array unit work normally;

the second threshold unit is used for obtaining an array temperature threshold according to the normal working temperature of the self-cleaning photovoltaic array system, wherein the normal working temperature is-40 ℃ to 85 ℃, the array temperature threshold obtains a first temperature set by collecting the normal working temperature and removing a first maximum value and a first minimum value of the normal working temperature, the first temperature set is averaged to obtain a first threshold, the first maximum value and the first minimum value are averaged to obtain a second threshold, when the first threshold is smaller than or equal to the second threshold, the array temperature threshold is the first threshold, and when the first threshold is larger than the second threshold, the array temperature threshold is the second threshold.

Preferably, the first control system further comprises a third analysis module;

the third analysis module is used for obtaining first judgment information according to the open-circuit voltage threshold value and the first reference information, wherein the first judgment information is used for indicating whether the open-circuit voltage of each photovoltaic module is normal or not;

the third analysis module is used for obtaining second judgment information according to the array temperature threshold and the second reference information, wherein the second judgment information is used for indicating whether the array temperature of each photovoltaic module is normal or not;

the first analysis module is connected with the third analysis module and used for acquiring the first judgment information and the second judgment information and obtaining a third instruction through the first reference information, the second reference information, the first open-circuit voltage and the first array temperature.

The positive progress effects of the invention are as follows:

the photovoltaic array system provided by the invention realizes intelligent cleaning control of the photovoltaic array group and fills up the industrial blank.

Drawings

FIG. 1 is a schematic diagram of a self-cleaning photovoltaic array system according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

As shown in fig. 1, the present invention provides a self-cleaning photovoltaic array system, comprising a photovoltaic array system, a control system, a water circulation system, wherein,

the photovoltaic array system is composed of a plurality of photovoltaic array groups, wherein each photovoltaic array group is arranged at different parts of a target building;

the control system is respectively connected with the photovoltaic array system and the water circulation system and is used for controlling the water circulation system to supply water for each photovoltaic array by collecting the open-circuit voltage and the array temperature of each photovoltaic array group;

the water circulation system is used for supplying water for the photovoltaic array system.

The photovoltaic array system at least comprises a roof photovoltaic array unit and a photovoltaic curtain wall array unit; the roof photovoltaic array unit and the photovoltaic curtain wall array unit are respectively composed of a plurality of groups of photovoltaic arrays, each group of photovoltaic arrays is composed of a plurality of photovoltaic modules, each photovoltaic module is composed of a plurality of photovoltaic modules, wherein,

each of the photovoltaic modules comprises a light-emitting diode,

the front end of the glass is made of ultra-white toughened glass;

the rear end is made of toughened glass and also comprises a waterway inlet, a waterway and a waterway outlet which are arranged in the toughened glass;

and the photovoltaic unit group is packaged between the front end and the rear end of the glass.

The waterway inlet comprises a longitudinal waterway inlet; the waterway outlet comprises a transverse waterway outlet and a longitudinal waterway outlet; the waterway comprises a transverse waterway and a longitudinal waterway; the transverse waterway outlet of the roof photovoltaic array unit is in a closed state; the transverse waterway outlet of the photovoltaic curtain wall array unit is in an open state; a longitudinal water flow outlet of each photovoltaic assembly of the photovoltaic curtain wall array is connected with a longitudinal water path inlet; the longitudinal water flow outlet of each photovoltaic assembly of the roof photovoltaic array unit comprises a first outlet and a second outlet, the first outlet is connected with the longitudinal water path inlet, the second outlet is used for supplying water to the upper surface of the next-stage photovoltaic assembly, the next-stage photovoltaic assembly is used for representing the trend of a target building and is divided into a plurality of stages of photovoltaic assemblies from top to bottom, the photovoltaic assembly at the top end of the target building is used as the first-stage photovoltaic assembly, and the next-stage photovoltaic assembly is determined according to the first-stage photovoltaic assembly; and a longitudinal water outlet of each photovoltaic assembly of the photovoltaic curtain wall array unit is connected with a longitudinal water inlet of the next-stage photovoltaic assembly.

The longitudinal waterway inlet of the first-stage photovoltaic assembly is also connected with a water storage device or a water outlet device for supplying water to the upper surfaces of the first-stage photovoltaic assembly and the first-stage photovoltaic assembly.

The toughened glass also comprises a first water storage unit and a second water storage unit inside; the waterway inlet is connected with the waterway through the first water storage unit; the water channel is connected with the water channel outlet through a second water storage unit; the first water storage unit comprises a first water storage area; the second water storage unit comprises a second water storage area; the first water storage area of the roof photovoltaic array unit is 4-6 times of the second water storage area; the first water storage area of the photovoltaic curtain wall array unit is 1-2 times of the second water storage area.

The control system comprises a first control system and a second control system; the first control system is respectively connected with each group of photovoltaic arrays of the roof photovoltaic array unit and the photovoltaic curtain wall array unit, is used for collecting a first open-circuit voltage and a first array temperature of each group of photovoltaic arrays, and controls the water circulation system to respectively supply water for the roof photovoltaic array unit and the photovoltaic curtain wall array unit; the second control system is respectively connected with each photovoltaic module of the roof photovoltaic array unit and the photovoltaic curtain wall array unit and used for collecting a second open-circuit voltage and a second array temperature of each photovoltaic module and providing reference information for the first control system.

The first control system comprises a first analysis module, the first analysis module is used for obtaining a first instruction according to first open circuit voltage, the first analysis module is used for obtaining a second instruction according to first array temperature, the first analysis module is used for obtaining a third instruction according to the first open circuit voltage and the first array temperature, the first instruction is used for controlling the water circulation system to supply water for the roof photovoltaic array unit, the second instruction is used for controlling the water circulation system to supply water for the photovoltaic curtain wall array unit, and the third instruction is used for controlling the water circulation system to supply water for the roof photovoltaic array unit and the photovoltaic curtain wall array unit respectively.

The second control system comprises a second analysis module, the second analysis module is used for obtaining first reference information according to a second open-circuit voltage, the second analysis module is used for obtaining second reference information according to a second array temperature, the second analysis module is used for obtaining third reference data according to the second open-circuit voltage and the second array temperature, and the first reference data is used for the first analysis module to obtain a first instruction according to the first reference data and the first open-circuit voltage; the second reference data is used for the first analysis module to obtain a second instruction according to the second reference data and the first array temperature; the third reference data is used for the first analysis module to obtain a third instruction according to the third reference data, the first open-circuit voltage and the first array temperature.

The first analysis module comprises a first threshold unit and a second threshold unit; the first threshold unit is used for obtaining an open-circuit voltage threshold according to first historical data of a first open-circuit voltage, wherein the first historical data is used for representing the first open-circuit voltage when the roof photovoltaic array unit and the photovoltaic curtain wall array unit work normally; the second threshold unit is used for obtaining an array temperature threshold according to the normal working temperature of the self-cleaning photovoltaic array system, wherein the normal working temperature is-40 ℃ to 85 ℃, the array temperature threshold obtains a first temperature set by collecting the normal working temperature and removing a first maximum value and a first minimum value of the normal working temperature, the first temperature set is averaged to obtain a first threshold, the first maximum value and the first minimum value are averaged to obtain a second threshold, when the first threshold is smaller than or equal to the second threshold, the array temperature threshold is the first threshold, and when the first threshold is larger than the second threshold, the array temperature threshold is the second threshold.

The first control system further comprises a third analysis module; the third analysis module is used for obtaining first judgment information according to the open-circuit voltage threshold value and the first reference information, wherein the first judgment information is used for indicating whether the open-circuit voltage of each photovoltaic module is normal or not; the third analysis module is used for obtaining second judgment information according to the array temperature threshold and the second reference information, wherein the second judgment information is used for indicating whether the array temperature of each photovoltaic module is normal or not; the first analysis module is connected with the third analysis module and used for acquiring the first judgment information and the second judgment information and obtaining a third instruction through the first reference information, the second reference information, the first open-circuit voltage and the first array temperature.

The water circulation system at least comprises a water storage tank, a water pump, a water diversion pipeline and a monitoring system, wherein the monitoring system is used for collecting the working index of the water circulation system, the water storage tank is used for storing water, the water pump is used for supplying the water to the photovoltaic array system, and the water diversion pipeline is used for introducing the water into the water storage tank and uniformly distributing the water to the outer surface of the photovoltaic array system.

The self-cleaning photovoltaic array system further comprises a display module for displaying the working data of the self-cleaning photovoltaic array system.

The self-cleaning photovoltaic array system further comprises application systems applied to different application ends, the systems can know the working conditions of the system in real time through data interaction with the self-cleaning photovoltaic array system, and in the systems, the systems applied to a cloud server can perform big data analysis, further comprehensively analyze the self-cleaning photovoltaic array system and the environment, geography and other information applied by the system, fuse and judge the analysis result and real-time data, and provide technical basis for maintenance of the self-cleaning photovoltaic array system.

According to the self-cleaning photovoltaic array system provided by the invention, the system data of the photovoltaic array system is collected through the control system, the judgment is carried out by combining historical data, the intelligent control on the work of the clean photovoltaic array system is realized, in addition, the independent cleaning treatment can be carried out on different units in the photovoltaic array system through the independent judgment of open-circuit voltage or array temperature, the integral cleaning can also be carried out on the whole photovoltaic array through carrying out comprehensive analysis and periodically or according to the characteristic condition, the special requirements of users are met, the objective requirements of the geographic environments and the climatic environments of different regions on photovoltaic products can also be met, a wider space is provided for the application of the photovoltaic products, and the technical support is provided for the digital upgrading of the photovoltaic products.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus once an item is defined in one figure, it need not be further defined and explained in subsequent figures, and moreover, the terms "first", "second", "third", etc. are used merely to distinguish one description from another and are not to be construed as indicating or implying relative importance.

Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the present invention in its spirit and scope. Are intended to be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.