Photovoltaic electric power engineering surveying and mapping data system

Abstract

The utility model provides a photovoltaic electric power engineering surveying and mapping data system, which belongs to the technical field of photovoltaic electric power and comprises a plurality of distributed photovoltaic systems in different regions and a background monitoring system. The distributed photovoltaic system comprises a photovoltaic panel, an angle-adjustable support, a photovoltaic inverter, an alternating-current power distribution cabinet, a data acquisition device, an environment monitoring device and a sub-control device, the photovoltaic panel, the photovoltaic inverter and the alternating-current power distribution cabinet are connected in sequence, and the angle-adjustable support is connected with the photovoltaic panel to adjust the horizontal angle and the elevation angle of the photovoltaic panel. The data acquisition device is electrically connected with the photovoltaic panel, the photovoltaic inverter, the AC power distribution cabinet, the environment monitoring device, the sub-control device and the background monitoring system, and the sub-control device is electrically connected with the environment monitoring device, the angle adjustable support and the background monitoring system. The technical problem that in the prior art, photovoltaic systems in different regions cannot be subjected to personalized regulation and control at the same time, so that the power generation efficiency of the photovoltaic systems cannot be maximized is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic power, in particular to a photovoltaic power engineering surveying and mapping data system. Background Art

[0002] Photovoltaic power engineering surveying refers to the process of measuring and recording the environment and equipment parameters of a photovoltaic power station during the planning, design, construction and operation of the power station. This work is of great significance to ensuring the rational layout, efficient operation and long-term stability of the photovoltaic power station.

[0003] At present, in the process of photovoltaic power engineering surveying and mapping, it is impossible to simultaneously carry out personalized regulation of photovoltaic systems in different regions, which makes it impossible to maximize the power generation efficiency of photovoltaic systems. Therefore, how to monitor photovoltaic systems in different regions at the same time and adjust photovoltaic systems in different regions to maximize the power generation efficiency of photovoltaic systems in each region is a technical problem that needs to be solved urgently. Utility Model Content

[0004] The purpose of the embodiments of the present application is to provide a photovoltaic power engineering surveying and mapping data system to solve the technical problem in the prior art that photovoltaic systems in different regions cannot be personalized and regulated at the same time, making it impossible to maximize the power generation efficiency of the photovoltaic systems.

[0005] In order to achieve the above objectives, the embodiments of the present application adopt the following technical solutions:

[0006] A photovoltaic power engineering surveying and mapping data system, including several distributed photovoltaic systems and a background monitoring system;

[0007] The distributed photovoltaic systems are distributed in different regions, and include a plurality of photovoltaic panels, angle-adjustable brackets, photovoltaic inverters, AC power distribution cabinets, data acquisition devices, environmental monitoring devices, and sub-control devices.

[0008] Each photovoltaic panel is connected to an angle-adjustable bracket, and the angle-adjustable bracket can adjust the horizontal angle and elevation angle of the photovoltaic panel;

[0009] The photovoltaic panels are all electrically connected to the photovoltaic inverter, the photovoltaic inverter is electrically connected to the AC power distribution cabinet, and the AC power distribution cabinet is electrically connected to the user-side load and the public power grid in the region where the distributed photovoltaic system to which it belongs is located;

[0010] The data acquisition device is electrically connected to the photovoltaic panel, photovoltaic inverter, AC distribution cabinet and the environmental monitoring device, and is used to collect the temperature and output current and voltage of the photovoltaic panel, the input and output current and voltage of the photovoltaic inverter, the input and output current and voltage of the AC distribution cabinet, and receive environmental information about the area where the distributed photovoltaic system is located from the environmental monitoring device;

[0011] The sub-control device is electrically connected to the plurality of the angle-adjustable brackets so as to adjust the horizontal angle and elevation angle of the photovoltaic panel through the angle-adjustable brackets. The sub-control device is also electrically connected to the environmental monitoring device.

[0012] The data acquisition device and the sub-control device are both electrically connected to the background monitoring system.

[0013] In a photovoltaic power engineering surveying and mapping data system described in an embodiment of the present application, the distributed photovoltaic system further includes a combiner box and a DC cabinet;

[0014] The combiner box is electrically connected to the plurality of photovoltaic panels;

[0015] The DC cabinet is electrically connected to the combiner box and the photovoltaic inverter;

[0016] The combiner box and the DC cabinet are both electrically connected to the data acquisition device, and the data acquisition device is used to collect the input and output current and voltage of the combiner box and the input and output current and voltage of the DC cabinet.

[0017] In a photovoltaic power engineering surveying and mapping data system described in an embodiment of the present application, the distributed photovoltaic system further includes an energy storage device, and the energy storage device is electrically connected to the DC cabinet and the plurality of angle-adjustable brackets.

[0018] In a photovoltaic power engineering surveying and mapping data system described in an embodiment of the present application, a DC lightning arrester is provided in the combiner box and the DC cabinet, and an AC lightning arrester is provided in the AC distribution cabinet.

[0019] In a photovoltaic power engineering surveying and mapping data system described in an embodiment of the present application, the environmental monitoring device includes a temperature sensor, a humidity sensor, a wind speed sensor, a wind direction sensor, and an irradiation intensity detection device, and the environmental monitoring device is used to collect real-time temperature, humidity, wind speed, wind direction, and irradiation intensity information of the area where the distributed photovoltaic system is located;

[0020] The environmental monitoring device transmits the collected real-time temperature, humidity, wind speed, wind direction and radiation intensity information of the area where the distributed photovoltaic system is located to the background monitoring system through the data acquisition device.

[0021] In a photovoltaic power engineering surveying and mapping data system described in an embodiment of the present application, the irradiance intensity detection device is one of a global pyranometer, a direct pyranometer or a standard photovoltaic cell.

[0022] In a photovoltaic power engineering surveying and mapping data system described in an embodiment of the present application, the distributed photovoltaic system further includes a first power quality analyzer and a second power quality analyzer;

[0023] The first power quality analyzer is arranged between the AC power distribution cabinet and the user-side load, and is used to analyze the quality of the AC power input from the AC power distribution cabinet to the user-side load;

[0024] The second power quality analyzer is provided between the AC power distribution cabinet and the public power grid, and is used to analyze the quality of the AC power input from the AC power distribution cabinet to the public power grid;

[0025] The first power quality analyzer and the second power quality analyzer are both electrically connected to the data acquisition device so as to transmit the power quality data collected by the first power quality analyzer and the power quality data collected by the second power quality analyzer to the background monitoring system through the data acquisition device.

[0026] In a photovoltaic power engineering surveying and mapping data system described in an embodiment of the present application, the photovoltaic panel is a monocrystalline silicon solar cell panel.

[0027] In a photovoltaic power engineering surveying and mapping data system described in an embodiment of the present application, the background monitoring system includes a central processing unit and a display screen;

[0028] The central processing unit is electrically connected to the data acquisition device, the sub-control device and the display screen.

[0029] In a photovoltaic power engineering surveying and mapping data system described in an embodiment of the present application, the sub-control device is a PLC controller.

[0030] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0031] 1. By setting up several distributed photovoltaic systems in different regions, the environmental information of the region where a distributed photovoltaic system is located is monitored in real time through an environmental monitoring device, and the collected environmental information is transmitted to a sub-control device. The sub-control device controls the angle-adjustable bracket to adjust the horizontal angle and elevation angle of the photovoltaic panel based on the acquired environmental information to maximize the power generation efficiency of the photovoltaic panel. This solves the technical problem in the existing technology that photovoltaic systems in different regions cannot be personalized and adjusted at the same time, making it impossible to maximize the power generation efficiency of the photovoltaic system.

[0032] 2. By setting up a combiner box and a DC cabinet between the photovoltaic panels and the photovoltaic inverter, the distributed photovoltaic system can be easily separated during maintenance and repair.

[0033] 3. By providing an energy storage device electrically connected to the DC cabinet and the angle-adjustable bracket, the electric energy generated by the photovoltaic panel can be stored for use by the angle-adjustable bracket, thereby achieving self-sufficiency in the electric energy consumption of the angle-adjustable bracket.

[0034] 4. By installing DC lightning arresters in the combiner box and DC cabinet, and AC lightning arresters in the AC distribution cabinet, the combiner box, DC cabinet and AC distribution cabinet can be effectively protected from damage caused by lightning strikes.

[0035] 5. By setting up the first power quality analyzer and the second power quality analyzer, back-end personnel can obtain the quality of the power provided by the distributed photovoltaic system to the user-side load or the public power grid in real time, and then adjust the distributed photovoltaic system in a timely manner.

[0036] 6. By setting the photovoltaic panel to a monocrystalline silicon solar panel, the photoelectric conversion efficiency of the photovoltaic panel can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following is a brief introduction to the drawings required for the description of the embodiments. The drawings are not intended to be drawn to scale, and for the sake of clarity, not every component will be labeled in each figure. The drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work. Among them:

[0038] Figure 1 This is a schematic structural diagram of an embodiment of the present application.

[0039] Figure 2 This is a schematic structural diagram of a distributed photovoltaic system in an embodiment of the present application.

[0040] Description of reference numerals:

[0041] 1-Distributed photovoltaic system, 2-Backstage monitoring system, 3-Photovoltaic panel, 4-Angle-adjustable bracket, 5-Photovoltaic inverter, 6-AC power distribution cabinet, 7-Data acquisition device, 8-Environmental monitoring device, 9-Sub-control device, 10-User-side load, 11-Public power grid, 12-Combine box, 13-DC cabinet, 14-Energy storage device, 15-Temperature sensor, 16-Humidity sensor, 17-Wind speed sensor, 18-Wind direction sensor, 19-Irradiation intensity detection device, 20-First power quality analyzer, 21-Second power quality analyzer, 22-Central processing unit, 23-Display screen. DETAILED DESCRIPTION

[0042] Currently, during the surveying and mapping of photovoltaic power projects, it is not possible to simultaneously perform personalized regulation on photovoltaic systems in different regions, making it impossible to maximize the power generation efficiency of the photovoltaic systems.

[0043] In view of this, the concept of the embodiment of the present application is to set up several distributed photovoltaic systems in different regions, and use the environmental monitoring device in each distributed photovoltaic system to monitor the environmental information of the region where a distributed photovoltaic system is located in real time, and transmit the collected environmental information to the sub-control device. The sub-control device controls the angle-adjustable bracket to adjust the horizontal angle and elevation angle of the photovoltaic panel according to the acquired environmental information, so as to maximize the power generation efficiency of the photovoltaic panel, thereby solving the technical problem in the existing technology that photovoltaic systems in different regions cannot be personalized and controlled at the same time, making it impossible to maximize the power generation efficiency of the photovoltaic system.

[0044] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the embodiments described are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative efforts are within the scope of protection of this application.

[0045] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present application, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0046] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections, electrical connections, or mutual communication; they can refer to direct connections or indirect connections through an intermediate medium; they can refer to internal communication between two components or the interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0047] In this application, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0048] The disclosure below provides many different embodiments or examples for realizing different structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described below. Of course, they are merely examples and are not intended to limit the present application. In addition, the present application may repeat reference numbers and / or reference letters in different examples, and such repetition is for the purpose of simplicity and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the present application provides examples of various specific processes and materials, but those of ordinary skill in the art will appreciate the application of other processes and / or the use of other materials.

[0049] The embodiment of the present application provides a photovoltaic power engineering surveying and mapping data system, such as Figure 1 and Figure 2 A photovoltaic power engineering surveying and mapping data system includes several distributed photovoltaic systems 1 and a background monitoring system 2.

[0050] The distributed photovoltaic systems 1 are distributed in different regions. The distributed photovoltaic systems 1 include a plurality of photovoltaic panels 3, an angle-adjustable bracket 4, a photovoltaic inverter 5, an AC power distribution cabinet 6, a data acquisition device 7, an environmental monitoring device 8 and a sub-control device 9.

[0051] Specifically, the environmental monitoring device 8 includes a temperature sensor 15, a humidity sensor 16, a wind speed sensor 17, a wind direction sensor 18 and an irradiation intensity detection device 18. The environmental monitoring device 8 is used to collect real-time temperature, humidity, wind speed, wind direction and irradiation intensity information of the area where the distributed photovoltaic system 1 is located. The sub-control device 9 is a PLC controller. In order to improve the photoelectric conversion efficiency of the photovoltaic panel 3 and control costs, the photovoltaic panel 3 is a monocrystalline silicon solar panel.

[0052] The irradiance intensity detection device 18 is a pyranometer, a direct pyranometer or a standard photovoltaic cell.

[0053] Each photovoltaic panel 3 is connected to an angle-adjustable bracket 4 , and the angle-adjustable bracket 4 can adjust the horizontal angle and elevation angle of the photovoltaic panel 3 .

[0054] Among them, the angle-adjustable bracket 4 includes a pillar, a horizontal angle drive motor, a mounting platform, a dual-axis stepper motor and two connecting rods. The pillar is supported on the ground, and the horizontal angle drive motor is arranged at the end of the pillar away from the ground. The output end of the horizontal angle drive motor is connected to the mounting platform, and its axial direction is perpendicular to the ground. The dual-axis stepper motor is fixedly installed on the mounting platform, and its two output shafts are arranged parallel to the ground. One end of each of the two connecting rods is respectively connected to the two output shafts of the dual-axis stepper motor, and the other end of each of the two connecting rods is connected to the photovoltaic panel 3.

[0055] Several of the photovoltaic panels 3 are electrically connected to the photovoltaic inverter 5, the photovoltaic inverter 5 is electrically connected to the AC distribution cabinet 6, and the AC distribution cabinet 6 is electrically connected to the user-side load 10 and the public power grid 11 in the area where the distributed photovoltaic system 1 to which it belongs is located.

[0056] Among them, the photovoltaic panel 3 transmits direct current to the photovoltaic inverter 5, and the photovoltaic inverter 5 converts direct current into alternating current and transmits it to the AC distribution cabinet 6. The AC distribution cabinet 6 selects to output alternating current to the user-side load 10 or the public power grid 11 according to the power demand of the user-side load 10. The AC distribution cabinet 6 outputs alternating current to the user-side load 10 in the area where the distributed photovoltaic system 1 to which it belongs is located, in accordance with the principle of proximity, avoiding loss of electric energy due to long-distance transmission.

[0057] The data acquisition device 7 is electrically connected to the photovoltaic panel 3, the photovoltaic inverter 5, the AC distribution cabinet 6 and the environmental monitoring device 8. The data acquisition device 7 is used to collect the temperature, output current and output voltage of the photovoltaic panel 3, the input current, input voltage, output current and output voltage of the photovoltaic inverter 5, and the input current, input voltage, output current and output voltage of the AC distribution cabinet 6. The data acquisition device 7 is also used to receive environmental information about the area where the distributed photovoltaic system 1 is located from the environmental monitoring device 8.

[0058] Specifically, the environmental monitoring device 8 transmits the collected real-time temperature, humidity, wind speed, wind direction and radiation intensity information of the area where the distributed photovoltaic system 1 is located to the data acquisition device 7 .

[0059] The sub-control device 9 is electrically connected to several of the angle-adjustable brackets 4 to adjust the horizontal angle and elevation angle of the photovoltaic panel 3 through the angle-adjustable brackets 4. The sub-control device 9 is also electrically connected to the environmental monitoring device 8. The data acquisition device 8 and the sub-control device 9 are both electrically connected to the background monitoring system 2.

[0060] Specifically, the background monitoring system 2 includes a central processing unit 22 and a display screen 23 . The central processing unit 22 is electrically connected to the data acquisition device 7 , the sub-control device 8 and the display screen 23 .

[0061] Among them, the environmental monitoring device 8 transmits the collected real-time temperature, humidity, wind speed, wind direction and irradiation intensity information of the area where the distributed photovoltaic system 1 is located to the background monitoring system 2 through the data acquisition device 7, and the sub-control device 9 adjusts the angle-adjustable bracket 4 based on the acquired real-time temperature, humidity, wind speed, wind direction and irradiation intensity information of the area so that the photovoltaic panel 3 is as perpendicular to the incident sunlight as possible to obtain the maximum power generation efficiency. The central processing unit 22 is used to store and analyze the data obtained from the data acquisition device 7 and the sub-control device 8, and the display screen 23 is used for background staff to monitor several of the distributed photovoltaic systems 1 in real time.

[0062] In some embodiments, the distributed photovoltaic system 1 also includes a combiner box 12 and a DC cabinet 13. The combiner box 12 is electrically connected to several of the photovoltaic panels 3. The DC cabinet 13 is electrically connected to the combiner box 12 and the photovoltaic inverter 5. The combiner box 12 and the DC cabinet 13 are both electrically connected to the data acquisition device 7. The data acquisition device 7 is used to collect the input current, input voltage, output current and output voltage of the combiner box 12, and to collect the input current, input voltage, output current and output voltage of the DC cabinet 13. By setting the combiner box 12 and the DC cabinet 13, the distributed photovoltaic system 1 can be easily separated during maintenance and overhaul.

[0063] In some embodiments, a DC lightning arrester is provided in the combiner box 12 and the DC cabinet 13, and an AC lightning arrester is provided in the AC distribution cabinet 6, which can effectively prevent the combiner box 12, the DC cabinet 13 and the AC distribution cabinet 6 from being damaged by lightning.

[0064] In some embodiments, the distributed photovoltaic system 1 also includes an energy storage device 14, which is electrically connected to the DC cabinet 13 and several of the angle-adjustable brackets 4. The energy storage device 14 can store the electric energy generated by the photovoltaic panel 3 for use by the angle-adjustable bracket 4, thereby achieving self-sufficiency in electric energy consumption of the angle-adjustable bracket 4.

[0065] In some embodiments, the distributed photovoltaic system 1 also includes a first power quality analyzer 20 and a second power quality analyzer 21. The first power quality analyzer 20 is arranged between the AC distribution cabinet 6 and the user-side load 10, and is used to analyze the quality of the AC power input by the AC distribution cabinet 6 to the user-side load 10. The second power quality analyzer 21 is arranged between the AC distribution cabinet 6 and the public power grid 11, and is used to analyze the quality of the AC power input by the AC distribution cabinet 6 to the public power grid 11. The first power quality analyzer 20 and the second power quality analyzer 21 are both electrically connected to the data acquisition device 7, so that the power quality data collected by the first power quality analyzer 20 and the power quality data collected by the second power quality analyzer 21 are transmitted to the background monitoring system 2 through the data acquisition device 7, which can facilitate the background staff to obtain the quality of the electric energy provided by the distributed photovoltaic system 1 to the user-side load 10 or the public power grid 11 in real time, and then adjust the distributed photovoltaic system 1 in time.

[0066] In summary, the embodiment of the present application provides a photovoltaic power engineering surveying and mapping data system, which sets up several distributed photovoltaic systems in different regions, monitors the environmental information of the region where a distributed photovoltaic system is located in real time through an environmental monitoring device, and transmits the collected environmental information to a sub-control device. The sub-control device controls the angle-adjustable bracket to adjust the horizontal angle and elevation angle of the photovoltaic panel according to the acquired environmental information, so as to maximize the power generation efficiency of the photovoltaic panel, thereby solving the technical problem that the prior art cannot simultaneously perform personalized regulation on photovoltaic systems in different regions, making it impossible to maximize the power generation efficiency of the photovoltaic system; at the same time, by setting a junction box and a DC cabinet between the photovoltaic panel and the photovoltaic inverter, the distributed photovoltaic system can be maintained , it is easy to separate the circuit during maintenance; by setting up an energy storage device electrically connected to the DC cabinet and the angle-adjustable bracket, the electric energy generated by the photovoltaic panel can be stored for use by the angle-adjustable bracket, thereby achieving self-sufficiency in electric energy consumption of the angle-adjustable bracket; by setting up a DC lightning arrester in the junction box and the DC cabinet, and an AC lightning arrester in the AC distribution cabinet, the junction box, the DC cabinet and the AC distribution cabinet can be effectively prevented from being damaged by lightning strikes; by setting up the first power quality analyzer and the second power quality analyzer, it is convenient for background personnel to obtain the quality of the electric energy provided by the distributed photovoltaic system to the user-side load or the public power grid in real time, and then adjust the distributed photovoltaic system in time; by setting the photovoltaic panel to a monocrystalline silicon solar panel, the photoelectric conversion efficiency of the photovoltaic panel is improved.

[0067] The above is a detailed introduction to a photovoltaic power engineering surveying and mapping data system provided in the embodiments of the present application. Specific examples are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the technical solutions and core ideas of the present application. Ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some of the technical features therein with equivalents; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A photovoltaic power engineering surveying and mapping data system, characterized in that: Including several distributed photovoltaic systems and background monitoring systems; The distributed photovoltaic systems are distributed in different regions, and include a plurality of photovoltaic panels, angle-adjustable brackets, photovoltaic inverters, AC power distribution cabinets, data acquisition devices, environmental monitoring devices, and sub-control devices. Each photovoltaic panel is connected to an angle-adjustable bracket, and the angle-adjustable bracket can adjust the horizontal angle and elevation angle of the photovoltaic panel; The photovoltaic panels are all electrically connected to the photovoltaic inverter, the photovoltaic inverter is electrically connected to the AC power distribution cabinet, and the AC power distribution cabinet is electrically connected to the user-side load and the public power grid in the region where the distributed photovoltaic system to which it belongs is located; The data acquisition device is electrically connected to the photovoltaic panel, photovoltaic inverter, AC distribution cabinet and the environmental monitoring device, and is used to collect the temperature and output current and voltage of the photovoltaic panel, the input and output current and voltage of the photovoltaic inverter, the input and output current and voltage of the AC distribution cabinet, and receive environmental information about the area where the distributed photovoltaic system is located from the environmental monitoring device; The sub-control device is electrically connected to the plurality of the angle-adjustable brackets so as to adjust the horizontal angle and elevation angle of the photovoltaic panel through the angle-adjustable brackets. The sub-control device is also electrically connected to the environmental monitoring device. The data acquisition device and the sub-control device are both electrically connected to the background monitoring system.

2. A photovoltaic power engineering surveying and mapping data system according to claim 1, characterized in that: The distributed photovoltaic system also includes a combiner box and a DC cabinet; The combiner box is electrically connected to the plurality of photovoltaic panels; The DC cabinet is electrically connected to the combiner box and the photovoltaic inverter; The combiner box and the DC cabinet are both electrically connected to the data acquisition device, and the data acquisition device is used to collect the input and output current and voltage of the combiner box and the input and output current and voltage of the DC cabinet.

3. A photovoltaic power engineering surveying and mapping data system as claimed in claim 2, characterized in that: The distributed photovoltaic system further includes an energy storage device, which is electrically connected to the DC cabinet and the plurality of angle-adjustable brackets.

4. A photovoltaic power engineering surveying and mapping data system according to claim 2, characterized in that: The combiner box and the DC cabinet are provided with a DC lightning arrester, and the AC distribution cabinet is provided with an AC lightning arrester.

5. A photovoltaic power engineering surveying and mapping data system according to claim 1, characterized in that: The environmental monitoring device includes a temperature sensor, a humidity sensor, a wind speed sensor, a wind direction sensor and an irradiation intensity detection device, and the environmental monitoring device is used to collect real-time temperature, humidity, wind speed, wind direction and irradiation intensity information of the area where the distributed photovoltaic system is located; The environmental monitoring device transmits the collected real-time temperature, humidity, wind speed, wind direction and radiation intensity information of the area where the distributed photovoltaic system is located to the background monitoring system through the data acquisition device.

6. A photovoltaic power engineering surveying and mapping data system as claimed in claim 5, characterized in that: The radiation intensity detection device is one of a pyranometer, a direct pyranometer or a standard photovoltaic cell.

7. A photovoltaic power engineering surveying and mapping data system according to claim 1, characterized in that: The distributed photovoltaic system further includes a first power quality analyzer and a second power quality analyzer; The first power quality analyzer is arranged between the AC power distribution cabinet and the user-side load, and is used to analyze the quality of the AC power input from the AC power distribution cabinet to the user-side load; The second power quality analyzer is provided between the AC power distribution cabinet and the public power grid, and is used to analyze the quality of the AC power input from the AC power distribution cabinet to the public power grid; The first power quality analyzer and the second power quality analyzer are both electrically connected to the data acquisition device so as to transmit the power quality data collected by the first power quality analyzer and the power quality data collected by the second power quality analyzer to the background monitoring system through the data acquisition device.

8. A photovoltaic power engineering surveying and mapping data system according to claim 1, characterized in that: The photovoltaic panel is a monocrystalline silicon solar cell panel.

9. A photovoltaic power engineering surveying and mapping data system according to claim 1, characterized in that: The background monitoring system includes a central processing unit and a display screen; The central processing unit is electrically connected to the data acquisition device, the sub-control device and the display screen.

10. A photovoltaic power engineering surveying and mapping data system according to claim 1, characterized in that: The sub-control device is a PLC controller.

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