Information interaction system of photovoltaic tracking system, photovoltaic tracking system and photovoltaic power generation system

Abstract

The utility model relates to the technical field of photovoltaic power generation, particularly discloses an information interaction system of a photovoltaic tracking system, the photovoltaic tracking system and a photovoltaic power generation system, and aims to solve the problems of protocol incompatibility, overlarge data granularity and interaction delay in the aspect of data interaction caused by independent operation of a data collector and various detectors. In order to achieve the purpose, the information interaction system of the photovoltaic tracking system enables the data acquisition unit to acquire meteorological information detected by the meteorological detector by connecting the meteorological detector with the detector interface of the data acquisition unit, so that the operation data of the inverter and the meteorological information are uniformly collected to the data acquisition unit; the problems of protocol incompatibility, overlarge data granularity and interaction delay in the aspect of data interaction caused by independent operation of a data collector and various meteorological detectors in a traditional scheme are effectively solved, and the instant response capability of a photovoltaic tracking system to environmental changes is greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic power generation technology, and specifically provides an information interaction system, a photovoltaic tracking system, and a photovoltaic power generation system for a photovoltaic tracking system. Background Technology

[0002] In photovoltaic (PV) power generation systems, inverters and tracking controllers are the two core components. The PV inverter converts the direct current (DC) generated by the PV modules into alternating current (AC) and optimizes and manages the electrical energy. The tracking controller adjusts the angle of the PV modules based on the power generation data acquired by the inverter's data acquisition unit and meteorological information provided by various weather detectors (such as sunlight detectors, snow depth detectors, and wind speed and direction detectors). However, the independent operation of the data acquisition unit and weather detectors leads to problems such as protocol incompatibility, excessively large data granularity, and interaction delays in data exchange, thus affecting the efficiency and stability of the PV power generation system.

[0003] Therefore, a new technical solution is needed in this field to solve the above problems. Utility Model Content

[0004] This utility model aims to solve the aforementioned technical problems, namely, the issues of protocol incompatibility, excessively large data granularity, and interaction delays caused by the independent operation of data acquisition devices and various detectors. To this end, this utility model provides an information interaction system for a photovoltaic tracking system, comprising:

[0005] Weather detectors are used to detect weather information;

[0006] An inverter, the inverter including a first communication module and a DC input module, the first communication module and the DC input module being connected, the DC input module being used to connect to a photovoltaic module;

[0007] The data acquisition device includes a second communication module and a detector interface. The second communication module is connected to the first communication module and the detector interface, respectively. The detector interface is connected to the meteorological detector.

[0008] In the preferred embodiment of the above-mentioned information interaction system, the data collector further includes:

[0009] An algorithm module is connected to the detector interface and is configured to analyze the meteorological information obtained by the meteorological detector and determine the target angle of the photovoltaic module.

[0010] In the preferred embodiment of the aforementioned information interaction system, the inverter further includes a DC output module, which is connected to the DC input module; and

[0011] The information interaction system also includes a drive mechanism connected to the DC output module and configured to drive the photovoltaic module to rotate to the target angle obtained by the algorithm module under the control of the inverter.

[0012] In the preferred embodiment of the aforementioned information interaction system, the inverter further includes an AC input module and a DC-AC conversion module, wherein the DC-AC conversion module is connected to the AC input module, the DC output module, and the DC input module, respectively; and

[0013] The information interaction system also includes a prefabricated substation, which is connected to the AC input module so that the booster station or power grid connected to the prefabricated substation can output power to the inverter.

[0014] In the preferred technical solution of the above information interaction system, the inverter further includes an AC output module, which is connected to the DC-AC conversion module and the box-type substation respectively to output electrical energy to the booster station or the power grid.

[0015] In the preferred embodiment of the above information interaction system, the information interaction system further includes an angle detector, which is used to detect the current angle of the photovoltaic module. The angle detector is connected to the first communication module so that the driving mechanism can drive the photovoltaic module to rotate from the current angle to the target angle obtained by the algorithm module.

[0016] In the preferred technical solution of the above information interaction system, the meteorological detector includes a wind speed and direction detector and / or a snow thickness detector. The wind speed and direction detector and / or the snow thickness detector are used to provide wind speed and direction information and / or snow thickness information, so that the algorithm module can analyze the wind speed and direction information and / or snow thickness information and determine the target angle to protect the photovoltaic module from damage when the weather conditions meet the extreme weather conditions.

[0017] In the preferred embodiment of the above-mentioned information interaction system, the data collector further includes:

[0018] An alarm module is connected to the algorithm module and configured to be triggered after the algorithm module determines extreme weather.

[0019] In the preferred embodiment of the above information interaction system, the weather detector includes a light detector for detecting light information, so that the algorithm module can analyze the light information and determine the target angle to which the photovoltaic module rotates perpendicular to the light.

[0020] This utility model also provides a photovoltaic tracking system, which includes a photovoltaic module and the information interaction system described in any of the above preferred technical solutions.

[0021] This utility model also provides a photovoltaic power generation system, which includes photovoltaic modules and the photovoltaic tracking system described in any of the above preferred technical solutions.

[0022] Those skilled in the art will understand that the information interaction system of this application includes a weather detector, an inverter, and a data acquisition unit. The inverter includes a first communication module and a DC input module. The data acquisition unit includes a detector interface and a second communication module. The first communication module is connected to the second communication module, enabling the inverter to connect with the data acquisition unit and thus allowing the data acquisition unit to collect the inverter's operating data. The detector interface is connected to the weather detector, enabling the data acquisition unit to collect the meteorological information detected by the weather detector. This allows the inverter's operating data and the meteorological information collected by the weather detector to be uniformly collected by the data acquisition unit. This effectively solves the problems of protocol incompatibility, excessively large data granularity, and interaction delays in data interaction caused by the independent operation of the data acquisition unit and various weather detectors in traditional solutions. It greatly improves the photovoltaic tracking system's ability to respond instantly to environmental changes and provides strong support for the safe, efficient, and stable operation of the photovoltaic power generation system.

[0023] Furthermore, by connecting the algorithm module to the detector interface, the algorithm module can analyze the meteorological data detected by the meteorological detector to determine the target angle of the photovoltaic module, thereby enhancing the adaptability of the photovoltaic tracking system to the environment and ensuring the stable operation of the photovoltaic power generation system.

[0024] Furthermore, by connecting the drive mechanism to the DC output module of the inverter, the inverter can control the drive mechanism to adjust the angle of the photovoltaic module according to the target angle obtained by the algorithm module. This eliminates the need for the tracking controller in the prior art to control the drive mechanism to adjust the angle of the photovoltaic module, thus solving the problem of high cost and low operating efficiency caused by the independent operation of the inverter and the tracking controller in the prior art.

[0025] Furthermore, by connecting the prefabricated substation to the DC input module of the inverter, the prefabricated substation can provide power to the inverter when the photovoltaic modules are not generating electricity, ensuring the normal operation of the information interaction system.

[0026] Furthermore, by connecting the prefabricated substation to the DC output module of the inverter, the inverter can provide power to the prefabricated substation during the photovoltaic module's power generation period, so as to output power to the booster station or the power grid.

[0027] Furthermore, by connecting the angle detector to the first communication module, the angle detector can capture the current angle of the photovoltaic module in real time and feed it back to the inverter in real time through the first communication module, so that the inverter can control the drive mechanism to adjust the photovoltaic module from the current angle to the target angle.

[0028] Furthermore, by connecting the wind speed and direction detector and / or snow thickness detector to the detector interface, the algorithm module can analyze the wind speed and direction information and / or snow thickness information detected by the above detectors and determine the target angle to protect the photovoltaic modules from damage when the weather conditions meet the extreme weather conditions, thereby providing a strong guarantee for the safety of the photovoltaic power generation system. Attached Figure Description

[0029] The preferred embodiments of this application will now be described with reference to the accompanying drawings, in which:

[0030] Figure 1 This is a flowchart of the information interaction system of the photovoltaic tracking system in this application;

[0031] Figure 2 This is a flowchart of the inverter in this application;

[0032] Figure 3 This is a flowchart of the data acquisition device used in this application.

[0033] Explanation of reference numerals in the attached figures:

[0034] 1. Photovoltaic modules. Detailed Implementation

[0035] Preferred embodiments of this application will now be described with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of this application and are not intended to limit the scope of protection of this application.

[0036] It should be noted that in the description of this application, terms such as "upper," "lower," "left," "right," "inner," and "outer," indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. These are used merely for ease of description and do not indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on 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.

[0037] Furthermore, it should be noted that, in the description of this application, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0038] Combination Figure 1-3 A photovoltaic (PV) tracking system tracks the sun's movement, ensuring the PV array always receives maximum solar radiation, thereby increasing the power generation of the PV power generation system. Therefore, the PV tracking system is a crucial component of a PV power generation system. However, in PV tracking systems, the data acquisition unit and various detectors operate independently, leading to problems such as protocol incompatibility, excessively large data granularity, and interaction delays in data exchange. To address these issues, the information exchange system of the PV tracking system in this application includes a weather detector, an inverter, and a data acquisition unit. The weather detector is used to detect weather information. The inverter includes a first communication module and a DC input module. The first communication module is connected to the DC input module, which is used to connect to the PV module 1. The data acquisition unit includes a second communication module and a detector interface. The second communication module is connected to both the first communication module and the detector interface; the detector interface is connected to the weather detector.

[0039] In this application, by connecting the first communication module and the second communication module, the inverter is connected to the data acquisition unit, enabling the data acquisition unit to collect the inverter's operating data. The detector interface is connected to the meteorological detector, enabling the data acquisition unit to collect the meteorological information detected by the meteorological detector. Thus, the inverter's operating data and the meteorological information collected by the meteorological detector are uniformly collected by the data acquisition unit. This effectively solves the problems of protocol incompatibility, excessively large data granularity, and interaction delays caused by the independent operation of the data acquisition unit and various meteorological detectors in traditional solutions. It greatly improves the photovoltaic tracking system's ability to respond to environmental changes in real time, providing strong support for the safe, efficient, and stable operation of the photovoltaic power generation system.

[0040] The following is further reference Figure 1-3 A preferred embodiment of the information interaction system of the photovoltaic tracking system of this application is described. Those skilled in the art will understand that the embodiments described below are merely for illustrating the principles of this application and are not intended to limit the scope of protection of this application. Provided that the information interaction system of the photovoltaic tracking system includes at least a weather detector, an inverter, and a data acquisition unit, those skilled in the art can adjust the following configuration to make this application applicable to more specific application scenarios.

[0041] Reference Figure 1-3 In a preferred embodiment, the information interaction system includes a weather detector, an inverter, a data acquisition unit, a drive mechanism, an angle detector, and a prefabricated substation.

[0042] See Figure 1-3 The inverter includes a first communication module, a DC input module, a DC output module, an AC input module, and an AC output module. The data acquisition unit includes a second communication module, a detector interface, and an algorithm module. The first and second communication modules are connected, enabling the inverter to connect with the data acquisition unit and collect the inverter's operating data. The DC input module is connected to the photovoltaic module 1, achieving a stable connection between the photovoltaic module 1 and the inverter. The DC output module is connected to the drive mechanism, allowing the inverter to directly control the drive mechanism to rotate the photovoltaic module 1, adjusting its angle. This eliminates the need for the tracking controller in existing technologies to control the drive mechanism, thus solving the problems of high cost and low efficiency caused by the independent operation of the inverter and tracking controller in existing technologies. The AC output and AC input modules are respectively connected to a box-type transformer, enabling the inverter to output power to the box-type substation during photovoltaic module 1 power generation periods, and the box-type substation to provide power to the inverter during photovoltaic module 1 non-power generation periods, ensuring the normal operation of the information interaction system.

[0043] It should be noted that the angle of the photovoltaic module 1 mentioned above includes not only the azimuth angle but also the pitch angle, thereby ensuring that the photovoltaic module 1 is perpendicular to the sun to the maximum extent. At this time, the photovoltaic module 1 is mounted on a dual-axis tracking bracket, allowing the drive mechanism to adjust the azimuth and pitch angles of the photovoltaic module 1. The dual-axis tracking bracket is a common type of dual-axis tracking bracket in existing technology, and will not be described in detail here; it is sufficient that the photovoltaic module 1 can change its azimuth and pitch angles.

[0044] See next Figure 2The inverter also includes a first control unit and a DC-AC conversion module. The first control unit is connected to both a first communication module and the DC-AC conversion module. The DC-AC conversion module is connected to the DC input module, DC output module, AC input module, and AC output module. The first control unit is responsible for the management and control of the entire inverter, while the first communication module communicates and interacts with the data acquisition unit and angle detector. The DC-AC conversion module is responsible for the conversion between DC and AC power. Specifically, when the photovoltaic module 1 is generating electricity, the DC power generated by the photovoltaic module 1 is converted to AC power by the DC-AC conversion module, thus providing power to the prefabricated substation. When the angle of the photovoltaic module 1 needs to be adjusted, the DC-AC conversion module outputs the DC power generated by the photovoltaic module 1 to the drive mechanism, allowing the inverter to directly control the drive mechanism to adjust the angle of the photovoltaic module 1. When the photovoltaic module 1 is not generating electricity, the DC-AC conversion module converts the AC power provided by the prefabricated substation into DC power, providing power to the drive mechanism and other components.

[0045] It should be noted that the box-type transformer serves as a preliminary voltage booster, enabling the power to be transmitted to a substation, which then further boosts the voltage to a standard voltage level suitable for grid connection. Alternatively, the box-type transformer can also directly boost the voltage to a standard voltage level suitable for grid connection.

[0046] See next Figure 2 The inverter also includes a first storage module, a first safety and protection module, and a maximum power point control module. The maximum power point control module is connected to the DC input module, AC input module, DC input module, and DC output module, respectively. This allows the maximum power point control module to receive the voltage and current output by the photovoltaic module 1 to track the maximum power point and feed the obtained maximum power point information back to the first control unit. The first control unit then controls the drive mechanism to rotate the photovoltaic module 1 to the target angle based on the obtained information, ensuring that the photovoltaic module 1 can output maximum power. The first storage module and the first safety and protection module are also connected to the first control unit. The first safety and protection module can be used to activate the corresponding protection circuit according to the instructions issued by the first control unit. The first storage module stores pre-set control programs, etc., for the first control unit to recall.

[0047] It should be noted that the target angle refers to the angle of the light-receiving surface of the photovoltaic module 1, which includes the target pitch angle and the target azimuth angle. The protection circuit can be a relay protection circuit, which can protect the inverter. It should also be noted that in other preferred embodiments, the configuration of the first storage module, the first safety and protection module, and the maximum power point control module is not mandatory, and those skilled in the art can adjust them as needed.

[0048] Referring again to section 3, the data acquisition unit also includes a detector interface and an algorithm module. The detector interface is connected to the algorithm module, a weather detector, and a second communication module, enabling the algorithm module to analyze the information obtained from the weather detector and determine the target angle of the photovoltaic module 1. Since the data acquisition unit is connected to the inverter, the inverter can control the drive mechanism to adjust the photovoltaic module 1 to the target angle based on the target angle obtained from the algorithm module.

[0049] The target angle includes the target azimuth angle and the target pitch angle. The photovoltaic module 1 is adjusted according to the target azimuth angle and the target pitch angle.

[0050] See next Figure 3 The weather detector includes a light detector, which detects light information, including the angle and direction of the light rays. This information allows the algorithm module to analyze the light information detected by the light detector and determine the target angle perpendicular to the light rays for the photovoltaic module 1. When the inverter control drive mechanism adjusts the photovoltaic module 1 to the target angle, it can improve the power generation efficiency of the photovoltaic module 1.

[0051] It should be noted that this application does not limit the specific type of light detector, as long as it can detect the angle and orientation of the illuminance. For example, the light detector can be a light sensor.

[0052] See next Figure 3 The weather detectors also include a snow thickness detector and a wind speed and direction detector. The snow thickness detector detects the thickness of the snow layer on the photovoltaic module 1, allowing the algorithm module to analyze this information and determine the target angle to protect the photovoltaic module 1 from damage when weather conditions meet the criteria for extreme heavy snow. The wind speed and direction detector detects wind speed and direction, enabling the algorithm module to analyze this information and determine the target angle to protect the photovoltaic module 1 from damage when weather conditions meet the criteria for extreme strong winds. Once the algorithm module determines that the weather conditions meet the criteria for extreme weather and establishes the target angle to protect the photovoltaic module 1 from damage, it controls the photovoltaic module 1 to adjust to this target angle. Conversely, if the algorithm module determines that the weather conditions do not meet the criteria for extreme weather, the drive mechanism adjusts the target angle of the photovoltaic module 1 based on the illumination information detected by the illumination detector.

[0053] When the algorithm module determines that the weather condition is extreme heavy snow, in order to protect the photovoltaic module 1 from damage caused by the heavy snow, it can adjust the pitch angle of the photovoltaic module 1 to 90°, i.e., perpendicular to the ground. The azimuth angle does not need to be adjusted. These azimuth and pitch angles are the target angles for the photovoltaic module 1. Adjusting the photovoltaic module 1 according to these target angles helps reduce snow accumulation on it, preventing damage due to excessive snow. Similarly, when the algorithm module determines that the weather condition is extreme strong wind, in order to prevent damage to the photovoltaic module 1 due to excessive wind speed, it can adjust the pitch angle of the photovoltaic module 1 to 90°, i.e., perpendicular to the ground, and adjust the azimuth angle to be parallel to the wind direction. These azimuth and pitch angles are the target angles for the photovoltaic module 1. Adjusting the photovoltaic module 1 according to these target angles can prevent damage due to excessive wind speed.

[0054] It should be noted that when the algorithm module analyzes that the weather conditions meet the extreme weather conditions, in order to improve the safety performance of the photovoltaic power generation system, the inverter controls the drive mechanism to rotate at the target angle to prevent damage to the photovoltaic module 1, and then no longer controls the photovoltaic module 1 to rotate at the target angle perpendicular to the light.

[0055] See next Figure 3 The data collector also includes an alarm module, which is connected to the algorithm module and configured to be triggered after the algorithm module determines extreme weather, so that users or staff can deal with the potential risks brought by extreme weather.

[0056] It should be noted that there are no restrictions on the specific type of alarm module in this application, as long as it serves an alerting function. For example, the alarm module can be an audible and visual alarm.

[0057] See next Figure 3 The data acquisition unit also includes a second control unit, which is connected to a second communication module, a detector interface, and an algorithm module. The second control unit is responsible for the management and control of the entire data acquisition unit. The second communication module at the detector interface is used for communication and data exchange with the inverter and the weather detector. The algorithm module analyzes the meteorological information obtained from the weather detector and determines the target angle of the photovoltaic module 1.

[0058] Specifically, the second control unit can forward the meteorological information detected by the meteorological detector to the algorithm module, which analyzes the meteorological information and feeds back the obtained target angle to the inverter. The inverter then controls the drive mechanism to drive the photovoltaic module 1 to rotate.

[0059] See next Figure 3The data acquisition unit also includes a battery management module, a second storage module, a second safety and protection module, a user interface, and a configuration module. The battery management module, second storage module, and second safety and protection module are all connected to the second control unit. The second storage module is connected to the algorithm module, user interface, and configuration module, respectively. The battery management module ensures that the data acquisition unit can collect data from the inverter and weather detector in real time. The second safety and protection module can activate the corresponding protection circuit according to the instructions issued by the second control unit. The user interface and configuration module provides an intuitive operating interface for easy interaction and allows configuration of parameters such as the time for collecting weather detector data. The second control unit coordinates the work of each module, receives and processes user interface instructions, and controls the data acquisition process to ensure data accuracy and reliability. The second storage module stores the collected inverter data, supports data retrieval, facilitates user access to historical data, and also provides a foundation for the algorithm module to process the data.

[0060] In other preferred embodiments, the battery management module, the second storage module, the second safety and protection module, the user interface, and the configuration module are not mandatory, and those skilled in the art can select them as needed.

[0061] Combination Figure 1-3 Using meteorological sensors as wind speed and direction detectors and light intensity detectors, the working principle of the information interaction system of the photovoltaic tracking system in this application is explained:

[0062] Wind speed and direction detectors and light intensity detectors monitor wind speed and direction information and light intensity information in real time, transmitting this data to the second control unit via the detector interface. The second control unit forwards the meteorological information to the algorithm module for analysis. The algorithm module calls the extreme wind algorithm program in the second storage module to analyze the wind speed and direction information and determine the target angle to protect the photovoltaic module 1 from damage under extreme weather conditions. In this case, to protect the photovoltaic module 1, it is not necessary to calculate the target angle of the photovoltaic module 1 perpendicular to the light source based on the light intensity information. Alternatively, after analyzing the wind speed and direction information according to the extreme wind algorithm program and determining that the weather conditions do not meet the requirements for extreme winds, the algorithm module calls the light intensity algorithm module in the second storage module to analyze the light intensity information and determine the target angle of the photovoltaic module 1 perpendicular to the light source.

[0063] After the algorithm module determines the target angle, the second control unit transmits the target angle information to the inverter via the second communication module. The inverter's first communication module receives the target angle and stores it in the first storage module by the first control unit. The angle detector detects the current angle of photovoltaic module 1 and transmits it to the first control unit via the first communication module. The first control unit compares the current angle with the target angle stored in the first storage module. When the current angle differs from the target angle, the first control unit controls the conversion of the target angle into a control signal, which is then transmitted to the DC output module via the DC-AC converter. The DC output module supplies electrical energy to the drive mechanism, driving it to rotate photovoltaic module 1 according to the control signal. During this process, the angle detector continuously monitors the current angle of photovoltaic module 1 and transmits it to the first control unit via the first communication module. The first control unit compares the current angle with the target angle stored in the first storage module until the current angle of photovoltaic module 1 matches the target angle. At this point, the first control unit immediately controls the DC-AC converter to stop supplying electrical energy to the DC output module, thereby terminating the rotation operation of the drive mechanism.

[0064] In addition, this utility model also provides a photovoltaic tracking system, which includes the information interaction system described in any of the above embodiments.

[0065] In addition, this utility model also provides a photovoltaic power generation system, which includes the photovoltaic tracking system described in any of the above embodiments.

[0066] Those skilled in the art will understand that although some embodiments described herein include certain features included in other embodiments but not others, combinations of features from different embodiments are intended to be within the scope of this application and form different embodiments. For example, any of the claimed embodiments in the claims of this application can be used in any combination.

[0067] The technical solution of this utility model has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the protection scope of this utility model is obviously not limited to these specific embodiments. Without departing from the principle of this utility model, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of this utility model.

Claims

1. An information interaction system for a photovoltaic tracking system, characterized in that, include: Weather detectors are used to detect weather information; An inverter, the inverter including a first communication module and a DC input module, the first communication module and the DC input module being connected, the DC input module being used to connect to a photovoltaic module; The data acquisition device includes a second communication module and a detector interface. The second communication module is connected to the first communication module and the detector interface, respectively. The detector interface is connected to the meteorological detector.

2. The information interaction system according to claim 1, characterized in that, The data acquisition device also includes: An algorithm module is connected to the detector interface and is configured to analyze the meteorological information obtained by the meteorological detector and determine the target angle of the photovoltaic module.

3. The information interaction system according to claim 2, characterized in that, The inverter further includes a DC output module, which is connected to the DC input module; and The information interaction system also includes a drive mechanism connected to the DC output module and configured to drive the photovoltaic module to rotate to the target angle obtained by the algorithm module under the control of the inverter.

4. The information interaction system according to claim 3, characterized in that, The inverter further includes an AC input module and a DC-AC conversion module, the DC-AC conversion module being connected to the AC input module, the DC output module, and the DC input module, respectively; and The information interaction system also includes a prefabricated substation, which is connected to the AC input module so that the booster station or power grid connected to the prefabricated substation can output power to the inverter.

5. The information interaction system according to claim 4, characterized in that, The inverter also includes an AC output module, which is connected to the DC-AC conversion module and the box-type substation to output electrical energy to the booster station or the power grid.

6. The information interaction system according to claim 3, characterized in that, The information interaction system also includes an angle detector, which is used to detect the current angle of the photovoltaic module. The angle detector is connected to the first communication module so that the drive mechanism can drive the photovoltaic module to rotate from the current angle to the target angle obtained by the algorithm module.

7. The information interaction system according to claim 2, characterized in that, The meteorological detectors include wind speed and direction detectors and / or snow thickness detectors. The wind speed and direction detectors and / or the snow thickness detectors are used to provide wind speed and direction information and / or snow thickness information, so that the algorithm module can analyze the wind speed and direction information and / or snow thickness information and determine the target angle to protect the photovoltaic module from damage when the weather conditions meet the extreme weather conditions.

8. The information interaction system according to claim 7, characterized in that, The data acquisition device also includes: An alarm module is connected to the algorithm module and configured to be triggered after the algorithm module determines extreme weather.

9. The information interaction system according to claim 2, characterized in that, The weather detector includes a light detector for detecting light information, so that the algorithm module can analyze the light information and determine the target angle at which the photovoltaic module rotates to be perpendicular to the light.

10. A photovoltaic tracking system, characterized in that, The photovoltaic tracking system includes the information interaction system as described in any one of claims 1-9.

11. A photovoltaic power generation system, characterized in that, The photovoltaic power generation system includes photovoltaic modules and the photovoltaic tracking system as described in claim 10.

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