A photovoltaic power generation data acquisition system and method

Abstract

The present invention provides a photovoltaic power generation data acquisition system and method; the data acquisition system includes a photovoltaic power generation unit, a photovoltaic power generation data acquisition unit, a central data processing terminal, a cloud change operation unit, a malicious tampering identification unit, a cloud data storage repository, a power generation power prediction unit, a power quantity centralized scheduling unit, a scheduling task adjustment unit, and a power generation anomaly monitoring unit; by adding the cloud change operation unit, the present invention realizes cloud data management and processing of the power generation data stored in the photovoltaic power generation, and improves the management security and efficiency through identity verification processing before management. By adding the scheduling task adjustment unit, the present invention realizes the distribution processing of the power quantity of the photovoltaic power generation to substations at various locations, and adaptively changes the power distribution values of each substation.

Description

Technical Field

[0001] The present invention relates to the technical field of photovoltaic power generation, and particularly to a photovoltaic power generation data acquisition system and method. Background Art

[0002] Photovoltaic power generation is a technology that directly converts light energy into electrical energy using the photovoltaic effect at the semiconductor interface. It mainly consists of three major parts: solar panels, controllers, and inverters, and the main components are composed of electronic components. Solar cells can be encapsulated and protected after being connected in series to form large-area solar cell modules, and then combined with components such as power controllers to form a photovoltaic power generation device. In existing photovoltaic power generation, it is necessary to collect and process the numerical values of photovoltaic power generation, and optimize and manage the current state of photovoltaic power generation according to the power generation data values. However, the existing photovoltaic power generation data acquisition system is not convenient for adaptively adjusting the daily allocated power values of photovoltaic power generation, which easily causes power shortages and surpluses in each substation, resulting in poor power distribution effects. Moreover, the existing photovoltaic power generation data acquisition system is not convenient for predicting and processing the power generation according to external factors. Summary of the Invention

[0003] The purpose of the present invention is to provide a photovoltaic power generation data acquisition system and method to solve the problems in the above-mentioned background art that the existing photovoltaic power generation data acquisition system is not convenient for adaptively adjusting the daily allocated power values of photovoltaic power generation, which easily causes power shortages and surpluses in each substation, resulting in poor power distribution effects, and the existing photovoltaic power generation data acquisition system is not convenient for predicting and processing the power generation according to external factors.

[0004] To solve the above technical problems, the present invention provides a photovoltaic power generation data acquisition system. The data acquisition system includes a photovoltaic power generation unit, a photovoltaic power generation data acquisition unit, a central data processing terminal, a cloud change operation unit, a malicious tampering identification unit, a cloud data storage repository, a power generation power prediction unit, a power centralized scheduling unit, a scheduling task adjustment unit, and a power generation anomaly monitoring unit;

[0005] The photovoltaic power generation data acquisition unit is communicatively connected to the central data processing terminal and each photovoltaic power generation unit, and is used for collecting the power generation data of each photovoltaic power generation unit and transmitting the collected power generation data to the central data processing terminal;

[0006] The central data processing terminal is respectively bidirectionally electrically connected to the cloud change operation unit, the cloud data repository, and the power generation power prediction unit; the central data processing terminal is used for centralized storage management of the power generation data collected by the photovoltaic power generation data acquisition unit; the cloud change operation unit is used for cloud data management and processing of the power generation data managed by the central data processing terminal; the cloud data repository is used for cloud storage of the power generation data stored by the central data processing terminal and cloud sharing processing; the power generation power prediction unit is used for power generation power prediction processing based on the influencing factors of the power generation power.

[0007] The malicious tampering identification unit is bidirectionally electrically connected to the cloud change operation unit, and is used for identifying malicious tampering of the power generation data and acquiring and processing personnel information.

[0008] The output end of the power generation power prediction unit is respectively communicatively connected to the input ends of the power quantity centralized dispatching unit and the power generation anomaly monitoring unit, and the output end of the power quantity centralized dispatching unit is communicatively connected to the input end of the dispatching task adjustment unit; the power quantity centralized dispatching unit is used for allocating the transmission location of the power quantity, and the dispatching task adjustment unit is used for identifying the power consumption of the substation and adjusting the allocated power quantity value according to the power consumption; the power generation anomaly monitoring unit is used for abnormally identifying the power generation quantity after the power generation power prediction unit identifies problems and detecting the power generation anomaly situation.

[0009] A further technical solution of the present invention: The data acquisition system further includes a historical power generation power statistics unit, a photovoltaic power generation optimization unit, and a change log restoration module;

[0010] The historical power generation power statistics unit is bidirectionally electrically connected to the power generation power prediction unit. The historical power generation power statistics unit predicts the power generation power by combining the historical power generation data stored internally with external influences, and at the same time detects the abnormal situation of the power generation voltage, and performs abnormal detection processing on the power generation power after excluding weather and sunlight irradiation amount.

[0011] The photovoltaic power generation optimization unit is bidirectionally electrically connected to the power generation anomaly monitoring unit. The photovoltaic power generation optimization unit is used for optimizing the power generation power of the photovoltaic power generation according to the abnormal conditions of the power generation voltage and the power generation power, and adjusting the position of the photovoltaic power generation components to optimize the power generation power of the photovoltaic power generation components.

[0012] The change log restoration module is bidirectionally electrically connected to the malicious tampering identification unit, and is used for real-time backup processing of the operation steps and managed data when performing cloud management on the power generation data.

[0013] Preferred technical solution of the present invention: The photovoltaic power generation unit includes a plurality of interconnected photovoltaic power generation components; the photovoltaic power generation data acquisition unit includes a voltage acquisition module and a temperature acquisition module, and the voltage acquisition module and the temperature acquisition module are connected by two-way electrical signals; the voltage acquisition module is used for real-time acquisition and processing of the voltage value of the photovoltaic power generation components; the temperature acquisition module is used for real-time monitoring and processing of the heating temperature of the photovoltaic power generation components.

[0014] Preferred technical solution of the present invention: The power generation power prediction unit includes a weather impact detection module, a sunlight irradiation amount detection module, and a power generation power prediction module. The weather impact detection module and the sunlight irradiation amount detection module are connected by two-way electrical signals, and the sunlight irradiation amount detection module and the power generation power prediction module are connected by two-way electrical signals;

[0015] The weather impact detection module is used for obtaining and processing the weather conditions at the location of the power generation components;

[0016] The sunlight irradiation amount detection module is used for real-time detection and processing of the sunlight irradiation amount value;

[0017] The power generation power prediction module is used for predicting and processing the power generation power of the photovoltaic power generation module according to the weather impact detection module and the sunlight irradiation amount detection module.

[0018] Preferred technical solution of the present invention: The cloud change operation unit includes a power generation data management module and a management identity authentication module that are connected bidirectionally;

[0019] The power generation data management module is used for querying and data management processing of the power generation data; the management identity authentication module is used for authorizing and verifying the identity information of personnel when using the power generation data management module.

[0020] Preferred technical solution of the present invention: The malicious tampering identification unit includes a personnel identity identification module and an audible and visual alarm module. The output end of the personnel identity identification module is communicatively connected to the input end of the audible and visual alarm module;

[0021] The personnel identity identification module is used for identifying the basic information of personnel during management and performing matching and acquisition processing on the information;

[0022] The audible and visual alarm module is used for performing audible and visual alarm processing when there is a malicious operation on the power generation data.

[0023] Preferred technical solution of the present invention: The scheduling task adjustment unit includes a power preset module for substations at scheduling points, an actual usage detection module for substations at scheduling points, a gap maintenance monitoring module, and a daily allocated power change module. The output end of the power preset module for substations at scheduling points is communicatively connected to the input end of the actual usage detection module for substations at scheduling points. The output end of the actual usage detection module for substations at scheduling points is communicatively connected to the input end of the gap maintenance monitoring module. The output end of the gap maintenance monitoring module is communicatively connected to the input end of the daily allocated power change module;

[0024] The power preset module for substations at scheduling points is used to obtain preset values for the daily allocated power values of each substation;

[0025] The actual usage detection module for substations at scheduling points is used to collect and process the daily power consumption of each substation;

[0026] The gap maintenance monitoring module is used to detect the gap between the actual daily power consumption and the daily allocated power, and detect the gap amount within a week;

[0027] The daily allocated power change module is used to adaptively change the daily allocated power value according to the gap value detected within a week.

[0028] Preferred technical solution of the present invention: The power generation anomaly monitoring unit includes a power generation voltage anomaly detection module and a power generation power anomaly detection module that are connected by two-way electrical signals;

[0029] The power generation voltage anomaly detection module is used to detect anomalies in the voltage value in the photovoltaic power generation data; The power generation power anomaly detection module is used to detect power anomalies when the power generation power of photovoltaic power generation is too low or too high.

[0030] Preferred technical solution of the present invention: The power centralized scheduling unit includes a power transmission location selection module and a daily power value allocation module, and the power transmission location selection module is connected to the daily power value allocation module by two-way electrical signals;

[0031] The power transmission location selection module is used to confirm the selection of the power transmission location for the electric energy generated by photovoltaic power generation;

[0032] The daily power value allocation module is used to allocate daily power values to the substations at each transmission location.

[0033] In order to solve the above technical problems, the present invention provides a method for collecting photovoltaic power generation data, which is characterized by including the following steps:

[0034] S1. Perform establishment processing on the photovoltaic power generation components through the photovoltaic power generation unit, collect and process the voltage and temperature of the power generation data of the photovoltaic power generation components, centrally store and manage the collected data through the central data processing terminal, and perform cloud storage management on the data through the cloud data storage repository;

[0035] S2. When performing cloud viewing and modification processing on the power generation data, it is necessary to identify and verify the management identity of the management personnel. When the personnel information identification fails, perform audible and visual alarm prompt processing. When viewing and modifying the power generation data, the change log restoration module is used to record the operation steps in real time and perform restoration processing when it is necessary to restore the modification;

[0036] S3. Detect the weather and sunlight irradiance at the location of the photovoltaic power generation components, so as to predict the power generation power through the power generation data of the historical power generation power statistics unit combined with external influences. At the same time, detect the abnormal situation of the power generation voltage, and perform abnormal detection processing on the power generation power after excluding the weather and sunlight irradiance;

[0037] S4. Select the transmission location of the power generated by the photovoltaic power generation, allocate the daily power consumption values of each location, and detect the actual usage of the substation at the dispatching point after the allocation, calculate the difference value with the predicted power consumption value, and perform daily allocation regulation processing on the power consumption value of the dispatching point that maintains the difference for a long time.

[0038] Compared with the prior art, the beneficial effects of the present invention are: by adding a cloud change operation unit, the present invention realizes cloud data management processing of the data stored by the photovoltaic power generation, improves the management security and efficiency through identity verification processing before management, and by adding a dispatching task adjustment unit, realizes the distribution processing of the power generated by the photovoltaic power generation to the substations at each location, and adaptively changes the power distribution value of each substation. By adding a power generation power prediction unit, it realizes the detection processing of external interference factors on the power generation amount at the location of the photovoltaic power generation, so as to predict the power consumption value of the photovoltaic power generation. Brief Description of the Drawings

[0039] Figure 1 It is the system block diagram of the present invention;

[0040] Figure 2 It is the system block diagram of the power generation power prediction unit of the present invention;

[0041] Figure 3 It is the system block diagram of the dispatching task adjustment unit of the present invention. Detailed Embodiment

[0042] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0043] Please refer to Figures 1 to 3 An embodiment provides a photovoltaic power generation data acquisition system, including a photovoltaic power generation unit, a photovoltaic power generation data acquisition unit, a central data processing terminal, a cloud change operation unit, a malicious tampering identification unit, a cloud data storage repository, a power generation power prediction unit, a power quantity centralized dispatching unit, a dispatching task adjustment unit, a power generation anomaly monitoring unit, a historical power generation power statistics unit, a photovoltaic power generation optimization unit, and a change log restoration module; the photovoltaic power generation unit includes a plurality of interconnected photovoltaic power generation components. The photovoltaic power generation data acquisition unit is communicatively connected to the central data processing terminal and each photovoltaic power generation unit, and is used for acquiring the power generation data of each photovoltaic power generation unit and sending the acquired power generation data to the central data processing terminal; the photovoltaic power generation data acquisition unit includes a voltage acquisition module and a temperature acquisition module, and the voltage acquisition module and the temperature acquisition module are connected by bidirectional electrical signals; the voltage acquisition module is used for acquiring and processing the voltage value of the photovoltaic power generation component in real time; the temperature acquisition module is used for monitoring and processing the heating temperature of the photovoltaic power generation component in real time.

[0044] A photovoltaic power generation data acquisition system provided by an embodiment, please refer to Figures 1 to 3, the central data processing terminal is respectively bidirectionally electrically connected to the cloud change operation unit, the cloud data repository, and the power generation power prediction unit. The central data processing terminal is used for centralized storage management of the power generation data collected by the photovoltaic power generation data acquisition unit, and the stored data is respectively transmitted to the cloud change operation unit, the cloud data repository, and the power generation power prediction unit. The cloud change operation unit is used for cloud data management and processing of the power generation data managed by the central data processing terminal; the cloud change operation unit includes a power generation data management module and a management authentication module that are bidirectionally electrically connected; the power generation data management module is used for querying and data management and processing of the power generation data; the management authentication module is used for authorization verification processing of the personnel's identity information when using the power generation data management module. The malicious tampering identification unit is bidirectionally electrically connected to the cloud change operation unit, and is used for identifying malicious tampering of the power generation data and obtaining and processing personnel information; the malicious tampering identification unit includes a personnel identity identification module and an audible and visual alarm module, and the output end of the personnel identity identification module is communicatively connected to the input end of the audible and visual alarm module; the personnel identity identification module is used for identifying the basic information of the personnel during management and obtaining and processing the information through matching; the audible and visual alarm module is used for performing audible and visual alarm processing when there is malicious operation on the power generation data. The malicious tampering identification unit is bidirectionally connected to a change log restoration module, and the change log restoration module is used for real-time backup processing of the operation steps and managed data when performing cloud management on the power generation data.

[0045] A photovoltaic power generation data acquisition system provided by an embodiment, please refer to Figures 1 to 3 , the cloud data repository is used for cloud storage and cloud sharing processing of the power generation data stored by the central data processing terminal. The power generation power prediction unit is used for performing power generation power prediction processing based on the influencing factors of the power generation power; the output end of the power generation power prediction unit is respectively communicatively connected to the input ends of the power quantity centralized dispatching unit and the power generation anomaly monitoring unit, and the power generation power prediction unit is bidirectionally electrically connected to the historical power generation power statistics unit; the historical power generation power statistics unit is bidirectionally electrically connected to the power generation power prediction unit. The historical power generation power statistics unit combines the historical power generation data stored internally with external influences to perform power generation power prediction processing, and at the same time detects abnormal power generation voltage conditions, and performs abnormal detection processing on the power generation power after excluding weather and sunlight irradiation.

[0046] A photovoltaic power generation data acquisition system provided by an embodiment, please refer to Figures 1 to 3, the power centralized scheduling unit includes a power transmission location selection module and a daily power value distribution module that are connected by bidirectional electrical signals. The output end of the power centralized scheduling unit is communicatively connected to the input end of the scheduling task adjustment unit; the scheduling task adjustment unit is used to identify the power consumption of the substation and adjust the allocated power value according to the power consumption; the power transmission location selection module is used to confirm the transmission location selection of the electric energy generated by photovoltaic power generation; the daily power value distribution module is used to perform daily power value distribution processing on the substations at each transmission location. The scheduling task adjustment unit includes a power preset module for the scheduling point substation, an actual usage detection module for the scheduling point substation, a gap maintenance monitoring module, and a daily allocated power change module. The output end of the power preset module for the scheduling point substation is communicatively connected to the input end of the actual usage detection module for the scheduling point substation. The output end of the actual usage detection module for the scheduling point substation is communicatively connected to the input end of the gap maintenance monitoring module. The output end of the gap maintenance monitoring module is communicatively connected to the input end of the daily allocated power change module; the power preset module for the scheduling point substation is used to obtain the preset value of the daily allocated power value for each substation; the actual usage detection module for the scheduling point substation is used to collect the daily power consumption of each substation; the gap maintenance monitoring module is used to detect the gap between the actual daily power consumption and the daily allocated power, and detect the gap amount within a week; the daily allocated power change module is used to adaptively change the daily allocated power value according to the gap value detected within a week.

[0047] A photovoltaic power generation data acquisition system provided by an embodiment. Please refer to Figures 1 to 3 , the power generation anomaly monitoring unit is used to perform anomaly identification on the power generation amount after the power generation power prediction unit identifies a problem, and detect and process the situation of power generation anomalies. The power generation anomaly monitoring unit includes a power generation voltage anomaly detection module and a power generation power anomaly detection module, and the power generation voltage anomaly detection module and the power generation power anomaly detection module are bidirectionally connected; the power generation voltage anomaly detection module is used to detect the anomaly of the voltage value of photovoltaic power generation; the power generation power anomaly detection module is used to detect the power anomaly when the power generation power of photovoltaic power generation is too low or too high. The photovoltaic power generation optimization unit is bidirectionally connected to the power generation anomaly monitoring unit by electrical signals. The photovoltaic power generation optimization unit is used to optimize the power of photovoltaic power generation according to the anomaly conditions of the power generation voltage and the power generation power, and adjust the position of the photovoltaic power generation components to optimize the power generation power of the photovoltaic power generation components.

[0048] A photovoltaic power generation data acquisition method provided by an embodiment includes the following steps:

[0049] S1. Perform establishment processing on the photovoltaic power generation components through the photovoltaic power generation unit, collect and process the voltage and temperature of the power generation data of the photovoltaic power generation components, centrally store and manage the data through the central data processing terminal, and perform cloud storage management on the data through the cloud data repository;

[0050] S2. When performing cloud viewing and modification processing on the power generation data, it is necessary to identify and verify the management identity of the management personnel. When the personnel information identification fails, perform audible and visual alarm prompt processing. When viewing and modifying the power generation data, record the operation steps in real time through the change log restoration module and perform restoration processing when it is necessary to restore the modification;

[0051] S3. Detect the weather and sunlight irradiation amount at the location of the photovoltaic power generation components, so as to predict the power generation power by combining the power generation data of the historical power generation power statistics unit with external influences. At the same time, detect the abnormal situation of the power generation voltage, and perform abnormal detection processing on the power generation power after excluding the weather and sunlight irradiation amount;

[0052] S4. Select the transmission location of the photovoltaic power, allocate the daily power consumption values of each location, detect the actual usage amount of the substation at the dispatching point after allocation, calculate the difference value with the predicted power consumption value, and perform daily allocation regulation processing on the power consumption value of the dispatching point that maintains the difference for a long time.

[0053] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A photovoltaic power generation data acquisition system, characterized in that: The data acquisition system includes a photovoltaic power generation unit, a photovoltaic power generation data acquisition unit, a central data processing terminal, a cloud change operation unit, a malicious tampering identification unit, a cloud data repository, a power generation power prediction unit, a power quantity centralized scheduling unit, a scheduling task adjustment unit, a power generation anomaly monitoring unit, a historical power generation power statistics unit, a photovoltaic power generation optimization unit, and a change log restoration module; The photovoltaic power generation data acquisition unit is communicatively connected to the central data processing terminal and each photovoltaic power generation unit, and is used for collecting the power generation data of each photovoltaic power generation unit and transmitting the collected power generation data to the central data processing terminal; The central data processing terminal is respectively bidirectionally electrically connected to the cloud change operation unit, the cloud data repository, and the power generation power prediction unit; the central data processing terminal is used for centrally storing and managing the power generation data collected by the photovoltaic power generation data acquisition unit; the cloud change operation unit is used for performing cloud data management and processing on the power generation data managed by the central data processing terminal; The cloud data repository is used for performing cloud storage and cloud sharing processing on the power generation data stored by the central data processing terminal; the power generation power prediction unit is used for performing power generation power prediction processing based on the influencing factors of the power generation power; The malicious tampering identification unit is bidirectionally electrically connected to the cloud change operation unit, and is used for identifying the malicious tampering of the power generation data and acquiring and processing the personnel information; The output end of the power generation power prediction unit is respectively communicatively connected to the input ends of the power quantity centralized scheduling unit and the power generation anomaly monitoring unit, and the output end of the power quantity centralized scheduling unit is communicatively connected to the input end of the scheduling task adjustment unit; the power quantity centralized scheduling unit is used for allocating the transmission position of the power quantity, and the scheduling task adjustment unit is used for identifying the power consumption of the substation and adjusting the allocated power quantity value according to the power consumption; the power generation anomaly monitoring unit is used for abnormally identifying the power generation quantity after the power generation power prediction unit identifies a problem and detecting the power generation anomaly situation; The historical power generation power statistics unit is bidirectionally electrically connected to the power generation power prediction unit. The historical power generation power statistics unit predicts the power generation power by combining the historical power generation data stored internally with the external influence, and at the same time detects the abnormal situation of the power generation voltage and performs abnormal detection processing on the power generation power after excluding the weather and sunlight irradiation amount; The photovoltaic power generation optimization unit is bidirectionally electrically connected to the power generation anomaly monitoring unit. The photovoltaic power generation optimization unit is used for optimizing the power generation power of the photovoltaic power generation according to the abnormal conditions of the power generation voltage and the power generation power, and adjusting the position of the photovoltaic power generation components to optimize the power generation power of the photovoltaic power generation components; The change log restoration module is bidirectionally electrically connected to the malicious tampering identification unit, and is used for performing real-time backup processing on the operation steps and the managed data when performing cloud management on the power generation data.

2. The photovoltaic power generation data acquisition system according to claim 1, wherein: The photovoltaic power generation unit includes a plurality of interconnected photovoltaic power generation components; the photovoltaic power generation data acquisition unit includes a voltage acquisition module and a temperature acquisition module, and the voltage acquisition module and the temperature acquisition module are connected by two-way electrical signals; the voltage acquisition module is used for real-time acquisition and processing of the voltage value of the photovoltaic power generation components; the temperature acquisition module is used for real-time monitoring and processing of the heating temperature of the photovoltaic power generation components.

3. The photovoltaic power generation data acquisition system according to claim 1, wherein: The power generation power prediction unit includes a weather impact detection module, a sunlight irradiation amount detection module, and a power generation power prediction module. The weather impact detection module is connected to the sunlight irradiation amount detection module by two-way electrical signals, and the sunlight irradiation amount detection module is connected to the power generation power prediction module by two-way electrical signals; The weather impact detection module is used for acquiring and processing the weather conditions at the location of the power generation components; The sunlight irradiation amount detection module is used for real-time detection and processing of the sunlight irradiation amount value; The power generation power prediction module is used for predicting and processing the power generation power of the photovoltaic power generation module according to the weather impact detection module and the sunlight irradiation amount detection module.

4. A photovoltaic power generation data acquisition system according to claim 1, characterized in that: The cloud change operation unit includes a power generation data management module and a management authentication module that are connected bidirectionally; The power generation data management module is used for querying and data management processing of the power generation data; the management authentication module is used for authorizing and verifying the identity information of personnel when using the power generation data management module.

5. A photovoltaic power generation data acquisition system according to claim 1, characterized in that: The malicious tampering identification unit includes a personnel identity identification module and an audible and visual alarm module, and the output end of the personnel identity identification module is communicatively connected to the input end of the audible and visual alarm module; The personnel identity identification module is used for identifying the basic information of personnel during management and performing matching and acquisition processing on the information; The audible and visual alarm module is used for performing audible and visual alarm processing when there is malicious operation of the power generation data.

6. The photovoltaic power generation data acquisition system according to claim 1, wherein: The dispatching task adjustment unit includes a dispatching point substation power preset module, a dispatching point substation actual usage detection module, a gap maintenance monitoring module, and a daily allocated power change module. The output end of the dispatching point substation power preset module is communicatively connected to the input end of the dispatching point substation actual usage detection module, the output end of the dispatching point substation actual usage detection module is communicatively connected to the input end of the gap maintenance monitoring module, and the output end of the gap maintenance monitoring module is communicatively connected to the input end of the daily allocated power change module; The dispatching point substation power preset module is used for obtaining the preset value of the daily allocated power value of each substation; The dispatching point substation actual usage detection module is used for collecting and processing the daily electricity consumption of each substation; The gap maintenance monitoring module is used for detecting the gap between the actual daily electricity consumption and the daily allocated power, and detecting the gap amount within a week; The daily allocated power change module is used for adaptively changing the daily allocated power value according to the gap value detected within a week.

7. A photovoltaic power generation data acquisition system according to claim 2, characterized in that: The power generation anomaly monitoring unit includes a power generation voltage anomaly detection module and a power generation power anomaly detection module that are connected by two-way electrical signals; The abnormal power generation voltage detection module is used to perform abnormal detection and processing on the voltage values in the photovoltaic power generation data; the abnormal power generation power detection module is used to perform power abnormal detection and processing when the power generation power of the photovoltaic power generation is too low or too high.

8. The photovoltaic power generation data acquisition system according to claim 3, wherein: The electric quantity centralized scheduling unit includes an electric quantity transmission position selection module and a daily electric quantity value distribution module, and the electric quantity transmission position selection module is bidirectionally electrically connected to the daily electric quantity value distribution module; The electric quantity transmission position selection module is used to perform confirmation processing on the transmission position selection of the electric energy of the photovoltaic power generation; The daily electric quantity value distribution module is used to perform daily electric quantity value distribution processing on the substations at each transmission position.

9. A method for collecting photovoltaic power generation data, characterized in that, The method is implemented by using the photovoltaic power generation data acquisition system described in claim 1, and specifically includes the following steps: S1. Establish the photovoltaic power generation components through the photovoltaic power generation unit, collect the voltage and temperature of the power generation data of the photovoltaic power generation components, centrally store and manage the data through the central data processing terminal, and perform cloud storage management on the data through the cloud data storage library; S2. When viewing and changing the power generation data in the cloud, it is necessary to identify and verify the management identity of the management personnel. When the personnel information identification fails, an audible and visual alarm prompt is performed. When viewing and changing the power generation data, the operation steps are recorded in real time through the change log restoration module and restored when the change needs to be restored; S3. Detect the weather and sunlight irradiance at the position of the photovoltaic power generation components, so as to predict the power generation power by combining the power generation data of the historical power generation power statistics unit with the external influence. At the same time, detect the abnormal situation of the power generation voltage, and perform abnormal detection and processing on the power generation power after excluding the weather and sunlight irradiance; S4. Select the transmission position of the electric power of the photovoltaic power generation, distribute the daily electric power and electric quantity values at each position, detect the actual usage amount of the dispatching point substation after the distribution, calculate the difference value with the predicted electric quantity value, and perform daily distribution regulation processing on the electric quantity value of the dispatching point that maintains the difference for a long time.

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