Optical storage, charging and switching system for on-line energy scheduling

Abstract

The invention discloses an on-line energy scheduling optical storage, charging and conversion system, and belongs to the technical field of photovoltaic energy storage, the system comprises an energy generation module, an energy storage module, an energy management scheduling module and a temperature control module, the energy generation module comprises a photovoltaic array unit, the photovoltaic array unit can convert solar energy into electric energy, and the temperature control module is connected with the photovoltaic array unit. Green energy is provided for the whole system; the energy generation module is connected with a power grid through an inverter, and the inverter is also in communication with the energy management scheduling module, so that real-time monitoring and adjustment of power output are facilitated. The advanced energy management scheduling module is integrated to realize dynamic adjustment and efficient utilization of energy production, and the system can dynamically adjust energy production, storage and distribution strategies according to factors such as real-time load conditions and weather forecast, so that energy utilization is more reasonable, and energy waste is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of photovoltaic energy storage, and in particular to a photovoltaic storage and charging / switching system for online energy scheduling. Background Art

[0002] With the intensification of the global energy crisis and the improvement of environmental awareness, the development and utilization of renewable energy has become the focus of attention of all countries. Among them, solar energy, as a clean and unlimited energy source, has received widespread attention. However, solar power generation has intermittent and volatile problems, which has led to challenges in the stability of the power grid. Traditional photovoltaic systems usually lack effective energy storage methods and cannot adapt well to changes in power grid demand. In addition, the construction cost of photovoltaic power stations is high, and an efficient energy management and scheduling system is required to reduce operating costs and improve economic benefits. Therefore, it is particularly necessary to develop a photovoltaic storage and charging system that can adjust energy production and storage strategies in real time and has intelligent temperature control. For this purpose, an online energy scheduling photovoltaic storage and charging system is proposed. Summary of the invention

[0003] The purpose of the present invention is to provide an online energy scheduling photovoltaic storage charging and swapping system to solve the problem of intermittent and fluctuating solar power generation mentioned in the above background technology. Traditional photovoltaic systems usually lack effective energy storage means and cannot adapt well to changes in power grid demand.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an online energy-scheduled photovoltaic storage and charging and swapping system, comprising an energy generation module, an energy storage module, an energy management and scheduling module and a temperature control module, wherein the energy generation module comprises a photovoltaic array unit, and the photovoltaic array unit can convert solar energy into electrical energy to provide green energy for the entire system; the energy generation module is connected to the power grid through an inverter, and the inverter also communicates with the energy management and scheduling module to facilitate real-time monitoring and adjustment of power output; the energy storage module comprises a battery pack and a battery management unit, which are used to store excess electrical energy generated by the energy generation module and release electrical energy to meet load demand when power generation is insufficient; the battery management unit monitors the voltage, current and temperature of each battery, and adjusts the energy distribution between batteries through a balancing circuit to ensure uniform aging of the battery pack and maximum capacity utilization; the energy management and scheduling module is a control center that integrates advanced algorithms, and it adjusts the power supply according to real-time load conditions, weather forecasts and electricity demand. The temperature control module is designed with an intelligent temperature control system, which can automatically adjust the internal temperature according to the changes in the external environment temperature. The temperature control module detects the temperature of the battery pack through a sensor, and keeps the energy storage device in a suitable working temperature range through a cooling system and a heating element to improve the system efficiency and extend the life of the equipment. The modules are interconnected through a data bus to ensure efficient and accurate information transmission. By integrating advanced energy management and scheduling modules, dynamic adjustment and efficient utilization of energy production are achieved. The system can dynamically adjust the energy production, storage and distribution strategies according to real-time load conditions, weather forecasts and other factors, making energy utilization more rational and reducing energy waste. At the same time, the introduction of the temperature control module ensures that the battery pack operates within a suitable working temperature range, improves the overall efficiency of the system and extends the service life of the equipment.

[0005] As a further preferred embodiment of the present technical solution: the energy generation module further comprises at least one inverter, which converts the direct current output by the photovoltaic array unit into alternating current suitable for household and industrial use. The inverter is not only responsible for converting the current type, but also has the function of monitoring and recording the power generation, so that users can understand the working status of the system. The inverter is directly electrically connected to the photovoltaic array unit, and exchanges data with the energy management and scheduling module through a communication interface, so as to ensure that the system can flexibly adjust the working mode according to actual conditions. The inverter is also connected to the power grid, and can transmit power to the power grid or obtain power from the power grid according to the instructions issued by the energy management and scheduling module.

[0006] As a further preferred embodiment of the present technical solution: the battery pack in the energy storage module is composed of a plurality of single cells connected in series or in parallel. The battery management unit not only monitors the voltage, current and temperature of each battery, but also adjusts the energy distribution between the batteries through the balancing circuit to ensure uniform aging and maximum capacity utilization of the battery pack. The battery management unit is connected to the battery pack by electronic circuits, and exchanges information with the energy management scheduling module through the data bus to ensure that the battery management system can respond to the instructions of the scheduling module in a timely manner. When a battery cell in the battery pack is low on power, the battery management unit can activate the balancing circuit to transfer part of the power from other battery cells to balance the energy level of the entire battery pack, allowing the user to remotely operate and monitor the entire system, enhancing the user experience. The system's built-in safety protection mechanism and emergency backup power supply design greatly improve the reliability and safety of the system, and can ensure the normal operation of critical loads under extreme conditions.

[0007] As a further preferred embodiment of the present technical solution: the energy management scheduling module includes a data acquisition unit, a data analysis unit and a decision execution unit; the data acquisition unit is responsible for collecting data from various modules, such as power generation, energy storage status, external environmental parameters, etc.; the data analysis unit uses machine learning algorithms to analyze data and predict energy supply and demand trends; the decision execution unit adjusts the system operation mode according to the analysis results, such as switching to energy-saving mode or peak-time electricity sales mode; the data analysis unit and the decision execution unit communicate through an internal bus to ensure that the decision instructions can be executed accurately; in addition, the energy management scheduling module also has an interface for interacting with the user, allowing the user to manually adjust the system's operating parameters;

[0008] As a further preferred embodiment of the present technical solution: the temperature control module is designed with an intelligent temperature control system, which can automatically adjust the internal temperature according to the change of the external ambient temperature; for example, the cooling fan or liquid cooling cycle is started in the high temperature in summer, and the heating pad or heat exchanger is enabled in the low temperature in winter, so that the battery pack and other key components are maintained in an ideal operating temperature range; the temperature sensor in the temperature control system detects the temperature of the battery pack in real time, and sends the temperature data to the temperature control system processor, and the temperature control system decides whether to start the corresponding cooling or heating device based on this, so as to ensure the stable operation of the system; the temperature control system can also adjust the temperature control strategy according to the information fed back by the battery management unit to optimize the working performance of the battery pack;

[0009] As a further preferred embodiment of the present technical solution: the system is also equipped with a user interface module, through which the user can view the system operation status, set operation parameters and receive fault alarm and other information; the user interface module is connected to the energy management and scheduling module via a wireless or wired network, allowing the user to remotely operate and monitor the entire system; the user interface can display information such as the current system's power output, consumption, storage status and future forecasts, and allow the user to set different working modes, such as giving priority to solar power supply, grid power supply or hybrid power supply;

[0010] As a further preferred embodiment of the technical solution: the system is provided with a safety protection mechanism. When an overload, short circuit or abnormally high temperature is detected, the system will automatically cut off the power supply and trigger an alarm to prevent potential safety accidents; the safety protection mechanism is implemented by a protection circuit in the energy management and scheduling module and is connected to the power supply lines of all modules to ensure rapid response in any case; once an abnormal situation occurs, the energy management and scheduling module will immediately take measures, such as disconnecting the inverter from the grid to avoid further damage;

[0011] As a further preferred embodiment of the present technical solution: the system is equipped with an emergency backup power supply, which can be immediately started when the main power supply fails to provide uninterrupted power supply for critical loads; the emergency backup power supply is connected to the energy management and scheduling module through a relay, and can quickly switch to the backup power supply after the main power supply is interrupted; the design of the emergency backup power supply takes into account the continuous operation capability of the system under extreme conditions, ensuring that important equipment will not stop working due to sudden power outages;

[0012] As a further preferred embodiment of the present technical solution: the system has a self-diagnosis function, which can regularly check the working status of each module, discover potential problems and prompt maintenance personnel through the user interface; the self-diagnosis function is implemented by a self-check program in the energy management scheduling module, which can regularly scan the status of each module and record the results in a database; during the self-check process, the system will evaluate the health of the battery pack, the conversion efficiency of the inverter and the operation of other key components to help maintenance personnel discover problems in advance.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. The online energy-dispatching photovoltaic storage and charging / swapping system provided by the present invention realizes dynamic adjustment and efficient utilization of energy production by integrating advanced energy management and dispatching modules. The system can dynamically adjust energy production, storage and distribution strategies according to real-time load conditions, weather forecasts and other factors, making energy utilization more rational and reducing energy waste. At the same time, the introduction of the temperature control module ensures that the battery pack operates within a suitable operating temperature range, improves the overall efficiency of the system and prolongs the service life of the equipment;

[0015] 2. The system uses distributed energy storage and power exchange equipment to regulate the grid load, store solar photovoltaic power generation, and orderly dispatch new energy for efficient use. It also uses battery energy storage to enable inversion to the grid during peak loads to fill the load gap, effectively solving the problem of low voltage. At the same time, photovoltaic energy storage will balance the three loads.

[0016] 3. In addition, the system is equipped with a user interface module that allows users to remotely operate and monitor the entire system, enhancing the user experience. The system's built-in safety protection mechanism and emergency backup power supply design greatly improve the system's reliability and safety, and can ensure the normal operation of critical loads under extreme conditions;

[0017] 4. The system's self-diagnosis function helps maintenance personnel detect potential problems in advance, reduce system downtime, and significantly improve system reliability and safety. When dangerous conditions such as overload, short circuit or abnormally high temperature are detected, the system will automatically cut off the power supply and trigger an alarm to prevent potential safety accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural schematic diagram of an online energy scheduling photovoltaic storage and charging system of the present invention. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] Example

[0021] See also Figure 1As shown, the present invention provides a technical solution: an online energy-scheduled photovoltaic storage and charging-swap system, comprising an energy generation module, an energy storage module, an energy management and scheduling module, and a temperature control module. The energy generation module comprises a photovoltaic array unit, and the photovoltaic array unit can convert solar energy into electrical energy to provide green energy for the entire system; the energy generation module is connected to the power grid through an inverter, and the inverter also communicates with the energy management and scheduling module to facilitate real-time monitoring and adjustment of power output; the energy storage module comprises a battery pack and a battery management unit, which are used to store excess electrical energy generated by the energy generation module and release electrical energy to meet load demand when power generation is insufficient; the battery management unit monitors the voltage, current and temperature of each battery and controls the temperature of the battery by averaging The balancing circuit adjusts the energy distribution between batteries to ensure uniform aging of the battery pack and maximum capacity utilization; the energy management scheduling module is a control center that integrates advanced algorithms. It dynamically adjusts energy production, storage and distribution strategies based on real-time load conditions, weather forecasts and electricity price information factors; the temperature control module is designed with an intelligent temperature control system, which can automatically adjust the internal temperature according to changes in the external ambient temperature. The temperature control module detects the battery pack temperature through sensors, and keeps the energy storage device within a suitable operating temperature range through a cooling system and heating elements to improve system efficiency and extend equipment life. The modules are interconnected through a data bus to ensure efficient and accurate information transmission.

[0022] In this embodiment, specifically: the energy generation module further includes at least one inverter, which converts the direct current output by the photovoltaic array unit into alternating current suitable for home and industrial use. The inverter is not only responsible for converting the current type, but also has the function of monitoring and recording the power generation, so that users can understand the working status of the system. A direct electrical connection is adopted between the inverter and the photovoltaic array unit, and data is exchanged with the energy management scheduling module through a communication interface to ensure that the system can flexibly adjust the working mode according to actual conditions. The inverter is also connected to the power grid and can transmit electricity to the power grid or obtain electricity from the power grid according to the instructions issued by the energy management scheduling module.

[0023] In this embodiment, specifically: the battery pack in the energy storage module is composed of multiple single cells connected in series or in parallel, the battery management unit not only monitors the voltage, current and temperature of each battery, but also adjusts the energy distribution between batteries through the balancing circuit to ensure uniform aging of the battery pack and maximum capacity utilization, the battery management unit is connected to the battery pack with electronic circuits, and exchanges information with the energy management scheduling module through the data bus to ensure that the battery management system can respond to the instructions of the scheduling module in a timely manner, when a battery cell in the battery pack is low on power, the battery management unit can activate the balancing circuit to transfer part of the power from other battery cells to balance the energy level of the entire battery pack.

[0024] In this embodiment, specifically: the energy management scheduling module includes a data acquisition unit, a data analysis unit and a decision execution unit; the data acquisition unit is responsible for collecting data from each module, such as power generation, energy storage status, external environmental parameters, etc.; the data analysis unit uses machine learning algorithms to analyze data and predict energy supply and demand trends; the decision execution unit adjusts the system operation mode according to the analysis results, such as switching to energy-saving mode or peak-time electricity sales mode; the data analysis unit and the decision execution unit communicate through an internal bus to ensure that the decision instructions can be executed accurately; in addition, the energy management scheduling module also has an interface for interacting with the user, allowing the user to manually adjust the system's operating parameters.

[0025] In this embodiment, specifically: the temperature control module is designed with an intelligent temperature control system, which can automatically adjust the internal temperature according to changes in the external ambient temperature; for example, a cooling fan or a liquid cooling cycle is started in the high temperature in summer, and a heating pad or a heat exchanger is enabled in the low temperature in winter, so that the battery pack and other key components are maintained within an ideal operating temperature range; the temperature sensor in the temperature control system detects the temperature of the battery pack in real time, and sends the temperature data to the temperature control system processor, and the temperature control system decides whether to start the corresponding cooling or heating device based on this, so as to ensure stable operation of the system; the temperature control system can also adjust the temperature control strategy according to the information fed back by the battery management unit to optimize the working performance of the battery pack.

[0026] In this embodiment, specifically: the system is also equipped with a user interface module, through which the user can view the system operating status, set operating parameters, and receive fault alarm information; the user interface module is connected to the energy management scheduling module via a wireless or wired network, allowing the user to remotely operate and monitor the entire system; the user interface can display information such as the current system's power output, consumption, storage status, and future forecasts, and allow the user to set different working modes, such as giving priority to solar power supply, grid power supply, or hybrid power supply.

[0027] In this embodiment, specifically: the system is provided with a safety protection mechanism. When overload, short circuit or abnormally high temperature is detected, the system will automatically cut off the power supply and trigger an alarm to prevent potential safety accidents; the safety protection mechanism is implemented by the protection circuit in the energy management scheduling module and is connected to the power supply lines of all modules to ensure a rapid response under any circumstances; once an abnormal situation occurs, the energy management scheduling module will immediately take measures, such as disconnecting the inverter from the grid to avoid further damage.

[0028] In this embodiment, specifically: the system is configured with an emergency backup power supply, which can be started immediately when the main power supply fails to provide uninterrupted power supply for critical loads; the emergency backup power supply is connected to the energy management scheduling module through a relay, and can quickly switch to the backup power supply after the main power supply is interrupted; the design of the emergency backup power supply takes into account the system's ability to continue operating under extreme conditions, ensuring that important equipment will not stop working due to sudden power outages.

[0029] In this embodiment, specifically: the system has a self-diagnosis function, which can regularly check the working status of each module, discover potential problems and prompt maintenance personnel through the user interface; the self-diagnosis function is implemented by a self-check program in the energy management scheduling module, which can regularly scan the status of each module and record the results in a database; during the self-check process, the system will evaluate the health of the battery pack, the conversion efficiency of the inverter and the operation of other key components to help maintenance personnel discover problems in advance.

[0030] Working principle or structural principle: Step 1: Energy generation; the photovoltaic array unit converts the received solar radiation into DC power, the inverter converts the DC power generated by the photovoltaic array unit into AC power suitable for home and industrial use, and monitors and records the power generation.

[0031] Step 2: Power transmission and storage; the inverter transmits power to the grid or obtains power from the grid according to the instructions of the energy management scheduling module. The excess electric energy is converted by the inverter and stored in the battery pack. The battery management unit monitors the voltage, current and temperature of the battery, and adjusts the energy distribution between batteries through the balancing circuit to ensure the maximum capacity utilization of the battery pack.

[0032] Step 4: Energy management scheduling; the data acquisition unit collects data from each module, such as power generation, energy storage status, external environmental parameters, etc. The data analysis unit uses machine learning algorithms to analyze the collected data and predict energy supply and demand trends. The decision-making execution unit adjusts the system operation mode based on the analysis results, such as switching to energy-saving mode or peak-time electricity sales mode. Users can manually adjust the system's operating parameters through the user interface.

[0033] Step 5: Temperature control; The temperature control module automatically adjusts the internal temperature according to the changes in the external ambient temperature. The temperature sensor in the temperature control system detects the temperature of the battery pack and starts the cooling or heating device according to the data to keep the operating temperature of the battery pack within the optimal range.

[0034] Step 6: User interface and remote monitoring; The user interface displays the system's operating status, allows users to set parameters, and receive fault alarm and other information. Users can remotely operate and monitor the entire system through the user interface.

[0035] Step 7: Safety protection. The safety protection mechanism automatically cuts off the power supply and triggers an alarm when an overload, short circuit or abnormally high temperature is detected. The protection circuit is connected to the power supply lines of all modules to ensure a quick response in any situation.

[0036] Step 8: Emergency backup: The emergency backup power supply starts immediately when the main power supply fails, providing uninterrupted power supply for critical loads.

[0037] Step 9: Self-diagnosis. The system performs self-diagnosis regularly, identifies potential problems and prompts maintenance personnel through the user interface. During the self-diagnosis process, the system evaluates the health of the battery pack, the conversion efficiency of the inverter and the operation of other key components to help maintenance personnel detect problems in advance.

[0038] Step 10: Continuous operation and optimization. The system continues to operate and continuously optimizes the operation strategy based on actual conditions to ensure efficient and stable energy scheduling.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An online energy dispatching photovoltaic storage and charging system, characterized by: It includes an energy generation module, an energy storage module, an energy management and scheduling module, and a temperature control module. The energy generation module includes a photovoltaic array unit, which can convert solar energy into electrical energy to provide green energy for the entire system. The energy generation module is connected to the power grid through an inverter, and the inverter also communicates with the energy management and scheduling module to facilitate real-time monitoring and adjustment of power output. The energy storage module includes a battery pack and a battery management unit, which are used to store excess electrical energy generated by the energy generation module and release electrical energy to meet load demand when power generation is insufficient. The battery management unit monitors the voltage, current and temperature of each battery, and adjusts the energy distribution between batteries through a balancing circuit to ensure uniform aging of the battery pack and maximum capacity utilization. The energy management and scheduling module is a control center that integrates advanced algorithms. It dynamically adjusts energy production, storage and distribution strategies based on real-time load conditions, weather forecasts, and electricity price information factors. The temperature control module is designed with an intelligent temperature control system, which can automatically adjust the internal temperature according to changes in the external ambient temperature. The temperature control module detects the battery pack temperature through sensors, and keeps the energy storage device within a suitable operating temperature range through a cooling system and heating elements to improve system efficiency and extend equipment life. The modules are interconnected through a data bus to ensure efficient and accurate information transmission.

2. According to the online energy scheduling photovoltaic storage and charging and swapping system of claim 1, it is characterized by: The energy generation module further includes at least one inverter, which converts the direct current output by the photovoltaic array unit into alternating current suitable for home and industrial use. The inverter is not only responsible for converting the current type, but also has the function of monitoring and recording the power generation, so that users can understand the working status of the system. The inverter and the photovoltaic array unit are directly electrically connected, and data is exchanged with the energy management and scheduling module through a communication interface to ensure that the system can flexibly adjust the working mode according to actual conditions. The inverter is also connected to the power grid and can transmit electricity to or obtain electricity from the power grid according to the instructions issued by the energy management and scheduling module.

3. According to the online energy scheduling photovoltaic storage and charging and swapping system of claim 2, it is characterized by: The battery pack in the energy storage module is composed of multiple single cells connected in series or in parallel. The battery management unit not only monitors the voltage, current and temperature of each battery, but also adjusts the energy distribution between batteries through the balancing circuit to ensure uniform aging of the battery pack and maximum capacity utilization. The battery management unit is connected to the battery pack with electronic circuits and exchanges information with the energy management scheduling module through the data bus to ensure that the battery management system can respond to the instructions of the scheduling module in a timely manner. When a battery cell in the battery pack is low on power, the battery management unit can activate the balancing circuit to transfer part of the power from other battery cells to balance the energy level of the entire battery pack.

4. According to the online energy scheduling photovoltaic storage and charging and swapping system of claim 3, it is characterized by: The energy management scheduling module includes a data acquisition unit, a data analysis unit and a decision execution unit; the data acquisition unit is responsible for collecting data from various modules, such as power generation, energy storage status, external environmental parameters, etc.; the data analysis unit uses machine learning algorithms to analyze data and predict energy supply and demand trends; The decision execution unit adjusts the system operation mode according to the analysis results, such as switching to energy-saving mode or peak-hour electricity sales mode; the data analysis unit and the decision execution unit communicate through an internal bus to ensure that the decision instructions can be executed accurately; in addition, the energy management scheduling module also has an interface for interacting with the user, allowing the user to manually adjust the system's operating parameters.

5. According to the online energy scheduling photovoltaic storage and charging and swapping system of claim 4, it is characterized by: The temperature control module is designed with an intelligent temperature control system, which can automatically adjust the internal temperature according to changes in the external ambient temperature; for example, the cooling fan or liquid cooling cycle is started in the high temperature in summer, and the heating pad or heat exchanger is enabled in the low temperature in winter, so that the battery pack and other key components are maintained in an ideal operating temperature range; the temperature sensor in the temperature control system detects the temperature of the battery pack in real time and sends the temperature data to the temperature control system processor, and the temperature control system decides whether to start the corresponding cooling or heating device based on this, so as to ensure the stable operation of the system; the temperature control system can also adjust the temperature control strategy according to the information fed back by the battery management unit to optimize the working performance of the battery pack.

6. The photovoltaic storage and charging / swapping system for online energy scheduling according to claim 5 is characterized in that: The system is also equipped with a user interface module, through which the user can view the system operating status, set operating parameters and receive fault alarm information; The user interface module and the energy management scheduling module are connected via a wireless or wired network, allowing users to remotely operate and monitor the entire system; the user interface can display information such as the current system's power output, consumption, storage status, and future forecasts, and allow users to set different working modes, such as giving priority to solar power supply, grid power supply, or hybrid power supply.

7. The photovoltaic storage and charging / swapping system for online energy scheduling according to claim 6 is characterized in that: The system is equipped with a safety protection mechanism. When overload, short circuit or abnormally high temperature is detected, the system will automatically cut off the power supply and trigger an alarm to prevent potential safety accidents. The safety protection mechanism is implemented by the protection circuit in the energy management scheduling module and is connected to the power supply lines of all modules to ensure rapid response in any situation. Once an abnormal situation occurs, the energy management scheduling module will immediately take measures, such as disconnecting the inverter from the power grid to avoid further damage.

8. The photovoltaic storage and charging / swapping system for online energy scheduling according to claim 7 is characterized in that: The system is equipped with an emergency backup power supply, which can be immediately started when the main power supply fails to provide uninterrupted power supply for critical loads; The emergency backup power supply is connected to the energy management and scheduling module through a relay, and can quickly switch to the backup power supply after the main power supply is interrupted; the design of the emergency backup power supply takes into account the system's ability to continue operating under extreme conditions, ensuring that important equipment will not stop working due to sudden power outages.

9. The photovoltaic storage and charging / swapping system for online energy scheduling according to claim 8 is characterized in that: The system has a self-diagnosis function, which can regularly check the working status of each module, discover potential problems and prompt maintenance personnel through the user interface; the self-diagnosis function is implemented by the self-check program in the energy management scheduling module, which can regularly scan the status of each module and record the results in the database; during the self-check process, the system will evaluate the health of the battery pack, the conversion efficiency of the inverter and the operation of other key components to help maintenance personnel discover problems in advance.

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