CN117277375A - Energy distribution method and device for combined energy storage system and electronic equipment - Google Patents
Energy distribution method and device for combined energy storage system and electronic equipment Download PDFInfo
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- CN117277375A CN117277375A CN202311234004.1A CN202311234004A CN117277375A CN 117277375 A CN117277375 A CN 117277375A CN 202311234004 A CN202311234004 A CN 202311234004A CN 117277375 A CN117277375 A CN 117277375A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J15/00—Systems for storing electric energy
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/10—Power transmission or distribution systems management focussing at grid-level, e.g. load flow analysis, node profile computation, meshed network optimisation, active network management or spinning reserve management
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Abstract
The application provides an energy distribution method and device for a combined energy storage system and electronic equipment, and relates to the field of energy storage technology. In the method, a load demand sent by a terminal device is received, wherein the load demand comprises electricity consumption, and the load demand is used for representing the demand of the electricity consumption required by the terminal device; acquiring operation parameters of first energy storage equipment, wherein the operation parameters comprise current temperature and residual electric quantity, and the combined energy storage system comprises a plurality of energy storage equipment, and the first energy storage equipment is energy storage equipment which supplies power for terminal equipment in the plurality of energy storage equipment; calculating to obtain output electric quantity according to the current temperature and the residual electric quantity; and if the output electric quantity is smaller than the electric quantity, sending a power supply instruction to the second energy storage device so as to control the second energy storage device to supply power to the terminal device, wherein the second energy storage device is any energy storage device except the first energy storage device in the plurality of energy storage devices. By implementing the technical scheme provided by the application, energy distribution is convenient to realize, so that the electricity consumption requirement of the terminal equipment is met.
Description
Technical Field
The application relates to the technical field of energy storage technologies, in particular to an energy distribution method and device for a combined energy storage system and electronic equipment.
Background
In modern society, the stability and continuity of the power supply is critical to the proper operation of the various devices. However, conventional power supply systems often face many challenges, such as supply-demand imbalance, peak power loads, and the like. These problems not only lead to reduced operating efficiency of the power system, but also may cause damage to the terminal equipment. In response to these problems, combined energy storage systems are becoming increasingly popular. These devices are capable of storing energy during periods of low power demand and releasing energy during periods of high power demand, thereby balancing power supply and demand and relieving peak power loads.
However, in practical applications, the operation of the combined energy storage system is not without problems. The power supply strategy in the combined energy storage system adopts a one-to-one mode, namely one energy storage device in the combined energy storage system corresponds to one terminal device, which means that when the electric quantity of the energy storage device is insufficient, power cannot be supplied to the corresponding terminal device, and therefore the power consumption requirement of the terminal device cannot be met.
Therefore, there is an urgent need for an energy distribution method, apparatus and electronic device for a combined energy storage system.
Disclosure of Invention
The application provides an energy distribution method and device for a combined energy storage system and electronic equipment, which are convenient for realizing energy distribution so as to meet the electricity consumption requirement of terminal equipment.
In a first aspect of the present application there is provided a method of energy allocation for a combined energy storage system, the method comprising: receiving a load demand sent by a terminal device, wherein the load demand comprises electricity consumption, and the load demand is used for representing the demand of the electricity consumption required by the terminal device; acquiring operation parameters of first energy storage equipment, wherein the operation parameters comprise current temperature and residual electric quantity, the combined energy storage system comprises a plurality of energy storage equipment, and the first energy storage equipment is one of the plurality of energy storage equipment for supplying power to the terminal equipment; calculating to obtain output electric quantity according to the current temperature and the residual electric quantity; and if the output electric quantity is smaller than the electric quantity, sending a power supply instruction to a second energy storage device so as to control the second energy storage device to supply power to the terminal device, wherein the second energy storage device is any one energy storage device except the first energy storage device in the plurality of energy storage devices.
By adopting the technical scheme, the power consumption required by the terminal equipment can be conveniently obtained by receiving the load demand sent by the terminal equipment. And then, acquiring the current temperature and the residual electric quantity of the first energy storage equipment by acquiring the operation parameters of the first energy storage equipment corresponding to the terminal equipment so as to calculate and obtain the output electric quantity of the first energy storage equipment according to the current temperature and the residual electric quantity. And when the output electric quantity is smaller than the power consumption, sending a power supply instruction to the second energy storage device, so as to control the second energy storage device to supply power to the terminal device. Therefore, when the first energy storage equipment cannot meet the power consumption required by the terminal equipment, the second energy storage equipment is controlled to supply power to the terminal equipment by sending a power supply instruction to the second energy storage equipment, so that energy distribution is conveniently realized, and the power consumption requirement of the terminal equipment is met.
Optionally, the calculating to obtain the output electric quantity according to the current temperature and the residual electric quantity is specifically performed by the following formula:
；
wherein P is output electric quantity, P 0 Is the residual electric quantity, T i For the ith temperature value, P i For the output electric quantity corresponding to the ith temperature value, T 0 For reference temperature, T is the current temperature.
By adopting the technical scheme, the temperature parameter is included in the formula, and the performance change of the energy storage device can be better understood or predicted by comparing the reference temperature with the current temperature. Such a comparison may help the devices maintain a stable power output under a variety of different temperature conditions, which helps ensure a reasonable distribution of power among the energy storage devices, thereby preventing any device overload or under-charging. By using the formula, the power distribution can be continuously optimized, and the efficiency and stability of the whole energy storage system are improved. Meanwhile, the system fault prevention device is also beneficial to preventing system faults and improving the reliability and usability of the system. By accurately predicting and controlling the power output, such a formula helps to improve the efficiency of energy use, thereby reducing energy waste.
Optionally, the acquiring the operation parameter of the first energy storage device specifically includes: receiving an operation parameter data packet sent by a sensor group, wherein the sensor group is used for measuring operation parameter data of the first energy storage equipment; and preprocessing the operation parameter data packet to obtain the operation parameter of the first energy storage device, wherein the preprocessing comprises data cleaning, data classification and normalization processing.
By adopting the technical scheme, the sensor group is used for measuring the operation parameter data of the first energy storage equipment, so that accurate and real-time data can be obtained. The data cleaning process can help to remove abnormal values or erroneous data and improve the accuracy of the data. The data classification and normalization process may categorize and normalize different operating parameter data packets, making them easier to analyze and use. This may ensure that the data is consistent and comparable in use. Through real-time monitoring and preprocessing of the operation parameters, potential problems can be found and solved in time, and stable operation of the combined energy storage system is ensured. Through accurate measurement and real-time monitoring of the operation parameters, the performance of the energy storage equipment can be better known, and the use efficiency of energy sources is further optimized. Obtaining accurate operating parameters is important for maintenance and management of the equipment. These data can help predict problems that may occur with the device and take corresponding action to prevent or repair in advance.
Optionally, before the sending the power supply instruction to the second energy storage device, the method further includes: judging the running state of the second energy storage equipment, wherein the running state comprises an idle state, a charging state and a discharging state; and if the second energy storage equipment is in an idle state, determining that the second energy storage equipment is the power supply equipment of the terminal equipment.
By adopting the technical scheme, the power supply instruction can be prevented from being sent to equipment which is not ready for power supply by judging the running state of the second energy storage equipment, the performance and the service life of the equipment can be protected, and the efficiency of the combined energy storage system is improved. By confirming that the second energy storage device is in an idle state, it can be ensured that the selected power supply device is ready to supply power to the terminal device, thereby ensuring that the terminal device is supplied with stable power. By monitoring and managing the running state of each energy storage device, the energy sources in the whole combined energy storage system can be more effectively allocated and managed, and the use efficiency of the energy sources is improved. Through the real-time monitoring of the operation state of the energy storage device, potential problems can be found and solved in time, corresponding adjustment is made, and stable and reliable operation of the whole combined energy storage system is ensured.
Optionally, if the second energy storage device is in a charging state, acquiring a charging and discharging time interval of the second energy storage device; and determining the time for sending the power supply instruction to the second energy storage equipment according to the charge-discharge time interval.
By adopting the technical scheme, the charging and discharging behaviors of the second energy storage equipment can be better known by acquiring the charging and discharging time interval of the second energy storage equipment, so that the adjustment and management of the charging and discharging process are facilitated, and the charging and discharging efficiency and the service life of the equipment are ensured. The power supply can be more reasonably scheduled and distributed by determining the sending time of the power supply instruction according to the charging and discharging time interval, so that the charging and discharging processes of the energy storage devices are matched with the power requirements. Through fine charge and discharge management and power supply scheduling, the stability of the whole combined energy storage system can be improved, and stable power supply can be provided for terminal equipment under various conditions. By monitoring and adjusting the charge and discharge time intervals of each energy storage device, energy sources can be managed and used more effectively, and the use efficiency of the energy sources is improved. By monitoring the charge and discharge states of the second energy storage equipment in real time, the problems in the charge and discharge processes can be found in time, and corresponding preventive maintenance measures are taken to ensure the stable operation of the equipment.
Optionally, the combined energy storage system further includes a charging device, and after the sending a power supply instruction to the second energy storage device if the output power is smaller than the power consumption, the method further includes: and sending a charging instruction to the charging equipment so as to control the charging equipment to charge the first energy storage equipment.
By adopting the technical scheme, the combined energy storage system is more complete and effective in energy management through introducing the charging equipment. The charging equipment can charge the first energy storage equipment, so that the electric quantity of the first energy storage equipment is ensured to be timely supplemented, and the stable operation of the whole combined energy storage system is maintained. By controlling the charging device to charge the first energy storage device, renewable energy or excess power can be stored at an appropriate time, further optimizing the use and management of energy. The combined energy storage system comprises various energy storage devices and charging devices, so that the system is more flexible and reliable in coping with various energy demands and changes. The first energy storage device is charged by controlling the charging device, so that the performance and the service life of the first energy storage device can be protected, and the electric quantity of the first energy storage device is prevented from being exhausted or overused. By monitoring and managing the status and operating parameters of the plurality of energy storage devices and charging devices simultaneously, the power supply may be more reasonably scheduled and distributed, providing a more stable, reliable and efficient power service for the terminal devices.
Optionally, if the output electric quantity is greater than or equal to the electric quantity, a power supply instruction is sent to the first energy storage device so as to control the first energy storage device to supply power to the terminal device.
By adopting the technical scheme, when the output electric quantity meets or exceeds the electric quantity demand, the power supply instruction is directly sent to the first energy storage equipment, so that the existing energy can be more efficiently utilized, and unnecessary energy conversion or transmission loss is avoided. By preferentially using the first energy storage device to supply power, the performance and lifetime of the second energy storage device may be protected from unnecessary charge and discharge cycles. By adjusting the power supply source according to the actual power consumption requirement, the stability of the whole combined energy storage system can be enhanced, and stable power supply can be provided for the terminal equipment under different load requirements. According to the comparison result of the electricity consumption and the output electricity, the target energy storage device of the power supply instruction is dynamically adjusted, so that the more optimized and dynamic energy management strategy can be realized. The power supply can be responded and adjusted rapidly by monitoring and comparing the power consumption requirement and the output electric quantity in real time so as to meet the continuously changing power requirement of the terminal equipment.
In a second aspect of the present application, an energy distribution device for a joint energy storage system is provided, where the energy distribution device includes an acquisition module and a processing module, where the acquisition module is configured to receive a load demand sent by a terminal device, where the load demand includes a power consumption, and the load demand is used to represent a requirement of the power consumption required by the terminal device; the acquiring module is further configured to acquire an operation parameter of a first energy storage device, where the operation parameter includes a current temperature and a residual electric quantity, the combined energy storage system includes a plurality of energy storage devices, and the first energy storage device is an energy storage device that supplies power to the terminal device among the plurality of energy storage devices; the processing module is used for calculating the output electric quantity according to the current temperature and the residual electric quantity; the processing module is further configured to send a power supply instruction to a second energy storage device if the output power is smaller than the power consumption, so as to control the second energy storage device to supply power to the terminal device, where the second energy storage device is any one of the plurality of energy storage devices except the first energy storage device.
In a third aspect of the present application, there is provided an electronic device comprising a processor, a memory for storing instructions, a user interface and a network interface, both for communicating to other devices, the processor being adapted to execute the instructions stored in the memory to cause the electronic device to perform the method as described above.
In a fourth aspect of the present application, there is provided a computer readable storage medium storing instructions that, when executed, perform a method as described above.
In summary, one or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:
1. and the load demand sent by the terminal equipment is received, so that the power consumption required by the terminal equipment is convenient to acquire. And then, acquiring the current temperature and the residual electric quantity of the first energy storage equipment by acquiring the operation parameters of the first energy storage equipment corresponding to the terminal equipment so as to calculate and obtain the output electric quantity of the first energy storage equipment according to the current temperature and the residual electric quantity. And when the output electric quantity is smaller than the power consumption, sending a power supply instruction to the second energy storage device, so as to control the second energy storage device to supply power to the terminal device. Therefore, when the first energy storage equipment cannot meet the electricity consumption required by the terminal equipment, the second energy storage equipment is controlled to supply power to the terminal equipment by sending a power supply instruction to the second energy storage equipment, so that energy distribution is conveniently realized, and the electricity consumption requirement of the terminal equipment is met;
2. the formula incorporates temperature parameters and by using a comparison of the reference temperature and the current temperature, the change in performance of the energy storage device can be better understood or predicted. Such a comparison may help the devices maintain a stable power output under a variety of different temperature conditions, which helps ensure a reasonable distribution of power among the energy storage devices, thereby preventing any device overload or under-charging. Meanwhile, the system fault prevention device is also beneficial to preventing system faults and improving the reliability and usability of the system. By accurately predicting and controlling the power output, the formula is beneficial to improving the use efficiency of energy sources, so that the energy source waste is reduced;
3. The combined energy storage system comprises various energy storage devices and charging devices, so that the system is more flexible and reliable in coping with various energy demands and changes. The first energy storage device is charged by controlling the charging device, so that the performance and the service life of the first energy storage device can be protected, and the electric quantity of the first energy storage device is prevented from being exhausted or overused. By monitoring and managing the status and operating parameters of the plurality of energy storage devices and charging devices simultaneously, the power supply may be more reasonably scheduled and distributed, providing a more stable, reliable and efficient power service for the terminal devices.
Drawings
Fig. 1 is a schematic flow chart of an energy distribution method for a combined energy storage system according to an embodiment of the present application.
Fig. 2 is a schematic block diagram of an energy distribution device for a combined energy storage system according to an embodiment of the present disclosure.
Fig. 3 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Reference numerals illustrate: 21. an acquisition module; 22. a processing module; 31. a processor; 32. a communication bus; 33. a user interface; 34. a network interface; 35. a memory.
Description of the embodiments
In order to make those skilled in the art better understand the technical solutions in the present specification, the technical solutions in the embodiments of the present specification will be clearly and completely described below with reference to the drawings in the embodiments of the present specification, and it is obvious that the described embodiments are only some embodiments of the present application, but not all embodiments.
In the description of embodiments of the present application, words such as "for example" or "for example" are used to indicate examples, illustrations or descriptions. Any embodiment or design described herein as "such as" or "for example" should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "or" for example "is intended to present related concepts in a concrete fashion.
In the description of the embodiments of the present application, the term "plurality" means two or more. For example, a plurality of systems means two or more systems, and a plurality of screen terminals means two or more screen terminals. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating an indicated technical feature. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.
In modern society, the stability and continuity of the power supply is critical to the proper operation of the various devices. However, conventional power supply systems often face a number of significant challenges, such as supply and demand imbalance, peak power loads, and the like. These problems not only lead to reduced operating efficiency of the power system, but also may cause damage to the terminal equipment. To address these issues, joint energy storage systems are becoming more and more widely used. These systems can store energy during periods of low power demand and release energy during periods of high power demand, thereby balancing power supply and demand and relieving peak power loads.
However, the combined energy storage system is not without problems in practical applications. The power supply strategy of the combined energy storage system adopts a one-to-one mode, namely one energy storage device in the combined energy storage system corresponds to one terminal device. There are some potential problems with this one-to-one power mode. Firstly, when the electric quantity of the energy storage equipment is insufficient, power cannot be supplied to the corresponding terminal equipment, so that the power consumption requirement of the terminal equipment cannot be met. This may lead to a failure of the terminal equipment to function properly, even if it is shut down or damaged, and it is difficult to meet the rapidly changing power demand.
In order to solve the above technical problems, the present application provides an energy distribution method for a combined energy storage system, and referring to fig. 1, fig. 1 is a schematic flow chart of an energy distribution method for a combined energy storage system according to an embodiment of the present application. The energy distribution method is applied to a management platform in a combined energy storage system, and comprises the following steps of S110 to S140:
s110, receiving a load demand sent by the terminal equipment, wherein the load demand comprises electricity consumption, and the load demand is used for representing the demand of the electricity consumption required by the terminal equipment.
Specifically, the management platform first receives the load demand sent by the terminal device, and the receiving process is real-time receiving. The management platform is used for managing and monitoring the use of energy, and can coordinate and adjust the supply and the demand of the energy so as to ensure the stability and the efficiency of the combined energy storage system. Terminal devices refer to various devices that require power to operate, such as computers, cell phones, appliances, and the like. The load demand means the desire of the terminal device for power demand. Such demands may arise from the workload of the device, e.g., a running computer or television, or a particular task, e.g., starting up a high power device.
For example, assume that a combined energy storage system includes a solar panel, a battery, and a wind generator. In this system, the user's mobile phone as a terminal device sends its load demand to the management platform, so that the management platform knows that the terminal device is running an application program requiring a lot of power, or that it is about to perform an operation of consuming power, such as starting video recording.
S120, acquiring operation parameters of first energy storage equipment, wherein the operation parameters comprise current temperature and residual electric quantity, and the combined energy storage system comprises a plurality of energy storage equipment, and the first energy storage equipment is energy storage equipment which supplies power for terminal equipment in the plurality of energy storage equipment.
Specifically, after receiving a load demand sent by a terminal device, according to a preset corresponding relationship between the terminal device and an energy storage device, the management platform can learn that the energy storage device corresponding to the terminal device is a first energy storage device. Next, the management platform will acquire the operation parameters of the first energy storage device, so as to acquire the current temperature and the residual electric quantity of the first energy storage device. The operation parameters refer to state parameters of the first energy storage device, wherein the state parameters comprise the current temperature and the residual electric quantity. The current temperature may represent an internal temperature of the energy storage device such as a battery or a capacitor, and the remaining power represents the power remaining in the energy storage device, for knowing the time during which the device may continue to supply power. The energy storage system is composed of a plurality of energy storage devices, and the plurality of energy storage devices can be batteries, super capacitors, fuel cells, solar panels and the like.
Further, the operating parameters may also include a charge-discharge status, indicating whether the energy storage device is being charged or discharged, which is important for understanding the current power status of the energy storage device and predicting its future power supply capability; charge-discharge efficiency, representing the efficiency of charging or discharging of a device, which can help optimize management of power supply and demand; the number of charge and discharge, representing the number of times the device has been charged or discharged, can help to understand the life and performance degradation of the device; maximum charge-discharge power, representing the power at which the device can be charged or discharged, which can help optimize management of power supply and demand; run time, which represents the time that the device has been running, can help to understand the efficiency and life of the energy storage device; environmental factors, such as ambient temperature, ambient humidity, and pressure, etc., can affect the performance and life of the energy storage device. It should be noted that, in the embodiments of the present application, the current temperature of the energy storage device is mainly considered, and other parameters are not limited, which is not repeated here. Acquiring these operating parameters may help the management platform to better understand the status of the first energy storage device for more efficient energy management. For example, if the management platform knows that the temperature of a certain device is too high, it may need to take measures to reduce the temperature to prevent the device from overheating and reduce its performance. Meanwhile, through the knowledge of the residual electric quantity, the energy management platform can better predict and manage the electric power supply so as to ensure that the terminal equipment obtains stable electric power supply.
In one possible implementation manner, acquiring the operation parameter of the first energy storage device specifically includes: receiving an operation parameter data packet sent by a sensor group, wherein the sensor group is used for measuring operation parameter data of first energy storage equipment; and preprocessing the operation parameter data packet to obtain the operation parameter of the first energy storage device, wherein the preprocessing comprises data cleaning, data classification and normalization processing.
Specifically, the above process is a specific process of the management platform provided in the embodiments of the present application to obtain an operation parameter of the first energy storage device. The management platform receives the operational parameter data packets sent by the sensor group, which means that the management platform receives the operational parameter data packets sent from the sensor group in some way, which may be a network connection, a physical interface, etc. The data packets include information about the operating parameters of the first energy storage device, such as the current temperature, the remaining power, etc. However, these data packets may be sent in different formats, e.g., JSON, XML, etc., or different protocols, e.g., modbus, zigbee, etc., depending on the communication protocol between the sensor suite and the management platform. These data packets may be sent periodically or on demand, depending on the configuration and mode of operation of the sensor group and the energy management platform. The sensor group comprises a plurality of sensors, and can comprise a temperature sensor, a current-voltage sensor and the like.
Next, the management platform will perform cleaning, sorting and normalizing processes on the operational parameter data packets. Data cleansing may include outliers removal, missing value padding, noise cancellation, etc., to ensure accuracy and integrity of the data. Data classification is the grouping of data according to certain criteria, such as type, equipment, etc., to facilitate subsequent analysis and processing. The normalization process is to convert different types or ranges of data into a unified numerical value or proportional relationship to facilitate subsequent comparison and analysis.
S130, calculating to obtain output electric quantity according to the current temperature and the residual electric quantity.
Specifically, after the management platform obtains the operation parameters of the first energy storage device, the management platform can calculate the output electric quantity according to the current temperature and the residual electric quantity in the operation parameters. The specific calculation mode is that the current temperature and the residual electric quantity are taken as independent variables, and the output electric quantity is taken as the dependent variable. Because the temperature will have an effect on the output power of the energy storage device, the remaining power and the output power are different.
In one possible implementation, the output power is calculated according to the current temperature and the residual power, specifically by the following formula:
；
Wherein P is output electric quantity, P 0 Is the residual electric quantity, T i For the ith temperature value, P i For the output electric quantity corresponding to the ith temperature value, T 0 For reference temperature, T is the current temperature.
Specifically, the above process is a way of calculating the output power provided in the embodiments of the present application. The reference temperature is a temperature value preset by a manager of the management platform for reducing the influence of the temperature on the output power, so as to reach the ideal output power of the energy storage device, for example, 25 ℃. In order to measure the specific influence percentage of temperature on the output electric quantity, the formula introduces the relation among different output electric quantities corresponding to different temperature values for a plurality of times, so that the power distribution can be continuously optimized, and the efficiency and the stability of the whole combined energy storage system are improved. The formula incorporates temperature parameters and by using a comparison of the reference temperature and the current temperature, the change in performance of the energy storage device can be better understood or predicted. Such a comparison may help the devices maintain a stable power output under a variety of different temperature conditions, which helps ensure a reasonable distribution of power among the energy storage devices, thereby preventing any device overload or under-charging. Meanwhile, the system fault prevention device is also beneficial to preventing system faults and improving the reliability and usability of the system. By accurately predicting and controlling the power output, such a formula helps to improve the efficiency of energy use, thereby reducing energy waste.
And S140, if the output electric quantity is smaller than the electric quantity, sending a power supply instruction to the second energy storage device so as to control the second energy storage device to supply power to the terminal device, wherein the second energy storage device is any energy storage device except the first energy storage device in the plurality of energy storage devices.
Specifically, when the output electric quantity is smaller than the power consumption, that is, the first energy storage device corresponding to the current terminal device cannot meet the power demand, the management platform sends a power supply instruction to the second energy storage device, so that the second energy storage device is controlled to supply power to the terminal device. The power supply instruction may include the following: the target device, i.e. the target of the instruction, is the second energy storage device. The power command typically includes operations to start, stop, or regulate the supply of power. The amount of power supplied or the target power level may also be included in the instruction so that the second energy storage device knows how much power needs to be provided to the terminal device. The duration of the power supply, i.e. how long the second energy storage device needs to provide the specified power supply, may also be included in the instructions. An indication of power supply priority may be included in the instruction, meaning that when there are multiple energy storage devices, some devices may need to be powered more preferentially than others.
For example, assume a joint energy storage system for home energy storage, including solar panels, batteries, and supercapacitors as energy storage devices. When the amount of electricity of the solar panel is insufficient to meet the power demand of the household, the management platform can send a power supply instruction to the super capacitor to instruct the super capacitor to supply power to the household load. The power command may include instructing the supercapacitor to supply 100 watts of power for a duration of two hours and with a high priority.
In one possible embodiment, before sending the power supply instruction to the second energy storage device, the method further includes: judging the running state of the second energy storage equipment, wherein the running state comprises an idle state, a charging state and a discharging state; and if the second energy storage equipment is in an idle state, determining that the second energy storage equipment is a power supply equipment of the terminal equipment.
Specifically, before sending a power supply instruction to the second energy storage device, the management platform further judges an operation state of the second energy storage device, and when confirming that the second energy storage device is in an idle state, determines that the second energy storage device is a power supply device of the terminal device, that is, the second energy storage device defaults to supply power to the terminal device preferentially. Wherein the idle state refers to neither being charged nor being discharged outwards, i.e. the amount of power of the second energy storage device is unchanged. For example, assume a joint energy storage system is a home energy system that includes one solar panel, a battery, and a supercapacitor as energy storage devices. If the solar panel is low in power and the battery is discharging to power the load in the home, the management platform may determine that the supercapacitor is in an idle state. The management platform may then determine the supercapacitor as the device that supplies power to the terminal device and send a power supply command to the supercapacitor to supplement the power supply.
In one possible implementation, if the second energy storage device is in a charging state, acquiring a charging and discharging time interval of the second energy storage device; and determining the time for sending the power supply instruction to the second energy storage device according to the charge-discharge time interval.
In particular, the charge-discharge time interval refers to the time required for the energy storage device to charge from the beginning to the time that it can discharge. This time interval depends on the type of device and the current state. For example, the battery may take 30 minutes to 1 hour to charge from a fully discharged state to a state where power can be supplied, while the supercapacitor may complete charging and begin discharging in a shorter time, such as 1 minute to 10 minutes. The management platform can determine when the power supply command is most suitable by knowing the charge-discharge time interval of the second energy storage device. For example, if the charging and discharging time interval of the second energy storage device is 30 minutes, the energy management platform may send a power supply instruction to the second energy storage device when 30 minutes after it completes the last charging. The power supply can be more reasonably scheduled and distributed by determining the sending time of the power supply instruction according to the charging and discharging time interval, so that the charging and discharging processes of the energy storage devices are matched with the power requirements. By monitoring and adjusting the charge and discharge time intervals of each energy storage device, energy sources can be managed and used more effectively, and the use efficiency of the energy sources is improved. By monitoring the charge and discharge states of the second energy storage equipment in real time, the problems in the charge and discharge processes can be found in time, and corresponding preventive maintenance measures are taken to ensure the stable operation of the equipment.
In one possible implementation, the combined energy storage system further includes a charging device, and after sending a power supply instruction to the second energy storage device if the output power is less than the power consumption, the method further includes: and sending a charging instruction to the charging equipment so as to control the charging equipment to charge the first energy storage equipment.
In particular, in addition to the energy storage devices referred to above, such as batteries and supercapacitors, the combined energy storage system also includes a charging device, such as a power adapter or solar charging panel. When the output power is smaller than the power consumption, it means that the power of the first energy storage device is insufficient, and the first energy storage device needs to be charged for power supply again. Thus, the management platform may send a charging instruction to the charging device. For example, assume that the combined energy storage system is a home energy system comprising a solar charging panel, a battery and a supercapacitor, while also having a power adapter as a charging device. When the battery is not sufficiently charged to meet the power demand of the household and the super capacitor is already in an idle state, the management platform can send a charging instruction to the power adapter or the solar charging panel to start charging the battery. Meanwhile, the energy management platform can also send a power supply instruction to the super capacitor so as to control the super capacitor to supply power to household loads, and the power requirements of families are met. Therefore, the energy management platform realizes flexible and efficient management of power supply and demand and energy distribution by coordinating the work of the plurality of energy storage devices and the charging devices.
In one possible implementation manner, if the output power is greater than or equal to the power consumption, a power supply instruction is sent to the first energy storage device to control the first energy storage device to supply power to the terminal device.
In particular, the output power is greater than or equal to the power consumption, which means that the power of the first energy storage device is sufficient to meet the power requirements of the terminal device. The management platform then sends a power command to the first energy storage device. For example, assume that the combined energy storage system is a home energy system comprising a battery and a supercapacitor, and the terminal device is a home appliance. When the electric quantity of the solar panel is enough to meet the power demand of a household, the management platform can send a power supply instruction to the battery so that the battery starts to supply power to the household appliance. Therefore, the energy management platform realizes the optimized power supply strategy under the condition of balanced or excessive power supply and demand by adjusting the power supply sequence and the priority of different energy storage devices, and is convenient for reasonably distributing the power energy.
The application further provides an energy distribution device for the combined energy storage system, and referring to fig. 2, fig. 2 is a schematic block diagram of the energy distribution device for the combined energy storage system according to the embodiment of the application. The energy distribution device is a management platform, and the management platform comprises an acquisition module 21 and a processing module 22, wherein the acquisition module 21 is used for receiving a load demand sent by a terminal device, the load demand comprises electricity consumption, and the load demand is used for representing the electricity consumption required by the terminal device; the acquiring module 21 is further configured to acquire an operation parameter of a first energy storage device, where the operation parameter includes a current temperature and a remaining power, and the combined energy storage system includes a plurality of energy storage devices, and the first energy storage device is an energy storage device that supplies power to a terminal device from the plurality of energy storage devices; a processing module 22, configured to calculate an output power according to the current temperature and the remaining power; the processing module 22 is further configured to send a power supply instruction to the second energy storage device if the output power is smaller than the power consumption, so as to control the second energy storage device to supply power to the terminal device, where the second energy storage device is any energy storage device other than the first energy storage device from the plurality of energy storage devices.
In one possible implementation, the output power is calculated according to the current temperature and the residual power, specifically by the following formula:
；
wherein P is output electric quantity, P 0 Is the residual electric quantity, T i For the ith temperature value, P i For the output electric quantity corresponding to the ith temperature value, T 0 For reference temperature, T is the current temperature.
In one possible implementation, the obtaining module 21 obtains the operation parameters of the first energy storage device, specifically includes: the acquisition module 21 receives an operation parameter data packet sent by a sensor group, wherein the sensor group is used for measuring operation parameter data of the first energy storage device; the processing module 22 performs preprocessing on the operation parameter data packet to obtain the operation parameter of the first energy storage device, where the preprocessing includes data cleaning, data classification and normalization.
In one possible implementation, before the processing module 22 sends the power supply instruction to the second energy storage device, the method further includes: the processing module 22 determines an operational state of the second energy storage device, the operational state including an idle state, a charged state, and a discharged state; if the second energy storage device is in an idle state, the processing module 22 determines that the second energy storage device is a power supply device for the terminal device.
In one possible implementation, if the second energy storage device is in a charged state, the acquiring module 21 acquires a charging and discharging time interval of the second energy storage device; the processing module 22 determines a time to send a power command to the second energy storage device based on the charge-discharge time interval.
In one possible implementation, the combined energy storage system further includes a charging device, and after the processing module 22 sends a power supply instruction to the second energy storage device if the output power is less than the power consumption, the method further includes: the processing module 22 sends a charging instruction to the charging device to control the charging device to charge the first energy storage device.
In one possible implementation, if the output power is greater than or equal to the power consumption, the processing module 22 sends a power supply instruction to the first energy storage device to control the first energy storage device to supply power to the terminal device.
It should be noted that: in the device provided in the above embodiment, when implementing the functions thereof, only the division of the above functional modules is used as an example, in practical application, the above functional allocation may be implemented by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules, so as to implement all or part of the functions described above. In addition, the embodiments of the apparatus and the method provided in the foregoing embodiments belong to the same concept, and specific implementation processes of the embodiments of the method are detailed in the method embodiments, which are not repeated herein.
The application further provides an electronic device, and referring to fig. 3, fig. 3 is a schematic structural diagram of the electronic device provided in the embodiment of the application. The electronic device may include: at least one processor 31, at least one network interface 34, a user interface 33, a memory 35, at least one communication bus 32.
Wherein the communication bus 32 is used to enable connected communication between these components.
The user interface 33 may include a Display screen (Display) and a Camera (Camera), and the optional user interface 33 may further include a standard wired interface and a standard wireless interface.
The network interface 34 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface), among others.
Wherein the processor 31 may comprise one or more processing cores. The processor 31 connects various parts within the overall server using various interfaces and lines, performs various functions of the server and processes data by executing or executing instructions, programs, code sets, or instruction sets stored in the memory 35, and invoking data stored in the memory 35. Alternatively, the processor 31 may be implemented in hardware in at least one of digital signal processing (Digital Signal Processing, DSP), field programmable gate array (Field-Programmable Gate Array, FPGA), programmable logic array (Programmable Logic Array, PLA). The processor 31 may integrate one or a combination of several of a central processing unit (Central Processing Unit, CPU), an image processor (Graphics Processing Unit, GPU), and a modem etc. The CPU mainly processes an operating system, a user interface, an application program and the like; the GPU is used for rendering and drawing the content required to be displayed by the display screen; the modem is used to handle wireless communications. It will be appreciated that the modem may not be integrated into the processor 31 and may be implemented by a single chip.
The Memory 35 may include a random access Memory (Random Access Memory, RAM) or a Read-Only Memory (Read-Only Memory). Optionally, the memory 35 includes a non-transitory computer readable medium (non-transitory computer-readable storage medium). Memory 35 may be used to store instructions, programs, code sets, or instruction sets. The memory 35 may include a stored program area and a stored data area, wherein the stored program area may store instructions for implementing an operating system, instructions for at least one function (such as a touch function, a sound playing function, an image playing function, etc.), instructions for implementing the above-described respective method embodiments, etc.; the storage data area may store data or the like involved in the above respective method embodiments. The memory 35 may alternatively be at least one memory device located remotely from the aforementioned processor 31. As shown in fig. 3, an operating system, a network communication module, a user interface module, and an application program of an energy allocation method for the joint energy storage system may be included in the memory 35 as a computer storage medium.
In the electronic device shown in fig. 3, the user interface 33 is mainly used for providing an input interface for a user, and acquiring data input by the user; and processor 31 may be configured to invoke an application program stored in memory 35 for use in a method of energy allocation for a combined energy storage system, which when executed by one or more processors, causes an electronic device to perform the method as in one or more of the embodiments described above.
It should be noted that, for simplicity of description, the foregoing method embodiments are all expressed as a series of action combinations, but it should be understood by those skilled in the art that the present application is not limited by the order of actions described, as some steps may be performed in other order or simultaneously in accordance with the present application. Further, those skilled in the art will also appreciate that the embodiments described in the specification are all preferred embodiments, and that the acts and modules referred to are not necessarily required in the present application.
The present application also provides a computer-readable storage medium having instructions stored thereon. When executed by one or more processors, cause an electronic device to perform the method as described in one or more of the embodiments above.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.
In the several embodiments provided herein, it should be understood that the disclosed apparatus may be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative, such as a division of units, merely a division of logic functions, and there may be additional divisions in actual implementation, such as multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some service interface, device or unit indirect coupling or communication connection, electrical or otherwise.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in each embodiment of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable memory. Based on such understanding, the technical solution of the present application may be embodied in essence or a part contributing to the prior art or all or part of the technical solution in the form of a software product stored in a memory, including several instructions for causing a computer device (which may be a personal computer, a server or a network device, etc.) to perform all or part of the steps of the methods of the embodiments of the present application. And the aforementioned memory includes: various media capable of storing program codes, such as a U disk, a mobile hard disk, a magnetic disk or an optical disk.
The foregoing is merely exemplary embodiments of the present disclosure and is not intended to limit the scope of the present disclosure. That is, equivalent changes and modifications are contemplated by the teachings of this disclosure, which fall within the scope of the present disclosure. Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure. This application is intended to cover any adaptations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a scope and spirit of the disclosure being indicated by the claims.
Claims (10)
1. A method of energy distribution for a combined energy storage system, the method comprising:
receiving a load demand sent by a terminal device, wherein the load demand comprises electricity consumption, and the load demand is used for representing the demand of the electricity consumption required by the terminal device;
acquiring operation parameters of first energy storage equipment, wherein the operation parameters comprise current temperature and residual electric quantity, the combined energy storage system comprises a plurality of energy storage equipment, and the first energy storage equipment is one of the plurality of energy storage equipment for supplying power to the terminal equipment;
Calculating to obtain output electric quantity according to the current temperature and the residual electric quantity;
and if the output electric quantity is smaller than the electric quantity, sending a power supply instruction to a second energy storage device so as to control the second energy storage device to supply power to the terminal device, wherein the second energy storage device is any one energy storage device except the first energy storage device in the plurality of energy storage devices.
2. The energy distribution method according to claim 1, wherein the calculating the output power according to the current temperature and the remaining power is performed by the following formula:
；
wherein P is output electric quantity, P 0 Is the residual electric quantity, T i For the ith temperature value, P i For the output electric quantity corresponding to the ith temperature value, T 0 Is the reference temperatureDegree, T is the current temperature.
3. The method for distributing energy according to claim 1, wherein the obtaining the operation parameter of the first energy storage device specifically comprises:
receiving an operation parameter data packet sent by a sensor group, wherein the sensor group is used for measuring operation parameter data of the first energy storage equipment;
and preprocessing the operation parameter data packet to obtain the operation parameter of the first energy storage device, wherein the preprocessing comprises data cleaning, data classification and normalization processing.
4. The energy distribution method according to claim 1, wherein before said sending a power supply instruction to the second energy storage device, the method further comprises:
judging the running state of the second energy storage equipment, wherein the running state comprises an idle state, a charging state and a discharging state;
and if the second energy storage equipment is in an idle state, determining that the second energy storage equipment is the power supply equipment of the terminal equipment.
5. The energy distribution method according to claim 4, characterized in that the method further comprises:
if the second energy storage equipment is in a charging state, acquiring a charging and discharging time interval of the second energy storage equipment;
and determining the time for sending the power supply instruction to the second energy storage equipment according to the charge-discharge time interval.
6. The energy distribution method according to claim 1, wherein the combined energy storage system further comprises a charging device, and after the sending of the power supply instruction to the second energy storage device if the output power is smaller than the power consumption, the method further comprises:
and sending a charging instruction to the charging equipment so as to control the charging equipment to charge the first energy storage equipment.
7. The energy distribution method according to claim 1, characterized in that the method further comprises:
and if the output electric quantity is greater than or equal to the electricity consumption quantity, sending a power supply instruction to the first energy storage device so as to control the first energy storage device to supply power to the terminal device.
8. An energy distribution device for a combined energy storage system, characterized in that the energy distribution device comprises an acquisition module (21) and a processing module (22), wherein,
the acquisition module (21) is used for receiving a load demand sent by a terminal device, wherein the load demand comprises electricity consumption, and the load demand is used for representing the demand of the electricity consumption required by the terminal device;
the acquiring module (21) is further configured to acquire an operation parameter of a first energy storage device, where the operation parameter includes a current temperature and a remaining power, and the combined energy storage system includes a plurality of energy storage devices, and the first energy storage device is an energy storage device that supplies power to the terminal device among the plurality of energy storage devices;
the processing module (22) is used for calculating output electric quantity according to the current temperature and the residual electric quantity;
the processing module (22) is further configured to send a power supply instruction to a second energy storage device if the output power is smaller than the power consumption, so as to control the second energy storage device to supply power to the terminal device, where the second energy storage device is any one of the plurality of energy storage devices except the first energy storage device.
9. An electronic device, characterized in that the electronic device comprises a processor (31), a memory (35), a user interface (33) and a network interface (34), the memory (35) being adapted to store instructions, the user interface (33) and the network interface (34) being adapted to communicate to other devices, the processor (31) being adapted to execute the instructions stored in the memory (35) to cause the electronic device to perform the method according to any one of claims 1 to 7.
10. A computer readable storage medium storing instructions which, when executed, perform the method of any one of claims 1 to 7.
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