Energy storage reverse power supply control method and system of shared energy charging and replacing energy storage all-in-one machine

Abstract

The application discloses a kind of energy storage reverse power supply control methods of shared charging and changing energy storage integrated machine, comprising: detecting multiple power transmission interfaces connected with master module, obtains power supply request;In obtaining the power supply request of power transmission, the total amount of power supply energy of multiple energy storage power supply modules is detected, if it meets the quantity of power supply request, generates power supply instruction distribution energy storage power supply module that meets the quantity of power supply request to request power supply charging interface output electric quantity;The charging quantity of request power supply charging interface is detected, if energy storage power supply module that meets the quantity of power supply request is completely full the quantity of power supply request, end current power supply operation.The application is based on power demand and grid condition, optimizes the charging and discharging strategy of battery combination, considers factors such as grid user demand simultaneously, to reduce energy cost and improve system efficiency to the greatest extent, alleviate the problem that power system load peak valley difference is too large.

Description

Technical Field

[0001] This invention belongs to the field of power equipment technology, specifically relating to a method and system for controlling reverse power supply of energy storage in a shared charging and swapping integrated energy storage unit. Background Technology

[0002] Under the global trend of energy revolution, new energy storage design models are the inevitable path for the transformation and upgrading of the energy storage industry. National and local governments have successively introduced a number of policies to guide and promote the high-quality development of new energy storage. New energy storage, with its advantages of short construction cycle, minimal environmental impact, and low site selection requirements, has a clear competitive advantage in the energy storage market.

[0003] Under the dual-carbon context, promoting energy structure transformation and building a new power system dominated by new energy sources has become a global consensus. Energy storage, as a crucial component for coordinating and interacting power generation, grid, load, and storage to achieve dynamic balance between power supply and demand, has become a core element. Among these, new energy storage technologies, with their rapid response, flexible configuration, and short construction cycles, improve the flexibility of the power system, providing vital support for achieving carbon peaking and carbon neutrality goals, and thus becoming an essential path for the upgrading and transformation of the energy storage industry.

[0004] Existing battery swapping and energy storage devices mostly use batteries connected in series or parallel, and their stability is greatly affected by the batteries themselves. In the event of a fault, they cannot effectively and promptly handle grid outages. In existing conventional technologies, reverse power supply operations using energy storage are difficult to control and maintain grid power supply precisely due to immature techniques, leading to circuit instability and power supply anomalies. Handling power supply from a single distribution network is already challenging; in actual power production, even more complex situations may arise, such as multiple distribution networks being unbalanced due to faults, requiring supplemental power to maintain operational stability. Due to the lack of intelligent grid replenishment solutions, long-term poor usage habits can easily damage peripheral power supply components, potentially burning out equipment, causing distribution network paralysis, and resulting in irreparable losses. Therefore, there is an urgent need to design a reverse power supply control method and system for shared charging and swapping integrated energy storage devices to solve the above-mentioned technical problems. Summary of the Invention

[0005] To address the shortcomings of the existing technology, the present invention aims to overcome these deficiencies and provide a reverse power supply control method for a shared charging and swapping integrated energy storage device, the method comprising the following:

[0006] Detect multiple power transmission interfaces connected to the main control module and obtain power supply requests;

[0007] Upon receiving a power supply request, the total power supply energy of multiple energy storage power supply modules is detected. If the number of modules meets the power supply request, a power supply command is generated to allocate the power supply to the requested power supply charging interface.

[0008] The system detects the number of charges requested by the charging interface. If the energy storage power supply module is fully charged to the requested number of charges, the current power supply operation ends.

[0009] As a further optimization of the above solution, before detecting multiple power transmission interfaces connected to the main control module and obtaining power supply requests, the following steps are also included:

[0010] Continuously collect distribution network voltage data to obtain distribution network voltage values;

[0011] If the voltage of the power distribution network is lower than the first charging threshold, the main control module is switched to reverse power supply mode, continuously outputting the power supply energy of multiple energy storage power supply modules to the power distribution network, and stopping the detection of power supply requests from multiple charging interfaces connected to the main control module.

[0012] The system detects the voltage value of the power distribution network. If the voltage value is not lower than the first voltage stabilization threshold, the current power supply operation ends, and the main control module is switched to positive power supply mode.

[0013] As a further optimization of the above solution, when allocating the required number of energy storage power supply modules to the requested power charging interface to output power after switching the main control module to reverse power supply mode, the following additional steps are included:

[0014] Set all energy storage power supply modules participating in the current power supply request to be active;

[0015] Stop all active energy storage power supply modules from receiving power supply commands except for the current charging interface;

[0016] The power supply quantity of the requested power charging interface is detected. If the energy storage power supply module is fully charged to the requested power supply quantity, the current power supply operation ends.

[0017] Set all energy storage power supply modules that are not currently participating in the power supply request to standby mode and continuously monitor for power supply commands.

[0018] As a further optimization of the above solution, after switching the main control module to reverse power supply mode, and generating a power supply command to allocate the required number of energy storage power supply modules to the requested power supply charging interface to output power:

[0019] Detect multiple power transmission interfaces connected to the main control module and obtain power supply requests;

[0020] If a power supply request from a new distribution network is received, the total power supply energy of multiple energy storage power supply modules (excluding those marked as active) is detected. If the total power supply energy meets the number of power supply requests from the new distribution network, a power supply command is generated to allocate the energy storage power supply modules that meet the number of power supply requests from the distribution network to the requested power supply charging interface to output power.

[0021] Repeat the above operations of obtaining the power supply request of the new distribution network and allocating energy storage power supply modules that meet the number of power supply requests of the new distribution network until the total power supply energy of all energy storage power supply modules in standby state cannot meet the number of power supply requests of the first new distribution network to be allocated. Mark the corresponding new distribution network as a saturated value network and set the main control module to saturated power supply mode.

[0022] The system continuously monitors the status of all energy storage power supply modules marked as active. If any active module changes to standby mode and the total power supply of all other standby energy storage power supply modules exceeds the saturation value of the power grid, the system obtains the power supply request interface of the saturation value power grid, generates a power supply command, and allocates the power output of the standby energy storage power supply modules that meet the power supply request of the distribution network to the power transmission interface of the saturation value power grid.

[0023] As a further optimization of the above scheme, after marking the corresponding new distribution network as a saturated value network and setting the main control module to saturated power supply mode, the following are also included:

[0024] Set a first time point t0, where t0 is the corresponding time point for setting the main control module to saturated power supply mode;

[0025] Based on the main control module, the energy storage power supply module with the shortest time to switch to standby state among all active states is obtained, and the corresponding time period Δt1 to be switched is calculated.

[0026] The number of power supply requests corresponding to the saturation value of the power grid is obtained from the main control module, and the time period for filling the grid is Δt3.

[0027] Send the full charge time Δt1+Δt3 command to the saturated power grid, detect multiple power transmission interfaces connected to the main control module, and obtain new power supply requests;

[0028] Upon receiving a power supply request from the new power distribution network, a saturated power supply mode warning command and a waiting time Δt1+Δt3 command are sent to the charging interface corresponding to the power supply request from the new power distribution network.

[0029] As a further optimization of the above solution, in the saturated power supply mode:

[0030] The transition time from the energy storage power supply module to the standby state is set as Δt1, and the transition time of the next shortest energy storage power supply module is set as Δt2.

[0031] Detect multiple charging ports connected to the main control module and obtain new power supply requests;

[0032] The time period for filling the power supply request quantity corresponding to the saturated grid is set to Δt3. The first new distribution network to be allocated after setting the saturated grid is set to the secondary saturated grid, and the time period for filling the corresponding power supply request quantity is set to Δt4.

[0033] If Δt3≤Δt4, after Δt1 ends, the main control module generates a power supply command to allocate the power output of the energy storage power supply module in the current standby state to the power transmission interface of the saturated grid.

[0034] If Δt3>Δt4 and Δt2>Δt1, after Δt1 ends, the main control module generates a power supply command to allocate the power output of the energy storage power supply module in the current standby state to the power transmission interface of the saturated grid.

[0035] If Δt3 > Δt4 and Δt2 = Δt1, directly allocate the power output of any energy storage power supply module that meets the grid power supply request quantity of the subsaturation value in any standby state at the current time to the corresponding transmission interface.

[0036] As a further optimization of the above solution, status monitoring of multiple energy storage power supply modules is performed based on the main control module:

[0037] If the total power supply of multiple energy storage power supply modules is detected to be lower than the second charging threshold, the multiple energy storage power supply modules are set to sleep mode based on the main control module; the detection of power supply requests from multiple charging interfaces connected to the main control module is stopped.

[0038] If any of the multiple energy storage power supply modules is found to have an abnormal output voltage, the connection with the energy storage power supply module with the abnormal output voltage is disconnected based on the main control module settings, and the external power supply operation of the energy storage power supply module with the abnormal output voltage is stopped.

[0039] This invention also discloses a reverse power supply control system for a shared charging and swapping integrated energy storage machine, the system comprising the following:

[0040] The power supply detection module is used to detect multiple power transmission interfaces connected to the main control module and obtain power supply requests.

[0041] The battery power detection module is used to detect the total power supply energy of multiple energy storage power supply modules when a power supply request is received.

[0042] The first power output module is used to allocate the power output of the energy storage power supply modules that meet the power supply request to the power request charging interface;

[0043] The first power supply stop module is used to detect the amount of power supplied by the requested power supply charging interface. If the energy storage power supply module that meets the power supply request is fully charged, the current power supply operation ends.

[0044] As a further optimization of the above solution, the system also includes:

[0045] The power grid detection module is used to continuously collect the voltage of the distribution network and obtain the voltage value of the distribution network.

[0046] The second power supply output module is used to switch the main control module to reverse power supply mode if the distribution network voltage is lower than the first charging threshold, continuously output the power supply energy of multiple energy storage power supply modules to the distribution network end, and stop detecting the power supply requests of multiple charging interfaces connected to the main control module.

[0047] The second power supply stop module detects the value of the distribution network voltage. If the distribution network voltage value is not lower than the first power stabilization threshold, it ends the current power supply operation and switches the main control module to positive power supply mode.

[0048] A computer-readable storage medium for storing computer programs or code, characterized in that, when the computer program or code is executed by a processor, it implements the energy storage reverse power supply control method of the shared charging and swapping energy storage integrated machine as described in any one of the claims.

[0049] The present invention adopts the above-described technical solution, and compared with the prior art, it has the following beneficial effects:

[0050] 1. This invention discloses a reverse power supply control technology for a shared charging and swapping integrated energy storage unit. Based on electricity demand and grid conditions, it optimizes the charging and discharging strategies of the battery pack, avoiding the limitations of single-cell series or parallel connection, and greatly improving the stability of the grid power supply environment. Simultaneously, it considers factors such as grid user demand to minimize energy costs and improve system efficiency, alleviating the problem of excessive peak-valley load differences in the power system.

[0051] 2. By continuously monitoring the grid voltage in real time, and once the grid voltage reaches the first stable voltage threshold, it indicates that the grid is in normal operating condition. At this point, all energy storage power supply modules will be disconnected from the grid, and the energy storage power supply modules will begin charging in reverse. Power requests from the user will then be initiated. Throughout the entire reverse power supply operation, this solution requires continuous collection and analysis of grid information and battery status information, and adjustments to its decisions based on changes in these statuses. This invention specifically addresses grid power supply detection, ensuring stable and effective grid operation before further enabling external power supply services, effectively guaranteeing grid transmission security and reducing maintenance costs.

[0052] 3. To enhance the management of multiple energy storage power supply modules, this invention employs an active marking method. Modules currently supplying power are marked as active, while modules in good condition but not supplying power are marked as standby. Furthermore, the active state is further restricted, ensuring that each energy storage power supply module can maintain only one state at a time. This achieves intelligent management of power supply needs, preventing chaotic management of multiple energy storage power supply modules and thus avoiding production accidents.

[0053] 4. This invention designs a saturation description state. By monitoring the state value of the energy storage power supply module in real time, it rationally allocates the remaining standby energy storage power supply modules to ensure that when any energy storage power supply module in an active state transitions to a standby state, resources are immediately integrated to meet the power transmission needs of the distribution network. This invention's intelligent design avoids wasting the energy of the energy storage power supply module, achieves timely monitoring and timely action, and improves the operational stability of the distribution network. Attached Figure Description

[0054] Other features, objects, and advantages of this application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0055] Figure 1 This is a schematic diagram of the process of the present invention;

[0056] Figure 2 This is another schematic diagram of the process of the present invention;

[0057] Figure 3 This is another schematic diagram of the process of the present invention;

[0058] Figure 4 This is another schematic diagram of the process of the present invention;

[0059] Figure 5 This is another schematic diagram of the process of the present invention;

[0060] Figure 6 This is another schematic diagram of the process of the present invention. Detailed Implementation

[0061] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0062] like Figure 1-6 As shown in the figure, this invention discloses a reverse power supply control technology for a shared charging and swapping energy storage integrated machine. Based on electricity demand and grid conditions, it optimizes the charging and discharging strategies of the battery pack, while also considering factors such as grid user demand, in order to minimize energy costs and improve system efficiency, and alleviate the problem of excessive peak-valley load difference in the power system.

[0063] Specifically, this invention discloses a reverse power supply control technology for a shared charging and swapping integrated energy storage machine, including:

[0064] Detect multiple power transmission interfaces connected to the main control module and obtain power supply requests;

[0065] Upon receiving a power supply request, the total power supply energy of multiple energy storage power supply modules is detected. If the number of modules meets the power supply request, a power supply command is generated to allocate the power supply to the requested power supply charging interface.

[0066] The system detects the number of charges requested by the charging interface. If the energy storage power supply module is fully charged to the requested number of charges, the current power supply operation ends.

[0067] Example 1:

[0068] Based on Embodiment 1 provided by the present invention, a shared charging and swapping energy storage integrated machine (hereinafter referred to as the machine) energy storage power supply control technology is disclosed. Any power user who wants to charge the device through the machine needs to send a charging request to the machine. After receiving the request instruction, the main control module analyzes the power of the machine's multiple energy storage power supply modules. If it is confirmed that the stored power of the multiple energy storage power supply modules can meet the power transmission requirements, that is, it selects the energy storage power supply module that at least meets the maximum power transmission requirements from the multiple qualified energy storage power supply modules, and continuously monitors the power until the power user is fully charged, and ends the current power supply operation.

[0069] Specifically, before detecting multiple charging ports connected to the main control module and obtaining power supply requests, the process also includes:

[0070] Continuously collect distribution network voltage data to obtain distribution network voltage values;

[0071] If the voltage of the power distribution network is lower than the first charging threshold, the main control module is switched to reverse power supply mode, continuously outputting the power supply energy of multiple energy storage power supply modules to the power distribution network, and stopping the detection of power supply requests from multiple charging interfaces connected to the main control module.

[0072] The system detects the voltage value of the power distribution network. If the voltage value is not lower than the first voltage stabilization threshold, the current power supply operation ends, and the main control module is switched to positive power supply mode.

[0073] Example 2:

[0074] The present invention also discloses an embodiment in which the machine needs to collect and monitor the distribution network voltage at all times. When the grid voltage is detected to be too low, below a certain range, or when the time reaches the off-peak electricity consumption period, the machine is used as an energy storage terminal, and the grid changes from a power supply terminal to a power consumption terminal. The battery energy of the energy storage power supply module is converted into AC power through frequency conversion to supply power to the grid, and at the same time, all external power consumption terminal power supply requests are stopped.

[0075] By continuously monitoring the grid voltage in real time, and once the grid voltage reaches the first stable voltage threshold, indicating that the grid is in normal operating condition, all energy storage power supply modules will be disconnected from the grid, and the energy storage power supply modules will begin charging in reverse. Power requests from the user will then be initiated. Throughout the entire reverse power supply operation, this solution requires continuous collection and analysis of grid information and battery status information, constantly adjusting its decisions based on changes in these states. This invention specifically addresses grid power supply detection, ensuring stable and effective grid operation before further enabling external power supply services, effectively guaranteeing grid transmission security and reducing maintenance costs.

[0076] Specifically, after switching the main control module to reverse power supply mode, when allocating the required number of energy storage power supply modules to the requested power supply charging interface to output power, the following steps are also included:

[0077] Set all energy storage power supply modules participating in the current power supply request to be active;

[0078] Stop all active energy storage power supply modules from receiving power supply commands except for the current charging interface;

[0079] The power supply quantity of the requested power charging interface is detected. If the energy storage power supply module is fully charged to the requested power supply quantity, the current power supply operation ends.

[0080] Set all energy storage power supply modules that are not currently participating in the power supply request to standby mode and continuously monitor for power supply commands.

[0081] More specifically, to enhance the management of multiple energy storage power supply modules, this invention employs an active marking method. Modules currently supplying power are marked as active, while modules in good condition but not supplying power are marked as standby. Furthermore, the active state is further restricted, ensuring that each energy storage power supply module can maintain only one state at a time. This achieves intelligent management of power supply needs, preventing chaotic management of multiple energy storage power supply modules and thus avoiding production accidents.

[0082] Specifically, after switching the main control module to reverse power supply mode, and generating a power supply command to allocate the required number of energy storage power supply modules to the requested power supply charging interface to output power:

[0083] Detect multiple power transmission interfaces connected to the main control module and obtain power supply requests;

[0084] If a power supply request from a new distribution network is received, the total power supply energy of multiple energy storage power supply modules (excluding those marked as active) is detected. If the total power supply energy meets the number of power supply requests from the new distribution network, a power supply command is generated to allocate the energy storage power supply modules that meet the number of power supply requests from the distribution network to the requested power supply charging interface to output power.

[0085] Repeat the above operations of obtaining the power supply request of the new distribution network and allocating energy storage power supply modules that meet the number of power supply requests of the new distribution network until the total power supply energy of all energy storage power supply modules in standby state cannot meet the number of power supply requests of the first new distribution network to be allocated. Mark the corresponding new distribution network as a saturated value network and set the main control module to saturated power supply mode.

[0086] The system continuously monitors the status of all energy storage power supply modules marked as active. If any active module changes to standby mode and the total power supply of all other standby energy storage power supply modules exceeds the saturation value of the power grid, the system obtains the power supply request interface of the saturation value power grid, generates a power supply command, and allocates the power output of the standby energy storage power supply modules that meet the power supply request of the distribution network to the power transmission interface of the saturation value power grid.

[0087] Example 3:

[0088] As a power supply and energy storage device, the machine needs to consider the one-to-many situation of the distribution network. Specifically, several distribution networks may need to transmit power simultaneously. To address this, the present invention is designed to register them sequentially. When performing a full power supply operation on the first distribution network, the subsequent power demand is detected simultaneously, and the energy storage power supply modules already in operation are excluded. The remaining standby modules are redistributed to support the power transmission needs of the second, third, and subsequent distribution networks.

[0089] It is particularly important to note that due to the limited total power supply of the machine, a power supply bottleneck may occur when dealing with multiple distribution networks. Specifically, all energy storage modules may be operational, or the remaining standby modules may be insufficient to meet the power demand of the next distribution network. In this case, the present invention specifically marks the corresponding new distribution network as a saturated network and sets the main control module to saturated power supply mode to indicate the current status.

[0090] This invention continuously monitors the status of multiple energy storage power supply modules in the active state. If at least one energy storage power supply module completes power supply to the distribution network, it will be immediately integrated with the remaining standby energy storage power supply modules to form a system capable of meeting the full charging needs of the next distribution network.

[0091] This invention designs a saturation description state. By monitoring the state value of the energy storage power supply module in real time, it rationally allocates the remaining standby energy storage power supply modules to ensure that resources are immediately integrated to meet the power transmission needs of the distribution network once any energy storage power supply module in an active state transitions to a standby state. This invention's intelligent design avoids wasting the energy of the energy storage power supply module, achieves timely monitoring and timely action, and improves the operational stability of the distribution network.

[0092] Specifically, after marking the corresponding new distribution network as a saturated value network and setting the main control module to saturated power supply mode, the following are also included:

[0093] Set a first time point t0, where t0 is the corresponding time point for setting the main control module to saturated power supply mode;

[0094] Based on the main control module, the energy storage power supply module with the shortest time to switch to standby state among all active states is obtained, and the corresponding time period Δt1 to be switched is calculated.

[0095] The number of power supply requests corresponding to the saturation value of the power grid is obtained from the main control module, and the time period for filling the grid is Δt3.

[0096] Send the full charge time Δt1+Δt3 command to the saturated power grid, detect multiple power transmission interfaces connected to the main control module, and obtain new power supply requests;

[0097] Upon receiving a power supply request from the new power distribution network, a saturated power supply mode warning command and a waiting time Δt1+Δt3 command are sent to the charging interface corresponding to the power supply request from the new power distribution network.

[0098] In saturated power supply mode:

[0099] The transition time from the energy storage power supply module to the standby state is set as Δt1, and the transition time of the next shortest energy storage power supply module is set as Δt2.

[0100] Detect multiple charging ports connected to the main control module and obtain new power supply requests;

[0101] The time period for filling the power supply request quantity corresponding to the saturated grid is set to Δt3. The first new distribution network to be allocated after setting the saturated grid is set to the secondary saturated grid, and the time period for filling the corresponding power supply request quantity is set to Δt4.

[0102] If Δt3≤Δt4, after Δt1 ends, the main control module generates a power supply command to allocate the power output of the energy storage power supply module in the current standby state to the power transmission interface of the saturated grid.

[0103] If Δt3>Δt4 and Δt2>Δt1, after Δt1 ends, the main control module generates a power supply command to allocate the power output of the energy storage power supply module in the current standby state to the power transmission interface of the saturated grid.

[0104] If Δt3 > Δt4 and Δt2 = Δt1, directly allocate the power output of any energy storage power supply module that meets the grid power supply request quantity of the subsaturation value in any standby state at the current time to the corresponding transmission interface.

[0105] Example 4

[0106] To better understand the technical solution of this invention, another embodiment is provided. Specifically, the time required to fully charge the saturated power grid is calculated as Δt3, and the time period corresponding to the energy storage power supply module that transitions to standby mode in the shortest time among all active states in the current saturated power supply mode is calculated as Δt1; Δt1 + Δt3 indicates the shortest time required for the new distribution network to be fully charged under saturated conditions.

[0107] Furthermore, this invention fully considers power transmission requirements. When the charging time Δt3 of the saturated grid is less than or equal to Δt4 of the sub-saturated grid, the sub-saturated grid needs to patiently wait for the saturated grid to complete charging. If Δt3 > Δt4 and Δt2 > Δt1, the sub-saturated grid also needs to patiently wait for the saturated grid to complete charging. If Δt3 > Δt4 and Δt2 = Δt1, the sub-saturated grid can be scheduled to charge first, while the charging time of the saturated grid remains unchanged, allowing the sub-saturated grid to complete charging ahead of schedule. Based on the charging scheme designed in this invention, the power transmission time of the distribution network is scientifically planned, saving waiting time and thus improving the market adaptability of this invention.

[0108] Specifically, the main control module performs status monitoring on multiple energy storage power supply modules:

[0109] If the total power supply of multiple energy storage power supply modules is detected to be lower than the second charging threshold, the multiple energy storage power supply modules are set to sleep mode based on the main control module; the detection of power supply requests from multiple charging interfaces connected to the main control module is stopped.

[0110] If any of the multiple energy storage power supply modules is found to have an abnormal output voltage, the connection with the energy storage power supply module with the abnormal output voltage is disconnected based on the main control module settings, and the external power supply operation of the energy storage power supply module with the abnormal output voltage is stopped.

[0111] More specifically, this invention also includes a second charging threshold, primarily used to detect the discharge status of the energy storage power supply module. When the total power supply of the machine falls below the second charging threshold, it indicates a severe shortage of stored power, requiring immediate cessation of external power supply. Simultaneously, this invention also considers health monitoring during the charging and discharging processes. Specifically, adverse conditions such as the quality of the energy storage power supply module materials and the impact of heat dissipation during charging and discharging may lead to module malfunctions or damage, resulting in power supply failures, damage to power distribution network equipment, and even disruption of grid operation. Based on this, this invention innovatively incorporates a status detection module to continuously monitor the health of the energy storage power supply module. This module is not shown in the figure, but those skilled in the art should understand and master this technology.

[0112] It should be noted that the electrical designs of the module status settings, warning notifications, and abnormal alarms in this invention are all existing conventional technologies. They are only used here to explain the technical solution of this invention, and therefore will not be described in detail in the embodiments. Those skilled in the art should be able to design this structure by combining existing technologies and common knowledge.

[0113] This invention also discloses a reverse power supply control system for a shared charging and swapping integrated energy storage machine, the system comprising the following:

[0114] The power supply detection module is used to detect multiple power transmission interfaces connected to the main control module and obtain power supply requests.

[0115] The battery power detection module is used to detect the total power supply energy of multiple energy storage power supply modules when a power supply request is received.

[0116] The first power output module is used to allocate the power output of the energy storage power supply modules that meet the power supply request to the power request charging interface;

[0117] The first power supply stop module is used to detect the amount of power supplied by the requested power supply charging interface. If the energy storage power supply module that meets the power supply request is fully charged, the current power supply operation ends.

[0118] The power grid detection module is used to continuously collect the voltage of the distribution network and obtain the voltage value of the distribution network.

[0119] The second power supply output module is used to switch the main control module to reverse power supply mode if the distribution network voltage is lower than the first charging threshold, continuously output the power supply energy of multiple energy storage power supply modules to the distribution network end, and stop detecting the power supply requests of multiple charging interfaces connected to the main control module.

[0120] The second power supply stop module detects the value of the distribution network voltage. If the distribution network voltage value is not lower than the first power stabilization threshold, it ends the current power supply operation and switches the main control module to positive power supply mode.

[0121] It should be noted that the reverse power supply control system for a shared charging and swapping energy storage integrated machine in another embodiment of the present invention uses the same technical means as the reverse power supply control method for a shared charging and swapping energy storage integrated machine, and therefore will not be described in detail here.

[0122] It should be noted that, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element. Furthermore, it should be noted that the scope of the methods and apparatuses in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

[0123] Through the above description of the embodiments, those skilled in the art can clearly understand that the methods of the above embodiments can be implemented by means of software plus necessary general-purpose hardware platforms. Of course, they can also be implemented by hardware, but in many cases the former is a better implementation method. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, can be embodied in the form of a computer software product. This computer software product is stored in a storage medium (such as ROM / RAM, magnetic disk, optical disk) and includes several instructions to cause a terminal (which may be a mobile phone, computer, server, or network device, etc.) to execute the methods described in the various embodiments of this application.

[0124] The embodiments of this application have been described above with reference to the accompanying drawings. However, this application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

[0125] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0126] Although embodiments of this application have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the claims and their equivalents.

Claims

1. A method for controlling the reverse power supply of energy storage in a shared charging and swapping integrated energy storage unit, characterized in that, The method includes the following: Detect multiple power transmission interfaces connected to the main control module and obtain power supply requests; Upon receiving a power supply request, the total power supply energy of multiple energy storage power supply modules is detected. If the number of modules meets the power supply request, a power supply command is generated to allocate the power supply to the requested power supply charging interface. The number of charging requests is detected at the charging interface. If the energy storage power supply module is fully charged to the requested number of power supply requests, the current power supply operation ends. Before detecting multiple power transmission interfaces connected to the main control module and obtaining power supply requests, the process also includes: Continuously collect distribution network voltage data to obtain distribution network voltage values; If the voltage of the power distribution network is lower than the first charging threshold, the main control module is switched to reverse power supply mode, continuously outputting the power supply energy of multiple energy storage power supply modules to the power distribution network, and stopping the detection of power supply requests from multiple charging interfaces connected to the main control module. The voltage value of the distribution network is detected. If the voltage value of the distribution network is not lower than the first voltage stabilization threshold, the current power supply operation is terminated and the main control module is switched to positive power supply mode. After switching the main control module to reverse power supply mode, generating a power supply command, and allocating the required number of energy storage power supply modules to the requested power supply charging interface to output power: Detect multiple power transmission interfaces connected to the main control module and obtain power supply requests; If a power supply request from a new distribution network is received, the total power supply energy of multiple energy storage power supply modules (excluding those marked as active) is detected. If the total power supply energy meets the number of power supply requests from the new distribution network, a power supply command is generated to allocate the energy storage power supply modules that meet the number of power supply requests from the distribution network to the requested power supply charging interface to output power. Repeat the above operations of obtaining the power supply request of the new distribution network and allocating energy storage power supply modules that meet the number of power supply requests of the new distribution network until the total power supply energy of all energy storage power supply modules in standby state cannot meet the number of power supply requests of the first new distribution network to be allocated. Mark the corresponding new distribution network as a saturated value network and set the main control module to saturated power supply mode. The system continuously monitors the status of all energy storage power supply modules marked as active. If any active module changes to standby mode and the total power supply of all other standby energy storage power supply modules exceeds the saturation value of the power grid, the system obtains the power supply request interface of the saturation value power grid, generates a power supply command, and allocates the power output of the standby energy storage power supply modules that meet the power supply request of the distribution network to the power transmission interface of the saturation value power grid.

2. The energy storage reverse power supply control method for a shared charging and swapping integrated energy storage machine according to claim 1, characterized in that, After switching the main control module to reverse power supply mode, when allocating the required number of energy storage power supply modules to the power supply charging interface to output power, the following steps are also included: Set all energy storage power supply modules participating in the current power supply request to be active; Stop all active energy storage power supply modules from receiving power supply commands except for the current charging interface; The power supply quantity of the requested power charging interface is detected. If the energy storage power supply module is fully charged to the requested power supply quantity, the current power supply operation ends. Set all energy storage power supply modules that are not currently participating in the power supply request to standby mode and continuously monitor for power supply commands.

3. The energy storage reverse power supply control method for a shared charging and swapping integrated energy storage machine according to claim 1, characterized in that, After marking the corresponding new distribution network as a saturated value network and setting the main control module to saturated power supply mode, the following are also included: Set a first time point t0, where t0 is the corresponding time point for setting the main control module to saturated power supply mode; Based on the main control module, the energy storage power supply module with the shortest transition time to standby state among all active states is obtained, and the corresponding transition time period Δt1 is calculated. The number of power supply requests corresponding to the saturation value of the power grid is obtained from the main control module, and the time period for filling the grid is Δt3. Send the full charge time Δt1+Δt3 command to the saturated power grid, detect multiple power transmission interfaces connected to the main control module, and obtain new power supply requests; Upon receiving a power supply request from the new power distribution network, a saturated power supply mode warning command and a waiting time Δt1+Δt3 command are sent to the charging interface corresponding to the power supply request from the new power distribution network.

4. The energy storage reverse power supply control method for a shared charging and swapping integrated energy storage machine according to claim 1, characterized in that, In saturated power supply mode: The transition time from the active state to the standby state of the energy storage power supply module is set as Δt1, and the transition time of the second shortest energy storage power supply module is set as Δt2. Detect multiple charging ports connected to the main control module and obtain new power supply requests; The time period for filling the power supply request quantity corresponding to the saturated grid is set to Δt3. The first new distribution network to be allocated after setting the saturated grid is set to the secondary saturated grid, and the time period for filling the corresponding power supply request quantity is set to Δt4. If Δt3≤Δt4, after Δt1 ends, the main control module generates a power supply command to allocate the power output of the energy storage power supply module in the current standby state to the power transmission interface of the saturated grid. If Δt3>Δt4 and Δt2>Δt1, after Δt1 ends, the main control module generates a power supply command to allocate the power output of the energy storage power supply module in the current standby state to the power transmission interface of the saturated grid. If Δt3 > Δt4 and Δt2 = Δt1, directly allocate the power supply of any energy storage power supply module that meets the grid power supply request quantity of the subsaturation value in all standby states at the current time to the corresponding transmission interface.

5. The energy storage reverse power supply control method for a shared charging and swapping integrated energy storage machine according to claim 4, characterized in that, Status monitoring of multiple energy storage power supply modules is performed based on the main control module: If the total power supply of multiple energy storage power supply modules is detected to be lower than the second charging threshold, the multiple energy storage power supply modules are set to sleep mode based on the main control module; the detection of power supply requests from multiple charging interfaces connected to the main control module is stopped. If any of the multiple energy storage power supply modules is found to have an abnormal output voltage, the connection with the energy storage power supply module with the abnormal output voltage is disconnected based on the main control module settings, and the external power supply operation of the energy storage power supply module with the abnormal output voltage is stopped.

6. A reverse power supply control system for a shared charging and swapping integrated energy storage machine, characterized in that, The system is applied to the energy storage reverse power supply control method of a shared charging and swapping energy storage integrated machine according to any one of claims 1-5, and the system includes the following: The power supply detection module is used to detect multiple power transmission interfaces connected to the main control module and obtain power supply requests. The battery power detection module is used to detect the total power supply energy of multiple energy storage power supply modules when a power supply request is received. The first power output module is used to allocate the power output of the energy storage power supply modules that meet the power supply request to the power request charging interface; The first power supply stop module is used to detect the amount of power supplied by the requested power supply charging interface. If the energy storage power supply module that meets the power supply request is fully charged, the current power supply operation ends.

7. The energy storage reverse power supply control system for a shared charging and swapping integrated energy storage machine according to claim 6, characterized in that, The system also includes: The power grid detection module is used to continuously collect the voltage of the distribution network and obtain the voltage value of the distribution network. The second power supply output module is used to switch the main control module to reverse power supply mode if the distribution network voltage is lower than the first charging threshold, continuously output the power supply energy of multiple energy storage power supply modules to the distribution network end, and stop detecting the power supply requests of multiple charging interfaces connected to the main control module. The second power supply stop module detects the value of the distribution network voltage. If the distribution network voltage value is not lower than the first power stabilization threshold, it ends the current power supply operation and switches the main control module to positive power supply mode.

8. A computer-readable storage medium for storing computer programs or code, characterized in that, When the computer program or code is executed by the processor, the energy storage reverse power supply control method of the shared charging and swapping energy storage integrated machine as described in any one of claims 1 to 5 is implemented.

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