New energy equipment charging management method supporting multi-gun simultaneous charging and coordination equipment

Abstract

The invention relates to a new energy equipment charging management method and coordination equipment supporting multi-gun simultaneous charging, and the method comprises the steps: receiving a multi-pile simultaneous charging request of a user, and determining all target charging piles selected by the user according to the multi-pile simultaneous charging request; a virtual logic entity of the simulation pile is established, and the simulation pile obtains the maximum charging power of the new energy equipment through connection between the target charging pile and the new energy equipment; the simulation pile performs coordinated distribution of charging power for each target charging pile according to the maximum charging power, and simulates information interaction between the single pile and the EMS; the simulation pile virtual logic entity is established, power distribution of the target charging piles is coordinated, multiple piles are dispatched in a unified mode, original single-pile single-gun hardware does not need to be transformed, and multi-pile cooperative charging is achieved at low cost; any number of pile lines in the station can be flexibly combined, and the fixed matching limitation is broken; and meanwhile, an upper platform is disguised as single-pile interaction, the system is compatible with an existing EMS system, the system is suitable for various single-BMS multi-charging-port equipment, the charging efficiency is improved, and the heat management risk is dispersed.

Description

Technical Field

[0001] The present invention relates to the field of new energy charging management, and particularly to a charging management method and a coordination device for new energy devices supporting multi-gun simultaneous charging. Background Art

[0002] With the popularization and promotion of electric vehicles, users' requirements for charging time are getting shorter, which will lead to a large demand for high-power charging devices. The charging current and power of high-power charging devices are relatively large, which will cause the temperature of the battery pack to rise too fast, resulting in a reduction in the service life of the battery and an increase in the design cost and difficulty of the charger. To address this problem, many current heavy trucks, logistics vehicles, buses, and even electric ships, which require large-capacity batteries, mostly use multi-charging-port devices for simultaneous charging, shortening the charging duration while also reducing the single-port thermal management risk and cost.

[0003] For such charging, in order not to increase additional costs, the battery devices mostly use a single BMS system architecture and only perform sub-PACK management on the main charging circuit to save costs. Therefore, to quickly charge the battery, the charging device side needs to coordinate the output of multiple charging guns.

[0004] Therefore, a charging method is needed to achieve coordinated support for multi-gun simultaneous charging. Summary of the Invention

[0005] The technical problem to be solved by the present invention is: to provide a charging management method and a coordination device for new energy devices supporting multi-gun simultaneous charging, which support multi-gun coordinated simultaneous charging of single BMS multi-charging-port devices.

[0006] To solve the above technical problem, the technical solution adopted by the present invention is: A charging management method for new energy devices supporting multi-gun simultaneous charging, comprising the steps of: S1. Receive a multi-pile simultaneous charging request from a user, and determine all target charging piles selected by the user according to the multi-pile simultaneous charging request; S2. Establish a virtual logical entity of a simulated pile, and the simulated pile obtains the maximum charging power of the new energy device through the connection between the target charging pile and the new energy device; S3. The simulated pile coordinates and distributes the charging power for each of the target charging piles according to the maximum charging power, and simulates the information interaction between a single pile and the EMS.

[0007] To solve the above technical problem, the technical solution adopted by the present invention is: A coordination device, comprising a processor, a memory, and a computer program stored in the memory and executable on the processor. When the processor executes the computer program, the following steps are implemented: S1. Receive the multi-pile simultaneous charging request from the user, and determine all the target charging piles selected by the user according to the multi-pile simultaneous charging request; S2. Establish a virtual logical entity of a simulated pile. The simulated pile is connected to the new energy device through the target charging pile, and obtain the maximum charging power of the new energy device; S3. The simulated pile coordinates the distribution of the charging power for each of the target charging piles according to the maximum charging power, and simulates the information interaction between a single pile and the EMS.

[0008] The beneficial effects of the present invention are as follows: A charging management method and a coordination device for new energy devices supporting multi-gun simultaneous charging of the present invention establish a virtual logical entity of a simulated pile, coordinate the power distribution of target charging piles, uniformly dispatch multiple piles, and there is no need to transform the original single-pile single-gun hardware, and multi-pile collaborative charging is realized at low cost; any number of pile lines in the station can be flexibly combined, breaking the fixed matching limit; at the same time, it disguises as a single pile to interact with the upper-layer platform, is compatible with the existing EMS system, is applicable to various single-BMS multi-charging port devices, improves the charging efficiency and disperses the thermal management risk. Description of the Drawings

[0009] Figure 1 It is a schematic flow chart of a charging management method for new energy devices supporting multi-gun simultaneous charging according to an embodiment of the present invention; Figure 2 It is a schematic timing diagram of double-gun collaborative charging of a charging management method for new energy devices supporting multi-gun simultaneous charging according to an embodiment of the present invention; Figure 3 It is a schematic architecture diagram of double-gun collaborative charging of a charging management method for new energy devices supporting multi-gun simultaneous charging according to an embodiment of the present invention; Figure 4 It is a schematic connection diagram of triple-gun collaborative charging of a charging management method for new energy devices supporting multi-gun simultaneous charging according to an embodiment of the present invention; Figure 5 It is a schematic structural diagram of a coordination device according to an embodiment of the present invention; Label Description: 1. A coordination device; 2. A processor; 3. A memory. Detailed Embodiments

[0010] To describe in detail the technical content, the achieved objectives and the effects of the present invention, the following is described in conjunction with the embodiments and in coordination with the drawings.

[0011] Please refer to Figures 1 to 4 , A charging management method for new energy devices supporting multi-gun simultaneous charging, including the steps: S1. Receive the multi-pile simultaneous charging request from the user, and determine all the target charging piles selected by the user according to the multi-pile simultaneous charging request; S2. Establish a virtual logical entity of the simulated pile. The simulated pile obtains the maximum charging power of the new energy device through the connection between the target charging pile and the new energy device; S3. The simulated pile coordinates and distributes the charging power for each of the target charging piles according to the maximum charging power, and simulates the information interaction between a single pile and the EMS.

[0012] As can be seen from the above description, the beneficial effects of the present invention are as follows: A charging management method for new energy devices supporting multi-gun simultaneous charging according to the present invention establishes a virtual logical entity of the simulated pile, coordinates the power distribution of the target charging piles, and uniformly schedules multiple piles. There is no need to transform the original single-pile single-gun hardware, and multi-pile collaborative charging can be achieved at low cost; any number of pile lines in the station can be flexibly combined, breaking the fixed matching limit; at the same time, it disguises as a single pile to interact with the upper-layer platform, is compatible with the existing EMS system, is applicable to various single-BMS multi-charging-port devices, improves the charging efficiency and disperses the thermal management risk.

[0013] Further, determining all the target charging piles selected by the user according to the multi-pile simultaneous charging request includes: Determining the main charging pile selected by the user according to the multi-pile simultaneous charging request; In step S2, the simulated pile obtains the maximum charging power of the new energy device through the connection between the target charging pile and the new energy device, including: The simulated pile establishes a communication connection with the new energy device through the main charging pile, and obtains the maximum charging power of the new energy device through the established communication connection.

[0014] As can be seen from the above description, it is clear that the main pile is responsible for communicating and interacting with the vehicle BMS (such as handshaking and parameter acquisition), and the auxiliary pile only undertakes power transmission, avoiding the complexity of simultaneous communication of multiple ports; adapting to the single-BMS system architecture, no additional communication interface is required at the vehicle end, reducing the transformation cost; the main pile uniformly collects the device requirements, providing an accurate basis for the power distribution of the simulated pile, and ensuring the consistency and reliability of multi-pile collaboration.

[0015] Further, between step S2 and step S3, there is also a step: S21. The simulated pile conducts insulation confirmation on the main charging pile, obtains the insulation confirmation result, and enters step S3 only when the insulation detection passes; The insulation confirmation result is initiated by the main charging pile to the new energy device, and the new energy device generates it according to the line insulation detection with each of the target charging piles; The target charging piles include the main charging pile and other charging piles.

[0016] As described above, the main pile is used to perform insulation detection on all target charging pile lines to ensure the safety of the charging circuit and prevent risks such as electric leakage and short circuit. The detection results are generated by the vehicle and fed back to the main pile, meeting the requirements of the national standard charging process. Hardware fault hidden dangers are eliminated in advance to avoid interruption during charging due to insulation problems, ensuring the safety of equipment and personnel and improving the system stability.

[0017] Further, it further includes the steps: S4. The simulation pile receives a power reduction request of a certain target charging pile, determines the power reduction amount according to the power reduction request, and adjusts the charging power of the other target charging piles that have not initiated the power reduction request according to the power reduction amount.

[0018] As described above, when a certain pile needs to reduce its rating due to factors such as temperature and faults, the simulation pile automatically adjusts the output power of the other piles to make up for the gap, avoiding charging interruption; dynamically balancing the loads of multiple piles, while giving priority to meeting the vehicle power demand, extending the service life of the pile body; breaking the limitation of the traditional fixed - matching pile that "a single - pile fault means charging stops", improving the utilization rate of the station equipment and the user experience.

[0019] Further, step S3 includes: The simulation pile evenly distributes the maximum charging power to all the target charging piles according to the maximum charging power, and the target charging piles supply power to the new - energy equipment according to the allocated power.

[0020] As described above, in the scenario where the pile capabilities are the same, the equal - distribution strategy simplifies the power - distribution logic, improves the scheduling efficiency; avoids the overheating risk caused by single - pile overload, balances the working loads of multiple piles, and extends the overall service life of the equipment; takes into account the vehicle's rapid charging demand and the balance of the pile performance, adapts to the stable charging demand of large - capacity equipment, and reduces the control complexity.

[0021] Please refer to Figure 5 , a coordination device, including a processor, a memory, and a computer program stored in the memory and executable on the processor. When the processor executes the computer program, the following steps are implemented: S1. Receive the multi - pile simultaneous charging request of the user, and determine all the target charging piles selected by the user according to the multi - pile simultaneous charging request; S2. Establish a virtual logical entity of the simulation pile. The simulation pile obtains the maximum charging power of the new - energy equipment through the connection between the target charging piles and the new - energy equipment; S3. The simulation pile coordinately distributes the charging power for each target charging pile according to the maximum charging power, and simulates the information interaction between a single pile and the EMS.

[0022] As can be seen from the above description, the beneficial effects of the present invention are as follows: A coordination device of the present invention establishes a virtual logical entity of a simulated pile, coordinates the power distribution of target charging piles, uniformly schedules multiple piles, and does not require modification of the original single-pile single-gun hardware, achieving multi-pile collaborative charging at low cost; it can flexibly combine any number of pile lines in the station, breaking the limitation of fixed matching; at the same time, it disguises itself as a single pile to interact with the upper platform, is compatible with the existing EMS system, is applicable to various single-BMS multi-charging-port devices, improves the charging efficiency and disperses the thermal management risk.

[0023] Further, determining all target charging piles selected by the user according to the multi-pile simultaneous charging request includes: Determining the main charging pile selected by the user according to the multi-pile simultaneous charging request; In step S2, the simulated pile obtains the maximum charging power of the new energy device through the connection between the target charging pile and the new energy device, including: The simulated pile establishes a communication connection with the new energy device through the main charging pile, and obtains the maximum charging power of the new energy device through the established communication connection.

[0024] As can be seen from the above description, it is clear that the main pile is responsible for communicating and interacting with the vehicle BMS (such as handshaking and parameter acquisition), and the auxiliary pile only undertakes power transmission, avoiding the complexity of simultaneous communication of multiple ports; it adapts to the single-BMS system architecture, and no additional communication interface is required at the vehicle end, reducing the transformation cost; the main pile uniformly collects the device requirements, providing an accurate basis for the power distribution of the simulated pile, ensuring the consistency and reliability of multi-pile coordination.

[0025] Further, between step S2 and step S3, there is also a step: S21. The simulated pile performs insulation confirmation on the main charging pile, obtains the insulation confirmation result, and enters step S3 only when the insulation detection passes; The insulation confirmation result is initiated by the main charging pile to the new energy device, and the new energy device generates it according to the line insulation detection with each target charging pile; The target charging pile includes the main charging pile and other charging piles.

[0026] As can be seen from the above description, the main pile performs insulation detection on all target charging pile lines to ensure the safety of the charging circuit, prevent risks such as electric leakage and short circuit; the detection result is generated by the vehicle and fed back to the main pile, meeting the requirements of the national standard charging process; hardware fault hidden dangers are eliminated in advance, avoiding interruption during charging due to insulation problems, ensuring the safety of equipment and personnel, and improving the system stability.

[0027] Further, there is also a step: S4. The simulation pile receives a power reduction request from a certain target charging pile, determines the power reduction amount according to the power reduction request, and adjusts the charging power of the other target charging piles that have not initiated the power reduction request according to the power reduction amount.

[0028] As can be seen from the above description, when a certain pile needs to reduce its rating due to factors such as temperature and faults, the simulation pile automatically adjusts the output power of the other piles to make up for the gap, avoiding charging interruption; dynamically balancing the loads of multiple piles, while giving priority to meeting the power requirements of vehicles, extending the service life of the pile body; breaking the limitation of the traditional fixed - matching pile that "charging stops immediately when a single pile fails", improving the utilization rate of station equipment and user experience.

[0029] Further, step S3 includes: The simulation pile evenly distributes the maximum charging power to all the target charging piles according to the maximum charging power, and the target charging piles supply power to the new energy equipment according to the allocated power.

[0030] As can be seen from the above description, in the scenario where the pile capabilities are the same, the equal - distribution strategy simplifies the power distribution logic, improves the scheduling efficiency; avoids the overheating risk caused by single - pile overload, balances the workloads of multiple piles, and extends the overall service life of the equipment; takes into account the balance between the rapid charging needs of vehicles and the pile performance, adapts to the stable charging needs of large - capacity equipment, and reduces the control complexity.

[0031] A charging management method and coordination device for new energy equipment supporting multi - gun simultaneous charging of the present invention are applicable to the adaptation of multi - pile simultaneous charging in a charging station, and are particularly applicable to the adaptation of the charging requirements of new energy equipment with a single BMS and multiple charging ports.

[0032] Please refer to Figures 1 to 4 , the first embodiment of the present invention is: A charging management method for new energy equipment supporting multi - gun simultaneous charging, including the steps: S1. Receive a multi - pile simultaneous charging request from a user, and determine all the target charging piles selected by the user according to the multi - pile simultaneous charging request; Determining all the target charging piles selected by the user according to the multi - pile simultaneous charging request includes: Determine the main charging pile selected by the user according to the multi - pile simultaneous charging request; In this embodiment, the user selects a charging pile and a charging mode according to the operation rules of the charging station. The user can connect the charging gun according to the support design of their own new energy equipment, such as Figure 4As shown, a device with three charging ports can connect to a maximum of three charging piles. The user needs to report the selected charging piles to the system. For example, in the case of scanning code for charging, after the user scans the code of charging pile A with a mobile device, the display options of the mobile device include the option of simultaneous charging of multiple piles. According to the user's selection, the charging mode is confirmed: if the option of simultaneous charging of multiple piles is not selected, it is the original operating mode and normal charging. If the option of simultaneous charging of multiple piles is selected, a simulated pile is created, and at the same time, charging pile A is set as the main pile, and the user is prompted to select the cooperative charging piles (pile numbers).

[0033] According to the information submitted by the user through the mobile terminal, all the selected charging piles by the user, that is, the target charging piles, are confirmed. In this embodiment, for the sake of simplicity of description, it is illustrated by taking the user's selection of two (one main charging pile A and the cooperative charging pile B) or three charging piles (one main charging pile A and the cooperative charging piles B and C) as examples. In other equivalent embodiments, the user can select more charging piles for cooperative charging.

[0034] S2. Establish a virtual logical entity of the simulated pile. The simulated pile obtains the maximum charging power of the new energy device through the connection between the target charging pile and the new energy device; The obtaining of the maximum charging power of the new energy device by the simulated pile through the connection between the target charging pile and the new energy device in step S2 includes: The simulated pile establishes a communication connection with the new energy device through the main charging pile, and obtains the maximum charging power of the new energy device through the established communication connection.

[0035] In this embodiment, reference can be made to Figure 2 and Figure 3 , and taking the example of double-gun cooperation for illustration. A simulated pile is constructed. While the main gun of charging pile A transfers electric energy to the vehicle, message interaction is carried out, and information is reported to the simulated pile at the same time. The simulated pile determines the maximum demand power of the vehicle (only as an example, it can be other new energy devices in other equivalent embodiments) according to the information reported by charging pile A.

[0036] S21. The simulated pile conducts insulation confirmation on the main charging pile, obtains the insulation confirmation result, and only enters step S3 when the insulation detection passes; The insulation confirmation result is initiated by the main charging pile to the new energy device, and is generated by the new energy device according to the line insulation detection with each target charging pile; The target charging pile includes the main charging pile and other charging piles.

[0037] In this embodiment, reference can be made to Figure 2The timing example diagram of dual-gun collaborative charging shown requires confirmation of line insulation detection before the simulation pile performs power distribution and enables the charging pile. The main charging pile (Charging Pile A) shakes hands with the new energy device to perform insulation line detection. At the same time, the new energy device performs insulation line detection with the remaining charging piles (such as Charging Pile B), and the main charging pile feeds back the insulation detection results of the new energy device and each charging pile to the simulation pile.

[0038] After the insulation detection is completed, proceed to the subsequent steps.

[0039] S3. The simulation pile coordinates and distributes the charging power for each of the target charging piles according to the maximum charging power, and simulates the information interaction between a single pile and the EMS.

[0040] Step S3 includes: The simulation pile evenly distributes the maximum charging power to all the target charging piles according to the maximum charging power, and the target charging piles supply power to the new energy device according to the allocated power.

[0041] In this embodiment, the simulation pile divides the power evenly according to the maximum power demand of the vehicle when the capabilities of each pile are the same. When the capabilities of each pile are different, without exceeding the safety of each charging port of the vehicle, it tries to meet the charging power of the vehicle as much as possible.

[0042] Each charging pile provides power for the new energy device in real time according to the charging power setting issued by the simulation pile, and reports its own real-time charging data to the simulation pile.

[0043] Under normal circumstances, while ensuring the charging requirements of the vehicle, taking into account the balance of the service life and performance of the pile side, etc., generally, the power demand is evenly divided among multiple piles.

[0044] The simulation pile summarizes the real-time charging information of each pile and reports it to the platform for subsequent settlement.

[0045] S4. The simulation pile receives a power reduction request from a certain target charging pile, determines the power reduction amount according to the power reduction request, and adjusts the charging power of the other target charging piles that have not initiated the power reduction request according to the power reduction amount.

[0046] In this embodiment, due to the existence of other strategies or the regulation strategies of the charging pile itself, such as a certain pile in collaborative operation that needs to reduce its output due to factors such as gun temperature and internal environment temperature of the pile, by reporting the current maximum output capacity of the simulation pile, after the simulation pile learns about it, it can adjust the other piles in collaborative operation to make up for the missing power to maximize the satisfaction of the vehicle's needs.

[0047] In this embodiment, for example, in the scenario of three-gun coordination, each port of the vehicle complies with the national standard, with a maximum of 250A, and the maximum demand of the vehicle is 360A. The A pile, B pile, and C pile all have a pile capacity of 180kw and a maximum current of 250A. Then, according to the real-time demand of the vehicle obtained from the A pile, the simulation pile evenly distributes the current to each pile.

[0048] If at this time, due to temperature or other factors, the B pile and C pile report that the power needs to be reduced, the simulation pile will then reduce the output settings of the B pile and C pile and instead increase the output settings of the A pile.

[0049] Please refer to Figure 5 , Embodiment 2 of the present invention is: A coordination device 1 includes a processor 2, a memory 3, and a computer program stored in the memory 3 and executable on the processor 2. When the processor 2 executes the computer program, it implements the steps in a new energy device charging management method for supporting multi-gun simultaneous charging in the above-mentioned Embodiment 1.

[0050] In summary, the new energy device charging management method and coordination device provided by the present invention establish a virtual logic entity of a simulation pile, coordinate the power distribution of target charging piles, uniformly dispatch multiple piles, and do not require modification of the original single-pile single-gun hardware, achieving multi-pile coordinated charging at low cost; it can flexibly combine any number of pile lines in the station, breaking the fixed matching limit; at the same time, it disguises as a single pile to interact with the upper platform, is compatible with the existing EMS system, is applicable to various single-BMS multi-charging-port devices, improves charging efficiency and disperses the thermal management risk.

[0051] By adding a simulation pile coordinator, the present invention can quickly implement the original fast-charging pile station with single-pile single-gun charging piles without modifying the communication with the upper platform or EMS, and complete the simultaneous charging of two guns for the same vehicle through coordination and cooperation [for a vehicle with a single BMS system, charging requires coordinated power distribution of two charging ports]. There is no fixed combination of equipment, and the pile line combination in the field can be arbitrarily set for coordination. Especially when a certain device in the original fixed combination of pile lines is under maintenance due to a fault, the pain point of being unable to achieve multi-gun simultaneous charging can be solved.

[0052] It can perform the upgrade transformation of the original fast-charging pile with the least amount of quick action, support the simultaneous charging of one vehicle with multiple piles, and is applicable to the use of customer groups such as heavy trucks, buses, and logistics vehicles in the original small car station for quick conversion. The basic single-pile single-gun hardware does not need to be changed, and the software adds the main and auxiliary modes; it is compatible with normal charging use and can be quickly switched.

[0053] The addition of the simulation pile coordinator can flexibly call multiple piles in the station to achieve two guns or four guns for one vehicle, etc.; in addition, the main and auxiliary modes can arbitrarily select piles, avoiding the fixed gun line positions, being more flexible, and can arbitrarily match piles when there are enough gun lines.

[0054] Applicable to single BMS interaction systems, but supports the application of devices with multiple guns charging simultaneously

multiple charging ports

[0055] There is no need to add additional high-cost modified water cooling and charging socket forms, with dispersed power input, simplifying control complexity.

[0056] The above are only embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent transformation made using the content of the specification and drawings of the present invention, or directly or indirectly applied in related technical fields, shall equally be included within the patent protection scope of the present invention.

Claims

1. A charging management method for new energy devices supporting multi-gun simultaneous charging, characterized in that, Including the steps: S1. Receive the multi-pile simultaneous charging request from the user, and determine all the target charging piles selected by the user according to the multi-pile simultaneous charging request; S2. Establish a virtual logical entity of the simulation pile. The simulation pile obtains the maximum charging power of the new energy device through the connection between the target charging pile and the new energy device; S3. The simulation pile coordinates and distributes the charging power for each of the target charging piles according to the maximum charging power, and simulates the information interaction between a single pile and the EMS.

2. The charging management method of a new energy device supporting multi-gun simultaneous charging according to claim 1, characterized in that Determining all the target charging piles selected by the user according to the multi-pile simultaneous charging request includes: Determining the main charging pile selected by the user according to the multi-pile simultaneous charging request; In step S2, the simulation pile obtains the maximum charging power of the new energy device through the connection between the target charging pile and the new energy device, including: The simulation pile establishes a communication connection with the new energy device through the main charging pile, and obtains the maximum charging power of the new energy device through the established communication connection.

3. A charging management method for a new energy device supporting multi-gun simultaneous charging according to claim 2, characterized in that, Between step S2 and step S3, there is also a step: S21. The simulation pile performs insulation confirmation on the main charging pile, obtains the insulation confirmation result, and enters step S3 only when the insulation detection passes; The insulation confirmation result is initiated by the main charging pile to the new energy device, and the new energy device generates it according to the line insulation detection with each target charging pile; The target charging pile includes the main charging pile and other charging piles.

4. A charging management method for a new energy device supporting multi-gun simultaneous charging according to claim 1, characterized in that, There is also a step: S4. The simulation pile receives a power reduction request from a certain target charging pile, determines the power reduction amount according to the power reduction request, and adjusts the charging power of the remaining target charging piles that have not initiated the power reduction request according to the power reduction amount.

5. A charging management method for a new energy device supporting multi-gun simultaneous charging according to claim 1, characterized in that, Step S3 includes: The simulation pile evenly distributes the maximum charging power to all the target charging piles according to the maximum charging power, and the target charging pile supplies power to the new energy device according to the allocated power.

6. A coordination device, comprising a processor, a memory, and a computer program stored in the memory and executable on the processor, characterized in that, When the processor executes the computer program, the following steps are implemented: S1. Receive the multi-pile simultaneous charging request from the user, and determine all the target charging piles selected by the user according to the multi-pile simultaneous charging request; S2. Establish a virtual logical entity of the simulation pile. The simulation pile obtains the maximum charging power of the new energy device through the connection between the target charging pile and the new energy device; S3. The simulation pile coordinates and distributes the charging power for each of the target charging piles according to the maximum charging power, and simulates the information interaction between a single pile and the EMS.

7. A coordination device according to claim 6, wherein, Determining all the target charging piles selected by the user according to the multi-pile simultaneous charging request includes: Determining the main charging pile selected by the user according to the multi-pile simultaneous charging request; In step S2, the simulation pile obtains the maximum charging power of the new energy device through the connection between the target charging pile and the new energy device, including: The simulation pile establishes a communication connection with the new energy device through the main charging pile, and obtains the maximum charging power of the new energy device through the established communication connection.

8. A coordination device according to claim 7, characterized in that, Between step S2 and step S3, there is also a step: S21. The simulation pile conducts insulation confirmation with the main charging pile, obtains the insulation confirmation result, and enters step S3 only when the insulation detection passes; The insulation confirmation result is initiated by the main charging pile to the new energy device, and the new energy device generates it based on the line insulation detection with each target charging pile; The target charging piles include the main charging pile and other charging piles.

9. A coordination device according to claim 6, wherein It further includes the step: S4. The simulation pile receives the power reduction request of a certain target charging pile, determines the power reduction amount according to the power reduction request, and adjusts the charging power of the remaining target charging piles that have not initiated the power reduction request according to the power reduction amount.

10. A coordination device according to claim 6, characterized in that, Step S3 includes: The simulation pile evenly distributes the maximum charging power to all the target charging piles according to the maximum charging power, and the target charging piles supply power to the new energy device according to the allocated power.

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