Mobile energy storage station charging control system and control method

Abstract

The application discloses a mobile energy storage station charging control system and a control method, and belongs to the technical field of charging control. The mobile energy storage station charging control system comprises a mobile energy storage unit, an input connection assembly connected between the mobile energy storage unit and an intermediate pile body, an output connection assembly connected between the intermediate pile body and a target vehicle, the intermediate pile body is used for receiving electric energy output by the mobile energy storage unit through an input power link and output charging electric energy to the target vehicle through an output power link, a connection assembly control unit is arranged in at least one of the input connection assembly and the output connection assembly, used for collecting connection assembly state data and communicating with the intermediate pile body, and a pile body master control unit is arranged in the intermediate pile body, used for performing charging control according to at least one of energy storage state data of the mobile energy storage unit, connection assembly state data and charging demand data of the target vehicle. The application aims to improve the controllability of the charging process of the mobile energy storage station.

Description

Technical Field

[0001] This application relates to the field of charging control technology, and in particular to a charging control system and control method for a mobile energy storage station. Background Technology

[0002] Mobile energy storage stations can provide emergency power replenishment when the target vehicle cannot reach a fixed charging facility. Existing mobile energy storage charging equipment typically includes an energy storage device, a charging pile, and a charging connector that connects to the target vehicle. The energy storage device outputs charging power to the target vehicle through the charging pile.

[0003] However, in mobile energy storage charging equipment, the energy storage device, charging pile, connecting components, and target vehicle typically only form a unidirectional power supply link. The charging pile mainly controls its output based on the vehicle's charging demand, lacking comprehensive judgment and coordinated control of the energy storage status, connecting component status, and vehicle charging demand. When the output capacity of the mobile energy storage unit changes, the connecting components malfunction, or the target vehicle's charging demand changes, the system struggles to adjust its charging strategy in a timely manner. Summary of the Invention

[0004] This invention provides a charging control system and method for mobile energy storage stations, aiming to improve the controllability of the charging process of mobile energy storage stations.

[0005] To achieve the above objectives, in a first aspect, a mobile energy storage station charging control system is provided, comprising:

[0006] Mobile energy storage units;

[0007] An input connection component is connected between the mobile energy storage unit and the intermediate pile to form an input power link for energy storage entering the pile.

[0008] An output connection component is connected between the intermediate pile and the target vehicle to form an output power link for vehicle charging.

[0009] The intermediate pile body is used to receive electrical energy output by the mobile energy storage unit through the input power link, and to output charging energy to the target vehicle through the output power link;

[0010] A connection component control unit is disposed in at least one of the input connection component and the output connection component, and the connection component control unit is used to collect connection component status data and communicate with the intermediate pile.

[0011] The main control unit of the pile body is disposed in the intermediate pile body and is communicatively connected to the mobile energy storage unit, the connection component control unit and the target vehicle. The main control unit of the pile body is used to perform charging control according to at least one of the energy storage status data of the mobile energy storage unit, the status data of the connection component and the charging demand data of the target vehicle.

[0012] In some embodiments, the input connection component is an input dual-head gun, which includes a first head for connecting to the mobile energy storage unit and a second head for connecting to the intermediate pile.

[0013] The output connection assembly is a dual-headed output gun, which includes a third gun head for connecting to the intermediate pile and a fourth gun head for connecting to the target vehicle.

[0014] In some embodiments, the connection component control unit includes a controller, and a status acquisition module, a clock module, a local storage module, and a communication module that are communicatively connected to the controller;

[0015] The status acquisition module is used to collect status data of the connection components and send it to the controller;

[0016] The controller is used to receive the status data of the connection component and compare it with a preset abnormal threshold, and trigger the generation of an abnormal message if the status data of the connection component is greater than the preset abnormal threshold.

[0017] The local storage module is used to store logs related to the abnormal message;

[0018] The clock module is used to provide timestamps for the logs;

[0019] The communication module is used to send at least one of the connection component status data and the abnormal message to the pile main control unit.

[0020] In some embodiments, the status acquisition module includes at least one of a temperature acquisition module and a drop impact sensing module;

[0021] The status data of the connection component includes at least one of temperature data and impact data;

[0022] The abnormal message includes at least one of over-temperature message and impact message.

[0023] In some embodiments, the pile body main control unit is further used for:

[0024] Determine the actual output power of the pile side based on the pile side output data;

[0025] The vehicle's requested power is determined based on the target vehicle's charging demand data;

[0026] The maximum output power on the energy storage side is determined based on the energy storage status data of the mobile energy storage unit;

[0027] In addition, the target output power is determined based on the vehicle's requested power, the energy storage side's maximum output power, and the connection component status data.

[0028] In some embodiments, the main control unit of the pile body is further configured to perform graded protection control based on the status data of the connection components, the energy storage status data, and the battery status data of the target vehicle; wherein:

[0029] If the status data of the connection component, the status data of the energy storage, and the status data of the battery meet the warning triggering conditions, a warning prompt and log recording will be triggered, and output power reduction control will be executed.

[0030] If the status data of the connection component, the status data of the energy storage, and the status data of the battery meet the fault protection conditions, a fault report is triggered and fault protection control is executed.

[0031] The power reduction control reduces at least one of the target output power and the actual output power at the pile side; the fault protection control includes output cut-off control.

[0032] In some embodiments, the pile main control unit is further configured to perform power closed-loop control based on the power deviation between the target output power and the actual output power at the pile side; wherein:

[0033] If the absolute value of the power deviation is greater than the percentage value of the target output power, the actual output power of the pile side is adjusted to correct the power deviation.

[0034] The absolute value of the power deviation after N consecutive correction cycles is detected as a percentage of the target output power, and it is still greater than the preset percentage threshold, where N is an integer and N≥2;

[0035] If the absolute value of the corrected power deviation as a percentage of the target output power is less than or equal to the preset percentage threshold, an early warning and log recording will be triggered.

[0036] If the absolute value of the corrected power deviation as a percentage of the target output power is still greater than the preset percentage threshold, a fault report is triggered and fault protection control is executed.

[0037] In some implementations, the pile master control unit is also used to preprocess the vehicle-side CAN messages from the target vehicle, and to perform protocol parsing and matching on the preprocessed intermediate messages according to its built-in protocol library, so as to enable communication between the mobile energy storage unit, the intermediate pile and the target vehicle.

[0038] In some implementations, the input power link corresponding to the input connection component is isolated from the output power link corresponding to the output connection component;

[0039] When either the input power link or the output power link fails, the pile main control unit maintains the availability of the normal power link.

[0040] Secondly, a mobile energy storage station charging control method is also proposed, applied to the mobile energy storage station charging control system described above, the control method comprising:

[0041] Establish an input power link between the mobile energy storage unit and the intermediate pile, and establish an output power link between the intermediate pile and the target vehicle;

[0042] Acquire the energy storage status data of the mobile energy storage unit, the connection component status data collected by the connection component control unit, and the charging demand data of the target vehicle;

[0043] A charging control strategy is determined based on at least one of the energy storage status data, the connection component status data, and the charging demand data, so as to control the intermediate pile to output charging energy to the target vehicle.

[0044] In some implementations, establishing the input power link and the output power link includes:

[0045] The mobile energy storage unit is connected to the first head of the dual-headed input gun, and the intermediate pile is connected to the second head of the dual-headed input gun to form an input power link for energy storage into the pile.

[0046] The intermediate pile is connected to the third head of the dual-headed output gun, and the target vehicle is connected to the fourth head of the dual-headed output gun to form an output power link for vehicle charging.

[0047] In some embodiments, the connection component control unit includes a controller, and a status acquisition module, a clock module, a local storage module, and a communication module communicatively connected to the controller; the control method further includes:

[0048] The status data of the connection component is collected through the status acquisition module;

[0049] The controller receives the status data of the connection component and compares the status data of the connection component with a preset abnormal threshold.

[0050] If the status data of the connection component is greater than the preset abnormal threshold, an abnormal message is generated;

[0051] Logs related to the abnormal message are stored in the local storage module.

[0052] The clock module provides a timestamp for the log;

[0053] The communication module sends at least one of the connection component status data and the abnormal message to the pile main control unit of the intermediate pile.

[0054] In some embodiments, the control method further includes:

[0055] The actual output power of the pile side is determined based on the pile side output data of the intermediate pile body;

[0056] The vehicle's requested power is determined based on the target vehicle's charging demand data;

[0057] The maximum output power on the energy storage side is determined based on the energy storage status data of the mobile energy storage unit;

[0058] The target output power is determined based on the vehicle's requested power, the energy storage side's maximum output power, and the connection component status data.

[0059] In some embodiments, the control method further includes: performing graded protection control based on the connection component status data, the energy storage status data, and the target vehicle's battery status data;

[0060] The implementation of hierarchical protection control includes:

[0061] If the status data of the connection component, the status data of the energy storage, and the status data of the battery meet the warning triggering conditions, a warning prompt and log recording will be triggered, and output power reduction control will be executed.

[0062] If the status data of the connection component, the status data of the energy storage, and the status data of the battery meet the fault protection conditions, a fault report is triggered and fault protection control is executed.

[0063] The power reduction control reduces at least one of the target output power and the actual output power at the pile side; the fault protection control includes output cut-off control.

[0064] In some embodiments, the control method further includes:

[0065] Based on the power deviation between the target output power and the actual output power at the pile side, power closed-loop control is executed;

[0066] The power closed-loop control includes:

[0067] If the absolute value of the power deviation is greater than the percentage value of the target output power, the actual output power of the pile side is adjusted to correct the power deviation.

[0068] The absolute value of the power deviation after N consecutive correction cycles is detected as a percentage of the target output power, and it is still greater than the preset percentage threshold, where N is an integer and N≥2;

[0069] If the absolute value of the corrected power deviation as a percentage of the target output power is less than or equal to the preset percentage threshold, an early warning and log recording will be triggered.

[0070] If the absolute value of the corrected power deviation as a percentage of the target output power is still greater than the preset percentage threshold, a fault report is triggered and fault protection control is executed.

[0071] Beneficial effects:

[0072] The mobile energy storage station charging control system of this application, by setting up a mobile energy storage unit, an intermediate pile, an input connection component, an output connection component, a connection component control unit, and a pile main control unit, enables the mobile energy storage unit to input electrical energy to the intermediate pile via the input connection component, and enables the intermediate pile to output charging energy to the target vehicle via the output connection component. Simultaneously, the connection component control unit collects connection component status data and communicates with the intermediate pile, allowing the pile main control unit to execute charging control based on at least one of the energy storage status data, connection component status data, and charging demand data. Therefore, compared to mobile energy storage charging devices that only perform unidirectional output control based on vehicle-side demand, this application can incorporate the energy storage-side status, the charging gun-side status, and the vehicle-side demand into a unified control process, improving the safety, stability, and controllability of the mobile energy storage station charging process. Attached Figure Description

[0073] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0074] Figure 1 A schematic diagram of the structure of a mobile energy storage station charging control system according to an exemplary embodiment of this application;

[0075] Figure 2 This is a schematic diagram of the module structure of the connection component control unit in an exemplary embodiment of this application;

[0076] Figure 3 This is a schematic diagram of a process for monitoring abnormal status of a connection component, as exemplarily implemented in this application.

[0077] Figure 4 A schematic diagram of the overall process of performing charging control in a mobile energy storage station, which is an exemplary embodiment of this application;

[0078] Figure 5 A schematic diagram illustrating the power scheduling process of the pile main control unit in an exemplary embodiment of this application;

[0079] Figure 6 This is a schematic diagram illustrating the log management and protocol conversion process of an exemplary embodiment of this application;

[0080] Figure 7 This is a flowchart illustrating a mobile energy storage station charging control method according to an exemplary embodiment of this application.

[0081] Explanation of icon numbers:

[0082] 10. Mobile energy storage unit; 20. Intermediate pile body; 30. Input connection assembly; 31. First nozzle; 32. Second nozzle; 40. Output connection assembly; 41. Third nozzle; 42. Fourth nozzle; 50. Connection assembly control unit; 60. Pile body main control unit.

[0083] The realization of the objectives, functional features and advantages of the embodiments of this application will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0084] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0085] Furthermore, descriptions involving "first," "second," etc., in the embodiments of this application are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. If the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed in this application.

[0086] As described in the background section, current high-speed emergency mobile energy storage and charging devices mostly adopt a traditional architecture with a unidirectional power link, centralized main control, and passive gun design. This architecture has not been deeply optimized for high-speed rescue scenarios, resulting in insufficient overall intelligence, reliability, and traceability, making it difficult to adapt to harsh working conditions and rapid maintenance requirements. Specifically, this manifests in the following aspects:

[0087] 1) System level: It adopts a unidirectional topology of energy storage-pile-vehicle, without bidirectional closed-loop scheduling capability, with a single mode and easy power interruption; CAN communication is only used for main control interaction, with no independent communication node at the gun end, resulting in long data links and poor reliability; data is centrally stored in the main control, without a distributed log system, and the field cannot quickly troubleshoot without the host computer.

[0088] 2) Hardware Level: The charging head is merely a conductive interface, lacking an independent control board and the ability to acquire status data such as temperature, impact, and time. It also lacks a drop impact sensor, an independent RTC clock, a local storage chip, and a CAN transceiver at the charging head. Relying on the main controller for indirect data acquisition, it is prone to signal attenuation, interference, and delay, making it impossible to perceive the charging head's operating condition in real time. When the charging head malfunctions during emergency rescue, handling, plugging / unplugging, or high-power charging, the system struggles to identify and implement appropriate protective measures in a timely manner.

[0089] 3) Software level: The fault tracing mechanism is missing, there is no multi-dimensional log management, and there is a lack of over-temperature, impact, and timestamp records; the protocol conversion is concentrated in the main control, the gun end has no CAN communication processing capability, poor compatibility and slow response; the protection logic is simple, there is no pre-judgment, it relies on the host computer operation and maintenance, and cannot meet the needs of rapid troubleshooting in the field.

[0090] Based on the aforementioned application requirements, this application embodiment establishes an input connection component between the mobile energy storage unit and the intermediate pile, and an output connection component between the intermediate pile and the target vehicle. A connection component control unit is installed in at least one of the input and output connection components to collect connection component status data and communicate with the intermediate pile. Simultaneously, a pile main control unit is installed within the intermediate pile, enabling it to perform charging control by comprehensively analyzing the energy storage status data of the mobile energy storage unit, the connection component status data, and the target vehicle's charging demand data. Therefore, the mobile energy storage station charging control system of this application embodiment can be applied to scenarios such as highway emergency rescue, temporary energy replenishment on urban roads, vehicle rescue in industrial parks, energy replenishment for vehicles operating in the field, and when fixed charging facilities are unavailable.

[0091] The following detailed description of the mobile energy storage station charging control system and control method of this application, with reference to specific embodiments, will further illustrate these features.

[0092] Firstly, please refer to Figure 1 The mobile energy storage station charging control system of this application includes a mobile energy storage unit 10, an intermediate pile body 20, an input connection component 30, an output connection component 40, a connection component control unit 50 disposed in the input connection component 30 and / or the output connection component 40, and a pile body main control unit 60 disposed in the intermediate pile body 20.

[0093] The mobile energy storage unit 10 provides charging power. The intermediate charging pile 20 receives the power output from the mobile energy storage unit 10 and outputs charging power to the target vehicle. The input connection component 30 connects the mobile energy storage unit 10 and the intermediate charging pile 20 to form an input power link for energy storage charging; the output connection component 40 connects the intermediate charging pile 20 and the target vehicle to form an output power link for vehicle charging.

[0094] A connection component control unit 50 is disposed in at least one of the input connection component 30 and the output connection component 40, and is used to collect connection component status data and communicate with the intermediate pile 20. In one embodiment, the connection component control unit 50 may be disposed in any nozzle of the input connection component 30 and any nozzle of the output connection component 40; in another embodiment, the connection component control unit 50 may be disposed in multiple nozzles of the input connection component 30 and the output connection component 40. In a preferred embodiment, the connection component control unit 50 may be disposed in one nozzle of the input connection component 30 near the intermediate pile 20 and in one nozzle of the output connection component 40 near the intermediate pile 20, respectively. The connection component status data may include temperature data and impact data, and may also include at least one of connection status data, communication status data, voltage detection data, current detection data, and insulation status data.

[0095] The main control unit 60 is disposed within the intermediate pile body 20 and is communicatively connected to the mobile energy storage unit 10, the connection component control unit 50, and the target vehicle. The main control unit 60 performs charging control based on at least one of the energy storage status data of the mobile energy storage unit 10, the connection component status data, and the charging demand data of the target vehicle. Understandably, the energy storage status data may include at least one of the following: output voltage, output current, remaining capacity, maximum allowable output power, energy storage temperature, energy storage fault code, contactor status, and battery health status of the mobile energy storage unit 10. The charging demand data of the target vehicle may be output by the vehicle battery management system, including at least one of the following: requested target voltage, requested charging current, maximum allowable charging power, vehicle battery temperature, vehicle remaining capacity, charging mode command, and vehicle fault flag.

[0096] In this way, by connecting the mobile energy storage unit 10, the intermediate pile 20 and the target vehicle to the system respectively, and forming a hierarchical control architecture through the connection component control unit 50 and the pile main control unit 60, the charging control system can dynamically adjust the charging process according to the energy storage status, connection component status and vehicle needs, thus making it suitable for complex scenarios such as high-speed emergency rescue.

[0097] In one embodiment, the input connection component 30 is an input dual-head gun, which includes a first head 31 and a second head 32. The first head 31 is used to connect to the mobile energy storage unit 10, and the second head 32 is used to connect to the intermediate pile body 20. The first head 31 and the second head 32 can be connected via high-voltage cables, communication cables, and low-voltage auxiliary cables to form an input power link for energy storage charging. The output connection component 40 is an output dual-head gun, which includes a third head 41 and a fourth head 42. The third head 41 is used to connect to the intermediate pile body 20, and the fourth head 42 is used to connect to the target vehicle. The third head 41 and the fourth head 42 can be connected via high-voltage cables, communication cables, and low-voltage auxiliary cables to form an output power link for vehicle rescue charging. In a preferred embodiment, a connection component control unit 50 can be provided in the second head 32 and the third head 41 near the intermediate pile body 20, and communicate with the pile body main control unit 60.

[0098] Thus, the system forms a four-segment connection topology. The first segment is the first nozzle 31 connected to the mobile energy storage unit 10 to realize the extraction of stored electrical energy; the second segment is the second nozzle 32 connected to the intermediate pile 20 to realize the input of stored electrical energy into the intermediate pile 20; the third segment is the third nozzle 41 connected to the intermediate pile 20 to realize the output of electrical energy after the pile is stabilized or dispatched; the fourth segment is the fourth nozzle 42 connected to the target vehicle to realize the rescue charging of the target vehicle.

[0099] In this embodiment, the intermediate pile 20 is not merely a simple transfer structure, but rather a control node for energy reception, buffering, voltage stabilization, protocol adaptation, power scheduling, and safety protection. The electrical energy output from the mobile energy storage unit 10 first enters the intermediate pile 20, and then the intermediate pile 20 outputs charging energy to the target vehicle according to the needs of the target vehicle and the system status.

[0100] Furthermore, the input power link corresponding to the input connection component 30 and the output power link corresponding to the output connection component 40 can be isolated from each other. Isolation can include at least one of high-voltage circuit isolation, low-voltage communication circuit isolation, control circuit isolation, insulation protection isolation, and fault protection logic isolation. When either the input power link or the output power link fails, the pile main control unit 60 can maintain the availability of the normal power link. For example, when the fourth nozzle 42 of the output connection component 40 experiences over-temperature or impact abnormalities, the system can disconnect the output power link but still maintain the monitoring, communication, or energy storage-side safety management functions of the input power link.

[0101] Thus, through the above structure, the input power link and the output power link can work together during charging and can achieve segmented isolation in case of fault, thereby improving the fault isolation capability and operational reliability of the mobile energy storage station charging control system.

[0102] Please see Figure 2 In one embodiment, the connection component control unit 50 may include a controller, a status acquisition module, a clock module, a local storage module, and a communication module. The status acquisition module, clock module, local storage module, and communication module are all communicatively connected to the controller. The controller may be a microcontroller, an embedded processor, a dedicated control chip, or a control circuit with data acquisition and communication processing capabilities. The controller receives connection component status data acquired by the status acquisition module, compares the connection component status data with a preset abnormal threshold, and triggers the generation of an abnormal message if the connection component status data exceeds the preset abnormal threshold.

[0103] The status acquisition module is used to collect status data of the connected components and send it to the controller. Please refer to [link / reference]. Figure 3In some embodiments, the status acquisition module may include a temperature acquisition module and a drop impact sensing module. The acquired status data of the connection components may include temperature data, impact amplitude, etc. The temperature acquisition module may include an NTC temperature sensor, a thermistor, a digital temperature sensor, an infrared temperature sensor, or other devices suitable for temperature detection inside the gun head or at the terminals. The temperature acquisition module may be located at the gun head terminals, cable connections, near the control board, or other locations prone to heat generation, for detecting the temperature data of the gun head. The drop impact sensing module may include a triaxial accelerometer, an impact sensor, a vibration sensor, an inertial measurement unit, or other sensors capable of detecting drops, impacts, or severe vibrations. The drop impact sensing module is used to acquire impact data of the gun head, such as impact amplitude, to reflect the drop or impact situation of the gun head during use.

[0104] Accordingly, the preset anomaly threshold may include at least one of a temperature anomaly threshold and an impact anomaly threshold. When the temperature data and / or impact data in the status data of the connected component exceed the corresponding preset anomaly threshold, the controller triggers the generation of an anomaly message. The anomaly message may include at least one of an over-temperature message and an impact message. Understandably, the temperature anomaly threshold and the impact anomaly threshold can be set according to the actual application scenario. For example, if the temperature anomaly threshold is 65°C, and the detected temperature data is above 65°C, it is determined to be over-temperature; for example, if the impact anomaly threshold is 2g, and the detected impact amplitude is above 2g, it is determined to be an impact. This is only an illustrative example and does not constitute a limitation of this application.

[0105] The clock module provides timestamps for the logs. This module can be an RTC (Real-Time Clock) module, continuously running even when power is off, providing millisecond-level accurate timestamps for all logs, resolving issues such as lack of time anchors, disordered log timing, and low data reliability. The local storage module stores logs related to exception messages. This module can be an EEPROM, Flash, FRAM, memory card, non-volatile memory chip, or other non-volatile memory. Understandably, logs may include at least one of the following: event type, event level, nozzle number, device number, temperature data, impact data, voltage data, current data, timestamp, and processing action.

[0106] The communication module establishes a communication link between the connection component control unit 50 and the pile main control unit 60, enabling the connection component control unit 50 to send at least one of the connection component status data and abnormal messages to the pile main control unit 60. The communication module may include a CAN communication module, a CAN transceiver, an RS485 communication module, a LIN communication module, an Ethernet communication module, or a wireless communication module. In a preferred embodiment, the communication module is an industrial-grade CAN communication module to adapt to the electromagnetic interference environment in high-power charging scenarios.

[0107] Please see Figure 4 In one embodiment, after the system is powered on, the pile main control unit 60 can automatically perform a full-link hardware self-test. The self-test objects may include the mobile energy storage unit 10, the intermediate pile 20, the input connection component 30, the output connection component 40, and the controller, CAN communication module, clock module, local storage module, and status acquisition module in the connection component control unit 50. Specifically, the self-test on the nozzle side may include checking whether the controller is operating normally, whether the temperature acquisition module is providing normal feedback, whether the drop impact sensor module is providing normal feedback, whether the communication module is sending and receiving messages normally, whether the local storage module is readable and writable, and whether the clock module is timing normally. The self-test on the pile side may include checking the pile main control unit 60, the protocol conversion link, the power drive circuit, and the power supply circuit. The CAN communication module self-test may include the pile main control unit 60 sending a test message to the connection component control unit 50 and determining whether there are any anomalies such as message timeout, packet loss, CRC errors, or node offline. After the self-test passes, the system enters the protocol identification, handshake communication, power scheduling, and charging output process. When the self-test fails, the system can restrict charging, disable output, record fault logs, and alert on-site personnel.

[0108] Furthermore, the connection component control unit 50 may also include a warning module. The warning module may include indicator lights, buzzers, displays, vibration alerts, or other local alerting devices. When the controller detects an abnormal condition of the nozzle (overheating, impact), it can control the warning module to output a warning alert so that on-site personnel can quickly identify the abnormal nozzle.

[0109] Thus, by setting up an independent connection component control unit 50, the nozzle, which serves as the connection component, is no longer a simple conductive interface, but an intelligent node with capabilities for status acquisition, anomaly identification, log recording, communication uploading, and local alerts. This enhances the nozzle's status awareness and provides a data foundation for fault tracing.

[0110] In one embodiment, the pile main control unit 60 is further configured to perform the following calculations: determine the actual output power of the pile side based on the pile side output data; determine the vehicle's requested power based on the target vehicle's charging demand data; determine the maximum output power of the energy storage side based on the energy storage status data of the mobile energy storage unit; and determine the target output power based on the vehicle's requested power, the maximum output power of the energy storage side, and the connection component status data.

[0111] Specifically, the main control unit 60 of the charging pile can simultaneously collect four types of multi-dimensional data with a 10ms calculation cycle. All data is time-aligned by adding hardware RTC timestamps and participates in the power strategy calculation. The four types of multi-dimensional data include: charging demand data and battery status data of the target vehicle uploaded by the vehicle battery management system; energy storage status data of the mobile energy storage unit 10; connection component status data uploaded by the connection component control unit 50; and pile-side status data of the intermediate charging pile 20 itself. Among them, the pile-side status data can be used for subsequent power closed-loop control; the other three types of data can be used for the calculation and verification of the target output power.

[0112] Furthermore, the charging demand data of the target vehicle may include the target voltage U requested by the vehicle. req (Unit: Volts (V)) Requested charging current I req (Unit: Ampere A), etc. Battery status data may include real-time remaining battery capacity (SOC), maximum / minimum temperature (T) of individual battery cells, etc. bat Battery fault flags, etc. Energy storage status data may include the energy storage bus open-circuit voltage U. sto (Unit: Volts (V)) Actual output current of energy storage I sto (Unit: Ampere A) Energy Storage Remaining Capacity (SOC) sto Maximum permissible output power of energy storage Psto max Energy storage protection temperature threshold, etc. Connection component status data may include the nozzle temperature T. gun Triaxial acceleration resultant impact amplitude G val Gun head communication packet loss rate Loss can Etc. Pile-side status data may include the actual output voltage U of the pile busbar. out (Unit: Volts (V)) Actual output current I of the busbar out (Unit: Ampere A), power module temperature, insulation monitoring resistance, CAN communication link status, etc.

[0113] In this embodiment, the actual output voltage U of the busbar can be used as a reference. out Actual output current I of the busbar out Calculate the actual output power of the pile side :

[0114] (1).

[0115] The target voltage U can be requested based on the vehicle. req and requested charging current I req The vehicle's requested power is calculated, and this calculated vehicle requested power is used as the baseline target output power, i.e.:

[0116] (2);

[0117] In formula (2): This indicates the target output power.

[0118] Based on the no-load voltage U of the energy storage bus sto and the maximum value of the actual output current of energy storage Calculate the maximum output power on the energy storage side and use it as a constraint on the target output power, that is:

[0119] (3);

[0120] In formula (3): This represents the maximum output power of the mobile energy storage unit 10 on the energy storage side under the current operating conditions; it serves as a constraint on the final target output power, meaning that the final target output power of the system must not exceed this value to prevent overload of the energy storage battery.

[0121] Then, based on the vehicle's requested power, the maximum output power of the energy storage side, and the status data of the connected components, the target output power can be determined, specifically including:

[0122] First, a comprehensive security correction coefficient model is constructed based on the correction parameters of the connection component status data. The comprehensive security correction coefficient can be expressed as:

[0123] (4);

[0124] In equation (4): This represents the overall safety correction factor; This indicates the nozzle temperature correction factor; This indicates the correction factor for gun head impact vibration; This represents the correction factor for remaining energy storage capacity; This represents the vehicle battery temperature correction factor. The factor value range is uniformly 0.3~1.0. Under normal operating conditions where the equipment has no abnormalities, all sub-factors are set to 1.0.

[0125] Then, using the vehicle's requested power as the baseline target output power, the maximum output power of the energy storage side as a constraint, and combining the calculated comprehensive safety correction coefficient, the final target output power is calculated as follows:

[0126] (5);

[0127] In formula (5): This indicates the target output power.

[0128] The pile body main control unit 60 can calculate the target output power. The target output voltage and target output current are calculated in reverse, and control commands are generated and sent to the power drive hardware circuit to perform charging regulation.

[0129] In some embodiments, the main control unit 60 of the charging pile can also be used to perform graded protection control based on connection component status data, energy storage status data, and battery status data of the target vehicle. The connection component status data here may include the temperature T of the charging head. gun Impact amplitude G val Energy storage status data can include the remaining energy storage capacity (SOC). sto The target vehicle's battery status data may include the vehicle battery temperature T. bat And the battery fault flag. Simultaneously, maintain a normal CAN communication link status on the pile side, with no CAN message loss or insulation monitoring anomalies.

[0130] Understandably, the overall operating conditions of the system can include normal operating conditions and abnormal operating conditions. This embodiment further divides abnormal operating conditions into warning operating conditions and fault operating conditions. For warning operating conditions and fault operating conditions, this embodiment can execute different control strategies respectively, specifically including:

[0131] If the status data of the connected components, energy storage, and battery meet the warning triggering conditions, a warning message and log recording will be triggered, and output power reduction control will be executed.

[0132] When the status data of the connected components, energy storage, and battery meet the fault protection conditions, a fault report is triggered and fault protection control is executed.

[0133] Among them, output power reduction control can reduce at least one of the target output power and the actual output power on the pile side; fault protection control can include output cut-off control.

[0134] Specifically, under normal operating conditions, the status data of the connecting components, the status data of the energy storage, and the battery status data of the target vehicle should meet the following requirements: the temperature T of the nozzle. gun Impact amplitude G below 65℃ val Less than 2g, remaining energy storage capacity (SOC) sto Greater than or equal to 30%, vehicle battery temperature T bat Within the temperature range of 10℃ to 45℃, and with no CAN message loss, insulation monitoring anomalies, or battery fault flags, the temperature correction factor for the nozzle head is as follows: Gunhead impact vibration correction coefficient Energy storage remaining capacity correction factor and vehicle battery temperature correction factor All can be set to 1.0, for a comprehensive safety correction factor. It is 1.0.

[0135] Under normal operating conditions, the pile main control unit 60 outputs power at the benchmark target. and the upper limit of energy storage output power The smaller value is used as the power adjustment reference, and the intermediate pile 20 is controlled to output charging power through gradual adjustment.

[0136] Under early warning conditions, when any state parameter meets the early warning triggering condition, the pile body main control unit 60 enters the early warning scheduling logic. Early warning triggering conditions may include: the temperature T of the nozzle. gun Temperature greater than or equal to 65℃ and less than 80℃; Impact amplitude G val Greater than or equal to 2g and less than 4g; State of Charge (SOC) of remaining energy storage capacity sto Greater than or equal to 15% and less than 30%; vehicle battery temperature T bat The temperature must be greater than or equal to 0℃ and less than 10℃, or greater than 45℃ and less than or equal to 55℃. For warning conditions, the warning trigger threshold and coefficient correction are shown in Table 1 below:

[0137] Table 1. Warning Trigger Judgment Thresholds and Coefficient Corrections

[0138] Warning type Quantitative judgment threshold Corresponding sub-item correction factor High temperature warning for gun head <![CDATA[65℃≤T gun <80℃]]> =0.7 Minor bumps and impacts warning <![CDATA[2g≤G val <4g]]> =0.8 Low energy storage warning <![CDATA[15%≤SOC sto <30%]]> =0.75 Vehicle battery high and low temperature warning <![CDATA[0℃≤T bat <10℃ or 45℃ <T bat ≤55℃ =0.8

[0139] When two or more early warning conditions are triggered simultaneously within the same power scheduling cycle, the pile body main control unit 60 multiplies the corresponding sub-item correction coefficients to obtain the comprehensive safety correction coefficient. For example, the nozzle temperature T gun The temperature was 68℃ and the impact amplitude G val When it is 3g, Take 0.7, Take 0.8 as the comprehensive safety correction factor. It is 0.56.

[0140] Under the warning condition, the pile body main control unit 60 adjusts the comprehensive safety correction factor. The system reduces the target output power and simultaneously lowers the actual output current at the pile side by 50% to 70% to maintain low-power operation. The pile main control unit 60 continuously monitors the status parameters. When the status parameters return to the normal range, the pile main control unit 60 can gradually restore the power every 5 seconds until it returns to the current allowable power reference value. During the warning process, the system does not disconnect the charging link and automatically generates a timestamped warning log, storing it in the local storage module. It can also be uploaded to the backend via the CAN communication link.

[0141] Under fault conditions, if any state parameter meets the fault protection conditions, the pile main control unit 60 will execute the power cut-off control. Fault protection conditions may include: the temperature T of the nozzle. gun≥80℃; Impact amplitude G val Greater than or equal to 4g; State of Charge (SOC) of remaining energy storage capacity sto Less than 15%; 20 consecutive CAN message packets lost or communication interruption timed out within 100ms; vehicle battery management system uploads battery fault flag; vehicle battery temperature is greater than 55℃ or less than 0℃. In this fault condition, the main control unit 60 of the charging pile will apply a comprehensive safety correction factor. Forced to 0, and target output power Zeroing. The power drive circuit performs a soft shutdown, the bus energy release process is initiated, and the residual high voltage in the circuit is released after a preset delay. In some embodiments, the preset delay can be 500ms.

[0142] The aforementioned tiered protection mechanism enables the system to provide early warnings of anomalies, reduce power consumption as risks increase, and cut off output in the event of a serious fault, thereby preventing equipment from operating while malfunctioning and ensuring both charging continuity and safety. Please refer to [link / reference]. Figure 5 In some embodiments, the pile main control unit 60 is also configured to determine the target output power. Compared with the actual output power of the pile side The power deviation between them is subject to power closed-loop control, including:

[0143] If the absolute value of the power deviation is greater than the percentage value of the target output power, the actual output power of the pile side is adjusted to correct the power deviation.

[0144] The absolute value of the power deviation after N consecutive correction cycles is detected as a percentage of the target output power, and it is still greater than a preset percentage threshold. Wherein, N is an integer and N≥2; in a preferred embodiment, N=5, that is, 5 consecutive correction cycles.

[0145] If the absolute value of the corrected power deviation is less than or equal to the percentage value of the target output power, an early warning and log recording will be triggered.

[0146] If the absolute value of the corrected power deviation is still greater than the percentage value of the target output power, a fault report is triggered and fault protection control is executed.

[0147] Specifically, the power deviation is the target output power. Compared with the actual output power of the pile side The difference between them, using Therefore, considering the characteristics of emergency rescue scenarios and the safety margin of devices, this embodiment can set two levels of over-limit judgment thresholds, as shown in Table 2 below:

[0148] Table 2 Power Closed-Loop Control Judgment Rules

[0149] Determine the level Deviation type Threshold (Example) Trigger Action No grade (normal) Allow small fluctuations ∣ ∣ / ≤10% No correction action, no recording Level 1 warning Over-threshold correctable deviation Single sampling, | | / >10%, and after five consecutive cycles of correction, it fell back to below 10%. Trigger power correction (for 5 consecutive cycles) and record timestamped warning logs. Level 2 fault Severely exceeded limits and cannot be repaired After five consecutive cycles of correction, | | / >10% Trigger fault reporting, and shut down the system if necessary.

[0150] Referring to Table 2, the power closed-loop control in this embodiment includes the following scenarios:

[0151] 1) The preset normal fluctuation range is the power deviation. The absolute value relative to the target output power The percentage value is not greater than the preset percentage threshold. This range is the normal fluctuation range allowed by the device, and no calibration is required or warning logs are generated.

[0152] 2) When a power deviation is detected in a single sampling The absolute value relative to the target output power When the percentage value exceeds the preset percentage threshold, the system immediately initiates power correction and dynamic scheduling, adjusting the actual output power at the pile side by fine-tuning the actual output current and / or actual output voltage. This corrects the power deviation. .

[0153] Subsequently, continuous monitoring is conducted over multiple operation cycles; if the power deviation after correction for 5 consecutive (N=5) correction cycles is... The absolute value relative to the target output power If the percentage value falls back to within the preset percentage threshold, it is determined to be a minor over-tolerance that can be repaired. At this time, the system automatically generates a warning log with an RTC timestamp and stores it in the local storage module, without interrupting the charging process.

[0154] 3) If the power deviation is corrected after 5 consecutive (N=5) correction cycles The absolute value relative to the target output power If the percentage value continues to be greater than the preset percentage threshold, it is determined that the power link is seriously over-limited. At this time, the charging fault protection control is triggered, the fault is reported, and if necessary, the power output is cut off and the system enters the shutdown protection state.

[0155] Understandably, the preset percentage threshold here can be flexibly set according to the safety margin of the energy storage and charging gun hardware, such as 10%, 20%, etc. This embodiment does not limit the specific value of the threshold.

[0156] Furthermore, regarding the situation in point 2) above, that is, by fine-tuning the actual output current and / or actual output voltage at the pile side, the actual output power at the pile side can be adjusted. This corrects the power deviation. The specific operation of this process can be to fine-tune at least one of the actual output current and the actual output voltage at the pile side to reduce the actual output power at the pile side. This corrects the power deviation. For example: If > (This indicates that the actual output current at the pile side is too high). At this point, the actual output current at the pile side can be reduced by gradually decreasing it according to a preset step size (e.g., 1A / step) until the power deviation is correct. Return to normal range; if < (Indicating that the actual output at the pile side is too low), under the premise of not exceeding the vehicle's requested current and energy storage output capacity, the actual output current at the pile side is adjusted upwards in steps to correct the power deviation. .

[0157] Furthermore, if the corrected power deviation Still cannot eliminate, for example, power deviation The absolute value relative to the target output power If the percentage value consistently exceeds 10% and shows no improvement for five consecutive correction cycles, the pile main control unit 60 can then perform dynamic power scheduling by combining multi-source data. For example, it can adjust the target output power based on the remaining energy storage capacity and bus load rate to prevent it from exceeding the energy storage output capacity (i.e., the maximum output power on the energy storage side); and reduce the target output power based on the temperature and impact status of the nozzle, operating at a more conservative power level to ensure safety first. If the power deviation... If the problem is caused by communication delays or packet loss, CAN link health monitoring will be triggered synchronously, and redundant communication channels will be switched to eliminate the impact on the communication layer.

[0158] For systems with multiple charging channels, the main control unit 60 can electrically isolate and independently manage the charging channel corresponding to a fault. When a single charging nozzle or a single charging channel fails, the main control unit 60 can cut off the power output of the faulty charging channel while maintaining the availability of other normal charging channels. When the fault is a common bus level fault, insulation fault, or system-level safety fault, the main control unit 60 can cut off all power output. Furthermore, under fault conditions, the main control unit 60 marks the corresponding fault event as a Level 1 critical fault log and stores it non-volatilely, while simultaneously uploading a fault alarm message via the CAN communication link. Before the fault is cleared, the main control unit 60 locks the power output permission. Only after manual reset and clearing of the fault flag on-site is the system allowed to re-enter the charging startup process.

[0159] In this way, the system can determine whether the power link is abnormal based on the deviation between the actual output power of the charging pile, the actual output power of the energy storage side and the power requested by the vehicle, and make adjustments when the power deviation is within the correctable range, and perform fault protection when the power deviation exceeds the fault range, thereby improving the reliability of charging output.

[0160] In one embodiment, please refer to Figure 6 The logs can include normal operation logs, warning logs, and fault logs. Understandably, normal operation logs can include at least one of the following: power-on time, connection time, charging start time, charging end time, average temperature, maximum temperature, and communication status. Warning logs can include at least one of the following: temperature approaching threshold events, minor impact events, communication quality degradation events, and connection anomaly alert events. Fault logs can include at least one of the following: severe over-temperature events, severe impact events, communication interruption events, power anomaly events, output cut-off events, and fault lockout events. Each log entry can be bound to a timestamp provided by the clock module and record the corresponding nozzle number, event type, event level, status parameters, and processing action. The local storage module can use a circular overwrite method to store ordinary logs and protect the storage of severe fault logs to prevent critical fault data from being overwritten.

[0161] In this way, by dividing logs into three levels—normal operation, early warning, and fault—and storing them in a cyclical manner, manual clearing and targeted export are supported, adapting to the entire lifecycle management of equipment. Log data is permanently saved and tamper-proof after power failure, forming a complete equipment operation archive to support product iteration, after-sales accountability, and security auditing.

[0162] In one embodiment, the charging pile master control unit 60 is further configured to preprocess vehicle-side CAN messages from the target vehicle. The vehicle-side CAN messages can be charging communication messages output by the target vehicle's battery management system, such as battery status messages, charging request messages, handshake messages, and fault messages. The preprocessing of the vehicle-side CAN messages by the charging pile master control unit 60 may include at least one of the following operations: identifying the CAN message frame format; filtering messages based on the CAN ID; extracting basic fields; identifying the message period; determining the message type; performing signal shaping; buffering the original message; and encapsulating the original message and basic fields into an intermediate message. The intermediate message can be a data format that the charging pile master control unit 60 can uniformly recognize. This preprocessing operation can mask the differences in underlying frame format, ID, and field arrangement between different vehicle protocols, reducing the communication processing pressure on the charging pile master control unit 60.

[0163] The main control unit 60 of the charging pile is also used to parse and match the pre-processed intermediate messages according to its built-in protocol library, so as to enable communication between the mobile energy storage unit 10, the intermediate charging pile 20, and the target vehicle. The built-in protocol library may include the national standard GB / T 27930 protocol library, the private CAN protocol libraries of different vehicle manufacturers, the private protocol libraries of different energy storage devices, and the internal control protocol library of the charging pile. The main control unit 60 of the charging pile can identify the protocol by at least one of the following: message ID, frame period, characteristic bytes, interaction timing, field length, and verification rules. After identifying the protocol type used by the target vehicle or the mobile energy storage unit 10, the main control unit 60 of the charging pile parses and encapsulates the message according to the corresponding protocol rules. For example, the main control unit 60 of the charging pile can convert the target voltage, target current, remaining capacity, temperature, fault codes, and other data reported by the vehicle battery management system into the data format required for internal scheduling of the charging pile; at the same time, it can convert the control commands generated by the main control unit 60 of the charging pile into protocol messages that the target vehicle can recognize, and send them to the target vehicle through the CAN communication link.

[0164] In this way, by using pile depth analysis and protocol adaptive matching, the system can be compatible with different brands of energy storage devices and different vehicle models, reducing the risk of handshake failure and protocol incompatibility.

[0165] Secondly, please refer to Figure 7 This application provides a mobile energy storage station charging control method, applied to the aforementioned mobile energy storage station charging control system. The mobile energy storage station charging control method includes the following steps:

[0166] S101. Establish the input power link between the mobile energy storage unit and the intermediate pile, and establish the output power link between the intermediate pile and the target vehicle.

[0167] Specifically, the mobile energy storage unit 10 can be connected via the first nozzle 31 of the input dual-head gun, and the intermediate pile 20 can be connected via the second nozzle 32 of the input dual-head gun, thus forming an input power link for energy storage into the pile. The intermediate pile 20 can be connected via the third nozzle 41 of the output dual-head gun, and the target vehicle can be connected via the fourth nozzle 42 of the output dual-head gun, thus forming an output power link for vehicle rescue charging.

[0168] S102. Obtain energy storage status data of the mobile energy storage unit, connection component status data collected by the connection component control unit, and charging demand data of the target vehicle.

[0169] Specifically, energy storage status data can be transmitted from the mobile energy storage unit 10 to the charging pile main control unit 60 via a CAN communication link. Connection component status data can be collected by the connection component control unit 50 and transmitted to the charging pile main control unit 60. Charging demand data can be transmitted from the target vehicle's battery management system to the charging pile main control unit 60.

[0170] S103. Determine a charging control strategy based on at least one of the energy storage status data, connection component status data, and charging demand data to control the intermediate pile to output charging energy to the target vehicle.

[0171] The charging control strategy may include at least one of the following: starting charging, maintaining charging, adjusting voltage, adjusting current, reducing power, stopping charging, cutting off output, fault reporting, and logging.

[0172] Furthermore, the connection component control unit 50 includes a controller, and a status acquisition module, a clock module, a local storage module, and a communication module communicatively connected to the controller. Based on this, the control method further includes: acquiring connection component status data through the status acquisition module; receiving the connection component status data through the controller and comparing the connection component status data with a preset abnormal threshold; generating an abnormal message if the connection component status data exceeds the preset abnormal threshold; storing logs related to the abnormal message through the local storage module; providing timestamps for the logs through the clock module; and sending at least one of the connection component status data and the abnormal message to the pile main control unit of the intermediate pile through the communication module.

[0173] Accordingly, the preset abnormal thresholds may include at least one of a temperature abnormal threshold and an impact abnormal threshold. When the temperature data collected by the temperature acquisition module exceeds the temperature abnormal threshold, the controller generates an over-temperature message; when the impact data collected by the drop impact sensor module exceeds the impact abnormal threshold, the controller generates an impact message. The abnormal messages can be uploaded to the pile main control unit 60 via the communication module.

[0174] In one embodiment, before determining the charging control strategy, the control method further includes: determining the actual output power of the pile side based on the pile-side output data of the intermediate pile; determining the vehicle's requested power based on the charging demand data of the target vehicle; determining the maximum output power of the energy storage side based on the energy storage status data of the mobile energy storage unit; and determining the target output power based on the vehicle's requested power, the maximum output power of the energy storage side, and the status data of the connection components.

[0175] Based on the calculated power, a charging control strategy is determined, including:

[0176] If the status data of the connected components, energy storage, and battery meet the warning triggering conditions, a warning message and log recording will be triggered, and output power reduction control will be executed.

[0177] When the status data of the connected components, energy storage, and battery meet the fault protection conditions, a fault report is triggered and fault protection control is executed.

[0178] Among them, output power reduction control reduces at least one of the target output power and the actual output power on the pile side; fault protection control includes output cut-off control.

[0179] Furthermore, determining the charging control strategy also includes: performing power closed-loop control based on the power deviation between the target output power and the actual output power at the charging pile.

[0180] Specifically: when the percentage of the absolute value of the power deviation relative to the target output power is greater than a preset percentage threshold, adjust the actual output power of the pile side to correct the power deviation; detect whether the percentage of the absolute value of the power deviation relative to the target output power after N consecutive correction cycles is still greater than the preset percentage threshold, where N is an integer and N≥2; when the percentage of the absolute value of the corrected power deviation relative to the target output power is less than or equal to the preset percentage threshold, trigger an early warning prompt and log recording; when the percentage of the corrected power deviation relative to the target output power is still greater than the preset percentage threshold, trigger fault reporting and execute fault protection control.

[0181] It should be understood that some technical details not disclosed in the embodiments of this control method have been described in detail in the technical solution of the control system applying this control method, and will not be repeated here.

[0182] In summary, the mobile energy storage station charging control system and method provided in this application, by setting up a mobile energy storage unit, an intermediate pile, an input connection component, an output connection component, a connection component control unit, and a pile main control unit, enables the mobile energy storage unit to input electrical energy to the intermediate pile via the input connection component, and enables the intermediate pile to output charging electrical energy to the target vehicle via the output connection component. Simultaneously, the connection component control unit collects connection component status data and communicates with the intermediate pile, enabling the pile main control unit to execute charging control based on at least one of the energy storage status data, connection component status data, and charging demand data. Therefore, compared to mobile energy storage charging devices that only perform unidirectional output control based on vehicle-side demand, this application can incorporate the energy storage-side status, the charging gun-side status, and the vehicle-side demand into a unified control process, improving the safety, stability, and controllability of the mobile energy storage station charging process.

[0183] The above description is merely an optional embodiment of this application and does not limit the patent scope of this application. Any equivalent structural transformations made based on the inventive concept of this application and the contents of the specification and drawings of this application, or direct / indirect applications in other related technical fields, are included within the patent protection scope of this application.

Claims

1. A charging control system for a mobile energy storage station, characterized in that, include: Mobile energy storage units; An input connection component is connected between the mobile energy storage unit and the intermediate pile to form an input power link for energy storage entering the pile. An output connection component is connected between the intermediate pile and the target vehicle to form an output power link for vehicle charging. The intermediate pile body is used to receive electrical energy output by the mobile energy storage unit through the input power link, and to output charging energy to the target vehicle through the output power link; A connection component control unit is disposed in at least one of the input connection component and the output connection component, and the connection component control unit is used to collect connection component status data and communicate with the intermediate pile. The main control unit of the pile body is disposed in the intermediate pile body and is communicatively connected to the mobile energy storage unit, the connection component control unit and the target vehicle. The main control unit of the pile body is used to perform charging control according to at least one of the energy storage status data of the mobile energy storage unit, the status data of the connection component and the charging demand data of the target vehicle.

2. The mobile energy storage station charging control system according to claim 1, characterized in that, The input connection component is an input dual-head gun, which includes a first gun head for connecting to the mobile energy storage unit and a second gun head for connecting to the intermediate pile. The output connection assembly is a dual-headed output gun, which includes a third gun head for connecting to the intermediate pile and a fourth gun head for connecting to the target vehicle.

3. The mobile energy storage station charging control system according to claim 1 or 2, characterized in that, The connection component control unit includes a controller, and a status acquisition module, a clock module, a local storage module, and a communication module that are communicatively connected to the controller; The status acquisition module is used to collect status data of the connection components and send it to the controller; The controller is used to receive the status data of the connection component and compare it with a preset abnormal threshold, and trigger the generation of an abnormal message if the status data of the connection component is greater than the preset abnormal threshold. The local storage module is used to store logs related to the abnormal message; The clock module is used to provide timestamps for the logs; The communication module is used to send at least one of the connection component status data and the abnormal message to the pile main control unit.

4. The mobile energy storage station charging control system according to claim 3, characterized in that, The status acquisition module includes at least one of a temperature acquisition module and a drop impact sensing module; The status data of the connection component includes at least one of temperature data and impact data; The abnormal message includes at least one of over-temperature message and impact message.

5. The mobile energy storage station charging control system according to claim 1, characterized in that, The pile body main control unit is also used for: Determine the actual output power of the pile side based on the pile side output data; The vehicle's requested power is determined based on the target vehicle's charging demand data; The maximum output power on the energy storage side is determined based on the energy storage status data of the mobile energy storage unit; In addition, the target output power is determined based on the vehicle's requested power, the energy storage side's maximum output power, and the connection component status data.

6. The mobile energy storage station charging control system according to claim 5, characterized in that, The main control unit of the pile body is also used to perform graded protection control based on the status data of the connection components, the energy storage status data, and the battery status data of the target vehicle; wherein: If the status data of the connection component, the status data of the energy storage, and the status data of the battery meet the warning triggering conditions, a warning prompt and log recording will be triggered, and output power reduction control will be executed. If the status data of the connection component, the status data of the energy storage, and the status data of the battery meet the fault protection conditions, a fault report is triggered and fault protection control is executed. The power reduction control reduces at least one of the target output power and the actual output power at the pile side; the fault protection control includes output cut-off control.

7. The mobile energy storage station charging control system according to claim 5, characterized in that, The pile main control unit is also used to perform power closed-loop control based on the power deviation between the target output power and the actual output power of the pile side; wherein: If the absolute value of the power deviation is greater than the percentage value of the target output power, the actual output power of the pile side is adjusted to correct the power deviation. The absolute value of the power deviation after N consecutive correction cycles is detected as a percentage of the target output power, and it is still greater than the preset percentage threshold, where N is an integer and N≥2; If the absolute value of the corrected power deviation as a percentage of the target output power is less than or equal to the preset percentage threshold, an early warning and log recording will be triggered. If the absolute value of the corrected power deviation as a percentage of the target output power is still greater than the preset percentage threshold, a fault report is triggered and fault protection control is executed.

8. The mobile energy storage station charging control system according to claim 1, characterized in that, The main control unit of the pile body is also used to preprocess the vehicle-side CAN messages from the target vehicle, and to perform protocol parsing and matching on the preprocessed intermediate messages according to its built-in protocol library, so as to enable communication between the mobile energy storage unit, the intermediate pile body and the target vehicle.

9. The mobile energy storage station charging control system according to claim 1, characterized in that, The input power link corresponding to the input connection component is isolated from the output power link corresponding to the output connection component. When either the input power link or the output power link fails, the pile main control unit maintains the availability of the normal power link.

10. A charging control method for a mobile energy storage station, characterized in that, The control method, applied to the mobile energy storage station charging control system as described in any one of claims 1 to 9, comprises: Establish an input power link between the mobile energy storage unit and the intermediate pile, and establish an output power link between the intermediate pile and the target vehicle; Acquire the energy storage status data of the mobile energy storage unit, the connection component status data collected by the connection component control unit, and the charging demand data of the target vehicle; A charging control strategy is determined based on at least one of the energy storage status data, the connection component status data, and the charging demand data, so as to control the intermediate pile to output charging energy to the target vehicle.

11. The mobile energy storage station charging control method according to claim 10, characterized in that, Establishing the input power link and the output power link includes: The mobile energy storage unit is connected to the first head of the dual-headed input gun, and the intermediate pile is connected to the second head of the dual-headed input gun to form an input power link for energy storage into the pile. The intermediate pile is connected to the third head of the dual-headed output gun, and the target vehicle is connected to the fourth head of the dual-headed output gun to form an output power link for vehicle charging.

12. The mobile energy storage station charging control method according to claim 10 or 11, characterized in that, The connection component control unit includes a controller, and a status acquisition module, a clock module, a local storage module, and a communication module communicatively connected to the controller; the control method further includes: The status data of the connection component is collected through the status acquisition module; The controller receives the status data of the connection component and compares the status data of the connection component with a preset abnormal threshold. If the status data of the connection component is greater than the preset abnormal threshold, an abnormal message is generated; Logs related to the abnormal message are stored in the local storage module. The clock module provides a timestamp for the log; The communication module sends at least one of the connection component status data and the abnormal message to the pile main control unit of the intermediate pile.

13. The mobile energy storage station charging control method according to claim 10, characterized in that, The control method further includes: The actual output power of the pile side is determined based on the pile side output data of the intermediate pile body; The vehicle's requested power is determined based on the target vehicle's charging demand data; The maximum output power on the energy storage side is determined based on the energy storage status data of the mobile energy storage unit; The target output power is determined based on the vehicle's requested power, the energy storage side's maximum output power, and the connection component status data.

14. The mobile energy storage station charging control method according to claim 13, characterized in that, The control method further includes: performing graded protection control based on the status data of the connection component, the status data of the energy storage, and the battery status data of the target vehicle; The implementation of hierarchical protection control includes: If the status data of the connection component, the status data of the energy storage, and the status data of the battery meet the warning triggering conditions, a warning prompt and log recording will be triggered, and output power reduction control will be executed. If the status data of the connection component, the status data of the energy storage, and the status data of the battery meet the fault protection conditions, a fault report is triggered and fault protection control is executed. The power reduction control reduces at least one of the target output power and the actual output power at the pile side; the fault protection control includes output cut-off control.

15. The mobile energy storage station charging control method according to claim 13, characterized in that, The control method further includes: performing power closed-loop control based on the power deviation between the target output power and the actual output power at the pile side; The power closed-loop control includes: If the absolute value of the power deviation is greater than the percentage value of the target output power, the actual output power of the pile side is adjusted to correct the power deviation. The absolute value of the power deviation after N consecutive correction cycles is detected as a percentage of the target output power, and it is still greater than the preset percentage threshold, where N is an integer and N≥2; If the absolute value of the corrected power deviation as a percentage of the target output power is less than or equal to the preset percentage threshold, an early warning and log recording will be triggered. If the absolute value of the corrected power deviation as a percentage of the target output power is still greater than the preset percentage threshold, a fault report is triggered and fault protection control is executed.

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