Aggregator charging operation method and system

Abstract

The invention discloses an aggregator charging operation method. The method comprises the following steps: acquiring charging transaction data information of an electric vehicle; in response to the charging transaction data information, the electric vehicle power supply equipment of the charging station module performs data exchange and bidirectional control with a connector; in response to the charging transaction data information, the charging pile transmits charging transaction data to a charging station management module; in response to the charging transaction data received by the charging station management module, the database performs matching according to the charging transaction data to obtain matching information, and sends the matching information to the user interface; in response to the interaction information of the user interface, the charging station management module transmits the interaction information to the at least one charging station module, so that charging of the electric vehicle is realized, the transmission efficiency is improved, and resources are saved.

Description

Technical Field

[0001] The present invention relates to the field of new energy vehicle charging, and in particular to a charging operation method and system for an aggregator. Background Art

[0002] The development of the new energy vehicle industry is an important choice for solving the global energy problem, and the electric vehicle charging industry is an indispensable part of the new energy vehicle industry and an important support for the development of the new energy vehicle industry. Therefore, governments and enterprises are actively promoting the construction of electric vehicle charging infrastructure and the development of charging services to meet market demand and promote the healthy development of the new energy vehicle industry. At present, the popularity of electric vehicles is increasing, and the demand for charging facilities is also increasing. However, the communication standards between private charging networks are inconsistent, which leads to difficulties in interoperability and management between charging facilities.

[0003] In order to solve the communication difficulties of private charging networks, OCPP was proposed as a global open communication standard. The emergence of OCPP provides a unified communication protocol for charging facilities, improving the interoperability and flexibility between charging facilities. In addition, with the continuous advancement and innovation of science and technology, OCPP as an open standard protocol will also help promote technological innovation and standardization in the charging industry, improve user experience, and promote the sustainable development of the electric vehicle charging industry. Therefore, the introduction of OCPP as a standard to solve the communication problem between charging piles is an important measure closely related to the current background and technological development. Summary of the invention

[0004] In view of the above-mentioned problems, the present invention is proposed.

[0005] Therefore, the technical problem solved by the present invention is: the present invention solves the problem of inconsistent communication standards between private charging networks, which leads to interoperability and management difficulties between charging facilities.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0007] In a first aspect, the present invention provides a charging operation method of an aggregator, comprising:

[0008] Obtain charging transaction data information of electric vehicles;

[0009] In response to the charging transaction data information, the electric vehicle power supply device of the charging station module and the connector perform data exchange and bidirectional control;

[0010] In response to the charging transaction data information, the charging pile transmits the charging transaction data to the charging station management module;

[0011] In response to the charging transaction data received by the charging station management module, the database performs matching according to the charging transaction data, obtains matching information, and sends it to the user interface;

[0012] In response to the interactive information of the user interface, the charging station management module transmits the interactive information to at least one charging station module to realize the charging of the electric vehicle.

[0013] As a preferred solution of the charging operation method of the aggregator described in the present invention, the data exchange and bidirectional control between the electric vehicle power supply device and the connector of the charging station module include:

[0014] If the charging pile is in an idle state, the charging pile sends a signal to the electric vehicle power supply device, triggering the electric vehicle power supply device to enter the standby charging mode and wait for the connection of the electric vehicle;

[0015] If an abnormal event occurs during the charging process, the connector sends an event message, the electric vehicle power supply equipment receives the event message, and handles the abnormal event according to the preset control logic.

[0016] As a preferred solution of the charging operation method of the aggregator described in the present invention, it also includes:

[0017] The electric vehicle is connected to the charging pile and a preliminary identity authentication is performed through a pulse width modulation signal;

[0018] After successful identity authentication, the electric vehicle and the charging pile exchange charging parameters through power line communication signals and determine the charging protocol;

[0019] During the charging process, pulse width modulation signals are used to send control commands, and power line communication signals are used to transmit the status information of the electric vehicle and the charging pile in real time.

[0020] As a preferred solution of the charging operation method of the aggregator described in the present invention, the control command includes:

[0021] The charging pile sends a first pulse width modulation signal to instruct the electric vehicle to start charging;

[0022] When charging is completed or interrupted, the charging pile generates a second pulse width modulation signal, and the electric vehicle stops the charging process after receiving it;

[0023] The charging pile sends a third pulse width modulation signal according to the grid load or the battery status of the electric vehicle to adjust the charging power.

[0024] As a preferred solution of the charging operation method of the aggregator described in the present invention, the charging pile transmits the charging transaction data to the charging station management module, including:

[0025] The charging pile transmits the charging transaction data to the charging station management module through the communication protocol, including:

[0026] Set up a message queue telemetry transport protocol agent to manage the publishing and subscription of messages;

[0027] Configure the message queue telemetry transmission protocol client on the charging pile, subscribe to the relevant topic to receive instructions, and publish the status information to the specified topic;

[0028] On the backend server, configure the message queue telemetry transport protocol client, publish instructions to the specified topic of the device, and subscribe to the topic of device status information.

[0029] As a preferred solution of the charging operation method of the aggregator described in the present invention, the database matches the charging transaction data including:

[0030] The central management platform sends a data request, and the database performs a query operation based on the specific fields in the charging transaction data as the matching key, and returns the query results to the central management platform. The central management platform processes the data returned by the database and presents it on the user interface.

[0031] As a preferred solution of the charging operation method of the aggregator described in the present invention, the charging station management module includes:

[0032] The user inputs interactive information through the user interface, and the central management platform receives the interactive information and updates the information in the database;

[0033] The user interacts with the user interface, and the central management platform updates the display of the user interface through the data stored in the database.

[0034] In a second aspect, the present invention provides a system for charging operations of an aggregator, comprising:

[0035] A data acquisition module, used to acquire charging transaction data information of electric vehicles;

[0036] A control module, for responding to the charging transaction data information, the electric vehicle power supply device of the charging station module and the connector to perform data exchange and bidirectional control;

[0037] A transmission module, configured to transmit the charging transaction data to the charging station management module in response to the charging transaction data information;

[0038] A matching module, configured to respond to the charging transaction data received by the charging station management module, match the database according to the charging transaction data, obtain matching information, and send it to the user interface;

[0039] The charging module is used to respond to the interactive information of the user interface. The charging station management module transmits the interactive information to at least one charging station module to realize the charging of the electric vehicle.

[0040] In a third aspect, the present invention provides a computing device, comprising:

[0041] Memory and processor;

[0042] The memory is used to store computer-executable instructions, and the processor is used to execute the computer-executable instructions. When the computer-executable instructions are executed by the processor, the steps of the aggregator charging operation method are implemented.

[0043] In a fourth aspect, the present invention provides a computer-readable storage medium storing computer-executable instructions, which, when executed by a processor, implement the steps of the aggregator charging operation method.

[0044] Beneficial effects of the present invention: The charging operation method of the aggregator proposed in the present invention has the functions of charging pile monitoring, operation data analysis, user management and payment, etc. The charging operation service of the aggregator is divided into two modules, namely, the charging station module and the charging station management module, and is combined into a four-layer model framework of the charging station management module → charging station → power supply system → electric vehicle. At the same time, the functions of the service are improved, and the interoperability of the charging equipment is improved; the OCPP2.0 version is introduced to meet the plug-and-play and smart charging requirements of electric vehicles, and the safety is greatly increased. In addition, based on the OCPP communication protocol, the message queue telemetry transmission protocol (MQTT) is used for long-distance communication, which improves the transmission efficiency and saves resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0046] Figure 1 An overall flow chart of a charging operation method for an aggregator provided by the present invention;

[0047] Figure 2 This is an architectural diagram of an aggregator charging operation method provided by the present invention. DETAILED DESCRIPTION

[0048] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the drawings of the specification. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary persons in the art without creative work should fall within the scope of protection of the present invention.

[0049] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0050] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0051] The present invention is described in detail with reference to schematic diagrams. When describing the embodiments of the present invention, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0052] At the same time, in the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper, lower, inner and outer" are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first, second or third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0053] In the present invention, unless otherwise clearly specified and limited, the terms "install, connect, connect" should be understood in a broad sense, for example: it can be a fixed connection, a detachable connection or an integral connection; it can also be a mechanical connection, an electrical connection or a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0054] Example 1

[0055] Reference Figure 1-2, which is an embodiment of the present invention, provides a charging operation method for an aggregator, including:

[0056] S100: Acquiring charging transaction data information of the electric vehicle 704;

[0057] Specifically, the present application uses the OCPP2.0 version to determine the communication parameters between the charging pile 701 and the central management platform 603 to achieve seamless communication between the charging pile 701 and the central management platform 603;

[0058] The message formats of OCPP2.0 include: request, reply, error and notification;

[0059] OCPP data exchange is data communication between the charging station 701 and the charging station management module 600 through the OCPP protocol. A connection is established between the charging station module 700 and the charging station management module 600 for two-way data transmission. The charging station module 700 sends a startup notification message to the charging station management module 600 to notify the startup and wait for a reply from the charging station management module 600. The charging station management module 600 decides whether to accept the registration of the charging station based on the information of the charging station module 700 and replies with an acceptance or rejection message. The charging station module 700 periodically sends a heartbeat message to the charging station management module 600 to keep the connection active and synchronize the time. The charging station module 700 and the charging station management module Blocks 600 use messages such as authorization, transaction start, transaction stop, and transaction events to perform operations such as authorization, start, end, and update of transactions. The charging station management module 600 sends messages such as change availability, change configuration, remote transaction start, and remote transaction stop to the charging station module 700 as needed to remotely control the charging station module 700. The charging station module 700 sends status notifications, meter values, notification reports, and other messages to the charging station management module 600 to report the status, metering values, and reports of the charging station module 700. The charging station management module 600 sends messages such as get diagnosis and update firmware to the charging station module 700 to diagnose and update the firmware of the charging station module 700.

[0060] It should be noted that compared with OCPP1.6, OCPP2.0 can integrate multiple messages into one transaction event message to more efficiently process transaction data, support firmware security updates of charging stations, security event records, authentication of charging station modules 700 and charging station management modules 600, communication encryption, key management of client certificates, etc., and can support receiving smart charging inputs from energy management systems, local controllers or electric vehicles 704 to achieve seamless integration of charging station modules 700, electric vehicles 704 and charging station management modules 600, support plug-and-play and smart charging standards, and be used for communication between electric vehicle power supply equipment 702 and electric vehicles 704, and support multiple authorization methods, such as RFID cards, payment terminals, local mechanical locks, smart phones, etc.

[0061] S200: In response to the charging transaction data information, the electric vehicle power supply device 702 of the charging station module 700 performs data exchange and bidirectional control with the connector 703;

[0062] In the embodiment of the present application, if the charging pile 701 is in an idle state, the charging pile 701 sends a signal to the electric vehicle power supply device 702, triggering the electric vehicle power supply device 702 to enter the charging standby mode, waiting for the connection of the electric vehicle 704;

[0063] If an abnormal event occurs during the charging process, the connector 703 sends an event message, and the electric vehicle power supply device 702 receives the event message and processes the abnormal event according to a preset control logic.

[0064] Specifically, the charging station module 700 is composed of an electric car 704, a charging pile 701, an electric car power supply device 702 and a connector 703. The charging pile 701 is responsible for physical connection and energy exchange with the electric car 704, as well as data communication and control with the charging station management module 600.

[0065] The electric vehicle power supply device 702 is a logical unit of the charging pile 701 , responsible for managing the status, configuration, transaction, event and other information of the charging pile 701 , and performing data exchange and control with the charging station management module 600 .

[0066] Connector 703 is a physical unit of the charging pile 701 , responsible for connecting to the charging interface of the electric car 704 , and measuring and controlling parameters such as voltage, current, and power during the charging process. Connector 703 is also a power socket that can be independently operated and managed on the charging pile 701 .

[0067] The EVSE 702 communicates with the connector 703 via an internal bus using a binary format.

[0068] It should be noted that the internal bus adopts an efficient data exchange mechanism. Through communication in binary format, the system can quickly transmit key information such as charging status, power metering and fault events between the electric vehicle power supply device 702 and the connector 703, ensuring the real-time and accuracy of information transmission.

[0069] The internal bus has highly intelligent control logic that not only responds to status updates from connector 703, but also performs complex decision-making processes based on status information. The design of the internal bus also allows the system to implement event-driven responses.

[0070] In the embodiment of the present application, the electric car 704 is connected to the charging pile 701 and a preliminary identity authentication is performed through a pulse width modulation signal;

[0071] After successful identity authentication, the electric vehicle 704 and the charging pile 701 exchange charging parameters through power line communication signals and determine the charging protocol;

[0072] During the charging process, a pulse width modulation signal is used to send a control command, and the status information of the electric vehicle 704 and the charging pile 701 is transmitted in real time via a power line communication signal.

[0073] Specifically, the electric car 704 and the charging pile 701 are connected and charged through a physical interface, and communicate with each other by combining pulse width modulation and power line communication. The signal types include identity recognition, parameters, control, etc., which are used to realize functions such as identity recognition, parameter negotiation and charging control between the charging pile 701 and the electric car 704.

[0074] In the embodiment of the present application, the charging pile 701 sends a first pulse width modulation signal to instruct the electric car 704 to start charging;

[0075] When charging is completed or interrupted, the charging pile 701 generates a second pulse width modulation signal, and the electric car 704 stops the charging process after receiving it;

[0076] The charging pile 701 sends a third pulse width modulation signal according to the grid load or the battery status of the electric vehicle 704 to adjust the charging power.

[0077] It should be noted that pulse width modulation technology allows information to be transmitted by adjusting the duty cycle of the pulse in communication. During the identification process, the pulse width modulation signal can transmit the identity information of the electric vehicle 704 with high accuracy, ensuring that only authorized vehicles can access the charging service.

[0078] The use rules of power line communication technology use existing power lines as a communication medium, which not only reduces the need for additional wiring, but also improves the installation convenience and cost-effectiveness of the system. The power line communication signal acts in parameter negotiation, allowing the electric vehicle 704 and the charging pile 701 to exchange data efficiently on charging parameters (such as voltage, current and charging time).

[0079] Combining pulse width modulation and power line communication provides higher flexibility and real-time performance for charging control.

[0080] S300 : In response to the charging transaction data information, the charging pile 701 transmits the charging transaction data to the charging station management module 600 .

[0081] In the embodiment of the present application, the charging pile 701 transmits the charging transaction data to the charging station management module 600 through the communication protocol, including:

[0082] Set up a message queue telemetry transport protocol agent to manage the publishing and subscription of messages;

[0083] Configure the message queue telemetry transmission protocol client on the charging pile 701, subscribe to the relevant topic to receive instructions, and publish the status information to the specified topic;

[0084] On the backend server, configure the message queue telemetry transport protocol client, publish instructions to the specified topic of the device, and subscribe to the topic of device status information.

[0085] Specifically, the charging station management module 600 is the core module of the service system, responsible for managing and optimizing the operation of multiple charging stations, and providing better services and experience to electric vehicle users and charging station owners. The charging station management module 600 includes a central management platform 603, a database 601, and a user interface 602. The central management platform 603 is usually provided by the charging station operator or the charging equipment manufacturer, and has the functions of real-time monitoring, remote operation, fault diagnosis, data analysis and reporting, and safety management.

[0086] Real-time monitoring: The central management platform 603 can monitor the operating status of the charging pile 701 in real time, including the connection status, charging power, charging current, charging voltage and other parameters of the charging pile 701. Through real-time monitoring, the operator can timely understand the operating status of the charging pile 701 so as to deal with faults or abnormal situations in a timely manner.

[0087] Remote operation: The central management platform 603 can realize remote operation of the charging pile 701, including starting charging, stopping charging, adjusting charging power, etc. Such remote operation function enables the operator to flexibly control the charging pile 701 at different times and locations to meet the charging needs of users and the needs of the power grid.

[0088] Fault diagnosis: The central management platform 603 uses machine learning and fault diagnosis algorithms to detect faults in the charging pile 701 in a timely manner and provide accurate fault diagnosis and solutions. When an abnormality occurs in the charging pile 701, the central management platform 603 will automatically send an alarm and provide a detailed fault report so that maintenance personnel can quickly locate and solve the problem, reducing downtime and maintenance costs. The central management platform 603 can use supervised learning or unsupervised learning methods to train the model to identify the difference between normal and abnormal working modes. The model can be trained based on historical data and predefined fault patterns so that it can accurately diagnose the fault of the charging pile 701. When an abnormality occurs in the charging pile 701, the central management platform 603 will automatically identify the fault type and generate a detailed fault report based on the results of the machine learning model. The report may include a specific description of the fault, cause analysis, and possible solutions.

[0089] Data analysis and reporting: The central management platform 603 can analyze and compile statistics on the charging data of the charging pile 701 and generate charging reports. During the charging process, the charging pile 701 will continuously send charging data to the charging operation service platform of the aggregator, such as the charging start time, end time, charging time, power, cost and other information, and these data will be recorded in the transaction records. Transaction records can help administrators and users understand the charging history and cost situation, and facilitate bill management and verification. At the same time, transaction records are also an important basis for charging pile operators to conduct operational analysis and decision-making. Data analysis and statistics can be performed based on transaction records to understand the usage of the charging pile 701, charging needs and other information, so as to plan and optimize the charging pile 701.

[0090] Security management: The central management platform 603 can realize the management of user identity authentication and charging behavior, ensuring the security and transparency of the charging process.

[0091] The interaction between the central management platform 603, the database 601 and the user interface 602 is the core of realizing the integrated management and control functions within the charging station management module 600. The central management platform 603 needs to update the information in the database 601 according to the user input of the user interface 602, or update the display of the user interface 602 according to the data stored in the database 601.

[0092] Specifically, the charging pile 701 and the charging station management module 600 preferably use the message queue telemetry transmission protocol to implement remote communication of OCPP, and set a message queue telemetry transmission protocol agent, which can be a Mosquitto proxy server, a HiveMQ proxy server, etc., for managing the publishing and subscription of messages;

[0093] It should be noted that WebSocket connection is often used for two-way data transmission and control between the charging pile 701 and the charging station management module 600, but the message queue telemetry transmission protocol provides real-time and reliable message services for connecting remote devices with very little code and limited bandwidth. The message queue telemetry transmission protocol adopts a publish / subscribe mode, which can realize asynchronous communication between devices and reduce communication delays. It is particularly suitable for communication between IoT devices, especially in resource-constrained and low-power environments. The message queue telemetry transmission protocol has a smaller communication overhead and can provide real-time and reliable message services. The asynchronous communication characteristics of the protocol and its adaptability in low-power environments make it more suitable for communication between IoT devices.

[0094] S400 : In response to the charging transaction data received by the charging station management module 600 , the database 601 performs matching according to the charging transaction data, obtains matching information, and sends it to the user interface 602 .

[0095] In an embodiment of the present application, the central management platform 603 issues a data request, the database 601 performs a query operation based on a specific field in the charging transaction data as a matching key, and returns the query result to the central management platform 603. The central management platform 603 processes the data returned by the database 601 and presents it on the user interface 602.

[0096] Specifically, the database 601 is a core component of the charging station management module 600, and is used to store the status data, transaction records, user information, and report data of the charging pile 701. The status data of the charging pile 701 includes real-time connection status, charging power, current, voltage and other parameters, which provide the central management platform 603 with remote monitoring and real-time status display of the charging pile 701. The transaction record data records the user's charging behavior, charging time, charging amount and cost, and provides a basis for user bill generation and settlement.

[0097] In addition, database 601 also stores user information data and report data generated after analyzing charging data, providing operators with detailed understanding of charging station usage and operating benefits. At the same time, database 601 is responsible for securely backing up all data to ensure data security and integrity.

[0098] Specifically, the central management platform 603 not only communicates with the charging station module 700, but also needs to frequently interact with the database 601 to store and retrieve status data, transaction records and user information of the charging station.

[0099] It should be noted that the interaction between the central management platform 603 and the database 601 ensures the consistency, accessibility and analysis capabilities of the data, and is the basis for intelligent decision-making and operational management.

[0100] S500 : In response to the interactive information of the user interface 602 , the charging station management module 600 transmits the interactive information to at least one charging station module 700 to enable charging of the electric vehicle 704 .

[0101] In the embodiment of the present application, the user inputs the interaction information through the user interface 602, and the central management platform 603 receives the interaction information and updates the information in the database 601;

[0102] The user interacts with the user interface 602 , and the central management platform 603 updates the display of the user interface 602 through the data stored in the database 601 .

[0103] Specifically, the user interface 602 serves as an interface between the user and the charging station management module 600, providing an intuitive operation platform. The user can interact with the system through this interface, perform operations such as logging in, querying the status of the charging pile 701, viewing transaction records and making payments, and improve the user experience and usability of the service platform through interaction.

[0104] It should be noted that the safety monitoring module is responsible for real-time detection and response to potential safety issues such as overload, overheating or intrusion attempts, and needs to interact with each charging station module 700 to collect necessary status information and trigger an alarm or automatically take safety measures when an abnormality is detected.

[0105] The maintenance and diagnostics module interacts with the charging station module 700 to periodically check equipment status, predict maintenance needs, and provide diagnostic information when potential problems are detected, thereby reducing downtime and improving the overall reliability of the system.

[0106] The above is a schematic scheme of a charging operation method of an aggregator in this embodiment. It should be noted that the technical scheme of the charging operation device of the aggregator is the same as the technical scheme of the charging operation method of the aggregator mentioned above. For details not described in detail in the technical scheme of the charging operation device of the aggregator in this embodiment, please refer to the description of the technical scheme of the charging operation method of the aggregator mentioned above.

[0107] The device for charging operation of an aggregator in this embodiment includes:

[0108] A data acquisition module, used to acquire charging transaction data information of the electric vehicle 704;

[0109] A control module, configured to perform data exchange and bidirectional control between the electric vehicle power supply device 702 and the connector 703 of the charging station module 700 in response to the charging transaction data information;

[0110] A transmission module, configured to transmit the charging transaction data to the charging station management module 601 in response to the charging transaction data information;

[0111] A matching module, configured to respond to the charging transaction data received by the charging station management module 600, and the database 601 performs matching according to the charging transaction data, obtains matching information, and sends it to the user interface 602;

[0112] The charging module is used to respond to the interactive information of the user interface 602. The charging station management module 600 transmits the interactive information to at least one charging station module 700 to realize the charging of the electric vehicle 704.

[0113] This embodiment also provides a computing device, applicable to charging operation of an aggregator, including:

[0114] Memory and processor; the memory is used to store computer executable instructions, and the processor is used to execute computer executable instructions to implement the charging operation method of the aggregator as proposed in the above embodiment.

[0115] This embodiment also provides a storage medium on which a computer program is stored. When the program is executed by a processor, the charging operation method of the aggregator as proposed in the above embodiment is implemented.

[0116] The storage medium proposed in this embodiment and the method for implementing charging operation of an aggregator proposed in the above embodiment belong to the same inventive concept. The technical details not fully described in this embodiment can be found in the above embodiment, and this embodiment has the same beneficial effects as the above embodiment.

[0117] Through the above description of the implementation methods, the technicians in the relevant field can clearly understand that the present invention can be implemented by means of software and necessary general hardware, and of course can also be implemented by hardware, but in many cases the former is a better implementation method. Based on such an understanding, the technical solution of the present invention is essentially or the part that contributes to the prior art can be embodied in the form of a software product, and the computer software product can be stored in a computer-readable storage medium, such as a computer's floppy disk, read-only memory (ROM), random access memory (RAM), flash memory (FLASH), hard disk or optical disk, etc., including a number of instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) to perform the methods of various embodiments of the present invention.

[0118] Example 2

[0119] Referring to Table 1, different from the first embodiment, a verification test of an aggregator charging operation method is provided to verify and illustrate the technical effects adopted in this method.

[0120] Through simulation experiments, a small urban environment was constructed, in which 100 charging stations were deployed, and each charging station was equipped with 10 charging piles.

[0121] By simulating different usage scenarios, the performance of the charging operation method of the present application and the traditional charging management system in terms of key parameters are compared.

[0122] Charging efficiency: Dynamically adjust the charging power according to the real-time grid load and user demand to maximize the utilization of charging piles. The charging power is expressed as:

[0123] P change =f(L g(t) ,D(t))

[0124] Among them, L g(t) is the real-time grid load, D(t) is the user demand, P change is the charging power;

[0125] Failure rate: The machine learning model is trained using historical failure data to predict the probability of failure:

[0126] P fault =ML m odel(H faults )

[0127] Among them, H faults It is the historical fault data;

[0128] Operating cost: The cost is calculated based on the charging amount, charging time and rate, and multiple payment methods are supported. The operating cost is expressed as:

[0129] Cost = Q × r × t

[0130] Among them, Q is the charge amount, t is the charging time, and r is the charging time.

[0131] Refer to Table 1 for a comparison of key parameters of this application and traditional charging management systems.

[0132] Table 1 Key parameter comparison reference table

[0133]

[0134]

[0135] It can be seen from Table 1 that for charging efficiency, the average waiting time of this application is 15 minutes, which means that when electric vehicle users use the system of this application, they need to wait for an average of 15 minutes to start charging or complete the charging process, while the traditional method waits for an average of 30 minutes. In the traditional charging management system, users need to wait longer. In terms of charging efficiency, this application is 50% higher than the traditional method, significantly reducing the user's waiting time.

[0136] Regarding system reliability, the failure rate of this application is 0.05 times per charging pile per month, indicating that the frequency of failure of charging piles under the system of this application is low. The failure rate of the traditional method is 0.2 times per charging pile per month, indicating that the failure rate of charging piles in the traditional method is relatively high. The system reliability is improved by 75% compared with the traditional method, indicating that this application is more reliable in reducing the occurrence of failures.

[0137] Regarding user experience, the user satisfaction score of this application is 8.5 points (out of 10 points), reflecting the high user satisfaction with the system of the present invention. The user satisfaction score of the traditional method is 6.5 points, and user satisfaction with the traditional charging management system is relatively low. The user experience is improved by 30% over the traditional method, indicating that the present application is more effective in improving user satisfaction.

[0138] As for the operating costs, the annual operating cost of each charging pile in this application is 5,000 yuan, and the annual operating cost of the traditional charging pile is 7,000 yuan, indicating that the operating cost of this application is lower than the traditional method, which is 28.57% lower than the traditional method, indicating that this application is more superior in economic benefits.

[0139] Regarding data security, the application has 1 security incident per year, indicating good performance in data security and fewer security incidents. The traditional method has 10 security incidents per year, which is a large number of data security incidents. The data security is improved by 90% compared with the traditional method, showing that the application has significant improvements in data protection and security.

[0140] In summary, the present application has significant improvements and advantages over traditional charging management systems in five aspects: charging efficiency, system reliability, user experience, operating costs, and data security.

[0141] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A charging operation method for an aggregator, characterized in that: include: Obtaining charging transaction data information of an electric vehicle (704); In response to the charging transaction data information, the electric vehicle power supply device (702) of the charging station module (700) and the connector (703) perform data exchange and bidirectional control; In response to the charging transaction data information, the charging pile (701) transmits the charging transaction data to the charging station management module (600); In response to the charging transaction data received by the charging station management module (600), the database (601) performs matching according to the charging transaction data, obtains matching information, and sends it to the user interface (602); In response to the interactive information of the user interface (602), the charging station management module (600) transmits the interactive information to at least one charging station module (700) to realize charging of the electric vehicle (704).

2. The charging operation method of the aggregator as claimed in claim 1, characterized in that: The electric vehicle power supply device (702) of the charging station module (700) and the connector (703) perform data exchange and bidirectional control including: If the charging pile (701) is in an idle state, the charging pile (701) sends a signal to the electric vehicle power supply device (702), triggering the electric vehicle power supply device (702) to enter a charging standby mode, waiting for the connection of the electric vehicle (704); If an abnormal event occurs during the charging process, the connector (703) sends an event message, and the electric vehicle power supply device (702) receives the event message and processes the abnormal event according to a preset control logic.

3. The charging operation method of the aggregator as claimed in claim 1 or 2, characterized in that: Also includes: The electric vehicle (704) is connected to the charging station (701) and performs preliminary identity authentication through a pulse width modulation signal; After the identity authentication is successful, the electric vehicle (704) and the charging pile (701) exchange charging parameters through power line communication signals and determine the charging protocol; During the charging process, a control command is sent using a pulse width modulation signal, and status information of the electric vehicle (704) and the charging pile (701) is transmitted in real time via a power line communication signal.

4. The charging operation method of the aggregator as claimed in claim 3, characterized in that: Control commands include: The charging pile (701) sends a first pulse width modulation signal to instruct the electric vehicle (704) to start charging; When charging is completed or interrupted, the charging pile (701) generates a second pulse width modulation signal, and the electric vehicle (704) stops the charging process after receiving it; The charging pile (701) sends a third pulse width modulation signal according to the grid load or the battery status of the electric vehicle (704) to adjust the charging power.

5. The charging operation method of the aggregator as claimed in claim 4, characterized in that: The charging pile (701) transmits the charging transaction data to the charging station management module (600) including: The charging pile (701) transmits the charging transaction data to the charging station management module (600) via a communication protocol, including: Set up a message queue telemetry transport protocol agent to manage the publishing and subscription of messages; Configure a message queue telemetry transmission protocol client on the charging pile (701), subscribe to relevant topics to receive instructions, and publish status information to the specified topic; On the backend server, configure the message queue telemetry transport protocol client, publish instructions to the specified topic of the device, and subscribe to the topic of device status information.

6. The charging operation method of the aggregator as claimed in claim 5, characterized in that: The database (601) matches the charging transaction data including: The central management platform (603) issues a data request, and the database (601) performs a query operation based on a specific field in the charging transaction data as a matching key, and returns the query result to the central management platform (603). The central management platform (603) processes the data returned by the database (601) and presents it on the user interface (602).

7. The charging operation method of the aggregator as claimed in claim 6, characterized in that: The charging station management module (600) comprises: The user inputs interaction information through the user interface (602), and the central management platform (603) receives the interaction information and updates the information in the database (601); The user interacts with the user interface (602), and the central management platform (603) updates the display of the user interface (602) through the data stored in the database (601).

8. A system for aggregator charging operation method, characterized in that: include: A data acquisition module, used to acquire charging transaction data information of an electric vehicle (704); A control module, used for performing data exchange and bidirectional control between the electric vehicle power supply device (702) and the connector (703) of the charging station module (700) in response to the charging transaction data information; a transmission module, configured to transmit the charging transaction data to the charging station management module (600) in response to the charging transaction data information; A matching module, configured to respond to the charging transaction data received by the charging station management module (600), and the database (601) performs matching according to the charging transaction data, obtains matching information, and sends it to the user interface (602); The charging module is used to respond to the interactive information of the user interface (602), and the charging station management module (600) transmits the interactive information to at least one charging station module (700) to realize the charging of the electric vehicle (704).

9. An electronic device, characterized in that: The device comprises: processor; a memory for storing processor-executable instructions; The processor is configured to call the instructions stored in the memory to execute the method according to any one of claims 1 to 7.

10. A computer-readable storage medium having computer program instructions stored thereon, characterized in that: When the computer program instructions are executed by a processor, the method according to any one of claims 1 to 7 is implemented.

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