Charging control method, device, integrated storage and charging system, medium and product

Abstract

The embodiments of the present application disclose a charging control method, device, integrated storage and charging system, medium and product. The integrated storage and charging system includes an energy storage device and a charging device. The method includes: sending charging parameters of the integrated storage and charging system to the electric device after successfully shaking hands with the electric device; controlling the charging device to receive the electric energy transmitted by the electric device with the charging parameters; in the process of controlling the charging device to receive the electric energy transmitted by the electric device, receiving a battery status message of the electric device sent by the electric device; based on the battery status message, determining that a first termination discharge event occurs and generating a termination discharge message of the integrated storage and charging system when a condition for stopping power transmission is met, and stopping receiving the electric energy transmitted by the electric device and sending a termination discharge message of the integrated storage and charging system to the electric device, so that the electric device can transmit electric energy to the energy storage device or the power grid through the integrated storage and charging system to achieve effective utilization of electric energy.

Description

Technical Field

[0001] The present application relates to, but is not limited to, the field of charging and discharging technology, and in particular to a charging control method, device, integrated storage and charging system, medium and product. Background Art

[0002] With the development of new energy power generation technology, electric equipment transmits electric energy to the integrated storage and charging system, which then transmits electric energy to the energy storage device or the power grid through the integrated storage and charging system to achieve effective utilization of electric energy. However, there is currently no interactive solution applied to the integrated storage and charging system and electric equipment for the electric equipment to transmit electric energy to the integrated storage and charging system. Summary of the invention

[0003] In view of this, the embodiments of the present application at least provide a charging control method, device, integrated storage and charging system, medium and product.

[0004] The technical solution of the embodiment of the present application is implemented as follows:

[0005] On the one hand, an embodiment of the present application provides a charging control method, which is applied to a storage-charging integrated system, wherein the storage-charging integrated system includes an energy storage device and a charging device, and the method includes: after the storage-charging integrated system successfully shakes hands with the electric device, receiving a message sent by the electric device to characterize the working state of the battery, and when it is determined that the working state of the battery is a power transmission state, sending the charging parameters of the storage-charging integrated system to the electric device; controlling the charging device to receive the electric energy transmitted by the electric device with the charging parameters, so as to transmit the electric energy to the energy storage device or the power grid; and controlling the charging device to transmit the electric energy to the power storage device or the power grid. In the process of receiving the electric energy transmitted by the electric device, the electrical device receives the battery status message of the electric device sent by the electric device; the battery status message includes at least one or more of the following parameters: power transmission status, voltage, temperature, current and charge state; based on the battery status message, it is determined whether the condition for stopping power transmission is met; when it is determined that the condition for stopping power transmission is met, it is determined that a first termination discharge event occurs and a termination discharge message of the storage-charging system is generated, and the reception of the electric energy transmitted by the electric device is stopped, and a termination discharge message of the storage-charging system is sent to the electric device.

[0006] In the embodiment of the present application, after the integrated storage and charging system and the electric device have successfully shaken hands, charging parameters are sent to the electric device, and then the electric energy delivered by the electric device with the charging parameters is received. In the process of receiving the electric energy delivered by the electric device, the occurrence of the first termination discharge event can be determined based on the battery status message and the condition for stopping power transmission received from the electric device, and then when the first termination discharge event occurs, the reception of the electric energy delivered by the electric device is stopped. This interactive method between the integrated storage and charging system and the electric device regarding the electric device delivering electric energy to the integrated storage and charging system enables the electric device to deliver electric energy to the energy storage device or the power grid through the integrated storage and charging system to achieve effective utilization of electric energy.

[0007] In some embodiments, the method includes: in response to a first termination discharge event, generating and sending a charging statistical message of the storage-charging system to the electric device, and receiving a discharge statistical message sent by the electric device; the charging statistical message includes at least one or more of the following: charging power and charging duration; the discharge statistical message includes at least one or more of the following: discharge power and discharge duration; based on the charging statistical message of the storage-charging system and / or the discharge statistical message of the electric device, determining the total power delivered by the electric device; based on the total power delivered by the electric device, determining the fee to be paid.

[0008] In an embodiment of the present application, in response to the first termination discharge event, the fees to be paid are determined based on the charging statistical message of the generated storage-charging system and / or the discharge statistical message of the received electric device, so that the automatic settlement of the charging fees can be achieved after the power transmission is completed, thereby realizing the automatic push settlement of the charging fees, and further realizing an integrated solution from the connection between the electric device and the storage-charging system to the automatic settlement of fees after the power transmission is completed.

[0009] In some embodiments, the working state of the battery includes: a power transmission state or a charging state.

[0010] In the embodiment of the present application, the working state supported by the battery of the electric device is explained, so that when the storage and charging system receives a signal indicating that the working state of the battery is a power transmission state, the charging parameter is sent to the electric device, so that the electric device can transmit electric energy to the storage and charging system with the charging parameter of the storage and charging system sent by the storage and charging system.

[0011] In some embodiments, before receiving a message sent by the electric device to characterize the working status of the battery, the method includes: after the storage and charging system successfully shakes hands with the electric device, in response to the electric device being in a power transmission mode, configuring the transmission parameters of the storage and charging system; the transmission parameters include at least one or more of the following: power transmission status, synchronization time, maximum power transmission capacity, and conditions for stopping power transmission; when the configuration of the transmission parameters is completed, sending the transmission parameters to the electric device; based on the electric device's readiness message sent by the electric device, determining whether to receive the electric energy delivered by the electric device; when it is determined that the electric energy delivered by the electric device is ready to be received, determining to wait for receiving the message sent by the electric device to characterize the working status of the battery, and sending the storage and charging system's readiness message to the electric device.

[0012] In an embodiment of the present application, first, when it is determined that the electric device is in the power transmission mode, the power transmission parameters of the storage and charging system are configured, and then the power transmission parameters of the storage and charging system are sent to the electric device, so that the electric device can adjust the corresponding parameters of the electric device based on the power transmission parameters received from the storage and charging system, and then generate and send a readiness message of the electric device to the storage and charging system when the parameter adjustment is successful, so that after receiving the readiness message of the electric device, the storage and charging system can determine that the electric device is ready to transmit electric energy.

[0013] In some embodiments, in response to the electric device being in the power transmission mode, before configuring the power transmission parameters of the storage and charging system, the method also includes: after the storage and charging system successfully shakes hands with the electric device, receiving the battery parameters of the electric device sent by the electric device; the battery parameters include at least one or more of the following: voltage, temperature, state of charge and operating mode; the operating mode includes: charging mode or transmission mode; based on the battery parameters of the electric device, determining whether the battery status of the electric device is normal; when it is determined that the battery status of the electric device is normal and the value of the operating mode is characterized by the power transmission mode, determining to configure the power transmission parameters of the storage and charging system.

[0014] In an embodiment of the present application, when the value of the working mode of the electric device is characterized as a power transmission mode, and the battery status of the electric device is normal, it is determined that the battery of the electric device can support the output of electric energy to other devices. In this way, the power transmission parameters of the storage and charging integrated system can be configured, and the corresponding parameters in the electric device are configured based on the power transmission parameters, so that the charging device can receive the electric energy transmitted by the electric device, thereby realizing charging of the target charging object.

[0015] In some embodiments, the method includes: in response to the electric device being in a charging mode, determining a target charging mode of the electric device by the integrated storage and charging system; the target charging mode is one of a supercharging mode, a fast charging mode and a slow charging mode; when the target charging mode is not a slow charging mode, determining whether the energy storage device supports charging the electric device according to the target charging mode based on the charge state value and the remaining energy state value of the energy storage device; when the energy storage device supports charging the electric device according to the target charging mode, determining to control the charging device to charge the electric device according to the charging rate corresponding to the target charging mode.

[0016] In an embodiment of the present application, first, when the electric device is in a charging mode, a target charging mode is determined, and then, when the target charging mode is not a slow charging mode, based on the current state of charge value and the remaining energy value of the energy storage device, it can be determined whether the energy storage device supports charging the electric device according to the target charging mode. Finally, when it is determined that the energy storage device supports charging the electric device according to the target charging mode, the electric device is charged at a charging rate corresponding to the target charging mode, thereby achieving fast charging of the electric device and improving the charging efficiency of the electric device.

[0017] On the other hand, an embodiment of the present application provides a charging control method, which is applied to an electric device, and the method includes: after a storage-charging system successfully shakes hands with the electric device, sending a message for characterizing the working status of the battery to the storage-charging system; receiving the charging parameters of the storage-charging system sent by the storage-charging system, and delivering electric energy to the storage-charging system with the charging parameters of the storage-charging system sent by the storage-charging system; in the process of delivering electric energy to the storage-charging system, sending a battery status message to the storage-charging system; upon receiving a termination discharge message of the storage-charging system sent by the storage-charging system, determining that a second termination discharge event has occurred, and stopping the delivery of electric energy to the storage-charging system; in response to the second termination discharge event, generating and sending a discharge statistics message of the electric device to the storage-charging system.

[0018] In an embodiment of the present application, after the storage-charging system and the electric device successfully shake hands, a message for characterizing the working status of the battery is sent to the storage-charging system; the charging parameters of the storage-charging system sent by the storage-charging system are received, and electric energy is delivered to the storage-charging system using the charging parameters of the storage-charging system sent by the storage-charging system; then, in the process of delivering electric energy to the storage-charging system, based on the received message of terminating discharge of the storage-charging system sent by the storage-charging system, it is determined that a second termination discharge event has occurred. In this way, the delivery of electric energy to the storage-charging system can be stopped.

[0019] In some embodiments, the method also includes: receiving charging statistics messages sent by the integrated storage and charging system; determining the total amount of electricity delivered by the electric device based on the charging statistics messages sent by the integrated storage and charging system and / or the discharge statistics messages of the electric device; and determining the fees to be charged based on the total amount of electricity delivered by the electric device.

[0020] In the embodiment of the present application, after the storage-charging system and the electric device have successfully shaken hands, the storage-charging system is supplied with electric energy using the charging parameters of the storage-charging system sent by the storage-charging system. Then, the fees to be collected are determined through the charging statistics message of the storage-charging system and / or the discharge statistics message of the electric device, and the fees to be collected are sent to the storage-charging system, so that the fees to be collected of the electric device can be automatically settled. In addition, after the electric device stops supplying electric energy, the fees to be collected are determined through the charging statistics message of the storage-charging system and / or the discharge statistics message of the electric device, thereby ensuring the accuracy of the fee calculation.

[0021] In some embodiments, before transmitting electric energy to the integrated storage and charging system using the charging parameters of the integrated storage and charging system sent by the integrated storage and charging system, the method also includes: after the integrated storage and charging system successfully shakes hands with the electric device, receiving the power transmission parameters sent by the integrated storage and charging system; based on the power transmission parameters, adjusting the parameters corresponding to the electric device and determining whether to prepare to transmit electric energy to the integrated storage and charging system; when it is determined that electric energy is ready to be transmitted to the integrated storage and charging system, generating and sending a readiness message of the electric device to the integrated storage and charging system; receiving the readiness message of the integrated storage and charging system, and determining to send a message to the integrated storage and charging system for characterizing the working status of the battery.

[0022] In an embodiment of the present application, the electric device can adjust the corresponding parameters of the electric device based on the power transmission parameters received from the storage and charging system, and send a readiness message of the electric device to the storage and charging system. After receiving the readiness message from the electric device, the storage and charging system determines that it is ready to receive the electric energy transmitted by the electric device, and sends the readiness message of the storage and charging system to the electric device. After receiving the readiness message from the storage and charging system, the electric device sends a message to the storage and charging system for characterizing the working status of the battery, and enters the stage of transmitting electric energy to the storage and charging system.

[0023] On the other hand, an embodiment of the present application provides a charging control device, which is applied to a storage-charging system, wherein the storage-charging system includes an energy storage device and a charging device, and the device includes: a first sending module, which is used to receive a message sent by the electric device to characterize the working state of the battery after the storage-charging system successfully shakes hands with the electric device, and when it is determined that the working state of the battery is a power transmission state, the charging parameters of the storage-charging system are sent to the electric device; a first receiving module, which is used to receive the electric energy transmitted by the electric device with the charging parameters to transmit the electric energy to the energy storage device or the power grid; the first receiving module is also used to receive the electric energy transmitted by the electric device with the charging parameters to transmit the electric energy to the energy storage device or the power grid; In the process of receiving the electric energy transmitted by the electric device, a battery status message of the electric device sent by the electric device is received; the battery status message includes at least one or more of the following parameters: power transmission status, voltage, temperature, current and charge state; a first determination module is used to determine whether a condition for stopping power transmission is met based on the battery status message; the first determination module is also used to determine the occurrence of a first termination discharge event and generate a termination discharge message of the storage-charging system when it is determined that the condition for stopping power transmission is met, as well as to stop receiving the electric energy transmitted by the electric device and send a termination discharge message of the storage-charging system to the electric device.

[0024] On the other hand, an embodiment of the present application provides a charging control device, which is applied to an electric device, and the device includes: a transmission module, which is used to send a message for characterizing the working status of the battery to the integrated storage and charging system after the storage and charging system successfully shakes hands with the electric device; receives the charging parameters of the integrated storage and charging system sent by the integrated storage and charging system, and transmits electric energy to the integrated storage and charging system with the charging parameters of the integrated storage and charging system sent by the integrated storage and charging system; a second sending module, which is used to send a battery status message to the integrated storage and charging system during the process of transmitting electric energy to the integrated storage and charging system; a second determination module, which is used to determine the occurrence of a second termination discharge event and stop transmitting electric energy to the integrated storage and charging system when receiving a termination discharge message of the storage and charging system sent by the integrated storage and charging system; and a second generation module, which is used to generate and send a discharge statistics message of the electric device to the integrated storage and charging system in response to the second termination discharge event.

[0025] On the other hand, the embodiment of the present application provides a storage-charging integrated system, characterized in that it includes an energy storage device, a charging device and a charging control device; wherein,

[0026] One end of the energy storage device is connected to the DC bus to output the electric energy in the energy storage device to the power grid; the other end of the energy storage device is connected to the charging device to charge the electric device through the charging device and the charging gun; the energy storage device is used to charge the electric device through the charging device, or output the electric energy in the energy storage device to the DC bus;

[0027] The charging device comprises a bidirectional direct current direct current converter (DC / DC) device, one end of which is connected to the charging gun, and the other end of which is connected to the DC bus;

[0028] The charging device is used to transmit the electric energy in the electric device to the energy storage device and / or the power grid through the bidirectional DC / DC device, or to transmit the electric energy of the power grid and / or the electric energy of the energy storage device to the electric device;

[0029] The charging control device is used to receive a message sent by the electric device to characterize the working state of the battery after the integrated storage and charging system and the electric device have successfully shaken hands, and send the charging parameters of the integrated storage and charging system to the electric device when it is determined that the working state of the battery is a power transmission state;

[0030] Controlling the charging device to receive the electric energy delivered by the electric device with the charging parameters, so as to deliver the electric energy to the energy storage device or the power grid;

[0031] In the process of controlling the charging device to receive the electric energy transmitted by the electric device, the charging control device is also used to receive a battery status message of the electric device sent by the electric device; the battery status message includes at least one or more of the following parameters: power transmission status, voltage, temperature, current and charge state; based on the battery status message, determine whether the condition for stopping power transmission is met; when it is determined that the condition for stopping power transmission is met, determine that a first termination discharge event occurs and generate a termination discharge message of the storage-charging system, and stop receiving the electric energy transmitted by the electric device, and send a termination discharge message of the storage-charging system to the electric device.

[0032] On the other hand, an embodiment of the present application provides a computer-readable storage medium having a computer program stored thereon, which implements part or all of the steps in the above method when executed by a controller.

[0033] On the other hand, an embodiment of the present application provides a computer program product, including a computer program or instructions, which implement some or all of the above steps when executed by a controller.

[0034] It should be understood that the above general description and the following detailed description are merely exemplary and explanatory, and are not intended to limit the technical solutions of the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0036] Figure 1 The composition structure of a storage and charging system provided in the embodiment of the present application Figure 1 ;

[0037] Figure 2 The composition structure of a storage and charging system provided in the embodiment of the present application Figure 2 ;

[0038] Figure 3 A schematic diagram of a communication network structure of an energy storage device, a charging device and an electric vehicle provided in an embodiment of the present application;

[0039] Figure 4A schematic diagram of an implementation process of a charging control method provided in an embodiment of the present application Figure 1 ;

[0040] Figure 5 A schematic diagram of an implementation process of a charging control method provided in an embodiment of the present application Figure 2 ;

[0041] Figure 6 A schematic diagram of an implementation process of a charging control method provided in an embodiment of the present application Figure 3 ;

[0042] Figure 7 A schematic diagram of an implementation process of a charging control method provided in an embodiment of the present application Figure 4 ;

[0043] Figure 8 A schematic diagram of an implementation process of a charging control method provided in an embodiment of the present application Figure 5 ;

[0044] Fig. 9 A schematic diagram of an implementation process of a charging control method provided in an embodiment of the present application Figure 6 ;

[0045] Fig.10 A schematic diagram of an implementation flow of a VtoG parameter configuration phase provided in an embodiment of the present application;

[0046] Fig.11 A schematic diagram of a VtoG implementation process provided in an embodiment of the present application;

[0047] Fig.12 A schematic diagram of a VtoG end phase implementation process provided in an embodiment of the present application;

[0048] Fig.13 A schematic diagram of the composition structure of a charging control device provided in an embodiment of the present application Figure 1 ;

[0049] Fig.14 A schematic diagram of the composition structure of a charging control device provided in an embodiment of the present application Figure 2 . DETAILED DESCRIPTION

[0050] In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions of the present application are further elaborated in detail below in conjunction with the drawings and embodiments. The described embodiments should not be regarded as limiting the present application. All other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present application.

[0051] In the following description, reference is made to “some embodiments”, which describe a subset of all possible embodiments, but it will be understood that “some embodiments” may be the same subset or different subsets of all possible embodiments and may be combined with each other without conflict.

[0052] It should be pointed out that the terms "first\second\third" involved in the embodiments of the present application are merely to distinguish similar objects and do not represent a specific ordering of the objects. It can be understood that "first\second\third" can be interchanged in a specific order or sequence where permitted, so that the embodiments of the present application described here can be implemented in an order other than that illustrated or described here.

[0053] It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical terms and scientific terms) used herein have the same meaning as the general understanding of ordinary technicians in the field to which the embodiments of the present application belong. It should also be understood that terms such as those defined in general dictionaries should be understood to have meanings consistent with the meanings in the context of the prior art, and will not be interpreted with idealized or overly formal meanings unless specifically defined as here.

[0054] Battery Management System: (BMS) is a device that monitors the status of energy storage batteries. Its main function is to intelligently manage and maintain each battery unit, prevent overcharging and over-discharging of the battery, extend the battery life, and monitor the battery status.

[0055] With the development of new energy power generation technology, electric equipment transmits electric energy to the integrated storage and charging system, and then the integrated storage and charging system transmits electric energy to the energy storage system or the power grid to achieve effective utilization of electric energy. However, there is currently no interactive solution for the electric equipment to transmit electric energy to the integrated storage and charging system, which includes the integrated storage and charging system and the electric equipment.

[0056] The present application embodiment provides a storage and charging integrated system, such as Figure 1 As shown, it includes an energy storage device 212, a charging device 213 and a charging control device 214; wherein,

[0057] One end of the energy storage device 212 is connected to the DC bus 8 to output the electric energy in the energy storage device 212 to the power grid 10; the other end of the energy storage device 212 is connected to the charging device 213 to charge the electric device 41 through the charging device 213 and the charging gun 31; the energy storage device 212 is used to charge the electric device 41 through the charging device 213, or output the electric energy in the energy storage device 212 to the DC bus 8;

[0058] Here, the energy storage device 212 also includes a battery management system (BMS), where the BMS is responsible for monitoring the status of the batteries in the energy storage device, such as voltage, current, temperature and battery health status.

[0059] The charging device 213 includes a bidirectional DC / DC device, one end of which is connected to the charging gun 31, and the other end of which is connected to the DC bus 8;

[0060] The charging device 213 is used to transmit the electric energy in the electric device 41 to the energy storage device 212 and / or the power grid 10 through the bidirectional DC / DC device, or to transmit the electric energy of the power grid 10 and / or the electric energy of the energy storage device 212 to the electric device 41;

[0061] The charging device 213 also includes a charge control unit (CCU).

[0062] In some embodiments, the electric energy of the DC bus 8 may be converted into AC power and transmitted to the grid 10 by an alternating current direct current converter (AC / DC) device 9, or the electric energy at the grid 10 may be converted into DC power and transmitted to the DC bus 8. In some embodiments, the grid 10 further includes a transformer 7, which is used to perform voltage conversion on the electric energy of the grid 10 and provide electric energy to a load or electric device 41 connected to the grid 10.

[0063] The charging control device 214 is used to receive a message sent by the electric device to characterize the working state of the battery after the integrated storage and charging system and the electric device have successfully shaken hands, and when it is determined that the working state of the battery is a power transmission state, send the charging parameters of the integrated storage and charging system to the electric device; control the charging device to receive the electric energy transmitted by the electric device with the charging parameters, so as to transmit electric energy to the energy storage device or the power grid;

[0064] In the process of controlling the charging device to receive the electric energy transmitted by the electric device, the charging control device is also used to receive a battery status message of the electric device sent by the electric device; the battery status message includes at least one or more of the following parameters: power transmission status, voltage, temperature, current and charge state; based on the battery status message, determine whether the condition for stopping power transmission is met; when it is determined that the condition for stopping power transmission is met, determine that a first termination discharge event occurs and generate a termination discharge message of the storage-charging system, and stop receiving the electric energy transmitted by the electric device, and send a termination discharge message of the storage-charging system to the electric device.

[0065] In some embodiments, the charging control device 214 may be an energy management system (EMS).

[0066] In some embodiments, the charging control device may be independently arranged outside the energy storage device and the charging device in the integrated storage and charging system to control the operation of the integrated storage and charging system. For example, the charging control device may be an EMS. In this case, the EMS may communicate with the BMS in the energy storage device and the CCU in the charging device.

[0067] In other embodiments, the functions implemented by the charging control device can also be integrated with the various sub-modules of the storage-charging system (such as the energy storage device and the charging device) to coordinate the operation of the storage-charging system. For example, the functions implemented by the charging control device are fully or partially integrated in the CCU of the charging device. For example, the functions implemented by the charging control device are fully or partially integrated in the BMS of the energy storage device.

[0068] The following is an introduction to the system structure consisting of a storage-charger system and electric equipment. The electric equipment is an electric vehicle, and the charging device includes a bidirectional DC / DC device. The power of the storage-charger system can reach at least 480kW, supporting fast charging, super charging and slow charging of electric equipment, such as Figure 2 As shown, the system includes N integrated energy storage systems 21 to 2N, where N is an integer greater than 1, and the downstream of the N integrated energy storage systems includes charging guns and electric equipment. The upstream of the N integrated energy storage systems includes a cloud service 12, and the integrated energy storage systems 21 to 2N interact with the cloud service 12, and the cloud service 12 interacts with the monitoring platform 13.

[0069] Taking the integrated storage and charging system 21 as an example, the downstream of the integrated storage and charging system 21 includes a charging gun 31 and an electric device 41, wherein the integrated storage and charging system 21 includes at least a wireless communication device 211, an energy storage device 212, a charging device 213 and a charging control device 214. The energy storage device 212 and the charging device 213 can exchange information, and the wireless communication device 211 communicates with the cloud service 12.

[0070] Among them, the communication architecture of energy storage devices, charging devices and electric vehicles, such as Figure 3 As shown, the charging device and the energy storage device communicate through the Controller Area Network (CAN) communication protocol, the RS485 (a serial communication interface standard released by the American Electronics Industry Association in 1983, a commonly used communication protocol in industrial control environments) communication protocol, and the Ethernet communication protocol, and the charging device and the electric vehicle communicate through the CAN communication protocol.

[0071] The present application provides a charging control method, which is applied to a storage-charging integrated system, wherein the storage-charging integrated system includes an energy storage device and a charging device, such as Figure 4 As shown, the method may include steps S301 to S305:

[0072] Step S301: after the integrated storage and charging system successfully shakes hands with the electric device, the charging parameters of the integrated storage and charging system are sent to the electric device;

[0073] Here, handshake usually refers to the communication protocol exchange process between two devices, which is a process of establishing a connection or authenticating the identities of both parties by exchanging information. Electric devices can be devices that are driven by electric energy to work, for example, electric cars, electric bicycles, electric toys and other electronic devices with power batteries that are powered by electric energy.

[0074] In some embodiments, first, it is determined that a physical connection is established between the storage-and-charging system and the electric vehicle, that is, the charging gun connected to the storage-and-charging system needs to be inserted into the charging port of the electric vehicle; then, the identities of both parties can be authenticated by exchanging their respective information, and after the identity authentication is successful, the handshake between the storage-and-charging system and the electric vehicle is successful.

[0075] Step S302: controlling the charging device to receive the electric energy delivered by the electric device according to the charging parameters, so as to deliver the electric energy to the energy storage device or the power grid;

[0076] Here, charging parameters refer to some allowed charging standards of the storage-charging system when receiving electrical energy, such as charging current and charging power. Energy storage device refers to a device or system for storing energy, which can store excess energy (such as thermal energy, kinetic energy, electrical energy, potential energy, chemical energy, etc.) and release it when needed. Power grid refers to a system composed of transmission lines, substations, distribution stations and user wiring. Electric energy refers to the amount of electrical energy absorbed or emitted by circuit elements or equipment within a certain period of time.

[0077] In some embodiments, after receiving the electric energy transmitted by the electric device, the integrated storage and charging system can transmit the received electric energy to the energy storage device, thereby realizing the charging operation of the energy storage device; it can also transmit the received electric energy to the power grid for use by other electric devices connected to the power grid.

[0078] Step S303: receiving a battery status message of the electric device sent by the electric device during the process of controlling the charging device to receive the electric energy delivered by the electric device;

[0079] The battery status message includes at least one or more of the following parameters: power transmission status, voltage, temperature, current and charge status;

[0080] In some embodiments, when the electric device is an electric car, the power transmission state may be an operating state in which the electric energy in the battery is output to other devices to discharge the battery, for example: a vehicle to grid (VtoG) state or a vehicle to battery (VtoB) state.

[0081] Step S304: determining whether a condition for stopping power transmission is met based on the battery status message;

[0082] In some embodiments, the condition for stopping power transmission may be the amount of electricity received by the integrated storage and charging system, the minimum state of charge (SOC) value of the electric device, or the overvoltage / overtemperature of the battery of the energy storage device, wherein the amount of electricity received by the integrated storage and charging system and the minimum SOC value of the electric device may be set by the user in the human-machine interface of the integrated storage and charging system.

[0083] Step S305: When it is determined that the power transmission stop condition is met, determine that a first termination discharge event occurs and generate a termination discharge message of the storage-charging system, and stop receiving the electric energy transmitted by the electric device, and send a termination discharge message of the storage-charging system to the electric device.

[0084] In some embodiments, when the condition for stopping power transmission includes the amount of power received by the integrated storage-charging system, if the amount of power currently received by the integrated storage-charging system is greater than or equal to the amount of power received by the integrated storage-charging system, it is determined that the condition for stopping power transmission is met; when the condition for stopping power transmission includes the minimum SOC value of the electric device, if the SOC value in the battery status message of the electric device currently received by the integrated storage-charging system is less than or equal to the minimum SOC value of the electric device, it is determined that the condition for stopping power transmission is met; when the condition for stopping power transmission includes overtemperature of the battery of the energy storage device, if the temperature of the energy storage device received by the integrated storage-charging system is greater than a preset temperature threshold of the energy storage device, it is determined that the condition for stopping power transmission is met; when the condition for stopping power transmission includes overvoltage of the battery of the energy storage device, if the voltage of the energy storage device received by the integrated storage-charging system is greater than a preset voltage threshold of the energy storage device, it is determined that the condition for stopping power transmission is met.

[0085] For example, when the condition for stopping power transmission includes the amount of electricity received by the integrated storage and charging system, if the amount of electricity received by the integrated storage and charging system is 80 kilowatt-hours (kW•h) and the amount of electricity received by the integrated storage and charging system is 80kW•h, it is determined that the condition for stopping power transmission is met; when the condition for stopping power transmission includes the minimum SOC value of the electric equipment, if the minimum SOC value of the electric equipment is 30% and the SOC value in the battery status message received by the integrated storage and charging system is 25%, it is determined that the condition for stopping power transmission is met; when the condition for stopping power transmission includes the overtemperature of the battery of the energy storage device, if the temperature threshold of the energy storage device is 80 degrees and the current temperature of the energy storage device is 81 degrees, it is determined that the condition for stopping power transmission is met; when the condition for stopping power transmission includes the overvoltage of the battery of the energy storage device, if the voltage threshold of the energy storage device is 30V and the current voltage of the energy storage device is 35V, it is determined that the condition for stopping power transmission is met.

[0086] In an embodiment of the present application, after the integrated storage and charging system and the electric device have successfully shaken hands, charging parameters are sent to the electric device, and then the electric energy delivered by the electric device with the charging parameters is received. In the process of receiving the electric energy delivered by the electric device, the occurrence of the first termination discharge event can be determined based on the battery status message and the condition for stopping power transmission received from the electric device, and then when the first termination discharge event occurs, the reception of the electric energy delivered by the electric device is stopped. This interactive method between the integrated storage and charging system including the energy storage device and the electric device for the electric device to deliver electric energy to the integrated storage and charging system enables the electric device to deliver electric energy to the energy storage device or the power grid through the integrated storage and charging system, so as to achieve the purpose of effective utilization of electric energy.

[0087] The present application embodiment provides a charging control method, which is applied to a storage-charging integrated system of an energy storage system, such as Figure 5 As shown, the method may include steps S401 to S405:

[0088] Step S401: after the integrated storage and charging system successfully shakes hands with the electric device, the charging parameters of the integrated storage and charging system are sent to the electric device;

[0089] In some embodiments, the implementation of the above step S401 may include step S4011 and step S4012:

[0090] Step S4011: after the integrated storage and charging system successfully shakes hands with the electric device, receiving a message sent by the electric device to characterize the working state of the battery, wherein the working state of the battery includes: power transmission state or charging state;

[0091] Here, the charging state refers to an operating state in which electric energy is input into the battery through an external power source to charge the battery.

[0092] In some implementations, the power transmission state may further be divided into a VtoG state or a VtoB state.

[0093] In some embodiments, if the integrated storage and charging system does not receive the message sent by the electric device to characterize the working status of the battery, it may be that the current integrated storage and charging system and the electric device are in the power transmission state configuration stage, and the implementation can be seen from the following steps S501 to S507; it may also be that the integrated storage and charging system times out, at which time the integrated storage and charging system prompts a power transmission state stage failure alarm.

[0094] Step S4012: When it is determined that the working state of the battery is the power transmission state, the charging parameters of the integrated storage and charging system are sent to the electric device.

[0095] Here, the working state of the battery being in the power transmission state means that the working state of the battery is in the VtoG state or the VtoB state.

[0096] In the above embodiment, when the integrated storage and charging system receives a message indicating that the working state of the battery is the power transmission state, the integrated storage and charging system sends charging parameters to the electric device, so that the electric device can transmit electric energy to the integrated storage and charging system using the charging parameters of the integrated storage and charging system sent by the integrated storage and charging system.

[0097] Step S402: receiving electric energy delivered by the electric device according to the charging parameters to deliver electric energy to the energy storage device or the power grid;

[0098] In some embodiments, if the integrated storage-charging system does not receive the electric energy delivered by the electric device with the charging parameters, the process proceeds to step S4012 to send the charging parameters of the integrated storage-charging system to the electric device.

[0099] Step S403: In response to the first termination discharge event, generate and send a charging statistical message of the storage-charging integrated system to the electric device, and receive a discharge statistical message sent by the electric device; the charging statistical message includes at least one or more of the following: charging power and charging duration; the discharge statistical message includes at least one or more of the following: discharge power and discharge duration;

[0100] Here, the first termination discharge event may be receiving a termination discharge message sent by the electric device, or may be satisfying a condition for stopping power transmission. The charging capacity refers to the electric energy charged by the charging device. The charging duration refers to the time required to reach the charging capacity required by the charging device. The discharge capacity refers to the electric energy output by the electric device. The discharge duration refers to the time required to reach the discharge capacity required by the electric device.

[0101] In some embodiments, if the integrated storage and charging system does not receive the discharge statistics message sent by the electric equipment, it may be that the current integrated storage and charging system is still in the stage of receiving electric energy, and the implementation can be seen in the following steps S401 and S402; it may also be that the integrated storage and charging system times out, at which time the integrated storage and charging system prompts a failure alarm at the end of the power transmission stage.

[0102] Step S404: determining the total amount of electricity delivered by the electric device based on the charging statistics message of the integrated storage and charging system and / or the discharging statistics message of the electric device;

[0103] In some embodiments, the first total power may be determined based on the charging statistics message of the storage-charging system, the first total power is calculated from the perspective of charging the storage-charging system, and the first total power may be understood as the total power charged to the storage-charging system; in some embodiments, the second total power may be determined based on the discharge statistics message of the electric device, the second total power is calculated from the perspective of discharging the electric device, and the second total power may be understood as the total power delivered by the electric device; in some other embodiments, the third total power may be determined based on the charging statistics message of the storage-charging system and the discharge statistics message of the electric device, the third total power is calculated in combination with the charging of the storage-charging system and the discharging of the electric device, for example, when the first total power is equal to the second total power or the difference between the two is within a preset power range, the first total power or the second total power is used as the third total power for settlement; when the first total power is not equal to the second total power or the difference between the two is not within the preset power range, the larger value, or the smaller value, or the average value of the first total power and the second total power is used as the third total power for settlement.

[0104] During implementation, when the total amount of electricity delivered by the electric equipment is determined based on the charging statistical message of the storage-charging integrated system and the discharging statistical message of the electric equipment, if the values ​​of the charging electricity in the charging statistical message (i.e. the first total electricity mentioned above) and the discharging electricity in the discharging statistical message (i.e. the second total electricity mentioned above) are the same or within a preset electricity range, the charging electricity or the discharging electricity can be determined as the total electricity delivered by the electric equipment.

[0105] It should be noted that in the process of transmitting electric energy from the electric device to the storage and charging system, there may be loss of electric energy, that is, the total amount of electricity delivered by the electric device to the storage and charging system (the second total amount) and the total amount of electricity delivered by the electric device and received by the storage and charging system (the first total amount) may be different. Therefore, the value of the charging amount in the charging statistical message and the value of the discharging amount in the discharging statistical message may be different or the difference between the two is not within the preset amount range. At this time, the average of the charging amount and the discharging amount can be determined as the total amount of electricity delivered by the electric device.

[0106] For example, when the total amount of electricity delivered by the electric equipment is determined based on the charging statistical message of the storage-charging integrated system, if the charging amount in the charging statistical message is 20kW•h, then it can be determined that the total amount of electricity delivered by the electric equipment is 20kW•h; or, when the total amount of electricity delivered by the electric equipment is determined based on the discharging statistical message of the electric equipment, if the discharging amount in the discharging statistical message is 30kW•h, then it can be determined that the total amount of electricity delivered by the electric equipment is 30kW•h.

[0107] Alternatively, when the total amount of electricity delivered by the electric equipment is determined based on the charging statistical message of the integrated storage and charging system and the discharging statistical message of the electric equipment, for example, if the charging amount in the charging statistical message is 20kW•h and the discharging amount in the discharging statistical message is 20kW•h, it can be determined that the total amount of electricity delivered by the electric equipment is 20kW•h; for another example, if the charging amount in the charging statistical message is 20kW•h and the discharging amount in the discharging statistical message is 30kW•h, it can be determined that the total amount of electricity delivered by the electric equipment is 25kW•h.

[0108] Step S405: Determine the fee to be paid based on the total amount of electricity delivered by the electric device.

[0109] In some implementations, it is necessary to first determine the electricity price of the integrated storage and charging system during the stage of receiving electric energy, and then determine the fees that the integrated storage and charging system needs to pay.

[0110] For example, if the electricity price during the stage when the storage and charging system receives electricity is 1 yuan and the total amount of electricity delivered by the electric equipment is 20 kW•h, the fee to be paid is 20 yuan.

[0111] It should be noted that after calculating the fees to be paid, the storage and charging system will also send the fees to be paid to the electric equipment, and will also receive the fees to be collected calculated by the electric equipment. The storage and charging system will compare the fees to be paid and the fees to be collected. If the fees to be paid and the fees to be collected are the same, the checkout will be pushed directly. If the fees to be paid and the fees to be collected are different, manual confirmation is required.

[0112] In the embodiment of the present application, after the storage-charging system and the electric device have a successful handshake, the charging parameters are sent to the electric device, and then the electric energy delivered by the electric device with the charging parameters is received. Finally, in response to the first termination discharge event, the fees to be paid are determined based on the generated charging statistics message of the storage-charging system and / or the received discharge statistics message of the electric device, so that the automatic settlement of the charging fees can be achieved after the transmission of electric energy is completed, thereby realizing the automatic push settlement of the charging fees, and then realizing an integrated solution from the connection of the electric device to the storage-charging system to the automatic settlement of fees after the transmission of electric energy is completed. In addition, by comparing the fees to be paid determined by the storage-charging system and the fees to be collected determined by the electric device, the accuracy of the fee calculation can be achieved.

[0113] The present application provides a charging control method, which is applied to a storage-charging integrated system, wherein the storage-charging integrated system includes an energy storage device and a charging device, such as Figure 6 As shown, it may include steps S501 to S507:

[0114] Step S501: after the integrated storage and charging system successfully shakes hands with the electric device, in response to the electric device being in the power transmission mode, configure the power transmission parameters of the integrated storage and charging system; the power transmission parameters include at least one or more of the following: power transmission state, synchronization time, maximum power transmission capacity, and power transmission stop condition;

[0115] Here, the power transmission mode refers to the mode of outputting the power of the battery in the electric device to other devices. Synchronous time refers to the process of adjusting or calibrating the time on the device to ensure that it matches a specific time standard. The maximum power transmission capacity refers to the maximum power value allowed for transmitting power between the storage and charging system and the electric device. The stop transmission condition refers to the condition under which the storage and charging system and the electric device stop receiving power.

[0116] In some implementations, after the integrated storage and charging system and the electric device have successfully shaken hands, the user selects the working mode of the electric device on the human-machine interface of the electric device, wherein the working modes supported by the electric device are the power transmission mode and the charging mode.

[0117] In some implementations, the power transmission parameters may be configured in the human-machine interaction interface of the storage-charging system, wherein when configuring the power transmission state, the power transmission state may be further configured as a VtoG state or a VtoB state.

[0118] Step S502: When the configuration of the power transmission parameters is completed, sending the power transmission parameters to the electric device;

[0119] Here, after the storage and charging system has completed the configuration of the power transmission parameters, it is also necessary to send the power transmission parameters to the electric equipment. After receiving the power transmission parameters, the electric equipment will adjust the values ​​of its corresponding parameters to match the storage and charging system based on the values ​​corresponding to the power transmission parameters sent by the storage and charging system. For example, the electric equipment adjusts the time on the system to be consistent with the synchronization time; the electric equipment sets the power stop transmission conditions of the electric equipment to the system of the electric equipment based on the power stop transmission conditions of the electric equipment included in the received power stop transmission conditions.

[0120] Step S503: determining whether to be ready to receive electric energy transmitted by the electric device based on the electric device readiness message sent by the electric device;

[0121] Here, after receiving the electric device ready message sent by the electric device, the storage and charging system confirms that the electric device is ready to transmit electric energy. Furthermore, it is also necessary to determine whether it is ready to receive the electric energy transmitted by the electric device based on the current operating state of the storage and charging system.

[0122] In some implementations, if the integrated storage and charging machine system does not receive the electric device's readiness message sent by the electric device, it may be that the integrated storage and charging machine system times out. At this time, the integrated storage and charging machine system prompts a transmission status configuration stage failure alarm.

[0123] Step S504: when it is determined that the electric energy transmitted by the electric device is ready to be received, it is determined to wait for receiving a message sent by the electric device to characterize the working state of the battery, and a message indicating that the storage-charging integrated system is ready is sent to the electric device;

[0124] Here, when the integrated storage and charging system determines that it has received the readiness message from the electric device and determines to send the readiness message of the integrated storage and charging system to the electric device, it can be determined that both parties have completed the preparation work, and the integrated storage and charging system can enter the stage of preparing to receive the electric energy transmitted by the electric device.

[0125] In some embodiments, when it is determined that the electric device is not ready to receive the electric energy transmitted by the electric device, a message that the storage and charging system is not ready can be sent to the electric device; or the storage and charging system may time out, at which time the storage and charging system prompts a failure alarm in the power transmission status configuration stage.

[0126] Step S505: receiving a message sent by the electric device to characterize the working state of the battery, wherein the working state of the battery includes: power transmission state or charging state;

[0127] Step S506: When it is determined that the working state of the battery is the power transmission state, the charging parameters of the integrated storage and charging system are sent to the electric device;

[0128] Step S507: Control the charging device to receive the electric energy delivered by the electric device according to the charging parameters, so as to deliver the electric energy to the energy storage device or the power grid.

[0129] In an embodiment of the present application, first, when it is determined that the electric device is in the power transmission mode, the power transmission parameters of the storage and charging system are configured, and then the power transmission parameters of the storage and charging system are sent to the electric device, so that the electric device can adjust the corresponding parameters of the electric device based on the power transmission parameters received from the storage and charging system, and then generate and send a readiness message of the electric device to the storage and charging system when the parameter adjustment is successful, so that after receiving the readiness message of the electric device, the storage and charging system can determine that the electric device is ready to transmit electric energy.

[0130] In some embodiments, in step S501, in response to the electric device being in the power transmission mode, before configuring the power transmission parameters of the storage-charger system, steps S508 to S510 may be included:

[0131] Step S508: After the integrated storage and charging system successfully shakes hands with the electric device, the battery parameters of the electric device sent by the electric device are received; the battery parameters include at least one or more of the following: voltage, temperature, state of charge and working mode; the working mode includes: charging mode or transmission mode;

[0132] Here, the battery parameter may be a parameter used to characterize the current state of the battery of the electric device. SOC, which is used to reflect the remaining capacity of the battery, refers to the ratio of the current remaining charge of the battery to the rated charge. The working mode refers to the action taken in a specific working environment to complete a work task or achieve a goal. In the embodiment of the present application, the working mode may include a charging mode and a power transmission mode, wherein the charging mode refers to the mode in which the battery in the electric device receives electrical energy.

[0133] In some embodiments, if the integrated storage and charging machine system does not receive the battery parameters of the electric device sent by the electric device, it may be that the current integrated storage and charging machine system is still in the handshake stage, or the integrated storage and charging machine system times out. At this time, the integrated storage and charging machine system prompts a failure alarm for the power transmission status configuration stage.

[0134] Step S509: determining whether the battery status of the electric device is normal based on the battery parameters of the electric device;

[0135] In some implementations, whether the current state of the battery of the electric device is normal may be determined based on the battery parameters of the electric device and the thresholds corresponding to each parameter value in the battery parameters.

[0136] For example, if the temperature value in the battery parameter of the current electric device is 90 degrees and the temperature threshold is 80 degrees, it can be determined that the state of the battery of the current electric device is abnormal.

[0137] Step S510: When it is determined that the battery status of the electric device is normal and the value of the working mode is characterized as a power transmission mode, determine to configure the power transmission parameters of the storage-charging integrated system.

[0138] Here, when the value of the working mode of the electric device is characterized as the power transmission mode, and the battery status of the electric device is normal, it is determined that the electric device can support the output of electric energy to other devices, and then the power transmission parameters of the storage and charging system need to be configured so that the storage and charging system supports receiving the electric energy transmitted by the electric device.

[0139] In some implementations, the value of the working mode in the battery parameter may be 0 or 1, where 1 indicates that the working mode is the power transmission mode, and 0 indicates that the working mode is the charging mode.

[0140] For example, if the working mode value is 1, it means that the working mode of the electric device is the power transmission mode; if the working mode value is 0, it means that the working mode of the electric device is the charging mode.

[0141] In some implementations, if the battery status of the electric device is determined to be abnormal, the current process may be directly exited.

[0142] In the above embodiment, when the value of the working mode of the electric device is characterized as the power transmission mode, and the battery status of the electric device is normal, it is determined that the battery of the electric device can support the output of electric energy to other devices. In this way, the power transmission parameters of the storage and charging integrated system can be configured, and the corresponding parameters in the electric device are configured based on the power transmission parameters, so that the charging device can receive the electric energy transmitted by the electric device, thereby realizing the charging of the target charging object.

[0143] In some embodiments, in step S501, in response to the electric device being in the power transmission mode, before configuring the power transmission parameters of the storage-charging system, steps S511 to S516 may also be included:

[0144] Step S511: after the integrated storage and charging system successfully shakes hands with the electric device, receiving the battery parameters of the electric device sent by the electric device; the battery parameters include at least one or more of the following: voltage, temperature, charge and working mode; the working mode includes: charging mode or transmission mode;

[0145] Step S512: determining whether the battery status of the electric device is normal based on the battery parameters of the electric device;

[0146] Step S513: when it is determined that the battery state of the electric device is normal and the value of the working mode is characterized as a charging mode, determining that the electric device is in a charging mode;

[0147] Step S514: In response to the electric device being in a charging mode, determining a target charging mode of the integrated storage-charging system for the electric device; the target charging mode is one of a supercharging mode, a fast charging mode, and a slow charging mode;

[0148] Here, the target charging mode usually refers to the charging method adopted by the electric equipment when charging, which will affect the charging time, battery life, charging efficiency and other aspects. It can include fast charging mode, super charging mode and slow charging mode. Among them, the fast charging mode, super charging mode and slow charging mode are divided based on the charging speed and charging power. Generally speaking, the power of the super charging mode is above 240kW, and the charging speed is the fastest; the power of the fast charging mode is between 40kW and 240kW, and the charging speed is second; the power of the slow charging mode is between 3kW and 7kW, and the charging speed is the slowest.

[0149] In some embodiments, the target charging mode for charging the electric device by the storage-charging system may be determined based on the time when the charging signal is sent, or the selected charging mode may be determined as the target charging mode for charging the electric device by the storage-charging system.

[0150] Step S515: when the target charging mode is not a slow charging mode, determining whether the energy storage device supports charging the electric device according to the target charging mode based on the state of charge value and the remaining energy state value of the energy storage device;

[0151] Here, the state of energy (SOE) is used to reflect the remaining energy of the battery, which refers to the ratio of the current remaining energy of the battery (releasable energy) to the rated energy.

[0152] In some embodiments, the energy storage BMS in the energy storage device can determine the charge state value and the remaining energy state value of the energy storage device, and then send the charge state value and the remaining energy state value of the energy storage device to the storage-charging integrated system through the energy storage BMS.

[0153] It should be noted that when the target charging mode is supercharging mode or fast charging mode, the electric energy received by the electric device is obtained from the energy storage device. Therefore, it is necessary to first determine whether the energy storage device supports charging the electric device in supercharging mode or fast charging mode; when the target charging mode is slow charging, the electric energy received by the electric device is obtained from the power grid. Therefore, the electric device can be charged at the charging rate corresponding to the slow charging mode.

[0154] Step S516: when the energy storage device supports charging the electric device according to the target charging mode, determine to control the charging device to charge the electric device according to the charging rate corresponding to the target charging mode.

[0155] Here, the charge rate is an important indicator to measure the battery charging speed. It indicates the current value required to charge the battery to its rated capacity within a specified time.

[0156] In some embodiments, when the energy storage device does not support charging the electric device according to the target charging mode, a prompt message is output; the prompt message is used to prompt the user that the target charging mode is not supported, and to prompt the user of the charging modes that can be selected.

[0157] In some embodiments, when the target charging mode is the supercharging mode, the charging rate of the integrated storage and charging system is greater than or equal to 4C; when the target charging mode is the fast charging mode, the charging rate of the integrated storage and charging system is less than 4C and greater than or equal to 1C; when the target charging mode is the slow charging mode, the charging rate of the integrated storage and charging system is less than 1C.

[0158] Furthermore, when the target charging mode is the supercharging mode, the integrated storage and charging system charges the electric vehicle at a charging rate greater than or equal to 4C, and the charging time is less than or equal to 15 minutes; when the target charging mode is the fast charging mode, the integrated storage and charging system charges the electric vehicle at a charging rate less than 4C and greater than or equal to 1C, and the charging time is less than or equal to 60 minutes; when the target charging mode is the slow charging mode, the integrated storage and charging system charges the electric vehicle at a charging rate less than 1C, and the charging time is greater than 60 minutes.

[0159] In the above embodiment, first, when the electric device is in the charging mode, the target charging mode is determined, and then, when the target charging mode is not the slow charging mode, based on the current state of charge value and the remaining energy value of the energy storage device, it can be determined whether the energy storage device supports charging the electric device according to the target charging mode. Finally, when it is determined that the energy storage device supports charging the electric device according to the target charging mode, the electric device is charged at a charging rate corresponding to the target charging mode, thereby realizing fast charging of the electric device and improving the charging efficiency of the electric device.

[0160] The present application provides a charging control method, which is applied to a storage-charging integrated system, wherein the storage-charging integrated system includes an energy storage device and a charging device, such as Figure 7 As shown, the method may include steps S601 to S608:

[0161] Steps S601 to S605 correspond to the above-mentioned steps S301 to S305 respectively.

[0162] Step S606: in response to the first termination discharge event, generating and sending a charging statistics message of the storage-charging integrated system to the electric device, and receiving a discharge statistics message sent by the electric device;

[0163] Step S607: determining the total amount of electricity delivered by the electric device based on the charging statistics message of the integrated storage and charging system and / or the discharging statistics message of the electric device;

[0164] Step S608: Determine the fee to be paid based on the total amount of electricity delivered by the electric device.

[0165] In the embodiment of the present application, in response to the first termination discharge event, the fees to be paid are determined based on the generated charging statistics message of the storage-charging system and / or the received discharge statistics message of the electric device, so that the fees to be paid of the storage-charging system can be automatically settled. In addition, after the storage-charging system stops receiving electric energy, the fees to be paid are determined by the charging statistics message of the storage-charging system and / or the discharge statistics message of the electric device, thereby ensuring the accuracy of the fee calculation.

[0166] The present application embodiment provides a charging control method, which is applied to electric equipment, such as Figure 8 As shown, the method may include steps S701 to S704:

[0167] Step S701: after the integrated storage and charging system and the electric device have successfully shaken hands, electric energy is transmitted to the integrated storage and charging system according to the charging parameters of the integrated storage and charging system sent by the integrated storage and charging system;

[0168] For example, when the charging parameters include charging current, if the charging current is 20A, the output current value of the electric device is less than or equal to 20A; when the charging parameters include charging power, if the charging power is 10W, the output power of the electric device is less than or equal to 10W; when the charging parameters include charging power and charging current, if the charging current is 15A and the charging power is 15W, the output current value of the electric device is less than or equal to 15A, and the output power is less than or equal to 15W.

[0169] Step S702: in the process of transmitting electric energy to the integrated storage and charging system, sending a battery status message to the integrated storage and charging system;

[0170] Step S703: upon receiving a termination discharge message of the storage-charging system sent by the storage-charging system, determining that a second termination discharge event occurs, and stopping supplying electric energy to the storage-charging system;

[0171] Here, the storage-charging system determines whether the conditions for stopping power transmission are met based on the received battery status message. If it is determined that the conditions for stopping power transmission are met, it generates a termination discharge message for the storage-charging system and sends the termination discharge message for the storage-charging system to the electric device.

[0172] Step S704: In response to the second discharge termination event, a discharge statistics message of the electric device is generated and sent to the integrated storage and charging system.

[0173] Here, in response to the second termination discharge event, a discharge statistics message of the electric device is generated and sent to the storage-charging system, wherein the second termination discharge event can be receiving a termination discharge message of the storage-charging system sent by the storage-charging system, or it can be satisfying the condition for terminating the power transmission of the electric device.

[0174] In an embodiment of the present application, after the storage-charging system and the electric device successfully shake hands, electric energy is transmitted to the storage-charging system using the charging parameters of the storage-charging system sent by the storage-charging system. Then, in the process of transmitting electric energy to the storage-charging system, based on the received termination discharge message of the storage-charging system sent by the storage-charging system, it is determined that a second termination discharge event has occurred. In this way, the transmission of electric energy to the storage-charging system can be stopped.

[0175] The present application embodiment provides a charging control method, which is applied to electric equipment, such as Fig. 9As shown, the method may include steps S801 to S807, wherein steps S801 to S804 correspond to the above steps S701 to S704. After stopping charging, the method may further include steps S805 to S807, wherein:

[0176] Step S805: receiving a charging statistics message sent by the storage-charging integrated system;

[0177] In some embodiments, if the electric device does not receive the charging statistics message sent by the integrated storage and charging system, it may be that the current integrated storage and charging system has not yet sent a discharge statistics message to the integrated storage and charging system; it may also be that the integrated storage and charging system times out, at which time the electric device prompts a failure alarm at the end of the power transmission stage.

[0178] Step S851: in the process of transmitting electric energy to the electric device, determining whether a condition for terminating the transmission of electric energy to the electric device is met based on a battery status parameter of the electric device;

[0179] In some embodiments, the condition for terminating the transmission of electric energy by the electric device may be the amount of electricity transmitted by the electric device, the minimum SOC value of the electric device, or the undervoltage / overtemperature of the battery of the electric device, wherein the amount of electricity received by the integrated storage and charging system and the minimum SOC value of the electric device may be determined by the power transmission parameters sent by the integrated storage and charging system.

[0180] Step S852: When it is determined that the conditions for terminating the transmission of electric energy to the electric device are met, determine that a second termination discharge event has occurred and generate a termination discharge message for the electric device, and stop transmitting electric energy to the integrated storage and charging system, and send a termination discharge message of the integrated storage and charging system to the electric device.

[0181] In some embodiments, when the condition for terminating power delivery of the electric device includes the amount of power delivered by the electric device, if the amount of power currently delivered by the electric device is greater than or equal to the amount of power delivered by the electric device, it is determined that the condition for terminating power delivery of the electric device is met; when the condition for terminating power delivery of the electric device includes the minimum SOC value of the electric device, if the SOC value in the battery status parameter of the current electric device is greater than or equal to the minimum SOC value of the electric device, it is determined that the condition for terminating power delivery of the electric device is met; when the condition for terminating power delivery of the electric device includes overtemperature of the battery of the electric device, if the temperature of the electric device is greater than a preset temperature threshold of the electric device, it is determined that the condition for terminating power delivery of the electric device is met; when the condition for terminating power delivery of the electric device includes battery undervoltage, if the voltage of the electric device is less than a preset voltage threshold of the electric device, it is determined that the condition for terminating power delivery of the electric device is met.

[0182] For example, when the condition for terminating electric energy delivery of the electric device includes the amount of electricity delivered by the electric device, if the amount of electricity delivered by the electric device is 80kW•h and the amount of electricity already delivered by the electric device is 80kW•h, it is determined that the condition for terminating electric energy delivery of the electric device is met; when the condition for terminating electric energy delivery of the electric device includes the minimum SOC value of the electric device, if the minimum SOC value of the electric device is 30% and the SOC value detected by the electric device is 25%, it is determined that the condition for terminating electric energy delivery of the electric device is met; when the condition for terminating electric energy delivery of the electric device includes the overtemperature of the battery of the electric device, if the temperature threshold of the electric device is 80 degrees and the current temperature of the electric device is 81 degrees, it is determined that the condition for terminating electric energy delivery of the electric device is met; when the condition for terminating electric energy delivery of the electric device includes the undervoltage of the battery of the electric device, if the voltage threshold of the electric device is 30V and the current voltage of the electric device is 20V, it is determined that the condition for terminating electric energy delivery of the electric device is met.

[0183] Step S806: determining the total amount of electricity delivered by the electric device based on the charging statistics message sent by the integrated storage and charging system and / or the discharging statistics message of the electric device;

[0184] Step S807: Determine the fee to be charged based on the total amount of electricity delivered by the electric device.

[0185] In some implementations, it is necessary to first determine the electricity price of the electric device during the electric energy output stage, and then determine the fee that the electric device needs to charge.

[0186] For example, if the price of electricity during the stage when the electric device receives electric energy is 1 yuan and the total amount of electricity delivered by the electric device is 20 kW•h, the fee to be collected is 20 yuan.

[0187] In the embodiment of the present application, after the storage-charging system and the electric device have successfully shaken hands, the storage-charging system is supplied with electric energy using the charging parameters of the storage-charging system sent by the storage-charging system. Then, the fees to be collected are determined through the charging statistics message of the storage-charging system and / or the discharge statistics message of the electric device, thereby realizing an integrated solution for automatically settling fees after the electric device and the storage-charging system are connected to complete the transmission of electric energy. In addition, after the electric device stops transmitting electric energy, the fees to be collected are determined through the charging statistics message of the storage-charging system and / or the discharge statistics message of the electric device, thereby ensuring the accuracy of the fee calculation.

[0188] In some embodiments, in step S701, before transmitting electric energy to the integrated storage-charging system using the charging parameters of the integrated storage-charging system sent by the integrated storage-charging system, steps S11 to S14 are also included:

[0189] Step S11: after the integrated storage and charging system successfully shakes hands with the electric device, receiving the power transmission parameters sent by the integrated storage and charging system;

[0190] In some implementations, if the electric device does not receive the power transmission parameters sent by the integrated storage and charging system, it may be that the electric device times out, and the electric device then prompts a power transmission status configuration stage failure alarm.

[0191] Step S12: Based on the power transmission parameters, adjusting the parameters corresponding to the electric device and determining whether to prepare to transmit electric energy to the integrated storage and charging system;

[0192] Here, after receiving the power transmission parameters of the integrated storage and charging system, the electric equipment will adjust its own discharge parameters to match the integrated storage and charging system based on the power transmission parameter values ​​sent by the integrated storage and charging system.

[0193] In some embodiments, when the power transmission parameters include synchronization time, the electric device will adjust its own device time to be consistent with the synchronization time of the storage-charging system, which helps to make the timestamp in the message more referenceable. In the case where the power transmission parameters include conditions for stopping power transmission, if the conditions for stopping power transmission include the amount of power received by the storage-charging system, the electric device can set the output power value in the conditions for terminating power transmission of the electric device to be consistent with the amount of power received by the storage-charging system in the power transmission parameters. If the conditions for stopping power transmission include the minimum SOC value of the electric device, the electric device can set the SOC threshold in the conditions for terminating power transmission of the electric device to be consistent with the minimum SOC value of the electric device in the power transmission parameters. If the conditions for stopping power transmission include the minimum SOC value of the electric device and the amount of power received by the storage-charging system, the electric device can set the output power value in the conditions for terminating power transmission of the electric device to be consistent with the amount of power received by the storage-charging system in the power transmission parameters, and the SOC threshold to be consistent with the minimum SOC value of the electric device in the power transmission parameters.

[0194] For example, when the power transmission parameters include the synchronization time, and the synchronization time in the power transmission parameters is 16:00, the electric device will check its current device time. If it is 16:00, the current time will remain unchanged. If it is 16:15, the device time will be modified to 16:00. When the power transmission parameters include the conditions for stopping power transmission, if the amount of power received by the storage and charging system in the conditions for stopping power transmission is 50kW•h, the electric device can set the output power value in the conditions for terminating power transmission of the electric device to 50kW•h. If the minimum SOC value of the electric device in the conditions for stopping power transmission is 20%, the electric device can set the SOC threshold of the conditions for terminating power transmission of the electric device to 20%. If the minimum SOC value of the electric device in the conditions for stopping power transmission is 20% and the output power value is 50kW•h, the electric device can set the SOC threshold of the conditions for terminating power transmission of the electric device to 20% and the output power value to 50kW•h.

[0195] Here, during the process of adjusting the parameters corresponding to the power transmission parameters by the electric equipment, it will be simultaneously evaluated whether it is possible to support the discharge of the storage-charging system according to the values ​​corresponding to the power transmission parameters.

[0196] In some embodiments, when the power transmission parameters include a condition for stopping power transmission, if the condition for stopping power transmission includes the amount of power received by the integrated storage and charging system, the electric device determines whether the conditions for discharging the integrated storage and charging system are met based on the amount of power received by the integrated storage and charging system and the current amount of power of the electric device.

[0197] For example, if the amount of electricity received by the integrated storage and charging system in the power transmission stop condition is 90kW•h, and the current amount of electricity of the electric device is 50kW•h, it is determined that the integrated storage and charging system is not satisfied for discharge. Alternatively, if the amount of electricity received by the integrated storage and charging system in the power transmission stop cut-off condition is 90kW•h, and the current amount of electricity of the electric device is 100kW•h, it is determined that the integrated storage and charging system is satisfied for discharge.

[0198] Step S13: when it is determined that electric energy is to be delivered to the integrated storage-charging system, a message indicating that the electric device is ready is generated and sent to the integrated storage-charging system;

[0199] Here, when the electric device completes the adjustment of the parameters corresponding to the power transmission parameters and determines that it is ready to transmit electric energy to the integrated storage and charging system, it can be determined that the integrated storage and charging system can transmit electric energy to the electric device, then a message indicating that the electric device is ready will be generated and sent to the integrated storage and charging system.

[0200] In some embodiments, when it is determined that the integrated storage and charging system is not ready to transmit electric energy, a message that the electric device is not ready can be sent to the electric device; or the electric device may time out, in which case the electric device prompts an alarm that the power transmission status configuration stage has failed.

[0201] Step S14: receiving a readiness message of the integrated storage-charging system, and determining to send a message to the integrated storage-charging system for characterizing the working state of the battery.

[0202] Here, when the electric device determines that it has received the readiness message from the storage and charging system and determines to send the readiness message of the electric device to the storage and charging system, it can be determined that both parties have completed the preparation work and the electric device can enter the stage of preparing to transmit electric energy to the storage and charging system.

[0203] In the above embodiment, the electric device can adjust the corresponding parameters of the electric device based on the power transmission parameters received from the storage and charging system, and send a readiness message of the electric device to the storage and charging system. After receiving the readiness message of the electric device, the storage and charging system determines that it is ready to receive the electric energy transmitted by the electric device, and sends the readiness message of the storage and charging system to the electric device. After receiving the readiness message of the storage and charging system, the electric device sends a message to the storage and charging system for characterizing the working status of the battery, and enters the stage of transmitting electric energy to the storage and charging system.

[0204] The present application embodiment provides a charging control method, which is applied to an electric device. The method may include steps S21 to S23:

[0205] Step S21: receiving a charging statistics message sent by the storage-charging integrated system;

[0206] Here, after step S702, the storage-charging system determines whether the conditions for stopping power transmission are met based on the received battery status message, and generates a termination discharge message of the storage-charging system if the conditions for stopping power transmission are met, and sends the termination discharge message of the storage-charging system to the electric device. After stopping charging, a charging statistics message sent by the storage-charging system may also be received.

[0207] Step S22: determining the total amount of electricity delivered by the electric device based on the charging statistics message sent by the integrated storage and charging system and / or the discharging statistics message of the electric device;

[0208] Step S23: Determine the fee to be charged based on the total amount of electricity delivered by the electric device.

[0209] In the embodiment of the present application, after the storage-charging system and the electric device have successfully shaken hands, the storage-charging system is supplied with electric energy using the charging parameters of the storage-charging system sent by the storage-charging system, and then the fees to be collected are determined through the charging statistics message of the storage-charging system and / or the discharge statistics message of the electric device, so that the fees to be collected of the electric device can be automatically settled. In addition, after the electric device stops supplying electric energy, the fees to be collected are determined through the charging statistics message of the storage-charging system and / or the discharge statistics message of the electric device, thereby ensuring the accuracy of the fee calculation.

[0210] The above charging control method is explained below in conjunction with an embodiment. For ease of understanding, an electric vehicle is taken as an example as a specific electric device to explain the charging control method in the VtoG state. The charging power of the storage and charging integrated system can reach at least 480kW, supporting fast charging or super charging of electric equipment. However, it is worth noting that this embodiment is only for better illustrating the present application and does not constitute an improper limitation on the present application.

[0211] The embodiment of the present application provides an overall technical solution of a VtoG charging control method, such as Fig.10 , Fig.11 and Fig.12 As shown, schematic diagrams of the implementation of the VtoG parameter configuration phase, the VtoG phase and the VtoG end phase are provided respectively.

[0212] 1. VtoG parameter configuration stage;

[0213] like Fig.10 As shown, the implementation of the VtoG parameter configuration phase may include steps S901 to S919:

[0214] Step S901: The charging gun is plugged in and the physical connection is completed. The handshake between the storage and charging system and the electric vehicle is completed;

[0215] Here, the charging gun connected to the storage and charging system is inserted into the charging port of the electric vehicle to complete the physical connection between the storage and charging system and the electric vehicle. After the physical connection, the handshake phase begins, during which the storage and charging system and the electric vehicle perform authentication, connect the communication channel between the storage and charging system and the electric vehicle, and confirm that the communication function is normal.

[0216] It should be noted that the BMS in the electric vehicle communicates with the integrated storage and charging system. In the subsequent description, the steps are described based on the BMS.

[0217] Step S902: The BMS sends a battery parameter message to the storage-charging integrated system;

[0218] Here, battery parameters may include voltage, temperature, state of charge, and power transmission mode / charging mode, etc. These parameters can be directly obtained through the BMS.

[0219] It should be noted that if the current working state of the BMS is the power transmission mode, the message will also output the next level of content of the power transmission mode, such as VtoG mode and VtoB mode.

[0220] Step S903: the storage-charging integrated machine system confirms whether the battery parameter message of the electric vehicle is received;

[0221] Here, when it is (Y), the process proceeds to step S905 to determine whether the electric vehicle is in VtoG mode; when it is not (N), the process proceeds to step S904, and the storage-charging system sends to the BMS and is still in the handshake stage.

[0222] In some implementations, if the integrated storage and charging machine system does not receive the battery parameter message, there is also a situation where the integrated storage and charging machine system response times out. At this time, the process goes to step S918, and the integrated storage and charging machine system prompts a VtoG parameter configuration failure alarm.

[0223] Step S904: the storage-charging integrated machine system sends a message to the BMS that it is still in the handshake stage;

[0224] Step S905: the storage-charging integrated system determines whether the electric vehicle is in the VtoG mode;

[0225] Here, if the answer is yes (Y), the process proceeds to step S907, and the integrated storage-charging system configures the VtoG parameters; if the answer is no (N), the process proceeds to step S906, and the integrated storage-charging system enters the charging mode.

[0226] It should be noted that before the storage and charging integrated system determines whether the electric vehicle is in VtoG mode, it is also necessary to determine whether the battery status of the electric vehicle is normal based on the received battery parameters of the electric vehicle; when the battery status of the electric vehicle is normal, the VtoG mode is determined.

[0227] In some embodiments, there is a field in the battery parameter message of the electric vehicle that can characterize whether the electric vehicle is in transmission mode or charging mode. When the value of the field is characterized as transmission mode, it is determined that the electric vehicle is in transmission mode. When the value of the field is characterized as charging mode, it is determined that the electric vehicle is in charging mode.

[0228] Furthermore, when the value of the field is characterized as a power transmission mode, the message will also output the type of power transmission mode that the electric vehicle is in at the moment. When the power transmission mode type is characterized as a VtoG mode, it is determined that the electric vehicle is in the VtoG mode.

[0229] Step S906: the storage-charging integrated system enters charging mode;

[0230] Here, when the integrated storage and charging system enters the charging mode, first, based on the selection of the target charging mode, when the target charging mode is not the slow charging mode, the charge state and the remaining energy state value of the energy storage device are obtained; then, based on the charge state value and the energy state value, it is determined whether the energy storage device supports charging the electric vehicle according to the target charging mode; finally, when it is determined that the energy storage device supports charging the electric vehicle according to the target charging mode, the electric vehicle is charged according to the discharge rate corresponding to the target charging mode.

[0231] It should be noted that the target charging mode is one of the supercharging mode, the fast charging mode and the slow charging mode, and in the case of the supercharging mode or the slow charging mode, it is necessary to determine whether the energy storage device supports charging the electric vehicle according to the target charging mode. When the target charging mode is the slow charging mode, the electric device can be charged at the charging rate corresponding to the slow charging mode.

[0232] Step S907: The storage-charging integrated machine system configures VtoG parameters;

[0233] Here, the VtoG parameters include at least VtoG mode, synchronization time, VtoG maximum output capability, and VtoG cutoff condition.

[0234] It should be noted that after determining that the electric vehicle is in VtoG mode, the storage and charging system needs to configure its own working mode to VtoG mode so as to work in coordination with the electric vehicle.

[0235] Step S908: the storage-charging integrated system sends the VtoG parameter to the BMS;

[0236] Step S909: The BMS determines whether it has received the VtoG parameter sent by the storage-charging integrated system;

[0237] Here, if the answer is yes (Y), the process goes to step S910, and the BMS determines whether the electric vehicle can be discharged; if the answer is no (N), the process goes to step S902, and a battery parameter message is sent to the integrated storage and charging system.

[0238] In some implementations, if the BMS does not receive the VtoG parameters sent by the integrated storage and charging system, there is also a situation where the BMS system response times out. In this case, the process goes to step S918, and the BMS prompts a VtoG parameter configuration failure alarm.

[0239] Step S910: The BMS determines whether the electric vehicle can be discharged;

[0240] Here, the BMS adjusts its own discharge parameters based on the received VtoG parameters to match the VtoG parameters of the storage and charging system, and also determines whether it is capable of discharging the electric vehicle.

[0241] If yes (Y), the process goes to step S912, and the BMS sends a ready message to the storage-charging system; if no (N), the process goes to step S911, and the BMS sends a BMS not ready message to the storage-charging system.

[0242] Step S911: The BMS sends a BMS not ready message to the storage-charging integrated system;

[0243] Here, when the BMS determines that it supports discharging of the electric vehicle, if the BMS has not completed adjusting its own discharge parameters, it will send a BMS not ready message to the storage and charging system.

[0244] Step S912: The BMS sends a BMS ready message to the storage-charging integrated system;

[0245] Here, when the BMS determines that it supports discharging of the electric vehicle, if the BMS has completed adjusting its own discharge parameters, it will send a BMS ready message to the storage and charging system.

[0246] Step S913: Whether the storage-charging integrated system receives the ready message sent by the BMS;

[0247] Here, if the answer is yes (Y), the process goes to step S914, and the integrated storage and charging system determines whether it is ready for VtoG; if the answer is no (N), the process goes to step S908, and the integrated storage and charging system sends VtoG parameters to the BMS.

[0248] In some embodiments, if the integrated storage and charging system does not receive the ready message sent by the BMS, there is also a situation where the integrated storage and charging system response times out. At this time, the process goes to step S918, and the integrated storage and charging system prompts a VtoG parameter configuration failure alarm.

[0249] Step S914: the storage-charging integrated machine system determines whether it is ready for VtoG;

[0250] Here, if the answer is (Y), the process proceeds to step S916, and the integrated storage-charging system sends a message that the integrated storage-charging system is ready to the BMS; if the answer is (N), the process proceeds to step S915, and the integrated storage-charging system sends a message that the integrated storage-charging system is not ready to the BMS.

[0251] Step S915: the integrated storage and charging system sends a message to the BMS indicating that the integrated storage and charging system is not ready;

[0252] Here, when the integrated storage-charging system determines that it cannot receive the electric energy transmitted by the electric vehicle, a message indicating that the integrated storage-charging system is not ready is sent to the BMS.

[0253] Step S916: the integrated storage and charging system sends a storage and charging system readiness message to the BMS and enters the VtoG phase;

[0254] Here, when the integrated storage and charging system determines that it can receive the electric energy transmitted by the electric vehicle, it sends a message that the integrated storage and charging system is ready to the BMS, and enters step S919 at the same time, and the integrated storage and charging system enters the VtoG stage.

[0255] Step S917: Whether the BMS receives the ready message sent by the storage-charging integrated system;

[0256] Here, if it is (Y), the process goes to step S919 and the BMS enters the VtoG stage; if it is (N), the process goes to step S912 and the BMS sends a BMS ready message to the integrated storage and charging system.

[0257] In some implementations, if the BMS does not receive the ready message sent by the integrated storage and charging system, there is also a situation where the BMS system response times out. At this time, the process goes to step S918, and the BMS prompts a VtoG parameter configuration failure alarm.

[0258] Step S918: Prompt a VtoG parameter configuration failure alarm;

[0259] Step S919: VtoG stage.

[0260] 2. VtoG Stage

[0261] like Fig.11 As shown, the implementation of the VtoG phase may include steps S1001 to S1014:

[0262] Step S1001: BMS sends a message of battery discharge status and battery discharge requirement to the storage-charging integrated system;

[0263] Step S1002: Whether the integrated storage and charging system receives the battery discharge status and battery discharge requirement message sent by the BMS;

[0264] Here, the total discharge state is used to characterize the working state of the battery, where the working state of the battery includes the power transmission state or the charging state. After receiving the total battery discharge state and battery discharge demand message, the storage-charging system confirms that it is ready to receive the power transmitted by the storage-charging system.

[0265] If the answer is no (N), the process goes to step S1003, and the integrated storage and charging system sends a message to the BMS indicating that the system is still in the VtoG parameter configuration stage; if the answer is yes (Y), the process goes to step S1004, and the integrated storage and charging system sends a message to the BMS indicating that the system is in the VtoG parameter configuration stage;

[0266] In some implementations, the battery total discharge status and battery discharge requirement message may be sent in one message, or may be sent separately in two messages.

[0267] In some embodiments, if the integrated storage and charging system does not receive the battery discharge status and battery discharge demand message sent by the BMS, there is also a situation where the integrated storage and charging system responds timeout. At this time, it will enter step S1013, and the integrated storage and charging system prompts a VtoG stage failure alarm.

[0268] Step S1003: the storage-charging integrated machine system sends a message to the BMS that it is still in the VtoG parameter configuration stage;

[0269] Here, the implementation of the VtoG parameter configuration phase may refer to step S901 to step S919.

[0270] Step S1004: the integrated storage and charging system sends a status message of the integrated storage and charging system to the BMS;

[0271] Here, the status message of the integrated storage-charging system includes at least the allowed charging current and the allowed charging power.

[0272] Step S1005: Whether the BMS receives the status message sent by the storage-charging integrated machine system;

[0273] Here, after receiving the status message of the storage-charging system, the BMS can transmit electric energy based on the parameter values ​​in the status message.

[0274] If yes (Y), the process goes to step S1006, and the BMS sends the battery total discharge status, voltage, temperature, current, SOC, etc. to the storage-charging system; if no, the process goes to step S1001, and the BMS sends the battery total discharge status and battery discharge requirement message to the storage-charging system;

[0275] In some implementations, if the BMS does not receive the status message sent by the storage-charging integrated machine system, there is also a situation where the BMS system response times out. In this case, the process goes to step S1013, and the BMS prompts a VtoG stage failure alarm.

[0276] Step S1006: BMS sends the battery discharge status, voltage, temperature, current, SOC, etc. to the storage-charging integrated system;

[0277] Here, the BMS monitors the battery's overall discharge status, voltage, temperature, current, SOC and other parameter data in real time, and sends it to the storage and charging system.

[0278] Step S1007: The BMS determines whether the discharge of the electric vehicle has reached the BMS cut-off condition or whether it has received a discharge termination message sent by the storage-charging integrated system;

[0279] Here, the battery status data of the electric vehicle is compared with the BMS cut-off condition to determine whether the BMS cut-off condition is met, and if it is determined that the BMS cut-off condition is met, it is determined to stop discharging. Alternatively, it is determined to stop discharging when a termination discharge message of the storage-charging system sent by the storage-charging system is received.

[0280] In some embodiments, the BMS cut-off condition may include a protection cut-off condition such as over-temperature / under-voltage of the electric vehicle battery.

[0281] If the answer is no (N), the process goes to step S1006, and the BMS sends the battery discharge status, voltage, temperature, current, SOC, etc. to the storage-charging system; if the answer is yes (Y), the process goes to step S1008, and the BMS sends a BMS discharge termination message to the storage-charging system.

[0282] Step S1008: The BMS sends a BMS discharge termination message to the storage-charging integrated system;

[0283] Here, it is based on the judgment of the BMS cut-off condition in step S1007, wherein, when it is judged that the BMS cut-off condition is met, the BMS sends a BMS discharge termination message to the storage-charging integrated system.

[0284] Step S1009: the integrated storage-charging system determines whether the integrated storage-charging system has reached the integrated storage-charging system cut-off condition or whether it has received a discharge termination message sent by the BMS;

[0285] Here, the status data sent in S1006 is compared with the cut-off condition of the storage-charging system to determine whether the cut-off condition of the storage-charging system is met. If the cut-off condition of the storage-charging system is met, charging is stopped. Alternatively, charging is stopped when a BMS termination discharge message sent by the BMS is received.

[0286] In some embodiments, the cut-off condition of the integrated storage and charging system may include VtoG power, or the minimum SOC value of the electric vehicle, or overtemperature / overvoltage of the battery of the energy storage device, etc., wherein the VtoG power and the minimum SOC value of the electric vehicle are thresholds input by the user in the human-computer interaction interface of the integrated storage and charging system. The VtoG power can be understood as the power transmitted by the electric vehicle to the integrated storage and charging system.

[0287] If the answer is no (N), the process goes to step S1004 , where the integrated storage-charging system sends a status message of the integrated storage-charging system to the BMS; if the answer is yes (Y), the process goes to step S1010 , where the integrated storage-charging system sends a message of terminating discharge of the integrated storage-charging system to the BMS.

[0288] Step S1010: the integrated storage-charging system sends a discharge termination message of the integrated storage-charging system to the BMS;

[0289] Here, the cut-off condition of the integrated storage-charging system is judged based on step S1009, wherein, when it is judged that the cut-off condition of the integrated storage-charging system is met, the integrated storage-charging system sends a termination discharge message of the integrated storage-charging system to the BMS.

[0290] It should be noted that after reaching the cut-off condition, the BMS sends a 0 power request to the storage-charging system. At this time, there is no current. Theoretically, the discharge has ended, but the VtoG stage has not been exited, so a termination message is needed to exit the discharge end stage.

[0291] Step S1011: Whether the BMS receives the discharge termination message sent by the storage-charging integrated system;

[0292] Here, the explanation is based on step S1010, where the integrated storage and charging system sends a message to terminate the discharge of the integrated storage and charging system to the BMS. When the answer is no (N), the process proceeds to step S1008, where the BMS sends a message to terminate the discharge of the integrated storage and charging system; when the answer is yes (Y), the process proceeds to step S1014, and the VtoG end stage is entered.

[0293] In some implementations, if the BMS does not receive the discharge termination message sent by the integrated storage and charging system, there is also a situation where the BMS system response times out. At this time, the process goes to step S1013, and the BMS prompts a VtoG stage failure alarm.

[0294] Step S1012: Whether the integrated storage and charging system receives the discharge suspension message sent by the BMS;

[0295] Here, the explanation is based on step S1008, in which the BMS sends a BMS discharge termination message to the integrated storage and charging system. If not (N), the process proceeds to step S1010, in which the integrated storage and charging system sends a discharge termination message to the BMS; if yes (Y), the process proceeds to step S1014, entering the VtoG end stage.

[0296] In some embodiments, if the integrated storage and charging system does not receive the discharge termination message sent by the BMS, there is also a situation where the integrated storage and charging system responds timeout. At this time, the system will enter step S1013 and prompt a VtoG stage failure alarm.

[0297] Step S1013: Prompt a VtoG stage failure alarm;

[0298] Step S1014: VtoG end stage.

[0299] 3. VtoG Ending Stage

[0300] like Fig.12 As shown, the implementation of the VtoG phase may include steps S1101 to S1106:

[0301] Step S1101: The BMS sends a BMS discharge statistics message to the storage-charging integrated system;

[0302] Here, after the VtoG phase ends, the BMS generates a BMS discharge statistics message and sends the BMS discharge statistics message to the storage-charging integrated system.

[0303] Step S1102: Whether the integrated storage and charging system receives the discharge statistics message sent by the BMS;

[0304] Here, if no (N), the process goes to step S1103, and the integrated storage and charging system sends a message to the BMS indicating that it is still in the VtoG stage; if yes (Y), the process goes to step S1104, and the integrated storage and charging system sends a charging statistics message of the integrated storage and charging system to the electric vehicle BMS.

[0305] In some embodiments, if the integrated storage and charging system does not receive the discharge statistics message sent by the BMS, there is also a situation where the integrated storage and charging system responds timeout. At this time, the system will enter step S1106, and the integrated storage and charging system will prompt a VtoG end stage failure alarm.

[0306] Step S1103: the storage-charging integrated machine system sends a message to the BMS that it is still in the VtoG stage;

[0307] Here, the implementation of the VtoG stage is specifically described in steps S1001 to S1014.

[0308] Step S1104: the integrated storage and charging system sends a charging statistics message of the integrated storage and charging system to the electric vehicle BMS;

[0309] Here, when the integrated storage-charging system determines that it has received the BMS discharge statistics message sent by the BMS, it will determine the fees to be paid based on the generated charging statistics message of the integrated storage-charging system and the BMS discharge statistics message.

[0310] Step S1105: Whether the BMS receives the charging statistics message sent by the storage-charging integrated system;

[0311] Here, if the answer is no (N), the process goes to step S1101, and the BMS sends the BMS discharge statistics message to the storage-charging system; if the answer is yes (Y), the process ends. After receiving the statistics message of the storage-charging system sent by the storage-charging system, the BMS determines the fee to be charged based on the charging statistics message of the storage-charging system and the BMS discharge statistics message.

[0312] Step S1106: Prompt a VtoG end phase failure alarm.

[0313] It should be noted that the fees to be paid determined by the integrated storage and charging system and the fees to be collected determined by the BMS are generally the same. This method of calculating twice can improve the accuracy of the fee calculation. If the fees are different, it means that there is a problem with the fee calculation, and relevant personnel need to confirm before payment settlement.

[0314] In some implementations, if the BMS does not receive the charging statistics message sent by the storage-charging integrated system, there is also a situation where the BMS system response times out. At this time, the process goes to step S1106, prompting a VtoG end stage failure alarm.

[0315] Based on the foregoing embodiments, an embodiment of the present application provides a schematic diagram of the composition structure of a charging control device, which includes the modules included and the units included in the modules, and can be implemented by a controller in a charging control device (such as a storage-charging integrated system or an electric vehicle); of course, it can also be implemented by a specific logic circuit; in the implementation process, the controller can be a central processing unit (CPU), a microprocessor (MPU), a digital signal processor (DSP) or a field programmable gate array (FPGA), etc.

[0316] A schematic diagram of the composition structure of a charging control device provided in an embodiment of the present application is applied to a storage-charging integrated system, wherein the storage-charging integrated system includes an energy storage device and a charging device, such as Fig.13 As shown, the device 1200 includes:

[0317] The first sending module 1201 is used to send the charging parameters of the integrated storage and charging system to the electric device after the integrated storage and charging system and the electric device have successfully shaken hands;

[0318] A first receiving module 1202 is used to control the charging device to receive the electric energy delivered by the electric device with the charging parameters, so as to deliver the electric energy to the energy storage device or the power grid;

[0319] The first receiving module 1202 is further used to receive a battery status message of the electric device sent by the electric device during the process of controlling the charging device to receive the electric energy transmitted by the electric device; the battery status message includes at least one or more of the following parameters: power transmission status, voltage, temperature, current and charge state;

[0320] A first determination module 1203, configured to determine whether a condition for stopping power transmission is met based on the battery status message;

[0321] The first determination module 1203 is also used to determine the occurrence of a first termination discharge event and generate a termination discharge message of the storage-charging system when it is determined that the power transmission stop condition is met, and to stop receiving the electric energy transmitted by the electric device and send a termination discharge message of the storage-charging system to the electric device.

[0322] In some embodiments, the apparatus further comprises:

[0323] A first generating module is used to generate and send a charging statistical message of the storage-charging integrated machine system to the electric device in response to a first termination discharge event, and receive a discharge statistical message sent by the electric device; the charging statistical message includes at least one or more of the following: charging power and charging duration; the discharge statistical message includes at least one or more of the following: discharge power and discharge duration;

[0324] The first determination module is further used to determine the total amount of electricity delivered by the electric device based on the charging statistics message of the storage-charging integrated machine system and / or the discharging statistics message of the electric device;

[0325] The first determination module is further used to determine the fee to be paid based on the total amount of electricity delivered by the electric device.

[0326] In some embodiments, the first sending module includes:

[0327] A receiving unit, configured to receive a message sent by the electric device to characterize a working state of the battery after the integrated storage and charging system and the electric device have successfully shaken hands, wherein the working state of the battery includes: a power transmission state or a charging state;

[0328] A sending unit is used to send the charging parameters of the storage-charging integrated system to the electric device when it is determined that the working state of the battery is a power transmission state.

[0329] In some embodiments, before receiving a message sent by the electric device to characterize the working state of the battery, the apparatus includes:

[0330] A configuration module is used to configure the power transmission parameters of the storage-charging system in response to the electric device being in a power transmission mode after the storage-charging system and the electric device have successfully shaken hands; the power transmission parameters include at least one or more of the following: power transmission status, synchronization time, maximum power transmission capacity, and power transmission stop conditions;

[0331] The first sending module is further used to send the power transmission parameters to the electric device when the configuration of the power transmission parameters is completed;

[0332] The first determination module is further used to determine whether to be ready to receive the electric energy transmitted by the electric device based on the electric device readiness message sent by the electric device;

[0333] The first determination module is also used to determine to wait for receiving a message sent by the electric device to characterize the working status of the battery when it is determined that the electric energy transmitted by the electric device is ready to be received, and to send a readiness message of the storage and charging system to the electric device.

[0334] In some embodiments, the apparatus further comprises:

[0335] The first receiving module is further used to receive the battery parameters of the electric device sent by the electric device after the storage-charging integrated system successfully shakes hands with the electric device; the battery parameters include at least one or more of the following: voltage, temperature, state of charge and working mode; the working mode includes: charging mode or transmission mode;

[0336] The first determination module is further used to determine whether the battery status of the electric device is normal based on the battery parameters of the electric device;

[0337] The first determination module is also used to determine the configuration of the power transmission parameters of the storage-charging integrated system when it is determined that the battery status of the electric device is normal and the value of the working mode is characterized by a power transmission mode.

[0338] In some embodiments, the apparatus comprises:

[0339] The first determination module is further used to determine, in response to the electric device being in a charging mode, a current target charging mode of the electric device by the storage-charging integrated system; the target charging mode is one of a supercharging mode, a fast charging mode and a slow charging mode;

[0340] The first determination module is further used to determine whether the energy storage device supports charging the electric device according to the target charging mode based on the state of charge value and the remaining energy state value of the energy storage device when the target charging mode is not the slow charging mode;

[0341] The first determination module is further used to determine and control the charging device to charge the electric device according to the charging rate corresponding to the target charging mode when the energy storage device supports charging the electric device according to the target charging mode.

[0342] The present application further provides a schematic diagram of the composition structure of a charging control device, which is applied to electric equipment, such as Fig.14 As shown, the device 1300 includes:

[0343] The delivery module 1301 is used to deliver electric energy to the integrated storage and charging system according to the charging parameters of the integrated storage and charging system sent by the integrated storage and charging system after the integrated storage and charging system and the electric device have successfully shaken hands;

[0344] The second sending module 1302 is used to send a battery status message to the integrated storage and charging system during the process of transmitting electric energy to the integrated storage and charging system;

[0345] The second determination module 1303 is used to determine the occurrence of a second termination discharge event and stop transmitting electric energy to the storage-charging system when receiving a termination discharge message of the storage-charging system sent by the storage-charging system;

[0346] The second generating module 1304 is used to generate and send a discharge statistics message of the electric device to the storage-charging integrated system in response to a second termination discharge event.

[0347] In some embodiments, the apparatus further comprises:

[0348] A second receiving module is used to receive the charging statistics message sent by the storage-charging integrated system;

[0349] The second determination module is further used to determine the total amount of electricity delivered by the electric device based on the charging statistics message sent by the storage-charging integrated machine system and / or the discharging statistics message of the electric device;

[0350] The second determination module is further used to determine the fee to be charged based on the total amount of electricity delivered by the electric device.

[0351] In some embodiments, the apparatus further comprises:

[0352] The second receiving module is further used to receive the power transmission parameters sent by the integrated storage and charging system after the integrated storage and charging system successfully shakes hands with the electric device;

[0353] An adjustment module, used to adjust the parameters corresponding to the electric device and determine whether to transmit electric energy to the integrated storage and charging system based on the power transmission parameters;

[0354] The second generating module is further used to generate and send a readiness message of the electric device to the integrated storage and charging system when it is determined that electric energy is ready to be transmitted to the integrated storage and charging system;

[0355] The second receiving module is also used to receive a readiness message of the integrated storage-charging system, and determine to send a message to the integrated storage-charging system to characterize the working status of the battery.

[0356] The description of the above device embodiment is similar to the description of the above method embodiment, and has similar beneficial effects as the method embodiment. In some embodiments, the functions or modules included in the device provided by the embodiments of the present disclosure can be used to execute the method described in the above method embodiment. For technical details not disclosed in the device embodiment of the present application, please refer to the description of the method embodiment of the present application for understanding.

[0357] It should be noted that in the embodiments of the present application, if the above method is implemented in the form of a software function module and sold or used as an independent product, it can also be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the embodiment of the present application can be essentially or partly reflected in the form of a software product that contributes to the relevant technology. The software product is stored in a storage medium, including several instructions to enable a charging control device (which can be a storage-charging system or an electric vehicle, etc.) to execute all or part of the methods described in each embodiment of the present application. The aforementioned storage medium includes: various media that can store program codes, such as a U disk, a mobile hard disk, a read-only memory (ROM), a magnetic disk or an optical disk. In this way, the embodiments of the present application are not limited to any specific hardware, software or firmware, or any combination of hardware, software and firmware.

[0358] The embodiment of the present application provides a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a controller, some or all of the steps in the above method are implemented. The computer-readable storage medium can be transient or non-transient.

[0359] An embodiment of the present application provides a computer program, including a computer-readable code. When the computer-readable code runs in a charging control device, a controller in the charging control device executes some or all of the steps for implementing the above method.

[0360] An embodiment of the present application provides a computer program product, including a computer program or instructions, which implement the steps in the above method when executed by a controller.

[0361] The computer program product may be implemented in hardware, software or a combination thereof. In some embodiments, the computer program product is embodied as a computer storage medium, and in other embodiments, the computer program product is embodied as a software product, such as a software development kit (SDK).

[0362] It should be noted here that the description of the various embodiments above tends to emphasize the differences between the various embodiments, and the same or similar aspects can be referenced to each other. The description of the above device, storage medium, computer program and computer program product embodiments is similar to the description of the above method embodiment, and has similar beneficial effects as the method embodiment. For technical details not disclosed in the embodiments of the device, storage medium, computer program and computer program product of this application, please refer to the description of the method embodiment of this application for understanding.

[0363] It should be understood that "one embodiment" or "an embodiment" mentioned throughout the specification means that specific features, structures or characteristics related to the embodiment are included in at least one embodiment of the present application. Therefore, "in one embodiment" or "in an embodiment" appearing throughout the specification does not necessarily refer to the same embodiment. In addition, these specific features, structures or characteristics can be combined in one or more embodiments in any suitable manner. It should be understood that in various embodiments of the present application, the size of the serial number of each step / process mentioned above does not mean the order of execution, and the execution order of each step / process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiment of the present application. The serial numbers of the embodiments of the present application mentioned above are for description only and do not represent the advantages and disadvantages of the embodiments.

[0364] It should be noted that, in this article, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0365] In the several embodiments provided in the present application, it should be understood that the disclosed devices and methods can be implemented in other ways. The device embodiments described above are only schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation, such as: multiple units or components can be combined, or can be integrated into another system, or some features can be ignored or not executed. In addition, the coupling, direct coupling, or communication connection between the components shown or discussed can be through some interfaces, and the indirect coupling or communication connection of the devices or units can be electrical, mechanical or other forms.

[0366] The units described above as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units; they may be located in one place or distributed on multiple network units; some or all of the units may be selected according to actual needs to achieve the purpose of the present embodiment.

[0367] In addition, all functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may be a separate unit, or two or more units may be integrated into one unit; the above-mentioned integrated units may be implemented in the form of hardware or in the form of hardware plus software functional units.

[0368] A person skilled in the art can understand that: all or part of the steps of implementing the above method embodiment can be completed by hardware related to program instructions, and the aforementioned program can be stored in a computer-readable storage medium. When the program is executed, it executes the steps of the above method embodiment; and the aforementioned storage medium includes: various media that can store program codes, such as mobile storage devices, read-only memories (ROM), magnetic disks or optical disks.

[0369] Alternatively, if the above-mentioned integrated unit of the present application is implemented in the form of a software function module and sold or used as an independent product, it can also be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application can essentially or in other words, the part that contributes to the relevant technology can be embodied in the form of a software product. The computer software product is stored in a storage medium, including several instructions for enabling a charging control device to execute all or part of the methods described in each embodiment of the present application. The aforementioned storage medium includes: various media that can store program codes, such as mobile storage devices, ROMs, magnetic disks or optical disks.

[0370] The above is only an implementation method of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application.

Claims

1. A charging control method, characterized in that: Applied to a storage-charging integrated system, the storage-charging integrated system includes an energy storage device and a charging device, and the method includes: After the integrated storage and charging system successfully shakes hands with the electric device, a message sent by the electric device to characterize the working state of the battery is received, and when it is determined that the working state of the battery is a power transmission state, the charging parameters of the integrated storage and charging system are sent to the electric device; the charging parameters are standard charging parameters allowed by the integrated storage and charging system when receiving electric energy; Controlling the charging device to receive the electric energy delivered by the electric device with the charging parameters, so as to deliver the electric energy to the energy storage device or the power grid; In the process of controlling the charging device to receive the electric energy transmitted by the electric device, receiving a battery status message of the electric device sent by the electric device; the battery status message includes at least one or more of the following parameters: power transmission status, voltage, temperature, current and charge state; Based on the battery status message, determining whether a condition for stopping power transmission is met; When it is determined that the power transmission stop condition is met, determining that a first termination discharge event occurs and generating a termination discharge message of the storage-charging system, and stopping receiving electric energy transmitted by the electric device, and sending a termination discharge message of the storage-charging system to the electric device; Before receiving a message sent by the electric device to characterize the working state of the battery, the method includes: After the integrated storage and charging system successfully shakes hands with the electric device, the battery parameters of the electric device sent by the electric device are received; the battery parameters include at least one or more of the following: voltage, temperature, state of charge and working mode; the working mode includes: charging mode or transmission mode; Based on the battery parameters of the electric device, determining whether the battery status of the electric device is normal; When it is determined that the battery state of the electric device is normal and the value of the working mode is characterized as a power transmission mode, configure the power transmission parameters of the storage-charging integrated system; the power transmission parameters include at least one or more of the following: power transmission state, synchronization time, maximum power transmission capacity, and power transmission stop condition; When the configuration of the power transmission parameters is completed, sending the power transmission parameters to the electric device so that the electric device adjusts the parameters of the electric device according to the power transmission parameters; Upon receiving a readiness message of the electric device sent by the electric device, determining whether to be ready to receive the electric energy transmitted by the electric device based on the current operating state of the integrated storage and charging system; When it is determined that the electric energy transmitted by the electric device is ready to be received, it is determined to wait for receiving a message sent by the electric device to characterize the working state of the battery, and a readiness message of the storage and charging system is sent to the electric device.

2. The method according to claim 1, characterized in that: The method comprises: In response to the first termination discharge event, a charging statistics message of the storage-charging integrated machine system is generated and sent to the electric device, and a discharge statistics message sent by the electric device is received; the charging statistics message includes at least one or more of the following: charging power and charging time; the discharge statistics message includes at least one or more of the following: discharge power and discharge time; Determine the total amount of electricity delivered by the electric device based on the charging statistics message of the integrated storage and charging system and / or the discharging statistics message of the electric device; A fee to be paid is determined based on the total amount of electricity delivered by the electric device.

3. The method according to claim 1, characterized in that: The working state of the battery includes: power transmission state or charging state.

4. The method according to any one of claims 1 to 3, characterized in that: The method comprises: In response to the electric device being in a charging mode, determining a target charging mode of the electric device by the integrated storage-charging system; the target charging mode is one of a supercharging mode, a fast charging mode, and a slow charging mode; When the target charging mode is not a slow charging mode, determining whether the energy storage device supports charging the electric device according to the target charging mode based on the state of charge value and the remaining energy state value of the energy storage device; In a case where the energy storage device supports charging the electric device according to the target charging mode, it is determined to control the charging device to charge the electric device according to the charging rate corresponding to the target charging mode.

5. A charging control method, characterized in that: Applied to electric equipment, the method comprises: After the integrated storage and charging system successfully shakes hands with the electric device, a message used to characterize the working state of the battery is sent to the integrated storage and charging system; the charging parameters of the integrated storage and charging system sent by the integrated storage and charging system are received, and electric energy is delivered to the integrated storage and charging system with the charging parameters of the integrated storage and charging system sent by the integrated storage and charging system; the charging parameters are standard charging parameters allowed by the integrated storage and charging system when receiving electric energy; In the process of transmitting electric energy to the integrated storage and charging system, a battery status message is sent to the integrated storage and charging system; the battery status message includes at least one or more of the following parameters: power transmission status, voltage, temperature, current and charge state; Upon receiving a termination discharge message of the integrated storage-charging system sent by the integrated storage-charging system, determining that a second termination discharge event occurs, and stopping the transmission of electric energy to the integrated storage-charging system; In response to a second termination discharge event, generating and sending a discharge statistics message of the electric device to the integrated storage and charging system; Before transmitting electric energy to the integrated storage-charging system using the charging parameters of the integrated storage-charging system sent by the integrated storage-charging system, the method includes: After the integrated storage and charging system successfully shakes hands with the electric device, the battery parameters of the electric device are sent to the integrated storage and charging system, so that the integrated storage and charging system configures the power transmission parameters of the integrated storage and charging system based on the battery parameters of the electric device, when it is determined that the battery state of the electric device is normal and the value of the working mode is characterized as the power transmission mode; the battery parameters include at least one or more of the following: voltage, temperature, state of charge and working mode; the working mode includes: charging mode or power transmission mode; Receiving power transmission parameters sent by the integrated storage and charging system; the power transmission parameters include at least one or more of the following: power transmission status, synchronization time, maximum power transmission capacity, and power transmission stop conditions; adjusting the parameters of the electric device according to the power transmission parameters, and determining whether to prepare to transmit electric energy to the integrated storage and charging system; When it is determined that electric energy is ready to be transmitted to the integrated storage-charging system, a readiness message of the electric device is generated and sent to the integrated storage-charging system, so that the integrated storage-charging system determines whether to receive the electric energy transmitted by the electric device based on the current operating state of the integrated storage-charging system when receiving the readiness message of the electric device; Receive a readiness message of the integrated storage-charging system, and determine to send a message to the integrated storage-charging system for characterizing the working state of the battery.

6. The method according to claim 5, characterized in that: The method comprises: Receiving a charging statistics message sent by the storage-charging integrated machine system; Determine the total amount of electricity delivered by the electric device based on the charging statistics message sent by the integrated storage and charging system and / or the discharging statistics message of the electric device; A fee to be charged is determined based on the total amount of electricity delivered by the electric device.

7. A charging control device, characterized in that: Applied to a storage-charging integrated system, the storage-charging integrated system includes an energy storage device and a charging device, the device includes: A first sending module is used to receive a message sent by the electric device to characterize the working state of the battery after the integrated storage and charging system and the electric device have successfully shaken hands, and when it is determined that the working state of the battery is a power transmission state, send the charging parameters of the integrated storage and charging system to the electric device; the charging parameters are standard charging parameters allowed by the integrated storage and charging system when receiving electric energy; A first receiving module, used to control the charging device to receive the electric energy delivered by the electric device with the charging parameters, so as to deliver the electric energy to the energy storage device or the power grid; The first receiving module is further used to receive a battery status message of the electric device sent by the electric device during the process of controlling the charging device to receive the electric energy transmitted by the electric device; the battery status message includes at least one or more of the following parameters: power transmission status, voltage, temperature, current and charge state; A first determination module, configured to determine whether a condition for stopping power transmission is met based on the battery status message; The first determination module is further used to determine the occurrence of a first termination discharge event and generate a termination discharge message of the storage-charging integrated machine system when it is determined that the power transmission stop condition is met, and to stop receiving the electric energy transmitted by the electric device and send a termination discharge message of the storage-charging integrated machine system to the electric device; The device also includes: The first receiving module is further used to receive the battery parameters of the electric device sent by the electric device after the storage-charging integrated system successfully shakes hands with the electric device; the battery parameters include at least one or more of the following: voltage, temperature, state of charge and working mode; the working mode includes: charging mode or transmission mode; The first determination module is further used to determine whether the battery status of the electric device is normal based on the battery parameters of the electric device; A configuration module, configured to configure the power transmission parameters of the storage-charging integrated system when it is determined that the battery state of the electric device is normal and the value of the working mode is characterized as a power transmission mode; the power transmission parameters include at least one or more of the following: power transmission state, synchronization time, maximum power transmission capacity, and power transmission stop condition; The first sending module is further used to send the power transmission parameters to the electric device when the configuration of the power transmission parameters is completed, so that the electric device adjusts the parameters of the electric device according to the power transmission parameters; The first determination module is further used to determine whether to be ready to receive the electric energy transmitted by the electric device based on the current operating state of the storage-charging integrated system when receiving the electric device readiness message sent by the electric device; The first determination module is also used to determine to wait for receiving a message sent by the electric device to characterize the working status of the battery when it is determined that the electric energy transmitted by the electric device is ready to be received, and to send a readiness message of the storage and charging system to the electric device.

8. A charging control device, characterized in that: Applied to electric equipment, the device comprises: A transmission module is used to send a message characterizing the working state of the battery to the integrated storage and charging system after the integrated storage and charging system successfully shakes hands with the electric device; receive the charging parameters of the integrated storage and charging system sent by the integrated storage and charging system, and transmit electric energy to the integrated storage and charging system with the charging parameters of the integrated storage and charging system sent by the integrated storage and charging system; the charging parameters are standard charging parameters allowed by the integrated storage and charging system when receiving electric energy; A second sending module is used to send a battery status message to the integrated storage and charging system during the process of transmitting electric energy to the integrated storage and charging system; the battery status message includes at least one or more of the following parameters: power transmission status, voltage, temperature, current and charge state; A second determination module is used to determine the occurrence of a second termination discharge event and stop transmitting electric energy to the storage-charging system when receiving a termination discharge message of the storage-charging system sent by the storage-charging system; A second generating module is used to generate and send a discharge statistics message of the electric device to the storage-charging integrated machine system in response to a second termination discharge event; The device also includes: The second sending module is further used to send the battery parameters of the electric device to the storage-charging system after the storage-charging system successfully shakes hands with the electric device, so that the storage-charging system configures the power transmission parameters of the storage-charging system based on the battery parameters of the electric device, when it is determined that the battery state of the electric device is normal and the value of the working mode is characterized as the power transmission mode; the battery parameters include at least one or more of the following: voltage, temperature, state of charge and working mode; the working mode includes: charging mode or power transmission mode; A second receiving module is used to receive the power transmission parameters sent by the storage-charging integrated system; the power transmission parameters include at least one or more of the following: power transmission status, synchronization time, maximum power transmission capacity, and power transmission stop conditions; The second determination module is further used to adjust the parameters of the electric device according to the power transmission parameters, and determine whether to prepare to transmit electric energy to the storage-charging integrated system; The second sending module is further used to generate and send a readiness message of the electric device to the storage-charging system when it is determined that the storage-charging system is ready to transmit electric energy, so that the storage-charging system, when receiving the readiness message of the electric device, determines whether to receive the electric energy transmitted by the electric device based on the current operating state of the storage-charging system; The second determination module is also used to receive a readiness message of the integrated storage-charging system, and determine to send a message to the integrated storage-charging system to characterize the working status of the battery.

9. A storage and charging system, characterized in that: It includes an energy storage device, a charging device and a charging control device; wherein, One end of the energy storage device is connected to the DC bus to output the electric energy in the energy storage device to the power grid; the other end of the energy storage device is connected to the charging device to charge the electric device through the charging device and the charging gun; the energy storage device is used to charge the electric device through the charging device, or output the electric energy in the energy storage device to the DC bus; The charging device comprises a bidirectional DC / DC device, one end of which is connected to the charging gun, and the other end of which is connected to the DC bus; The charging device is used to transmit the electric energy in the electric device to the energy storage device and / or the power grid through the bidirectional DC / DC device, or to transmit the electric energy of the power grid and / or the electric energy of the energy storage device to the electric device; The charging control device is used to send a message for characterizing the working state of the battery to the integrated storage and charging system after the integrated storage and charging system successfully shakes hands with the electric device; receive the charging parameters of the integrated storage and charging system sent by the integrated storage and charging system, and send the charging parameters of the integrated storage and charging system to the electric device; the charging parameters are standard charging parameters allowed by the integrated storage and charging system when receiving electric energy; Controlling the charging device to receive the electric energy delivered by the electric device with the charging parameters, so as to deliver the electric energy to the energy storage device or the power grid; In the process of controlling the charging device to receive the electric energy transmitted by the electric device, the charging control device is also used to receive a battery status message of the electric device sent by the electric device; the battery status message includes at least one or more of the following parameters: power transmission status, voltage, temperature, current and charge state; based on the battery status message, determine whether a condition for stopping power transmission is met; if it is determined that the condition for stopping power transmission is met, determine that a first termination discharge event occurs and generate a termination discharge message of the storage-charging integrated system, and control the charging device to stop receiving the electric energy transmitted by the electric device, and send a termination discharge message of the storage-charging integrated system to the electric device; Before receiving the message sent by the electric device to characterize the working state of the battery, the charging control device is also used to: after the storage-charging system successfully shakes hands with the electric device, receive the battery parameters of the electric device sent by the electric device; the battery parameters include at least one or more of the following: voltage, temperature, state of charge and working mode; the working mode includes: charging mode or transmission mode; based on the battery parameters of the electric device, determine whether the battery state of the electric device is normal; when it is determined that the battery state of the electric device is normal and the value of the working mode is characterized by the transmission mode, configure the transmission parameters of the storage-charging system; the transmission parameters include at least One or more of the following: power transmission status, synchronization time, maximum power transmission capacity, and conditions for stopping power transmission; when the configuration of the power transmission parameters is completed, sending the power transmission parameters to the electric device so that the electric device adjusts the parameters of the electric device according to the power transmission parameters; when receiving the readiness message of the electric device sent by the electric device, based on the current operating status of the integrated storage and charging system, determining whether to be ready to receive the electric energy transmitted by the electric device; when it is determined that the electric energy transmitted by the electric device is ready to be received, determining to wait for receiving the message sent by the electric device to characterize the working status of the battery, and sending the readiness message of the integrated storage and charging system to the electric device.

10. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a controller, the steps in the method according to any one of claims 1 to 6 are implemented.

11. A computer program product comprising a computer program or instructions, characterized in that When the computer program or instruction is executed by a controller, the steps in the method according to any one of claims 1 to 6 are implemented.

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