A multi-charging-pile combined charging method and device

Abstract

The present invention provides a method and device for combined charging of multiple charging piles. The method includes: obtaining the current usage status of each charging pile in a target area and the combined charging requirements of objects to be charged; determining a target charging pile based on the combined charging requirements; determining a first set of charging piles participating in the combined charging based on the combined charging requirements and the current usage status of each charging pile; establishing a charging relationship between the target charging pile and the object to be charged; and controlling the target charging pile and the first set of charging piles to perform combined charging for the object to be charged based on the charging relationship and the combined charging requirements. Thus, multiple charging piles are automatically matched for combined charging based on the combined charging requirements of users and the usage status of charging piles in the target area, thereby realizing combined large-current fast charging of multiple charging piles. By reasonably utilizing limited charging pile resources, the single charging duration of users is shortened, the charging efficiency is improved, and thus the user experience is enhanced.

Description

Technical Field

[0001] The present invention relates to the field of new energy technologies, and in particular, to a method and device for combined charging of multiple charging piles. Background Art

[0002] Under the background of automotive energy conservation and emission reduction, electric vehicle technology has developed rapidly. From the perspective of user experience, effectively reducing the vehicle charging time will make the product more competitive in the market. The current common method for direct current charging is single-pile charging, and in daily life scenarios, such as charging areas in shopping malls, charging piles exist singly. However, limited by the electrical architecture, a single pile cannot provide a current greater than 250A to the vehicle, making it difficult to effectively reduce the vehicle charging time and affecting the user experience. Summary of the Invention

[0003] In view of this, embodiments of the present invention provide a method and device for combined charging of multiple charging piles to overcome the problems of long charging time and poor user experience in the existing single-pile charging method.

[0004] Embodiments of the present invention provide a method for combined charging of multiple charging piles, including:

[0005] Obtaining the current usage status of each charging pile in the target area and the combined charging requirements of the object to be charged;

[0006] Determining a target charging pile based on the combined charging requirements;

[0007] Determining a first set of charging piles participating in combined charging based on the combined charging requirements and the current usage status of each charging pile;

[0008] Establishing a charging relationship between the target charging pile and the object to be charged;

[0009] Controlling the target charging pile and the first set of charging piles to perform combined charging for the object to be charged based on the charging relationship and the combined charging requirements.

[0010] Optionally, the determining a target charging pile based on the combined charging requirements includes:

[0011] Based on the combined charging requirements, determining the target charging pile identifier currently connected to the object to be charged;

[0012] Determining a target charging pile based on the target charging pile identifier.

[0013] Optionally, the determining a first set of charging piles participating in combined charging based on the combined charging requirements and the current usage status of each charging pile includes:

[0014] Determine the target charging current of the object to be charged based on the combined charging demand;

[0015] Select a first set of charging piles that meet the requirements of the target charging current from the charging piles with the current usage status being idle.

[0016] Optionally, before selecting the first set of charging piles that meet the requirements of the target charging current from the charging piles with the current usage status being idle, the method further includes:

[0017] Obtain the first charging current corresponding to the target charging pile

[0018] Update the target charging current based on the first charging current.

[0019] Optionally, the selecting the first set of charging piles that meet the requirements of the target charging current from the charging piles with the current usage status being idle includes:

[0020] Determine the number of charging piles participating in the combined charging based on the target charging current and the preset single-pile charging current;

[0021] Select charging piles that meet the number of charging piles from the charging piles with the current usage status being idle to form the first set of charging piles.

[0022] Optionally, the establishing the charging relationship between the target charging pile and the object to be charged includes:

[0023] Establish the charging relationship between the target charging pile and the object to be charged based on the target charging pile identifier.

[0024] Optionally, the controlling the target charging pile and the first set of charging piles to perform combined charging for the object to be charged based on the charging relationship and the combined charging demand includes:

[0025] Obtain the first charging pile identifiers corresponding to the first charging piles in the first set of charging piles;

[0026] Receive the first data sent by the object to be charged to the target charging pile based on the charging relationship, and forward the first data to each of the first charging piles based on the first charging pile identifier;

[0027] Receive the second data sent by each of the first charging piles, and forward the second data to the target charging pile, so that the target charging pile feeds back the second data to the object to be charged based on the charging relationship.

[0028] An embodiment of the present invention further provides a multi-charging-pile combined charging device, including:

[0029] An acquisition module, configured to acquire the current usage status of each charging pile in the target area and the combined charging requirements of the object to be charged;

[0030] A first processing module, configured to determine a target charging pile based on the combined charging requirements;

[0031] A second processing module, configured to determine a first set of charging piles participating in combined charging based on the combined charging requirements and the current usage status of each charging pile;

[0032] A third processing module, configured to establish a charging relationship between the target charging pile and the object to be charged;

[0033] A fourth processing module, configured to control the target charging pile and the first set of charging piles to perform combined charging for the object to be charged based on the charging relationship and the combined charging requirements.

[0034] An embodiment of the present invention further provides an electronic device, including: a memory and a processor, the memory and the processor are communicatively connected to each other, the memory stores computer instructions, and the processor executes the computer instructions to execute the method provided by the embodiment of the present invention.

[0035] An embodiment of the present invention further provides a computer-readable storage medium, the computer-readable storage medium stores computer instructions, and the computer instructions are used to cause the computer to execute the method provided by the embodiment of the present invention.

[0036] The technical solution of the present invention has the following advantages:

[0037] An embodiment of the present invention provides a multi-charging-pile combined charging method and device, which acquire the current usage status of each charging pile in the target area and the combined charging requirements of the object to be charged; determine a target charging pile based on the combined charging requirements; determine a first set of charging piles participating in combined charging based on the combined charging requirements and the current usage status of each charging pile; establish a charging relationship between the target charging pile and the object to be charged; control the target charging pile and the first set of charging piles to perform combined charging for the object to be charged based on the charging relationship and the combined charging requirements. Thus, multiple charging piles are automatically matched for combined charging based on the combined charging requirements of the user and the usage status of the charging piles in the target area, thereby realizing multi-charging-pile combined high-current fast charging. By reasonably utilizing limited charging pile resources, the single charging duration of the user is shortened, the charging efficiency is improved, and the user experience is further enhanced. Description of the Drawings

[0038] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0039] Figure 1 It is a flowchart of the multi-charging-pile combined charging method in the embodiment of the present invention;

[0040] Figure 2 It is a schematic structural diagram of the multi-charging-pile combined charging system in the embodiment of the present invention;

[0041] Figure 3 It is a schematic diagram of the working mode of the multi-charging-pile combined charging system in the embodiment of the present invention;

[0042] Figure 4 It is a schematic diagram of the working process of the multi-pile charging control unit in the embodiment of the present invention;

[0043] Figure 5 It is a schematic structural diagram of the multi-charging-pile combined charging device in the embodiment of the present invention;

[0044] Figure 6 It is a schematic structural diagram of the electronic device in the embodiment of the present invention. Specific Embodiments

[0045] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

[0046] The technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0047] In the context of the overall situation of automotive energy conservation and emission reduction, electric vehicle technology has developed rapidly. From the perspective of user experience, effectively reducing the vehicle charging time will make the product more competitive in the market. The current common method of DC charging is single-pile charging, and in daily life scenarios, such as charging areas in shopping malls, charging piles exist alone. However, limited by the constraints of the electrical architecture, a single pile cannot provide a current greater than 250A to the vehicle, making it difficult to effectively reduce the vehicle charging time and affecting the user experience.

[0048] Based on the above problems, an embodiment of the present invention provides a multi-charging-pile combined charging method, as Figure 1 shown, the multi-charging-pile combined charging method specifically includes the following steps:

[0049] Step S101: Obtain the current usage status of each charging pile in the target area and the combined charging requirements of the objects to be charged.

[0050] Among them, the target area can be an area such as a shopping mall or an office building where several charging piles are distributed. The current usage status of each charging pile is divided into two types: charging and idle. The combined charging requirement means that after the object to be charged, that is, an electric vehicle, is connected to a certain charging pile, the user selects and sets the charging mode as the multi-pile combined charging mode on this charging pile. The combined charging requirements specifically include parameters such as the charging duration and charging current required by the electric vehicle.

[0051] Step S102: Determine the target charging pile based on the combined charging requirements.

[0052] Specifically, in one embodiment, the above step S102 specifically includes the following steps:

[0053] Step S201: Based on the combined charging requirements, determine the target charging pile identifier to which the object to be charged is currently connected.

[0054] Step S202: Determine the target charging pile based on the target charging pile identifier.

[0055] Specifically, each charging pile in the target area has a unique identifier. For example, if all the charging piles in the target area are uniformly numbered, the number corresponding to each charging pile is the charging pile identifier corresponding to this charging pile. When the user puts forward the combined charging requirement through a certain charging pile, the combined charging requirement will carry the number of this charging pile. Thus, by identifying the charging pile identifier on the combined charging requirement, the charging pile to which the user's electric vehicle is actually plugged in can be determined, and this charging pile is the target charging pile.

[0056] Step S103: Based on the combined charging requirements and the current usage status of each charging pile, determine the first charging pile set participating in the combined charging.

[0057] Specifically, due to the different usage statuses of each charging pile, there may be some charging piles that are currently providing charging services for other users, and such charging piles will not be able to participate in the combined charging. Therefore, by screening the charging piles, a charging pile set that satisfies the combined charging requirements and charges the auxiliary main charging piles can be obtained to complete the charging pile preparation work for multi-pile combined charging.

[0058] Step S104: Establish a charging relationship between the target charging pile and the object to be charged.

[0059] Specifically, based on the target charging pile identifier, a charging relationship between the target charging pile and the object to be charged is established. Exemplarily, communication between the BMS of the electric vehicle and the charging pile can be established through the number of the target charging pile, so that the BMS can complete the preparation and configuration of charging and control the charging process according to the actual situation.

[0060] Step S105: Based on the charging relationship and the combined charging demand, control the target charging pile and the first set of charging piles to perform combined charging for the object to be charged.

[0061] Specifically, the power supply lines of all charging piles in the target area are connected in parallel with each other, so that each charging pile can either provide single-pile charging for users alone or achieve multi-pile combined charging through the interconnected power supply lines.

[0062] By performing the above steps, the multi-charging-pile combined charging method provided by the embodiments of the present invention automatically matches multiple charging piles for combined charging based on the combined charging demand of the user and the usage status of the charging piles in the target area, thereby realizing multi-charging-pile combined high-current fast charging. By reasonably utilizing limited charging pile resources, the single charging duration of the user is shortened, the charging efficiency is improved, and thus the user experience is enhanced.

[0063] Specifically, in one embodiment, the above step S103 specifically includes the following steps:

[0064] Step S301: Determine the target charging current of the object to be charged based on the combined charging demand.

[0065] Specifically, by obtaining the first charging current corresponding to the target charging pile, the target charging current is updated based on the first charging current. Exemplarily, assume that the charging current required in the combined charging demand set by the user is 1000A, and assume that the charging current that the target charging pile can provide is 250A, then the required target charging current is 750A.

[0066] Step S302: Select a first set of charging piles that meet the requirements of the target charging current from the charging piles whose current usage status is idle.

[0067] Specifically, the above step S302 determines the number of charging piles participating in the combined charging based on the target charging current and the preset single-pile charging current; selects the charging piles that meet the number of charging piles from the charging piles whose current usage status is idle to form the first set of charging piles. Exemplarily, assume that the target charging current is 750A and the preset single-pile charging current is 250A, then in addition to the target charging pile, a total of 3 charging piles are required to participate in the combined charging, and then select five charging piles from all the idle charging piles to form the first set of charging piles.

[0068] In practical applications, the first charging pile set can also be screened according to factors such as the current remaining power of each charging pile, etc., so as to further improve the charging effect of combined charging. The present invention is not limited thereto.

[0069] Specifically, in one embodiment, step S105 described above specifically includes the following steps:

[0070] Step S401: Obtain the first charging pile identifiers corresponding to the first charging piles in the first charging pile set.

[0071] Among them, the first charging pile identifier is the number corresponding to each charging pile participating in combined charging.

[0072] Step S402: Receive the first data sent by the object to be charged to the target charging pile based on the charging relationship, and forward the first data to each first charging pile based on the first charging pile identifier.

[0073] Specifically, after an electric vehicle is plugged into a certain charging pile, it will communicate with the charging pile throughout the charging process through the battery management system (BMS system) of the electric vehicle, such as: charging pile parameter configuration, monitoring of the charging status during the charging process, etc. Since there are other charging piles participating in the charging, the data packet sent by the BMS received by the target charging pile is forwarded to the charging piles participating in combined charging for response according to the charging pile identifier corresponding to each charging pile.

[0074] Step S403: Receive the second data sent by each first charging pile, and forward the second data to the target charging pile, so that the target charging pile feeds back the second data to the object to be charged based on the charging relationship.

[0075] Specifically, when all the charging piles participating in combined charging execute according to the parameter configuration requirements or status monitoring requirements sent by the BMS, the obtained execution data will finally be fed back to the BMS through the target charging pile, thereby realizing the data communication between the BMS and all the charging piles participating in combined charging, and thus multi-pile combined charging for the same electric vehicle can be realized based on the data packets throughout the charging process.

[0076] It should be noted that the format and content of the communication packets involved in the entire charging process between the BMS and the charging piles, as well as the specific implementation process of each charging pile for parameter configuration and charging process monitoring based on the communication packets, are prior arts. For details, reference can be made to the relevant descriptions of the prior arts, and no further elaboration will be provided here.

[0077] By performing the above steps, the multi-charging-pile combined charging method provided by the embodiments of the present invention automatically matches multiple charging piles for combined charging based on the combined charging requirements of the user and the usage status of the charging piles in the target area, thereby realizing multi-charging-pile combined high-current fast charging. By reasonably utilizing limited charging-pile resources, the single charging duration of the user is shortened, the charging efficiency is improved, and thus the user experience is enhanced.

[0078] Next, specific application examples will be used to elaborate in detail on the multi-charging-pile combined charging method provided by the embodiments of the present invention.

[0079] The multi-charging-pile combined charging system established according to the multi-charging-pile combined charging method provided by the embodiments of the present invention is as Figure 2 shown. Among them, the above multi-charging-pile combined charging method is applied to a multi-pile charging control unit as Figure 2 shown. The multi-pile charging control unit is connected to Charging Pile 1 to Charging Pile 4 through signal lines (wired or wireless). The power supply lines of Charging Pile 1 to Charging Pile 4 can be connected in parallel to supply power to the vehicle jointly. The BMS of the vehicle can communicate with any one of the charging piles.

[0080] Figure 3 FIG. is a schematic diagram of the working mode of the multi-charging-pile combined charging system. The participating objects are the charging piles, the battery management system controller BMS, and the multi-pile charging control unit respectively. The functions of each participating object are as follows:

[0081] (1) The BMS is used to manage the battery pack, complete the preparation and configuration of charging according to the actual situation, and control the charging process.

[0082] (2) The charging piles complete the relevant preparation and configuration of multi-pile charging and external power supply.

[0083] (3) The multi-pile charging control unit establishes a physical connection between the charging piles, and transmits the charging information and abnormal information of each charging pile during the charging process to other charging piles in the network.

[0084] Among them, the specific working process of the BMS is as follows:

[0085] (1) After multiple charging piles are connected to the BMS, the BMS needs to confirm the charging-pile numbers connected to each charging port according to the charging-pile communication message.

[0086] (2) In the case of multiple charging piles being connected, the principle for selecting the communication gun for multi-pile charging:

[0087] Use the charging pile with the smaller charging-pile number as the charging communication line.

[0088] (3) After confirming the charging pile number in use, the BMS should prohibit the sending and receiving of message data on other charging communication lines.

[0089] (4) In the case of single-pile charging, the offset of the requested current is 400 A.

[0090] Among them, the specific working process of each charging pile is as follows:

[0091] (1) When the charging station is equipped with multiple charging piles, all charging piles need to be numbered uniformly and orderly. The charging gun numbers of different numbered charging piles correspond to their respective charging pile numbers.

[0092] (2) It is necessary to match the detected connected charging pile numbers with the charging gun numbers fed back by the BMS to determine that the physical connection for multi-pile charging is successful.

[0093] (3) If the charging pile detects that only a single charging pile is successfully connected, it can only enter the single-pile charging process.

[0094] (4) When it is confirmed as multi-pile charging, the charging pile needs to adjust the actual power supply capacity of the corresponding charging pile.

[0095] Among them, the specific working process of the multi-pile charging control unit is as Figure 4 shown, and the specific working process is as follows:

[0096] (1) Handshake stage

[0097] Each charging pile forwards its communication message with the BMS to the multi-pile charging control unit through the communication signal line. The charging pile corresponding to the <main gun seat number> in the BHM message is set as the main charging pile, and this charging pile is used to complete the communication with the BMS. The multi-pile charging control unit forwards the BRM message to the remaining charging piles. The multi-pile charging control unit receives the CRM messages of 4 charging piles, and at the same time, <byte 1 in the CRM message> of the 4 charging piles == 0xAA. After processing the content of the CRM message, the multi-pile charging control unit sends it to the main charging pile through the 0x100 message.

[0098] (2) Parameter configuration stage

[0099] The multi-pile charging control unit forwards the BCP and BRO messages to the remaining charging piles. The multi-pile charging control unit receives the CTS and CML messages of 4 charging piles, calculates the total power supply current capacity of the 4 charging piles, and sends the content of the CML to the main charging pile through the 0x100 message. The multi-pile charging control unit receives the CR0 messages of 4 charging piles. After confirming that all 4 charging piles can be charged, set <byte 1 in the CRO message> = 0xAA, and send the content of the CRO message to the main charging pile through the 0x100 message.

[0100] (3) Charging Stage

[0101] The multi-pile charging control unit forwards BCL, BCS, BSM, and BST messages to the other charging piles. The multi-pile charging control unit receives CCS messages from 4 charging piles, calculates the total output current capacity and cumulative charging time of the 4 charging piles, and sends the CCS content to the main charging pile via the 0x100 message. The multi-pile charging control unit receives CST messages from 4 charging piles. If any charging pile stops charging, the multi-pile charging control unit sends the CST message content to the main charging pile via the 0x100 message.

[0102] (4) End Stage

[0103] The multi-pile charging control unit forwards BSD messages to the other charging piles. The multi-pile charging control unit receives CSD messages from 4 charging piles, calculates the total output current capacity of the 4 charging piles, and sends the CCS content to the main charging pile via the 0x100 message.

[0104] (5) Handling of Abnormal Charging Situations

[0105] 1) If a charging pile has an abnormality and needs to stop charging, the following process is executed:

[0106] First, notify the multi-pile charging control unit via message 0x200; second, send the specific abort reason to the multi-pile charging control unit according to the messages and content defined in the national standard; finally, the multi-pile charging unit sends the detailed information of stopping charging to the main charging pile via 0x100.

[0107] 2) When a charging pile detects a message timeout and needs to stop charging. The charging pile sends message 0x200 to request to stop charging and also needs to send a CEM message to inform the multi-pile charging control unit.

[0108] 3) When the BMS detects a message timeout and needs to stop charging. The multi-pile charging control unit forwards the BEM message to the other charging piles.

[0109] It should be noted that all the messages mentioned in the above embodiments are described by taking the national standard GB27930 messages as an example. Among them, the four messages CHM, BHM, CRM, and BRM complete the handshake between the BMS and the charger. CHM and CRM are sent from the charger to the BMS; BHM and BRM are sent from the BMS to the charger. BCP, CTS, CML, BRO, and CRO are used to exchange information such as the voltage and current that the BMS and the charger can provide. BCL, BCS, CCS, BSM, BST, and CST interact with the requests and monitoring information of the charger and the BMS during the charging process. BSD and CSD provide the statistical information of this charging. BEM and CEM provide the detailed timeout information during the communication process. The specific meanings of the above messages and the specific execution processes of the messages are all prior arts and will not be elaborated here.

[0110] The technical solution provided by the present invention can coordinate multiple charging piles to work simultaneously without mutual influence, and will not increase the hardware costs of the charging piles and the BMS. By coordinating multiple charging piles to increase the charging branches, the charging current is increased, the charging time is shortened, the use efficiency of the charging piles is improved, the effective use time of the vehicle is increased, and to a certain extent, the income of the charging enterprise and the economic income brought by the operating vehicles are increased.

[0111] An embodiment of the present invention also provides a multi-charging-pile combined charging device, as Figure 5 shown. The multi-charging-pile combined charging device includes:

[0112] An acquisition module 101, configured to acquire the current usage status of each charging pile in the target area and the combined charging requirements of the object to be charged. For the detailed content, refer to the relevant description of step S101 in the above method embodiment, and it will not be elaborated here.

[0113] A first processing module 102, configured to determine a target charging pile based on the combined charging requirements. For the detailed content, refer to the relevant description of step S102 in the above method embodiment, and it will not be elaborated here.

[0114] A second processing module 103, configured to determine a first set of charging piles participating in the combined charging based on the combined charging requirements and the current usage status of each charging pile. For the detailed content, refer to the relevant description of step S103 in the above method embodiment, and it will not be elaborated here.

[0115] A third processing module 104, configured to establish a charging relationship between the target charging pile and the object to be charged. For the detailed content, refer to the relevant description of step S104 in the above method embodiment, and it will not be elaborated here.

[0116] The fourth processing module 105 is configured to control the target charging pile and the first charging pile set to perform combined charging for the object to be charged based on the charging relationship and the combined charging requirement. For the detailed content, refer to the relevant description of step S105 in the above method embodiment, and details will not be repeated here.

[0117] Through the collaborative cooperation of the above-mentioned various components, the multi-charging-pile combined charging device provided by the embodiment of the present invention automatically matches multiple charging piles for combined charging based on the combined charging requirement of the user and the usage status of the charging piles in the target area, thereby realizing multi-charging-pile combined high-current fast charging. By reasonably utilizing the limited charging pile resources, the single charging duration of the user is shortened, the charging efficiency is improved, and thus the user experience is enhanced.

[0118] The further function descriptions of the above-mentioned various modules are the same as those in the corresponding method embodiment above, and details will not be repeated here.

[0119] According to an embodiment of the present invention, there is also provided an electronic device, as Figure 6 shown. The electronic device may include a processor 901 and a memory 902. The processor 901 and the memory 902 may be connected through a bus or other means. Figure 6 Taking the connection through the bus as an example.

[0120] The processor 901 may be a central processing unit (CPU). The processor 901 may also be other general-purpose processors, digital signal processors (DSPs), application specific integrated circuits (ASICs), field-programmable gate arrays (FPGAs), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. chips, or a combination of the above types of chips.

[0121] The memory 902, as a non-transitory computer-readable storage medium, can be used to store non-transitory software programs, non-transitory computer-executable programs, and modules, such as the program instructions / modules corresponding to the method in the method embodiment of the present invention. The processor 901 executes various functional applications and data processing of the processor by running the non-transitory software programs, instructions, and modules stored in the memory 902, that is, to implement the method in the above method embodiment.

[0122] The memory 902 may include a program storage area and a data storage area. The program storage area may store an operating device and application programs required for at least one function. The data storage area may store data created by the processor 901 and the like. In addition, the memory 902 may include high-speed random access memory and may also include non-transitory memory, such as at least one magnetic disk storage device, a flash memory device, or other non-transitory solid-state storage devices. In some embodiments, the memory 902 may optionally include a memory remotely provided with respect to the processor 901, and these remote memories may be connected to the processor 901 through a network. Examples of the above network include but are not limited to the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.

[0123] One or more modules are stored in the memory 902 and, when executed by the processor 901, execute the methods in the above method embodiments.

[0124] For specific details of the above electronic device, reference may be made to the corresponding related descriptions and effects in the above method embodiments for understanding, and details will not be described herein again.

[0125] Those skilled in the art can understand that to implement all or part of the processes in the above method embodiments, it can be completed by instructing relevant hardware through a computer program. The program can be stored in a computer-readable storage medium. When the program is executed, it may include the processes of the above method embodiments. Among them, the storage medium may be a magnetic disk, an optical disc, a read-only memory (ROM), a random access memory (RAM), a flash memory, a hard disk drive (HDD), or a solid-state drive (SSD), etc.; the storage medium may also include a combination of the above types of memories.

[0126] Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. A combined charging method for multiple charging piles, characterized in that, Applied to a multi-pile charging control unit, the multi-pile charging control unit is connected to all charging piles by means of signal lines. The object to be charged communicates charging data with the multi-pile charging control unit through a target charging pile. Among them, the power supply lines of multiple charging piles are connected in parallel for combined power supply. The method includes: Obtain the current usage status of each charging pile in the target area and the combined charging demand of the object to be charged; where the target area is an area where several charging piles are distributed, and the current usage status of each charging pile is divided into two types: charging and idle. The combined charging demand means that after the object to be charged accesses a certain charging pile, the charging mode selected and set by the user on this charging pile is the multi-pile combined charging mode. This combined charging demand specifically includes: the charging duration required by the object to be charged and the charging current parameter; Determine the target charging pile based on the combined charging demand; Determine the first charging pile set participating in the combined charging based on the combined charging demand and the current usage status of each charging pile; The determining the first charging pile set participating in the combined charging based on the combined charging demand and the current usage status of each charging pile includes: determining the target charging current of the object to be charged based on the combined charging demand; selecting the first charging pile set that meets the target charging current requirement from the charging piles with the current usage status of idle; The selecting the first charging pile set that meets the target charging current requirement from the charging piles with the current usage status of idle includes: determining the number of charging piles participating in the combined charging based on the target charging current and the preset single-pile charging current; selecting the charging piles that meet the number of charging piles from the charging piles with the current usage status of idle to form the first charging pile set; Establish the charging relationship between the target charging pile and the object to be charged; Control the target charging pile and the first charging pile set to perform combined charging for the object to be charged based on the charging relationship and the combined charging demand; The controlling the target charging pile and the first charging pile set to perform combined charging for the object to be charged based on the charging relationship and the combined charging demand includes: obtaining the first charging pile identifier corresponding to each first charging pile in the first charging pile set; receiving the first data sent by the object to be charged to the target charging pile based on the charging relationship, and forwarding the first data to each of the first charging piles based on the first charging pile identifier; receiving the second data sent by each of the first charging piles, and forwarding the second data to the target charging pile, so that the target charging pile feeds back the second data to the object to be charged based on the charging relationship.

2. The method according to claim 1, wherein The determining the target charging pile based on the combined charging demand includes: Determine the target charging pile identifier currently connected by the object to be charged based on the combined charging demand; Determine the target charging pile based on the target charging pile identifier.

3. The method according to claim 1, wherein Before selecting the first charging pile set that meets the target charging current requirement from the charging piles with the current usage status of idle, the method further includes: Obtain the first charging current corresponding to the target charging pile; Update the target charging current based on the first charging current.

4. The method according to claim 2, wherein Establishing the charging relationship between the target charging pile and the object to be charged includes: Based on the target charging pile identifier, establish the charging relationship between the target charging pile and the object to be charged.

5. A multi-charging-pile combined charging device, characterized in that Applied to a multi-pile charging control unit, the multi-pile charging control unit is connected to all charging piles through signal lines, and the object to be charged communicates charging data with the multi-pile charging control unit through the target charging pile. Among them, the power supply lines of multiple charging piles are connected in parallel to supply power jointly, including: An acquisition module for acquiring the current usage status of each charging pile in the target area and the combined charging requirements of the object to be charged; where the target area is an area where several charging piles are distributed, and the current usage status of each charging pile is divided into two types: charging and idle. The combined charging requirement means that after the object to be charged accesses a certain charging pile, the user selects and sets the charging mode as the multi-pile combined charging mode on this charging pile. The combined charging requirement specifically includes: the charging duration required by the object to be charged, and the charging current parameter; A first processing module for determining the target charging pile based on the combined charging requirements. A second processing module for determining the first charging pile set participating in the combined charging based on the combined charging requirements and the current usage status of each charging pile. Determining the first charging pile set participating in the combined charging based on the combined charging requirements and the current usage status of each charging pile includes: determining the target charging current of the object to be charged based on the combined charging requirements; selecting the first charging pile set that meets the target charging current requirement from the charging piles with the current usage status of idle. Selecting the first charging pile set that meets the target charging current requirement from the charging piles with the current usage status of idle includes: determining the number of charging piles participating in the combined charging based on the target charging current and the preset single-pile charging current; selecting the charging piles that meet the number of charging piles from the charging piles with the current usage status of idle to form the first charging pile set. A third processing module for establishing the charging relationship between the target charging pile and the object to be charged. A fourth processing module for controlling the target charging pile and the first charging pile set to perform combined charging for the object to be charged based on the charging relationship and the combined charging requirements. Controlling the target charging pile and the first charging pile set to perform combined charging for the object to be charged based on the charging relationship and the combined charging requirements includes: acquiring the first charging pile identifier corresponding to each first charging pile in the first charging pile set; receiving the first data sent by the object to be charged to the target charging pile based on the charging relationship, and forwarding the first data to each of the first charging piles based on the first charging pile identifier; receiving the second data sent by each of the first charging piles, and forwarding the second data to the target charging pile, so that the target charging pile feeds back the second data to the object to be charged based on the charging relationship.

6. An electronic device, characterized in that, Including: A memory and a processor, which are communicatively connected to each other. Computer instructions are stored in the memory, and the processor executes the computer instructions to execute the method according to any one of claims 1-4.

7. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores computer instructions, and the computer instructions are used to cause the computer to execute the method according to any one of claims 1-4.

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