Load balancing method and apparatus for vehicle charging

Abstract

The embodiment of the present specification provides a load balancing method and device for vehicle charging, wherein the load balancing method for vehicle charging comprises the following steps: acquiring load parameters uploaded by multiple charging devices in a charging area controlled by a charging control terminal and charging parameters of a vehicle establishing a charging connection with the charging device; determining discharge parameters of the multiple charging devices according to the number of the multiple charging devices and total discharge parameters; calculating self-discharge parameters of each charging device in the multiple charging devices based on the discharge parameters and the charging parameters; and adjusting load parameters of the multiple charging devices according to the self-discharge parameters of the multiple charging devices.

Description

Technical Field

[0001] This document relates to the field of data processing technology, and in particular to a load balancing method and apparatus for vehicle charging. Background Technology

[0002] With technological advancements and rising living standards, the number of cars on the road is increasing, and vehicle emissions are significantly impacting the ecological environment. To address this deteriorating environment while meeting user demands, new energy electric vehicles have emerged. Despite their rapid development, the problem of charging difficulties remains unresolved. Charging electric vehicles at charging stations is cumbersome, error-prone, and inefficient. Furthermore, users unfamiliar with the charging applications are highly susceptible to charging failures, resulting in a poor user experience. Summary of the Invention

[0003] This specification provides one or more embodiments of a load balancing method for vehicle charging. The load balancing method includes: acquiring load parameters uploaded by multiple charging devices within a charging area controlled by the charging control terminal, and charging parameters of vehicles that have established charging connections with the charging devices; determining the discharge parameters of the multiple charging devices based on the number of devices and the total discharge parameters; calculating the electron discharge parameters of each charging device based on the discharge parameters and the charging parameters; and adjusting the load parameters of each charging device according to its electron discharge parameters.

[0004] This specification provides one or more embodiments of a vehicle charging load balancing device, comprising: a parameter acquisition module configured to acquire load parameters uploaded by multiple charging devices within a charging area controlled by the charging control terminal, and charging parameters of vehicles that have established charging connections with the charging devices; a discharge parameter determination module configured to determine the discharge parameters of the multiple charging devices based on the number of devices and the total discharge parameters; a sub-parameter calculation module configured to calculate the discharge parameters of each charging device among the multiple charging devices based on the discharge parameters and the charging parameters; and a load parameter adjustment module configured to adjust the load parameters of each charging device according to the discharge parameters of each charging device.

[0005] This specification provides one or more embodiments of a load balancing device for vehicle charging, comprising: a processor; and a memory configured to store computer-executable instructions, which, when executed, cause the processor to: acquire load parameters uploaded by multiple charging devices within a charging area controlled by the charging control terminal, and charging parameters of vehicles that have established charging connections with the charging devices; determine the discharge parameters of the multiple charging devices based on the number of devices and the total discharge parameters; calculate the electron discharge parameters of each charging device based on the discharge parameters and the charging parameters; and adjust the load parameters of each charging device according to the electron discharge parameters of each charging device.

[0006] This specification provides one or more embodiments of a storage medium for storing computer-executable instructions that, when executed by a processor, implement the following process: acquiring load parameters uploaded by multiple charging devices within a charging area controlled by the charging control terminal, and charging parameters of vehicles that have established charging connections with the charging devices; determining the discharge parameters of the multiple charging devices based on the number of devices and the total discharge parameters; calculating the electron discharge parameters of each charging device based on the discharge parameters and the charging parameters; and adjusting the load parameters of each charging device according to its electron discharge parameters. Attached Figure Description

[0007] To more clearly illustrate the technical solutions in one or more embodiments of this specification or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this specification. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0008] Figure 1 A flowchart illustrating a load balancing method for vehicle charging provided in one or more embodiments of this specification;

[0009] Figure 2 A schematic diagram of load balancing data relationships for vehicle charging provided in one or more embodiments of this specification;

[0010] Figure 3 A flowchart illustrating a load balancing method for vehicle charging in a community charging scenario, provided for one or more embodiments of this specification.

[0011] Figure 4 A schematic diagram of a load balancing device for vehicle charging provided for one or more embodiments of this specification;

[0012] Figure 5 This is a schematic diagram of the structure of a load balancing device for vehicle charging provided in one or more embodiments of this specification. Detailed Implementation

[0013] To enable those skilled in the art to better understand the technical solutions in one or more embodiments of this specification, the technical solutions in one or more embodiments of this specification will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this specification, and not all of the embodiments. Based on one or more embodiments of this specification, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this document.

[0014] This specification provides an embodiment of a load balancing method for vehicle charging:

[0015] In practical applications, the demand for new energy vehicles is strong, and various residential areas (such as communities) are investing in the construction of regional charging infrastructure. However, due to the limited power in each residential area, the deployment of charging piles is often impossible during the construction process due to insufficient power.

[0016] This embodiment provides a load balancing method for vehicle charging. A charging control terminal in the charging area controls the load of charging devices within the charging area. By assigning different discharge parameters to different charging devices, the number of usable charging devices is increased while maintaining a constant total discharge parameter, thereby improving the efficiency and convenience of charging for users within the charging area. Specifically, the discharge parameters of each charging device are determined based on the total discharge parameter and the number of charging devices in a discharging state controlled by the charging control terminal. Based on the discharge parameters and the charging parameters of vehicles connected to the charging devices, the discharge parameters of each charging device are calculated, and the load parameters of each charging device are adjusted according to these discharge parameters. Thus, starting from the total discharge parameter and the number of charging devices in a discharging state, load balancing is achieved for charging devices in a charging state, improving charging efficiency and the number of charging devices. Based on the power consumption returned from each user's charging port, a unified load decision is made at the charging control terminal, and the power output to each charging device is controlled in real time according to the decision results, achieving flexible control of vehicle charging.

[0017] Reference Figure 1 The load balancing method for vehicle charging provided in this embodiment specifically includes steps S102 to S108.

[0018] Step S102: Obtain the load parameters uploaded by multiple charging devices within the charging area controlled by the charging control terminal, as well as the charging parameters of the vehicle that has established a charging connection with the charging device.

[0019] The charging area refers to a region defined according to certain conditions, including communities or industrial parks. A unified charging control terminal is established for each charging area, connecting upwards to the electricity management agency to supply electricity, and downwards to the electricity meters of each user residing within the charging area, enabling individual billing for each user. The charging equipment includes charging piles and charging guns; optionally, the charging equipment is installed in homes or directly in community parking spaces, using low-cost charging guns installed directly in users' own parking spaces or public parking spaces in the community, solving the problem of high construction costs. Optionally, the charging equipment connects to the electricity meters of users within the service area corresponding to the charging area; there is a corresponding relationship between the charging equipment and users within the charging area.

[0020] The load parameters include the discharge power of the charging device. When each user's charging device charges the vehicle, it interacts with the vehicle's BMS (Battery Management System), acquiring information such as the vehicle's battery level and uploading this information to the charging control terminal. The charging parameters include the vehicle's battery level. It should be noted that in this embodiment, the load parameter can be 0; a load parameter of 0 indicates that a charging connection has been established with the vehicle but discharge has not yet begun.

[0021] In practice, different charging modes can be provided to standardize charging services within the charging area; in this embodiment, three different charging modes are used to describe charging access.

[0022] (1) Plug and charge

[0023] To improve the convenience of vehicle charging for users, a plug-and-charge method can be adopted. That is, after the charging device establishes a charging connection with the vehicle, it will start charging as soon as it detects that the vehicle's battery is low, without requiring user interaction, thus improving user convenience.

[0024] In one optional implementation of this embodiment, the following operations are performed before charging the vehicle:

[0025] Obtain the discharge request uploaded after the target charging device establishes a charging connection with the vehicle; the discharge request includes device information and vehicle information;

[0026] Verify whether the vehicle battery level contained in the vehicle information is the preset battery level;

[0027] If so, send a full charge reminder to the target charging device to display it;

[0028] If not, a discharge command is sent to the target charging device.

[0029] Specifically, after establishing a charging connection with the vehicle, the target charging device reads the vehicle identifier and vehicle battery level from the vehicle's BMS. Based on the vehicle identifier, vehicle battery level, and the charging device's identifier, it generates a discharge request and uploads it to the charging control terminal. The charging control terminal receives the discharge request uploaded by the target charging device. To avoid wasting resources and damaging the vehicle battery by charging the vehicle when it is fully charged, the terminal verifies whether the vehicle battery level is full upon receiving the discharge request. If it is, a full charge reminder is sent to the target charging device, which then displays the reminder. If not, a discharge command is sent to the target charging device.

[0030] It should also be noted that, in the case of charging equipment installed at a home, since the charging fee needs to be paid by the corresponding user, to avoid other users using the charging equipment and causing the user to have to pay for additional resources, in this embodiment, after verifying that the vehicle's battery level is not the preset level, it verifies whether the vehicle identifier contained in the vehicle information matches the device information; if yes, a discharge command is issued to the target charging equipment to discharge; if no, a charging confirmation request containing the vehicle identifier and the device information is sent to the service platform; the service platform reads the user account associated with the device information according to the charging confirmation request, and sends a charging confirmation reminder carrying the vehicle identifier to the user terminal bound to the user account; if the service platform detects the charging confirmation command submitted by the user terminal for the charging confirmation reminder, it synchronizes the charging confirmation command to the charging control terminal, and the charging control terminal issues a discharge command to the target charging equipment based on the charging confirmation command. In this embodiment, the service platform is, for example, a payment platform.

[0031] Furthermore, after the charging device establishes a connection with the vehicle and / or user, it can send a vehicle identifier to the charging device, which then stores the vehicle identifier. Upon detecting a connection with the vehicle, the charging device reads the vehicle information and verifies whether the vehicle's battery level is within the preset range. If so, it sends a full-charge reminder to the charging device. If not, it verifies whether the vehicle identifier in the vehicle information matches the stored vehicle identifier. If so, it uploads a discharge request carrying the vehicle's battery level to the charging control terminal. The charging control terminal performs load balancing and sends a discharge command carrying discharge parameters to the charging device, which then performs the discharge process based on the discharge parameters. If not, it sends a discharge request to the charging device... The charging control terminal uploads a discharge request carrying device and vehicle information. The charging control terminal then sends a charging confirmation request containing vehicle identification and device information to the service platform. The service platform reads the user account associated with the device information based on the charging confirmation request and sends a charging confirmation reminder carrying the vehicle identification to the user terminal bound to that account. If the service platform detects a charging confirmation command submitted by the user terminal in response to the charging confirmation reminder, it synchronizes the charging confirmation command to the charging control terminal. The charging control terminal performs load balancing based on the charging confirmation command and the vehicle's battery level, and issues a discharge command carrying discharge parameters to the charging equipment. The charging equipment then performs the discharge process based on these parameters. The preset battery level is 100%.

[0032] Furthermore, to ensure the resource security of the users to whom the charging equipment belongs, the service platform requires the vehicle undergoing charging to pay the charging fee. Optionally, after the service platform synchronizes a charging confirmation instruction to the charging control terminal, it generates a payment order for the second user associated with the charging equipment from the first user corresponding to the vehicle that has established a charging connection with the charging equipment, based on the charging information synchronized by the charging control terminal after charging is completed, and sends it to the first user. Optionally, the charging information includes charging duration, charging fee, etc., for the payment of related fees.

[0033] It should be noted that before the charging control terminal sends a discharge command to the charging equipment, it needs to perform load balancing based on the vehicle's battery level. The load balancing method is as shown in steps S104 to S106 below. After obtaining the discharge parameters of the charging equipment through load balancing, a discharge command containing the discharge parameters is sent to the charging equipment.

[0034] (2) Access charging

[0035] To ensure the safety of vehicle charging and prevent the loss of power to the target charging device or the loss of user resources due to other users using the target charging device bound to the user, the user must submit a charging request to the target charging device through the user terminal before charging can proceed.

[0036] In one optional implementation of this embodiment, the target charging device is discharged in the following manner:

[0037] The system obtains a charging request sent by the service platform, which carries the device identifier of the target charging device; the charging request is submitted by the user to whom the target charging device belongs, based on the user account associated with the target charging device.

[0038] Based on the charging request, detect whether there is a target vehicle that has established a charging connection with the target charging device;

[0039] If so, read the target charging parameters of the target vehicle uploaded by the target charging device, and calculate the target discharge parameters based on the target charging parameters; send a discharge command carrying the target discharge parameters to the target charging device to perform discharge processing according to the target discharge parameters;

[0040] If not, no action needs to be taken.

[0041] Specifically, the user submits a charging command through a charging sub-application within a service application running on the user terminal. The charging sub-application then submits a charging request to the charging platform. The charging platform reads the device information of the associated target charging device based on the user identifier in the charging request and sends a charging request carrying the read device information to the charging control terminal. The charging control terminal receives the charging request and checks whether the target charging device corresponding to the device information has established a charging connection with the target vehicle. If so, it obtains the target charging parameters of the target vehicle uploaded by the target charging device and calculates the target discharge parameters of the target charging device based on the number of charging devices connected to the vehicle, the total discharge parameters, and the charging parameters of the connected vehicle. The target discharge parameters include the discharge power.

[0042] The charging parameters of the vehicle establishing the charging connection include the target charging parameters; the target vehicle is any vehicle that establishes a charging connection with the target charging device; after the user is associated with the target charging device, the charging e-application records the association relationship between the user identifier and the target charging device.

[0043] Furthermore, after the execution result of detecting whether a target vehicle has established a charging connection with the target charging device based on the charging request is yes, before calculating the target discharge parameters based on the target charging parameters, the following operation can also be performed to verify whether the vehicle is associated with the target charging device:

[0044] Based on the vehicle identifier of the target vehicle uploaded by the target charging device, verify whether the vehicle identifier matches the stored vehicle identifier; if yes, perform the operation of calculating the target discharge parameters based on the target charging parameters; if no, send a charging confirmation request containing the vehicle identifier and device information to the service platform. It should be noted that the process of verifying whether the vehicle establishing the charging connection is associated with the target charging device is similar to the verification process in the plug-and-charge mode described above; please refer to the relevant content above, and it will not be repeated here.

[0045] (3) Scheduled charging

[0046] To improve the convenience of using charging equipment and avoid disruptions to users' travel when there are many charging vehicles available but users urgently need to charge, this embodiment allows users to make reservations in advance. For example, a user can reserve a vehicle for 4 PM the following day. In one optional implementation of this embodiment, after the user makes a charging reservation through their user terminal, the charging control terminal performs the following operations:

[0047] Based on the vehicle identifier and charging time included in the charging reservation request sent by the service platform, a reservation reminder is generated and sent to the target charging device corresponding to the device identifier included in the charging reservation request;

[0048] or,

[0049] Based on the vehicle identifier and charging time included in the charging reservation request sent by the service platform, a reservation reminder is generated, and based on the vehicle identifier included in the charging request, the target charging device associated with the account identifier is determined;

[0050] Send the reservation reminder to the target charging device.

[0051] Furthermore, in an optional implementation of this embodiment, the target charging device performs the following operations:

[0052] If a charging connection with the target vehicle is detected, the vehicle information of the target vehicle is read from the battery management system of the target vehicle;

[0053] If the current time matches the charging time, verify whether the vehicle identifier is consistent with the vehicle identifier contained in the vehicle information; if they are consistent, proceed with the discharge process; if they are inconsistent, display a scheduled reminder.

[0054] If the current time matches the charging time, a discharge command is uploaded to the charging control terminal. The process of uploading the discharge command to the charging control terminal and subsequent procedures are similar to the relevant content in the plug-and-charge and access charging modes described above, and can be referred to the relevant content above.

[0055] Specifically, if the charging reservation request sent by the service platform contains a device identifier, the vehicle identifier and charging time contained in the charging reservation request are sent to the target charging device corresponding to the device identifier; if the charging reservation request sent by the service platform does not contain a device identifier, the vehicle identifier and charging time contained in the charging reservation request are sent to the target charging device associated with the vehicle identifier contained in the charging reservation request.

[0056] Upon receiving the vehicle identifier and charging time, the target charging device stores them. If a charging connection with the target vehicle is detected, the device reads the vehicle identifier from the target vehicle's battery management system. If the time difference between the current time and the stored charging time is less than a time threshold, the device verifies whether the vehicle identifier matches the one corresponding to the stored charging time. If they match, the device performs a discharge process. If they do not match, a scheduled charging reminder containing the charging time is displayed. If the time difference between the current time and the stored charging time is greater than or equal to the time threshold, the device can charge the vehicle using either the plug-and-charge mode or the access charging mode.

[0057] It should be noted that the vehicle verification processes in the three modes provided above can be referenced or combined, and the verification order is not restricted. For example, in the reservation mode, the target charging device verifies whether the vehicle identifier matches the vehicle identifier corresponding to the stored charging time; if so, it verifies whether the target vehicle's battery level is at the preset level; if so, it performs a discharge process; if not, it provides a full charge reminder.

[0058] In practice, since the charging equipment is connected to the user's electricity meter, if a large amount of electricity is used for vehicle charging, it will lead to insufficient household electricity, affecting the user's living conditions. In order to achieve centralized control of "peak shaving and valley filling", the charging control terminal can set and manage the time periods during which the charging equipment can start charging. For example, it can be set so that the charging area can start charging from 12:00 midnight to 5:00 am the next day, and charging is prohibited at other times, thereby solving the problem of insufficient electricity in the charging area.

[0059] In one optional implementation method provided in this embodiment, the charging time period is controlled in the following way:

[0060] Obtain the discharge request uploaded after the target charging device establishes a charging connection with the vehicle;

[0061] Verify whether the request time carried in the discharge request is within the admission time range;

[0062] If so, a discharge command is sent to the target charging device;

[0063] If not, send access billing rules to the service platform to send billing rule reminders to the user account associated with the target charging device.

[0064] Furthermore, instead of sending access billing rules to the service platform to remind users of the billing rules associated with the target charging device, the alternative could be to send a "no charging" reminder to the target charging device, which would then display the reminder. For example, the "no charging" reminder could be: "The current time is a no-charging period. Please charge between midnight and 5 AM the next day."

[0065] Specifically, if the charging control terminal receives a discharge request uploaded after the target charging device establishes a charging connection with the vehicle, it verifies whether the request time carried in the discharge request is within the access time range. If so, it performs load balancing and sends a discharge command containing discharge parameters to the target charging device; otherwise, it indicates that the current time is an unchargeable time.

[0066] To address the issue of users having to charge, the charging price is increased during prohibited charging times. This controls charging demand while simultaneously ensuring users have to charge. Specifically, if the current time is a non-charging period, to enhance user awareness of the charging price, the access billing rules for the current time are read and sent to the service platform. The service platform then sends a billing rule reminder to the user associated with the target charging device. Further, after receiving the access confirmation instruction submitted by the user based on the billing rule reminder, the service platform forwards the access confirmation instruction to the charging control terminal to issue a discharge instruction to the target charging device. In one optional implementation of this embodiment, the charging control terminal performs the following operation: based on the access confirmation instruction submitted by the user based on the billing rule reminder forwarded by the service platform, it issues a discharge instruction to the target charging device.

[0067] The charging control terminal performs load balancing based on the access confirmation instruction forwarded by the service platform and then sends a discharge instruction containing discharge parameters to the target charging device.

[0068] For example, the charging price during permitted charging hours is m1 yuan / kWh; the charging price during prohibited charging hours is m2 yuan / kWh (m2>2m1); the permitted charging time range is from 12:00 AM to 5:00 AM the next day, and all other times are prohibited charging times. If a vehicle plugs in to charge at 2:00 PM, the target charging device, after detecting the established charging connection with the vehicle, uploads a discharge request to the charging control terminal. The charging control terminal verifies whether it falls within the permitted charging time range based on the request time carried in the discharge request. Since 2:00 PM falls within the prohibited charging time range, it sends the charging price m2 yuan / kWh and the device identifier of the target charging device to the service platform. The service platform determines the user account associated with the device identifier and sends a billing rule reminder containing the charging price m2 yuan / kWh to the user terminal running that user account. After receiving the access confirmation instruction submitted by the user based on the billing rule reminder, the service platform forwards the access confirmation instruction to the charging control terminal, which then issues a charging instruction to the target charging device according to the access confirmation instruction.

[0069] To further enhance users' awareness of the charging unit price, the billing rule reminder could be: "Charging at the current time costs m2 yuan / kWh, while charging between midnight and 5 a.m. the next day costs m1 yuan / kWh. Please confirm whether you want to charge now."

[0070] Furthermore, in an optional implementation of this embodiment, the charging control terminal also performs the following operations:

[0071] Obtain the charging termination request uploaded after the charging connection between the target charging device and the vehicle is disconnected;

[0072] The charging fee is calculated based on the access billing rules and charging information, and the payment is processed based on the user account.

[0073] Specifically, if a charging termination request is received after the charging connection between the target charging device and the vehicle is disconnected, the charging fee is calculated based on the access billing rules and charging information, and the charging fee is sent to the service platform to remind the user to pay the charging fee.

[0074] The charging information includes information such as discharge capacity and discharge duration used to calculate charging costs; this information can be determined according to the actual scenario, and is not limited in this embodiment.

[0075] It should be noted that the verification of whether the request time is within the access time range, whether the vehicle identification is consistent with the vehicle identification stored in the charging device, and whether the vehicle battery level is the preset battery level can be combined in any form, and this embodiment does not limit it.

[0076] In practice, after the charging equipment establishes a charging connection with the vehicle, to improve the charging control terminal's perception of relevant data from each charging equipment and the vehicle, the charging equipment interacts with the vehicle's BMS in real time and uploads the data obtained from this interaction to the charging control terminal in real time. Therefore, the charging control terminal obtains in real time the load parameters uploaded by multiple charging equipment within the charging area controlled by the charging control terminal, as well as the charging parameters of the vehicle connected to the charging equipment; that is, it obtains the discharge power uploaded by multiple charging equipment within the charging area controlled by the charging control terminal, and the battery level of the vehicle connected to the charging equipment. The multiple charging equipment includes the charging equipment connected to the vehicle.

[0077] During the actual implementation, the battery level and charging cost of vehicles in the charging state can be pushed to users in real time through the service application.

[0078] Step S104: Determine the discharge parameters of the multiple charging devices based on the number of devices and the total discharge parameters.

[0079] The total discharge parameters include the total discharge power allocated by the power management agency for vehicle charging; for example, the total discharge power allocated to all charging devices is 1000 watts. Based on the total discharge power, the discharge power allocated to each charging device needs to be calculated, which is the discharge parameter of the charging device.

[0080] In practical implementation, to ensure that the charging devices that establish a charging connection with the vehicle obtain discharge power fairly and reasonably, in an optional implementation method provided in this embodiment, the following operation is performed during the process of determining the discharge parameters of the multiple charging devices based on the number of devices and the total discharge parameters:

[0081] Based on the total discharge parameters and the number of devices, an average parameter is calculated as the discharge parameter of the plurality of charging devices.

[0082] For example, if the total discharge power is 1000W and there are 10 charging devices in the charging state, then the calculation is 1000 ÷ 10 = 100W, which means that the discharge parameter of each charging device is 100W.

[0083] In the actual execution process, in order to avoid the charging device with a load parameter of 0 being unable to charge immediately due to the long load balancing time, after determining the discharge parameters of each charging device among multiple charging devices, a discharge command containing the discharge parameters is issued to each charging device among multiple charging devices, so as to perform discharge processing based on the discharge parameters.

[0084] Step S106: Based on the discharge parameters and the charging parameters, calculate the electron discharge parameters of each of the plurality of charging devices.

[0085] The discharge parameters include the discharge power of the charging device after load balancing of the discharge power. Optionally, in this embodiment, the charging parameter is the percentage of the vehicle's current battery level to the required battery level, i.e., the vehicle's battery level; the discharge parameter or discharge parameter is the discharge power.

[0086] In practice, to extend the lifespan of vehicle batteries, the discharge power is reduced during charging once the vehicle's battery level reaches a certain percentage. This reduced discharge power is then allocated to charging devices for vehicles with battery levels below a threshold. This approach ensures battery safety while improving charging efficiency and achieving efficient utilization of discharge power.

[0087] In one optional implementation of this embodiment, the process of calculating the electron discharge parameters of each of the plurality of charging devices based on the discharge parameters and the charging parameters is implemented in the following manner:

[0088] The reference parameters are determined as the electron discharge parameters of the first charging device that establishes a charging connection with the first vehicle, and the discharge parameters are determined as the electron discharge parameters of the second charging device that establishes a charging connection with the second vehicle.

[0089] Calculate the number of vehicles in the first vehicle, and calculate the allocatable parameters based on the number of vehicles, the discharge parameters, and the reference parameters;

[0090] The allocable parameters are assigned to the third charging devices that establish a charging connection with the third vehicle to obtain the allocation parameters of each third charging device.

[0091] Based on the allocation parameters and discharge parameters of each third charging device, the electron discharge parameters of each third charging device are calculated.

[0092] Optionally, the first vehicle includes vehicles with charging parameters greater than or equal to the first charging parameter; the second vehicle includes vehicles with charging parameters less than the first charging parameter but greater than or equal to the second charging parameter; and the third vehicle includes vehicles with charging parameters less than the second charging parameter. To ensure vehicle battery safety, when the vehicle's charge level exceeds a preset level, the discharge power needs to be controlled below a certain value; the first charging parameter is the preset charge level; and the reference parameter includes the maximum discharge power set to ensure vehicle battery safety. For example, when the vehicle's charge level reaches 60%, the discharge power needs to be maintained at 80W or below to ensure vehicle battery safety; where 60% is the first charging parameter and 80W is the reference parameter.

[0093] In the specific implementation process, during load balancing, the reference power is first determined as the discharge power of the first charging device that establishes a charging connection with vehicles whose battery level is greater than or equal to the first battery level. The discharge power of each charging device, determined based on the number of devices and total discharge parameters, is then determined as the discharge power of the second charging device that establishes a charging connection with vehicles whose battery level is greater than or equal to the second battery level but less than the first battery level. Then, the discharge power and discharge power of the first charging device are used to calculate the allocable power, and the allocable power is allocated to the third charging device that establishes a charging connection with vehicles whose battery level is less than the second battery level, thereby obtaining the discharge power of the third charging device.

[0094] For example, the first charge level is 60%, the second charge level is 30%, and the base power is 80W. Among 10 vehicles that have established a charging connection with the charging equipment and are charging, 3 vehicles (c1, c2, c3) have a charge level exceeding 60% of the required charge level, 3 vehicles (c4, c5, c6) have a charge level between 30% and 60% of the required charge level, and 4 vehicles (c7, c8, c9, c10) have a charge level less than 30% of the required charge level. The discharge power of the charging equipment connected to c1, c2, and c3 is reduced from 100W to 80W, while the discharge power of the charging equipment connected to c4, c5, and c6 remains unchanged at 100W. After reducing the discharge power of the charging equipment connected to c1, c2, and c3 from 100W to 80W, there is a surplus of 20 × 3 = 60W of power while keeping the total power unchanged. This 60W is then allocated to the charging equipment connected to c7, c8, c9, and c10.

[0095] In the process of allocating surplus allocable parameters to third charging devices that establish charging connections with third vehicles and obtaining the allocation parameters of each third charging device, the allocation can be carried out by average allocation or proportional allocation. In addition, other allocation methods can also be used, which are not limited in this embodiment. The following describes the average allocation and proportional allocation methods in detail. Other allocation methods calculate the allocation parameters according to the corresponding algorithms.

[0096] In the first optional implementation provided in this embodiment, the process of allocating the allocatable parameters to the third charging devices that establish a charging connection with the third vehicle, and obtaining the allocation parameters of each third charging device, is carried out in the following manner:

[0097] The parameter ratio of the third vehicle is calculated based on the charging parameters of each vehicle in the third vehicle.

[0098] The allocation parameters for each third charging device are calculated according to the allocatable parameters and the parameter ratio.

[0099] Specifically, in order to further improve the charging efficiency of vehicles, in the process of allocating the allocatable parameters to the third charging devices that establish a charging connection with the third vehicles and obtaining the allocation parameters of each third charging device, the first step is to calculate the battery percentage of each third vehicle based on the battery percentage of each vehicle in the third vehicles; the allocation ratio of the third charging devices is determined based on the battery percentage of the third vehicles; and the allocation power of each third charging device is calculated based on the allocatable parameters and the allocation ratio.

[0100] Continuing with the previous example, during the process of allocating 60W to the charging equipment connected to C7, C8, C9, and C10, the vehicle battery levels of C7, C8, and C9 are 10%, and the vehicle battery level of C10 is 20%. The calculated battery ratio of C7, C8, C9, and C10 is 1:1:1:2. Therefore, the allocation ratio to the charging equipment connected to C7, C8, C9, and C10 is determined to be 2:1:1:1. Based on the 60W and the allocation ratio, the calculation of the charging equipment connected to C7... The allocated power is 60 × 2 ÷ 5 = 24 W. The power allocated to the charging devices that establish charging connections with c8, c9, and c10 is 60 × ÷ 5 = 12 W. After calculating the power allocated to the charging devices that establish charging connections with c7, c8, c9, and c10, based on the discharge power of the charging devices (100 W) and the allocated power, the discharge power of the charging device that establishes a charging connection with c7 is calculated to be 124 W, and the discharge power of the charging devices that establish charging connections with c8, c9, and c10 is calculated to be 112 W.

[0101] In the second optional implementation provided in this embodiment, the process of allocating the allocatable parameters to the third charging devices that establish a charging connection with the third vehicle, and obtaining the allocation parameters of each third charging device, is carried out in the following manner:

[0102] Calculate the average allocation parameter based on the number of vehicles in the third vehicle and the allocable parameters;

[0103] The average allocation parameter is determined as the allocation parameter for each of the third charging devices.

[0104] Specifically, load balancing of the charging devices is achieved by evenly distributing the allocatable parameters to the third charging device.

[0105] For example, if 60W is allocated to the charging devices connected to C7, C8, C9, and C10, each charging device can receive 60 ÷ 4 = 15W. Therefore, the discharge power of the charging devices connected to C7, C8, C9, and C10 after load balancing is 100 + 15 = 115W.

[0106] Furthermore, steps S104 to S106 can be replaced by calculating the discharge parameters of each charging device among the plurality of charging devices based on the number of devices, the total discharge parameters, the load parameters, and the charging parameters, and forming a new implementation method with other processing steps provided in this embodiment; or, it can be replaced by calculating the discharge parameters of each charging device among the plurality of charging devices based on the load parameters, the charging parameters, and the total discharge parameters, and forming a new implementation method with other processing steps provided in this embodiment.

[0107] In the process of calculating the discharge parameters of each of the multiple charging devices based on the load parameters, the charging parameters, and the total discharge parameters, it is not necessary to calculate the discharge parameters. The discharge parameters are obtained by calculating the load parameters based on the charging parameters, and it is sufficient to ensure that the sum of the discharge parameters of each charging device is not greater than the total discharge parameters.

[0108] Optionally, the electron discharge parameters of each of the plurality of charging devices can be calculated based on the load parameters, the charging parameters, and the total discharge parameters in the following manner:

[0109] The reference parameter is determined as the discharge electron parameter of the first charging device that establishes a charging connection with a vehicle whose charging parameter is greater than or equal to the charging parameter threshold.

[0110] The first allocatable parameter is obtained by calculating the difference between the load parameter of the first charging device and the reference parameter;

[0111] The second allocatable parameter is obtained by calculating the difference between the total discharge parameter and the sum of the load parameters of the plurality of load parameters;

[0112] Calculate the allocatable parameters based on the first allocatable parameter and the second allocatable parameter;

[0113] The allocable parameters are assigned to the allocation parameters of the second charging device that establishes a charging connection with a vehicle whose charging parameters are less than the charging parameter threshold.

[0114] The electron discharge parameters of each second charging device are calculated based on the allocation parameters and load parameters of each second charging device.

[0115] The calculation of the allocatable parameters based on the first allocatable parameter and the second allocatable parameter includes calculating the sum of the first allocatable parameter and the second allocatable parameter; the calculation of the discharge parameters of each second charging device according to the allocation parameters and load parameters of each second charging device includes: calculating the sum of the allocation parameters and load parameters of each second charging device as the discharge parameters of each second charging device.

[0116] Steps S104 to S106 above can also be replaced by calculating the discharge parameters of each charging device among the plurality of charging devices based on the load parameters and the charging parameters, and forming a new implementation method with other processing steps provided in this embodiment; Optionally, calculating the discharge parameters of each charging device among the plurality of charging devices based on the load parameters and the charging parameters includes:

[0117] The reference parameter is determined as the discharge electron parameter of the first charging device that establishes a charging connection with a vehicle whose charging parameter is greater than or equal to the charging parameter threshold.

[0118] The difference between the load parameters of the first charging device and the reference parameters is calculated to obtain the allocatable parameters;

[0119] The allocable parameters are assigned to the allocation parameters of the second charging device that establishes a charging connection with a vehicle whose charging parameters are less than the charging parameter threshold.

[0120] The electron discharge parameters of each second charging device are calculated based on the allocation parameters and load parameters of each second charging device.

[0121] Step S108: Adjust the load parameters of each charging device according to the discharge parameters of each charging device.

[0122] In practice, after obtaining the discharge parameters of each charging device through load balancing, the load parameters of each charging device are adjusted according to the discharge parameters.

[0123] In this embodiment, the load parameter adjustment includes adjusting the load parameters of each charging device to the discharge parameters after load balancing, so as to perform discharge processing according to the discharge parameters.

[0124] For example, if the discharge power of the charging devices that establish charging connections with c7, c8, c9, and c10 is 115W after load balancing, then the discharge power of the charging devices that establish charging connections with c7, c8, c9, and c10 will be adjusted from 100W to 115W.

[0125] It should be noted that during the load balancing process, other factors can also be combined to calculate the discharge parameters of each charging device. The specific configuration can be made according to the actual scenario, and this embodiment does not limit it.

[0126] In summary, the vehicle charging load balancing method provided in this embodiment involves the following steps: After the charging equipment within the charging area controlled by the charging control terminal establishes a charging connection with the vehicle, it sends the load power and vehicle power to the charging control terminal. The charging control terminal determines the initial discharge power allocated to each charging equipment based on the number of charging equipment and the total discharge power allocated by the power management agency, so that each charging equipment discharges according to the initial discharge power. Then, based on the initial discharge power and the vehicle power, the load of each charging equipment is balanced to obtain the discharge power of each charging equipment after load balancing. Based on the discharge power of each charging equipment, the power of each charging equipment is adjusted from the initial discharge power to the discharge power. In this way, the power supply in the charging area is dynamically allocated. At the same time, combined with dynamic pricing methods and means, the impact of charging equipment on the capacitor in the charging area is reduced.

[0127] The following example uses the load balancing method for vehicle charging provided in this embodiment in a community charging scenario as an example, combined with... Figure 2 and Figure 3 The load balancing method for vehicle charging provided in this embodiment will be further explained by referring to [reference needed]. Figure 3 The load balancing method for vehicle charging in community charging scenarios includes the following steps.

[0128] like Figure 2 As shown, in this embodiment, the charging equipment is connected to the household electricity meter of the user in the community. The charging control terminal obtains the total discharge power allocated to the community from the power management agency. After obtaining the total allocated power, it dynamically balances the power allocated to each charging device, so that the charging device charges the vehicle according to the allocated charging power. During this process, the charging control terminal realizes the dynamic balance of power supply through the vehicle power and total discharge parameters read by the vehicle BMS, and instructs the charging device to discharge the vehicle.

[0129] Step S302: Obtain the discharge power and vehicle battery level uploaded by multiple charging devices that have established a charging connection with the vehicle within the community.

[0130] Step S304: Calculate the initial discharge power of each charging device among the multiple charging devices based on the number of devices and the total discharge power.

[0131] Step S306: Send a discharge reminder containing the initial discharge power to each charging device so that discharge processing is performed according to the initial discharge power.

[0132] Step S308: Calculate the discharge power of each charging device based on the initial discharge power of each charging device and the corresponding vehicle's battery level.

[0133] Optionally, the corresponding vehicle is the vehicle that has established a charging connection with the charging equipment.

[0134] Step S310: Send a discharge reminder containing the discharge power to each charging device so as to adjust the load of the charging device according to the discharge power.

[0135] The following is an embodiment of a load balancing device for vehicle charging provided in this specification:

[0136] In the above embodiments, a load balancing method for vehicle charging is provided, and correspondingly, a load balancing device for vehicle charging is also provided, which will be described below with reference to the accompanying drawings.

[0137] Reference Figure 4 The diagram shows a load balancing device for vehicle charging provided in this embodiment.

[0138] Since the apparatus embodiments correspond to the method embodiments, the descriptions are relatively simple. For relevant parts, please refer to the corresponding descriptions of the method embodiments provided above. The apparatus embodiments described below are merely illustrative.

[0139] This embodiment provides a load balancing device for vehicle charging, including:

[0140] The parameter acquisition module 402 is configured to acquire load parameters uploaded by multiple charging devices within the charging area controlled by the charging control terminal, as well as charging parameters of vehicles that have established charging connections with the charging devices.

[0141] The discharge parameter determination module 404 is configured to determine the discharge parameters of the plurality of charging devices based on the number of devices and the total discharge parameters.

[0142] The sub-parameter calculation module 406 is configured to calculate the electron discharge parameters of each of the plurality of charging devices based on the discharge parameters and the charging parameters.

[0143] The load parameter adjustment module 408 is configured to adjust the load parameters of each charging device according to the discharge parameters of each charging device.

[0144] The following is an embodiment of a load balancing device for vehicle charging provided in this specification:

[0145] Corresponding to the load balancing method for vehicle charging described above, based on the same technical concept, one or more embodiments of this specification also provide a load balancing device for vehicle charging, which is used to execute the load balancing method for vehicle charging provided above. Figure 5 This is a schematic diagram of the structure of a load balancing device for vehicle charging provided in one or more embodiments of this specification.

[0146] This embodiment provides a load balancing device for vehicle charging, comprising:

[0147] like Figure 5 As shown, the load balancing device for vehicle charging can vary significantly due to differences in configuration or performance. It may include one or more processors 501 and a memory 502, where one or more application programs or data may be stored. The memory 502 can be temporary or persistent storage. The application programs stored in the memory 502 may include one or more modules (not shown), each module including a series of computer-executable instructions from the vehicle charging load balancing device. Furthermore, the processor 501 may be configured to communicate with the memory 502 and execute the series of computer-executable instructions in the memory 502 on the vehicle charging load balancing device. The vehicle charging load balancing device may also include one or more power supplies 503, one or more wired or wireless network interfaces 504, one or more input / output interfaces 505, one or more keyboards 506, etc.

[0148] In one specific embodiment, the vehicle charging load balancing device includes a memory and one or more programs, wherein the one or more programs are stored in the memory, and the one or more programs may include one or more modules, and each module may include a series of computer-executable instructions for the vehicle charging load balancing device, and is configured to be executed by one or more processors. The one or more programs include computer-executable instructions for performing the following:

[0149] The system acquires load parameters uploaded by multiple charging devices within the charging area controlled by the charging control terminal, as well as charging parameters of vehicles that have established charging connections with the charging devices.

[0150] The discharge parameters of the multiple charging devices are determined based on the number of devices and the total discharge parameters.

[0151] Based on the discharge parameters and the charging parameters, calculate the electron discharge parameters of each of the plurality of charging devices;

[0152] The load parameters of each charging device are adjusted according to the discharge parameters of each charging device.

[0153] This specification provides an example of a storage medium as follows:

[0154] Corresponding to the load balancing method for vehicle charging described above, based on the same technical concept, one or more embodiments of this specification also provide a storage medium.

[0155] The storage medium provided in this embodiment is used to store computer-executable instructions, which, when executed by a processor, implement the following process:

[0156] The system acquires load parameters uploaded by multiple charging devices within the charging area controlled by the charging control terminal, as well as charging parameters of vehicles that have established charging connections with the charging devices.

[0157] The discharge parameters of the multiple charging devices are determined based on the number of devices and the total discharge parameters.

[0158] Based on the discharge parameters and the charging parameters, calculate the electron discharge parameters of each of the plurality of charging devices;

[0159] The load parameters of each charging device are adjusted according to the discharge parameters of each charging device.

[0160] It should be noted that the embodiments concerning the storage medium in this specification and the embodiments concerning the load balancing method for vehicle charging in this specification are based on the same inventive concept. Therefore, the specific implementation of this embodiment can be referred to the implementation of the corresponding method described above, and the repeated parts will not be described again.

[0161] The foregoing has described specific embodiments of this specification. Other embodiments are within the scope of the appended claims. In some cases, the actions or steps recited in the claims may be performed in a different order than that shown in the embodiments and may still achieve the desired result. Furthermore, the processes depicted in the drawings do not necessarily require the specific or sequential order shown to achieve the desired result. In some embodiments, multitasking and parallel processing are possible or may be advantageous.

[0162] In the 1930s, improvements to a technology could be clearly distinguished as either hardware improvements (e.g., improvements to the circuit structure of diodes, transistors, switches, etc.) or software improvements (improvements to the methodology). However, with technological advancements, many improvements to the methodology today can be considered direct improvements to the hardware circuit structure. Designers almost always obtain the corresponding hardware circuit structure by programming the improved methodology into the hardware circuit. Therefore, it cannot be said that an improvement to the methodology cannot be implemented using a hardware physical module. For example, a Programmable Logic Device (PLD) (e.g., a Field Programmable Gate Array (FPGA)) is such an integrated circuit whose logic function is determined by the user programming the device. Designers can program a digital system themselves to "integrate" it onto a PLD, without needing chip manufacturers to design and manufacture dedicated integrated circuit chips. Furthermore, nowadays, instead of manually manufacturing integrated circuit chips, this programming is mostly implemented using "logic compiler" software. Similar to the software compiler used in program development, the original code before compilation must be written in a specific programming language, called a Hardware Description Language (HDL). There are many HDLs, such as ABEL (Advanced Boolean Expression Language), AHDL (Altera Hardware Description Language), Confluence, CUPL (Cornell University Programming Language), HDCal, JHDL (Java Hardware Description Language), Lava, Lola, MyHDL, PALASM, and RHDL (Ruby Hardware Description Language). Currently, the most commonly used are VHDL (Very-High-Speed ​​Integrated Circuit Hardware Description Language) and Verilog. Those skilled in the art should understand that by simply performing some logic programming on the method flow using one of these hardware description languages ​​and programming it into an integrated circuit, the hardware circuit implementing the logical method flow can be easily obtained.

[0163] The controller can be implemented in any suitable manner. For example, it can take the form of a microprocessor or processor and a computer-readable medium storing computer-readable program code (e.g., software or firmware) executable by the (micro)processor, logic gates, switches, application-specific integrated circuits (ASICs), programmable logic controllers, and embedded microcontrollers. Examples of controllers include, but are not limited to, the following microcontrollers: ARC625D, Atmel AT91SAM, Microchip PIC18F26K20, and Silicon Labs C8051F320. A memory controller can also be implemented as part of the control logic of the memory. Those skilled in the art will also recognize that, in addition to implementing the controller in purely computer-readable program code form, the same functionality can be achieved by logically programming the method steps to make the controller take the form of logic gates, switches, ASICs, programmable logic controllers, and embedded microcontrollers. Therefore, such a controller can be considered a hardware component, and the means included therein for implementing various functions can also be considered as structures within the hardware component. Alternatively, the means for implementing various functions can be considered as both software modules implementing the method and structures within the hardware component.

[0164] The systems, devices, modules, or units described in the above embodiments can be implemented by computer chips or entities, or by products with certain functions. A typical implementation device is a computer. Specifically, a computer can be, for example, a personal computer, laptop computer, cellular phone, camera phone, smartphone, personal digital assistant, media player, navigation device, email device, game console, tablet computer, wearable device, or any combination of these devices.

[0165] For ease of description, the above apparatus is described by dividing it into various functional units. Of course, when implementing the embodiments of this specification, the functions of each unit can be implemented in one or more software and / or hardware.

[0166] Those skilled in the art will understand that one or more embodiments of this specification can be provided as a method, system, or computer program product. Therefore, one or more embodiments of this specification may take the form of a completely hardware embodiment, a completely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, this specification may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0167] This specification is described with reference to flowchart illustrations and / or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of this specification. It will be understood that each block of the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, special-purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create a machine for implementing the flowchart illustrations and / or block diagrams. Figure 1 One or more processes and / or boxes Figure 1 A device that provides the functions specified in one or more boxes.

[0168] These computer program instructions may also be stored in a computer-readable storage medium that can direct a computer or other programmable data processing device to function in a particular manner, such that the instructions stored in the computer-readable storage medium produce an article of manufacture including instruction means, which are implemented in a process Figure 1 One or more processes and / or boxes Figure 1 The function specified in one or more boxes.

[0169] These computer program instructions may also be loaded onto a computer or other programmable data processing equipment to cause a series of operational steps to be performed on the computer or other programmable equipment to produce a computer-implemented process, thereby providing instructions that execute on the computer or other programmable equipment for implementing the process. Figure 1 One or more processes and / or boxes Figure 1 The steps of the function specified in one or more boxes.

[0170] In a typical configuration, a computing device includes one or more processors (CPU), input / output interfaces, network interfaces, and memory.

[0171] Memory may include non-persistent storage in computer-readable media, such as random access memory (RAM) and / or non-volatile memory, such as read-only memory (ROM) or flash RAM. Memory is an example of computer-readable media.

[0172] Computer-readable media includes both permanent and non-permanent, removable and non-removable media that can store information using any method or technology. Information can be computer-readable instructions, data structures, modules of programs, or other data. Examples of computer storage media include, but are not limited to, phase-change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technologies, CD-ROM, digital versatile optical disc (DVD) or other optical storage, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other non-transferable medium that can be used to store information accessible by a computing device. As defined herein, computer-readable media does not include transient computer-readable media, such as modulated data signals and carrier waves.

[0173] It should also be noted that the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0174] One or more embodiments of this specification can be described in the general context of computer-executable instructions, such as program modules, that are executed by a computer. Generally, program modules include routines, programs, objects, components, data structures, etc., that perform a particular task or implement a particular abstract data type. One or more embodiments of this specification can also be practiced in distributed computing environments where tasks are performed by remote processing devices connected via a communication network. In distributed computing environments, program modules can reside in local and remote computer storage media, including storage devices.

[0175] The various embodiments in this specification are described in a progressive manner. Similar or identical parts between embodiments can be referred to interchangeably. Each embodiment focuses on describing the differences from other embodiments. In particular, the system embodiments are basically similar to the method embodiments, so the description is relatively simple; relevant parts can be referred to the descriptions in the method embodiments.

[0176] The above description is merely an embodiment of this document and is not intended to limit the scope of this document. Various modifications and variations can be made to this document by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this document should be included within the scope of the claims of this document.

Claims

1. A load balancing method for vehicle charging, applied to a charging control terminal, comprising: The system acquires load parameters uploaded by multiple charging devices within the charging area controlled by the charging control terminal, as well as charging parameters of vehicles that have established charging connections with the charging devices. The charging equipment is connected to the user's electricity meter, and the charging equipment in the charging area has a corresponding relationship with the user; The discharge parameters of the multiple charging devices are determined based on the number of devices and the total discharge parameters. The reference parameter is determined as the electron discharge parameter of the first charging device that establishes a charging connection with the first vehicle, and the discharge parameter is determined as the electron discharge parameter of the second charging device that establishes a charging connection with the second vehicle. The number of the first vehicles is calculated. Based on the number of vehicles, the discharge parameter and the reference parameter, the allocable parameter is calculated. The allocable parameter is allocated to the third charging device that establishes a charging connection with the third vehicle to obtain the allocation parameter of each third charging device. Based on the allocation parameter of each third charging device and the discharge parameter, the electron discharge parameter of each third charging device is calculated. The load parameters of each charging device are adjusted according to the discharge parameters of each charging device.

2. The load balancing method for vehicle charging according to claim 1, wherein allocating the allocatable parameters to the third charging devices that establish a charging connection with the third vehicle, and obtaining the allocation parameters for each third charging device, includes: The parameter ratio of the third vehicle is calculated based on the charging parameters of each vehicle in the third vehicle. The allocation parameters for each third charging device are calculated according to the allocatable parameters and the parameter ratio.

3. The load balancing method for vehicle charging according to claim 1, wherein allocating the allocatable parameters to the third charging devices that establish a charging connection with the third vehicle, and obtaining the allocation parameters for each third charging device, includes: Calculate the average allocation parameter based on the number of vehicles in the third vehicle and the allocable parameters; The average allocation parameter is determined as the allocation parameter for each of the third charging devices.

4. The load balancing method for vehicle charging according to claim 1 further includes: Obtain the discharge request uploaded after the target charging device establishes a charging connection with the vehicle; Verify whether the request time carried in the discharge request is within the admission time range; If so, a discharge command is sent to the target charging device; If not, send access billing rules to the service platform to send billing rule reminders to the user account associated with the target charging device.

5. The load balancing method for vehicle charging according to claim 4, further comprising, after sending the access fee to the service platform to send the operation execution to the user account associated with the target charging device, the method includes: Based on the access confirmation instruction submitted by the user according to the billing rules and forwarded by the service platform, a discharge instruction is issued to the target charging device.

6. The load balancing method for vehicle charging according to claim 5 further includes: Obtain the charging termination request uploaded after the charging connection between the target charging device and the vehicle is disconnected; The charging fee is calculated based on the access billing rules and charging information, and the payment is processed based on the user account.

7. The load balancing method for vehicle charging according to claim 1 further includes: Obtain a charging request sent by the service platform, which carries the device identifier of the target charging device; The charging request is submitted by the user to whom the target charging device belongs, based on the user account associated with the target charging device. Based on the charging request, detect whether there is a target vehicle that has established a charging connection with the target charging device; If so, read the target charging parameters of the target vehicle uploaded by the target charging device, and calculate the target discharge parameters based on the target charging parameters; A discharge command carrying the target discharge parameters is sent to the target charging device to perform discharge processing according to the target discharge parameters.

8. The load balancing method for vehicle charging according to claim 1, further comprising: Based on the vehicle identifier and charging time included in the charging reservation request sent by the service platform, a reservation reminder is generated and sent to the target charging device corresponding to the device identifier included in the charging reservation request; or, Based on the vehicle identifier and charging time included in the charging reservation request sent by the service platform, a reservation reminder is generated, and based on the vehicle identifier included in the charging request, the target charging device associated with the vehicle identifier is determined. Send the reservation reminder to the target charging device.

9. The load balancing method for vehicle charging according to claim 8, wherein the target charging device performs the following operations: If a charging connection with the target vehicle is detected, the vehicle information of the target vehicle is read from the battery management system of the target vehicle; If the current time matches the charging time, verify whether the vehicle identifier is consistent with the vehicle identifier contained in the vehicle information; If they match, then proceed with the discharge process.

10. The load balancing method for vehicle charging according to claim 1, further comprising: Obtain the discharge request uploaded after the target charging device establishes a charging connection with the vehicle; The discharge request includes device information and vehicle information; Verify whether the vehicle battery level contained in the vehicle information is the preset battery level; If not, a discharge command is sent to the target charging device.

11. The load balancing method for vehicle charging according to claim 1, wherein the first vehicle includes vehicles whose charging parameters are greater than or equal to the first charging parameter; the second vehicle includes vehicles whose charging parameters are less than the first charging parameter but greater than or equal to the second charging parameter; and the third vehicle includes vehicles whose charging parameters are less than the second charging parameter.

12. A load balancing device for vehicle charging, comprising: The parameter acquisition module is configured to acquire load parameters uploaded by multiple charging devices within the charging area controlled by the charging control terminal, as well as charging parameters of vehicles that have established charging connections with the charging devices; the charging devices are connected to the user's electricity meter, and the charging devices within the charging area have a corresponding relationship with the user; The discharge parameter determination module is configured to determine the discharge parameters of the plurality of charging devices based on the number of devices and the total discharge parameters. The sub-parameter calculation module is configured to determine the reference parameter as the electron discharge parameter of the first charging device that establishes a charging connection with the first vehicle and the discharge parameter as the electron discharge parameter of the second charging device that establishes a charging connection with the second vehicle, calculate the number of the first vehicles, calculate the allocatable parameters based on the number of vehicles, the discharge parameters and the reference parameter, allocate the allocatable parameters to the third charging devices that establish a charging connection with the third vehicle, obtain the allocation parameters of each third charging device, and calculate the electron discharge parameter of each third charging device based on the allocation parameters of each third charging device and the discharge parameters. The load parameter adjustment module is configured to adjust the load parameters of each charging device according to the discharge parameters of each charging device.

13. A load balancing device for vehicle charging, comprising: processor; And, a memory configured to store computer-executable instructions, which, when executed, cause the processor to: The system acquires load parameters uploaded by multiple charging devices within the charging area controlled by the charging control terminal, as well as charging parameters of vehicles that have established charging connections with the charging devices; the charging devices are connected to the user's electricity meter, and there is a corresponding relationship between the charging devices and the user within the charging area. The discharge parameters of the multiple charging devices are determined based on the number of devices and the total discharge parameters. The reference parameter is determined as the electron discharge parameter of the first charging device that establishes a charging connection with the first vehicle, and the discharge parameter is determined as the electron discharge parameter of the second charging device that establishes a charging connection with the second vehicle. The number of the first vehicles is calculated. Based on the number of vehicles, the discharge parameter and the reference parameter, the allocable parameter is calculated. The allocable parameter is allocated to the third charging device that establishes a charging connection with the third vehicle to obtain the allocation parameter of each third charging device. Based on the allocation parameter of each third charging device and the discharge parameter, the electron discharge parameter of each third charging device is calculated. The load parameters of each charging device are adjusted according to the discharge parameters of each charging device.

14. A storage medium for storing computer-executable instructions, which, when executed by a processor, perform the following process: The system acquires load parameters uploaded by multiple charging devices within the charging area controlled by the charging control terminal, as well as charging parameters of vehicles that have established charging connections with the charging devices; the charging devices are connected to the user's electricity meter, and there is a corresponding relationship between the charging devices and the user within the charging area. The discharge parameters of the multiple charging devices are determined based on the number of devices and the total discharge parameters. The reference parameter is determined as the electron discharge parameter of the first charging device that establishes a charging connection with the first vehicle, and the discharge parameter is determined as the electron discharge parameter of the second charging device that establishes a charging connection with the second vehicle. The number of the first vehicles is calculated. Based on the number of vehicles, the discharge parameter and the reference parameter, the allocable parameter is calculated. The allocable parameter is allocated to the third charging device that establishes a charging connection with the third vehicle to obtain the allocation parameter of each third charging device. Based on the allocation parameter of each third charging device and the discharge parameter, the electron discharge parameter of each third charging device is calculated. The load parameters of each charging device are adjusted according to the discharge parameters of each charging device.

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