A vehicle charging pile recommendation method and system based on vehicle-pile road network coupling

Abstract

The present application belongs to the field of planning and operation of electric vehicle charging, and discloses a vehicle charging pile recommendation method and system based on vehicle-pile-road network coupling. The method comprises: obtaining a charging request issued by an electric vehicle user; reading data around the electric vehicle; according to the user's demand and the capability of the electric vehicle interface, matching the network load data to obtain a plurality of available charging pile groups; using the obtained traffic data to give the time to reach the plurality of available charging pile groups according to the navigation data; obtaining the charging time and the final charging amount of each charging pile; sorting each charging pile according to the preset weight values of the charging time, the charging amount and the time to reach the charging pile to obtain a vehicle charging pile recommendation scheme based on vehicle-pile-road network coupling; and outputting the recommendation scheme. The present application comprehensively considers the user's demand, improves the comfort of user use, and at the same time solves the technical problem that the disordered charging scene brings great influence to the safe and economic operation of the power distribution network.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of planning and operation of electric vehicle charging, and particularly relates to a vehicle charging pile recommendation method and system based on vehicle-pile-road network coupling. BACKGROUND

[0002] The world is now facing increasingly severe environmental problems, and developing clean energy and ensuring energy security have become one of the core goals of energy strategy. Road transportation, mainly including vehicles, is the main source of carbon dioxide emissions, accounting for about 86% of the overall carbon emissions of the transportation industry. Electric vehicles (EVs) serve as a link and bridge between transportation electrification and power grid clean-up, and can realize deep coupling between electricity and transportation. EVs are a key link in the electric vehicle (vehicle)-charging pile (pile)-transportation (road)-power distribution (network).

[0003] The improvement of charging economy, reliability and service experience under EV flexible access, as well as the accommodation of various distributed green energy in the future, are inseparable from the charging pile recommendation scheme corresponding to the charging demand. Therefore, it is necessary to consider how to consider the coupling of vehicle-pile-road network and give a recommendation scheme of nearby charging piles when the electric vehicle has a charging demand. SUMMARY

[0004] The purpose of the application is to provide a vehicle charging pile recommendation method and system based on vehicle-pile-road network coupling, to solve the technical problem that unordered charging scenarios have a huge impact on the safe and economic operation of the power distribution network.

[0005] In order to achieve the above purpose, the application adopts the following technical scheme:

[0006] A vehicle charging pile recommendation method based on vehicle-pile-road network coupling, comprising:

[0007] S1, obtaining a charging request issued by an electric vehicle user, analyzing the remaining battery capacity of the electric vehicle in the charging request, and setting a remaining battery capacity reachable distance according to the remaining battery capacity;

[0008] S2, reading data around the electric vehicle; the data includes data of traffic around the electric vehicle, charging pile data within the remaining battery capacity reachable distance range, and power distribution network load data; wherein, according to the charging pile data within the remaining battery capacity reachable distance range, the available charging piles are obtained, and are grouped according to the charging current size; a plurality of first available charging pile groups with different charging currents are obtained;

[0009] S3, according to the demand of the user and the interface capacity of the electric vehicle, the maximum current of the electric vehicle charging is given, the charging piles which cannot meet the maximum current of the electric vehicle charging are deleted in a plurality of first available charging pile groups, and a plurality of second available charging pile groups are obtained;

[0010] S4, using the obtained distribution network load data, the charging piles with overload risk in the plurality of second available charging pile groups are deleted, and a plurality of third available charging pile groups are obtained;

[0011] S5, using the obtained traffic data, the time to reach the plurality of third available charging pile groups is given according to the navigation data;

[0012] S6, according to the remaining battery capacity and the time to reach the plurality of third available charging pile groups, the final remaining battery capacity of the electric vehicle reaching each charging pile in the plurality of third available charging pile groups is calculated, the charging capacity is calculated according to the final remaining battery capacity and the final charging capacity demand set by the user in the charging request, and the charging time of each charging pile is checked in combination with the charging current of the charging pile and the charging capacity;

[0013] S7, according to the charging time of each charging pile and the price of each charging pile, the final charging amount of each charging pile is calculated;

[0014] S8, according to the preset weight values of the charging time, the charging amount and the time to reach the charging pile, each charging pile is sorted to obtain an automobile charging pile recommendation scheme based on the coupling of the vehicle-pile-road network; and the recommendation scheme is output.

[0015] The further improvement of the application lies in that in step S1, the battery remaining capacity reachable distance is set according to the battery remaining capacity, specifically comprising:

[0016] If the battery remaining capacity is less than 5%, the reachable distance is set to 1-3km;

[0017] If the battery remaining capacity is greater than or equal to 5% and less than 10%, the reachable distance is set to 3-5km;

[0018] If the battery remaining capacity is greater than 10%, the reachable distance is set to 5-8km.

[0019] The further improvement of the application lies in that in step S2, all charging piles within the battery remaining capacity reachable distance range are obtained, the charging piles which are shut down and have vehicle charging are deleted, and the remaining charging piles are grouped according to the charging current; and a plurality of first available charging pile groups with different charging currents are obtained.

[0020] The further improvement of the application lies in that in step S8, one of the preset weight values of the charging time, the charging amount and the time to reach the charging pile is 1, and the other two are 0; and the recommendation scheme is obtained according to the sorting of the index with the preset weight value of 1;

[0021] Alternatively, the preset weight values of the charging time, the charging amount, and the time of reaching the charging pile are all greater than 0; the charging time, the charging amount, and the time of reaching the charging pile are respectively graded and coded, a grading weight is set for each grade; the product of the grading weight of the charging time grading of each charging pile and the preset weight value, the product of the grading weight of the charging amount grading of each charging pile and the preset weight value, and the product of the grading weight of the time of reaching the charging pile grading of each charging pile and the preset weight value are calculated, and summation is performed to obtain the recommendation data of each charging pile; the recommendation data of all charging piles are sorted to obtain a recommendation scheme.

[0022] In a second aspect, the present application provides a vehicle-charging pile recommendation system based on vehicle-pile-road network coupling, comprising:

[0023] A charging request acquisition module is configured to acquire a charging request issued by an electric vehicle user, analyze the remaining battery capacity of the electric vehicle in the charging request, and set a battery remaining capacity reachable distance according to the remaining battery capacity.

[0024] A surrounding data reading module is configured to read data surrounding the electric vehicle; the data includes data of traffic surrounding the electric vehicle, charging pile data within the battery remaining capacity reachable distance range, and distribution network load data; wherein, according to the charging pile data within the battery remaining capacity reachable distance range, the charging piles that can be used are acquired, and the charging piles are grouped according to the size of the charging current; a plurality of first available charging pile groups with different charging currents are obtained.

[0025] A first demand analysis module is configured to give the maximum current for charging the electric vehicle according to the demand of the user and the capability of the electric vehicle interface, and delete the charging piles in the plurality of first available charging pile groups that cannot meet the maximum current for charging the electric vehicle, to obtain a plurality of second available charging pile groups.

[0026] A second demand analysis module is configured to delete the charging piles in the plurality of second available charging pile groups that have an overload risk by using the acquired distribution network load data, to obtain a plurality of third available charging pile groups.

[0027] A third demand analysis module is configured to give the time of reaching the plurality of third available charging pile groups according to the navigation data by using the acquired traffic data.

[0028] A charging time analysis module is configured to calculate the final remaining battery capacity of the electric vehicle reaching each charging pile in the plurality of third available charging pile groups according to the remaining battery capacity and the time of reaching the plurality of third available charging pile groups, calculate the charging capacity according to the final remaining battery capacity and the final charging capacity demand set by the user in the charging request, and check the charging time of each charging pile in combination with the charging current of the charging pile and the charging capacity.

[0029] The charging amount analysis module is configured to calculate the final charging amount of each charging pile according to the charging time of each charging pile and the electricity price of each charging pile.

[0030] The sorting output module is configured to sort each charging pile according to the preset weight values of the charging time, the charging amount and the time to reach the charging pile, and obtain a car charging pile recommendation scheme based on the coupling of the car-pile-road network.

[0031] The further improvement of the application is that the charging request acquisition module sets the battery remaining capacity reachable distance according to the battery remaining capacity, and the battery remaining capacity reachable distance specifically includes:

[0032] If the battery remaining capacity is less than 5%, the reachable distance is set to 1-3km;

[0033] If the battery remaining capacity is greater than or equal to 5% and less than 10%, the reachable distance is set to 3-5km;

[0034] If the battery remaining capacity is greater than 10%, the reachable distance is set to 5-8km.

[0035] The further improvement of the application is that the surrounding data reading module acquires all charging piles within the battery remaining capacity reachable distance range, deletes the charging piles that are shut down or have cars charging, and groups the remaining charging piles according to the charging current size; and a plurality of first available charging pile groups with different charging currents are obtained.

[0036] The further improvement of the application is that in the sorting output module, one of the preset weight values of the charging time, the charging amount and the time to reach the charging pile is 1, and the other two are 0; the recommendation scheme is obtained by sorting according to the index with the preset weight value of 1;

[0037] Alternatively, the preset weight values of the charging time, the charging amount and the time to reach the charging pile are all greater than 0; the charging time, the charging amount and the time to reach the charging pile are respectively graded and coded, and a grading weight is set for each grade; the product of the grading weight of the charging time grading and the preset weight value, the product of the grading weight of the charging amount grading and the preset weight value, and the product of the grading weight of the time to reach the charging pile grading and the preset weight value are calculated, and the sum is obtained to obtain the recommendation data of each charging pile; the recommendation data of all charging piles are sorted to obtain the recommendation scheme.

[0038] In a third aspect, the application provides an electronic device comprising a processor and a memory, wherein the processor is configured to execute a computer program stored in the memory to realize the car-pile-road network coupling-based car charging pile recommendation method.

[0039] In a fourth aspect, the present application provides a computer readable storage medium, which stores at least one instruction, and the at least one instruction is executed by a processor to implement the method for recommending a charging pile for an electric vehicle based on coupling of a vehicle-pile-road network.

[0040] Compared with the prior art, the present application has the following beneficial effects:

[0041] Based on the charging demand of an electric vehicle, the present application provides a system for recommending a charging pile for an electric vehicle based on coupling of a vehicle-pile-road network, which can fully utilize the key indicators of the key factors of coupling between electric power and traffic, comprehensively consider the specific demand for charging, traffic conditions, and factors such as power grid operation and price, and give different recommendation schemes through the weight factors, comprehensively consider the demand of users, improve the comfort of users, and solve the technical problem of great influence on the safe and economic operation of a power distribution network in a disordered charging scenario. BRIEF DESCRIPTION OF DRAWINGS

[0042] The accompanying drawings, which form a part of the present application, are intended to provide further understanding of the present application, and the illustrative embodiments of the present application and their description serve the purpose of explaining the present application. The accompanying drawings should not be construed as an improper limitation of the present application. In the drawings:

[0043] Figure 1 FIG. 1 is a flowchart of a method for recommending a charging pile for an electric vehicle based on coupling of a vehicle-pile-road network according to the present application;

[0044] Figure 2 FIG. 2 is a structural block diagram of a system for recommending a charging pile for an electric vehicle based on coupling of a vehicle-pile-road network according to the present application;

[0045] Figure 3 FIG. 3 is a structural block diagram of an electronic device according to the present application. DETAILED DESCRIPTION

[0046] The present application will be described in detail below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0047] The following detailed description is exemplary and is intended to provide further detailed description of the present application. Unless otherwise specified, all technical terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs. The terms used in the present application are only for the purpose of describing the specific embodiments and are not intended to limit the exemplary embodiments according to the present application.

[0048] With the increasing proportion of randomness distributed power generation represented by photovoltaic and uncertain load represented by EV charging in the distribution network, how to ensure stable and reliable power supply while providing better charging service for EV users, promoting the consumption of renewable energy, and then achieving carbon neutralization has become a key problem for the deep coupling between "electricity-traffic". The application provides a car charging pile recommendation method based on vehicle-pile-road network coupling. By integrating the key factors affecting the coupling between "electricity-traffic", including charging demand (time, charging capacity, price), traffic congestion information, power flow information and other factors, the key indicators are hierarchically coded according to the importance, and the weight value is formed according to the user's selection of key factors. Finally, the charging piles near the electric vehicle are evaluated and sorted according to the product of the hierarchical coding and the weight value of the key factors, so as to realize the recommendation of the user's charging pile selection scheme, and solve the technical problem of the great impact of disordered charging on the safe and economic operation of the distribution network.

[0049] Embodiment 1

[0050] Referring to Figure 1 The application provides a car charging pile recommendation method based on vehicle-pile-road network coupling. The key indicators of the key factors affecting the coupling between "electricity-traffic", such as charging demand (time, charging capacity), traffic congestion information, and power flow information, are hierarchically coded according to the importance, and the weight value is formed according to the user's selection of key factors. Finally, the recommended value of the charging pile near the electric vehicle is determined according to the coding and the weight value, and the recommended scheme is given. Specifically, the following steps are included:

[0051] S1, obtain the charging request issued by the electric vehicle user, analyze the remaining battery capacity in the charging request, and classify it according to the following levels: less than 5%, 5-10% and more than 10%. According to the user's requirements, the remaining battery capacity reachable distance is set according to the remaining battery capacity, such as 5%, 1-3km, 5-10%, 3-5km, and 10% or more, 5-8km.

[0052] S2, read and analyze the data around the electric vehicle.

[0053] S21, first, obtain the data of the electric vehicle's surrounding traffic, and check the congestion degree of the surrounding roads according to the battery remaining capacity reachable distance;

[0054] S22, secondly, obtain the charging pile data within the battery remaining capacity reachable distance range, check the surrounding charging pile situation, and group them according to the following levels: unavailable (shutdown / with car charging), and charging current size; obtain several first available charging pile groups with different charging currents.

[0055] S23, then, the load data of the distribution network is acquired, the load rate of the line near each charging pile is checked, and whether the line is overloaded after superimposing the maximum charging current of the electric vehicle is judged;

[0056] S3, according to the demand of the user and the capability of the interface of the electric vehicle, the maximum current of the electric vehicle charging is given, the charging piles in the first available charging pile group that cannot meet the maximum current of the electric vehicle charging are deleted, and the second available charging pile group is obtained.

[0057] S4, using the acquired load data of the distribution network, according to the acquired line data near the charging pile of the distribution network and the information of possible overload, the charging piles with overload risk in the second available charging pile group are deleted, the available charging pile information is updated, and the third available charging pile group is obtained.

[0058] S5, using the acquired traffic data, the time to reach the third available charging pile group is given according to the navigation data.

[0059] S6, according to the remaining battery capacity in the charging request and the time to reach the third available charging pile group, the final remaining battery capacity of the electric vehicle reaching each charging pile in the third available charging pile group is calculated, the charging capacity is calculated according to the final remaining battery capacity and the final charging capacity demand set by the user in the charging request, and the charging time of each charging pile is checked combining the charging current of the charging pile and the charging capacity.

[0060] S7, according to the charging time of each charging pile and the price of each charging pile, the final charging amount of each charging pile is calculated.

[0061] S8, according to the demand given by the user, such as charging time, charging amount, time to reach the charging pile, or separate sorting, or sorting according to a certain weight, the charging scheme is given.

[0062] S81, according to the weight value given by the user: the weight value can be set for traffic time consumption, charging time consumption and amount size, respectively, such as according to the sorting, the amount size, traffic time consumption and charging time consumption are sorted, then according to 3 (amount size), 2 (traffic time consumption) and 1 (charging time consumption). Quantify the related indicators: traffic time consumption is classified and coded according to 3 (short), 2 (normal) and 1 (long); charging time consumption is classified and coded according to 3 (short), 2 (normal) and 1 (long); amount size is classified and coded according to 3 (discount), 2 (normal) and 1 (premium). Multiply the classification and weight value of each charging pile to obtain the sorting recommendation scheme.

[0063] S82, ranking according to a single index, giving a recommended scheme, such as ranking according to traffic time (arrival time at charging pile), ranking according to charging time, ranking according to charging amount from small to large. At this time, the weight of one of the indexes can be considered as 1, and the weights of the other indexes are 0.

[0064] S9, checking whether the user's demand is met, if not, going to step S2, otherwise ending.

[0065] Embodiment 2

[0066] Please refer to Figure 2 As shown in the figure, the application provides a vehicle charging pile recommendation system based on vehicle-pile-road network coupling, comprising:

[0067] A charging request acquisition module is configured to acquire a charging request issued by an electric vehicle user, analyze the remaining battery capacity of the electric vehicle in the charging request, and set a remaining battery capacity reachable distance according to the remaining battery capacity.

[0068] A surrounding data reading module is configured to read data surrounding the electric vehicle; the data includes data of traffic surrounding the electric vehicle, charging pile data within the remaining battery capacity reachable distance range, and distribution network load data; wherein, according to the charging pile data within the remaining battery capacity reachable distance range, the charging piles that can be used are acquired, and the charging piles are grouped according to the size of the charging current; a plurality of first available charging pile groups with different charging currents are obtained.

[0069] A first demand analysis module is configured to give the maximum current for charging the electric vehicle according to the demand of the user and the capability of the electric vehicle interface, and delete the charging piles in the plurality of first available charging pile groups that cannot meet the maximum current for charging the electric vehicle, to obtain a plurality of second available charging pile groups.

[0070] A second demand analysis module is configured to delete the charging piles in the plurality of second available charging pile groups that have an overload risk by using the acquired distribution network load data, to obtain a plurality of third available charging pile groups.

[0071] A third demand analysis module is configured to give the time to reach the plurality of third available charging pile groups according to the navigation data by using the acquired traffic data.

[0072] A charging time analysis module is configured to calculate the final remaining battery capacity of the electric vehicle reaching each charging pile in the plurality of third available charging pile groups according to the remaining battery capacity and the time to reach the plurality of third available charging pile groups, calculate the charging capacity according to the final remaining battery capacity and the final charging capacity demand set by the user in the charging request, and check the charging time of each charging pile in combination with the charging current of the charging pile and the charging capacity.

[0073] The charging amount analysis module is configured to calculate the final charging amount of each charging pile according to the charging time of each charging pile and the electricity price of each charging pile;

[0074] The sorting output module is configured to sort each charging pile according to the preset weight values of the charging time, the charging amount and the time to reach the charging pile, and obtain an automobile charging pile recommendation scheme based on the vehicle-pile-road network coupling; and output the recommendation scheme.

[0075] In an embodiment, the charging request acquisition module is configured to set the battery remaining capacity reachable distance according to the battery remaining capacity, specifically including:

[0076] If the battery remaining capacity is less than 5%, the reachable distance is set to 1-3km;

[0077] If the battery remaining capacity is greater than or equal to 5% and less than 10%, the reachable distance is set to 3-5km;

[0078] If the battery remaining capacity is greater than 10%, the reachable distance is set to 5-8km.

[0079] In an embodiment, the surrounding data reading module is configured to acquire all charging piles within the battery remaining capacity reachable distance range, delete the charging piles that are shut down or have vehicles charging, and group the remaining charging piles according to the charging current size; and obtain a plurality of first available charging pile groups with different charging currents.

[0080] In an embodiment, the sorting output module is configured to set one of the preset weight values of the charging time, the charging amount and the time to reach the charging pile to 1, and set the other two to 0; and sort the recommendation scheme according to the index with the preset weight value of 1;

[0081] Alternatively, the preset weight values of the charging time, the charging amount and the time to reach the charging pile are all greater than 0; the charging time, the charging amount and the time to reach the charging pile are respectively graded and coded, and a grading weight is set for each grade; the product of the grading weight of the charging time grading and the preset weight value, the product of the grading weight of the charging amount grading and the preset weight value, and the product of the grading weight of the time to reach the charging pile grading and the preset weight value are calculated, and the sum is obtained to obtain the recommendation data of each charging pile; and the recommendation data of all charging piles are sorted to obtain the recommendation scheme.

[0082] Embodiment 3

[0083] Please refer to Figure 3 The application also provides an electronic device 100 for implementing the automobile charging pile recommendation method based on the vehicle-pile-road network coupling; the electronic device 100 includes a memory 101, at least one processor 102, a computer program 103 stored in the memory 101 and executable on the at least one processor 102, and at least one communication bus 104.

[0084] The memory 101 can be used to store the computer program 103, and the processor 102 can realize the steps of the vehicle-pile road network coupling-based vehicle charging pile recommendation method by running or executing the computer program stored in the memory 101 and calling the data stored in the memory 101. The memory 101 can mainly include a program storage area and a data storage area, wherein the program storage area can store an operating system, at least one application program required by a function (such as a sound playing function, an image playing function, etc.), and the like; and the data storage area can store data (such as audio data) created according to the use of the electronic device 100. In addition, the memory 101 can include a non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a smart media card (SMC), a secure digital (SD) card, a flash card, at least one disk storage device, a flash memory device, or other non-volatile solid-state storage device.

[0085] The at least one processor 102 can be a central processing unit (CPU), and can 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 gates or transistor logic devices, discrete hardware components, etc. The processor 102 can be a microprocessor or any conventional processor, etc. The processor 102 is the control center of the electronic device 100, and is connected to various parts of the electronic device 100 through various interfaces and lines.

[0086] The memory 101 in the electronic device 100 stores a plurality of instructions to implement a vehicle-pile road network coupling-based vehicle charging pile recommendation method, and the processor 102 can execute the plurality of instructions to realize:

[0087] S1, obtaining a charging request issued by an electric vehicle user, analyzing the remaining battery capacity of the electric vehicle in the charging request, and setting a remaining battery capacity reachable distance according to the remaining battery capacity;

[0088] S2, reading data around the electric vehicle; the data includes data of traffic around the electric vehicle, data of charging piles within a distance range reachable by the remaining battery capacity, and data of distribution network load; wherein, according to the data of charging piles within the distance range reachable by the remaining battery capacity, the charging piles that can be used are obtained, and the charging piles are grouped according to the charging current size; a plurality of first available charging pile groups with different charging currents are obtained;

[0089] S3, according to the demand of the user and the capability of the interface of the electric vehicle, the maximum current for charging the electric vehicle is given, the charging piles that cannot meet the maximum current for charging the electric vehicle are deleted from the plurality of first available charging pile groups, and a plurality of second available charging pile groups are obtained;

[0090] S4, using the obtained data of distribution network load, the charging piles with overload risk in the plurality of second available charging pile groups are deleted, and a plurality of third available charging pile groups are obtained;

[0091] S5, using the obtained traffic data, the time for reaching the plurality of third available charging pile groups is given according to the navigation data;

[0092] S6, according to the remaining battery capacity and the time for reaching the plurality of third available charging pile groups, the final remaining battery capacity of the electric vehicle reaching each charging pile in the plurality of third available charging pile groups is calculated, the charging capacity is calculated according to the final remaining battery capacity and the final charging capacity demand set by the user in the charging request, and the charging time of each charging pile is checked in combination with the charging current of the charging pile and the charging capacity;

[0093] S7, according to the charging time of each charging pile and the price of each charging pile, the final charging amount of each charging pile is calculated;

[0094] S8, according to the preset weight values of the charging time, the charging amount, and the time for reaching the charging pile, each charging pile is sorted to obtain a charging pile recommendation scheme based on the coupling of the vehicle-pile-road network; and the recommendation scheme is output.

[0095] In a specific embodiment, in step S1, setting the distance reachable by the remaining battery capacity according to the remaining battery capacity specifically includes:

[0096] If the remaining battery capacity is less than 5%, the reachable distance is set to 1-3km;

[0097] If the remaining battery capacity is greater than or equal to 5% and less than 10%, the reachable distance is set to 3-5km;

[0098] If the remaining battery capacity is greater than 10%, the reachable distance is set to 5-8km.

[0099] In a specific embodiment, in step S2, all charging piles within the distance range reachable by the remaining battery power of the battery are obtained, the charging piles that are shut down or have vehicles charging are deleted, and the remaining charging piles are grouped according to the charging current size; a plurality of first available charging piles groups with different charging currents are obtained.

[0100] In a specific embodiment, in step S8, one of the preset weights of the charging time, the charging amount, and the time to reach the charging pile is 1, and the other two are 0; the recommended scheme is obtained by sorting according to the index with the preset weight of 1;

[0101] Alternatively, the preset weights of the charging time, the charging amount, and the time to reach the charging pile are all greater than 0; the charging time, the charging amount, and the time to reach the charging pile are respectively graded and coded, a grading weight is set for each grade; the product of the grading weight of the charging time grading and the preset weight, the product of the grading weight of the charging amount grading and the preset weight, and the product of the grading weight of the time to reach the charging pile grading and the preset weight are calculated, and the sum is summed to obtain the recommended data of each charging pile; the recommended data of all charging piles are sorted to obtain the recommended scheme.

[0102] Embodiment 4

[0103] The modules / units integrated in the electronic device 100, if realized in the form of a software function unit and sold or used as an independent product, can be stored in a computer readable storage medium. Based on this understanding, all or part of the processes in the above-mentioned embodiment methods can also be completed by a computer program instructing related hardware, and the computer program can be stored in a computer readable storage medium. When the processor executes the computer program, the steps of the above-mentioned various method embodiments can be implemented. The computer program includes computer program code, which can be in the form of source code, object code, executable files, or some intermediate forms. The computer readable medium can include any entity or device, recording medium, U disk, mobile hard disk, magnetic disk, optical disk, computer memory, and read-only memory (ROM, Read-Only Memory).

[0104] The application proposes a car charging pile recommendation scheme based on "car-pile-road-network" coupling, integrates key factors affecting the coupling between "power-traffic", including charging demand (time, charging amount), traffic congestion information, and power distribution network flow information, grades and codes the factors, forms weights according to the user's selection of the key factors, and finally gives a charging pile recommendation scheme. The related index definition and analysis steps are the key points and protection points of the patent.

[0105] Those skilled in the art will appreciate that embodiments of the application can be devised for a method, a system, or a computer program product. Accordingly, the present application can be embodied in the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application can take the form of a computer program product on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROMs, optical storage devices, etc.) embodying computer readable program code.

[0106] The present application is described in reference to the flowchart and / or block diagrams of the method, apparatus (system) and computer program product according to embodiments of the application. It will be understood that each block of the flowchart and / or block diagrams, and combinations of blocks in the flowchart 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 means for implementing the functions specified in the flowchart and / or block diagrams block or blocks. Figure 1 one or more functions specified in the flowchart and / or block diagram block or blocks. Figure 1 one or more functions specified in the flowchart and / or block diagram block or blocks.

[0107] These computer program instructions can also be stored in a computer- readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instructions which implement the function specified in the flowchart and / or block diagram block or blocks. Figure 1 one or more functions specified in the flowchart and / or block diagram block or blocks. Figure 1 one or more functions specified in the flowchart and / or block diagram block or blocks.

[0108] These computer program instructions can also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer-implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart and / or block diagram block or blocks. Figure 1 one or more functions specified in the flowchart and / or block diagram block or blocks. Figure 1 one or more functions specified in the flowchart and / or block diagram block or blocks.

[0109] Finally, it should be noted that the above-mentioned embodiments are merely intended for describing the technical solutions of the present application, but not for limiting it. Although the present application is described in detail with reference to the above embodiments, those skilled in the field should understand that the specific embodiments of the present application can be modified or replaced equivalently without departing from the spirit and scope of the present application, and any modification or equivalent replacement without departing from the spirit and scope of the present application should be covered in the protection scope of the claims of the present application.

Claims

1. A method for recommending electric vehicle charging stations based on vehicle-charging-road-network coupling, characterized in that, include: S1. Obtain the charging request sent by the electric vehicle user, analyze the remaining battery power of the electric vehicle in the charging request, and set the reachable distance based on the remaining battery power. S2. Read data around the electric vehicle; the data includes traffic data around the electric vehicle, charging pile data within the range of the remaining battery power, and power distribution network load data; wherein, based on the charging pile data within the range of the remaining battery power, obtain the available charging piles and group them according to the charging current; obtain several first available charging pile groups with different charging currents; S3. Based on the user's needs and the capabilities of the electric vehicle interface, provide the maximum charging current for the electric vehicle, and delete charging piles that cannot meet the maximum charging current of the electric vehicle from several first available charging pile groups to obtain several second available charging pile groups. S4. Using the obtained distribution network load data, delete several charging piles with overload risk from several second available charging pile groups to obtain several third available charging pile groups. S5. Using the acquired traffic data, provide the arrival time for several groups of available third-party charging stations according to the navigation data; S6. Based on the remaining battery power and the time to reach several third available charging pile groups, calculate the final remaining battery power of the electric vehicle to reach each charging pile in several third available charging pile groups. Calculate the charging power based on the final remaining battery power and the final charging amount requirement set by the user in the charging request. Combine the charging current of the charging pile and the charging power to verify the charging time of each charging pile. S7. Calculate the final charging amount for each charging station based on the charging time and electricity price of each charging station. S8. Sort each charging pile according to the preset weights of charging time, charging amount, and time to reach the charging pile, and obtain a recommended solution for car charging piles based on vehicle-charging-road-network coupling. Output the recommended solution.

2. The method for recommending electric vehicle charging stations based on vehicle-charging station-road network coupling according to claim 1, characterized in that, In step S1, setting the achievable distance based on the remaining battery power specifically includes: If the remaining battery power is less than 5%, the achievable distance can be set to 1-3km. If the remaining battery power is greater than or equal to 5% and less than 10%, the achievable distance is set to 3-5km; If the battery has more than 10% remaining charge, the achievable distance is set to 5-8km.

3. The method for recommending electric vehicle charging stations based on vehicle-charging station-road network coupling according to claim 1, characterized in that, In step S2, all charging piles within the reach of the remaining battery power are obtained, charging piles that are stopped or have vehicles charging are deleted, and the remaining charging piles are grouped according to the charging current; several first available charging piles with different charging currents are obtained.

4. The method for recommending electric vehicle charging stations based on vehicle-charging station-road network coupling according to claim 1, characterized in that, In step S8, one of the preset weights for charging time, charging amount, and time to reach the charging station is set to 1, while the other two are set to 0; the recommended scheme is obtained by sorting the indicators with a preset weight of 1. Alternatively, the preset weights for charging time, charging amount, and time to reach the charging station are all greater than 0; the charging time, charging amount, and time to reach the charging station are classified and coded respectively, and a weight is set for each level; Calculate the product of the grading weight and preset weight for each charging pile's charging time grading, the grading weight and preset weight for each charging amount grading, and the grading weight and preset weight for each charging pile's arrival time grading. Sum these results to obtain the recommended data for each charging pile. Sort the recommended data for all charging piles to obtain the recommended scheme.

5. A vehicle charging station recommendation system based on vehicle-charging station-road-network coupling, characterized in that, include: The charging request acquisition module is used to acquire charging requests issued by electric vehicle users, analyze the remaining battery power of the electric vehicle in the charging request, and set the reachable distance based on the remaining battery power. The surrounding data reading module is used to read data around the electric vehicle; the data includes traffic data around the electric vehicle, charging pile data within the range of the remaining battery power, and power distribution network load data; wherein, based on the charging pile data within the range of the remaining battery power, usable charging piles are obtained and grouped according to the charging current; and several first usable charging pile groups with different charging currents are obtained. The first demand analysis module is used to provide the maximum charging current of electric vehicles based on user needs and the capabilities of the electric vehicle interface, and to delete charging piles that cannot meet the maximum charging current of electric vehicles from several first available charging pile groups to obtain several second available charging pile groups. The second demand analysis module is used to use the acquired distribution network load data to delete charging piles with overload risk from several second available charging pile groups and obtain several third available charging pile groups. The third demand analysis module uses the acquired traffic data to provide the arrival time for several groups of available third charging stations based on the navigation data. The charging time analysis module is used to calculate the final remaining battery power of the electric vehicle to reach each of the several third available charging pile groups based on the remaining battery power and the time to reach the third available charging pile groups. Based on the final remaining battery power and the final charging amount demand set by the user in the charging request, the charging amount is calculated. Combined with the charging current and charging amount of the charging pile, the charging time of each charging pile is checked. The charging amount analysis module is used to calculate the final charging amount for each charging pile based on the charging time and electricity price of each charging pile. The sorting output module is used to sort each charging pile according to preset weights such as charging time, charging amount, and time to reach the charging pile, and obtain a recommended solution for car charging piles based on vehicle-charging-road-network coupling. Output the recommended solution.

6. The vehicle charging pile recommendation system based on vehicle-charging pile-road-network coupling according to claim 5, characterized in that, In the charging request acquisition module, setting the reachable distance based on the remaining battery power specifically includes: If the remaining battery power is less than 5%, the achievable distance can be set to 1-3km. If the remaining battery power is greater than or equal to 5% and less than 10%, the achievable distance is set to 3-5km; If the battery has more than 10% remaining charge, the achievable distance is set to 5-8km.

7. The vehicle charging pile recommendation system based on vehicle-charging pile-road-network coupling according to claim 5, characterized in that, In the surrounding data reading module, all charging piles within the reachable distance of the remaining battery power are obtained, charging piles that are out of service or have vehicles charging are deleted, and the remaining charging piles are grouped according to the charging current; and several first available charging pile groups with different charging currents are obtained.

8. The vehicle charging pile recommendation system based on vehicle-charging pile-road-network coupling according to claim 5, characterized in that, In the sorting output module, one of the preset weights for charging time, charging amount, and time to reach the charging station is 1, and the other two are 0; the recommended scheme is obtained by sorting according to the index with the preset weight of 1. Alternatively, the preset weights for charging time, charging amount, and time to reach the charging station are all greater than 0; the charging time, charging amount, and time to reach the charging station are classified and coded respectively, and a weight is set for each level; Calculate the product of the grading weight and preset weight for each charging pile's charging time grading, the grading weight and preset weight for each charging amount grading, and the grading weight and preset weight for each charging pile's arrival time grading. Sum these results to obtain the recommended data for each charging pile. Sort the recommended data for all charging piles to obtain the recommended scheme.

9. An electronic device, characterized in that, It includes a processor and a memory, the processor being used to execute a computer program stored in the memory to implement a vehicle charging pile recommendation method based on vehicle-charging-road-network coupling as described in any one of claims 1 to 4.

10. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores at least one instruction, which, when executed by a processor, implements a vehicle charging pile recommendation method based on vehicle-charging pile-road network coupling as described in any one of claims 1 to 4.

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