CN117799482B - Charging management method for electric vehicle, storage medium and electronic equipment - Google Patents
Charging management method for electric vehicle, storage medium and electronic equipment Download PDFInfo
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- CN117799482B CN117799482B CN202410216663.0A CN202410216663A CN117799482B CN 117799482 B CN117799482 B CN 117799482B CN 202410216663 A CN202410216663 A CN 202410216663A CN 117799482 B CN117799482 B CN 117799482B
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- 238000007726 management method Methods 0.000 title abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 38
- 230000005611 electricity Effects 0.000 claims abstract description 22
- 238000007599 discharging Methods 0.000 claims abstract description 19
- 238000012545 processing Methods 0.000 claims abstract description 5
- 230000008859 change Effects 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 8
- 238000004590 computer program Methods 0.000 claims description 7
- 238000012216 screening Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/62—Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
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- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to the field of vehicle charging, and in particular, to a charging management method for an electric vehicle, a storage medium, and an electronic device. The method comprises the following steps: and acquiring the total vehicle charging electricity consumption W1 and the charging demand average W avg corresponding to the target period in the target area and the total remaining chargeable quantity W2 of all the mobile charging platforms. If W2 is greater than W1, carrying out power supply priority configuration processing to generate power supply priority of each mobile charging platform. And generating a charging control instruction corresponding to the vehicle to be charged according to the charging request and the power supply priority. Therefore, according to the sorting condition of the power supply priority, when the mobile charging platform is matched with the vehicle to be charged, the mobile charging platform with higher discharging efficiency and more residual electric quantity can be preferentially configured, so that the discharging efficiency during charging and the probability that a single mobile charging platform can complete a charging task after one-time charging can be improved, and the charging efficiency of the vehicle to be charged is further improved.
Description
Technical Field
The present invention relates to the field of vehicle charging, and in particular, to a charging management method for an electric vehicle, a storage medium, and an electronic device.
Background
With the improvement of environmental protection consciousness and the development of electric automobile technology, the development of electric automobiles driven by electric energy to replace traditional automobiles powered by fossil fuel has gradually become an important target in the automobile field, so that the electric automobiles are becoming more and more popular. And the quick charging of the electric automobile becomes a difficult problem in the use process of the electric automobile.
In order to solve the problem of difficult charging of electric automobiles, the prior art provides a movable charging platform. The mobile charging platform is usually deployed in a parking lot, and after a user sends a charging instruction, the mobile charging platform can reach a parking space with a designated number in the parking lot according to a preset planning route and charge a vehicle on the parking space.
The residual electric quantity of the batteries in the mobile charging platform is different, so that the discharging efficiency during charging is also different. Therefore, how to charge the mobile charging platform corresponding to the current charging requirement of the vehicle to be charged is performed according to the charging requirement of the vehicle to be charged, so that the charging efficiency is improved, and the improved direction for improving the use experience of the user is achieved.
Disclosure of Invention
Aiming at the technical problem of improving the charging efficiency, the invention adopts the following technical scheme:
according to an aspect of the present invention, there is provided a charge management method of an electric vehicle, the method including the steps of:
And responding to the preset starting time reaching the target area, and acquiring the total vehicle charging electricity consumption W1 corresponding to the target period in the target area and the charging demand average W avg corresponding to each charging vehicle. The preset starting time is the starting time of the target period.
And acquiring the remaining chargeable total W2 of all the mobile charging platforms currently in the target area.
If W2 is greater than W1, carrying out power supply priority configuration processing on each mobile charging platform in the target area, and generating the power supply priority corresponding to each mobile charging platform in the target area.
And generating a charging control instruction corresponding to the vehicle to be charged according to the charging request and the power supply priority which are generated by the obtained vehicle to be charged in the target period.
The power supply priority configuration process includes:
And acquiring the current remaining available electric quantity W s of the mobile charging platform.
According to W s and W avg, generating a power supply priority A corresponding to the mobile charging platform, wherein the power supply priority A meets the following conditions:
Wherein P 1 is a first priority value. P 2 is the second priority value and, . K 1 is the corresponding discharge efficiency decay rate of the mobile charging platform battery. P 3 is the third priority value and,. Y1 is the remaining power at the inflection point of the discharge efficiency.
Further, after generating the power supply priority corresponding to each mobile charging platform in the target area, the method further includes:
And generating a charging sequence corresponding to the target period in the target area according to the order of the power supply priority from high to low.
And respectively taking the mobile charging platforms corresponding to the first N bits in the charging sequence as primary power supply platforms. The sum of the remaining available electric quantity of the first N mobile charging platforms in the charging sequence is larger than W1 for the first time.
Further, according to the obtained charging request and power supply priority of the vehicle to be charged generated in the target period, a charging control instruction corresponding to the vehicle to be charged is generated, including:
And determining a corresponding target power supply platform from the front N primary power supply platforms according to the power supply priority and the acquired charging request, and generating a corresponding charging and discharging control instruction.
And configuring power grid compensation control instructions for each secondary power supply platform. The secondary power supply platform is a mobile charging platform corresponding to the power supply priority after the Nth bit in the charging sequence.
Further, the charge request includes a request charge amount W Q.
And determining a corresponding target power supply platform from the front N primary power supply platforms according to the power supply priority and the acquired charging request, and generating a corresponding charging and discharging control instruction.
And screening the primary platform to be powered from the plurality of primary power supply platforms according to the residual chargeable total amount and W Q. The primary power supply platform to be powered is a primary power supply platform with the total remaining chargeable amount being larger than W Q.
And determining the primary platform to be powered with the highest power supply priority in the primary platforms to be powered as the target power supply platform.
Further, obtaining the total vehicle charging electricity consumption W1 of the target period in the target area and the charging demand average W avg corresponding to each charging vehicle includes:
And generating the total vehicle charging electricity W1 of the target period in the target area according to the average value of the vehicle historical charging total corresponding to the target period in the target area.
Further, obtaining the total vehicle charging electricity consumption W1 of the target period in the target area and the charging demand average W avg corresponding to each charging vehicle includes:
And generating a charging demand average value W avg corresponding to each charging vehicle in the target period in the target region according to the average value of the historical charging demands of all vehicles corresponding to the target period in the target region.
Further, after the total vehicle charging electricity consumption W1 of the target period in the target area and the charging demand average W avg corresponding to each charging vehicle are obtained, the method further includes:
And when each check period is arranged, the total charging electricity consumption W 1 jy of the check vehicles in the target period in the target area at the current moment and the check charging demand average W avg jy corresponding to each to-be-charged vehicle are obtained again.
If it isThen useReplacement of。
If it isThen useReplacement of。
Wherein Y2 is a first check threshold and Y3 is a second check threshold.
Further, the target period is an intersection of a busy period of the vehicle charging demand in the target area and a peak period of the grid power consumption.
According to a second aspect of the present invention, there is provided a non-transitory computer-readable storage medium storing a computer program which, when executed by a processor, implements a method of charge management of an electric vehicle as described above.
According to a third aspect of the present invention, there is provided an electronic device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing a method of charge management of an electric vehicle as described above when executing the computer program.
The invention has at least the following beneficial effects:
In the invention, statistics is performed on the total amount of vehicle charging electricity W1 corresponding to a target period in a target area, the charging demand average value W avg corresponding to each charging vehicle, and the total remaining chargeable amount W2 of all current mobile charging platforms. When W2 is greater than W1, that is, the supplied electric quantity is greater than the required electric quantity, a power supply priority corresponding to each mobile charging platform in the target area is generated, and according to the calculation mode of the power supply priority in the invention, the power supply priority is positively related to the discharging efficiency of the mobile charging platform during charging and is also positively related to the current residual available electric quantity of the mobile charging platform. Therefore, according to the sorting condition of the power supply priority, when the mobile charging platform is matched with the vehicle to be charged, the mobile charging platform with higher discharging efficiency and more residual electric quantity can be preferentially configured, so that the discharging efficiency during charging and the probability that a single mobile charging platform can complete a charging task after one-time charging can be improved, and the charging efficiency of the vehicle to be charged is further improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flowchart of a charging management method for an electric vehicle according to an embodiment of the present invention;
fig. 2 is a graph of a change rule between the discharge power and the SOC of the lithium ion battery according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
As one possible embodiment of the present invention, as shown in fig. 1, there is provided a charge management method of an electric vehicle, the method including the steps of:
S100: and responding to the preset starting time reaching the target area, and acquiring the total vehicle charging electricity consumption W1 corresponding to the target period in the target area and the charging demand average W avg corresponding to each charging vehicle. The preset starting time is the starting time of the target period. The target period in this embodiment may be an intersection of a busy period of the vehicle charging demand in the target area and a peak period of the grid power consumption.
In order to better achieve the peak clipping and valley filling effects on the power grid, the scheme in the embodiment is more suitable for being used in an intersection period of a busy period of a vehicle charging requirement and a power consumption peak period of the power grid. For example, typically 8 to 18 points are peak electricity consumption periods of the power grid, and production activities in the periods are more frequent, and are also peak electricity consumption periods of the electric vehicle. The target area in this embodiment may be a parking lot corresponding to a certain office building or residential area.
Specifically, S100 includes:
S101: and generating the total vehicle charging electricity W1 of the target period in the target area according to the average value of the vehicle historical charging total corresponding to the target period in the target area.
S102: and generating a charging demand average value W avg corresponding to each charging vehicle in the target period in the target region according to the average value of the historical charging demands of all vehicles corresponding to the target period in the target region.
In this embodiment, the target area is generally a parking lot in a fixed area, and since the resident population in the target area is basically fixed and the corresponding life style is basically fixed, the total amount W1 of the vehicle charging electricity consumption in the target area and the charging demand average value W avg corresponding to each charging vehicle in the target area also have a certain cyclic change rule. For example, in a stop of a office building, W1 and W avg corresponding to each weekday are generally kept substantially the same, while in a parking lot of a mall, W1 and W avg corresponding to holidays are generally kept the same.
Therefore, W1 and W avg corresponding to the target time period in the target area can be obtained according to the big data rule reflected in the historical data.
In addition, after the total amount of vehicle charging electricity W1 in the target area and the charging demand average value W avg corresponding to each charging vehicle are obtained, the method further includes:
S103: and when each check period is arranged, the total charging electricity consumption W 1 jy of the check vehicles in the target period in the target area at the current moment and the check charging demand average W avg jy corresponding to each to-be-charged vehicle are obtained again.
If it isThen useReplacement of。
If it isThen useReplacement of。
Wherein Y2 is a first check threshold and Y3 is a second check threshold.
Meanwhile, the types of the resident population in some target areas change with time, the corresponding life habits change, and the corresponding W1 and W avg of the target period in the target areas change to a certain extent. Thus, to ensure the accuracy of the acquired W1 and W avg, it is necessary to perform the verification at intervals (i.e., verification cycles) according to the above step S103.
S200: and acquiring the remaining chargeable total W2 of all the mobile charging platforms currently in the target area.
W2 can be obtained according to the sum of the SOCs corresponding to all the mobile charging platforms currently in the target area. SOC is commonly referred to as Statsg of charge, the state of charge of a battery, also known as the remaining charge, represents the ratio of the amount of dischargeable charge remaining after a battery has been used for a period of time or has been maintained for a long period of time to the amount of full charge, typically expressed as a percentage.
S300: if W2 is greater than W1, carrying out power supply priority configuration processing on each mobile charging platform in the target area, and generating the power supply priority corresponding to each mobile charging platform in the target area.
In order to ensure that the electricity demand can be met, a plurality of mobile charging platforms are usually kept in operation in a parking lot in the period of the charging peak. And in the period, W2 is generally larger than W1, so that the triggering condition of the power supply priority configuration processing in the embodiment is further limited based on the characteristic, and the accuracy of the using time of the scheme is ensured.
Meanwhile, the step can also ensure that the target power supply platform can be obtained in the screening of the subsequent steps.
The power supply priority configuration process includes:
s301: and acquiring the current remaining available electric quantity W s of the mobile charging platform.
S302: according to W s and W avg, generating a power supply priority A corresponding to the mobile charging platform, wherein the power supply priority A meets the following conditions:
Wherein P 1 is a first priority value. P 2 is the second priority value and, . K 1 is the corresponding discharge efficiency decay rate of the mobile charging platform battery. P 3 is the third priority value and,. Y1 is the remaining power at the inflection point of the discharge efficiency.
As can be seen from fig. 2, the change of the discharge efficiency of the battery (lithium ion battery) includes two stages, wherein the discharge efficiency of the battery is maintained at a high and stable value when the SOC of the battery is maintained at a high state in the first stage. In the second stage, when the SOC of the battery is kept in a low state, the discharging efficiency of the battery is proportional to the SOC, and a linear change relationship is basically maintained, and the linear change rate is K 1. The decomposition point of the first stage and the second stage is Y1, namely the inflection point value of the battery SOC between 50% and 60% in the figure. P 1 may be the corresponding discharge efficiency of the battery at the first stage.
Based on the above characteristics, the change rule of the discharging efficiency of the battery can be divided into the three phases, and in this embodiment, the corresponding power supply priority a is calculated according to the current remaining available power W s、Wavg of the mobile charging platform and the corresponding discharging efficiency. Therefore, the power supply priority in the embodiment is positively related to the discharging efficiency of the mobile charging platform during charging, and is also positively related to the current remaining available power of the mobile charging platform.
S400: and generating a charging control instruction corresponding to the vehicle to be charged according to the charging request and the power supply priority which are generated by the obtained vehicle to be charged in the target period.
Specifically, S400 includes:
S401: and generating a charging sequence corresponding to the target period in the target area according to the order of the power supply priority from high to low.
S402: and respectively taking the mobile charging platforms corresponding to the first N bits in the charging sequence as primary power supply platforms. The sum of the remaining available electric quantity of the first N mobile charging platforms in the charging sequence is larger than W1 for the first time.
S403: and determining a corresponding target power supply platform from the front N primary power supply platforms according to the power supply priority and the acquired charging request, and generating a corresponding charging and discharging control instruction.
Through the above step screening in S401 to S403, a plurality of mobile charging platforms with more advanced power supply priority and total power supply capacity capable of meeting the charging requirement can be used as the preferred charging platform, that is, the target power supply platform. The target power supply platform screened according to the power supply priority is basically a mobile charging platform with a higher SOC, and the mobile charging platform in the state can keep a higher discharging speed so as to complete the charging task with the same power supply requirement more quickly. In addition, the higher SOC can basically completely cover the general charging task in the period, and no other mobile charging platforms are required to conduct charging relay, so that the charging efficiency is further improved, and the requirement of a user on quick charge of the electric car in the period can be met.
The charge request includes a request charge amount W Q. S403 specifically includes:
S413: and screening the primary platform to be powered from the plurality of primary power supply platforms according to the residual chargeable total amount and W Q. The primary power supply platform to be powered is a primary power supply platform with the total remaining chargeable amount being larger than W Q.
S423: and determining the primary platform to be powered with the highest power supply priority in the primary platforms to be powered as the target power supply platform.
S404: and configuring power grid compensation control instructions for each secondary power supply platform. The secondary power supply platform is a mobile charging platform corresponding to the power supply priority after the Nth bit in the charging sequence.
After the screening in steps S401 to S403, the mobile charging platform with a lower SOC and a slower discharging speed can be used as the secondary power supply platform. The mobile charging platform in the state has low discharging speed, and can not fully cover the common charging task in the period, and other mobile charging platforms are required to carry out charging relay. Therefore, the residual electric quantity in the part of mobile charging platform cannot meet the requirement of a user for quick charge of the electric car in the period, but because the period is the electric quantity peak of the power grid and the power grid is insensitive to the charging speed, the electric quantity of the secondary power supply platform can be reversely recharged to the power grid, the mobile charging platform is charged when the power consumption is low, the peak clipping and valley filling effects are further realized, and meanwhile, the electric quantity of the secondary power supply platform is reversely recharged to the power grid in the power consumption peak period, so that more economic benefits can be obtained.
Furthermore, although the steps of the methods in the present disclosure are depicted in a particular order in the drawings, this does not require or imply that the steps must be performed in that particular order, or that all illustrated steps be performed, to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step to perform, and/or one step decomposed into multiple steps to perform, etc.
From the above description of embodiments, those skilled in the art will readily appreciate that the example embodiments described herein may be implemented in software, or may be implemented in software in combination with the necessary hardware. Thus, the technical solution according to the embodiments of the present disclosure may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (may be a CD-ROM, a U-disk, a mobile hard disk, etc.) or on a network, including several instructions to cause a computing device (may be a personal computer, a server, a mobile terminal, or a network device, etc.) to perform the method according to the embodiments of the present disclosure.
In an exemplary embodiment of the present disclosure, an electronic device capable of implementing the above method is also provided.
Those skilled in the art will appreciate that the various aspects of the invention may be implemented as a system, method, or program product. Accordingly, aspects of the invention may be embodied in the following forms, namely: an entirely hardware embodiment, an entirely software embodiment (including firmware, micro-code, etc.) or an embodiment combining hardware and software aspects may be referred to herein as a "circuit," module "or" system.
An electronic device according to this embodiment of the invention. The electronic device is merely an example, and should not impose any limitations on the functionality and scope of use of embodiments of the present invention.
The electronic device is in the form of a general purpose computing device. Components of an electronic device may include, but are not limited to: the at least one processor, the at least one memory, and a bus connecting the various system components, including the memory and the processor.
Wherein the memory stores program code that is executable by the processor to cause the processor to perform steps according to various exemplary embodiments of the present invention described in the above section of the exemplary method of this specification.
The storage may include readable media in the form of volatile storage, such as Random Access Memory (RAM) and/or cache memory, and may further include Read Only Memory (ROM).
The storage may also include a program/utility having a set (at least one) of program modules including, but not limited to: an operating system, one or more application programs, other program modules, and program data, each or some combination of which may include an implementation of a network environment.
The bus may be one or more of several types of bus structures including a memory bus or memory controller, a peripheral bus, an accelerated graphics port, a processor, or a local bus using any of a variety of bus architectures.
The electronic device may also communicate with one or more external devices (e.g., keyboard, pointing device, bluetooth device, etc.), with one or more devices that enable a user to interact with the electronic device, and/or with any device (e.g., router, modem, etc.) that enables the electronic device to communicate with one or more other computing devices. Such communication may be through an input/output (I/O) interface. And, the electronic device may also communicate with one or more networks such as a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network, such as the Internet, through a network adapter. The network adapter communicates with other modules of the electronic device via a bus. It should be appreciated that although not shown, other hardware and/or software modules may be used in connection with an electronic device, including but not limited to: microcode, device drivers, redundant processors, external disk drive arrays, RAID systems, tape drives, data backup storage systems, and the like.
From the above description of embodiments, those skilled in the art will readily appreciate that the example embodiments described herein may be implemented in software, or may be implemented in software in combination with the necessary hardware. Thus, the technical solution according to the embodiments of the present disclosure may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (may be a CD-ROM, a U-disk, a mobile hard disk, etc.) or on a network, including several instructions to cause a computing device (may be a personal computer, a server, a terminal device, or a network device, etc.) to perform the method according to the embodiments of the present disclosure.
In an exemplary embodiment of the present disclosure, a computer-readable storage medium having stored thereon a program product capable of implementing the method described above in the present specification is also provided. In some possible embodiments, the aspects of the invention may also be implemented in the form of a program product comprising program code for causing a terminal device to carry out the steps according to the various exemplary embodiments of the invention as described in the "exemplary method" section of this specification, when the program product is run on the terminal device.
The program product may employ any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. The readable storage medium can be, for example, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium would include the following: an electrical connection having one or more wires, a portable disk, a hard disk, random Access Memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
The computer readable signal medium may include a data signal propagated in baseband or as part of a carrier wave with readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A readable signal medium may also be any readable medium that is not a readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Program code for carrying out operations of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, C++ or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device, partly on a remote computing device, or entirely on the remote computing device or server. In the case of remote computing devices, the remote computing device may be connected to the user computing device through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computing device (e.g., connected via the Internet using an Internet service provider).
Furthermore, the above-described drawings are only schematic illustrations of processes included in the method according to the exemplary embodiment of the present invention, and are not intended to be limiting. It will be readily appreciated that the processes shown in the above figures do not indicate or limit the temporal order of these processes. In addition, it is also readily understood that these processes may be performed synchronously or asynchronously, for example, among a plurality of modules.
It should be noted that although in the above detailed description several modules or units of a device for action execution are mentioned, such a division is not mandatory. Indeed, the features and functionality of two or more modules or units described above may be embodied in one module or unit in accordance with embodiments of the present disclosure. Conversely, the features and functions of one module or unit described above may be further divided into a plurality of modules or units to be embodied.
The present invention is not limited to the above embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (10)
1. A method of charge management for an electric vehicle, the method comprising the steps of:
Responding to the preset starting time reaching the target area, and acquiring the total vehicle charging electricity consumption W1 corresponding to the target period in the target area and the charging demand average W avg corresponding to each charging vehicle; the preset starting time is the starting time of the target period;
acquiring the residual chargeable total W2 of all current mobile charging platforms in a target area;
If W2 is larger than W1, carrying out power supply priority configuration processing on each mobile charging platform in the target area, and generating a power supply priority corresponding to each mobile charging platform in the target area;
Generating a charging control instruction corresponding to the vehicle to be charged according to the charging request generated by the vehicle to be charged in the target period and the power supply priority;
the power supply priority configuration process includes:
Acquiring the current remaining available electric quantity W s of the mobile charging platform;
According to W s and W avg, generating a power supply priority A corresponding to the mobile charging platform, wherein the power supply priority A meets the following conditions:
Wherein P 1 is a first priority value; p 2 is the second priority value and, ; K 1 is the corresponding discharge efficiency attenuation rate of the mobile charging platform battery; p 3 is the third priority value and,; Y1 is the residual electric quantity at the inflection point of the discharge efficiency;
The change of the discharge efficiency of the battery comprises two stages, wherein the first stage is that the discharge efficiency of the battery is kept at a high and stable value when the SOC of the battery is kept at a high state; the second stage is that when the SOC of the battery is kept in a lower state, the discharging efficiency of the battery is in direct proportion to the SOC; y1 is the boundary point between the first stage and the second stage, and P 1 is the discharge efficiency corresponding to the battery in the first stage.
2. The method of claim 1, wherein after generating the corresponding power priority for each mobile charging platform in the target area, the method further comprises:
generating a charging sequence corresponding to a target period in a target area according to the sequence of the power supply priority from high to low;
Respectively corresponding mobile charging platforms to the first N bits in the charging sequence are used as primary power supply platforms; the sum of the remaining available electric quantity of the first N mobile charging platforms in the charging sequence is larger than W1.
3. The method according to claim 2, wherein generating the charge control instruction corresponding to the vehicle to be charged according to the obtained charge request and the power supply priority generated by the vehicle to be charged in the target period, includes:
Determining a corresponding target power supply platform from the first N primary power supply platforms according to the power supply priority and the acquired charging request, and generating a corresponding charging and discharging control instruction;
configuring a power grid compensation control instruction for each secondary power supply platform; the secondary power supply platform is a mobile charging platform corresponding to the power supply priority after the Nth bit in the charging sequence.
4. A method according to claim 3, wherein the charge request includes a request charge amount W Q;
Determining a corresponding target power supply platform from the first N primary power supply platforms according to the power supply priority and the acquired charging request, and generating a corresponding charging and discharging control instruction;
Screening a primary platform to be powered from a plurality of primary power supply platforms according to the total residual chargeable amount and W Q; the primary power supply platform to be powered is a primary power supply platform with the total residual chargeable amount being more than W Q;
And determining the primary platform to be powered with the highest power supply priority in the primary platforms to be powered as the target power supply platform.
5. The method according to claim 1, wherein obtaining the total amount of vehicle charging electricity W1 for the target period in the target area and the charging demand average W avg corresponding to each charging vehicle includes:
And generating the total vehicle charging electricity W1 of the target period in the target area according to the average value of the vehicle historical charging total corresponding to the target period in the target area.
6. The method according to claim 5, wherein obtaining the total amount of vehicle charging electricity W1 and the charging demand average W avg corresponding to each charging vehicle in the target area for the target period includes:
And generating a charging demand average value W avg corresponding to each charging vehicle in the target period in the target region according to the average value of the historical charging demands of all vehicles corresponding to the target period in the target region.
7. The method according to claim 6, wherein after obtaining the total amount of vehicle charging electricity W1 for a target period in the target area and the charging demand average W avg corresponding to each charging vehicle, the method further comprises:
When each check period is spaced, the total charging electricity consumption W 1 jy of the check vehicles in the target period in the target area at the current moment and the check charging demand average W avg jy corresponding to each to-be-charged vehicle are obtained again;
If it is Then useReplacement of；
If it isThen useReplacement of W avg;
Wherein Y2 is a first check threshold and Y3 is a second check threshold.
8. The method of claim 1, wherein the target period is an intersection of a busy period of vehicle charging demand in a target area and a grid power usage peak period.
9. A non-transitory computer-readable storage medium storing a computer program, characterized in that the computer program, when executed by a processor, implements a method of charge management of an electric vehicle according to any one of claims 1 to 8.
10. An electronic device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor implements a method of charge management of an electric vehicle according to any one of claims 1 to 8 when executing the computer program.
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