CN113442773B - System for dynamically distributing orderly charging time periods of electric automobile and using method - Google Patents

System for dynamically distributing orderly charging time periods of electric automobile and using method Download PDF

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CN113442773B
CN113442773B CN202111013133.9A CN202111013133A CN113442773B CN 113442773 B CN113442773 B CN 113442773B CN 202111013133 A CN202111013133 A CN 202111013133A CN 113442773 B CN113442773 B CN 113442773B
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charging
time
service
power
user
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CN113442773A (en
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柯星
顾国华
陶丽娟
蔡军
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Nanjing Gerun Fudu Intelligent Technology Co ltd
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Nanjing Gerun Fudu Intelligent Technology Co ltd
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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
    • 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
    • B60L53/63—Monitoring or controlling charging stations in response to network capacity
    • 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
    • B60L53/66—Data transfer between charging stations and vehicles
    • B60L53/665—Methods related to measuring, billing or payment
    • 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
    • B60L53/68—Off-site monitoring or control, e.g. remote control
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses a system for dynamically allocating ordered charging time periods of an electric automobile and a using method, belonging to the technical field of charging facilities, and comprising a service information acquisition system, a service information interaction system, a service information processing system and a charging service control system, wherein charging equipment can write a state into a register unit, the register unit sends state information to an MCU (micro control unit), the MCU controller reads and sends the state information to the service information interaction system, and the service information interaction system displays a charging mode selected by a user at an application end according to the state information; the system and the method for dynamically distributing the orderly charging time periods of the electric automobiles can simultaneously meet the charging control of a plurality of electric automobiles, the charging control of the electric automobiles in a regional power grid and the unidirectional charging control, and emphasize the requirements of multiple charging aspects: the energy loss is minimum, the user income is maximized, the charging scheduling deviation is minimized, the resource waste is minimized, and the user charging is equalized.

Description

System for dynamically distributing orderly charging time periods of electric automobile and using method
Technical Field
The invention belongs to the technical field of charging facilities, and particularly relates to a system for dynamically distributing orderly charging time periods of an electric automobile and a using method thereof.
Background
As one of seven fields of novel infrastructures, the charging pile is not only a new energy automobile supplementary energy infrastructure with a single function, but also a wind vane for the digital and information development of the infrastructures in China. The construction of a new energy automobile charging pile can not release public charging piles in a large area like the past, but mainly uses communities and public as auxiliary, avoids repeated construction, and improves construction efficiency and utilization rate; in the community fills electric pile construction, the district charges and compares other charge methods more economical, more high-efficient, is the feasible mode that satisfies new energy automobile demand of charging, nevertheless the mode of charging is comparatively extensive, inserts difficultly, the difficult problem of charging has also restricted new energy automobile's extensive popularization to a certain extent, simultaneously, the extensive unordered charging of residential area new energy automobile, the load peak valley that charges overlaps with resident's life power consumption, has also brought the challenge for distribution network safety and stability operation. At present, charging piles enter a cell and mainly face the following problems:
1. the capacity of the cell transformer is limited: reserving power capacity according to 7 kW/pile, and if a community is equipped with hundreds of parking spaces, only the charging capacity of a proprietor has great challenge on a transformer in a residential area;
2. has potential safety hazard: the design and planning are not unified in the early stage, the line needs to be reconstructed and laid, and certain potential safety hazards exist;
3. aggravate the peak-to-valley difference: the owner charging is mostly concentrated in the peak period of the electricity consumption of residents, and a large amount of charging loads are connected, so that the peak-valley difference of the electricity consumption of residential areas is further increased, and the difficulty of peak clipping and valley filling of a power grid is aggravated;
4. aggravate the three-phase imbalance: the single-phase alternating current single-phase pile is powered by a single-phase power supply, and if the single-phase alternating current single-phase pile is simultaneously concentrated on a certain phase, the three-phase imbalance of electricity utilization in residential areas is aggravated, and the line loss is increased;
based on various difficulties of cell charging, quantitative evaluation of the influence of a large-scale electric vehicle on a power grid after the electric vehicle is connected to the power grid and research on a charging control strategy aiming at reducing negative influence are increasingly focused as a hot problem, and a concept of ordered charging is generated. From the perspective of a power grid, in order charging, on the premise of meeting the charging requirement of the electric automobile, the electric automobile is guided and controlled to be charged by using practical and effective economic or technical measures, and the load curve of the power grid is subjected to peak clipping and valley filling, so that the variance of the load curve is smaller, the construction of installed power generation capacity is reduced, and the coordinated interactive development of the electric automobile and the power grid is ensured;
at the present stage, aiming at the problem of ordered charging scheduling of electric vehicles, many scholars at home and abroad have conducted intensive research on the aspect, and the following schemes mainly exist in the research focusing on the improvement of the charging mode and the formulation of the electricity price at different time periods: firstly, a random planning algorithm is utilized, and the aim of minimizing energy loss is taken as a target to realize the coordinated charging of the plug-in hybrid electric vehicle; secondly, under the condition of a known system electricity price curve, an electric vehicle charging optimization control strategy for maximizing electric vehicle user income is realized by intelligently scheduling charging power and charging and discharging time; thirdly, establishing an ordered charging model based on load prediction by utilizing the space-time double-scale adjustable characteristic of the charging load; fourthly, according to the characteristics of the battery replacement station, the charging power of the battery replacement station at each moment is taken as a control object, and a multi-target battery replacement station charging scheduling model is established; selecting a reverse induction optimization algorithm by using a PHEV charging time slot based on time-of-use electricity price, wherein the algorithm can effectively reduce the charging cost of a user; establishing an electric vehicle dispatching model containing a charging plan based on the customer vehicle ordering requirement, and effectively reducing the charging waiting time of a user; seventhly, establishing a multi-target optimization model of power grid load fluctuation and user cost based on a time-of-use electricity price system to obtain a next-day optimized charging and discharging plan; establishing an electric vehicle charging and discharging scheduling model based on demand side discharging bidding, and effectively reducing charging cost and scheduling deviation;
in recent years, people have conducted a great deal of research on methods for orderly charging electric automobiles, and various orderly charging optimization methods are researched from different aspects. The only way for determining the optimal charging mode is to comprehensively consider data information of the charging equipment and the charging automobile, the charging equipment comprises a charging station and a charging pile, all data are uniformly analyzed and processed, different research institutions and researchers compare various different charging models according to different emphasis points, and the ordered charging is divided into the following steps from the research level: (1) controlling the charging of the single electric vehicle; (2) controlling charging of a plurality of electric vehicles; (3) and controlling the charging of the electric automobile in the regional power grid. The power flow direction is divided into the following parts: (1) unidirectional charging control is carried out, only the electric vehicle is charged in a unidirectional mode by considering the power grid, and electric energy fed back to the power grid by the electric vehicle is not considered; (2) in a V2G (vehicle-to-grid) mode, after the electric vehicle is connected to a grid, electric energy flows bidirectionally between a battery and the grid, and the situation that the electric vehicle feeds the electric energy to the grid is involved. Aiming at the prior art scheme for orderly charging the electric automobile, a general scheme can respectively solve 1-2 charging side points, wherein the side points comprise minimum energy loss, maximum charging station operation income, maximum user income, minimum user charging waiting time, minimum charging scheduling deviation, minimum resource waste, common user charging leveling and the like, and most orderly charging schemes cannot meet the charging side point requirements in many aspects.
Disclosure of Invention
The invention aims to provide a system for dynamically allocating ordered charging time periods of an electric automobile and a using method thereof, so as to solve the problem that the charging pile cannot realize the minimization of charging scheduling deviation.
In order to achieve the purpose, the invention provides the following technical scheme: a system for dynamically allocating orderly charging time periods of an electric vehicle comprises,
the service information acquisition system is used for establishing a database after acquiring ammeter data, automobile data and physical card information and providing equipment data of charging service;
the service information interaction system is used for interacting and binding the personal information input by the user with the corresponding equipment data thereof so as to realize the interaction between the system and the user data;
the service information processing system is used for obtaining a maximum power charging plan through a charging sequence calculation method according to preset charging conditions;
the charging service control system acquires charging service information sent by the service information processing system and transmits the charging service information to corresponding charging equipment;
the charging equipment writes the state into the register unit, the register unit sends the state information to the MCU, the MCU reads the state information and sends the state information to the service information interaction system, and the service information interaction system displays the charging mode selected by a user at an application end according to the state information.
Preferably, the service information interaction system comprises a charging mode unit, a vehicle taking unit and a charging reservation unit;
the charging mode unit comprises a vehicle taking time module for a user to fill in a planned vehicle taking mode, an ordered charging module of a charging mode and an unordered charging module;
the charging mode unit comprises a charging module for charging according to time, a charging module for charging according to money, a charging module for charging according to electric quantity and an automatic charging module;
the vehicle taking unit is used for initiating vehicle bms information query to the pile end before a user selects a charging mode in the charging mode unit and selecting vehicle taking time on an input end interface, and after receiving the bms information of the vehicle, calculating the amount of electric quantity which needs to be charged when the user is actually full according to the rated capacity of the battery and the current soc; wherein the starting time of the vehicle taking time is the sum of the current time and 2 hours;
the reservation charging unit is used for reserving planned starting charging time, latest starting charging time and planned ending charging time which are calculated by the display system during charging, after a user selects a charging mode and a charging mode, the platform transmits the charging amount and the vehicle taking time to the MCU controller, and the MCU controller calls the service information processing system to calculate the planned starting time, the latest starting time and the planned ending time of each charging order and display the planned starting time, the latest starting time and the planned ending time at the input end of the user.
When the user selects the ordered charging mode and applies for charging, the user enters a charging reservation page of the service information interaction system, and the user modifies the charging requirement or cancels the reservation on the charging reservation page to finish the service.
Preferably, the on-time charging module is used for inputting a charging maintaining time length by a user, and the service information interaction system calculates the input time length into electric quantity through a conversion formula and transmits the electric quantity to the MCU controller; conversion formula: du1= T × P3.6 × 10^ 6; the method comprises the following steps that Du1 is converted electric quantity, T is filling duration of a user, and P is rated input power of an automobile battery;
the charge module according to the amount of money is used for inputting the amount of charge consumption, and the service information interaction system converts the input amount of money into electric quantity and transmits the electric quantity to the MCU controller;
the charge-according-to-electric-quantity module is used for inputting the electric quantity transmitted to the automobile by the charging equipment by a user;
the automatic filling module is used for enabling a user not to need to fill in data, and the service information interaction system automatically calculates the residual amount in the user account into the maximum chargeable amount value through a conversion formula and transmits the maximum chargeable amount value to the MCU controller; the conversion formula is as follows: du2= M/(a + B + C + D) × 4, where M is the remaining total amount of the account wallet, a, B, C, D are the unit price for charging the electric quantity during the peak-valley period, respectively, and Du2 is the maximum chargeable amount of the remaining amount of the account; the MCU controller compares the maximum nominal capacity of the automobile battery with the chargeable quantity Du2, takes the smaller value of the maximum nominal capacity and the chargeable quantity Du2, writes the smaller value into a register of the charging equipment, charges the charging equipment according to the read quantity needing to be charged, and stops charging when the quantity value is reached.
The priority judgment level when the charging is stopped is as follows: one stage, stopping charging when a fault is abnormal; secondly, the user actively stops charging; thirdly, stopping charging when the account balance is insufficient; and fourthly, stopping charging when the condition set by the user is reached.
Preferably, the service information processing system includes a service grouping unit, a service priority determining unit, a charging sorting unit, a same-pile charging multi-gun exclusive unit, and a charging power regulating unit.
Preferably, the service grouping unit divides the charging services with the same number into one group according to the number of the charger to which each charging service belongs and the number of the power module, calculates the required charging time of each service and the latest starting time of a time slice according to the vehicle taking time and the charging amount filled by the user for all the charging services in each group, and each group of services is a time slice group;
the required charging time calculation formula of each service is as follows: t isNeed to make= Du 3/P60, where, TNeed to makeFor each service charge duration, i.e., time slice, Du3 is the scaled value of the user's planned charge to the interactive system, P is the charge power allocated to the ordered charge pattern, and 60 units is minutes (min);
according to the requirement of the ordered charging system, charging needs to be completed in advance by 1 hour, and the latest starting charging time of each time slice is calculated:
Tlatest start-up=TGet car-TNeed to make-60, wherein TGet carTime of pickup, T, filled in for userNeed to makeThe charging time period required for each service, i.e. the time slice.
Preferably, the service priority determination unit determines the priority of the service byThe charging priority formula calculates the priority of the service: r = TLatest start-up-TAt present
Wherein, R represents the value of the charging priority, and the smaller the value, the higher the priority; data format of T: YYYY-MM-DD HH MM: SS,
if the priorities are the same, charging the charging pile first; determining according to the starting service time of the order; the order of priority from low to high is-R, R0, unordered, + RIn chargingwherein-R represents a negative number of priority values, + R represents a positive number of priority values, R0 represents a 0, and + R represents a positive number of priority valuesIn chargingThe representative service priority value is a positive number and the service status is a charging status.
Preferably, the charging sorting unit sets each time slot group into a multi-level queue according to priority, the queue with high priority is charged preferentially, and the queues are sorted in sequence according to service start time, and the charging priority sorting method includes the following steps:
s11, according to TLatest start-upSequencing each group of time slices according to time sequence, and T of unordered serviceLatest start-up=TAt present ；
S12, preferentially arranging the queue with the service priority R as a negative number and in an ordered charging mode;
s13, arranging a queue with service priority R of 0 and in an ordered charging mode;
s14, rearranging the service queue in the disordered charging mode;
and S15, finally arranging the service priority R as a positive number and arranging the pair of the ordered charging modes.
Preferably, the charging sorting unit further searches whether a time slice capable of optimizing the starting time exists in the time slice group according to the peak valley average time-of-use price by a time slice group optimization method, where the time slice group optimization method is as follows:
s21, if the time slice is the time slice of the unordered service, the optimization is not carried out; s22, if it is an ordered service time slice, and its latest starting time (T)Latest start-up) Earlier than or equal to the current time, not optimized; s23, if it is the ordered service time slice, it is started at the latestDynamic time (T)Latest start-up) Later than the current time: if the vehicle-taking time is in the period of the peak time electricity price (16:00-24: 00), setting the starting time to be in the period of the valley time electricity price (00: 00-08: 00) and the period of the flat time electricity price (08:00-16: 00) as much as possible for starting; if the vehicle taking time is in the period of the usual electricity price (08:00-16: 00), setting the starting time between the valley time electricity price period (00: 00-08: 00) as much as possible to start;
and S24, and other conditions are not optimized.
Preferably, the charging multi-gun mutex unit in the same pile is used for arranging vehicles one by one according to priority when a plurality of vehicles need to be charged on the same charging pile at the same time, and the charging sequence is arranged according to the time sequence of entering charging service by users if the priority is the same;
the charging power regulation and control unit sets the charging power in a charging state according to the current remaining available power of a power grid and a charging mode through a charging power regulation method, and the charging power regulation method comprises the following steps:
s25, if the remaining available power of the power grid is far larger than the sum of the total power of the services in all charging:
s251, when the priority R of the service is negative or 0, arranging full-power charging;
s252, arranging full power charging by the unordered service;
s253, when the priority R of the service is positive, 1/2 of the rated power of the power module to which the service belongs is arranged to charge the service;
and S254, when only one service is provided under the power module to which the service belongs, arranging the full-power charging of the service.
S26, if the remaining available power of the power grid is far less than or equal to the sum of the total power of the services in all charging:
s261, acquiring real-time power on the electric meter by the MCU controller to obtain real-time total power of other access equipment groups or stations under the current power grid;
s262, subtracting the real-time total power of other current equipment or stations from the total output power of the power transformation cabinet to obtain the residual available power of the ordered pile group
S263, if the remaining available power of the ordered pile group is larger than the sum of the order power of the ordered pile group in the current charging process, power reduction is not needed;
s264, if the residual available power of the ordered pile group is more than 40KW and less than or equal to the sum of the order power of the ordered pile group in the current charging process, triggering power reduction action of the MCU controller once every time 20KW is reduced;
s265, if the residual available power of the ordered pile group is less than or equal to 40KW, triggering a power reduction action, directly giving an alarm, and reporting to the platform;
s266, if the reduced charging rate is obtained through the power reduction formula, the platform inquires the change curve of the current charging power through the charging progress; and reflects to the user side;
the reduced charge rate is: dividing 20KW by the number of guns in the ordered charging state to obtain the power required to be reduced by each charging gun;
and in the ordered charging, the current power of the guns is reduced by the power required to be reduced of each gun to obtain the reduced charging power.
The invention also provides a use method of the system for dynamically allocating the orderly charging time periods of the electric automobile, which comprises the following steps:
s1, before charging, selecting a charging mode unit, or performing reserved charging through a reserved charging unit in the service information interaction system;
s2, when the user input is finished, the service information processing system calculates the input parameters, obtains the sequencing in the queue according to the service start time by the charging priority sequencing method of the charging sequencing unit, obtains the optimal vehicle taking time according to the time slice group optimization method, and sets the charging power in the charging state by the charging power adjusting method;
and S3, after the charging service control system receives the control instruction, the MCU controller sends an execution command to the charging equipment.
The invention has the technical effects and advantages that: the system and the method for dynamically distributing the orderly charging time periods of the electric automobiles can simultaneously meet the charging control of a plurality of electric automobiles, the charging control of the electric automobiles in a regional power grid and the unidirectional charging control, and emphasize the requirements of multiple charging aspects: energy consumption minimization, user profit maximization, charging scheduling bias minimization, resource waste minimization, user charging fairness, and the like; the charging optimization control strategy of the electric vehicle with maximized user income of the electric vehicle is realized by intelligently scheduling charging power and charging and discharging time, and an electric vehicle scheduling model containing a charging plan is established based on the vehicle ordering requirements of customers, so that the charging waiting time of the users is effectively reduced; and establishing a multi-objective optimization model considering the power grid load fluctuation and the user cost based on a time-of-use electricity price system to obtain a next day optimized charging and discharging plan.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a system for dynamically allocating ordered charging time periods of an electric vehicle as shown in figure 1, which comprises the following components:
the service information acquisition system is used for establishing a database after acquiring ammeter data, automobile data and physical card information and providing equipment data of charging service;
the service information interaction system is used for interacting and binding the personal information input by the user with the corresponding equipment data thereof so as to realize the interaction between the system and the user data; the service information interaction system comprises a charging mode unit, a vehicle taking unit and a charging reservation unit;
the charging mode unit comprises a vehicle taking time module for filling a planned vehicle taking, an ordered charging module of a charging mode and an unordered charging module at the input end of a user;
the charging mode unit comprises a charging module for charging according to time, a charging module for charging according to money, a charging module for charging according to electric quantity and an automatic charging module;
the on-time charging module is used for inputting the charging maintaining time length by a user, and the service information interaction system calculates the input time length into electric quantity through a conversion formula and transmits the electric quantity to the MCU controller; conversion formula: du1= T × P3.6 × 10^ 6; the method comprises the following steps that Du1 is converted electric quantity, T is filling duration of a user, and P is rated input power of an automobile battery;
the charge module is used for inputting the amount of charge consumption according to the amount of money, and the service information interaction system converts the input amount of money into electric quantity and transmits the electric quantity to the MCU controller;
the charging module according to the electric quantity is used for inputting the electric quantity transmitted to the automobile by the charging equipment by a user;
the automatic filling module is used for enabling a user not to need to fill in data, and the service information interaction system automatically calculates the residual amount in the user account into the maximum chargeable amount value through a conversion formula and transmits the maximum chargeable amount value to the MCU controller; the conversion formula is as follows: du2= M/(a + B + C + D) × 4, where M is the remaining total amount of the account wallet, a, B, C, D are the unit price for charging the electric quantity during the peak-valley period, respectively, and Du2 is the maximum chargeable amount of the remaining amount of the account; the MCU controller compares the maximum nominal capacity of the automobile battery with the chargeable quantity Du2, takes the smaller value of the maximum nominal capacity and the chargeable quantity Du2, writes the smaller value into a register of the charging equipment, charges the charging equipment according to the read required charging quantity, and stops charging when the electric quantity value is reached.
Priority judgment level when stopping charging: one stage, stopping charging when a fault is abnormal; secondly, the user actively stops charging; thirdly, stopping charging when the account balance is insufficient; and fourthly, stopping charging when the condition set by the user is reached.
The vehicle taking unit is used for initiating vehicle bms information query to the pile end before a user selects a charging mode in the charging mode unit and selecting vehicle taking time on an input end interface, and after receiving the bms information of the vehicle, calculating the amount of electric quantity which needs to be charged when the user is actually full according to the rated capacity of the battery and the current soc; wherein the starting time of the vehicle taking time is the sum of the current time and 2 hours;
the reservation charging unit is used for reserving planned starting charging time, latest starting charging time and planned ending charging time which are calculated by the display system during charging, after a user selects a charging mode and a charging mode, the platform transmits the charging amount and the vehicle taking time to the MCU controller, and the MCU controller calls the service information processing system to calculate the planned starting time, the latest starting time and the planned ending time of each charging order and display the planned starting time, the latest starting time and the planned ending time on the input end of the user.
When the user selects the ordered charging mode and applies for charging, the user enters a charging reservation page of the service information interaction system, and the user modifies the charging requirement or cancels the reservation on the charging reservation page to finish the service.
The service information processing system is used for obtaining a maximum power charging plan through a charging sequence calculation method according to preset charging conditions;
the service information processing system comprises a service grouping unit, a service priority determining unit, a charging sequencing unit, a same-pile charging multi-gun mutual exclusion unit and a charging power regulating and controlling unit.
The service grouping unit divides the charging services with the same number into one group according to the number of the charger to which each charging service belongs and the number of the power module, calculates the required charging time of each service and the latest starting time of a time slice according to the vehicle taking time and the charging amount filled by a user for all the charging services in each group, and each group of services is a time slice group;
the required charging time calculation formula of each service is as follows: t isNeed to make= Du 3/P60, where, TNeed to makeFor each service charge duration, i.e. time slice, Du3 is the equivalent of the user's planned charge to the interactive system, and P is the charge power allocated to the ordered charge pattern;
according to the requirement of the ordered charging system, charging needs to be completed in advance by 1 hour, and the latest starting charging time of each time slice is calculated:
Tlatest start-up=TGet car-TNeed to make-60, wherein TGet carTime of pickup, T, filled in for userNeed to makeFor each oneThe charging time required for the service is the time slice.
The service priority determining unit calculates the priority of the service through a charging priority formula: r = TLatest start-up-TAt present
Wherein, R represents the value of the charging priority, and the smaller the value, the higher the priority; data format of T: YYYY-MM-DD HH MM: SS,
if the priorities are the same, charging the charging pile first; determining according to the starting service time of the order; the order of priority from low to high is-R, R0, unordered, + RIn chargingwherein-R represents a negative number of priority values, + R represents a positive number of priority values, R0 represents a 0, and + R represents a positive number of priority valuesIn chargingThe representative service priority value is a positive number and the service status is a charging status.
The charging sequencing unit sets a multi-level queue for each time slice group according to the priority, the queue with the high priority is charged preferentially, the queues are sequenced according to the service starting time in sequence, and the charging priority sequencing method comprises the following steps:
s11, according to TLatest start-upSequencing each group of time slices according to time sequence, and T of unordered serviceLatest start-up=TAt present ；
S12, preferentially arranging the queue with the service priority R as a negative number and in an ordered charging mode;
s13, arranging a queue with service priority R of 0 and in an ordered charging mode;
s14, rearranging the service queue in the disordered charging mode;
and S15, finally arranging the service priority R as a positive number and arranging the pair of the ordered charging modes.
The charging sequencing unit searches whether a time slice capable of optimizing the starting time exists in the time slice group or not through a time slice group optimizing method according to the peak valley average time-of-use electricity price, and the time slice group optimizing method comprises the following steps:
s21, if the time slice is the time slice of the unordered service, the optimization is not carried out; s22, if it is an ordered service time slice, and its latest starting time (T)Latest start-up) Earlier than or equal to the current time, doOptimizing; s23, if it is an ordered service time slice, and its latest starting time (T)Latest start-up) Later than the current time: if the vehicle-taking time is in the period of the peak time electricity price (16:00-24: 00), setting the starting time to be in the period of the valley time electricity price (00: 00-08: 00) and the period of the flat time electricity price (08:00-16: 00) as much as possible for starting; if the vehicle taking time is in the period of the usual electricity price (08:00-16: 00), setting the starting time between the valley time electricity price period (00: 00-08: 00) as much as possible to start; and S24, and other conditions are not optimized.
The charging multi-gun mutual exclusion unit in the same charging pile is used for arranging charging sequences one by one according to priorities when a plurality of vehicles need to be charged on the same charging pile at the same time, and the charging sequences are arranged according to the time sequence of the charging service of a user if the priorities are the same;
the charging power regulation and control unit sets the charging power in a charging state according to the current remaining available power of a power grid and a charging mode through a charging power regulation method, and the charging power regulation method comprises the following steps:
s25, if the remaining available power of the power grid is far larger than the sum of the total power of the services in all charging:
s251, when the priority R of the service is negative or 0, arranging full-power charging;
s252, arranging full power charging by the unordered service;
s253, when the priority R of the service is positive, 1/2 of the rated power of the power module to which the service belongs is arranged to charge the service;
and S254, when only one service is provided under the power module to which the service belongs, arranging the full-power charging of the service.
S26, if the remaining available power of the power grid is far less than or equal to the sum of the total power of the services in all charging:
s261, acquiring real-time power on the electric meter by the MCU controller to obtain real-time total power of other access equipment groups or stations under the current power grid;
s262, subtracting the real-time total power of other current equipment or stations from the total output power of the power transformation cabinet to obtain the residual available power of the ordered pile group;
s263, if the remaining available power of the ordered pile group is larger than the sum of the order power of the ordered pile group in the current charging process, power reduction is not needed;
s264, if the residual available power of the ordered pile group is more than 40KW and less than or equal to the sum of the order power of the ordered pile group in the current charging process, triggering power reduction action of the MCU controller once every time 20KW is reduced;
s265, if the residual available power of the ordered pile group is less than or equal to 40KW, triggering a power reduction action, directly giving an alarm, and reporting to the platform;
s266, if the reduced charging rate is obtained through the power reduction formula, the platform inquires the change curve of the current charging power through the charging progress; and reflects to the user side;
the reduced post-charge rate was: dividing 20KW by the number of guns in the ordered charging state to obtain the power required to be reduced by each charging gun;
and in the ordered charging, the current power of the guns is reduced by the power required to be reduced of each gun to obtain the reduced charging power.
The charging service control system acquires the charging service information sent by the service information processing system and transmits the charging service information to the corresponding charging equipment;
wherein, the charging device writes the state into the register unit, the register unit sends the state information to the MCU controller, the MCU controller reads and sends the state information to the service information interaction system, the service information interaction system displays the charging mode selected by the user at the application end according to the state information,
after acquiring the charging sequence, priority and charging power value of all charging services given by the service information processing system, the MCU controller transmits the information of the charging services to corresponding charging equipment (charging pile) according to the IP address. The MCU controller communicates with the charging equipment by adopting ModbusTCP, and periodically sends heartbeat messages to acquire the charging muzzle state of the corresponding pile. When the charging gun state corresponding to the charging service is idle, a gun is inserted, gun insertion reservation is reserved and the like, the MCU controller issues the charging sequence and priority which are continuously updated to the charging equipment corresponding to the services; when the charging gun state corresponding to the charging service is a charging state, the MCU controller judges whether the scheduled starting time of the service under the charging gun is greater than the current time (namely the scheduled starting time of the order service in charging is updated), if so, the current charging service is interrupted, the latest charging service sequence (time slice group) corresponding to the charging gun is sent to the charging equipment, and the charging equipment charges the automobile according to the latest scheduled starting time of the received service; when the charging service is completed or a new charging service is added, the MCU controller informs the service information processing system to update the charging sequence; when the charging service is completed, the MCU controller informs the service information processing system to release the corresponding time slice and renew the sequencing of other time slices so as to avoid the waste of charging equipment resources. The charging equipment executes charging operation according to a charging sequence transmitted by the MCU controller, and can judge whether service addition of a new unordered charging mode can be allowed or not at present according to the occupied degree of a power module of a charger to which the charging equipment belongs and the priority of the service on the current charging equipment, if the service addition of the new unordered service is not allowed, an unordered unavailable state indicator lamp of a charging pile body can turn yellow and flicker, meanwhile, the charging equipment can write the state into a register unit, the MCU controller reads the state through a heartbeat message and reports the state to a service information interaction system, and the service information interaction system forbids the unordered charging mode on a visual page of which the charging mode is selected by a user at a PC end and a mobile phone end, so that the charging station is prevented from being occupied by a large number of unordered services, and the efficiency and the utilization rate of ordered charging are influenced; if allowed, the status indicator light is green and normally on.
The charging service control system has the outstanding advantage that the charging pile MCU controller is used as a brain for orderly charging and is a carrier of a service information processing system. The MCU controller is connected with the service interaction system and the charging equipment, and after the service interaction system issues a command for confirming the start of charging, all starting and stopping behaviors of the charging equipment have the participation and monitoring of the MCU controller. The charging equipment executes charging operation according to a charging sequence transmitted by the MCU controller, and can judge whether service addition of a new unordered charging mode can be allowed or not at present according to the occupied degree of a power module of a charger to which the charging equipment belongs and the priority of the service on the current charging equipment, if the service addition of the new unordered service is not allowed, an unordered unavailable state indicator lamp of a charging pile body can turn yellow and flicker, meanwhile, the charging equipment can write the state into a register unit, the MCU controller reads the state through a heartbeat message and reports the state to a service information interaction system, and the service information interaction system forbids the unordered charging mode on a visual page of which the charging mode is selected by a user at a PC end and a mobile phone end, so that the charging station is prevented from being occupied by a large number of unordered services, and the efficiency and the utilization rate of ordered charging are influenced; if allowed, the status indicator light is green and normally on.
The charging equipment comprises a charger and a charging pile, and the charger is responsible for distribution of the power modules and electric energy supply. And grouping the power modules of the charger. Can be grouped according to actual requirements, and in the present case, the groups are divided into groups according to 40 KW. The following is an unordered unavailable implementation:
calculating the real-time power of the current order on the charging pile: p = UI. Through mutual communication between the charging machine and the charging piles, real-time power of all the charging piles under the same group of power modules of the charging machine is compared, and if the real-time power of an order on a certain charging pile > = 1/2 of the power module of the group, and the scheduled starting time of the order < = the current time, an unordered unavailable state lamp of a charging pile body turns to yellow flicker. The user can know which piles can be charged in disorder and which piles can not be charged in disorder in time within the sight distance range, so that the time cost of the user is saved, and convenience is provided for the user in selecting the charging potential. When the pile body becomes available in disorder, the indicator light turns to green and constantly lights. At the moment, the user can randomly select an unordered or ordered charging mode according to the requirement of the user.
The invention also provides a use method of the system for dynamically allocating the orderly charging time period of the electric automobile, which comprises the following steps:
s1, before charging, selecting a charging mode unit, or performing reserved charging through a reserved charging unit in the service information interaction system;
s2, when the user input is finished, the service information processing system calculates the input parameters, obtains the sequencing in the queue according to the service start time by the charging priority sequencing method of the charging sequencing unit, obtains the optimal vehicle taking time according to the time slice group optimization method, and sets the charging power in the charging state by the charging power adjusting method;
and S3, after the charging service control system receives the control instruction, the MCU controller sends an execution command to the charging equipment.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (4)

1. The utility model provides a system for orderly charging time quantum of dynamic allocation electric automobile which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the service information acquisition system is used for establishing a database after acquiring the ammeter data, the automobile data and the physical card information and providing equipment data of the charging service;
the service information interaction system is used for interacting and binding the personal information input by the user with the corresponding equipment data thereof so as to realize the data interaction between the system and the user;
the service information processing system is used for obtaining a maximum power charging plan through a charging sequence calculation method according to preset charging conditions;
the charging service control system is used for acquiring the charging service information sent by the service information processing system and transmitting the charging service information to corresponding charging equipment;
the charging equipment writes the state into the register unit, the register unit sends the state information to the MCU controller, the MCU controller reads the state information and sends the state information to the service information interaction system, and the service information interaction system displays the charging mode which can be selected by a user at an application end according to the state information;
the service information interaction system comprises a charging mode unit, a vehicle taking unit and a charging reservation unit;
the charging mode unit comprises a vehicle taking time module, an ordered charging module and an unordered charging module, wherein the vehicle taking time module is used for inputting a plan to take a vehicle by a user at an input end;
the charging mode unit comprises a charging module for charging according to time, a charging module for charging according to money, a charging module for charging according to electric quantity and an automatic charging module;
the vehicle taking unit is used for initiating vehicle bms information query to the pile end before a user selects a charging mode in the charging mode unit and selecting vehicle taking time on an input end interface, and after receiving the bms information of the vehicle, calculating the amount of electric quantity which needs to be charged when the user is actually full according to the rated capacity of the battery and the current soc; wherein the starting time of the vehicle taking time is the sum of the current time and 2 hours;
the system comprises a reservation charging unit, an MCU (microprogrammed control unit) controller and a service information processing system, wherein the reservation charging unit is used for reserving planned starting charging time, latest starting charging time and planned ending charging time which are calculated by the charging display system;
when the user selects the ordered charging mode and applies for charging, entering a charging reservation page of the service information interaction system, and modifying the charging requirement or canceling the reservation on the charging reservation page by the user to finish the charging service;
the on-time charging module is used for inputting the charging maintaining time length by a user, and the service information interaction system calculates the input time length into electric quantity through a conversion formula and transmits the electric quantity to the MCU controller; conversion formula: du1= T × P3.6 × 10^ 6; the method comprises the following steps that Du1 is converted electric quantity, T is filling duration of a user, and P is rated input power of an automobile battery;
the charge module according to the amount of money is used for inputting the amount of charge consumption, and the service information interaction system converts the input amount of money into electric quantity and transmits the electric quantity to the MCU controller;
the charge-according-to-electric-quantity module is used for inputting the electric quantity transmitted to the automobile by the charging equipment by a user;
the automatic filling module is used for enabling a user not to need to fill in data, and the service information interaction system automatically calculates the residual amount in the user account into the maximum chargeable amount value through a conversion formula and transmits the maximum chargeable amount value to the MCU controller; the conversion formula is as follows: du2= M/(a + B + C + D) × 4, where M is the remaining total amount of the account wallet, a, B, C, D are the unit price for charging the electric quantity during the peak-valley period, respectively, and Du2 is the maximum chargeable amount of the remaining amount of the account; the MCU controller compares the maximum nominal capacity of the automobile battery with the chargeable quantity Du2, takes the smaller value of the maximum nominal capacity and the chargeable quantity Du2, writes the smaller value into a register of the charging equipment, charges the charging equipment according to the read quantity needing to be charged, and stops charging when the quantity value is reached;
the priority judgment level when the charging is stopped is as follows: one stage, stopping charging when a fault is abnormal; secondly, the user actively stops charging; thirdly, stopping charging when the account balance is insufficient; fourth stage, stopping charging when the condition set by the user is reached;
the service information processing system comprises a service grouping unit, a service priority determining unit, a charging sequencing unit, a same-pile charging multi-gun mutual exclusion unit and a charging power regulating and controlling unit;
the charging multi-gun mutual exclusion unit in the same pile is used for arranging vehicles one by one according to priority when the same charging pile is charged by a plurality of vehicles at the same time, and arranging charging sequence according to the time sequence of charging service for users when the priority is the same;
the charging power regulation and control unit sets the charging power of the charging service in a charging state according to the current remaining available power and a charging mode of a power grid by a charging power regulation method, and the charging power regulation method comprises the following steps:
s25, if the remaining available power of the power grid is larger than the sum of the total power of the services in all charging:
s251, when the priority R of the charging service is negative or 0, arranging full-power charging;
s252, arranging full power charging by the unordered service;
s253, when the priority R of the charging service is positive, 1/2 of the rated power of the power module to which the charging service belongs is arranged to charge the charging service;
s254, when only one charging service is available under the power module to which the charging service belongs, arranging full-power charging of the charging service;
s26, if the remaining available power of the power grid is less than or equal to the sum of the total power of the services in all charging:
s261, acquiring real-time power on the electric meter by the MCU controller to obtain real-time total power of other access equipment groups or stations under the current power grid;
s262, subtracting the real-time total power of other current equipment or stations from the total output power of the power transformation cabinet to obtain the residual available power of the ordered pile group;
s263, if the remaining available power of the ordered pile group is larger than the sum of the order power of the ordered pile group in the current charging process, power reduction is not needed;
s264, if the residual available power of the ordered pile group is more than 40KW and less than or equal to the sum of the order power of the ordered pile group in the current charging process, triggering power reduction action of the MCU controller once every time 20KW is reduced;
s265, if the residual available power of the ordered pile group is less than or equal to 40KW, triggering a power reduction action, directly giving an alarm, and reporting to the platform;
s266, if the reduced charging power is obtained through the power reduction formula, the platform inquires the change curve of the current charging power through the charging progress; and reflects to the user side;
the reduced charging power is: dividing 20KW by the number of guns in the ordered charging state to obtain the power required to be reduced by each charging gun;
the service grouping unit divides the charging machines with the same number into one group according to the serial numbers of the chargers and the serial numbers of the power modules to which the charging services belong, and calculates the charging time required by each charging service and the latest starting charging time of each charging service according to the vehicle taking time and the charging amount filled by a user for all the charging services in each group;
a required charging time period calculation formula for each charging service: t isNeed to make= Du 3/P60, where, TNeed to makeFor each charging service, the required charging duration, i.e., time slice, Du3 is the scaled value of the user's planned charge to the interactive system, P is the charging power allocated to the ordered charging pattern, and 60 is minutes; all the time slices of the charging service in each group form a time slice group;
charging is completed 1 hour in advance according to the requirements of the ordered charging system, and the latest starting charging time T of each time slice is calculatedLatest start-up：
TLatest start-up=TGet car-TNeed to make-60, wherein TGet carTime of pickup, T, filled in for userNeed to makeFor each charging service required charging time, i.e. time slice, the service priority determination unit calculates the priority of the charging service by a charging priority formula: r = TLatest start-up-TAt present
Wherein, R represents the value of the charging priority, and the smaller the value, the higher the priority; t isAt presentReferring to the current time, the data format of T: YYYY-MM-DD HH MM: SS,
if the priorities are the same, charging the charging pile first; determining according to the starting service time of the order; the order of priority from low to high is-R, R0, unordered, + RIn chargingwherein-R represents a negative number of priority values, + R represents a positive number of priority values, R0 represents a 0, and + R represents a positive number of priority valuesIn chargingThe representative service priority value is a positive number and the service status is a charging status.
2. The system for dynamically allocating ordered charging time periods for electric vehicles according to claim 1, wherein: the charging sequencing unit sets a multi-level queue for each time slice group according to the priority, the queue with the high priority is charged preferentially, and the queues are sequenced in sequence according to the starting time of the charging service, and the charging priority sequencing method comprises the following steps:
s11, according to TLatest start-upSequencing each group of time slices according to time sequence, and T of unordered serviceLatest start-up=TAt present ；
S12, preferentially arranging the queue with the service priority R as a negative number and in an ordered charging mode;
s13, arranging a queue with service priority R of 0 and in an ordered charging mode;
s14, rearranging the service queue in the disordered charging mode;
and S15, finally arranging the service priority R as a positive number and arranging the pair of the ordered charging modes.
3. The system for dynamically allocating ordered charging time periods for electric vehicles according to claim 2, wherein: the charging sequencing unit searches whether a time slice capable of optimizing starting time exists in the time slice group through a time slice group optimizing method according to the peak valley average time-of-use electricity price, and the time slice group optimizing method comprises the following steps:
s21, if the time slice is the time slice of the unordered service, the optimization is not carried out;
s22, if it is the ordered service time slice, and it starts the charging time T at the latestLatest start-upEarlier than or equal to the current time, not optimized;
s23, if it is the ordered service time slice, and it starts the charging time T at the latestLatest start-upLater than the current time: if the vehicle taking time is 16:00-24:00 in the peak time electricity price period, the starting time is set to be 00:00-08:00 in the valley time electricity price period and 08:00-16:00 in the flat time electricity price period for starting; if the vehicle taking time is 08:00-16:00 in the usual electricity price period, setting the starting time of the vehicle taking time to be between 00:00-08:00 in the valley time electricity price period for starting;
and S24, and other conditions are not optimized.
4. The use method of the system for dynamically allocating orderly charging time periods of electric vehicles according to claim 2 or 3, characterized in that: the using method comprises the following steps:
s1, before charging, selecting a charging mode unit, or performing reserved charging through a reserved charging unit in the service information interaction system;
s2, when the user input is finished, the service information processing system calculates the input parameters, the charging priority sorting method of the charging sorting unit is used for obtaining the sequencing in the queue according to the charging service starting time, meanwhile, the optimal vehicle taking time is obtained according to the time slice group optimization method, and the charging power in the charging state is set through the charging power adjustment method;
and S3, after the charging service control system receives the control instruction, the MCU controller sends an execution command to the charging equipment.
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