CN113910962B - Charging pile charging method, device and medium - Google Patents

Charging pile charging method, device and medium Download PDF

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Publication number
CN113910962B
CN113910962B CN202111222879.0A CN202111222879A CN113910962B CN 113910962 B CN113910962 B CN 113910962B CN 202111222879 A CN202111222879 A CN 202111222879A CN 113910962 B CN113910962 B CN 113910962B
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charging
power
period
time period
amount
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CN113910962A (en
Inventor
郭元镇
吕昌峰
夏荣贵
王蒙元
侯井国
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Jinan Xinxinda Electric Technology Co ltd
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Jinan Xinxinda Electric 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
    • 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
    • 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
    • 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

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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)
  • Secondary Cells (AREA)

Abstract

The embodiment of the application discloses a charging pile charging method, charging pile charging equipment and a charging medium. Acquiring charging data and charging type; the charging data at least comprises a charging amount of a battery to be charged, a charging time period and charging power of a charging pile, and the charging type comprises orderly charging and immediate charging; if the charging type is orderly charging, dividing a charging time period according to a plurality of preset power utilization stages to determine a charging strategy corresponding to the divided time period; if the charging type is immediate charging, determining a corresponding charging strategy according to the residual charging capacity of the current station area; the power utilization stages are divided by fluctuation conditions of the total power utilization amount of the current area; and determining a charging scheme corresponding to the charging time period according to the charging data and the charging strategy, and controlling the charging pile to charge the battery to be charged according to the charging scheme. By the method, load fluctuation of the transformer area during charging is reduced, and the running stability of the power grid is improved.

Description

Charging pile charging method, device and medium
Technical Field
The application relates to the technical field of electric power, in particular to a charging method, charging equipment and a charging medium for a charging pile.
Background
As one of seven fields of novel infrastructures, the charging pile is not only a single-function new energy automobile supplementing energy infrastructure, but also an infrastructure digital information development wind vane in China. And the new round of new energy automobile fills electric pile construction and takes the community as the main and public as the assistance, avoids repeated construction, improves construction efficiency and utilization ratio.
In community charging pile construction, community charging is more economical and efficient compared with other charging modes, and is a feasible mode for meeting the charging requirements of new energy automobiles. According to the charging behavior habit of most new energy owners, the vehicles are generally charged after going to work at night and returning to the living area. The charging time is relatively concentrated in the electricity consumption peak period at night and is highly overlapped with the household electricity consumption high load period, so that larger impact is generated on the power grid load, the load state fluctuation of the peak-valley stage area is larger during charging, and the stable operation of the power grid is influenced.
Disclosure of Invention
The embodiment of the application provides a charging pile charging method, charging pile charging equipment and charging pile charging medium, which are used for solving the following technical problems: the load state of the transformer area in the Shi Fenggu period of charging pile has large fluctuation, and the stable operation of the power grid is affected.
The embodiment of the application adopts the following technical scheme:
the embodiment of the application provides a charging method of a charging pile. The method comprises the steps of obtaining charging data and charging types; the charging data at least comprises a charging amount of a battery to be charged, a charging time period and charging power of a charging pile, and the charging type comprises orderly charging and immediate charging; if the charging type is orderly charging, dividing a charging time period according to a plurality of preset power utilization stages to determine a charging strategy corresponding to the divided time period; if the charging type is immediate charging, determining a corresponding charging strategy according to the residual charging capacity of the current station area; the power utilization stages are divided by fluctuation conditions of the total power utilization amount of the current area; and determining a charging scheme corresponding to the charging time period according to the charging data and the charging strategy, and controlling the charging pile to charge the battery to be charged according to the charging scheme.
According to the embodiment of the application, through the charging type, the charging data and the preset multiple electricity utilization stages, the corresponding charging strategy can be determined according to the user requirements, on one hand, the normal charging of the previous user can be ensured, the requirements of the current charging user can be met to the greatest extent, and meanwhile, the fluctuation influence on the platform area is minimal. Meanwhile, in the embodiment of the application, the power utilization stages corresponding to the peak Gu Ping respectively in three different conditions are preset, and the charging schemes corresponding to the peak Gu Ping conditions corresponding to the charging time period are determined according to the charging data and the charging strategy, so that the obtained charging schemes can reduce the impact of concentrated charging on the power grid load, reduce the coincidence ratio of peak power utilization and charging, increase the power consumption in the valley period, and enable the power grid to run more stably.
In one implementation manner of the present application, if the charging type is ordered charging, the charging time period is divided according to a plurality of preset power utilization stages to determine a charging policy corresponding to the divided time period, which specifically includes: when the charging type is orderly charging, determining a valley period time period, a normal period time period and a peak period time period contained in the charging time period according to a preset peak-valley time table, and determining charging strategies respectively corresponding to the time periods of different periods.
According to the embodiment of the application, different charging strategies are set for the charging process according to the peak-valley time corresponding to the charging time period, and an economical charging scheme can be calculated on the basis of meeting the charging requirement of a user. And the impact of peak period centralized charging on the power grid load can be reduced, and the stable operation of the power grid is ensured.
In one implementation manner of the present application, determining a charging scheme corresponding to a charging time period according to charging data and a charging policy specifically includes: when the charging time period comprises a valley time period, obtaining first charging power according to the charging amount and the duration of the valley time period; if the first charging power is not greater than the charging power of the charging pile, the charging quantity is evenly distributed to the valley period time so as to uniformly charge in the valley period time; if the first charging power is larger than the charging power of the charging pile, obtaining a first charging amount according to the duration of the valley period and the charging power of the charging pile, and obtaining a first remaining charging amount according to the charging amount and the first charging amount; and completing the charging of the first charging amount in the valley period time period, and determining a charging scheme corresponding to the first remaining charging amount according to a charging strategy corresponding to the peak period time period in the usual period time period.
The embodiment of the application firstly determines the valley period time in the charging period, determines whether the charging can be completed in the valley period time according to the charging duration and the charging power, and uniformly distributes all to-be-charged amounts to the valley period time under the condition that the charging can be completed, thereby reducing the fluctuation of the power grid and ensuring the stable operation of the power grid. And secondly, under the condition that the charging cannot be completed in the valley period time, the flat period time and the peak period time are started to charge, so that the electricity consumption of the valley period time is improved to the greatest extent, and the charging cost of a user is reduced.
In one implementation manner of the present application, according to a charging strategy corresponding to a normal period and a peak period, a charging scheme corresponding to a first remaining charge amount is determined, which specifically includes: when the charging time period comprises a flat time period, obtaining second charging power according to the first residual charging quantity and the duration of the flat time period; if the second charging power is not greater than the charging power of the charging pile, the first residual charging quantity is evenly distributed to the usual period time so as to be uniformly charged in the usual period time; if the second charging power is larger than the charging power of the charging pile, obtaining a second charging amount according to the duration of the usual period and the charging power of the charging pile, and obtaining a second remaining charging amount according to the first remaining charging amount and the second charging amount; and finishing the charging of the second charging amount in the usual period time period, and determining a charging scheme corresponding to the second remaining charging amount according to a charging strategy corresponding to the peak period time period.
In one implementation manner of the present application, according to a charging strategy corresponding to a peak period, a charging scheme corresponding to a second remaining charge amount is determined, and specifically includes: when the charging time period comprises a peak time period, obtaining third charging power according to the second residual charging quantity and the duration of the peak time period; if the third charging power is not greater than the charging power of the charging pile, the second residual charging quantity is evenly distributed to the peak period time so as to uniformly charge in the peak period time; if the third charging power is greater than the duration of the peak period, determining the total charging amount corresponding to the charging period, and sending the total charging amount to the user so as to remind the user of the chargeable amount.
In one implementation manner of the present application, if the charging type is immediate charging, determining a corresponding charging policy according to a remaining charging capacity of a current station area specifically includes: obtaining the residual charging capacity of the current station area according to the maximum power of the charging pile, the charging capacity of the current station area and other charging schemes corresponding to the current station area; comparing the residual charging capacity of the current station area with the charging power of the charging pile, if the maximum charging power of the charging pile is larger than the residual capacity of the current station area, taking the residual capacity of the current station area as a charging power reference value, otherwise taking the maximum charging power of the charging pile as the charging power reference value; obtaining estimated charging duration according to the charging power reference value and the charging quantity of the battery to be charged; and comparing the estimated charging time length with the time length of the charging time period, and determining a charging strategy when the battery is charged immediately through a comparison result.
In one implementation of the present application, after comparing the estimated charging time length with the charging time, the method further includes: and under the condition that the estimated charging duration is not greater than the charging time, adjusting a charging scheme corresponding to the platform area so as to perform charging tasks of ordered charging types after the charging tasks of immediate charging types are completed.
In one implementation manner of the present application, a charging scheme corresponding to a platform area is adjusted to perform charging tasks of ordered charging types after the charging tasks of immediate charging types are completed, which specifically includes: obtaining the charging total duration and the charging total electric quantity corresponding to the platform area according to the charging tasks of the ordered charging type and the charging tasks of the immediate charging type; obtaining average charging power according to the total charging duration and the total charging electric quantity; determining an average charging power and a first charging power difference value between charging powers corresponding to charging tasks of an immediate charging type; based on charging power and charging duration corresponding to the charging task of the immediate charging type, immediate charging is carried out, and based on a first charging power difference value, orderly charging is carried out at the same time; and after the charging tasks of the immediate charging type are completed, adjusting the charging power corresponding to the charging tasks of the ordered charging type based on the remaining charging duration and the remaining charging quantity so as to complete the charging tasks of the remaining ordered charging type.
Under the condition that the charging schedule can be completed in the current time period, the embodiment of the application can adjust the current charging schedule, so that the charging schedule is firstly and immediately charged, and then orderly charged. On the one hand, the requirements of immediate charging users can be met, charging can be completed in a short time, and the fluctuation of a power grid can be reduced, so that the power grid can be charged stably.
The embodiment of the application provides charging pile charging equipment, which comprises the following components: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor, the instructions being executable by the at least one processor to enable the at least one processor to: acquiring charging data and charging type; the charging data at least comprises a charging amount of a battery to be charged, a charging time period and charging power of a charging pile, and the charging type comprises orderly charging and immediate charging; if the charging type is orderly charging, dividing a charging time period according to a plurality of preset power utilization stages to determine a charging strategy corresponding to the divided time period; if the charging type is immediate charging, determining a corresponding charging strategy according to the residual charging capacity of the current station area; the power utilization stages are divided by fluctuation conditions of the total power utilization amount of the current area; and determining a charging scheme corresponding to the charging time period according to the charging data and the charging strategy, and controlling the charging pile to charge the battery to be charged according to the charging scheme.
The non-volatile computer storage medium provided by the embodiment of the application stores computer executable instructions, and the computer executable instructions are set as follows: acquiring charging data and charging type; the charging data at least comprises a charging amount of a battery to be charged, a charging time period and charging power of a charging pile, and the charging type comprises orderly charging and immediate charging; if the charging type is orderly charging, dividing a charging time period according to a plurality of preset power utilization stages to determine a charging strategy corresponding to the divided time period; if the charging type is immediate charging, determining a corresponding charging strategy according to the residual charging capacity of the current station area; the power utilization stages are divided by fluctuation conditions of the total power utilization amount of the current area; and determining a charging scheme corresponding to the charging time period according to the charging data and the charging strategy, and controlling the charging pile to charge the battery to be charged according to the charging scheme.
The above at least one technical scheme adopted by the embodiment of the application can achieve the following beneficial effects: according to the embodiment of the application, through the charging type, the charging data and the preset multiple electricity utilization stages, the corresponding charging strategy can be determined according to the user requirements, on one hand, the normal charging of the previous user can be ensured, the requirements of the current charging user can be met to the greatest extent, and meanwhile, the fluctuation influence on the platform area is minimal. Meanwhile, in the embodiment of the application, the power utilization stages corresponding to the peak Gu Ping respectively in three different conditions are preset, and the charging schemes corresponding to the peak Gu Ping conditions corresponding to the charging time period are determined according to the charging data and the charging strategy, so that the obtained charging schemes can reduce the impact of concentrated charging on the power grid load, reduce the coincidence ratio of peak power utilization and charging, increase the power consumption in the valley period, and enable the power grid to run more stably.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art. Attached at
In the figure:
fig. 1 is a flowchart of a charging method of a charging pile according to an embodiment of the present application;
FIG. 2 is a diagram of an example of immediate charging provided by an embodiment of the present application;
fig. 3 is a schematic structural diagram of a charging pile charging device according to an embodiment of the present application.
Detailed Description
The embodiment of the application provides a charging pile charging method, charging pile charging equipment and a charging medium.
In order to make the technical solution of the present application better understood by those skilled in the art, the technical solution of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
In community charging pile construction, community charging is more economical and efficient compared with other charging modes, and is a feasible mode for meeting the charging requirements of new energy automobiles. According to the charging behavior habit of most new energy owners, the vehicles are generally charged after going to work at night and returning to the living area. The charging time is relatively concentrated in the electricity consumption peak period at night and is highly overlapped with the household electricity consumption high load period, so that larger impact is generated on the power grid load, the load state fluctuation of the peak-valley stage area is larger during charging, and the stable operation of the power grid is influenced.
Meanwhile, the electricity consumption in partial areas has higher cost in peak period and lower cost in valley period, and the influence of peak-valley period platform load state on the platform area and the influence of peak-valley electricity price on the user are not considered in the prior art, so that the car owner can pay more cost in peak charging.
In order to solve the problems, the embodiment of the application provides a charging method, a device and a medium for a charging pile. Through the charging type, the charging data and a plurality of preset electricity utilization stages, corresponding charging strategies can be determined according to user requirements, on one hand, the normal charging of the previous users can be ensured, the requirements of the current charging users can be met to the greatest extent, and meanwhile, the fluctuation influence on the station area is minimal. Meanwhile, in the embodiment of the application, the power utilization stages corresponding to the peak Gu Ping respectively in three different conditions are preset, and the charging schemes corresponding to the peak Gu Ping conditions corresponding to the charging time period are determined according to the charging data and the charging strategy, so that the obtained charging schemes can reduce the impact of concentrated charging on the power grid load, reduce the coincidence ratio of peak power utilization and charging, increase the power consumption in the valley period, and enable the power grid to run more stably.
The following describes the technical scheme provided by the embodiment of the application in detail through the attached drawings.
Fig. 1 is a flowchart of a charging method for a charging pile according to an embodiment of the present application. As shown in fig. 1, the charging method of the charging pile includes the steps of:
s101, the charging pile charging equipment acquires charging data and charging type.
In one embodiment of the present application, when the charging pile is charged, the user selects the charging type according to the requirement. The charging pile charging equipment acquires the charging type selected by the user and the uploaded charging data. The charging type comprises immediate charging and ordered charging.
Specifically, if the charging type selected by the user is ordered charging, the charging pile charging device may obtain charging data such as a charging amount of the battery to be charged, a charging period, and charging power of the charging pile. Wherein the charging period includes a charging start time and a charging end time. Meanwhile, battery information such as the capacity of the current battery, the maximum capacity of the battery and the like can be obtained. And uploading the charging data and the charging type to charging equipment of the charging pile through the charging pile or equipment such as a user terminal and the like so as to determine a corresponding charging scheme of the current battery to be charged.
Specifically, if the charging type selected by the user is immediate charging, charging data such as the charging amount of the battery to be charged, the charging power of the charging pile and the like are uploaded to the charging pile charging equipment through the charging pile or the terminal equipment of the user, so that a corresponding charging scheme of the battery to be charged at present is determined.
If the user does not select the charging period and the charging amount, the current time is set as the charging start time, and the default charging amount is full of electric power.
S102, if the charging type is orderly charging, dividing the charging time period according to a plurality of preset power utilization stages to determine a charging strategy corresponding to the divided time period, and if the charging type is immediately charging, determining a corresponding charging strategy according to the residual charging capacity of the current station area.
In one embodiment of the application, the plurality of electricity utilization stages are divided by the fluctuation condition of the total electricity utilization amount of the current area, and a preset peak-valley time table is formulated according to the division condition. When the charging type is orderly charging, determining a valley period time period, a normal period time period and a peak period time period contained in the charging time period according to a preset peak-valley time table, and determining charging strategies respectively corresponding to the time periods of different periods. And when the charging type is immediate charging, comparing the residual charging capacity of the current power utilization stage of the district with the charging power of the charging pile to determine a charging power reference value, and determining a charging strategy according to the charging power reference value.
Specifically, according to the embodiment of the application, the charging strategy corresponding to the current charging task is determined according to the charging time period selected by the user and the preset peak Gu Ping power utilization stage. For example, if the charging type selected by the user is ordered charging, determining a peak-valley time period included in the charging time period, and determining the most economical charging strategy with the least fluctuation according to the charging data and the current load condition of the district. Each power utilization stage is preset with a corresponding charging strategy, and one or more charging strategies corresponding to the charging time period can be determined according to one or more charging stages contained in the charging time period. And combining different charging strategies corresponding to different time periods to determine the corresponding charging scheme.
Specifically, if the charging type selected by the user is immediate charging, determining a corresponding charging strategy according to the charging amount, the charging power of the charging pile and the current power utilization stage capacity of the district. Under the condition of guaranteeing the previous charging schedule, the integral charging schedule is adjusted, the previous user is guaranteed to charge normally, the requirement of the user for charging immediately can be met to the greatest extent, and meanwhile the fluctuation influence on the station area is minimal.
Further, according to the maximum power of the charging pile, the charging capacity of the current station area and the charging plan of the current station area, the residual charging capacity of the current station area is obtained. And comparing the residual charging capacity of the current platform area with the charging power of the charging pile, if the maximum charging power of the charging pile is larger than the residual capacity of the current platform area, taking the residual capacity of the current platform area as a charging power reference value, otherwise, taking the maximum charging power of the charging pile as the charging power reference value. And obtaining the estimated charging duration according to the charging power reference value and the charging quantity of the battery to be charged. And comparing the estimated charging time length with the time length of the charging time period, and determining a charging strategy when the battery is charged immediately through a comparison result.
Specifically, the charging capacity of the current station area in the electricity utilization stage is obtained, and the charging power of the charging pile and other charging schemes obtained by the current station area are obtained, so that the residual charging capacity of the current station area is obtained. The capacity of a transformer area refers to the capacity under the current transformer, and the area under one transformer is called one transformer area. And comparing the residual charging capacity of the current station area with the charging power of the charging pile to obtain a charging power reference value. And calculating the ratio of the charge quantity of the battery to be charged to the reference value of the charge power to obtain the estimated charge duration. If the estimated charging duration is smaller than the charging time period, the current time period is indicated to complete the charging task, and at the moment, the charging plan in the current charging time period can be adjusted to obtain a charging scheme corresponding to the current time period. The adjusted charging scheme can reduce fluctuation of the power grid during charging, so that the power grid stably operates.
And S103, the charging pile charging equipment determines a charging scheme corresponding to the charging time period according to the charging data and the charging strategy, and controls the charging pile to charge the battery to be charged according to the charging scheme.
In one embodiment of the present application, when the charging period includes a valley period, the first charging power is obtained according to the charge amount and the duration of the valley period; if the first charging power is not greater than the charging power of the charging pile, the charging quantity is evenly distributed to the valley period time so as to uniformly charge in the valley period time; if the first charging power is larger than the charging power of the charging pile, obtaining a first charging amount according to the duration of the valley period and the charging power of the charging pile, and obtaining a first remaining charging amount according to the charging amount and the first charging amount; and completing the charging of the first charging amount in the valley period time period, and determining a charging scheme corresponding to the first remaining charging amount according to a charging strategy corresponding to the peak period time period in the usual period time period.
Specifically, each power utilization stage is provided with a corresponding charging strategy, and one or more different power utilization stages contained in the current charging time period can be determined according to the obtained charging time period and a preset peak-valley time table. According to different electricity utilization stages, different charging strategies are obtained, and corresponding charging schemes can be obtained according to the charging strategies and charging data. For example, the current charging period includes a valley period, a first charging power is obtained according to a ratio of the charging amount to the valley period, the first charging power is compared with a charging power of a charging pile corresponding to the valley period, and if the first charging power is smaller than the charging power of the charging pile, it is indicated that the current charging task can be completed in the valley period. At this time, the charging amount can be evenly distributed to the valley period time to obtain the charging scheme of the valley period time, and the scheme not only can reduce the charging cost to the greatest extent, but also enables the power grid to stably run in the whole valley period time.
Further, the charging power is obtained by the ratio of the charging amount to the valley period time period. If the charging power is not greater than the maximum power of the charging pile or the charging power is not greater than the residual capacity of the platform area, the current charging task can be completed in the valley period time.
Further, if the charging power is greater than the maximum power of the charging pile or greater than the remaining capacity of the station area after calculation, the current charging task cannot be completed only by the valley period. However, in order to minimize the charge cost, the maximum charge amount that can be charged in the valley period may be calculated from the length of the valley period included in the current charge period and the charge power corresponding to the valley period. And performing difference calculation on the maximum charge amount corresponding to the valley period time to obtain a first residual charge amount. At this time, the corresponding maximum charge amount completed in the valley period time is equally distributed to the valley period time, a first charging scheme is obtained, and the charging task of the first remaining charge amount is completed in the usual period time or the peak period time.
In one embodiment of the present application, when the charging period includes a flat period, the second charging power is obtained according to the first remaining charge amount and the duration of the flat period; if the second charging power is not greater than the charging power of the charging pile, the first residual charging quantity is evenly distributed to the usual period time so as to be uniformly charged in the usual period time; if the second charging power is larger than the charging power of the charging pile, obtaining a second charging amount according to the duration of the usual period and the charging power of the charging pile, and obtaining a second remaining charging amount according to the first remaining charging amount and the second charging amount; and finishing the charging of the second charging amount in the usual period time period, and determining a charging scheme corresponding to the second remaining charging amount according to a charging strategy corresponding to the peak period time period.
Specifically, if the charging power is greater than the maximum power of the charging pile or greater than the remaining capacity of the station area after calculation, the charging task cannot be completed only by the valley period, and therefore, it is necessary to perform partial charging in the normal period included in the charging period. At this time, according to the ratio of the obtained first remaining charge amount to the normal period time, a second charging power is obtained, the second charging power is compared with the charging power of the charging pile corresponding to the normal period time, and if the second charging power is smaller than the charging power of the charging pile, the current charging task can be completed in the normal period time. At this time, the charge amount may be equally distributed into the usual period of time, resulting in the second charging scheme of the usual period of time. According to the first charging scheme corresponding to the valley period time period and the second charging scheme corresponding to the normal period time period, a charging scheme corresponding to the current charging task can be obtained.
Further, the charging power is obtained by the ratio of the charging amount to the usual period of time. If the charging power is not greater than the maximum power of the charging pile or the charging power is not greater than the residual capacity of the platform area, the current charging task can be completed in the usual period of time.
Further, if the charging power is greater than the maximum power of the charging pile or greater than the remaining capacity of the station area after calculation, the current charging task cannot be completed depending on the valley period time and the normal period time. However, in order to minimize the charge cost, the maximum charge amount that can be charged in the usual period time may be calculated from the duration of the usual period time included in the current charge period and the charge power corresponding to the usual period time. And performing difference calculation on the first residual charge and the calculated maximum charge to obtain a second residual charge. At this time, the maximum charge amount that can be charged in the usual period time is equally distributed to the usual period time to complete the corresponding maximum charge amount in the usual period time, and the charging task of the second remaining charge amount is completed in the peak period time.
In one embodiment of the present application, when the charging period includes a peak period, the third charging power is obtained according to the second remaining charge amount and the duration of the peak period. And if the third charging power is not greater than the charging power of the charging pile, uniformly distributing the second residual charging quantity to the peak period time so as to uniformly charge in the peak period time. If the third charging power is greater than the duration of the peak period, determining the total charging amount corresponding to the charging period, and sending the total charging amount to the user so as to remind the user of the chargeable amount.
Specifically, if the charging power is greater than the maximum power of the charging pile or greater than the remaining capacity of the station area, the charging task cannot be completed depending on the valley period and the normal period, and therefore, it is necessary to charge in the peak period included in the charging period. At this time, according to the obtained ratio of the second remaining charge amount to the peak period, a third charging power is obtained, the third charging power is compared with the charging power of the charging pile corresponding to the peak period, and if the third charging power is smaller than the charging power of the charging pile, it is indicated that the current charging task can be completed in the peak period. At this time, the second remaining power may be equally distributed to the peak period time, resulting in a third charging scheme of the peak period time. According to the first charging scheme corresponding to the valley period time, the second charging scheme corresponding to the normal period time and the third charging scheme corresponding to the peak period time, the charging scheme corresponding to the current charging task can be obtained.
Further, the charging power is obtained by a ratio of the second remaining charge amount to the peak period. If the charging power is not greater than the maximum power of the charging pile or the charging power is not greater than the residual capacity of the platform area, the current charging task can be completed in the peak period time.
Further, if the calculated charging power is greater than the maximum power of the charging pile or greater than the remaining capacity of the station area, the current charging task cannot be completed in the valley period, the normal period and the peak period. At this time, according to the charge amounts which can be completed in the valley period, the normal period and the peak period, the total charge amount which can be completed in the charging period is obtained, and the total charge amount is sent to the user, so that the user is reminded of whether to choose to charge or not or to prolong the charging period.
In one embodiment of the present application, if the user selects immediate charging and the estimated charging duration is less than the charging time period, the charging task may be completed in the current time period. At this time, the charging scheme corresponding to the platform area is adjusted to obtain the charging scheme corresponding to the current time period, so that after the charging tasks of the immediate charging type are completed, the charging tasks of the ordered charging type are performed.
Specifically, according to the ordered charging tasks and the immediate charging tasks, the charging total duration and the charging total electric quantity corresponding to the station area are obtained. Obtaining average charging power according to the total charging duration and the total charging electric quantity; an average charging power is determined, and a first charging power difference between charging powers corresponding to charging tasks of the immediate charging type. And carrying out immediate charging based on the charging power and the charging duration corresponding to the charging task of the immediate charging type, and carrying out orderly charging based on the first charging power difference value. And after the charging tasks of the immediate charging type are completed, adjusting the charging power corresponding to the charging tasks of the ordered charging type based on the remaining charging duration and the remaining charging quantity so as to complete the charging tasks of the remaining ordered charging type.
For example, the charging period is 23 hours to 5 hours on the next day, the duration is 6 hours, the ordered charging power is 3kw, the immediate charging power is 4 hours, and the power is 4kw. If the charging schedule is not regenerated, the power of the first 4 hours is 7kw, the power of the second 2 hours is 3kw, and the front and rear charging power fluctuation is large. The total charge amount was 34kwh. And adjusting the charging scheme, and obtaining the average charging power of 5.7kw, immediately charging in the first 4 hours, the power of 4kw and simultaneously orderly charging, wherein the power is 1.7kw according to the total charging power and the charging duration. Only ordered charging was performed within the last 2 hours, at which time the charging power was 5.7kw. It can be seen that the adjusted charging scheme can achieve a balance of charging power.
Fig. 2 is a diagram of an example of immediate charging according to an embodiment of the present application. As shown in fig. 2, the left is a charge power schematic before the recharging of the charge scheme, and the right is a charge power schematic after the recharging of the charge scheme. Wherein, the abscissa is the charging time, the ordinate is the charging power, the solid line part is the orderly charged power, and the dotted line part is the immediately charged power. As can be seen from the charge power diagram before the regeneration of the charge scheme on the left, the ordered charge power for the first 4 hours is 3kw, the immediate charge power is 4kw, i.e. the charge power corresponding to the first 4 hours is 7kw, and the charge power corresponding to the ordered charge for the second two hours is 3kw, so that at the end of the fourth hour, the charge power is reduced from 7kw to 3kw, the fluctuation value is 4kw, and a large fluctuation is generated. As can be seen from the charge power schematic after the right regenerated charge scheme, the first 4 hours of ordered charge power is 1.7kw, the immediate charge power is 4kw, i.e., the charge power corresponding to the first 4 hours is 5.7kw, the charge power corresponding to the second two hours is 5.7kw, and the charge power at the end of the fourth hour is still 5.7kw. Therefore, under the condition that the total charge amount and the charge duration are unchanged, the regenerated charge scheme balances the power of the whole charge process, so that the power grid operates more stably.
It should be noted that, in the case where the amount of electricity of the ordered charge is larger than the amount of electricity of the immediate charge, the entire charging process may be adjusted to be balanced. In the case where the amount of electricity in the ordered charge is smaller than the amount of electricity in the immediate charge, fluctuation of the charge power can be greatly reduced, and the calculation method is the same as when the amount of electricity in the ordered charge is larger than the amount of electricity in the immediate charge.
Fig. 3 is a schematic structural diagram of a charging pile charging device according to an embodiment of the present application. As shown in fig. 3, the charging pile charging device includes,
at least one processor; the method comprises the steps of,
a memory communicatively coupled to the at least one processor; wherein,
the memory stores instructions executable by the at least one processor to enable the at least one processor to:
acquiring charging data and charging type; the charging data at least comprises a charging amount of a battery to be charged, a charging time period and charging power of a charging pile, and the charging type comprises orderly charging and immediate charging;
if the charging type is orderly charging, dividing the charging time period according to a plurality of preset power utilization stages to determine a charging strategy corresponding to the divided time period; if the charging type is immediate charging, determining a corresponding charging strategy according to the residual charging capacity of the current station area; the power utilization stages are divided by fluctuation conditions of the total power utilization amount of the current area;
And determining a charging scheme corresponding to the charging time period according to the charging data and the charging strategy, and controlling the charging pile to charge the battery to be charged according to the charging scheme.
Embodiments of the present application also include a non-volatile computer storage medium storing computer-executable instructions configured to:
acquiring charging data and charging type; the charging data at least comprises a charging amount of a battery to be charged, a charging time period and charging power of a charging pile, and the charging type comprises orderly charging and immediate charging;
if the charging type is orderly charging, dividing the charging time period according to a plurality of preset power utilization stages to determine a charging strategy corresponding to the divided time period; if the charging type is immediate charging, determining a corresponding charging strategy according to the residual charging capacity of the current station area; the power utilization stages are divided by fluctuation conditions of the total power utilization amount of the current area;
and determining a charging scheme corresponding to the charging time period according to the charging data and the charging strategy, and controlling the charging pile to charge the battery to be charged according to the charging scheme.
The embodiments of the present application are described in a progressive manner, and the same and similar parts of the embodiments are all referred to each other, and each embodiment is mainly described in the differences from the other embodiments. In particular, for apparatus, devices, non-volatile computer storage medium embodiments, the description is relatively simple, as it is substantially similar to method embodiments, with reference to the section of the method embodiments being relevant.
The foregoing describes certain embodiments of the present application. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims can be performed in a different order than in the embodiments and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.
The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the embodiments of the application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the embodiments of the present application should be included in the scope of the claims of the present application.

Claims (9)

1. A charging method of a charging pile, the method comprising:
acquiring charging data and charging type; the charging data at least comprises a charging amount of a battery to be charged, a charging time period and charging power of a charging pile, and the charging type comprises orderly charging and immediate charging;
if the charging type is orderly charging, dividing the charging time period according to a plurality of preset power utilization stages to determine a charging strategy corresponding to the divided time period; if the charging type is immediate charging, determining a corresponding charging strategy according to the residual charging capacity of the current station area; the power utilization stages are divided by fluctuation conditions of the total power utilization amount of the current area;
determining a charging scheme corresponding to the charging time period according to the charging data and the charging strategy, and controlling the charging pile to charge the battery to be charged according to the charging scheme; wherein, the charging strategy is related to a charging time period selected by a user and a preset peak Gu Ping power utilization stage; the charging scheme is obtained by combining different charging strategies corresponding to different time periods;
The determining a charging scheme corresponding to the charging time period according to the charging data and the charging strategy specifically includes:
when the charging time period comprises a valley period time period, obtaining first charging power according to the charging quantity and the duration of the valley period time period;
if the first charging power is not greater than the charging power of the charging pile, the charging quantity is evenly distributed to the valley period time so as to uniformly charge in the valley period time;
if the first charging power is larger than the charging power of the charging pile, a first charging amount is obtained according to the duration of the valley period time and the charging power of the charging pile, and a first remaining charging amount is obtained according to the charging amount and the first charging amount; and completing the charging of the first charging amount in the valley period time period, and determining a charging scheme corresponding to the first remaining charging amount according to a charging strategy corresponding to the peak period time period and the ordinary period time period.
2. The charging method of claim 1, wherein if the charging type is ordered charging, the charging time period is divided according to a plurality of preset power utilization stages to determine a charging policy corresponding to the divided time period, and the method specifically comprises:
When the charging type is orderly charging, determining a valley period time period, a normal period time period and a peak period time period contained in the charging period according to a preset peak-valley time table, and determining charging strategies respectively corresponding to the time periods of different periods.
3. The charging method of claim 2, wherein determining the charging scheme corresponding to the first remaining charge amount according to the charging policy corresponding to the flat period and the peak period specifically includes:
when the charging time period comprises a flat time period, obtaining second charging power according to the first residual charging amount and the duration of the flat time period;
if the second charging power is not greater than the charging power of the charging pile, the first residual charging quantity is evenly distributed to the usual time period so as to uniformly charge in the usual time period;
if the second charging power is larger than the charging power of the charging pile, obtaining a second charging amount according to the duration of the usual period time and the charging power of the charging pile, and obtaining a second remaining charging amount according to the first remaining charging amount and the second charging amount; and completing the charging of the second charging amount in the normal period time, and determining a charging scheme corresponding to the second remaining charging amount according to a charging strategy corresponding to the peak period time.
4. The charging method of claim 3, wherein determining the charging scheme corresponding to the second remaining charge amount according to the charging policy corresponding to the peak period time period specifically includes:
when the charging time period comprises a peak time period, obtaining third charging power according to the second residual charging amount and the duration of the peak time period;
if the third charging power is not greater than the charging power of the charging pile, the second remaining charge amount is evenly distributed to the peak period time so as to perform uniform charging in the peak period time;
and if the third charging power is greater than the duration of the peak period time, determining the total charging amount corresponding to the charging period time, and sending the total charging amount to a user so as to remind the user of the chargeable amount.
5. The charging method of claim 1, wherein if the charging type is immediate charging, determining a corresponding charging policy according to a remaining charging capacity of a current station area, comprises:
obtaining the residual charging capacity of the current station area in the electricity utilization stage according to the maximum power of the charging pile, the charging capacity of the current station area and the obtained charging scheme of the current station area;
Comparing the residual charging capacity of the current station area power utilization stage with the charging power of the charging pile, if the maximum charging power of the charging pile is larger than the residual capacity of the current station area power utilization stage, taking the residual capacity of the current station area power utilization stage as a charging power reference value, otherwise taking the maximum charging power of the charging pile as a charging power reference value;
obtaining estimated charging duration according to the charging power reference value and the charging quantity of the battery to be charged;
and comparing the estimated charging time length with the time length of the charging time period, and determining a charging strategy when the battery is charged immediately through a comparison result.
6. The charging pile charging method according to claim 5, wherein after the comparing the estimated charging time period with the time period of the charging period, the method further comprises:
and under the condition that the estimated charging time is not longer than the charging time period, adjusting a charging scheme corresponding to the platform area so as to perform charging tasks of ordered charging types after the charging tasks of immediate charging types are completed.
7. The charging method of claim 6, wherein the adjusting the charging scheme corresponding to the station area to perform the charging tasks of the ordered charging type after the charging tasks of the immediate charging type are completed specifically comprises:
Obtaining a total charging duration and total charging electric quantity corresponding to the platform area according to the ordered charging tasks and the immediate charging tasks;
obtaining average charging power according to the total charging duration and the total charging electric quantity;
determining the average charging power, and a first charging power difference value between the charging powers corresponding to the charging tasks of the immediate charging type;
performing immediate charging based on charging power and charging duration corresponding to the charging task of the immediate charging type, and performing orderly charging based on the first charging power difference value;
and after the charging tasks of the immediate charging type are completed, adjusting the charging power corresponding to the charging tasks of the ordered charging type based on the remaining charging duration and the remaining charging quantity so as to complete the charging tasks of the remaining ordered charging type.
8. A charging pile charging device, comprising:
at least one processor; the method comprises the steps of,
a memory communicatively coupled to the at least one processor; wherein,
the memory stores instructions executable by the at least one processor to enable the at least one processor to:
Acquiring charging data and charging type; the charging data at least comprises a charging amount of a battery to be charged, a charging time period and charging power of a charging pile, and the charging type comprises orderly charging and immediate charging;
if the charging type is orderly charging, dividing the charging time period according to a plurality of preset power utilization stages to determine a charging strategy corresponding to the divided time period; if the charging type is immediate charging, determining a corresponding charging strategy according to the residual charging capacity of the current station area; the power utilization stages are divided by fluctuation conditions of the total power utilization amount of the current area;
determining a charging scheme corresponding to the charging time period according to the charging data and the charging strategy, and controlling the charging pile to charge the battery to be charged according to the charging scheme; wherein, the charging strategy is related to a charging time period selected by a user and a preset peak Gu Ping power utilization stage; the charging scheme is obtained by combining different charging strategies corresponding to different time periods;
the determining a charging scheme corresponding to the charging time period according to the charging data and the charging strategy specifically includes:
When the charging time period comprises a valley period time period, obtaining first charging power according to the charging quantity and the duration of the valley period time period;
if the first charging power is not greater than the charging power of the charging pile, the charging quantity is evenly distributed to the valley period time so as to uniformly charge in the valley period time;
if the first charging power is larger than the charging power of the charging pile, a first charging amount is obtained according to the duration of the valley period time and the charging power of the charging pile, and a first remaining charging amount is obtained according to the charging amount and the first charging amount; and completing the charging of the first charging amount in the valley period time period, and determining a charging scheme corresponding to the first remaining charging amount according to a charging strategy corresponding to the peak period time period and the ordinary period time period.
9. A non-transitory computer storage medium storing computer-executable instructions configured to:
acquiring charging data and charging type; the charging data at least comprises a charging amount of a battery to be charged, a charging time period and charging power of a charging pile, and the charging type comprises orderly charging and immediate charging;
If the charging type is orderly charging, dividing the charging time period according to a plurality of preset power utilization stages to determine a charging strategy corresponding to the divided time period; if the charging type is immediate charging, determining a corresponding charging strategy according to the residual charging capacity of the current station area; the power utilization stages are divided by fluctuation conditions of the total power utilization amount of the current area;
determining a charging scheme corresponding to the charging time period according to the charging data and the charging strategy, and controlling the charging pile to charge the battery to be charged according to the charging scheme; wherein, the charging strategy is related to a charging time period selected by a user and a preset peak Gu Ping power utilization stage; the charging scheme is obtained by combining different charging strategies corresponding to different time periods;
the determining a charging scheme corresponding to the charging time period according to the charging data and the charging strategy specifically includes:
when the charging time period comprises a valley period time period, obtaining first charging power according to the charging quantity and the duration of the valley period time period;
If the first charging power is not greater than the charging power of the charging pile, the charging quantity is evenly distributed to the valley period time so as to uniformly charge in the valley period time;
if the first charging power is larger than the charging power of the charging pile, a first charging amount is obtained according to the duration of the valley period time and the charging power of the charging pile, and a first remaining charging amount is obtained according to the charging amount and the first charging amount; and completing the charging of the first charging amount in the valley period time period, and determining a charging scheme corresponding to the first remaining charging amount according to a charging strategy corresponding to the peak period time period and the ordinary period time period.
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