CN113910962A - Charging method, device and medium for charging pile - Google Patents

Charging method, device and medium for charging pile Download PDF

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Publication number
CN113910962A
CN113910962A CN202111222879.0A CN202111222879A CN113910962A CN 113910962 A CN113910962 A CN 113910962A CN 202111222879 A CN202111222879 A CN 202111222879A CN 113910962 A CN113910962 A CN 113910962A
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China
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charging
time period
power
amount
pile
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CN113910962B (en
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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

Abstract

The embodiment of the application discloses a charging method, charging equipment and charging medium for a charging pile. Acquiring charging data and a charging type; the charging data at least comprises the charging amount and the charging time period of a battery to be charged and the charging power of a charging pile, and the charging types comprise ordered charging and immediate charging; if the charging type is ordered charging, dividing the charging time period according to a plurality of preset power utilization stages so as 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 distribution room; the power utilization stages are divided according to the fluctuation condition of the total power utilization amount of the current region; 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, the load fluctuation of the transformer area during charging is reduced, and the running stability of the power grid is improved.

Description

Charging method, device and medium for charging pile
Technical Field
The present disclosure relates to the field of power technologies, and in particular, to a charging method, a charging device, and a charging medium for a charging pile.
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 infrastructure in China. And a new round of new energy automobile fills electric pile construction and will use the community as the owner, publicly as the assistance, avoids repeatedly putting into operation, improves construction efficiency and rate of utilization.
In the community fills electric pile construction, the district charges and compares other charging methods more economical, more high-efficient, is the feasible mode that satisfies new energy automobile demand of charging. According to the charging behavior habit of most new energy vehicle owners, the vehicles are generally charged after going out of work and returning to a residential area at night. The charging time is relatively concentrated in the peak period of power consumption at night and is highly overlapped with the high load period of power consumption of a family, so that large impact is generated on the load of a power grid, the fluctuation of the load state of a platform area is large in the peak-valley period during charging, and the stable operation of the power grid is influenced.
Disclosure of Invention
The embodiment of the application provides a charging method, charging equipment and a charging medium for a charging pile, which are used for solving the following technical problems: when charging pile is charged, the fluctuation of the load state of the platform area is large in the peak valley period, and the stable operation of the power grid is influenced.
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 acquiring charging data and charging types; the charging data at least comprises the charging amount and the charging time period of a battery to be charged and the charging power of a charging pile, and the charging types comprise ordered charging and immediate charging; if the charging type is ordered charging, dividing the charging time period according to a plurality of preset power utilization stages so as 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 distribution room; the power utilization stages are divided according to the fluctuation condition of the total power utilization amount of the current region; 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 charging method and the charging device, the corresponding charging strategy can be determined according to user requirements through the charging type, the charging data and the preset power utilization stages, on one hand, the normal charging of a user before can be guaranteed, the requirements of the current charging user can be met to the maximum extent, and meanwhile, the fluctuation influence on a platform area is minimum. Meanwhile, the power utilization stages corresponding to three different peak-valley conditions are preset, and the charging schemes corresponding to the peak-valley conditions corresponding to the charging time periods are determined according to the charging data and the charging strategy, so that the impact of concentrated charging on the load of the power grid can be reduced by the obtained charging scheme, the contact ratio of peak power utilization and charging is reduced, the power consumption in the valley period is increased, and the power grid runs more stably.
In an implementation manner of the present application, if the charging type is sequential charging, the charging time period is divided according to a plurality of preset power utilization stages to determine a charging strategy corresponding to the divided time period, which specifically includes: when the charging type is ordered charging, determining a valley time period, a normal time period and a peak time period which are contained in the charging time period according to a preset peak-valley flat time table, and determining charging strategies corresponding to the time periods in different periods respectively.
According to the charging method and the charging device, different charging strategies are set for the charging process according to the peak-valley average time corresponding to the charging time period, and an economical charging scheme can be calculated on the basis that the charging requirement of a user is met. And the impact of concentrated charging in peak periods on the load of the power grid can be reduced, and the stable operation of the power grid is ensured.
In an 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 period time period, obtaining first charging power according to the charging amount and the duration of the valley period time period; if the first charging power is not larger than the charging power of the charging pile, the charging quantity is averagely distributed to the valley period time period so as to carry out uniform charging in the valley period time period; 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 time period and the charging power of the charging pile, and obtaining a first residual charging amount according to the charging amount and the first charging amount; and finishing the charging of the first charging amount in the valley period time period, and determining a charging scheme corresponding to the first residual charging amount according to a charging strategy corresponding to the normal period time period and the peak period time period.
The method and the device for charging the power grid have the advantages that the valley period time period in the charging time period is determined firstly, whether charging can be completed in the valley period time period is determined according to the charging time and the charging power, and under the condition that charging can be completed, all to-be-charged amounts are uniformly distributed to the valley period time period, so that fluctuation of the power grid is reduced, and the power grid runs stably. And secondly, only under the condition that the charging cannot be completed in the valley period time period, starting the normal period time period and the peak period time period for charging, thereby improving the electricity consumption of the valley period time period to the maximum extent and reducing the charging cost of the user.
In an implementation manner of the present application, determining a charging scheme corresponding to the first remaining charge amount according to a charging strategy corresponding to the normal time period and the peak time 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 larger than the charging power of the charging pile, the first residual charging amount is averagely distributed to the normal time period so as to carry out uniform charging in the normal 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 normal period time period and the charging power of the charging pile, and obtaining a second residual charging amount according to the first residual charging amount and the second charging amount; and finishing the charging of the second charging amount in the normal period time period, and determining a charging scheme corresponding to the second residual charging amount according to a charging strategy corresponding to the peak period time period.
In an implementation manner of the present application, determining a charging scheme corresponding to the second remaining charge amount according to a charging strategy 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 residual charging amount is averagely distributed to the peak period time period so as to carry out uniform charging in the peak period time period; and if the third charging power is greater than the duration of the peak period time period, determining the total charging amount corresponding to the charging time period, and sending the total charging amount to the user so as to remind the user of the chargeable amount.
In an 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 distribution room, specifically including: obtaining the residual charging capacity of the current transformer area according to the maximum power of the charging pile, the charging capacity of the current transformer area and other charging schemes corresponding to the current transformer area; comparing the residual charging capacity of the current transformer 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 transformer area, taking the residual capacity of the current transformer area as a charging power reference value, and otherwise, taking the maximum charging power of the charging pile as the charging power reference value; obtaining the estimated charging time according to the charging power reference value and the charging amount of the battery to be charged; and comparing the estimated charging time with the time of the charging time period, and determining the charging strategy during immediate charging according to the comparison result.
In an implementation manner of the present application, after comparing the estimated charging duration with the charging time, the method further includes: and under the condition that the estimated charging time is not more than the charging time, adjusting a charging scheme corresponding to the platform area so as to perform the charging task of the ordered charging type after the charging task of the immediate charging type is completed.
In an implementation manner of the present application, a charging scheme corresponding to a distribution room is adjusted to perform a charging task of an ordered charging type after a charging task of an immediate charging type is completed, and the method specifically includes: obtaining the total charging time and the total charging electric quantity corresponding to the distribution room according to the charging task of the ordered charging type and the charging task of the immediate charging type; obtaining average charging power according to the total charging time and the total charging electric quantity; determining an average charging power, a first charging power difference value between charging powers corresponding to 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 ordered charging simultaneously based on the first charging power difference; after the charging task of the immediate charging type is completed, the charging power corresponding to the charging task of the ordered charging type is adjusted based on the remaining charging time and the remaining charging amount, so as to complete the charging task of the remaining ordered charging type.
According to the embodiment of the application, under the condition that the charging plan can be completed in the current time period, the current charging plan can be adjusted, so that the charging is immediately performed at first, and then the charging is performed in order. On one hand, the requirement of an immediate charging user can be met, charging can be completed in a short time, and then fluctuation of a power grid can be reduced, so that the power grid can be charged stably.
The embodiment of the application provides a fill electric pile battery charging outfit includes: 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 to cause the at least one processor to: acquiring charging data and a charging type; the charging data at least comprises the charging amount and the charging time period of a battery to be charged and the charging power of a charging pile, and the charging types comprise ordered charging and immediate charging; if the charging type is ordered charging, dividing the charging time period according to a plurality of preset power utilization stages so as 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 distribution room; the power utilization stages are divided according to the fluctuation condition of the total power utilization amount of the current region; 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.
A non-volatile computer storage medium provided in an embodiment of the present application stores computer-executable instructions, and the computer-executable instructions are configured to: acquiring charging data and a charging type; the charging data at least comprises the charging amount and the charging time period of a battery to be charged and the charging power of a charging pile, and the charging types comprise ordered charging and immediate charging; if the charging type is ordered charging, dividing the charging time period according to a plurality of preset power utilization stages so as 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 distribution room; the power utilization stages are divided according to the fluctuation condition of the total power utilization amount of the current region; 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 embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects: according to the charging method and the charging device, the corresponding charging strategy can be determined according to user requirements through the charging type, the charging data and the preset power utilization stages, on one hand, the normal charging of a user before can be guaranteed, the requirements of the current charging user can be met to the maximum extent, and meanwhile, the fluctuation influence on a platform area is minimum. Meanwhile, the power utilization stages corresponding to three different peak-valley conditions are preset, and the charging schemes corresponding to the peak-valley conditions corresponding to the charging time periods are determined according to the charging data and the charging strategy, so that the impact of concentrated charging on the load of the power grid can be reduced by the obtained charging scheme, the contact ratio of peak power utilization and charging is reduced, the power consumption in the valley period is increased, and the power grid runs 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 needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without any creative effort. On the attachment
In the figure:
fig. 1 is a flowchart of a charging method for a charging pile according to an embodiment of the present disclosure;
fig. 2 is a diagram illustrating an example of an immediate charging process provided by an embodiment of the present application;
fig. 3 is a schematic structural diagram of charging equipment for a charging pile according to an embodiment of the present application.
Detailed Description
The embodiment of the application provides a charging method, charging equipment and charging medium for a charging pile.
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any inventive step based on the embodiments of the present disclosure, shall fall within the scope of protection of the present application.
In the community fills electric pile construction, the district charges and compares other charging methods more economical, more high-efficient, is the feasible mode that satisfies new energy automobile demand of charging. According to the charging behavior habit of most new energy vehicle owners, the vehicles are generally charged after going out of work and returning to a residential area at night. The charging time is relatively concentrated in the peak period of power consumption at night and is highly overlapped with the high load period of power consumption of a family, so that large impact is generated on the load of a power grid, the fluctuation of the load state of a platform area is large in the peak-valley period during charging, and the stable operation of the power grid is influenced.
Meanwhile, the cost of part of areas in the peak period of power utilization is higher, the cost of the off-peak period of power utilization is lower, and the influence of the load state of the platform area in the peak and off-peak period of charging on the platform area and the influence of the peak and off-peak electricity price on users are not considered in the prior art, so that a vehicle owner can pay more cost in the peak charging.
In order to solve the above problem, embodiments of the present application provide a charging method, a charging device, and a charging medium for a charging pile. Through the charging type, the charging data and a plurality of preset power utilization stages, a corresponding charging strategy can be determined according to user requirements, on one hand, the normal charging of the previous user can be guaranteed, the requirements of the current charging user can be met to the maximum extent, and meanwhile, the influence on the fluctuation of the platform area is minimum. Meanwhile, the power utilization stages corresponding to three different peak-valley conditions are preset, and the charging schemes corresponding to the peak-valley conditions corresponding to the charging time periods are determined according to the charging data and the charging strategy, so that the impact of concentrated charging on the load of the power grid can be reduced by the obtained charging scheme, the contact ratio of peak power utilization and charging is reduced, the power consumption in the valley period is increased, and the power grid runs more stably.
The technical solutions proposed in the embodiments of the present application are described in detail below with reference to the accompanying drawings.
Fig. 1 is a flowchart of a charging method for a charging pile according to an embodiment of the present disclosure. As shown in fig. 1, the charging method of the charging pile includes the following steps:
s101, charging data and charging types are acquired by charging equipment of the charging pile.
In one embodiment of the application, when charging is carried out on the charging pile, a user selects a charging type according to requirements. The charging pile charging equipment acquires the charging type selected by the user and the uploaded charging data. The charging type includes immediate charging and ordered charging.
Specifically, if the charging type selected by the user is sequential charging, the charging pile charging device may acquire charging data such as the charging amount and the charging time period of the battery to be charged, and the charging power of the charging pile. The charging time period comprises a charging start time and a charging end time. Meanwhile, battery information such as the current capacity of the battery, the maximum capacity of the battery and the like can also be acquired. The charging data and the charging type are uploaded to the charging equipment of the charging pile through the charging pile or the user terminal and other equipment so as to determine the charging scheme corresponding to 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 and the charging power of the charging pile are uploaded to the charging pile charging equipment through the charging pile or the terminal equipment of the user, so that the charging scheme corresponding to the current battery to be charged is determined.
It should be noted that, if the user does not select the charging time period and the charging amount, the current time is defined as the charging start time, and the charging amount is defined as the full charge.
And S102, if the charging type is sequential 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 immediate charging, determining a corresponding charging strategy according to the residual charging capacity of the current distribution area.
In one embodiment of the application, the plurality of power utilization stages are divided according to fluctuation conditions of the total power utilization amount of the current region, and a preset peak-valley level time table is formulated according to the dividing conditions. When the charging type is ordered charging, determining a valley time period, a normal time period and a peak time period which are contained in the charging time period according to a preset peak-valley flat time table, and determining charging strategies corresponding to the time periods in different periods respectively. When the charging type is immediate charging, comparing the residual charging capacity of the current power utilization stage of the distribution room 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 charging time period selected by the user and the preset peak-valley level power utilization stage, the charging strategy corresponding to the current charging task is determined. For example, if the charging type selected by the user is sequential charging, a peak-valley level time period included in the charging time period is determined, and the most economical and minimally fluctuating charging strategy is determined according to the charging data and the current distribution area load condition. And each electricity 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, a corresponding charging strategy is determined according to the charging amount, the charging power of the charging pile and the capacity of the current power utilization stage of the transformer area. Under the condition of ensuring the previous charging plan, the whole charging plan is adjusted, the normal charging of the previous user is ensured, the requirements of the user who immediately charges can be met to the maximum degree, and meanwhile, the influence on the fluctuation of the platform area is minimum.
Further, the remaining charging capacity of the current transformer area is obtained according to the maximum power of the charging pile, the charging capacity of the current transformer area and the charging plan of the current transformer area. And comparing the residual charging capacity of the current transformer area with the charging power of the charging pile, if the maximum charging power of the charging pile is greater than the residual capacity of the current transformer area, taking the residual capacity of the current transformer area as a charging power reference value, and otherwise, taking the maximum charging power of the charging pile as the charging power reference value. And obtaining the estimated charging time according to the charging power reference value and the charging amount of the battery to be charged. And comparing the estimated charging time with the time of the charging time period, and determining the charging strategy during immediate charging according to the comparison result.
Specifically, the charging capacity of the current distribution area in the electricity utilization stage is obtained, and the charging power of the charging pile and other charging schemes acquired by the current distribution area are obtained, so that the remaining charging capacity of the current distribution area is obtained. The transformer area capacity refers to the capacity of the current transformer, and an area under one transformer is called a transformer area. And comparing the residual charging capacity of the current distribution room with the charging power of the charging pile to obtain a charging power reference value. And calculating the ratio of the charging amount of the battery to be charged to the charging power reference value to obtain the estimated charging time. If the estimated charging time is less than the charging time period, the charging task can be completed in the current time period, and at this time, the charging plan in the current charging time period can be adjusted to obtain the 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 can stably run.
S103, the charging equipment of the charging pile 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 an embodiment of the application, when the charging time period includes a valley period time period, obtaining a first charging power according to the charging amount and the duration of the valley period time period; if the first charging power is not larger than the charging power of the charging pile, the charging quantity is averagely distributed to the valley period time period so as to carry out uniform charging in the valley period time period; 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 time period and the charging power of the charging pile, and obtaining a first residual charging amount according to the charging amount and the first charging amount; and finishing the charging of the first charging amount in the valley period time period, and determining a charging scheme corresponding to the first residual charging amount according to a charging strategy corresponding to the normal period time period and the peak 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 level time table. And obtaining different charging strategies according to different electricity utilization stages, and obtaining a corresponding charging scheme according to the charging strategies and the charging data. For example, if the current charging time period includes a valley time period, a first charging power is obtained according to a ratio of the charging amount to the valley time period, the first charging power is compared with the charging power of the charging pile corresponding to the valley time period, and if the first charging power is smaller than the charging power of the charging pile, it indicates that the current charging task can be completed in the valley time period. At this time, the charging amount can be evenly distributed to the valley period time period, so that a charging scheme of the valley period time period is obtained, the charging cost can be reduced to the maximum extent, and the power grid can stably operate in the whole valley period time period.
Further, the charging power is obtained by the ratio of the charging amount to the valley period time period. And 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 transformer area, the current charging task can be completed within the valley period time period.
Further, if the charging power is calculated to be larger than the maximum power of the charging pile or the residual capacity of the transformer area, the current charging task cannot be completed only by the valley period time period. However, in order to reduce the charging cost to the maximum extent, the maximum charging amount that can be charged in the valley period may be calculated based on the duration of the valley period included in the current charging period and the charging power corresponding to the valley period. And calculating the difference between the charge amount and the maximum charge amount corresponding to the valley period time period to obtain a first residual charge amount. At this time, the maximum charge amount completed in the valley period time period is equally distributed to the valley period time period to obtain a first charging scheme, and the charging task of the first remaining charge amount is completed in the normal period time period or the peak period time period.
In an embodiment of the application, when the charging time period includes a flat time period, the second charging power is obtained according to the first remaining charge amount and the duration of the flat time period; if the second charging power is not larger than the charging power of the charging pile, the first residual charging amount is averagely distributed to the normal time period so as to carry out uniform charging in the normal 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 normal period time period and the charging power of the charging pile, and obtaining a second residual charging amount according to the first residual charging amount and the second charging amount; and finishing the charging of the second charging amount in the normal period time period, and determining a charging scheme corresponding to the second residual charging amount according to a charging strategy corresponding to the peak period time period.
Specifically, if the charging power is calculated to be greater than the maximum power of the charging pile or greater than the remaining capacity of the distribution room, at this time, the charging task cannot be completed only by the valley period time period, and therefore, partial charging needs to be performed in the normal period time period included in the charging time period. At this time, a second charging power is obtained according to the obtained ratio of the first residual charging amount to the normal time period, the second charging power is compared with the charging power of the charging pile corresponding to the normal time period, and if the second charging power is smaller than the charging power of the charging pile, the current charging task can be completed within the normal time period. At this time, the charge amount may be equally distributed into the flat-term period, resulting in the second charging scheme of the flat-term period. And obtaining a charging scheme corresponding to the current charging task 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.
Further, the charging power is obtained by the ratio of the charged amount to the normal period time period. And 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 transformer area, the current charging task can be completed within the normal time period.
Further, if the charging power is calculated to be greater than the maximum power of the charging pile or the remaining capacity of the distribution room, the current charging task cannot be completed depending on the valley time period and the ordinary time period. However, in order to reduce the charging cost to the maximum extent, the maximum charging amount that can be charged in the normal time period may be calculated according to the duration of the normal time period included in the current charging time period and the charging power corresponding to the normal time period. And calculating the difference between the first residual charge amount and the calculated maximum charge amount to obtain a second residual charge amount. At this time, the maximum charge amount that the normal period time period can be charged is equally distributed to the normal period time period to complete the corresponding maximum charge amount within the normal period time period and to complete the charging task of the second remaining charge amount at the peak period time period.
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 a duration of the peak period. And if the third charging power is not greater than the charging power of the charging pile, averagely distributing the second residual charging quantity to the peak period time so as to uniformly charge in the peak period time. And if the third charging power is greater than the duration of the peak period time period, determining the total charging amount corresponding to the charging time period, and sending the total charging amount to the user so as to remind the user of the chargeable amount.
Specifically, through calculation, if the charging power is greater than the maximum power of the charging pile or greater than the remaining capacity of the distribution room, at this time, the charging task cannot be completed depending on the valley period time period and the ordinary period time period, and therefore, charging needs to be performed in the peak period time period included in the charging time period. And at the moment, obtaining third charging power according to the obtained ratio of the second residual charging amount to the peak period time, comparing the third charging power with the charging power of the charging pile corresponding to the peak period time, and if the third charging power is smaller than the charging power of the charging pile, indicating that the current charging task can be completed in the peak period time. At this time, the second remaining capacity may be evenly distributed into the peak period, resulting in a third charging scheme for the peak period. And obtaining a charging scheme corresponding to the current charging task according to the first charging scheme corresponding to the valley period time period, the second charging scheme corresponding to the ordinary period time period and the third charging scheme corresponding to the peak period time period.
Further, the charging power is obtained by a ratio of the second remaining charge amount to the peak period time period. And 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 transformer area, the current charging task can be completed in the peak period time period.
Further, if the charging power is calculated to be greater than the maximum power of the charging pile or greater than the remaining capacity of the distribution room, at this time, the current charging task cannot be completed in the valley period time period, the normal period time period and the peak period time period. At this time, the total charging amount that can be completed in the charging time period can be obtained according to the charging amounts that can be completed in the valley time period, the normal time period, and the peak time period, and the total charging amount is sent to the user, so that the user is prompted whether to select charging or extend the charging time period.
In an embodiment of the application, if the user selects to charge immediately and the estimated charging time is less than the charging time period, the charging task can 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 the charging tasks of the ordered charging type are performed after the charging tasks of the immediate charging type are completed.
Specifically, the total charging duration and the total charging electric quantity corresponding to the distribution room are obtained according to the charging task of the ordered charging type and the charging task of the immediate charging type. Obtaining average charging power according to the total charging time and the total charging electric quantity; a first charging power difference between an average charging power and a charging power corresponding to a charging task of an immediate charging type is determined. And performing immediate charging based on the charging power and the charging time length corresponding to the charging task of the immediate charging type, and performing ordered charging simultaneously based on the first charging power difference. After the charging task of the immediate charging type is completed, the charging power corresponding to the charging task of the ordered charging type is adjusted based on the remaining charging time and the remaining charging amount, so as to complete the charging task of the remaining ordered charging type.
For example, the charging period is 23 hours to 5 days, the time length is 6 hours, the ordered charging power is 3kw, the immediate charging power is 4 hours, and the power is 4 kw. If the charging plan is not generated again, the power in the first 4 hours is 7kw, the power in the second 2 hours is 3kw, and the fluctuation of the charging power is large. The total charge amount is 34 kwh. And adjusting the charging scheme, obtaining the average charging power of 5.7kw according to the total charging power and the charging time, immediately charging within the first 4 hours at the power of 4kw, and simultaneously carrying out orderly charging at the power of 1.7 kw. Only orderly charging is carried out within the last 2 hours, and the charging power is 5.7kw at this time. 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 an instant charging method provided in an embodiment of the present application. As shown in fig. 2, the left side is a schematic diagram of the charging power before the charging scheme is regenerated, and the right side is a schematic diagram of the charging power after the charging scheme is regenerated. The abscissa is charging time, the ordinate is charging power, the solid line part is orderly charging power, and the dotted line part is immediate charging power. As can be seen from the charging power diagram before the left regeneration charging scheme, the ordered charging power in the first 4 hours is 3kw, the immediate charging power is 4kw, that is, the charging power corresponding to the first 4 hours is 7kw, and the charging power corresponding to the ordered charging in the last two hours is 3kw, so that at the end of the fourth hour, the charging power is reduced from 7kw to 3kw, the fluctuation value is 4kw, and a large fluctuation is generated. As can be seen from the charging power diagram after the right regeneration charging scheme, the ordered charging power in the first 4 hours is 1.7kw, and the immediate charging power is 4kw, that is, the charging power corresponding to the first 4 hours is 5.7kw, the charging power corresponding to the ordered charging in the last two hours is 5.7kw, and the charging power is still 5.7kw at the end of the fourth hour. Therefore, under the condition that the total charging amount and the charging time are not changed, the regenerated charging scheme performs power balance on the whole charging process, and the power grid runs more stably.
It should be noted that, in the case where the amount of electricity charged in order is larger than the amount of electricity charged immediately, the entire charging process may be adjusted to be balanced. Under the condition that the electric quantity charged in order is smaller than the electric quantity charged immediately, the fluctuation of the charging power can be greatly reduced, and the calculation method is the same as that when the electric quantity charged in order is larger than the electric quantity charged immediately.
Fig. 3 is a schematic structural diagram of charging equipment for a charging pile according to an embodiment of the present application. As shown in fig. 3, the charging post charging apparatus, including,
at least one processor; and the number of the first and second groups,
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores instructions executable by the at least one processor to enable the at least one processor to:
acquiring charging data and a charging type; the charging data at least comprises the charging amount of a battery to be charged, a charging time period and the charging power of a charging pile, and the charging types comprise ordered charging and immediate charging;
if the charging type is ordered charging, dividing the charging time period according to a plurality of preset power utilization stages so as 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 distribution room; the plurality of power utilization stages are divided according to the fluctuation condition of the total power utilization amount of the current region;
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 a charging type; the charging data at least comprises the charging amount of a battery to be charged, a charging time period and the charging power of a charging pile, and the charging types comprise ordered charging and immediate charging;
if the charging type is ordered charging, dividing the charging time period according to a plurality of preset power utilization stages so as 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 distribution room; the plurality of power utilization stages are divided according to the fluctuation condition of the total power utilization amount of the current region;
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 in the present application are described in a progressive manner, and the same and similar parts among the embodiments can be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the embodiments of the apparatus, the device, and the nonvolatile computer storage medium, since they are substantially similar to the embodiments of the method, the description is simple, and for the relevant points, reference may be made to the partial description of the embodiments of the method.
The foregoing description of specific embodiments of the present application has been presented. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims may 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 may also be possible or may be advantageous.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art to which the embodiments of the present application pertain. 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 (10)

1. A charging method of a charging pile is characterized by comprising the following steps:
acquiring charging data and a charging type; the charging data at least comprises the charging amount of a battery to be charged, a charging time period and the charging power of a charging pile, and the charging types comprise ordered charging and immediate charging;
if the charging type is ordered charging, dividing the charging time period according to a plurality of preset power utilization stages so as 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 distribution room; the plurality of power utilization stages are divided according to the fluctuation condition of the total power utilization amount of the current region;
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.
2. The charging method of claim 1, wherein if the charging type is sequential charging, the charging time period is divided according to a plurality of preset power utilization stages to determine a charging strategy corresponding to the divided time period, and specifically the method comprises:
and when the charging type is ordered charging, determining a valley time period, a normal time period and a peak time period which are contained in the charging time period according to a preset peak-valley flat time table, and determining charging strategies corresponding to the time periods in different periods respectively.
3. The charging method of the charging pile according to claim 2, wherein the determining the charging scheme corresponding to the charging time period according to the charging data and the charging policy specifically comprises:
when the charging time period comprises a valley period time period, obtaining first charging power according to the charging amount and the duration of the valley period time period;
if the first charging power is not larger than the charging power of the charging pile, the charging quantity is averagely distributed to the valley period time period so as to carry out uniform charging in the valley period time period;
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 time period and the charging power of the charging pile, and obtaining a first residual charging amount according to the charging amount and the first charging amount; and finishing the charging of the first charging amount in the valley period time period, and determining a charging scheme corresponding to the first residual charging amount according to a charging strategy corresponding to the normal period time period and the peak period time period.
4. The charging method according to claim 3, wherein the determining a charging scheme corresponding to the first remaining charging amount according to the charging strategy corresponding to the normal time period and the peak time period specifically comprises:
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 amount is averagely distributed to the normal time period, so that uniform charging is carried out in the normal 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 normal time 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 normal period time period, and determining a charging scheme corresponding to the second residual charging amount according to a charging strategy corresponding to the peak period time period.
5. The charging method according to claim 4, wherein the determining a charging scheme corresponding to the second remaining charge amount according to the charging strategy corresponding to the peak period time period specifically includes:
when the charging time period comprises a peak time period, obtaining a 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 residual charging amount is averagely distributed to the peak period time period so as to carry out uniform charging in the peak period time period;
if the third charging power is larger than the time length of the peak period time period, determining the total charging amount corresponding to the charging time period, and sending the total charging amount to the user so as to remind the user of the chargeable amount.
6. 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 distribution area specifically comprises:
obtaining the residual charging capacity of the current transformer area in the power utilization stage according to the maximum power of the charging pile, the charging capacity of the current transformer area and other charging schemes obtained by the current transformer area;
comparing the residual charging capacity of the current power utilization stage of the transformer substation 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 power utilization stage of the transformer substation, taking the residual capacity of the current power utilization stage of the transformer substation as a charging power reference value, and if not, taking the maximum charging power of the charging pile as a charging power reference value;
obtaining estimated charging time according to the charging power reference value and the charging amount of the battery to be charged;
and comparing the estimated charging time with the time of the charging time period, and determining a charging strategy during immediate charging according to a comparison result.
7. The charging method of claim 6, wherein after comparing the estimated charging duration with the charging time, the method further comprises:
and under the condition that the estimated charging time is not more than the charging time, adjusting a charging scheme corresponding to the platform area so as to perform the charging task of the ordered charging type after the charging task of the immediate charging type is completed.
8. The charging method of the charging pile according to claim 7, wherein the adjusting of the charging scheme corresponding to the distribution area is performed to perform the charging tasks of the ordered charging type after the charging tasks of the immediate charging type are completed, and specifically includes:
obtaining the total charging time and the total charging electric quantity corresponding to the distribution room according to the charging task of the ordered charging type and the charging task of the immediate charging type;
obtaining average charging power according to the total charging time and the total charging electric quantity;
determining a first charging power difference value between the average charging power and a charging power corresponding to the charging task of the immediate charging type;
performing immediate charging based on the charging power and the charging time length corresponding to the charging task of the immediate charging type, and performing ordered charging simultaneously based on the first charging power difference;
and after the charging task of the immediate charging type is completed, adjusting the charging power corresponding to the charging task of the ordered charging type based on the remaining charging time and the remaining charging amount so as to complete the charging task of the remaining ordered charging type.
9. A charging pile charging apparatus comprising:
at least one processor; and the number of the first and second groups,
a memory communicatively coupled to the at least one processor; wherein the content of the first and second substances,
the memory stores instructions executable by the at least one processor to enable the at least one processor to:
acquiring charging data and a charging type; the charging data at least comprises the charging amount of a battery to be charged, a charging time period and the charging power of a charging pile, and the charging types comprise ordered charging and immediate charging;
if the charging type is ordered charging, dividing the charging time period according to a plurality of preset power utilization stages so as 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 distribution room; the plurality of power utilization stages are divided according to the fluctuation condition of the total power utilization amount of the current region;
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.
10. A non-transitory computer storage medium storing computer-executable instructions configured to:
acquiring charging data and a charging type; the charging data at least comprises the charging amount of a battery to be charged, a charging time period and the charging power of a charging pile, and the charging types comprise ordered charging and immediate charging;
if the charging type is ordered charging, dividing the charging time period according to a plurality of preset power utilization stages so as 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 distribution room; the plurality of power utilization stages are divided according to the fluctuation condition of the total power utilization amount of the current region;
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.
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