CN112706645A - Charging and discharging management method and system for energy-saving energy storage charging pile - Google Patents

Charging and discharging management method and system for energy-saving energy storage charging pile Download PDF

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CN112706645A
CN112706645A CN202011540484.0A CN202011540484A CN112706645A CN 112706645 A CN112706645 A CN 112706645A CN 202011540484 A CN202011540484 A CN 202011540484A CN 112706645 A CN112706645 A CN 112706645A
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charging
time period
charging pile
battery
energy
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CN112706645B (en
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陈基冰
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Shanglian Intelligent Technology Shanghai Co ltd
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Shanglian Intelligent Technology Shanghai 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
    • B60L53/64—Optimising energy costs, e.g. responding to electricity rates
    • 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
    • B60L53/30—Constructional details of charging stations
    • B60L53/31—Charging columns specially adapted for electric vehicles
    • 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
    • B60L53/50—Charging stations characterised by energy-storage or power-generation means
    • B60L53/53—Batteries
    • 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
    • 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)

Abstract

The invention provides a charging and discharging management method and system for an energy-saving energy-storage charging pile. The method comprises the following steps: acquiring power utilization information corresponding to the current time period, wherein the power utilization information comprises any one or more of a commercial power electricity fee charging standard, power utilization power in a preset area and the number of power utilization electric appliances in the preset area; the preset area is a power supply area where a power grid used when a battery of the charging pile is charged is located; and performing charging control and/or discharging control on a battery in the charging pile according to the electricity utilization information corresponding to the current time period.

Description

Charging and discharging management method and system for energy-saving energy storage charging pile
Technical Field
The invention relates to the technical field of charging piles, in particular to a charging and discharging management method and system of an energy-saving energy-storage charging pile.
Background
The existing charging pile is usually connected with commercial power, and the commercial power is used for charging the electric automobile. Under the condition, an operator of the charging pile only needs to charge the electric automobile by using the charging pile when the electric automobile is charged. However, the dependence of the charging pile on the commercial power is high, and when the commercial power is cut off, the charging pile cannot play a charging function.
Disclosure of Invention
The embodiment of the invention provides a charging and discharging management method and system for an energy-saving energy-storage charging pile.
The embodiment of the invention provides a charging and discharging management method of an energy-saving energy-storage charging pile, which comprises the following steps:
acquiring power utilization information corresponding to the current time period, wherein the power utilization information comprises any one or more of a commercial power electricity fee charging standard, power utilization power in a preset area and the number of power utilization electric appliances in the preset area; the preset area is a power supply area where a power grid used when a battery of the charging pile is charged is located;
and performing charging control and/or discharging control on a battery in the charging pile according to the electricity utilization information corresponding to the current time period.
In one embodiment, when the electricity information includes a commercial electricity fee charging standard, the controlling charging and/or discharging of a battery in a charging pile according to the electricity information corresponding to the current time period includes:
according to the commercial power electricity charge standard, judging a first time interval and a second time interval, wherein the commercial power electricity charge standard in the first time interval is lower than the commercial power electricity charge standard in the second time interval;
controlling the charging pile to charge the battery at a first time period;
and controlling the charging pile to discharge the battery at the second time interval.
In one embodiment, when the electricity consumption information includes electricity consumption power in a preset area, the controlling charging and/or discharging a battery in a charging pile according to the electricity consumption information corresponding to the current time period includes:
judging a third time period and a fourth time period according to the electric power in the preset area, wherein the electric power in the preset area in the third time period is lower than the electric power in the preset area in the fourth time period;
controlling the charging pile to charge the battery in a third time period;
and controlling the charging pile to discharge the battery at a fourth time period.
In one embodiment, when the electricity consumption information includes the number of electricity consumers in a preset area, the controlling charging and/or discharging a battery in a charging pile according to the electricity consumption information corresponding to the current time period includes:
judging a fifth time period and a sixth time period according to the number of the electric appliances in the preset area, wherein the number of the electric appliances in the preset area in the fifth time period is less than that of the electric appliances in the preset area in the sixth time period;
controlling the charging pile to charge the battery in a fifth time period;
and controlling the charging pile to discharge the battery in a sixth time period.
In one embodiment, the performing charging control and/or discharging control on a battery in a charging pile according to the electricity utilization information corresponding to the current time period includes:
step S1, determining the charge-discharge cost performance of the energy-saving energy storage charging pile at each time interval in one day according to the following formula (1):
Figure BDA0002854423440000021
wherein, VtThe charging and discharging cost performance of the energy-saving energy storage charging pile is set at the tth time in one day; t represents the tth time period of the day and is [1, 24 ]](ii) a i represents day i and takes the value of [1, U]U is a preset value; b0B is the electric quantity of the battery of the energy-saving energy storage charging pile when the battery is fully chargeditThe residual electric quantity f of the energy-saving energy storage charging pile is the initial moment of the t time period on the ith dayitFor the discharge power of the energy-saving energy-storage charging pile for charging the external electric equipment in the t time period of the ith day, citCharging power, m, for charging the battery of the energy-saving energy-storage charging pile in the t-th time period of the ith daytCharging electricity charge standard p for charging external electric equipment by using the energy-saving energy storage charging pile in the tth time period of each daytThe charging standard is the commercial power charge standard when the battery of the energy-saving energy-storage charging pile is charged at the tth time period every day;
step S2, calculating the power consumption degree value of the power supply area of the power grid used for charging the battery of the energy-saving energy storage charging pile in each time interval in one day according to the following formula (2):
Figure BDA0002854423440000031
wherein R istIs the value of the electrical consumption level in the power supply region at the t-th time period of each day; pitThe total power consumption of all the electric appliances in the power supply area in the t time period of the ith day; n is a radical ofit-maxThe number of the electric appliances with the power consumption equal to or greater than the preset power in the t time period on the ith day is determined; n is a radical ofmaxThe maximum value of the number of the electric appliances in the power supply region is the maximum value of the number of the electric appliances in the number of the electric appliances corresponding to each of U times 24 time periods in the U day; pmaxThe total power consumption in a first target time interval in the power supply area is calculated; the first target time interval is the time interval corresponding to the maximum total power consumption in the U × 24 time intervals;
step S3, determining appropriate charging indexes for charging the battery of the energy-saving and energy-storage charging pile at each time interval in one day according to the following formula (3):
Yt＝α1Vt+α2Rt (3)
wherein, YtThe charging suitable index is used for charging the battery of the energy-saving energy-storage charging pile at the tth time interval of each day; alpha is alpha1、α2To preset a weight coefficient, alpha1+α21 and α1、α2Are all positive numbers equal to or greater than 0;
step S4, in 24 time intervals each day, determining a second target time interval corresponding to a target charging suitability index with the charging suitability index equal to or smaller than a preset threshold value;
determining each second target time interval as a charging time interval for charging the battery of the energy-saving energy-storage charging pile, and determining other time intervals except the charging time interval in 24 time intervals of a day as discharging time intervals for charging external electric equipment by using the energy-saving energy-storage charging pile;
step S5, controlling the energy-saving energy storage charging pile to charge the battery of the energy-saving energy storage charging pile in the charging time period; and controlling the energy-saving energy storage charging pile to charge external electric equipment in the discharging time period.
The utility model provides a charge-discharge management system of energy-conserving energy storage stake of charging, includes:
the system comprises an acquisition module, a storage module and a processing module, wherein the acquisition module is used for acquiring power utilization information corresponding to the current time period, and the power utilization information comprises any one or more of an electric charge charging standard, power utilization power in a preset area and the number of power utilization electric appliances in the preset area; the preset area is a power supply area where a power grid used when a battery of the charging pile is charged is located;
and the control module is used for performing charging control and/or discharging control on the battery in the charging pile according to the electricity utilization information corresponding to the current time period.
In one embodiment, when the electricity information includes a commercial electricity fee charging standard, the controlling charging and/or discharging of a battery in a charging pile according to the electricity information corresponding to the current time period includes:
according to the commercial power electricity charge standard, judging a first time interval and a second time interval, wherein the commercial power electricity charge standard in the first time interval is lower than the commercial power electricity charge standard in the second time interval;
controlling the charging pile to charge the battery at a first time period;
and controlling the charging pile to discharge the battery at the second time interval.
In one embodiment, when the electricity consumption information includes electricity consumption power in a preset area, the controlling charging and/or discharging a battery in a charging pile according to the electricity consumption information corresponding to the current time period includes:
judging a third time period and a fourth time period according to the electric power in the preset area, wherein the electric power in the preset area in the third time period is lower than the electric power in the preset area in the fourth time period;
controlling the charging pile to charge the battery in a third time period;
and controlling the charging pile to discharge the battery at a fourth time period.
In one embodiment, when the electricity consumption information includes the number of electricity consumers in a preset area, the controlling charging and/or discharging a battery in a charging pile according to the electricity consumption information corresponding to the current time period includes:
judging a fifth time period and a sixth time period according to the number of the electric appliances in the preset area, wherein the number of the electric appliances in the preset area in the fifth time period is less than that of the electric appliances in the preset area in the sixth time period;
controlling the charging pile to charge the battery in a fifth time period;
and controlling the charging pile to discharge the battery in a sixth time period.
In one embodiment, the performing charging control and/or discharging control on a battery in a charging pile according to the electricity utilization information corresponding to the current time period includes:
step S1, determining the charge-discharge cost performance of the energy-saving energy storage charging pile at each time interval in one day according to the following formula (1):
Figure BDA0002854423440000051
wherein, VtThe charging and discharging cost performance of the energy-saving energy storage charging pile is set at the tth time in one day; t represents the tth time period of the day and is [1, 24 ]](ii) a i represents day i and takes the value of [1, U]U is a preset value; b0B is the electric quantity of the battery of the energy-saving energy storage charging pile when the battery is fully chargeditThe residual electric quantity f of the energy-saving energy storage charging pile is the initial moment of the t time period on the ith dayitFor the discharge power of the energy-saving energy-storage charging pile for charging the external electric equipment in the t time period of the ith day, citCharging power, m, for charging the battery of the energy-saving energy-storage charging pile in the t-th time period of the ith daytCharging electricity charge standard p for charging external electric equipment by using the energy-saving energy storage charging pile in the tth time period of each daytThe charging standard is the commercial power charge standard when the battery of the energy-saving energy-storage charging pile is charged at the tth time period every day;
step S2, calculating the power consumption degree value of the power supply area of the power grid used for charging the battery of the energy-saving energy storage charging pile in each time interval in one day according to the following formula (2):
Figure BDA0002854423440000061
wherein R istIs the value of the electrical consumption level in the power supply region at the t-th time period of each day; pitThe total power consumption of all the electric appliances in the power supply area in the t time period of the ith day; n is a radical ofit-maxThe number of the electric appliances with the power consumption equal to or greater than the preset power in the t time period on the ith day is determined; n is a radical ofmaxThe maximum value of the number of the electric appliances in the power supply region is the maximum value of the number of the electric appliances in the number of the electric appliances corresponding to each of U times 24 time periods in the U day; pmaxThe total power consumption in a first target time interval in the power supply area is calculated; the first target time interval is the time interval corresponding to the maximum total power consumption in the U × 24 time intervals;
step S3, determining appropriate charging indexes for charging the battery of the energy-saving and energy-storage charging pile at each time interval in one day according to the following formula (3):
Yt＝α1Vt+α2Rt(3)
wherein, YtThe charging suitable index is used for charging the battery of the energy-saving energy-storage charging pile at the tth time interval of each day; alpha is alpha1、α2To preset a weight coefficient, alpha1+α21 and α1、α2Are all positive numbers equal to or greater than 0;
step S4, in 24 time intervals each day, determining a second target time interval corresponding to a target charging suitability index with the charging suitability index equal to or smaller than a preset threshold value;
determining each second target time interval as a charging time interval for charging the battery of the energy-saving energy-storage charging pile, and determining other time intervals except the charging time interval in 24 time intervals of a day as discharging time intervals for charging external electric equipment by using the energy-saving energy-storage charging pile;
step S5, controlling the energy-saving energy storage charging pile to charge the battery of the energy-saving energy storage charging pile in the charging time period; and controlling the energy-saving energy storage charging pile to charge external electric equipment in the discharging time period.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a flowchart of a charging and discharging management method of an energy-saving energy-storage charging pile according to an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The embodiment of the invention provides a charging and discharging management method of an energy-saving energy-storage charging pile, which comprises the following steps of S1-S2:
step S1, acquiring power utilization information corresponding to the current time period, wherein the power utilization information comprises any one or more of a commercial power electricity fee charging standard, power utilization power in a preset area and the number of power utilization electric appliances in the preset area; the preset area is a power supply area where a power grid used when a battery of the charging pile is charged is located;
and step S2, performing charging control and/or discharging control on the battery in the charging pile according to the electricity utilization information corresponding to the current time period.
The beneficial effects of the above technical scheme are: the replaceable battery is arranged in the charging pile, and the electric automobile is charged by using the electric quantity of the battery, so that the dependence on commercial power is reduced, and the charging pile can normally charge the electric automobile even if the commercial power is cut off when the charging demand is met; in addition, according to the electricity utilization information corresponding to the current time period, charging control (indicating that the charging of the charging pile battery is controlled) and/or discharging control (indicating that the charging pile is controlled to charge external electric equipment such as an electric automobile) can be performed on the battery in the charging pile, intelligent control adjustment can be conveniently performed on the working process of the charging pile, and the charging pile can be conveniently managed.
In one embodiment, when the electricity information includes a commercial electricity fee charging standard, the controlling charging and/or discharging of a battery in a charging pile according to the electricity information corresponding to the current time period includes:
according to the commercial power electricity charge standard, judging a first time interval and a second time interval, wherein the commercial power electricity charge standard in the first time interval is lower than the commercial power electricity charge standard in the second time interval;
controlling the charging pile to charge the battery at a first time period;
and controlling the charging pile to discharge the battery at the second time interval, namely starting the function of charging the external electric equipment such as an electric automobile by the charging pile.
The beneficial effects of the above technical scheme are: the control that can be intelligent fills the charge-discharge process of electric pile, when the period that commercial power charges the standard low, for filling the battery charging of electric pile, allow to fill electric pile and charge for outside consumer in other periods, reach the purpose of sparingly filling the electric pile self power consumption expense spending.
In one embodiment, when the electricity consumption information includes electricity consumption power in a preset area, the controlling charging and/or discharging a battery in a charging pile according to the electricity consumption information corresponding to the current time period includes:
according to the power consumption in the preset area (the total power consumption of all the electric appliances connected with the power grid in the area), judging a third time period and a fourth time period, wherein the power consumption in the preset area in the third time period is lower than the power consumption in the preset area in the fourth time period;
controlling the charging pile to charge the battery in a third time period;
and controlling the charging pile to discharge the battery at a fourth time period.
The beneficial effects of the above technical scheme are: the control that can be intelligent fills the charge-discharge process of electric pile, fills the lower period of electric power consumption of the regional totality of electric pile place power supply, for filling the battery charging of electric pile, allows to fill electric pile and charge for outside consumer in other periods, can reduce the bearing pressure of the regional electric wire netting of power supply.
In one embodiment, when the electricity consumption information includes the number of electricity consumers in a preset area, the controlling charging and/or discharging a battery in a charging pile according to the electricity consumption information corresponding to the current time period includes:
judging a fifth time period and a sixth time period according to the number of the electric appliances in the preset area, wherein the number of the electric appliances in the preset area in the fifth time period is less than that of the electric appliances in the preset area in the sixth time period;
controlling the charging pile to charge the battery in a fifth time period;
and controlling the charging pile to discharge the battery in a sixth time period.
The beneficial effects of the above technical scheme are: the control that can be intelligent fills the charge-discharge process of electric pile, and the less period of time of electric apparatus quantity in the regional power supply that fills electric pile place charges for filling the battery of electric pile, and the electric pile is charged for outside consumer in other periods allowwing to fill, can reduce the bearing pressure of the regional electric wire netting of power supply.
In one embodiment, the performing charging control and/or discharging control on a battery in a charging pile according to the electricity utilization information corresponding to the current time period includes:
step S1, determining the charge-discharge cost performance of the energy-saving energy storage charging pile at each time interval in one day according to the following formula (1):
Figure BDA0002854423440000091
wherein, VtThe charging and discharging cost performance of the energy-saving energy storage charging pile is set at the tth time in one day; t represents the tth time period of the day and is [1, 24 ]](ii) a i represents day i and takes the value of [1, U]U is a preset value; b0B is the electric quantity of the battery of the energy-saving energy storage charging pile when the battery is fully chargeditThe residual electric quantity f of the energy-saving energy storage charging pile is the initial moment of the t time period on the ith dayitFor the discharge power of the energy-saving energy-storage charging pile for charging the external electric equipment in the t time period of the ith day, citCharging power, m, for charging the battery of the energy-saving energy-storage charging pile in the t-th time period of the ith daytCharging electricity charge standard p for charging external electric equipment by using the energy-saving energy storage charging pile in the tth time period of each daytThe charging standard is the commercial power charge standard when the battery of the energy-saving energy-storage charging pile is charged at the tth time period every day;
step S2, calculating the power consumption degree value of the power supply area of the power grid used for charging the battery of the energy-saving energy storage charging pile in each time interval in one day according to the following formula (2):
Figure BDA0002854423440000101
wherein R istIs the value of the electrical consumption level in the power supply region at the t-th time period of each day; pitThe total power consumption of all the electric appliances in the power supply area in the t time period of the ith day; n is a radical ofit-maxThe number of the electric appliances with the power consumption equal to or greater than the preset power in the t time period on the ith day is determined; n is a radical ofmaxThe maximum value of the number of the electric appliances in the power supply area is the electric appliances corresponding to the U times 24 time periods in the U daysThe maximum value of the number of the electrical appliances in the number; pmaxThe total power consumption in a first target time interval in the power supply area is calculated; the first target time interval is the time interval corresponding to the maximum total power consumption in the U × 24 time intervals;
step S3, determining appropriate charging indexes for charging the battery of the energy-saving and energy-storage charging pile at each time interval in one day according to the following formula (3):
Yt＝α1Vt+α2Rt (3)
wherein, YtThe charging suitable index is used for charging the battery of the energy-saving energy-storage charging pile at the tth time interval of each day; alpha is alpha1、α2To preset a weight coefficient, alpha1+α21 and α1、α2Are all positive numbers equal to or greater than 0;
step S4, in 24 time intervals each day, determining a second target time interval corresponding to a target charging suitability index with the charging suitability index equal to or smaller than a preset threshold value;
determining each second target time interval as a charging time interval for charging the battery of the energy-saving energy-storage charging pile, and determining other time intervals except the charging time interval in 24 time intervals of a day as discharging time intervals for charging external electric equipment by using the energy-saving energy-storage charging pile;
step S5, controlling the energy-saving energy storage charging pile to charge the battery of the energy-saving energy storage charging pile in the charging time period; and controlling the energy-saving energy storage charging pile to charge external electric equipment in the discharging time period.
The beneficial effects of the above technical scheme are: the technical scheme supports technical analysis on the electricity charge standard, the electricity consumption power in the preset area and each parameter of the number of the electricity consumption appliances in the preset area, comprehensively evaluates the charge-discharge cost performance, and intelligently sets the charge-discharge operation in the states of low charge cost, low power grid load power and proper number of the electricity consumption appliances to execute the maximum benefit on the charge pile, thereby properly saving the cost of the charge pile per se in the aspect of cost expenditure, properly reducing the load of the electricity grid during the electricity consumption peak period in cities, and improving the market operation quality of the energy-saving energy storage charge pile.
Corresponding to the charging and discharging management method of the energy-saving energy storage charging pile provided by the embodiment of the invention, the embodiment of the invention also provides a charging and discharging management system of the energy-saving energy storage charging pile, which comprises the following steps:
the system comprises an acquisition module, a storage module and a processing module, wherein the acquisition module is used for acquiring power utilization information corresponding to the current time period, and the power utilization information comprises any one or more of an electric charge charging standard, power utilization power in a preset area and the number of power utilization electric appliances in the preset area; the preset area is a power supply area where a power grid used when a battery of the charging pile is charged is located;
and the control module is used for performing charging control and/or discharging control on the battery in the charging pile according to the electricity utilization information corresponding to the current time period.
In one embodiment, when the electricity information includes a commercial electricity fee charging standard, the controlling charging and/or discharging of a battery in a charging pile according to the electricity information corresponding to the current time period includes:
according to the commercial power electricity charge standard, judging a first time interval and a second time interval, wherein the commercial power electricity charge standard in the first time interval is lower than the commercial power electricity charge standard in the second time interval;
controlling the charging pile to charge the battery at a first time period;
and controlling the charging pile to discharge the battery at the second time interval.
In one embodiment, when the electricity consumption information includes electricity consumption power in a preset area, the controlling charging and/or discharging a battery in a charging pile according to the electricity consumption information corresponding to the current time period includes:
judging a third time period and a fourth time period according to the electric power in the preset area, wherein the electric power in the preset area in the third time period is lower than the electric power in the preset area in the fourth time period;
controlling the charging pile to charge the battery in a third time period;
and controlling the charging pile to discharge the battery at a fourth time period.
In one embodiment, when the electricity consumption information includes the number of electricity consumers in a preset area, the controlling charging and/or discharging a battery in a charging pile according to the electricity consumption information corresponding to the current time period includes:
judging a fifth time period and a sixth time period according to the number of the electric appliances in the preset area, wherein the number of the electric appliances in the preset area in the fifth time period is less than that of the electric appliances in the preset area in the sixth time period;
controlling the charging pile to charge the battery in a fifth time period;
and controlling the charging pile to discharge the battery in a sixth time period.
In one embodiment, the performing charging control and/or discharging control on a battery in a charging pile according to the electricity utilization information corresponding to the current time period includes:
step S1, determining the charge-discharge cost performance of the energy-saving energy storage charging pile at each time interval in one day according to the following formula (1):
Figure BDA0002854423440000121
wherein, VtThe charging and discharging cost performance of the energy-saving energy storage charging pile is set at the tth time in one day; t represents the tth time period of the day and is [1, 24 ]](ii) a i represents day i and takes the value of [1, U]U is a preset value; b0B is the electric quantity of the battery of the energy-saving energy storage charging pile when the battery is fully chargeditThe residual electric quantity f of the energy-saving energy storage charging pile is the initial moment of the t time period on the ith dayitFor the discharge power of the energy-saving energy-storage charging pile for charging the external electric equipment in the t time period of the ith day, citCharging power, m, for charging the battery of the energy-saving energy-storage charging pile in the t-th time period of the ith daytCharging electric charge when charging external electric equipment by using the energy-saving energy storage charging pile at the tth time period of each dayFee standard, ptThe charging standard is the commercial power charge standard when the battery of the energy-saving energy-storage charging pile is charged at the tth time period every day;
step S2, calculating the power consumption degree value of the power supply area of the power grid used for charging the battery of the energy-saving energy storage charging pile in each time interval in one day according to the following formula (2):
Figure BDA0002854423440000131
wherein R istIs the value of the electrical consumption level in the power supply region at the t-th time period of each day; pitThe total power consumption of all the electric appliances in the power supply area in the t time period of the ith day; n is a radical ofit-maxThe number of the electric appliances with the power consumption equal to or greater than the preset power in the t time period on the ith day is determined; n is a radical ofmaxThe maximum value of the number of the electric appliances in the power supply region is the maximum value of the number of the electric appliances in the number of the electric appliances corresponding to each of U times 24 time periods in the U day; pmaxThe total power consumption in a first target time interval in the power supply area is calculated; the first target time interval is the time interval corresponding to the maximum total power consumption in the U × 24 time intervals;
step S3, determining appropriate charging indexes for charging the battery of the energy-saving and energy-storage charging pile at each time interval in one day according to the following formula (3):
Yt＝α1Vt+α2Rt (3)
wherein, YtThe charging suitable index is used for charging the battery of the energy-saving energy-storage charging pile at the tth time interval of each day; alpha is alpha1、α2To preset a weight coefficient, alpha1+α21 and α1、α2Are all positive numbers equal to or greater than 0;
step S4, in 24 time intervals each day, determining a second target time interval corresponding to a target charging suitability index with the charging suitability index equal to or smaller than a preset threshold value;
determining each second target time interval as a charging time interval for charging the battery of the energy-saving energy-storage charging pile, and determining other time intervals except the charging time interval in 24 time intervals of a day as discharging time intervals for charging external electric equipment by using the energy-saving energy-storage charging pile;
step S5, controlling the energy-saving energy storage charging pile to charge the battery of the energy-saving energy storage charging pile in the charging time period; and controlling the energy-saving energy storage charging pile to charge external electric equipment in the discharging time period.
In an embodiment, the charging pile capable of quickly changing an energy storage power supply in an embodiment of the present invention may include: a charging pile body, a baffle plate and a sealing door,
one side of the charging pile body is provided with an opening, and the opening is hinged with a sealing door;
the charging pile body is internally provided with a baffle plate, and the baffle plate is used for partitioning the inside of the charging pile body into a plurality of battery bins;
one side of the charging pile body, which is far away from the opening, is arranged as the front side of the charging pile, the front side of the charging pile is provided with a charging gun,
each be used for placing the battery in the battery compartment, the battery is used for giving the rifle power supply that charges.
Above-mentioned but fill electric pile's of quick change energy storage power theory of operation and beneficial effect as follows:
the baffle is arranged in the charging pile body, and the interior of the charging pile body is divided into a plurality of battery bins by utilizing the baffle, so that the purpose of respectively placing batteries in the plurality of battery bins is realized, the purpose of respectively connecting a plurality of charging guns with the plurality of batteries in a one-to-one correspondence manner is realized, and the purpose of simultaneously charging a plurality of electric vehicles is further realized;
furthermore, the battery compartment is sealed by using the sealing door, so that when the battery in the battery compartment is exhausted, the aim of quickly replacing the battery can be fulfilled by opening the sealing door;
and the purpose that the battery can be safely stored in the battery compartment is realized by utilizing the closed door, and the condition that the battery is lost and stolen is reduced.
Through this internal battery that sets up of electric pile, utilize the battery to get the electricity, the electric automobile that further realizes charging needs, realizes under the circumstances of commercial power outage, the purpose that still can realize charging is filled electric pile. The situation that the charging pile cannot be normally charged due to the fact that the commercial power is adopted for supplying power after the commercial power is cut off is reduced.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. A charging and discharging management method of an energy-saving energy storage charging pile is characterized by comprising the following steps:
acquiring power utilization information corresponding to the current time period, wherein the power utilization information comprises any one or more of a commercial power electricity fee charging standard, power utilization power in a preset area and the number of power utilization electric appliances in the preset area; the preset area is a power supply area where a power grid used when a battery of the charging pile is charged is located;
and performing charging control and/or discharging control on a battery in the charging pile according to the electricity utilization information corresponding to the current time period.
2. The method of claim 1,
when the electricity utilization information includes the charging standard of the electric power fee, controlling the charging and/or discharging of the battery in the charging pile according to the electricity utilization information corresponding to the current time period, including:
according to the commercial power electricity charge standard, judging a first time interval and a second time interval, wherein the commercial power electricity charge standard in the first time interval is lower than the commercial power electricity charge standard in the second time interval;
controlling the charging pile to charge the battery at a first time period;
and controlling the charging pile to discharge the battery at the second time interval.
3. The method of claim 1,
when the power consumption information includes power consumption power in a preset area, controlling charging and/or discharging of a battery in a charging pile according to the power consumption information corresponding to the current time period, including:
judging a third time period and a fourth time period according to the electric power in the preset area, wherein the electric power in the preset area in the third time period is lower than the electric power in the preset area in the fourth time period;
controlling the charging pile to charge the battery in a third time period;
and controlling the charging pile to discharge the battery at a fourth time period.
4. The method of claim 1,
when the power consumption information includes the power consumption electric appliance quantity in the preset area, according to the power consumption information corresponding to the current time interval, the charging and/or discharging of the battery in the charging pile is controlled, and the method comprises the following steps:
judging a fifth time period and a sixth time period according to the number of the electric appliances in the preset area, wherein the number of the electric appliances in the preset area in the fifth time period is less than that of the electric appliances in the preset area in the sixth time period;
controlling the charging pile to charge the battery in a fifth time period;
and controlling the charging pile to discharge the battery in a sixth time period.
5. The method of claim 1, wherein the method comprises
According to the power consumption information that current period corresponds, carry out charge control and/or discharge control to filling electric pile in the battery, include:
step S1, determining the charge-discharge cost performance of the energy-saving energy storage charging pile at each time interval in one day according to the following formula (1):
Figure FDA0002854423430000021
wherein, VtThe charging and discharging cost performance of the energy-saving energy storage charging pile is set at the tth time in one day; t represents the tth time period of the day and is [1, 24 ]](ii) a i represents day i and takes the value of [1, U]U is a preset value; b0B is the electric quantity of the battery of the energy-saving energy storage charging pile when the battery is fully chargeditThe residual electric quantity f of the energy-saving energy storage charging pile is the initial moment of the t time period on the ith dayitFor the discharge power of the energy-saving energy-storage charging pile for charging the external electric equipment in the t time period of the ith day, citCharging power, m, for charging the battery of the energy-saving energy-storage charging pile in the t-th time period of the ith daytCharging electricity charge standard p for charging external electric equipment by using the energy-saving energy storage charging pile in the tth time period of each daytThe charging standard is the commercial power charge standard when the battery of the energy-saving energy-storage charging pile is charged at the tth time period every day;
step S2, calculating the power consumption degree value of the power supply area of the power grid used for charging the battery of the energy-saving energy storage charging pile in each time interval in one day according to the following formula (2):
Figure FDA0002854423430000031
wherein R istIs the value of the electrical consumption level in the power supply region at the t-th time period of each day; pitThe total power consumption of all the electric appliances in the power supply area in the t time period of the ith day; n is a radical ofit-maxThe number of the electric appliances with the power consumption equal to or greater than the preset power in the t time period on the ith day is determined; n is a radical ofmaxThe maximum value of the number of the electric appliances in the power supply area is the electric appliances corresponding to the U times 24 time periods in the U daysMaximum value of the number of electrical consumers; pmaxThe total power consumption in a first target time interval in the power supply area is calculated; the first target time interval is the time interval corresponding to the maximum total power consumption in the U × 24 time intervals;
step S3, determining appropriate charging indexes for charging the battery of the energy-saving and energy-storage charging pile at each time interval in one day according to the following formula (3):
Yt＝α1Vt+α2Rt (3)
wherein, YtThe charging suitable index is used for charging the battery of the energy-saving energy-storage charging pile at the tth time interval of each day; alpha is alpha1、α2To preset a weight coefficient, alpha1+α21 and α1、α2Are all positive numbers equal to or greater than 0;
step S4, in 24 time intervals each day, determining a second target time interval corresponding to a target charging suitability index with the charging suitability index equal to or smaller than a preset threshold value;
determining each second target time interval as a charging time interval for charging the battery of the energy-saving energy-storage charging pile, and determining other time intervals except the charging time interval in 24 time intervals of a day as discharging time intervals for charging external electric equipment by using the energy-saving energy-storage charging pile;
step S5, controlling the energy-saving energy storage charging pile to charge the battery of the energy-saving energy storage charging pile in the charging time period; and controlling the energy-saving energy storage charging pile to charge external electric equipment in the discharging time period.
6. The utility model provides a charge-discharge management system of energy-conserving energy storage stake, its characterized in that includes:
the system comprises an acquisition module, a storage module and a processing module, wherein the acquisition module is used for acquiring power utilization information corresponding to the current time period, and the power utilization information comprises any one or more of an electric charge charging standard, power utilization power in a preset area and the number of power utilization electric appliances in the preset area; the preset area is a power supply area where a power grid used when a battery of the charging pile is charged is located;
and the control module is used for performing charging control and/or discharging control on the battery in the charging pile according to the electricity utilization information corresponding to the current time period.
7. The system of claim 6,
when the electricity utilization information includes the charging standard of the electric power fee, controlling the charging and/or discharging of the battery in the charging pile according to the electricity utilization information corresponding to the current time period, including:
according to the commercial power electricity charge standard, judging a first time interval and a second time interval, wherein the commercial power electricity charge standard in the first time interval is lower than the commercial power electricity charge standard in the second time interval;
controlling the charging pile to charge the battery at a first time period;
and controlling the charging pile to discharge the battery at the second time interval.
8. The system of claim 6,
when the power consumption information includes power consumption power in a preset area, controlling charging and/or discharging of a battery in a charging pile according to the power consumption information corresponding to the current time period, including:
judging a third time period and a fourth time period according to the electric power in the preset area, wherein the electric power in the preset area in the third time period is lower than the electric power in the preset area in the fourth time period;
controlling the charging pile to charge the battery in a third time period;
and controlling the charging pile to discharge the battery at a fourth time period.
9. The system of claim 6,
when the power consumption information includes the power consumption electric appliance quantity in the preset area, according to the power consumption information corresponding to the current time interval, the charging and/or discharging of the battery in the charging pile is controlled, and the method comprises the following steps:
judging a fifth time period and a sixth time period according to the number of the electric appliances in the preset area, wherein the number of the electric appliances in the preset area in the fifth time period is less than that of the electric appliances in the preset area in the sixth time period;
controlling the charging pile to charge the battery in a fifth time period;
and controlling the charging pile to discharge the battery in a sixth time period.
10. The system of claim 6,
according to the power consumption information that current period corresponds, carry out charge control and/or discharge control to filling electric pile in the battery, include:
step S1, determining the charge-discharge cost performance of the energy-saving energy storage charging pile at each time interval in one day according to the following formula (1):
Figure FDA0002854423430000051
wherein, VtThe charging and discharging cost performance of the energy-saving energy storage charging pile is set at the tth time in one day; t represents the tth time period of the day and is [1, 24 ]](ii) a i represents day i and takes the value of [1, U]U is a preset value; b0B is the electric quantity of the battery of the energy-saving energy storage charging pile when the battery is fully chargeditThe residual electric quantity f of the energy-saving energy storage charging pile is the initial moment of the t time period on the ith dayitFor the discharge power of the energy-saving energy-storage charging pile for charging the external electric equipment in the t time period of the ith day, citCharging power, m, for charging the battery of the energy-saving energy-storage charging pile in the t-th time period of the ith daytCharging electricity charge standard p for charging external electric equipment by using the energy-saving energy storage charging pile in the tth time period of each daytThe charging standard is the commercial power charge standard when the battery of the energy-saving energy-storage charging pile is charged at the tth time period every day;
step S2, calculating the power consumption degree value of the power supply area of the power grid used for charging the battery of the energy-saving energy storage charging pile in each time interval in one day according to the following formula (2):
Figure FDA0002854423430000052
wherein R istIs the value of the electrical consumption level in the power supply region at the t-th time period of each day; pitThe total power consumption of all the electric appliances in the power supply area in the t time period of the ith day; n is a radical ofit-maxThe number of the electric appliances with the power consumption equal to or greater than the preset power in the t time period on the ith day is determined; n is a radical ofmaxThe maximum value of the number of the electric appliances in the power supply region is the maximum value of the number of the electric appliances in the number of the electric appliances corresponding to each of U times 24 time periods in the U day; pmaxThe total power consumption in a first target time interval in the power supply area is calculated; the first target time interval is the time interval corresponding to the maximum total power consumption in the U × 24 time intervals;
step S3, determining appropriate charging indexes for charging the battery of the energy-saving and energy-storage charging pile at each time interval in one day according to the following formula (3):
Yt＝α1Vt+α2Rt (3)
wherein, YtThe charging suitable index is used for charging the battery of the energy-saving energy-storage charging pile at the tth time interval of each day; alpha is alpha1、α2To preset a weight coefficient, alpha1+α21 and α1、α2Are all positive numbers equal to or greater than 0;
step S4, in 24 time intervals each day, determining a second target time interval corresponding to a target charging suitability index with the charging suitability index equal to or smaller than a preset threshold value;
determining each second target time interval as a charging time interval for charging the battery of the energy-saving energy-storage charging pile, and determining other time intervals except the charging time interval in 24 time intervals of a day as discharging time intervals for charging external electric equipment by using the energy-saving energy-storage charging pile;
step S5, controlling the energy-saving energy storage charging pile to charge the battery of the energy-saving energy storage charging pile in the charging time period; and controlling the energy-saving energy storage charging pile to charge external electric equipment in the discharging time period.
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