CN116198368A - Novel solar energy storage charging system and control method thereof - Google Patents
Novel solar energy storage charging system and control method thereof Download PDFInfo
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- CN116198368A CN116198368A CN202310056080.1A CN202310056080A CN116198368A CN 116198368 A CN116198368 A CN 116198368A CN 202310056080 A CN202310056080 A CN 202310056080A CN 116198368 A CN116198368 A CN 116198368A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/50—Charging stations characterised by energy-storage or power-generation means
- B60L53/51—Photovoltaic means
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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
- B60L53/50—Charging stations characterised by energy-storage or power-generation means
- B60L53/53—Batteries
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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
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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
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- 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
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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 belongs to the field of alternating current charging, and particularly discloses a novel solar energy storage charging system and a control method thereof, wherein a data acquisition unit is used for acquiring first data, and the first data comprises charging pile data, energy storage battery data, power grid data and environmental data of a charging station; the intelligent management unit analyzes the first data, configures a corresponding charging scheme according to an analysis result, and issues a control instruction according to the charging scheme; and the charging unit is used for charging the electric vehicle according to the control instruction. According to the invention, various data are used as the selection basis of the charging mode, so that the efficiency of charging the power battery of the electric vehicle by the solar energy storage power supply system can be improved, the electricity cost can be further reduced, the power grid resources can be more reasonably saved and utilized, the use scene is increased, the user experience is improved, and the charging of the electric vehicle can be more intelligently realized.
Description
Technical Field
The invention belongs to the field of alternating current charging, and particularly relates to a novel solar energy storage charging system and a control method thereof.
Background
The rapid development of new energy automobiles enables a large number of electric automobiles to enter thousands of households, the electric automobiles are popularized in a large quantity, the demand for charging piles is increased, a large number of traditional charging piles are connected into a power grid to generate certain harmonic pollution, the burden of the power grid is increased in the period of electricity utilization peak, limited resources of the power grid are occupied, the current alternating current charging piles on the market cannot work intelligently, the energy utilization rate is effectively improved, and the problem of how to efficiently utilize the charging piles is one of the urgent problems in the industry.
In the prior art, a patent with publication number CN104821645A proposes an intelligent charging system of an electric automobile, which comprises a solar energy power storage system and a power grid off-peak power storage system, wherein the intelligent charging system comprises a photovoltaic system, an MP PT solar controller and an energy storage battery system; the power grid valley Chu Dianji system comprises a power grid, a rectifier and an energy storage battery system; the energy storage battery system is connected with the electric automobile charging pile, the power grid is directly connected with the electric automobile charging pile, and the energy storage battery system or the power grid directly charges the electric automobile charging pile. Patent publication number CN115042653a proposes a method, system, device and medium for supplying power to a multi-energy sharing charging pile, the method comprising the steps of: detecting a charging load of an electric automobile, a photovoltaic output of a photovoltaic solar system and a battery energy storage state of a battery energy storage system; according to various different situations of charging load of the electric automobile, photovoltaic output of a photovoltaic solar system and battery energy storage state of a battery energy storage system, the multi-energy sharing charging pile performs various power supply mode switching; when the battery energy storage system reaches the limit of the state of charge, the electric automobile is charged or the battery energy storage and charging are provided with electric energy through the power grid; when the photovoltaic output is greater than the charging load demand of the motor vehicle, the battery energy storage system stores redundant photovoltaic output or compensates for the deficiency of the photovoltaic output of the photovoltaic solar system, so that the renewable energy utilization can be realized to the maximum extent, and meanwhile, the battery energy storage and the power grid power are optimized, so that the energy utilization maximization of the charging power grid is realized. According to the technical scheme, although the fact that the electric vehicle is charged under different conditions by utilizing solar energy and a power grid is considered, the actual charging condition and the user requirement are not met, and intelligent charging cannot be truly realized.
Disclosure of Invention
Aiming at the problems, the invention provides a novel solar energy storage charging system and a control method thereof, which can charge an electric automobile more reasonably and intelligently by using the solar charging pile energy storage battery. On the one hand, the invention discloses a control method of a novel solar energy storage charging system, which comprises the following steps:
collecting first data, wherein the first data comprises charging pile data, energy storage battery data, power grid data and environmental data of a charging station;
analyzing the first data, configuring a corresponding charging scheme according to an analysis result, and issuing a control instruction according to the charging scheme;
and charging the electric vehicle according to the control instruction.
Further, the charging pile data comprise real-time power and light Fu Banguang irradiation conditions of the solar charging pile;
the energy storage battery data comprise charge and discharge conditions of the energy storage battery and residual electric quantity of the energy storage battery;
the power grid data comprise real-time power of the power grid, electricity price of the power grid and whether the power grid belongs to a peak period or not;
the environmental data of the charging station includes the number of electric vehicles waiting in the charging station.
Further, the charging scheme includes: and charging the electric vehicle by using the energy storage battery or charging the electric vehicle by using a power grid.
Further, analyzing the first data, and configuring a corresponding charging scheme according to an analysis result specifically includes the following steps:
judging whether the photovoltaic panel of the current solar charging pile can receive illumination or not;
if the photovoltaic panel can not receive the illumination, further judging whether the energy storage battery in the solar charging pile is in a discharging state or not;
if the energy storage battery is in a discharging state, further acquiring the residual electric quantity of the energy storage battery;
judging whether the energy storage electric quantity of the energy storage battery is larger than a preset residual electric quantity threshold value P1 or not; if the energy storage electric quantity is more than P1, charging the electric vehicle by using an energy storage battery; and if the residual electric quantity is less than or equal to P1, charging the electric vehicle by using the power grid.
Further, if the photovoltaic panel can receive illumination, judging whether the photovoltaic panel is in a working state or not;
if the photovoltaic panel is in a working state, charging an energy storage battery by using the photovoltaic panel and further judging whether the energy storage electric quantity of the energy storage battery is larger than a preset residual electric quantity threshold value P1 or not;
and if the energy storage electric quantity of the energy storage battery is more than P1, charging the electric vehicle by using the energy storage battery.
Further, if the energy storage electric quantity of the energy storage battery is less than or equal to P1, further judging whether the current electricity price is greater than or equal to an electricity price threshold F1;
and if the current electricity price is more than or equal to F1, charging the electric vehicle by using the energy storage battery.
Further, the method comprises the steps of,
the charging method further comprises the step of further judging whether the current power grid is in a peak period or not when the current electricity price is less than F1;
and if the power grid is in the peak period, charging the electric vehicle by using the energy storage battery, and if the power grid is not in the peak period, charging the electric vehicle by using the power grid.
Further, the charging method further comprises the step of judging whether the number of the electric vehicles waiting for the current charging piles is larger than a waiting vehicle threshold D1 or not before the current electricity price is larger than or equal to F1 and the energy storage battery is used for charging the electric vehicles;
if the number of the waiting electric vehicles is more than or equal to D1, waiting to charge the electric vehicles by using the energy storage battery; and if the number of the waiting electric vehicles is smaller than F1, charging the electric vehicles by using a power grid.
In another aspect, the present invention provides a novel solar energy storage charging system, the charging system comprising:
the charging system comprises a data acquisition unit, a charging unit and a charging unit, wherein the data acquisition unit is used for acquiring first data, and the first data comprises charging pile data, energy storage battery data, power grid data and environmental data of a charging station;
the intelligent management unit analyzes the first data, configures a corresponding charging scheme according to an analysis result, and issues a control instruction according to the charging scheme;
and the charging unit is used for charging the electric vehicle according to the control instruction.
Further, the system also comprises a data transmission unit and a data display unit,
wherein, the liquid crystal display device comprises a liquid crystal display device,
the data transmission unit is used for transmitting the acquired first data to the intelligent management unit and feeding back a control instruction issued by the intelligent management unit to the charging unit;
and the data display unit is used for displaying the acquired first data.
The invention has the beneficial effects that:
according to the novel solar energy storage charging system and the control method thereof, the charging pile data, the energy storage battery data, the power grid data and the environmental data of the charging station are collected, and various data are used as the selection basis of the charging mode, so that the efficiency of the solar energy storage power supply system for charging the power battery of the electric vehicle can be improved, the electricity cost can be further reduced, the power grid resource can be more reasonably saved and utilized, the use scene is increased, the user experience is improved, and the charging of the electric vehicle can be more intelligently realized.
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 may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 shows an electric quantity flow chart of a solar charging pile according to an embodiment of the invention;
FIG. 2 shows a block diagram of an energy storage charging system according to an embodiment of the present invention;
FIG. 3 shows a solar charging schematic of the solar energy storage charging system of the present invention;
FIG. 4 shows a flow chart of a solar energy storage charging system of the present invention;
FIG. 5 shows a flow chart of a solar energy storage charging system in an embodiment of the invention;
fig. 6 shows a charging flow chart of the solar energy storage charging system in the daytime according to the embodiment of the invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Aiming at the problem that an alternating-current charging pile on the market cannot work intelligently in the prior art, the invention provides a novel solar energy storage charging system, which reasonably and effectively charges an electric automobile according to factors such as weather conditions, electricity price conditions of a power grid, capacity of an energy storage battery in the charging pile, charging time period and the like by utilizing brand-new control logic.
The solar energy storage charging system mainly comprises four parts, including a charging pile, solar energy, a power grid and an electric vehicle. The electric quantity flow direction relations of the four parts are shown in fig. 1, solar energy and a power grid can be used for charging the charging pile, and the charging pile after charging is used for further charging the electric vehicle. The specific charging principle is shown in fig. 2, the charging pile directly converts solar radiation energy into electric energy by using the photovoltaic effect of the semiconductor material of the solar cell in sunny weather, namely, the inverter is used for charging the energy storage battery by using the solar energy, and the equipment to be charged can be directly charged by the inverter. There is also a mode of operation in which the device to be charged is charged directly through the bypass. The energy storage battery is a common lead-acid battery, a lithium battery and the like, is charged through solar energy and a power grid, can also charge equipment to be charged through an inverter, and the solar energy storage charging pile can feed back to the power grid through the residual SOC value converted by the photovoltaic panel.
The invention provides a novel solar energy storage charging system, as shown in fig. 3, which specifically comprises:
the data acquisition unit is mainly used for acquiring first data in the working process of the charging pile; the data comprises real-time charging power, grid power and the like;
and the data display unit is mainly used for displaying the first data in real time.
The data transmission unit is mainly used for realizing the interaction of the information of the data acquisition unit and the data of the intelligent management unit; specifically, the information acquired by the data acquisition unit is sent to the intelligent management unit, and the control instruction issued by the intelligent management unit is fed back to the charging unit.
The intelligent management unit is mainly used as a core of the whole system, processes information from an input end and issues control instructions.
And the charging unit is mainly used for receiving the control instruction of the intelligent management unit and charging the electric vehicle by utilizing the electric energy of the charging pile.
Based on the novel solar energy storage charging system, the invention provides a control method of the novel solar energy storage charging system, as shown in fig. 4, mainly comprising the following steps:
collecting first data, wherein the first data comprises charging pile data, energy storage battery data, power grid data and environmental data of a charging station;
analyzing the first data, configuring a corresponding charging scheme according to an analysis result, and issuing a control instruction according to the charging scheme;
and charging the electric vehicle according to the control instruction.
The energy storage battery data comprise charge and discharge conditions of the energy storage battery and energy storage electric quantity of the energy storage battery; the power grid data comprise real-time power of the power grid, electricity price of the power grid and whether the power grid belongs to a peak period or not; the environmental data of the charging station includes the number of electric vehicles waiting in the charging station.
Specifically, the control method comprises the following two states:
and the solar energy storage charging pile enters an A state. When the solar energy storage charging pile enters the A state, the electric energy stored by the energy storage battery in the charging pile is used for charging the electric vehicle, and whether the discharging state of the energy storage battery and the residual electric quantity of the energy storage battery are used for judging is specifically judged. The process can be adaptively adjusted, the data acquisition unit can acquire first data of the charging pile in advance, the first data comprise real-time power of the charging pile and related data of power grid power, the first data are sent to the intelligent unit, the output power of the energy storage battery is adjusted according to an analysis result after being analyzed and processed by the intelligent management unit, whether the power grid is adopted to replace the energy storage battery in the solar energy storage charging pile for charging is determined, and corresponding control instructions are sent to the charging unit.
The solar energy storage charging pile is also in a B state, namely when solar energy can be obtained, for example, when sunlight is sufficient in daytime, the solar energy is adopted to charge the energy storage battery, and the residual condition of the energy storage electric quantity of the energy storage battery is judged; if the energy storage battery is not full and is lower than a preset residual electric quantity threshold value P1, the electric vehicle is charged by adopting a power grid, and if the energy storage battery is full or is higher than the residual electric quantity threshold value P1, the electric vehicle is charged by adopting a solar energy storage charging pile.
It should be noted that, when the energy storage battery in the solar charging pile cannot be charged in the absence of sunlight at night or in overcast and rainy days, whether to supply energy or convert the energy into power grid energy is determined according to the residual electric quantity condition of the energy storage electric quantity of the energy storage battery.
The detailed flow chart of the novel solar energy storage charging system and the charging method provided by the invention is shown in figure 5,
s1: judging whether the photovoltaic panel of the current solar charging pile can receive illumination or not, and in the embodiment, the day and the night are taken as examples to explain two conditions, namely judging whether the current solar charging pile is in the day or at the night;
s2a: if the current state is at night (namely illumination cannot be received), further judging whether the charging pile energy storage battery is discharged or not;
s3a: if the charging pile energy storage battery is in a discharging state, further acquiring the energy storage electric quantity of the energy storage battery; if the charging pile energy storage battery is not in a discharging state, selecting a power grid to supply power if a charging demand exists at the moment;
s4a: after the energy storage electric quantity of the energy storage battery is obtained, whether the energy storage electric quantity of the energy storage battery of the charging pile is larger than a preset residual electric quantity threshold value P1 or not is further judged; the preset residual electric quantity threshold value in the embodiment is 20%, and can be specifically adjusted according to the charging and discharging capabilities of the charging pile;
s5a: if the energy storage electric quantity of the energy storage battery of the charging pile is smaller than or equal to a preset residual electric quantity threshold value, the charging pile stops charging by the energy storage battery, and the power grid is used for charging the energy storage battery and the electric vehicle. And if the residual electric quantity of the energy storage battery of the charging pile is larger than the residual electric quantity threshold value P1, charging by using the energy storage battery.
S2b: if the current day is daytime and the weather is clear (namely, the state of being capable of receiving illumination), further judging whether the photovoltaic works or not;
s3b: if the photovoltaic panel works, the energy storage battery is charged by the photovoltaic panel; if the photovoltaic panel is not in a working state, charging the energy storage battery and the electric vehicle by using a power grid;
s4b: if the photovoltaic panel is used for charging the energy storage battery, whether the energy storage electric quantity of the energy storage battery is larger than a preset residual electric quantity threshold value P1 or not needs to be judged; the preset residual electric quantity threshold value in the embodiment is 20%, and can be specifically adjusted according to the charging and discharging capabilities of the charging pile;
s5b: if the residual electric quantity of the energy storage battery is larger than a preset residual electric quantity threshold value P1, further judging whether the current electric price is larger than or equal to a preset electric price threshold value F1 or not; if the residual electric quantity of the energy storage battery is smaller than or equal to a preset residual electric quantity threshold value P1, charging the energy storage battery and the electric vehicle by using a power grid;
s6b: if the current electricity price is greater than or equal to a preset electricity price threshold F1, charging by using an energy storage battery; if the current electricity price is smaller than F1, charging the energy storage battery and the electric vehicle by using a power grid;
in one embodiment of the present invention, the first data further includes power grid data and environmental data of the charging station, and the novel solar energy storage charging system is controlled in the following manner, as shown in fig. 6 in detail: if the power grid runs in a normal state, judging the electric quantity of the energy storage battery in the solar charging pile at the moment, stopping discharging when the energy storage electric quantity of the energy storage battery in the solar charging pile is smaller than or equal to a preset residual electric quantity threshold value P1 (20%), and charging the energy storage battery and the electric vehicle by using the power grid; if the remaining power of the energy storage battery in the solar charging pile is greater than 20%, further judging whether the remaining power of the energy storage battery in the solar charging pile is greater than a preset remaining power threshold value P1 and smaller than a preset second remaining power threshold value P2 (in this embodiment, P2 is 80%), if the remaining power of the energy storage battery in the solar charging pile is greater than or equal to P2, further judging whether the remaining power of the energy storage battery in the solar charging pile is greater than or equal to a preset third remaining power threshold value P3 (in this embodiment, P3 is 95%), and changing the charging mode into a trickle charging mode with current of 5A when the remaining power of the energy storage battery in the solar charging pile is greater than or equal to 95% is detected until the battery is fully charged. In order to prevent the damage of overdischarge to the energy storage battery, the energy storage battery in the solar charging pile stops supplying energy to the electric vehicle, and the electric vehicle is directly charged by the power grid (the load of the power grid can be reduced if the power grid is in a peak state at the moment). If the energy storage capacity of the energy storage battery is between 20% and 80% (i.e. P2< energy storage capacity < P3), further judging whether the current electricity price is greater than or equal to an electricity price threshold F1 (in this embodiment, F1 is 0.8), and selecting to adopt the grid alternating current on the charging pile to supply power to the electric vehicle even though more electric vehicles are waiting at the charging station (more than the waiting vehicle threshold D1 for the number of the electric vehicles that the charging station can receive, in this embodiment, D1 is 70%). The energy storage electricity value of the energy storage charging pile battery is between 20% and 80%, but the electricity price is lower than 0.8 yuan, when the power grid runs in a peak state, the working mode that the energy of the energy storage charging pile battery pack is fed back to the power grid is selected, and when the power grid runs in a non-peak state, the electric vehicle is charged by the power grid. In addition, when the intelligent solar charging system cannot work in the night or overcast weather photovoltaic, the power supply system is changed to charge the energy storage battery by adopting a power grid, so that the energy storage battery can be ensured to be ready to cope with the peak period of electricity consumption at any time.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The control method of the novel solar energy storage charging system is characterized by comprising the following steps of:
collecting first data, wherein the first data comprises charging pile data, energy storage battery data, power grid data and environmental data of a charging station;
analyzing the first data, configuring a corresponding charging scheme according to an analysis result, and issuing a control instruction according to the charging scheme;
and charging the electric vehicle according to the control instruction.
2. The method for controlling a novel solar energy storage and charging system according to claim 1, wherein,
the charging pile data comprise real-time power and light Fu Banguang irradiation conditions of the solar charging pile;
the energy storage battery data comprise charge and discharge conditions of the energy storage battery and residual electric quantity of the energy storage battery;
the power grid data comprise real-time power of the power grid, electricity price of the power grid and whether the power grid belongs to a peak period or not;
the environmental data of the charging station includes the number of electric vehicles waiting in the charging station.
3. The method for controlling a novel solar energy storage and charging system according to claim 1, wherein,
the charging scheme includes: and charging the electric vehicle by using the energy storage battery or charging the electric vehicle by using a power grid.
4. The method for controlling a novel solar energy storage and charging system according to claim 1, wherein,
analyzing the first data, and configuring a corresponding charging scheme according to an analysis result specifically comprises the following steps:
judging whether the photovoltaic panel of the current solar charging pile can receive illumination or not;
if the photovoltaic panel can not receive the illumination, further judging whether the energy storage battery in the solar charging pile is in a discharging state or not;
if the energy storage battery is in a discharging state, further acquiring the energy storage electric quantity of the energy storage battery;
judging whether the energy storage electric quantity of the energy storage battery is larger than a preset residual electric quantity threshold value P1 or not; if the energy storage electric quantity is more than P1, charging the electric vehicle by using an energy storage battery; and if the residual electric quantity is less than or equal to P1, charging the electric vehicle by using the power grid.
5. The method for controlling a novel solar energy storage and charging system according to claim 4, wherein,
if the photovoltaic panel can receive illumination, judging whether the photovoltaic panel is in a working state or not;
if the photovoltaic panel is in a working state, charging an energy storage battery by using the photovoltaic panel and further judging whether the energy storage electric quantity of the energy storage battery is larger than a preset residual electric quantity threshold value P1 or not;
and if the energy storage electric quantity of the energy storage battery is more than P1, charging the electric vehicle by using the energy storage battery.
6. The method for controlling a novel solar energy storage and charging system according to claim 5, wherein,
if the residual electric quantity of the energy storage battery is less than or equal to P1, further judging whether the current electricity price is greater than or equal to an electricity price threshold F1;
and if the current electricity price is more than or equal to F1, charging the electric vehicle by using the energy storage battery.
7. The method for controlling a novel solar energy storage and charging system according to claim 6, wherein,
the charging method further comprises the step of further judging whether the current power grid is in a peak period or not when the current electricity price is less than F1;
and if the power grid is in the peak period, charging the electric vehicle by using the energy storage battery, and if the power grid is not in the peak period, charging the electric vehicle by using the power grid.
8. The method for controlling a novel solar energy storage charging system according to claim 6 or 7, wherein,
the charging method further comprises the step of judging whether the number of the electric vehicles waiting for the current charging pile is larger than a waiting vehicle threshold D1 or not before the current electricity price is larger than or equal to F1 and the energy storage battery is used for charging the electric vehicles;
if the number of the waiting electric vehicles is more than or equal to D1, waiting to charge the electric vehicles by using the energy storage battery; and if the number of the waiting electric vehicles is smaller than F1, charging the electric vehicles by using a power grid.
9. Novel solar energy storage charging system, characterized in that, charging system includes:
the charging system comprises a data acquisition unit, a charging unit and a charging unit, wherein the data acquisition unit is used for acquiring first data, and the first data comprises charging pile data, energy storage battery data, power grid data and environmental data of a charging station;
the intelligent management unit analyzes the first data, configures a corresponding charging scheme according to an analysis result, and issues a control instruction according to the charging scheme;
and the charging unit is used for charging the electric vehicle according to the control instruction.
10. The novel solar energy storage charging system of claim 9, wherein,
the system further comprises a data transmission unit and a data display unit,
wherein, the liquid crystal display device comprises a liquid crystal display device,
the data transmission unit is used for transmitting the acquired first data to the intelligent management unit and feeding back a control instruction issued by the intelligent management unit to the charging unit;
and the data display unit is used for displaying the acquired first data.
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| CN116526535B (en) * | 2023-07-03 | 2023-09-01 | 国网辽宁省电力有限公司沈阳供电公司 | Energy storage method and system for electric vehicle charging station |
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