CN114379406A - Charging method and system of charging pile and computer equipment - Google Patents
Charging method and system of charging pile and computer equipment Download PDFInfo
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- CN114379406A CN114379406A CN202110956514.4A CN202110956514A CN114379406A CN 114379406 A CN114379406 A CN 114379406A CN 202110956514 A CN202110956514 A CN 202110956514A CN 114379406 A CN114379406 A CN 114379406A
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/66—Data transfer between charging stations and vehicles
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/008—Circuit arrangements for ac mains or ac distribution networks involving trading of energy or energy transmission rights
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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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- 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
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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
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Abstract
The application relates to a charging method, a charging system and computer equipment of a charging pile, which comprise the steps of receiving charging request information of a client; sending a load request to a power grid according to the charging request information; receiving power information output by a power grid, and converting the power information into rated power when the charging pile outputs electric energy; obtaining rated charging time according to rated power and preset charging degree; comparing whether the rated charging time is less than the time of a preset charging time period or not; if not, controlling the charging pile to continuously output electric energy within a preset charging time period; if so, setting a time-sharing charging strategy according to the rated charging time, a preset charging time period and a power supply pressure time-sharing table and the power supply pressure relieving strategy; and controlling the charging pile to output electric energy according to a time-sharing charging strategy. This application has the effect of alleviating the power supply pressure of electric wire netting when filling the electric pile power supply.
Description
Technical Field
The application relates to the field of charging piles, in particular to a charging method and system of a charging pile and computer equipment.
Background
The charging pile is usually installed in public buildings (public buildings, shopping malls, public parking lots, etc.) and residential quarter parking lots or charging stations, and can charge various types of electric vehicles according to different voltage levels. The input end of the charging pile is directly connected with an alternating current power grid, and the output end of the charging pile is provided with a charging plug for charging the electric automobile.
At present, when the existing charging pile is used, a user firstly connects the charging pile with equipment, the user inputs charging degree and/or charging time, and then the charging pile charges the equipment until the charging degree or the charging time is reached.
With respect to the related art in the above, the inventors found that: in different time periods, the open capacity of the power grid is different, and a large number of users charge the equipment when the open capacity of the power grid is in shortage, so that the power supply pressure of the power grid is easily aggravated, and reasonable distribution of power resources is not facilitated.
Disclosure of Invention
In order to relieve the power supply pressure of a power grid when the power grid supplies power to the charging pile, power resources are more reasonably distributed; in a first aspect, the application provides a charging method for a charging pile.
A charging method of a charging pile, comprising:
receiving charging request information of a client, wherein the charging request information comprises a preset charging degree and a preset charging time period;
sending a load request to a power grid according to the charging request information;
receiving power information output by a power grid, and converting the power information into rated power when the charging pile outputs electric energy, wherein the power information is obtained by the power grid according to the load request and the self-openable capacity of the power grid;
obtaining rated charging time according to the rated power and the preset charging degree;
comparing whether the rated charging time is less than the time of the preset charging time period or not; if not, controlling the charging pile to continuously output electric energy within the preset charging time period; if yes, setting a time-sharing charging strategy according to the rated charging time, a preset charging time period and a power supply pressure time-sharing table and a power supply pressure relieving strategy; and the number of the first and second groups,
and controlling the charging pile to output electric energy according to the time-sharing charging strategy.
By selecting the technical scheme, when the electric equipment is charged in the region where the power supply pressure time-sharing meter is set, the controller of the charging pile compares the calculated rated charging time with the time of the preset charging time period, and when the rated charging time is greater than or equal to the time of the preset charging time period, the controller of the charging pile controls the charging pile to continuously output electric energy in the preset charging time period so as to charge more electric energy to the electric equipment; when the rated charging time is shorter than the preset charging time period, the controller of the charging pile sets a time-sharing charging strategy according to the rated charging time, the preset charging time period and the power supply pressure time-sharing table and the power supply pressure relieving strategy, and preferentially controls the charging pile to charge the electric equipment in the time period with low power supply pressure of the power grid, so that the power supply pressure of the power grid for supplying power to the charging pile is relieved.
Optionally, the power supply pressure time-sharing meter is a peak-valley time-sharing meter, and the setting method of the time-sharing charging strategy includes:
dividing the preset charging time period into a peak power time period and a valley power time period according to the peak-valley time-sharing table; and the number of the first and second groups,
comparing whether the rated charging time is less than or equal to the total time of all the valley power time periods; if so, setting the time period of the electric energy output by the charging pile to be selected in the valley power time period; if not, setting all the valley power time periods as valley power charging time periods, and selecting a time period with the total time length equal to the difference value between the rated charging time length and the total time length of all the valley power time periods from the peak power time periods as a peak power charging time period;
the peak electricity charging time period is the time period when the charging pile outputs the electric energy in the peak electricity time period.
By selecting the technical scheme, the preset charging time period is divided into the peak power time period and the valley power time period according to the preset peak-valley time sharing table, when the duration of the valley power time period is greater than the rated charging duration, the controller of the charging pile controls the charging pile to select the time period with the total duration equal to the rated charging duration from the valley power time period to be set as the valley power charging time period, and the electric equipment is charged in the valley power charging time period, so that the power supply pressure of a power grid is relieved.
Optionally, the power supply pressure time-sharing meter is a peak-to-valley time-sharing meter, and the setting method of the time-sharing charging strategy includes:
dividing the preset charging time period into a peak power time period, a flat power time period and a valley power time period according to the peak-to-valley time sharing table;
comparing whether the rated charging time is less than or equal to the total time of all the valley power time periods; if so, setting the time period of the electric energy output by the charging pile to be selected in the valley power time period; if not, comparing whether the rated charging time is less than or equal to the sum of the total time of all the valley power time periods and the total time of all the flat power time periods;
if the rated charging time is less than or equal to the sum of the total time of all the valley power time periods and the total time of all the flat power time periods, setting all the valley power time periods as valley power charging time periods, and selecting a time period with the total time equal to the difference between the rated charging time and the total time of all the valley power time periods from the flat power time periods as a flat power charging time period; if not, setting all the valley power time periods as valley power charging time periods, setting all the flat power time periods as flat power charging time periods, and selecting a time period with the total time length equal to the total time length obtained by subtracting the total time length of all the valley power time periods from the rated charging time length and then subtracting the total difference value of the total time lengths of all the flat power time periods from the peak power time periods as the flat power charging time period;
the peak electricity charging time period is the time period when the charging pile outputs the electric energy in the peak electricity time period, and the flat electricity charging time period is the time period when the charging pile outputs the electric energy in the flat electricity time period.
By selecting the technical scheme, the priorities are set for the valley power time period, the flat power time period and the peak power time period, the valley power time period is preferably selected to charge the electric equipment, the flat power time period is selected to charge the electric equipment, and finally the peak power time period is selected.
Optionally, a time-sharing charging strategy is sent to the client; and the number of the first and second groups,
judging whether a charging correction request sent by a client is received within a preset response time, if not, controlling the charging pile to output electric energy according to a time-sharing charging strategy; if so, controlling the charging pile to output electric energy in the charging correction time period according to the received charging correction request; the charge correction request includes a correction charge period.
By selecting the technical scheme, after the time-sharing charging strategy is set by the controller of the charging pile, the set time-sharing charging strategy is sent to the client for selection, namely the off-peak power charging time period and the peak power charging time period or the off-peak power charging time period, the flat power charging time period and the peak power charging time period are sent to the client, and the user confirms in an operation interface of the client, so that the human-computer interaction experience of the user is improved, and more choices are provided for the user.
Optionally, the electric energy output is completed within the shortest time from the moment when the charging pile starts to output the electric energy according to the power supply pressure relief strategy.
By selecting the technical scheme, more electric energy can be conveniently charged for the electric equipment under the condition that the user terminates the charging of the electric equipment in advance.
In a second aspect, the present application provides a charging method for a charging pile, including:
receiving charging request information of a client, wherein the charging request information comprises a preset charging degree;
sending a load request to a power grid according to the charging request information;
receiving power information output by a power grid, and converting the power information into rated power when the charging pile outputs electric energy, wherein the power information is obtained by the power grid according to the load request and the self-openable capacity of the power grid;
calculating rated charging time according to the rated power and a preset charging degree;
according to the rated charging time and a preset power supply pressure time-sharing table, setting a plurality of groups of reference charging time periods according to a power supply pressure relieving strategy, and sending the plurality of groups of reference charging time periods to a client, wherein each group of reference charging time periods at least comprises one reference charging time period; and the number of the first and second groups,
judging whether the client selects one group of the reference charging time periods as the time periods of the electric energy output by the charging pile; if so, controlling the charging pile to output electric energy in the reference charging time period selected by the client; if not, the rated charging time is sent to the client, a self-set charging time period sent by the client is received, the charging pile is controlled to output electric energy in the self-set charging time period, and the self-set charging time period is a time period set by the client according to the rated charging time period.
By selecting the technical scheme, after the client sends the preset charging degree to the controller of the charging pile, the controller of the charging pile sets the total time length equal to the rated charging time period as the reference charging time period for the user to select according to the power supply pressure time-sharing table, the current time and the rated charging time length, the power supply pressure of the power grid can be relieved in the reference charging time period, if the user selects one group of reference charging time periods as the time period for the charging pile to output the electric energy, the charging pile is controlled to output the electric energy in the reference charging time period selected by the client, if the client does not select one group of the multiple groups of reference charging time periods as the time period for the charging pile to output the electric energy, the client sets the self-set charging time period, and the charging pile outputs the electric energy in the self-set charging time period.
In a third aspect, the present application provides a charging system for a charging pile, including:
the first receiving module is used for receiving charging request information of the client;
the first processing module is used for sending a load request to a power grid, receiving power information output by the power grid, converting the power information into rated power when the charging pile outputs electric energy, and calculating rated charging time according to the rated power and a preset charging degree;
the first comparison module is used for comparing the rated charging with the duration of the preset charging time period;
the first control module is used for controlling the charging pile to continuously output electric energy in the preset charging time period if the rated charging time period is greater than or equal to the preset charging time period; and if the rated charging time is shorter than the preset charging time, setting a peak power charging time period and a valley power charging time period according to the preset charging time period and a preset peak-valley timescale, and controlling the charging pile to output electric energy in the valley power charging time period and the peak power charging time period.
By selecting the technical scheme, when the electric equipment is charged in the area with peak power and valley power, the receiving module receives the charging request information of the client; the processing module sends a load request to a power grid, receives power information output by the power grid, converts the power information into rated power when the charging pile outputs electric energy, and calculates rated charging time according to the rated power and a preset charging degree; the comparison module compares the calculated rated charging time with the time of a preset charging time period, and when the rated charging time is greater than or equal to the time of the preset charging time period, the control module controls the charging pile to continuously output electric energy in the preset charging time period so as to charge more electric energy for the electric equipment; when the rated charging time is shorter than the preset charging time, the control module sets a peak power charging time period and a valley power charging time period according to the preset charging time period and a preset peak-valley time-sharing table, and preferentially controls the charging pile to charge the electric equipment in the valley power time period, so that the power supply pressure of a power grid on the charging pile is relieved.
In a fourth aspect, the present application provides a charging system for charging a pile, including:
the second receiving module is used for receiving charging request information of the client, wherein the charging request information comprises a preset charging degree;
the second processing module is used for sending a load request to a power grid, receiving power information output by the power grid, converting the power information into rated power when the charging pile outputs electric energy, calculating rated charging time according to the rated power and a preset charging degree, setting a plurality of groups of reference charging time periods according to a power supply pressure relieving strategy and a preset power supply pressure time sharing table, and sending the plurality of groups of reference charging time periods to a client, wherein each group of reference charging time periods at least comprises one reference charging time period; and the number of the first and second groups,
the second control module is used for judging whether the client selects one of the reference charging time periods as a time period for the charging pile to output electric energy; if so, controlling the charging pile to output electric energy in the reference charging time period selected by the client; if not, the rated charging time is sent to the client, a self-set charging time period sent by the client is received, the charging pile is controlled to output electric energy in the self-set charging time period, and the self-set charging time period is a time period set by the client according to the rated charging time period.
In a fifth aspect, the present application provides a computer device, including a memory and a processor, where the memory stores a computer program that is loaded by the processor and executes any one of the charging methods for a charging pile.
In a sixth aspect, the present application provides a computer-readable storage medium, which is characterized by storing a computer program that can be loaded by a processor and executed to perform the charging method for charging a charging pile according to any one of the above.
Drawings
Fig. 1 is a flowchart of an embodiment of a charging method for a charging pile according to the present application.
Fig. 2 is a flowchart of a setting method of the time-sharing charging strategy when the supply voltage time-sharing table is a peak-valley time-sharing table.
Fig. 3 is a flowchart of a setting method of the time-sharing charging strategy when the power supply pressure time-sharing table is a peak-to-valley time-sharing table.
Fig. 4 is a flowchart of another embodiment of a charging method for a charging pile according to the present application.
Fig. 5 is a flowchart of another embodiment of a charging method for a charging pile according to the present application.
Fig. 6 is a system block diagram of one embodiment of a charging system for a charging post according to the present application.
Fig. 7 is a system block diagram of another embodiment of a charging system for a charging post according to the present application.
Description of reference numerals: 501. a first receiving module; 502. a first processing module; 503. a first comparison module; 504. a first control module; 601. a second receiving module; 602. a second processing module; 603. and a second control module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail below with reference to fig. 1-7 and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The embodiment of the application discloses a charging method of a charging pile, which is applied to the charging pile.
Referring to fig. 1, as an embodiment of a charging method of a charging pile, the charging method of the charging pile includes the steps of:
step S101, receiving charging request information of a client, wherein the charging request information comprises a preset charging degree and a preset charging time period.
For the embodiment of the application, after a user connects a plug of a cable assembly connected with the charging pile with a charging socket of electric equipment (such as an electric automobile), the user sends charging request information to a controller of the charging pile through a client. The client can be a numerical control screen which is arranged beside the charging pile and is communicated with a controller of the charging pile; the client side can also be an intelligent terminal (such as an intelligent mobile phone, a tablet personal computer, an intelligent bracelet and the like) of the user, the user can scan the two-dimensional code on the charging pile through the intelligent terminal to bind the account number of the user with the two-dimensional code on the charging pile, or can communicate with the charging pile through a wireless connection mode (such as Bluetooth).
The preset charging degree corresponds to a degree (for example, 6 kilowatt-hours) input by a user in an operation interface of the client, and the controller of the client receives the degree input by the user in the operation interface of the client and converts the degree into the preset charging degree. The preset charging time period corresponds to a time period input by a user on an operation interface of the client, the time period is after the current time, for example, the current time is 18:55, the time period input by the user on the operation interface of the client is 19:00-23:00, the client converts the time period input by the user on the operation interface of the client into the preset charging time period, and then sends the preset charging degree and the preset charging time period to the controller of the charging pile in the form of charging request information.
And step S102, sending a load request to the power grid according to the charging request information.
For the embodiment of the application, a controller of a charging pile receives charging request information sent by a client and then sends a load request to a power grid according to the charging request information, wherein the load request comprises request power, request voltage and request current, the request power is maximum input power of the charging pile under the condition of meeting safety, the request voltage is maximum input voltage of the charging pile under the condition of meeting safety, and the request current is maximum input current of the charging pile under the condition of meeting safety.
And S103, receiving power information output by the power grid, converting the power information into rated power when the charging pile outputs electric energy, wherein the power information is obtained by the power grid according to the load request and the self-openable capacity of the power grid.
For the embodiment of the application, the self-opening capacity of the power grid is limited, the power grid sends power information to the controller of the charging pile in combination with the self-opening capacity of the power grid after receiving a load request sent by the controller of the charging pile, the power information represents the power supply power of the power grid for supplying power to the charging pile, and the charging pile provides rated power for the electric equipment after stabilizing and stabilizing the received voltage and current because the charging pile cannot fully utilize the energy output by the power grid.
And step S104, calculating the rated charging time according to the rated power and the preset charging degree.
For the embodiment of the application, if the preset charging degree is 6 kilowatt, the rated power is 3 kilowatts, and the rated charging time is 2 hours.
And step S105, comparing whether the rated charging time is less than the time of the preset charging time period.
And S106, if not, controlling the charging pile to continuously output electric energy within a preset charging time period.
To this application embodiment, fill electric pile's controller with the length of time of charging of rated charging duration and length of time of predetermineeing the charging period and carry out the comparison, when the length of time of charging of rated charging is more than or equal to the length of time of predetermineeing the charging period, even fill electric pile and use rated power to charge for electric equipment in predetermineeing the charging period, the number of degrees of charging is mostly predetermineeing the number of degrees of charging, for the convenience fills more electric energy for electric equipment, the controller control of filling electric pile this moment is in predetermineeing the charging period and is continuously exported the electric energy.
In some cases, the preset charging time period is 19:00-20:00, the duration of the preset charging time period is 1h, if the preset charging degree is 6 kilowatt hours and the rated power is 3 kilowatts, the rated charging time period is 2h, the rated charging time period is longer than the duration of the preset charging time period, and the controller of the charging pile controls the charging pile to continuously output electric energy in the preset charging time period (19: 00-20: 00) so as to output more electric energy for the electric equipment as far as possible. In other cases, the preset charging time period is 19:00-21:00, the duration of the preset charging time period is 2 hours, the preset charging degree is 6 kilowatts, the rated power is 3 kilowatts, the rated charging time period is 2 hours, the rated charging time period is equal to the duration of the preset charging time period, and the controller of the charging pile also controls the charging pile to continuously output electric energy in the preset charging time period (19: 00-21: 00) so as to output more electric energy for the electric equipment.
And S107, if so, setting a time-sharing charging strategy according to the rated charging time, the preset charging time period and the power supply pressure time-sharing table and the power supply pressure relieving strategy.
For the embodiment of the application, when the rated charging time is less than the preset charging time, the charging pile only needs to select the time period with the total time equal to the rated charging time within the preset charging time to output the electric energy which reaches the preset charging degree for the electric equipment. At this moment, in order to relieve the power supply pressure of the power grid, the controller of the charging pile sets a time-sharing charging strategy according to a rated charging time, a preset charging time period and a power supply pressure time-sharing meter and a power supply pressure relieving strategy, the power supply pressure time-sharing meter is a table recording the power supply pressure of the power grid in different time periods, and the time-sharing charging strategy refers to that under the condition that the output total power reaches a preset charging degree, namely the total charging time is not changed, the time period with small power supply pressure of the power grid is preferentially selected to be set as the time period of the output power of the charging pile or the proportion of the time period with small power supply pressure of the power grid in the time period of the output power of the charging pile is improved, so that the effect of relieving the power supply pressure of the power grid is achieved.
And S108, controlling the charging pile to output electric energy according to a time-sharing charging strategy.
Referring to fig. 2, when the supply voltage share table is a peak-valley share table, the setting method of the share charging strategy includes:
step S1061, dividing a preset charging time period into a peak power time period and a valley power time period according to a peak-valley time schedule.
For the embodiment of the application, the peak-valley time-sharing meter divides the time period of power supply of the power grid into the peak power distribution time period and the valley power distribution time period, wherein the power supply pressure of the power grid in the peak power distribution time period is greater than the power supply pressure in the valley power distribution time period. Taking the peak power distribution time period of 8:00-22:00 and the valley power distribution time period of 22: 00-8: 00 the next day as an example, when the preset charging time period is 19:00-23:00, the controller of the charging pile divides the preset charging time period (19: 00-23: 00) into the peak power time period (19: 00-22: 00) and the valley power time period (22: 00-23: 00), and the power supply pressure of the power grid in the peak power time period (19: 00-22: 00) is greater than the power supply pressure in the valley power time period (22: 00-23: 00).
And step S1062, comparing whether the rated charging time is less than the time of the valley power time period.
For the embodiment of the application, the example data in step S1060 is used for explanation, the time duration corresponding to the valley power time period (22: 00-23: 00) is 1h, and the controller of the charging pile compares the calculated rated charging time duration with the time duration of the valley power time period and determines whether the rated charging time duration is less than the time duration of the valley power time period.
And S1063, if so, setting that all the time periods of the electric energy output by the charging pile are selected from the valley power time periods, and the total time length of the time periods of the electric energy output by the charging pile is equal to the rated charging time length.
For the embodiment of the application, the example data in step S1061 is used for illustration, and when the rated charging time is 0.5h, the rated charging time is less than the total time (1 h) of the valley power time period, at this time, the time periods of the output power of the charging piles are all set to be the valley power time period (22: 00-23: 00), and the total time period of the output power of the charging piles is equal to the rated charging time (0.5 h).
Step S1064, if not, setting all the valley power time periods as valley power charging time periods, and selecting a time period with the total time length equal to the difference value between the rated charging time length and the total time length of all the valley power time periods from the peak power time periods as a peak power charging time period; the valley power charging time period is the time period when the charging pile outputs electric energy in the valley power time period, and the peak power charging time period is the time period when the charging pile outputs electric energy in the peak power time period.
For the embodiment of the application, the example data in step S1061 is used to illustrate that, when the rated charging time is 2h, the rated charging time is greater than the time (1 h) of the valley power time period, at this time, the controller of the charging pile sets the valley power time period (22: 00-23: 00) as the valley power charging time period, and selects a time period with a total time length equal to 1h as the peak power charging time period in the peak power time period (19: 00-22: 00), so that the total charging time length of the charging pile as the electric device is 2 h.
Referring to fig. 3, when the power supply pressure time-sharing table is a peak-to-valley time-sharing table, the setting method of the time-sharing charging strategy includes:
step S2061, dividing the preset charging time period into a peak power time period, a flat power time period and a valley power time period according to a peak-to-valley time sharing table.
And step S2062, comparing whether the rated charging time is less than or equal to the total time of all the valley power time periods.
And S2063, if yes, setting the time period of the electric energy output by the charging pile to be all selected in the valley power time period.
And step S2064, if not, comparing whether the rated charging time is less than or equal to the sum of the total time of all the valley power time periods and the total time of all the flat power time periods.
Step S2065, if the rated charging time is less than or equal to the sum of the total time of all the valley power time periods and the total time of all the flat power time periods, setting all the valley power time periods as valley power charging time periods, and selecting a time period with the total time equal to the difference value between the rated charging time and the total time of all the valley power time periods from the flat power time periods as the flat power charging time period.
Step S2066, if the rated charging time is longer than the sum of the total time of all the valley power time periods and the total time of all the flat power time periods, setting all the valley power time periods as valley power charging time periods, setting all the flat power time periods as flat power charging time periods, and setting the time period, in which the total time is equal to the sum of the rated charging time minus the total time of all the valley power time periods and then minus the total difference of the total time of all the flat power time periods, in the peak power time period as the flat power charging time period; the valley power charging time period is the time period when the charging pile outputs electric energy in the valley power time period, the peak power charging time period is the time period when the charging pile outputs electric energy in the peak power time period, and the flat power charging time period is the time period when the charging pile outputs electric energy in the flat power time period.
For the embodiment of the application, the peak-valley time sharing meter divides the time period of power supply of the power grid into a peak power distribution time period, a flat power distribution time period and a valley power distribution time period, for example, the peak power distribution time period is 07:00-11:00 and 19:00-23:00, the flat power distribution time period is 11:00-19:00, and the valley power distribution time period is 23: 00-07:00 the next day.
In one case, when the preset charging period is 18: 00-next day 06: when the peak-to-valley electricity time is 00, the controller of the charging pile divides a preset charging time period (18: 00-day 06: 00) into a flat electricity time period of 18:00-19:00, a peak electricity time period of 19:00-23:00 and a valley electricity time period of 23: 00-day 6:00 according to a peak-to-valley electricity time-sharing schedule. The preset charging degree is 6 kilowatt hours, the rated power is 3 kilowatts, the rated charging time is 2 hours, the duration of a valley power time period (23: 00-6: 00 days) is 7 hours, the rated charging time (2 hours) is less than the duration (7 hours) of the valley power time period (23: 00-6: 00 days), the time periods of electric energy output by the charging piles are all selected from the valley power time period (23: 00-6: 00 days), and the total duration of the time periods of electric energy output by the charging piles is equal to the rated charging time (2 hours).
In another case, the preset charging degree is 6 kilowatt hours, the rated power is 3 kilowatts, the rated charging time is 2 hours, the preset charging time period is 12:00-16:00, the controller peak-valley power time-sharing table of the charging pile divides the preset charging time period (12: 00-16: 00) into the flat charging time periods (12: 00-16: 00), only the flat charging time period is set as the preset charging time period is located in the flat charging time periods (11: 00-19: 00), and the controller of the charging pile selects the time period with the total time length of 2 hours from the flat charging time periods (12: 00-16: 00) to be set as the flat charging time period.
In another case, the preset charging degree is 6 kilowatt hours, the rated power is 3 kilowatts, the rated charging time is 2 hours, the preset charging time period is 06:00-09:00, and the controller of the charging pile divides the preset charging time period (06: 00-08: 00) into a valley power time period (06: 00-07: 00) and a peak power time period (07: 00-09: 00) according to a preset peak-to-valley power time sharing table. Because the duration (1 h) of the valley power time period (06: 00-07: 00) is less than the rated charging duration (2h), and no flat power time period exists, the controller of the charging pile sets the time period with the total time of 1h in the peak power time period (07: 00-09: 00) as the peak power charging time period, sets the valley power time period (06: 00-07: 00) as the valley power charging time period, and the total duration of the valley power charging time period plus the total duration of the peak power charging time period is equal to the rated charging duration.
As another embodiment of a charging method for a charging pile, the charging method for a charging pile further includes finishing power output in a shortest time from when the charging pile starts outputting power according to a power supply pressure relief policy.
For the embodiment of the application, in one case, when the electric equipment needs to be charged in a time period with the total duration equal to 0.5h in a valley power time period (22: 00-23: 00), the controller of the charging pile sets the time period from 22:00 to 22:30 as the valley power charging time period and outputs electric energy in the time period from 22:00 to 22: 30.
In another case, when it is required to select a time period having a total duration equal to 1h among the peak power time periods (19: 00-22: 00) as the peak power charging time period and a time period having a total duration of 0.5h among the valley power time periods (22: 00-23: 00) as the valley power charging time period, the controller of the charging pile sets 19:00-20:00 is set as the peak power charging period and 22:00-22:30 is set as the valley power charging period.
Referring to fig. 4, as another embodiment of a charging method of a charging pile, the charging method of the charging pile includes the steps of:
step 301, receiving charging request information of a client, where the charging request information includes a preset charging degree and a preset charging time period.
And step 302, sending a load request to the power grid according to the charging request information.
And 303, receiving power information output by the power grid, and converting the power information into rated power when the charging pile outputs electric energy, wherein the power information is obtained by the power grid according to a load request and the self-openable capacity of the power grid.
And step 304, calculating the rated charging time according to the rated power and the preset charging degree.
And step 305, comparing whether the rated charging time is less than the time of the preset charging time period.
And S306, if not, controlling the charging pile to continuously output electric energy within a preset charging time period.
And S307, if yes, setting a time-sharing charging strategy according to the rated charging time, the preset charging time period and the power supply pressure time-sharing table and the power supply pressure relieving strategy.
And step S308, sending the time-sharing charging strategy to the client.
Step S309, determining whether a charging correction request sent by the client is received within a preset response time, where the charging correction request includes a correction charging time period.
And step S310, if not, controlling the charging pile to output electric energy according to the set time-sharing charging strategy. And the number of the first and second groups,
and step 311, if yes, controlling the charging pile to output electric energy in the charging correction time period according to the received charging correction request.
For the embodiment of the application, after the time-sharing charging strategy is set by the controller of the charging pile, the set time-sharing charging strategy is sent to the client for selection by a user, namely, the valley power charging time period and the peak power charging time period or the valley power charging time period, the flat power charging time period and the peak power charging time period are sent to the client, and the user confirms in an operation interface of the client. When the user confirms that the time-sharing charging strategy is adopted in the operation interface of the client or the operation is not carried out within the preset response time (such as 30S), the controller of the client does not send a charging correction request to the controller of the charging pile, and the controller of the charging pile controls the charging pile to output electric energy according to the time-sharing charging strategy. In another situation, the user does not adopt a time-sharing charging strategy to control the charging pile to output the electric energy, the user inputs a correction charging time period in an operation interface of the client, and the correction charging time period is the time period for the user to reset the output electric energy of the charging pile.
Referring to fig. 5, as another embodiment of a charging method of a charging pile, the charging method of the charging pile includes:
step S401, receiving charging request information of a client, wherein the charging request information comprises a preset charging degree.
And step S402, sending a load request to the power grid according to the charging request information.
And S403, receiving power information output by the power grid, and converting the power information into rated power when the charging pile outputs electric energy, wherein the power information is obtained by the power grid according to the load request and the self-openable capacity of the power grid.
And S404, calculating the rated charging time according to the rated power and the preset charging degree.
Step S405, according to the rated charging time and a preset power supply pressure time-sharing table, setting multiple groups of reference charging time periods according to a power supply pressure relieving strategy, and sending the multiple groups of reference charging time periods to a client, wherein each group of reference charging time periods at least comprises one reference charging time period.
In the embodiment of the application, the total time length is set to be equal to the rated charging time period to form a group of reference charging time periods according to the power supply pressure time-sharing table, the current time and the rated charging time length, and in each group of reference charging time periods, the proportion of the time periods with small power supply pressure of a power grid is larger than the proportion of the time periods with large power supply pressure of the power grid.
Step S406, determining whether the client selects one of the reference charging time periods as a time period for the charging pile to output electric energy.
And step S407, if so, controlling the charging pile to output electric energy in the reference charging time period selected by the client.
Step S408, if not, sending the rated charging time to the client; and receiving a self-set charging time period sent by the client, and controlling the charging pile to output electric energy in the self-set charging time period, wherein the self-set charging time period is a time period set by the client according to the rated charging time length.
In this embodiment, after the client sends the preset charging degree to the controller of the charging pile, the controller of the charging pile sets a total time length equal to a rated charging time period as a reference charging time period for a user to select according to the power supply pressure time-sharing meter, the current time and the rated charging time period, and the reference charging time period can relieve the power supply pressure of the power grid.
Based on the above method, an embodiment of the present application further discloses a charging system for a charging pile, where, with reference to fig. 6, the system includes the following modules:
a first receiving module 501, configured to receive charging request information of a client;
the first processing module 502 is configured to send a load request to a power grid, receive power information output by the power grid, convert the power information into a rated power when the charging pile outputs electric energy, and calculate a rated charging duration according to the rated power and a preset charging degree;
a first comparing module 503, comparing the rated charging with the duration of the preset charging time period;
the first control module 504 controls the charging pile to continuously output electric energy within a preset charging time period if the rated charging time period is greater than or equal to the preset charging time period; and if the rated charging time is less than the preset charging time, setting a peak power charging time period and a valley power charging time period according to the preset charging time period and a preset peak-valley timescale, and controlling the charging pile to output electric energy in the valley power charging time period and the peak power charging time period.
Referring to fig. 7, as another embodiment of a charging system for a charging pile, the charging system for a charging pile includes:
a second receiving module 601, configured to receive charging request information of a client, where the charging request information includes a preset charging degree;
the second processing module 602 is configured to send a load request to a power grid, receive power information output by the power grid, convert the power information into a rated power when the charging pile outputs electric energy, calculate a rated charging time according to the rated power and a preset charging degree, set multiple groups of reference charging time periods according to a power supply pressure mitigation strategy and a preset power supply pressure time sharing table, and send the multiple groups of reference charging time periods to a client, where each group of reference charging time periods at least includes one reference charging time period; and the number of the first and second groups,
the second control module 603 is configured to determine whether the client selects one of the reference charging time periods as a time period for the charging pile to output electric energy; if so, controlling the charging pile to output electric energy in the reference charging time period selected by the client; if not, the rated charging time is sent to the client, a self-set charging time period sent by the client is received, the charging pile is controlled to output electric energy in the self-set charging time period, and the self-set charging time period is a time period set by the client according to the rated charging time period.
The embodiment of the application also discloses computer equipment.
Specifically, the device comprises a memory and a processor, wherein the memory is stored with a computer program which can be loaded by the processor and executes any one of the charging methods of the charging pile.
The embodiment of the application also discloses a computer readable storage medium.
Specifically, the computer-readable storage medium stores a computer program that can be loaded by a processor and executes a charging method for a charging pile according to any one of the above methods, and includes, for example: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A charging method of a charging pile is characterized by comprising the following steps:
receiving charging request information of a client, wherein the charging request information comprises a preset charging degree and a preset charging time period;
sending a load request to a power grid according to the charging request information;
receiving power information output by a power grid, and converting the power information into rated power when the charging pile outputs electric energy, wherein the power information is obtained by the power grid according to the load request and the self-openable capacity of the power grid;
obtaining rated charging time according to the rated power and the preset charging degree;
comparing whether the rated charging time is less than the time of the preset charging time period or not; if not, controlling the charging pile to continuously output electric energy within the preset charging time period; if yes, setting a time-sharing charging strategy according to the rated charging time, a preset charging time period and a power supply pressure time-sharing table and a power supply pressure relieving strategy; and the number of the first and second groups,
and controlling the charging pile to output electric energy according to the time-sharing charging strategy.
2. The charging method of the charging pile according to claim 1, wherein the supply pressure time-sharing table is a peak-valley time-sharing table, and the setting method of the time-sharing charging strategy comprises:
dividing the preset charging time period into a peak power time period and a valley power time period according to the peak-valley time-sharing table; and the number of the first and second groups,
comparing whether the rated charging time is less than or equal to the total time of all the valley power time periods; if so, setting the time period of the electric energy output by the charging pile to be selected in the valley power time period; if not, setting all the valley power time periods as valley power charging time periods, and selecting a time period with the total time length equal to the difference value between the rated charging time length and the total time length of all the valley power time periods from the peak power time periods as a peak power charging time period;
the peak electricity charging time period is the time period when the charging pile outputs the electric energy in the peak electricity time period.
3. The charging method of the charging pile according to claim 1, wherein the power supply pressure time-sharing table is a peak-to-valley time-sharing table, and the setting method of the time-sharing charging strategy comprises the following steps:
dividing the preset charging time period into a peak power time period, a flat power time period and a valley power time period according to the peak-to-valley time sharing table;
comparing whether the rated charging time is less than or equal to the total time of all the valley power time periods; if so, setting the time period of the electric energy output by the charging pile to be selected in the valley power time period; if not, comparing whether the rated charging time is less than or equal to the sum of the total time of all the valley power time periods and the total time of all the flat power time periods;
if the rated charging time is less than or equal to the sum of the total time of all the valley power time periods and the total time of all the flat power time periods, setting all the valley power time periods as valley power charging time periods, and selecting a time period with the total time equal to the difference between the rated charging time and the total time of all the valley power time periods from the flat power time periods as a flat power charging time period; if not, setting all the valley power time periods as valley power charging time periods, setting all the flat power time periods as flat power charging time periods, and selecting a time period with the total time length equal to the total time length obtained by subtracting the total time length of all the valley power time periods from the rated charging time length and then subtracting the total difference value of the total time lengths of all the flat power time periods from the peak power time periods as the flat power charging time period;
the peak electricity charging time period is the time period when the charging pile outputs the electric energy in the peak electricity time period, and the flat electricity charging time period is the time period when the charging pile outputs the electric energy in the flat electricity time period.
4. The charging method for a charging pile according to claim 2 or 3, further comprising:
sending the time-sharing charging strategy set in claim 2 or 3 to the client; and the number of the first and second groups,
judging whether a charging correction request sent by a client is received within a preset response time, if not, controlling the charging pile to output electric energy according to the time-sharing charging strategy set in the claim 2 or 3; if so, controlling the charging pile to output electric energy in the charging correction time period according to the received charging correction request; the charge correction request includes a correction charge period.
5. The charging method for a charging pile according to any one of claims 1 to 4, further comprising: and finishing the electric energy output in the shortest time from the moment when the charging pile starts to output the electric energy according to the power supply pressure relieving strategy.
6. A charging method of a charging pile is characterized by comprising the following steps:
receiving charging request information of a client, wherein the charging request information comprises a preset charging degree;
sending a load request to a power grid according to the charging request information;
receiving power information output by a power grid, and converting the power information into rated power when the charging pile outputs electric energy, wherein the power information is obtained by the power grid according to the load request and the self-openable capacity of the power grid;
calculating rated charging time according to the rated power and a preset charging degree;
according to the rated charging time and a preset power supply pressure time-sharing table, setting a plurality of groups of reference charging time periods according to a power supply pressure relieving strategy, and sending the plurality of groups of reference charging time periods to a client, wherein each group of reference charging time periods at least comprises one reference charging time period; and the number of the first and second groups,
judging whether the client selects one group of the reference charging time periods as the time periods of the electric energy output by the charging pile; if so, controlling the charging pile to output electric energy in the reference charging time period selected by the client; if not, the rated charging time is sent to the client, a self-set charging time period sent by the client is received, the charging pile is controlled to output electric energy in the self-set charging time period, and the self-set charging time period is a time period set by the client according to the rated charging time period.
7. A charging system for a charging pile, comprising:
a first receiving module (501) for receiving charging request information of a client;
the first processing module (502) is used for sending a load request to a power grid, receiving power information output by the power grid, converting the power information into rated power when the charging pile outputs electric energy, and calculating rated charging time according to the rated power and a preset charging degree;
a first comparison module (503) for comparing the rated charging with the duration of the preset charging time period; and the number of the first and second groups,
the first control module (504) is used for controlling the charging pile to continuously output electric energy in the preset charging time period if the rated charging time period is greater than or equal to the preset charging time period; and if the rated charging time is shorter than the time of the preset charging time period, setting a time-sharing charging strategy according to the rated charging time, the preset charging time period and a preset power supply pressure time-sharing table and a power supply pressure relieving strategy.
8. A charging system for a charging pile, comprising:
the second receiving module (601) is used for receiving charging request information of the client, wherein the charging request information comprises a preset charging degree;
the second processing module (602) is used for sending a load request to a power grid, receiving power information output by the power grid, converting the power information into rated power when the charging pile outputs electric energy, calculating rated charging time according to the rated power and a preset charging degree, setting a plurality of groups of reference charging time periods according to a power supply pressure relieving strategy and a preset power supply pressure time sharing table, and sending the plurality of groups of reference charging time periods to a client, wherein each group of reference charging time periods at least comprises one reference charging time period; and the number of the first and second groups,
the second control module (603) is used for judging whether the client selects one of the reference charging time periods as a time period for outputting the electric energy by the charging pile; if so, controlling the charging pile to output electric energy in the reference charging time period selected by the client; if not, the rated charging time is sent to the client, a self-set charging time period sent by the client is received, the charging pile is controlled to output electric energy in the self-set charging time period, and the self-set charging time period is a time period set by the client according to the rated charging time period.
9. A computer device, characterized by: comprising a memory and a processor, said memory having stored thereon a computer program which is loaded by the processor and which executes the method according to any of the claims 1-6.
10. A computer-readable storage medium, in which a computer program is stored which can be loaded by a processor and which executes the method according to any one of claims 1 to 6.
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