WO2024067741A1 - Procédé et système de charge intelligente pour pile de charge, dispositif électronique et support de stockage - Google Patents

Procédé et système de charge intelligente pour pile de charge, dispositif électronique et support de stockage Download PDF

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Publication number
WO2024067741A1
WO2024067741A1 PCT/CN2023/122208 CN2023122208W WO2024067741A1 WO 2024067741 A1 WO2024067741 A1 WO 2024067741A1 CN 2023122208 W CN2023122208 W CN 2023122208W WO 2024067741 A1 WO2024067741 A1 WO 2024067741A1
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WO
WIPO (PCT)
Prior art keywords
soc value
energy replenishment
charging
current
charging pile
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PCT/CN2023/122208
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English (en)
Chinese (zh)
Inventor
李帅
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度普(苏州)新能源科技有限公司
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Publication of WO2024067741A1 publication Critical patent/WO2024067741A1/fr

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Classifications

    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
    • 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
    • H02J3/28—Arrangements for balancing of the load in a network by storage of energy
    • 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
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • 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

Definitions

  • the present disclosure relates to the technical field of energy storage charging piles, and more specifically, to an intelligent charging method, system, electronic device and storage medium for a charging pile.
  • charging piles are mainly installed in residential areas and shopping malls.
  • the charging piles are charged by the power grid. Specifically, the SOC value of the battery pack in the charging pile is detected to be less than a certain value. When the SOC value of the battery pack is detected to be less than a certain value, the charging piles are charged by the power grid. However, when the power grid is at its peak, charging the charging piles by the power grid will not only increase the burden on the power grid, but also increase the operating costs of the charging piles.
  • the charging pile can be charged according to the peak and trough periods of the power grid. That is, the peak power consumption period can be staggered to charge the charging pile.
  • this method reduces the load on the power grid to a certain extent, when the power in the charging pile is lower than the normal operating power, it is easy to cause the charging pile to malfunction.
  • the present disclosure provides an intelligent charging method, system, electronic device and storage medium for a charging pile, so as to reduce the burden on the power grid, reduce the operating cost of the charging pile, and ensure that the charging pile has enough power to maintain normal operation, thereby avoiding failure of the charging pile.
  • the first aspect of the present disclosure discloses an intelligent charging method for a charging pile, which is applied to an intelligent charging system for a charging pile.
  • the intelligent charging system includes an EMS, a TBox, and a cloud platform.
  • the method includes:
  • the cloud platform obtains the charging pile information of the charging piles under the coverage of the power grid; the charging pile information of the charging piles includes the current discharge period, the current charging pack SOC value and the power grid load;
  • the cloud platform determines whether the current grid load period is a grid load peak period according to the grid load;
  • the cloud platform If the current grid load period is the grid load peak period, the cloud platform generates first energy replenishment configuration information according to the current charging pack SOC value and the preset first target energy replenishment stop SOC value, and sends the first energy replenishment configuration information to the EMS through the TBOX;
  • the power grid controls the charging pile to start charging from the current charging pack SOC value based on the first energy replenishment configuration information until the SOC value in the charging pack of the charging pile is equal to the first target energy replenishment stop SOC value; wherein the first target energy replenishment stop SOC value is the charging pack SOC value for the charging pile to maintain normal operation;
  • the EMS controls the grid to charge the charging pile until the charging pack SOC value of the charging pile reaches a second target energy replenishment stop SOC value; wherein the second target energy replenishment stop SOC value is greater than the first target energy replenishment stop SOC value, and the second target energy replenishment stop SOC value is set according to the grid load.
  • the method further includes:
  • the cloud platform determines whether the current discharge period is a non-discharge peak period
  • the cloud platform determines whether the current charging pack SOC value is less than a second energy replenishment start SOC value; wherein the second energy replenishment start SOC value is determined based on the discharge peak period of the charging;
  • the cloud platform If the current charging pack SOC value is less than the second energy replenishment start SOC value, and the current grid load period is the grid load peak period, the cloud platform generates third energy replenishment configuration information according to the current charging pack SOC value and the third target energy replenishment stop SOC value, and sends the third energy replenishment configuration information to the EMS through the TBOX; wherein the third target energy replenishment stop SOC value is determined based on the discharge data of the historical discharge peak period and the grid load segment;
  • the EMS When the EMS receives the third energy replenishment configuration information, it controls the power grid to charge the charging pile starting from the current charging pack SOC value based on the third energy replenishment configuration information until the SOC value in the charging pack of the charging pile is equal to the third target energy replenishment stop SOC value.
  • the method further includes:
  • the cloud platform If the current charging pack SOC value is less than the second energy replenishment start SOC value, and the current power grid load period is not the power grid load peak period, the cloud platform generates fourth energy replenishment configuration information according to the current charging pack SOC value and the preset fourth target energy replenishment stop SOC value, and sends the fourth energy replenishment configuration information to the EMS through the TBOX; wherein the fourth target energy replenishment stop SOC value is determined based on the discharge data of the historical discharge peak period;
  • the EMS When the EMS receives the fourth energy replenishment configuration information, it controls the power grid to charge the charging pile until the charging pack SOC value of the charging pile reaches a fourth target energy replenishment stop SOC value; wherein the fourth target energy replenishment stop SOC value is greater than the third target energy replenishment stop SOC value.
  • the method further includes:
  • the cloud platform determines whether the current charging pack SOC value is less than a third energy replenishment starting SOC value; wherein the third energy replenishment starting SOC value is determined based on the non-discharge peak period of the charging; the third energy replenishment starting SOC value is greater than the second energy replenishment starting SOC value;
  • the cloud platform If the current charging pack SOC value is less than the third energy replenishment start SOC value, and the current grid load period is the grid load peak period, the cloud platform generates the fifth energy replenishment configuration information according to the current charging pack SOC value and the preset fifth target energy replenishment stop SOC value, and sends the fifth energy replenishment configuration information to the EMS through the TBOX; wherein the fifth target energy replenishment stop SOC value is determined based on the discharge data of the non-discharge peak period and the grid load;
  • the EMS When the EMS receives the fifth energy replenishment configuration information, it controls the power grid to charge the charging pile starting from the current charging pack SOC value based on the fifth energy replenishment configuration information until the SOC value in the charging pack of the charging pile is equal to the fifth target energy replenishment stop SOC value.
  • the method further includes:
  • the cloud platform If the current charging pack SOC value is less than the third energy replenishment start SOC value, and the current power grid load period is not the power grid load peak period, the cloud platform generates the sixth energy replenishment configuration information according to the current charging pack SOC value and the preset sixth target energy replenishment stop SOC value, and sends the sixth energy replenishment configuration information to the EMS through the TBOX; wherein the sixth target energy replenishment stop SOC value is determined based on the discharge data of the non-discharge peak period;
  • the EMS When the EMS receives the sixth energy replenishment configuration information, it controls the power grid to charge the charging pile until the charging pack SOC value of the charging pile reaches the sixth target energy replenishment stop SOC value; wherein the fourth target energy replenishment stop SOC value is greater than the sixth target energy replenishment stop SOC value.
  • a second aspect of the present disclosure discloses an intelligent charging system for a charging pile, the intelligent charging system comprising an EMS, a TBOX and a cloud platform;
  • the cloud platform is used to obtain the charging pile information of the charging piles under the coverage of the power grid;
  • the charging pile information of the charging pile includes the current discharge period, the current charging pack SOC value and the power grid load; if the current charging pack SOC value is less than the first energy replenishment start SOC value, it is judged whether the current power grid load period is the power grid load peak period according to the power grid load; if the current power grid load period is the power grid load peak period, the first energy replenishment configuration information is generated according to the current charging pack SOC value and the preset first target energy replenishment stop SOC value, and the first energy replenishment configuration information is sent to the EMS through the TBOX; wherein, the first target energy replenishment stop SOC value is the charging pack SOC value of the charging pile to maintain normal operation;
  • the EMS is used to control the power grid when receiving the first energy replenishment configuration information, and charge the charging pile starting from the current charging pack SOC value based on the first energy replenishment configuration information until the SOC value in the charging pack of the charging pile is equal to the first target energy replenishment stop SOC value; if the current power grid load period is not the power grid load peak period, control the power grid to charge the charging pile until the charging pack SOC value of the charging pile reaches a second target energy replenishment stop SOC value; wherein, the second target energy replenishment stop SOC value is greater than the first target energy replenishment stop SOC value, and the second target energy replenishment stop SOC value is set according to the power grid load.
  • the cloud platform is also used to determine whether the current discharge period is a non-discharge peak period if the current discharge power is not less than the first energy replenishment start SOC value; if the current discharge period is not a non-discharge peak period, determine whether the current charging pack SOC value is less than the second energy replenishment start SOC value; wherein the second energy replenishment start SOC value is determined based on the discharge peak period of the charging; if the current charging pack SOC value is less than the second energy replenishment start SOC value, and the current grid load period is the grid load peak period, generate the third energy replenishment configuration information according to the current charging pack SOC value and the preset third target energy replenishment stop SOC value, and send the third energy replenishment configuration information to the EMS through the TBOX; wherein the third target energy replenishment stop SOC value is determined based on the discharge data of the historical discharge peak period and the grid load segment;
  • the EMS is further used to control the power grid when receiving the third energy replenishment configuration information, and to charge the charging pile starting from the current charging pack SOC value based on the third energy replenishment configuration information until the SOC value in the charging pack of the charging pile is equal to the third target energy replenishment stop SOC value.
  • the cloud platform is further configured to generate fourth energy replenishment configuration information according to the current charging pack SOC value and a preset fourth target energy replenishment stop SOC value if the current charging pack SOC value is less than the second energy replenishment start SOC value, and the current power grid load period is not the power grid load peak period, and send the fourth energy replenishment configuration information to the EMS through the TBOX; wherein the fourth target energy replenishment stop SOC value is determined based on the discharge data of the historical discharge peak period;
  • the EMS is also used to control the power grid to charge the charging pile when receiving the fourth energy replenishment configuration information until the charging pack SOC value of the charging pile reaches a fourth target energy replenishment stop SOC value; wherein the fourth target energy replenishment stop SOC value is greater than the third target energy replenishment stop SOC value.
  • the fourth aspect of the present disclosure discloses an electronic device, comprising: a processor and a memory, wherein the processor and the memory are connected via a communication bus; wherein the processor is used to call and execute a program stored in the memory; and the memory is used to store a program, wherein the program is used to implement the intelligent charging method for a charging pile as disclosed in the first aspect of the present disclosure.
  • the fourth aspect of the present disclosure discloses a computer-readable storage medium, in which computer-executable instructions are stored.
  • the computer-executable instructions are used to execute the intelligent charging method for the charging pile disclosed in the first aspect of the present disclosure.
  • the present disclosure provides a smart charging method, system, electronic device and storage medium for a charging pile, which is applied to a smart charging system for a charging pile.
  • the power grid is controlled to charge the charging pile until the charging pack SOC value of the charging pile reaches the second target energy replenishment stop SOC value, so that the battery pack of the charging pile has enough power to meet the charging needs of the vehicle.
  • FIG1 is a schematic diagram of the structure of an intelligent charging system for a charging pile provided by an embodiment of the present disclosure
  • FIG2 is a schematic diagram of a flow chart of a smart charging method for a charging pile provided in an embodiment of the present disclosure
  • FIG3 is a schematic diagram of a flow chart of another intelligent charging method for a charging pile provided in an embodiment of the present disclosure
  • FIG. 4 is a schematic diagram of the structure of an electronic device provided in an embodiment of the present disclosure.
  • relational terms such as first and second, etc. are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations.
  • the terms “comprise”, “include” or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
  • the elements defined by the statement “comprise a " do not exclude the presence of other identical elements in the process, method, article or device including the elements.
  • Telecommunications system TBox.
  • Energy Management System Energy Management System, EMS.
  • the intelligent charging system for the charging pile includes an EMS, a TBOX and a cloud platform.
  • the cloud platform is used to obtain the charging pile information of the charging piles under the coverage of the power grid;
  • the charging pile information of the charging pile includes the current discharge period, the current charging pack SOC value and the power grid load; if the current charging pack SOC value is less than the first energy replenishment start SOC value, it is determined whether the current power grid load period is the power grid load peak period according to the power grid load; if the current power grid load period is the power grid load peak period, the first energy replenishment configuration information is generated according to the current charging pack SOC value and the preset first target energy replenishment stop SOC value, and the first energy replenishment configuration information is sent to the EMS through the TBOX; wherein the first target energy replenishment stop SOC value is the charging pack SOC value for the charging pile to maintain normal operation;
  • the EMS is used to control the power grid when receiving the first energy replenishment configuration information, and start charging the charging pile from the current charging pack SOC value based on the first energy replenishment configuration information until the SOC value in the charging pack of the charging pile is equal to the first target energy replenishment stop SOC value; if the current power grid load period is not the power grid load peak period, control the power grid to charge the charging pile until the charging pack SOC value of the charging pile reaches the second target energy replenishment stop SOC value; wherein the second target energy replenishment stop SOC value is greater than the first target energy replenishment stop SOC value, and the second target energy replenishment stop SOC value is set according to the power grid load.
  • the intelligent charging system of the charging pile provided in the embodiment of the present disclosure also includes:
  • the cloud platform is used to determine whether the current discharge period is a non-discharge peak period if the current discharge power is not less than the first energy replenishment start SOC value; if the current discharge period is not a non-discharge peak period, determine whether the current charging pack SOC value is less than the second energy replenishment start SOC value; wherein the second energy replenishment start SOC value is determined based on the peak discharge period of charging; if the current charging pack SOC value is less than the second energy replenishment start SOC value, and the current grid load period is a grid load peak period, generate the third energy replenishment configuration information according to the current charging pack SOC value and the preset third target energy replenishment stop SOC value, and send the third energy replenishment configuration information to the EMS through TBOX; wherein the third target energy replenishment stop SOC value is determined based on the discharge data of the historical discharge peak period and the grid load segment;
  • the EMS is used to control the power grid when receiving the third energy replenishment configuration information, and start charging the charging pile from the current charging pack SOC value based on the third energy replenishment configuration information until the SOC value in the charging pack of the charging pile is equal to the third target energy replenishment stop SOC value.
  • the intelligent charging system of the charging pile provided in the embodiment of the present disclosure further includes:
  • the cloud platform is used for generating fourth energy replenishment configuration information according to the current charging pack SOC value and the preset fourth target energy replenishment stop SOC value if the current charging pack SOC value is less than the second energy replenishment start SOC value and the current power grid load period is not the power grid load peak period, and sending the fourth energy replenishment configuration information to the EMS through the TBOX; wherein the fourth target energy replenishment stop SOC value is determined based on the discharge data of the historical discharge peak period;
  • the EMS is used to control the power grid to charge the charging pile when receiving the fourth energy replenishment configuration information until the charging pack SOC value of the charging pile reaches a fourth target energy replenishment stop SOC value; wherein the fourth target energy replenishment stop SOC value is greater than the third target energy replenishment stop SOC value.
  • the intelligent charging system of the charging pile provided in the embodiment of the present disclosure further includes:
  • the cloud platform is used to determine whether the current charging pack SOC value is less than the third target energy replenishment starting SOC value if the discharge period is a non-discharge peak period; if the current charging pack SOC value is less than the third energy replenishment starting SOC value, and the current power grid load period is a power grid load peak period, generate the fifth energy replenishment configuration information according to the current charging pack SOC value and the preset fifth target energy replenishment stop SOC value, and send the fifth energy replenishment configuration information to the EMS through the TBOX; wherein, the third energy replenishment starting SOC value is determined based on the non-discharge peak period of charging; the third energy replenishment starting SOC value is greater than the second energy replenishment starting SOC value; wherein, the fifth target energy replenishment stop SOC value is determined based on the discharge data and power grid load during the non-discharge peak period;
  • the EMS is used to control the power grid when receiving the fifth energy replenishment configuration information, and start charging the charging pile from the current charging pack SOC value based on the fifth energy replenishment configuration information until the SOC value in the charging pack of the charging pile is equal to the fifth target energy replenishment stop SOC value.
  • the intelligent charging system of the charging pile provided in the embodiment of the present disclosure further includes:
  • the cloud platform is used for generating sixth energy replenishment configuration information according to the current charging pack SOC value and the preset sixth target energy replenishment stop SOC value if the current charging pack SOC value is less than the third energy replenishment start SOC value and the current power grid load period is not the power grid load peak period, and sending the sixth energy replenishment configuration information to the EMS through the TBOX; wherein the sixth target energy replenishment stop SOC value is determined based on the discharge data during the non-discharge peak period;
  • the EMS is used to control the power grid to charge the charging pile when receiving the sixth energy replenishment configuration information until the charging pack SOC value of the charging pile reaches the sixth target energy replenishment stop SOC value; wherein the fourth target energy replenishment stop SOC value is greater than the sixth target energy replenishment stop SOC value.
  • the present disclosure provides an intelligent charging system for a charging pile, which obtains the charging pile information of the charging pile under the coverage of the power grid through a cloud platform, and judges whether the current power grid load period corresponding to the power grid load in the charging pile information is a power grid load peak period when the current charging pack SOC value in the charging pile information is less than the first energy replenishment start SOC value; if the current power grid load period is a power grid load peak period, the first energy replenishment configuration information can be generated according to the current charging pack SOC value and the preset first target energy replenishment stop SOC value, and the power grid is controlled by EMS, and the charging pile is charged from the current charging pack SOC value based on the first energy replenishment configuration information until the SOC value in the charging pack of the charging pile is equal to the first target energy replenishment stop SOC value, so that the charging pile can maintain normal operation and avoid failure of the charging pile.
  • the power grid is controlled by EMS to charge the charging pile until the charging pack SOC value of the charging pile reaches the second target energy replenishment stop SOC value, so that the battery pack of the charging pile has enough power to meet the charging needs of the vehicle.
  • the embodiment of the present disclosure provides an intelligent charging method of the charging pile, as shown in FIG2 , the intelligent charging method of the charging pile specifically includes the following steps:
  • S201 The cloud platform obtains the charging pile information of the charging piles under the coverage of the power grid.
  • the charging pile information of each charging pile under the coverage of the power grid can be obtained through the cloud platform in the intelligent charging system of the charging device.
  • the charging pile information of each charging pile at least includes the current discharge period, the current charging pack SOC value of the charging pile and the power grid load.
  • the corresponding first energy replenishment start SOC value and the first target energy replenishment stop SOC value can be set according to the charging pack SOC value for the charging pile to maintain normal operation.
  • the first target energy replenishment stop SOC value is the charging pack SOC value for the charging pile to maintain normal operation.
  • the charging pack SOC value of the charging pile is less than the first energy replenishment starting SOC value, it means that the current charging pack SOC value of the charging pile is very low and can no longer maintain normal operation.
  • step S202 after the cloud platform obtains the charging pile information of each charging pile covered by the power grid, it can determine for each charging pile whether the current charging pack SOC value in the charging pile information of the charging pile is less than the first energy replenishment starting SOC; if it is determined that the current charging pack SOC value of the charging pile is less than the first energy replenishment starting SOC value, it means that the current charging pack of the charging pile is unable to maintain the normal operation of the charging pile. In order to prevent the charging pile from malfunctioning, the charging pile needs to be charged immediately.
  • the specific amount of electricity charged by the charging pile can be determined by first determining whether the power grid is currently in the peak load period of the power grid, that is, executing step S203.
  • the cloud platform determines whether the current grid load period is a grid load peak period based on the grid load; if the current grid load period is a grid load peak period, execute step S204; if the current grid load period is not a grid load peak period, execute step S206.
  • At least one peak period of the power grid may be determined based on analysis of historical power grid load data of the power grid.
  • the current power grid load period of the charging pile can be determined according to the power grid load in the charging pile information of the charging pile, and whether the current power grid load period belongs to the power grid load peak period. If the current power grid load period belongs to the power grid load peak period, it means that the current load of the power grid is high, and then step S204 can be executed. If the current power grid load period does not belong to the power grid load peak period, it means that the current load of the power grid is not high, and then step S206 can be executed.
  • the cloud platform generates first energy replenishment configuration information according to the current charging pack SOC value and a preset first target energy replenishment stop SOC value, and sends the first energy replenishment configuration information to the EMS through the TBOX.
  • the cloud platform determines that the current grid load period belongs to the peak grid load period, it means that the current load of the grid is high and cannot provide sufficient power for the charging pile. Then, the cloud platform can generate first energy replenishment configuration information according to the current charging pack SOC value of the charging pile and the pre-set first target energy replenishment stop SOC value, and send the first energy replenishment configuration information to the EMS through TBOX, so that the EMS can control the grid to charge the charging pile according to the received first energy replenishment configuration information.
  • the power grid controls the charging pile to start charging from the current charging pack SOC value based on the first energy replenishment configuration information until the SOC value in the charging pack of the charging pile is equal to the first target energy replenishment stop SOC value.
  • the first target energy replenishment stop SOC value is the charging pack SOC value that the charging pile needs to maintain normal operation.
  • the EMS can control the power grid to charge the corresponding charging pile based on the first energy replenishment configuration information, starting from the current charging pack SOC value, until the SOC value in the charging pack of the charging pile is equal to the first target energy replenishment stop SOC value, so that the charging pile has sufficient power to maintain normal operation.
  • the power grid load of the power grid can be further detected in real time through the cloud platform.
  • the power grid can be controlled by the EMS to charge the charging pile so that the charging pile has sufficient power grid to meet the charging needs of the vehicle.
  • S206 The EMS controls the power grid to charge the charging pile until the charging pack SOC value of the charging pile reaches the second target energy replenishment stop SOC value.
  • the second target energy replenishment stop SOC value is greater than the first target energy replenishment stop SOC value, and the second target energy replenishment stop SOC value is set according to the grid load.
  • the cloud platform determines that the current grid load period belongs to the peak grid load period, it means that the current load of the grid will be stable, and then the grid can be controlled through EMS to charge the charging pile until the charging pack SOC value of the charging pile reaches the second target energy replenishment stop SOC value, so that the charging pile has enough power to meet the charging needs of the vehicle.
  • the present disclosure provides an intelligent charging method for a charging pile, which is applied to an intelligent charging system of a charging pile, and obtains the charging pile information of the charging pile under the coverage of the power grid through a cloud platform, and when the current charging pack SOC value in the charging pile information is less than the first energy replenishment start SOC value, it is determined whether the current power grid load period corresponding to the power grid load in the charging pile information is the power grid load peak period; if the current power grid load period is the power grid load peak period, the first energy replenishment configuration information can be generated according to the current charging pack SOC value and the preset first target energy replenishment stop SOC value, and the power grid is controlled by EMS, and the charging pile is charged from the current charging pack SOC value based on the first energy replenishment configuration information until the SOC value in the charging pack of the charging pile is equal to the first target energy replenishment stop SOC value, so that the charging pile can maintain normal operation and avoid failure of the charging pile.
  • the power grid is controlled by EMS to charge the charging pile until the charging pack SOC value of the charging pile reaches the second target energy replenishment stop SOC value, so that the battery pack of the charging pile has enough power to meet the charging needs of the vehicle.
  • the embodiment of the present disclosure also provides another intelligent charging method of the charging pile, as shown in FIG3, which is applied to the intelligent charging system of the charging pile.
  • the intelligent charging method of the charging pile specifically includes the following steps:
  • S301 The cloud platform obtains the charging pile information of the charging piles under the coverage of the power grid.
  • the charging pile information of the charging pile includes the current discharge period, the current charging pack SOC value and the grid load.
  • the first energy replenishment start SOC value and the first target energy replenishment stop SOC value can be set according to the charging pack SOC value for the charging pile to maintain normal operation.
  • the first target energy replenishment stop SOC value is the charging pack SOC value for the charging pile to maintain normal operation.
  • the charging pack SOC value of the charging pile is less than the first energy replenishment starting SOC value, it means that the current charging pack SOC value of the charging pile is very low and can no longer maintain normal operation.
  • step S302 after the cloud platform obtains the charging pile information of each charging pile covered by the power grid, for each charging pile, it can determine whether the current charging package SOC value in the charging pile information of the charging pile is less than the first energy replenishment starting SOC; if it is determined that the current charging package SOC value of the charging pile is less than the first energy replenishment starting SOC value, it means that the current charging package of the charging pile is no longer enough to maintain the normal operation of the charging pile. In order to prevent the charging pile from malfunctioning, the charging pile needs to be charged immediately. However, due to the limited load of the power grid, the specific number of points for charging the charging pile can first determine whether the power grid is currently at the peak load period of the power grid, that is, execute step S303.
  • the current charging pack SOC value of the charging pile is not less than the first energy replenishment starting SOC value, it means that the power in the current charging pack of the charging pile can maintain normal operation, but it is impossible to determine whether the power in the charging pack meets the charging needs of the vehicle. Therefore, it can be further determined whether the current power bank SOC value of the charging pile meets the charging needs of the vehicle. Due to different discharge time periods, the charging pile can provide different amounts of power to the vehicle. According to different discharge time periods, the corresponding starting energy replenishment SOC value can be set, and then it can be determined to which discharge time period the current discharge time period of the charging pile belongs, that is, execute step S307.
  • the discharge time period can be divided into a non-discharge peak time period and a discharge peak time period.
  • the energy replenishment starting SOC value corresponding to the discharge peak time period can be the second non-starting SOC value; the energy replenishment starting SOC value corresponding to the non-discharge peak time period can be the third energy replenishment starting SOC value.
  • the second energy replenishment starting SOC value is set based on the discharge data of each discharge peak period and the charging demand of the vehicle.
  • the third energy replenishment starting SOC value is set based on the discharge data of each non-discharge peak period and the charging demand of the vehicle; it can be set according to actual application and is not limited in the embodiment of the present disclosure.
  • the electricity price during the non-discharge peak period is lower than that during the discharge peak period, so the energy replenishment starting SOC value set during the non-discharge peak period can be larger, so that the charging pile can be charged more in advance during the non-discharge peak period.
  • the third energy replenishment starting SOC value is greater than the second energy replenishment starting SOC value.
  • the cloud platform determines whether the current grid load period is a grid load peak period based on the grid load; if the current grid load period is a grid load peak period, execute step S304; if the current grid load period is not a grid load peak period, execute step S306.
  • the cloud platform generates first energy replenishment configuration information according to the current charging pack SOC value and the preset first target energy replenishment stop SOC value, and sends the first energy replenishment configuration information to the EMS through the TBOX.
  • the power grid controls the charging pile to start charging from the current charging pack SOC value based on the first energy replenishment configuration information until the SOC value in the charging pack of the charging pile is equal to the first target energy replenishment stop SOC value.
  • S306 The EMS controls the power grid to charge the charging pile until the charging pack SOC value of the charging pile reaches the second target energy replenishment stop SOC value.
  • steps S303 to S306 In the process of specifically executing steps S303 to S306, the execution process of steps S303 to S306 is the same as the specific execution process and implementation principle of steps S203 to S206 disclosed in FIG. 2 of the above-mentioned embodiment of the present disclosure. Please refer to the corresponding content in FIG. 2 disclosed in the above-mentioned embodiment of the present disclosure, and no further details will be given here.
  • the cloud platform determines whether the current discharge period is a non-discharge peak period; if the current discharge period is not a non-discharge peak period, execute step S308; if the discharge period is a non-discharge peak period, execute step S314.
  • each discharge period can be divided into a non-discharge peak period and a discharge peak period.
  • the cloud platform determines whether the current discharge period is a non-discharge peak period after determining that the current charging pack SOC value of the charging pile is not less than the first energy replenishment starting SOC value.
  • the current discharge period is not a non-discharge peak period, that is, the current discharge period is a discharge peak period, it can be further determined whether the SOC value of the current charging pack is less than the second energy replenishment SOC value, that is, step S308 is executed; if the current discharge period is a non-discharge peak period, it can be further determined whether the SOC value of the current charging pack is less than the third energy replenishment SOC value, that is, step S314 is executed.
  • the cloud platform determines whether the current charging pack SOC value is less than the second energy replenishment starting SOC value; if the current charging pack SOC value is less than the second energy replenishment starting SOC value, execute step S309.
  • the cloud platform can further determine whether the current charging pack SOC value of the charging pile is less than the second energy replenishment starting SOC value when it determines that the current charging pack SOC value of the charging pile is not less than the first energy replenishment starting SOC value and the current discharge period is not a non-discharge peak period. If the current charging pack SOC value of the charging pile is not less than the second energy replenishment starting SOC value, it means that the current power of the charging pile meets the charging needs of the vehicle, and the charging pile will not be charged.
  • the specific amount of power to be charged for the charging pile can be determined by first judging whether the current power grid load period belongs to the power grid load peak period; if the current power grid load period is the power grid load peak period, execute step S310; if the current power grid load period is not the power grid load peak period, execute step S312.
  • the cloud platform determines whether the current grid load period is a grid load peak period; if the current grid load period is a grid load peak period, execute step S310; if the current grid load period is not a grid load peak period, execute step S312.
  • the cloud platform generates third energy replenishment configuration information according to the current charging pack SOC value and the third target energy replenishment stop SOC value, and sends the third energy replenishment configuration information to the EMS through the TBOX.
  • the third target energy replenishment stop SOC value is determined based on the discharge data during the historical discharge peak period and the grid load segment.
  • step S310 when the cloud platform determines that the current grid load period belongs to the grid load peak period, it can determine the third target energy replenishment stop SOC value according to the current grid load of the grid and the discharge data of the historical discharge peak period, and then generate the third energy replenishment configuration information according to the current charging pack SOC value of the corresponding charging pile and the third target energy replenishment stop SOC value, and finally send the generated third energy replenishment configuration information to the EMS through TBOX, so that after receiving the third energy replenishment configuration information, the EMS controls the grid, and starts charging the charging pile from the current charging pack SOC value based on the third energy replenishment configuration information until the SOC value in the charging pack of the charging pile is equal to the third target energy replenishment stop SOC value, so that the charging pile has enough power to meet the charging needs of the vehicle.
  • S311 When the EMS receives the third energy replenishment configuration information, it controls the power grid to charge the charging pile starting from the current charging pack SOC value based on the third energy replenishment configuration information until the SOC value in the charging pack of the charging pile is equal to the third target energy replenishment stop SOC value.
  • the cloud platform generates fourth energy replenishment configuration information according to the current charging pack SOC value and a preset fourth target energy replenishment stop SOC value, and sends the fourth energy replenishment configuration information to the EMS through the TBOX.
  • the cloud platform determines that the current grid load period is not the grid load peak period, it indicates that the current load of the grid will be stable, and then the corresponding fourth target energy replenishment stop SOC value can be generated according to the discharge data of the historical discharge peak period, and the fourth energy replenishment configuration information can be sent to the EMS through the TBOX, so that when the EMS receives the fourth energy replenishment configuration information, it controls the power grid to charge the charging pile until the charging pack SOC value of the charging pile reaches the fourth target energy replenishment stop SOC value, so that the charging pile has sufficient power to meet the charging needs of the vehicle.
  • the fourth target energy replenishment stop SOC value may be greater than the third target energy replenishment stop SOC value. This may be set according to actual application, and the embodiment of the present disclosure is not limited thereto.
  • S314 The cloud platform determines whether the current charging pack SOC value is less than the third target energy replenishment starting SOC value; if the current charging pack SOC value is less than the third energy replenishment starting SOC value, execute step S315.
  • the cloud platform determines that the current charging pack SOC value of the charging pile is not less than the first energy replenishment starting SOC value and the current discharge period is a non-discharge peak period, it can further determine whether the current charging pack SOC value of the charging pile is less than the third energy replenishment starting SOC value. If the current charging pack SOC value of the charging pile is not less than the third energy replenishment starting SOC value, it means that the current power of the charging pile meets the charging needs of the vehicle, and the charging pile will not be charged.
  • the specific amount of power to charge the charging pile can be determined by first judging whether the current power grid load period belongs to the power grid load peak period; if the current power grid load period is the power grid load peak period, execute step S316; if the current power grid load period is not the power grid load peak period, execute step S318.
  • the cloud platform determines whether the current grid load period is a grid load peak period; if the current grid load period is a grid load peak period, execute step S316; if the current grid load period is not a grid load peak period, execute step S318.
  • the cloud platform generates fifth energy replenishment configuration information according to the current charging pack SOC value and the preset fifth target energy replenishment stop SOC value, and sends the fifth energy replenishment configuration information to the EMS through the TBOX.
  • the fifth target energy replenishment stop SOC value is determined based on the discharge data during the non-discharge peak period and the grid load.
  • the fifth target energy replenishment stop SOC value can be determined according to the current grid load of the power grid and the discharge data of the historical non-discharge peak period, and then the fifth energy replenishment configuration information can be generated according to the current charging pack SOC value of the corresponding charging pile and the fifth target energy replenishment stop SOC value, and finally the generated fifth energy replenishment configuration information is sent to the EMS through the TBOX, so that after receiving the fifth energy replenishment configuration information, the EMS controls the power grid and starts charging the charging pile from the current charging pack SOC value based on the fifth energy replenishment configuration information until the SOC value in the charging pack of the charging pile is equal to the fifth target energy replenishment stop SOC value, so that the charging pile has enough power to meet the charging needs of the vehicle.
  • the EMS When the EMS receives the fifth energy replenishment configuration information, it controls the power grid to charge the charging pile starting from the current charging pack SOC value based on the fifth energy replenishment configuration information until the SOC value in the charging pack of the charging pile is equal to the fifth target energy replenishment stop SOC value.
  • the cloud platform generates sixth energy replenishment configuration information according to the current charging pack SOC value and the preset sixth target energy replenishment stop SOC value, and sends the sixth energy replenishment configuration information to the EMS through the TBOX.
  • the sixth target energy replenishment stop SOC value is determined based on a non-discharging peak period.
  • the cloud platform determines that the current grid load period is not the grid load peak period, it indicates that the current load of the grid will be stable, and then the corresponding sixth target energy replenishment stop SOC value can be generated according to the discharge data of the historical non-discharge peak period, and the sixth energy replenishment configuration information can be sent to the EMS through the TBOX, so that when the EMS receives the sixth energy replenishment configuration information, it controls the power grid to charge the charging pile until the charging pack SOC value of the charging pile reaches the sixth target energy replenishment stop SOC value, so that the charging pile has enough power to meet the charging needs of the vehicle.
  • the fourth target energy replenishment stop SOC value is greater than the sixth target energy replenishment stop SOC value.
  • the sixth target energy replenishment stop SOC value may be greater than the fifth target energy replenishment stop SOC value. It may be set according to actual application, and the embodiment of the present disclosure is not limited thereto.
  • An embodiment of the present disclosure provides an electronic device, as shown in FIG4 , the electronic device includes a processor 401 and a memory 402, the memory 402 is used to store program codes and data for intelligent charging of a charging pile, and the processor 401 is used to call program instructions in the memory to execute the steps shown in the intelligent charging method for a charging pile in the above embodiment.
  • An embodiment of the present disclosure provides a storage medium, which includes a storage program, wherein when the program is running, a device where the storage medium is located is controlled to execute the intelligent charging method for the charging pile shown in the above embodiment.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

La présente divulgation concerne un procédé et un système de charge intelligente pour une pile de charge, ainsi qu'un dispositif électronique et un support de stockage. Le procédé est appliqué à un système de charge intelligente pour une pile de charge, le système comprenant un EMS, une TBOX et une plateforme en nuage. Le procédé comprend les étapes suivantes : lorsqu'il est déterminé que la valeur de SOC actuelle d'un bloc de charge dans des informations de pile de charge d'une pile de charge est inférieure à une première valeur de SOC initiale de réapprovisionnement en énergie, une plateforme en nuage détermine, en fonction d'une charge de réseau électrique, si la période de charge de réseau électrique actuelle est une période de pic de charge de réseau électrique ; si la période de charge de réseau électrique actuelle est une période de pic de charge de réseau électrique, la plateforme en nuage envoie, à un EMS au moyen d'une TBOX, des premières informations de configuration de réapprovisionnement en énergie, qui sont générées en fonction de la valeur de SOC actuelle du bloc de charge et d'une première valeur de SOC d'arrêt de réapprovisionnement en énergie cible prédéfinie ; l'EMS commande un réseau électrique pour démarrer la charge de la pile de charge à partir de la valeur de SOC actuelle du bloc de charge sur la base des premières informations de configuration de réapprovisionnement en énergie, jusqu'à ce que la valeur de SOC dans le bloc de charge de la pile de charge soit égale à la première valeur de SOC d'arrêt de réapprovisionnement en énergie cible ; et si la période de charge de réseau électrique actuelle n'est pas une période de pic de charge de réseau électrique, l'EMS commande le réseau électrique pour charger la pile de charge jusqu'à ce que la valeur de SOC du bloc de charge de la pile de charge atteigne une seconde valeur de SOC d'arrêt de réapprovisionnement en énergie cible.
PCT/CN2023/122208 2022-09-30 2023-09-27 Procédé et système de charge intelligente pour pile de charge, dispositif électronique et support de stockage WO2024067741A1 (fr)

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CN116455010A (zh) * 2022-09-30 2023-07-18 度普(苏州)新能源科技有限公司 充电桩的智能充电方法、***、电子设备及存储介质

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