A charging station charging and discharging control method, system, device and medium

Abstract

The application provides a charging station charging and discharging control method, system, device and medium. The control method comprises the following steps: obtaining charging and discharging information of a vehicle end, the charging and discharging information comprising a charging power upper limit, a discharging power lower limit and a real-time power, and calculating and generating a corresponding required charging total power based on the discharging power lower limit and the real-time power; the vehicle end comprises a first vehicle end and a second vehicle end, the first vehicle end is a vehicle end participating in discharging, and the second vehicle end is a vehicle end not participating in discharging; obtaining a total supply power of a transformer substation, and comparing the total supply power with the required charging total power; when the total supply power is greater than or equal to the required charging total power, charging the first vehicle end and / or the second vehicle end; when the total supply power is less than the required charging total power, sending a power increase request to the transformer substation, and / or controlling the first vehicle end to discharge. The application can realize real-time dynamic adjustment of power in the transformer substation.

Description

Technical Field

[0001] The present invention relates to the field of automobile technology, and in particular to a method, system, device and medium for controlling charging and discharging of a charging station. Background Art

[0002] my country's new energy vehicle industry is entering a period of rapid development. As the number of new energy vehicles continues to grow, the demand for charging is also increasing, which will place tremendous pressure on the operation of the power grid. Because new energy vehicles have large-capacity power batteries and are stationary most of the time, they have energy storage properties. Therefore, studying the "vehicle-grid interaction" between new energy vehicles and the power grid will help stimulate the regulation potential of new energy vehicles as flexible energy storage resources and enhance the grid's access and absorption capacity for clean energy.

[0003] However, existing charging piles can only charge electric vehicles. When the power supply in the substation is insufficient and there are many electric vehicles with a large amount of remaining power, they cannot meet the charging needs of other electric vehicles with lower remaining power. Therefore, there is room for improvement. Summary of the Invention

[0004] In view of the shortcomings of the prior art described above, the purpose of the present invention is to provide a charging and discharging control method, system, equipment and medium for a charging station, so as to solve the problem in the prior art that the charging needs of car owners cannot be met due to insufficient power in the substation area.

[0005] To achieve the above-mentioned and other related objectives, the present invention provides a method for controlling charging and discharging of a charging station, which is applied to a charging and discharging management platform. The charging and discharging management platform is communicatively connected with the vehicle terminal, the substation in the substation area, and the charging pile. The control method includes:

[0006] Obtaining charging and discharging information of the vehicle end, the charging and discharging information including an upper limit of charging power, a lower limit of discharging power, and a real-time power, and calculating and generating a corresponding just-demand charging total power based on the lower limit of discharging power and the real-time power, wherein the vehicle end includes a first vehicle end and a second vehicle end, the first vehicle end being a vehicle end participating in discharging, and the second vehicle end being a vehicle end not participating in discharging;

[0007] Obtaining the total power supplied by the transformer substation in the substation area, and comparing the total power supplied with the total power of the just-demand charging;

[0008] When the total supply power is greater than or equal to the total power of the just-demand charging, charging the first vehicle end and / or the second vehicle end;

[0009] When the total supply power is less than the total charging power required, a power increase request is sent to the substation in the area, and / or the first vehicle end is controlled to discharge.

[0010] In one embodiment of the present invention, the steps of obtaining charging and discharging information of a vehicle end, the charging and discharging information including an upper limit of charging power, a lower limit of discharging power, and a real-time power, and calculating and generating a corresponding just-demand charging total power based on the lower limit of discharging power and the real-time power, wherein the vehicle end includes a first vehicle end and a second vehicle end, the first vehicle end being a vehicle end participating in discharging, and the second vehicle end being a vehicle end not participating in discharging, include:

[0011] Obtain the upper limit of charging power, lower limit of discharging power and real-time power of the vehicle;

[0012] The vehicle end participating in the discharge is denoted as the first vehicle end, and the vehicle end not participating in the discharge is denoted as the second vehicle end;

[0013] Calculate the charging power of all first vehicle terminals whose real-time power levels are less than the lower limit of their discharge power levels, and represent the calculated power as a first charging power;

[0014] Calculate the charging power of all second vehicle terminals whose real-time power levels are less than their upper charging power limit, and represent the calculated power as a second charging power;

[0015] The first charging power and the second charging power are added together to obtain the just-needed charging total power.

[0016] In one embodiment of the present invention, when the total supply power is greater than or equal to the total power of the just-demand charging, the step of charging the first vehicle end and / or the second vehicle end includes:

[0017] When the total supply power is greater than or equal to the total power of the just-demand charging, charging the first vehicle end and the second vehicle end corresponding to the just-demand charging total power;

[0018] Calculate the charging power of all first vehicle terminals whose real-time power is less than their upper charging power limit and greater than their lower discharging power limit, and express it as the total other required power;

[0019] Determining whether the difference between the total supply power and the total power of the just-required charging is greater than the total power of other demands;

[0020] When the difference between the total supply power and the total power for just-demand charging is greater than the total power for other demands, charging the first vehicle terminal corresponding to the total power for other demands, and sending a power reduction request to the substation in the area;

[0021] When the difference between the total supply power and the total power of the just-required charging is less than or equal to the total power of other demands, the first vehicle end corresponding to the total power of other demands is charged in the order of small to large real-time power.

[0022] In one embodiment of the present invention, the step of sending a power reduction request to the substation includes:

[0023] Calculating the generated power reduction power according to the total supply power, the total just-demand charging power, and the total power of other demands;

[0024] According to the power reduction power, a power reduction request is sent to the substation.

[0025] In one embodiment of the present invention, when the total supply power is less than the total just-demand charging power, the step of sending a power increase request to the substation, and / or controlling the second vehicle end to discharge includes:

[0026] Calculate the discharge power of all first vehicle terminals whose real-time power is greater than the discharge power upper limit, and express it as the total discharge power;

[0027] Determining whether a difference between the just-demanded charging total power and the supplied total power is greater than the discharge total power;

[0028] When the difference between the just-demanded total charging power and the supplied total power is greater than the total discharge power, sending a power increase request to the substation in the area, and / or sending a discharge request to the corresponding first vehicle terminal;

[0029] When the difference between the just-required charging total power and the supplied total power is less than or equal to the discharge total power, a discharge request is sent to the corresponding first vehicle end.

[0030] In one embodiment of the present invention, the step of sending a power increase request to the substation includes:

[0031] Calculate and generate the power to be increased based on the just-required total charging power, the total supply power, and the total discharge power;

[0032] A power increase request is generated according to the power to be increased, and the power increase request is sent to the substation.

[0033] In one embodiment of the present invention, when the difference between the just-demanded charging total power and the supplied total power is less than or equal to the discharge total power, the step of sending a discharge request to the corresponding first vehicle terminal includes:

[0034] Calculating the difference between the total charging power required and the total supply power, and expressing it as the ready-to-discharge power;

[0035] According to the power to be discharged, part of the first vehicle end is selected for discharge.

[0036] The present invention also provides a charging and discharging control system for a charging station, comprising:

[0037] a power calculation module, configured to obtain charging and discharging information of the vehicle end, the charging and discharging information including the upper limit of charging power, the lower limit of discharging power, and the real-time power, and calculate and generate the corresponding just-demand charging total power based on the lower limit of discharging power and the real-time power. The vehicle end includes a first vehicle end and a second vehicle end, the first vehicle end being the vehicle end participating in discharging, and the second vehicle end being the vehicle end not participating in discharging;

[0038] A power comparison module is used to obtain the total power supplied by the transformer substation in the substation area and compare the total power supplied with the total power of the just-demand charging;

[0039] a charge and discharge control module, configured to charge the first vehicle end and / or the second vehicle end when the total supply power is greater than or equal to the total power of the just-required charging;

[0040] The charge and discharge control module is also used to send a power increase request to the substation in the substation area when the total supply power is less than the total charging power required, and / or control the first vehicle end to discharge.

[0041] The present invention also provides a computer device, characterized in that it includes a memory, a processor, and a computer program stored in the memory and running on the processor, and when the processor executes the computer program, it implements the steps of the charging and discharging control method of the charging station as described in any one of the above items.

[0042] The present invention also provides a computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the steps of the method for controlling charging and discharging of a charging station as described in any one of the above items are implemented.

[0043] As described above, the control method, system, equipment and medium for charging and discharging of a charging station of the present invention have the following beneficial effects: the present invention can realize the power interaction between the substation and the vehicle end, thereby realizing real-time dynamic adjustment of the power in the substation, so that when the power supply in the substation is insufficient, the charging demand of the vehicle end can be met by increasing the power through the power grid, and the discharge of electric vehicles that can participate in discharge and have higher real-time power can be controlled to meet the charging needs of other electric vehicles that cannot participate in discharge or have lower real-time power, while meeting the car owner's car use needs, and responding to the support needs of the power grid. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] Figure 1 Shown is a connection diagram of a charge and discharge management platform according to an embodiment of the present invention;

[0045] Figure 2 Display as Figure 1 Structural block diagram of the local structure in ;

[0046] Figure 3 A schematic flow chart showing a method for controlling charging and discharging of a charging station according to an embodiment of the present invention is shown;

[0047] Figure 4 A block diagram showing a control system for charging and discharging a charging station according to an embodiment of the present invention is shown;

[0048] Figure 5 Shown is a structural schematic diagram of an electronic device according to an embodiment of the present invention.

[0049] Component number description:

[0050] 10. Vehicle end; 11. Human-computer interaction interface; 12. First communication module; 13. First control module; 14. Bidirectional charger;

[0051] 20. Power grid;

[0052] 30. Charging and discharging pile; 31. Charging and discharging pile body; 32. Second communication module; 33. Second control module; 34. Bidirectional meter;

[0053] 40. Substation in the substation area; 50. Charging and discharging management platform;

[0054] 61. Power calculation module; 62. Power comparison module; 63. Charge and discharge control module.

[0055] 70. Electronic device; 71. Memory; 72. Processor. DETAILED DESCRIPTION

[0056] The following describes the embodiments of the present invention through specific examples. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments. The details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments can be combined with each other unless they conflict.

[0057] It should be noted that the illustrations provided in the following embodiments are merely schematic illustrations of the basic concept of the present invention. Therefore, the illustrations only show components related to the present invention and are not drawn according to the number, shape, and size of components in actual implementation. In actual implementation, the type, quantity, and proportion of each component may be changed arbitrarily, and the component layout may also be more complex.

[0058] In the following description, numerous details are discussed to provide a more thorough explanation of the embodiments of the present invention. However, it will be apparent to those skilled in the art that the embodiments of the present invention may be practiced without these specific details. In other embodiments, well-known structures and devices are shown in block diagram form rather than in detail to avoid obscuring the embodiments of the present invention.

[0059] The present invention provides a charging and discharging control method, system, device, and medium for charging stations. These methods utilize electric vehicle power batteries as distributed power sources within the power grid, enabling energy interaction between the grid and electric vehicles. This approach not only meets the needs of vehicle owners but also responds to the grid's support requirements. This is described in detail below through specific embodiments.

[0060] See also Figure 1 The charging and discharging control method of the charging station of the present invention can be applied to the charging and discharging management platform 50. This method realizes energy interaction between the vehicle-end 10 and the substation 40 by controlling the charging or discharging of the vehicle-end 10. Among them, the charging and discharging pile 30 can be electrically connected to the vehicle-end 10 for charging or drawing power from the vehicle-end 10. The substation 40 can be electrically connected to the power grid 20 for receiving power from the power grid 20 and supplying power to multiple charging and discharging piles 30. The charging and discharging management platform 50 is also communicatively connected to the substation 40 and the charging and discharging pile 30.

[0061] In this embodiment, the charge-discharge management platform 50 is used to obtain the total power supplied by the substation 40, calculate the total power required for charging of all vehicles 10 connected to the charging and discharging piles 30 that are not participating in discharge and whose real-time power is less than the lower limit of discharge power based on the real-time power of the vehicle-side terminals 10, and determine the charging strategy of the substation 40 based on the total power supplied and the total power required for charging. The charging strategy of the substation 40 may include, but is not limited to, prompting the substation 40 to charge the vehicle-side terminals 10 directly through the charging and discharging piles 30 when the total power supplied is greater than or equal to the total power required for charging. When the total power supplied is less than the total power required for charging, the charge-discharge management platform 50 sends a power increase request to the substation 40, or adjusts the discharge of the corresponding vehicle-side terminals 10 based on the upper and lower limits of the charge and discharge power of the vehicle-side terminals 10 connected to the charging and discharging piles 30. The substation 40 is also used to distribute and process the power added by the grid 20 or the power obtained from vehicle-side discharge to charge the vehicle-side terminals 10.

[0062] See also Figure 1In one embodiment of the present invention, the vehicle terminal 10 may further include, but is not limited to, a first communication module 12, a first control module 13, a bidirectional charger 14, and a power battery 15. The first communication module 12 may be used to transmit battery information, charging requests, and / or discharge requests from the vehicle terminal 10 to the charging and discharging station 30.

[0063] See also Figure 1 、 Figure 2 In one embodiment of the present invention, battery information may include the real-time power level, charging power limit, discharging power limit, charging power, and discharging power of the power battery 15 within the vehicle terminal 10. It should be noted that the charging power limit and discharging power limit of the power battery 15 may also be selected and determined by the user through the human-computer interaction interface 11. Therefore, the charging power limit and discharging power limit of the power battery 15 may be user-preset values. However, this is not limiting. To extend the service life of the power battery 15, the charging power limit and discharging power limit of the power battery 15 may also be preset fixed values. However, the charging power limit and discharging power limit of the power battery 15 corresponding to different vehicle terminals 10 may differ.

[0064] The first communication module 12 is also configured to receive a discharge request from the charging / discharging station 30 and transmit it to the first control module 13. The first control module 13 is configured to determine whether the power battery 15 is discharging and whether the real-time charge level of the power battery 15 is greater than the lower discharge limit. If the power battery 15 is discharging and the real-time charge level is greater than the lower discharge limit, the first control module 13 issues a discharge request to prompt the bidirectional charger 14 to discharge the power battery 15. Otherwise, the first control module 13 issues a charge request to prompt the bidirectional charger 14 to charge the power battery 15.

[0065] The bidirectional charger 14 can be electrically connected to the power battery 15 to convert the AC voltage of the charging / discharging station 30 into a DC voltage when the power battery 15 is charging, and transmit the DC voltage to the power battery 15 to charge the power battery 15. The bidirectional charger 14 is also used to invert the DC voltage of the power battery 15 into an AC voltage when the power battery 15 is discharging, and transmit the DC voltage directly to the charging / discharging station 30 to discharge the power battery 15.

[0066] See also Figure 1 and Figure 2In one embodiment of the present invention, the charging and discharging pile 30 may include but is not limited to a charging and discharging pile body 31 and a second communication module 32, and the second communication module 32 may be arranged in the charging and discharging pile body 31. There may be multiple charging and discharging pile bodies 31, and each charging and discharging pile body 31 can be used to charge or discharge the power battery 15 of the vehicle end 10 connected thereto. The second communication module 32 can be used to receive battery information, charging requests and / or discharge requests sent by the first communication module 12, and transmit them to the charging and discharging management platform 50. The second communication module 32 is also used to receive discharge requests from the charging and discharging management platform 50 and transmit them to the first communication module 12.

[0067] Furthermore, the charging and discharging pile 30 may also include a second control module 33 and a bidirectional meter 34. Both the second control module 33 and the bidirectional meter 34 may be disposed within the charging and discharging pile body 31. The second control module 33 may be communicatively connected to the first control module 13 so that when the plug of the charging and discharging pile 30 is inserted into the vehicle end 10, the second control module 33 may detect and control the control pilot signal (CP signal) and the charge control signal (CC signal) between the vehicle end 10 and the charging and discharging pile 30, thereby ensuring normal communication and power interaction between the vehicle end 10 and the charging and discharging pile 30.

[0068] It should be noted that the CP signal is a signal used to establish communication and control protocols between the vehicle end 10 and the charging and discharging pile 30. The CP signal can detect the physical connection status between the vehicle end 10 and the charging and discharging pile 30 to confirm whether they are properly connected. Once the connection is confirmed to be safe and correct, the CP signal is also used to initiate and maintain communication during the charging and discharging process. Through the CP signal, the vehicle end 10 and the charging and discharging pile 30 can negotiate technical parameters such as charging voltage and current to ensure the safety and efficiency of the charging process. Unlike the CP signal that provides communication and protocol management, the CC signal is more focused on controlling the actual charging process. It is used to control the actual charging current and discharging current to ensure that the charging and discharging processes can be safely charged according to the capacity of the power battery 15 and the charging equipment.

[0069] Furthermore, a bidirectional metering meter 34 can be set on the circuit between the bidirectional charger 14 and the substation 40 to measure the power transmitted from the substation 40 to the vehicle end 10 and the power discharged from the vehicle end 10 to the substation 40, so as to facilitate subsequent charging billing and discharging billing.

[0070] See also Figure 1 and Figure 2In one embodiment of the present invention, multiple substations 40 may be provided, and each substation 40 may be electrically connected to multiple charging and discharging piles 30, for receiving the discharged power from the multiple charging and discharging piles 30 in a discharging state and the grid power provided by the power grid 20, and distributing and processing the discharged power and the grid power provided by the power grid 20 to supply power to the charging charging and discharging piles 30. Furthermore, it should be noted that multiple substations 40 may be electrically connected to the same power grid 20, and multiple substations 40 may share a cloud service terminal 41 to adjust the power provided by the power grid 20 to the corresponding substation 40 based on power increase or power decrease requests.

[0071] See also Figure 1 and Figure 2 In one embodiment of the present invention, the charge and discharge management platform 50 may be a charge and discharge processing module disposed within the charge and discharge station 30. However, the charge and discharge management platform 50 is not limited thereto and may also be a computer device with an integrated processor independent of the charge and discharge station 30. The charge and discharge management platform 50 may be communicatively connected to the second communication module 32 within the charge and discharge station 30 to obtain the upper charge power limit, lower discharge power limit, and real-time power level from the second communication module 32.

[0072] Furthermore, the charge and discharge management platform 50 can also be used to obtain the total power supplied by the substation 40. That is, the total power supplied is the difference between the total power of the substation 40 and the power of other loads.

[0073] The charge-discharge management platform 50 can also be used to calculate the total charging power for all vehicles 10 connected to the charging and discharging pile 30 that are not participating in discharge and whose real-time power levels are less than the lower limit of discharge power based on the real-time power levels of the vehicles 10. In other words, the total charging power for all vehicles 10 that are not participating in discharge and whose real-time power levels are less than the lower limit of discharge power is calculated.

[0074] The charge-discharge management platform 50 is further configured to calculate, based on the real-time power level of the vehicle-side terminal 10, the total power requirements for all first vehicles connected to the charging / discharging pile 30 whose real-time power levels are less than the upper limit of the charging power level. Specifically, the total power requirements for all first vehicles whose real-time power levels are less than the upper limit of the charging power level are calculated.

[0075] The charge-discharge management platform 50 is further configured to calculate, based on the real-time power level of the vehicle terminal 10, the total discharge power of all first vehicle terminals connected to the charging and discharging pile 30 whose real-time power levels are greater than the lower discharge power limit. In other words, the total discharge power is the sum of the discharge powers of all first vehicle terminals whose real-time power levels are greater than the lower discharge power limit.

[0076] Furthermore, the charge-discharge management platform 50, based on the total supply power of the substation 40, the total power of the vehicle-end 10 for just-demand charging, the total power of other demands, and the total discharge power, is also used to determine the charging strategy of the substation 40 based on the total supply power and the total power of just-demand charging. That is, when the total supply power is greater than or equal to the total power of just-demand charging, the substation 40 is prompted to charge the vehicle-end 10 directly through the charging and discharging pile 30. When the total supply power is less than the total power of just-demand charging, a power increase request is sent to the substation 40 based on the upper and lower limits of the charging power of the vehicle-end 10 connected to the charging and discharging pile 30, or the corresponding vehicle-end 10 is adjusted to discharge.

[0077] It is worth further explaining that when the charge and discharge management platform 50 determines that the total supply power is greater than or equal to the total charging power for urgent needs, it means that the power provided by the substation 40 can meet the charging needs of all vehicle terminals 10 with urgent charging needs in the substation. Therefore, the charge and discharge management platform 50 can prompt the substation 40 to directly charge all second vehicle terminals whose real-time power is less than the lower limit of the discharge power through the charging and discharging piles 30.

[0078] Specifically, the charge and discharge management platform 50 is also used to determine the difference between the total supply power and the total charging power for just-needed charging and the total power of other demands when the total supply power is greater than or equal to the total power for just-needed charging. If the difference between the total supply power and the total charging power for just-needed charging is greater than the total power for other demands, it means that the power provided by the substation 40 can not only meet the charging needs of all the vehicle terminals 10 in the substation, but also have surplus power. Therefore, the charge and discharge management platform 50 can prompt the substation 40 to directly charge all the vehicle terminals 10 that need to be charged through the charging and discharging piles 30, and send a power reduction request to the substation 40 to control the substation 40 to reduce the power demand to just enough to meet the charging needs of all the vehicle terminals that need to be charged in the substation. The power reduction request includes a power reduction threshold, which is generated based on the total supply power, the total charging power for just-needed charging, and the total power of other demands. That is, the power reduction threshold can be the difference between the total supply power, the total charging power for just-needed charging, and the total power of other demands.

[0079] If the difference between the total power supplied and the total power for just-demand charging is less than or equal to the total power for other demands, it means that after the substation 40 has completed direct charging of all second-end vehicles whose real-time power is less than the lower limit of the discharge power, there is still excess power available for charging other end vehicles. Even if the remaining power may not be able to meet the charging needs of all other end vehicles to be charged. Therefore, the charge and discharge management platform 50 can prompt the substation 40 to charge the end vehicles 10 that meet the charging conditions in the order of the real-time power of the end vehicles 10 from small to large through the charge and discharge piles 30, and the charging condition is that the real-time power of the end vehicle 10 is less than the upper limit of the charging power.

[0080] It's worth further explaining that when the charge-discharge management platform 50 determines that the total supplied power is less than the total power required for just-in-time charging, the power provided by the substation 40 cannot meet the charging needs of all second-terminal vehicles in the substation whose real-time power levels are less than the lower discharge power limit. Therefore, the charge-discharge management platform 50 needs to send a power increase request to the substation 40, or adjust the discharge of the corresponding vehicle 10, based on the upper and lower charging power limits of the vehicle 10 connected to the charging and discharging pile 30, to increase the power supply of the substation 40, thereby meeting the charging needs of all vehicles 10 that meet the charging conditions.

[0081] The charge and discharge management platform 50 is also used to determine the difference between the just-needed charging total power and the supplied total power and the total discharge power when the total supply power is less than the just-needed charging total power. Among them, if the difference between the just-needed charging total power and the supplied total power is greater than the discharge total power, it means that even if all first vehicle ends whose real-time power is greater than the lower limit of the discharge power are discharged, the just-needed charging total power of all second vehicle ends whose real-time power is less than the lower limit of the discharge power cannot be met. Therefore, the charge and discharge management platform 50 needs to send a power increase request to the substation 40. The power increase request includes a power increase threshold, and the power increase threshold is generated based on the just-needed charging total power, the supplied total power and the discharged total power. Specifically, the power increase threshold can be the difference between the just-needed charging total power, the supplied total power and the discharged total power.

[0082] If the difference between the required total charging power and the supplied total power is less than or equal to the total discharge power, then discharging all first-vehicle terminals with real-time power levels greater than the discharge power lower limit can satisfy the required total charging power for all second-vehicle terminals with real-time power levels less than the discharge power lower limit. Therefore, the charge-discharge management platform 50 generates a discharge request based on the discharge request and sends it to the corresponding charging and discharging station 30 to control the discharge of the first-vehicle terminals.

[0083] See also Figure 1 and Figure 2In one embodiment of the present invention, the charge-discharge management platform 50 is further configured to randomly select multiple first vehicle terminals for discharge based on the required power difference when the difference between the total power of the just-demand charging and the total power of the supply is less than or equal to the total power of the discharge. The power difference is generated based on the total power of the just-demand charging and the total power of the supply. That is, the power difference is the difference between the total power of the just-demand charging and the total power of the supply.

[0084] However, the present invention is not limited thereto. The charge-discharge management platform 50 is further configured to sort all first vehicle terminals according to their corresponding dischargeable power values ​​from largest to smallest when the difference between the required total charging power and the supplied total power is less than or equal to the total discharge power, and sequentially select multiple first vehicle terminals for discharge based on the power difference required to be replenished. The dischargeable power value is the difference between the real-time power of the first vehicle terminal and the lower limit of the discharge power.

[0085] It should be noted that after the charge and discharge management platform 50 sorts the corresponding first vehicle terminals according to the dischargeable power value from large to small, it is also necessary to add the discharge powers of multiple corresponding first vehicle terminals in sequence according to the arrangement order until the sum of the multiple discharge powers obtained is equal to the power difference. The corresponding first vehicle terminal is then identified as the target discharge vehicle terminal, and a discharge request is sent to the target discharge vehicle terminal to adjust the corresponding vehicle terminal to discharge.

[0086] It should also be noted that after the substation 40 obtains the increased grid power from the grid 20 or the power obtained by discharging the vehicle end 10, it is necessary to distribute the power according to the difference between the real-time power of all vehicle ends to be charged and the upper limit of the charging power, so as to meet the charging needs of more vehicle ends 10 as much as possible.

[0087] See also Figure 3 In one embodiment of the present invention, a method for controlling charging and discharging of a charging station may include the following steps:

[0088] Step S100: Acquire charging and discharging information of the vehicle end, the charging and discharging information including the upper limit of charging power, the lower limit of discharging power, and the real-time power, and calculate and generate the corresponding just-demand charging total power based on the lower limit of discharging power and the real-time power. The vehicle end includes a first vehicle end and a second vehicle end, the first vehicle end being the vehicle end participating in discharging, and the second vehicle end being the vehicle end not participating in discharging;

[0089] Step S200: Obtain the total power supplied by the transformer substation in the substation area, and compare the total power supplied with the total power of the just-demand charging;

[0090] Step S300: When the total supply power is greater than or equal to the total charging power required for charging, charging the first vehicle end and / or the second vehicle end;

[0091] Step S400: When the total supply power is less than the total charging power required for charging, a power increase request is sent to the substation in the substation area, and / or the first vehicle end is controlled to discharge.

[0092] In one embodiment of the present invention, when step S100 is executed, the charging and discharging information of the vehicle side is obtained, and the charging and discharging information includes the upper limit of charging power, the lower limit of discharging power, and the real-time power. Based on the lower limit of discharging power and the real-time power, the corresponding just-demand charging total power is calculated and generated. The vehicle side includes a first vehicle side and a second vehicle side, the first vehicle side is the vehicle side participating in discharging, and the second vehicle side is the vehicle side not participating in discharging. Specifically, the following steps may be included:

[0093] Step S110: Obtain the upper limit of charging power, the lower limit of discharging power and the real-time power of the vehicle;

[0094] Step S120: The vehicle end participating in the discharge is represented as a first vehicle end, and the vehicle end not participating in the discharge is represented as a second vehicle end;

[0095] Step S130: Calculate the charging power of all first vehicle terminals whose real-time power levels are less than the lower limit of their discharge power levels, and represent the calculated power as a first charging power.

[0096] Step S140: Calculate the charging power of all second vehicle terminals whose real-time power levels are less than their upper charging power limit, and represent the calculated power as a second charging power.

[0097] Step S150: Add the first charging power and the second charging power to obtain the total charging power for basic charging.

[0098] In one embodiment of the present invention, when executing steps S110 to S120, specifically, the charging and discharging information of the corresponding vehicle terminal 10 is obtained via the charging and discharging device 30. The charging and discharging information may include a preset upper limit for charging power, a lower limit for discharging power, and real-time power. In this embodiment, the vehicle terminal 10 may include a first vehicle terminal and a second vehicle terminal, and the vehicle terminal 10 is an electric vehicle equipped with a power battery 15. The first vehicle terminal may be a vehicle terminal that participates in discharging, i.e., the first vehicle terminal is an electric vehicle capable of discharging. The second vehicle terminal may be a vehicle terminal that does not participate in discharging, i.e., the second vehicle terminal is an electric vehicle that does not participate in discharging and can only charge. It should be noted that the first vehicle terminal and the second vehicle terminal can be selected by the user through the human-computer interaction interface 11 within the vehicle terminal 10. Specifically, if the user selects the vehicle terminal 10 to participate in discharging, it is the first vehicle terminal. If the user selects the vehicle terminal 10 not to participate in discharging, it is the second vehicle terminal.

[0099] In one embodiment of the present invention, when executing steps S130 to S150, specifically, the charging power for all first vehicle terminals whose real-time power levels are less than their lower discharge power limit is first calculated and represented as a first charging power. Then, the charging power for all second vehicle terminals whose real-time power levels are less than their upper charge power limit is calculated and represented as a second charging power. Finally, the first and second charging powers are added together to obtain the total just-in-time charging power.

[0100] In one embodiment of the present invention, when step S200 is executed, the total power supplied by the substation is obtained and compared with the total power for just-in-time charging. Specifically, the total power supplied by the substation 40 is first obtained. The total power supplied represents the maximum power that the substation 40 can provide at the current moment. Then, the total power supplied is compared with the total power for just-in-time charging to determine the charging strategy for the substation 40.

[0101] In one embodiment of the present invention, when step S300 is executed, that is, when the total supply power is greater than or equal to the total power of the just-required charging, the first vehicle end and / or the second vehicle end is charged. Specifically, the following steps may be included:

[0102] Step S310: When the total supply power is greater than or equal to the total power for just-demand charging, charging the first vehicle end and the second vehicle end corresponding to the total power for just-demand charging is performed;

[0103] Step S320: Calculate the charging power of all first vehicle terminals whose real-time power is less than the upper limit of the charging power and greater than the lower limit of the discharging power, and express it as the total power required;

[0104] Step S330: Determine whether the difference between the total supply power and the total power for just-demand charging is greater than the total power for other demands;

[0105] Step S340: When the difference between the total supply power and the total charging power for the just-demanded charging is greater than the total power for other demands, charging the first vehicle corresponding to the total power for other demands is performed, and a power reduction request is sent to the substation in the substation area;

[0106] Step S350: When the difference between the total supply power and the total power for just-demand charging is less than or equal to the total power for other demands, the first vehicle end corresponding to the total power for other demands is charged in the order of real-time power from small to large.

[0107] In one embodiment of the present invention, when step S310 is executed, that is, when the total supply power is greater than or equal to the total power of just-demand charging, the first vehicle end and the second vehicle end corresponding to the total power of just-demand charging are charged. Specifically, first, when the total supply power is greater than or equal to the total power of just-demand charging, it indicates that the maximum power provided by the substation 40 at the current moment can meet the demand of the total power of just-demand charging. Therefore, the first vehicle end and the second vehicle end corresponding to the total power of just-demand charging can be directly charged, specifically the first vehicle end whose real-time power is less than the lower limit of its discharge power, and the second vehicle end whose real-time power is less than the upper limit of its charging power.

[0108] In one embodiment of the present invention, when steps S320 to S330 are executed, specifically, when the total supply power of the transformer substation 40 is greater than or equal to the total power of just-demand charging, it means that there is still surplus power in the total supply power, and other vehicle terminals can be charged at this time. First, the charging power of the first vehicle terminal of all vehicles whose real-time power is less than its upper limit of charging power and greater than its lower limit of discharging power is calculated, and expressed as the total power of other demands. Then, it is determined whether the difference between the total supply power and the total power of just-demand charging is greater than the total power of other demands, that is, whether the surplus power of the total supply power can meet the total power of other demands.

[0109] In one embodiment of the present invention, when step S340 is executed, that is, when the difference between the total supply power and the total power for just-demand charging is greater than the total power for other demands, the first vehicle-side terminal corresponding to the total power for other demands is charged, and a power reduction request is sent to the substation. When the difference between the total supply power and the total power for just-demand charging is greater than the total power for other demands, the first vehicle-side terminal corresponding to the total power for other demands may be charged. Furthermore, a power reduction request may be sent to the substation.

[0110] In this embodiment, sending a power reduction request to the substation in the substation area may include the following steps:

[0111] Step S341: Calculate the generated power reduction power based on the total supply power, the total power of the just-demand charging, and the total power of other demands;

[0112] Step S342: Generate a power increase request according to the power reduction power, and send the power reduction request to the substation.

[0113] In one embodiment of the present invention, when executing steps S341 to S342, specifically, first, based on the total power supplied, the total power for the rigid charging requirement, and the total power for other requirements, a power reduction power is calculated. That is, the remaining power after the total power supplied satisfies the rigid charging requirement and the total power for other requirements is calculated and recorded as the power reduction power. Then, based on the power reduction power, a power increase request is generated and sent to the substation 40 to notify the substation 40 to reduce the supplied power to achieve a balance between power usage and supply.

[0114] In one embodiment of the present invention, when step S400 is executed, that is, when the total supply power is less than the total charging power required, a power increase request is sent to the substation, and / or the first vehicle terminal is controlled to discharge. Specifically, the following steps may be included:

[0115] Step S410: Calculate the discharge power of all first vehicle terminals whose real-time power is greater than the upper limit of the discharge power, and express it as the total discharge power;

[0116] Step S420: Determine whether the difference between the just-demand charging total power and the supplied total power is greater than the discharge total power;

[0117] Step S430: When the difference between the just-demanded charging total power and the supplied total power is greater than the discharged total power, a power increase request is sent to the substation in the substation area, and / or a discharge request is sent to the corresponding first vehicle terminal;

[0118] Step S440: When the difference between the just-required charging total power and the supplied total power is less than or equal to the discharge total power, a discharge request is sent to the corresponding first vehicle end.

[0119] In one embodiment of the present invention, when executing steps S410 to S420, specifically, when the total supply power is less than the just-needed total charging power, that is, when the total supply power of the substation 40 cannot meet the just-needed total charging power, power can be taken from the first vehicle end, or the total supply power of the substation 40 can be increased. First, the discharge power of all first vehicle ends whose real-time power is greater than the upper limit of their discharge power is calculated and expressed as the total discharge power. Then, it is determined whether the difference between the just-needed total charging power and the total supply power is greater than the total discharge power, that is, whether the sum of the total supply power and the discharge power of all first vehicle ends can meet the just-needed total charging power.

[0120] In one embodiment of the present invention, when executing steps S430 to S440, specifically, when the total supplied power and the discharge power of all first vehicle terminals can meet the total power required for charging, a discharge request can be sent to the corresponding first vehicle terminal to obtain power. When the total supplied power and the discharge power of all first vehicle terminals cannot meet the total power required for charging, a power increase request can be sent to the substation in the substation area. At the same time, based on the actual power demand, it is determined whether to send a discharge request to the corresponding first vehicle terminal.

[0121] In this embodiment, sending a power increase request to a substation in a substation area may include the following steps:

[0122] Step S431: Calculate and generate the power to be increased based on the just-required total charging power, the total supply power, and the total discharge power;

[0123] Step S432: Generate a power increase request according to the power to be increased, and send the power increase request to the substation.

[0124] In one embodiment of the present invention, when executing steps S431 to S432, specifically, first, based on the just-demanded total charging power, the total supplied power, and the total discharged power, the required additional power from the substation 40 is calculated and recorded as the power to be increased. Then, based on the power to be increased, a power increase request is generated and sent to the substation 40 to notify the substation 40 to increase power supply to meet the power demand for the just-demanded total charging power.

[0125] In this embodiment, when the difference between the just-demanded total charging power and the supplied total power is less than or equal to the total discharge power, sending a discharge request to the corresponding first vehicle terminal may include the following steps:

[0126] Step S441: Calculate the difference between the total power required for charging and the total power supplied, and express it as the power to be discharged;

[0127] Step S442: Select part of the first vehicle terminals for discharge according to the power to be discharged.

[0128] In one embodiment of the present invention, when executing steps S441 to S442, specifically, when the difference between the just-needed total charging power and the supplied total power is less than or equal to the discharged total power, at this time, the power demand of the just-needed total charging power can be met by drawing power from some of the first vehicle terminals. In this step, first, the difference between the just-needed total charging power and the supplied total power is calculated and expressed as the power to be discharged. Then, based on the power to be discharged, some of the first vehicle terminals are selected for discharge. In this embodiment, some of the first vehicle terminals can be selected for discharge in order from large to small power.

[0129] See also Figure 4 The present invention also provides a charging and discharging control system for a charging station, which corresponds one-to-one with the control method in the above embodiment. The control system may include a power calculation module 61, a power comparison module 62, and a charge and discharge control module 63. The functional modules are described in detail as follows:

[0130] The power calculation module 61 can be used to obtain the charging and discharging information of the vehicle end, which includes the upper limit of charging power, the lower limit of discharging power, and the real-time power, and based on the lower limit of discharging power and the real-time power, calculate and generate the corresponding just-needed charging total power, wherein the vehicle end includes a first vehicle end and a second vehicle end, wherein the first vehicle end is the vehicle end participating in the discharge, and the second vehicle end is the vehicle end not participating in the discharge. Furthermore, the power calculation module 61 can be specifically used to obtain the upper limit of charging power, the lower limit of discharging power, and the real-time power of the vehicle end; denote the vehicle end participating in the discharge as the first vehicle end, and denote the vehicle end not participating in the discharge as the second vehicle end; calculate the charging power of all the first vehicle ends whose real-time power is less than their lower limit of discharging power, and denote it as the first charging power; calculate the charging power of all the second vehicle ends whose real-time power is less than their upper limit of charging power, and denote it as the second charging power; add the first charging power and the second charging power to obtain the just-needed charging total power.

[0131] The power comparison module 62 can be used to obtain the total power supplied by the substation and compare it with the total power for just-in-time charging. Furthermore, the power comparison module 62 can be specifically configured to first obtain the total power supplied by the substation 40. The total power supplied represents the maximum power that the substation 40 can currently provide. The total power supplied is then compared with the total power for just-in-time charging to determine the charging strategy for the substation 40.

[0132] The charge and discharge control module 63 can be used to charge the first vehicle end and / or the second vehicle end when the total supply power is greater than or equal to the total power of just-demand charging. Furthermore, the charge and discharge control module 63 can be specifically used to charge the first vehicle end and the second vehicle end corresponding to the total power of just-demand charging when the total supply power is greater than or equal to the total power of just-demand charging; calculate the charging power of all first vehicle ends whose real-time power is less than the upper limit of their charging power and greater than the lower limit of their discharging power, and express it as the total power of other demands; determine whether the difference between the total supply power and the total power of just-demand charging is greater than the total power of other demands; when the difference between the total supply power and the total power of just-demand charging is greater than the total power of other demands, charge the first vehicle end corresponding to the total power of other demands, and send a power reduction request to the substation; when the difference between the total supply power and the total power of just-demand charging is less than or equal to the total power of other demands, charge the first vehicle end corresponding to the total power of other demands in the order of real-time power from small to large.

[0133] The charge and discharge control module 63 is also used to send a power increase request to the substation when the total supply power is less than the just-demand charging total power, and / or control the first vehicle end to discharge. Further, the charge and discharge control module 63 can be specifically used to calculate the discharge power of all first vehicle ends whose real-time power is greater than the upper limit of their discharge power, and express it as the total discharge power; determine whether the difference between the just-demand charging total power and the supply total power is greater than the total discharge power; when the difference between the just-demand charging total power and the supply total power is greater than the total discharge power, send a power increase request to the substation, and / or send a discharge request to the corresponding first vehicle end; when the difference between the just-demand charging total power and the supply total power is less than or equal to the total discharge power, send a discharge request to the corresponding first vehicle end.

[0134] The specific definition of the charging and discharging control system of the charging station can be found in the definition of the control method above and will not be repeated here. Each module in the above control system can be implemented in whole or in part through software, hardware, or a combination thereof. Each of the above modules can be embedded in or independent of the processor in the computer device in hardware form, or can be stored in the memory of the computer device in software form, so that the processor can call and execute the corresponding operations of each of the above modules.

[0135] An embodiment of the present invention also provides an electronic device, comprising: one or more processors; a storage device for storing one or more programs, which, when executed by one or more processors, enables the electronic device to implement the charging and discharging control method of the charging station provided in the above-mentioned embodiments.

[0136] See also Figure 5 The electronic device 70 can include a memory 71, a processor 72, and a bus, and can further include a computer program, such as a control program for charging and discharging of the charging station, stored in the memory 71 and executable on the processor 72.

[0137] The memory 71 includes at least one type of readable storage medium, such as a flash memory, a mobile hard disk, a multimedia card, a card-type memory (e.g., an SD or DX memory, etc.), a magnetic memory, a disk, an optical disk, etc. In some embodiments, the memory 71 can be an internal storage unit of the electronic device 70, such as a mobile hard disk of the electronic device 70. In other embodiments, the memory 71 can also be an external storage device of the electronic device 70, such as a plug-in mobile hard disk, a smart media card (SMC), a secure digital (SD) card, a flash card, etc. Further, the memory 71 can include both an internal storage unit and an external storage device of the electronic device 70. The memory 71 can be used to store application software and various data installed in the electronic device 70, such as a code for controlling charging and discharging of the charging station, and can also be used to temporarily store data that has been output or will be output.

[0138] The processor 72 can be composed of an integrated circuit in some embodiments, such as a single packaged integrated circuit, or a plurality of packaged integrated circuits with the same or different functions, including one or more central processing units (CPUs), microprocessors, digital processing chips, graphics processors, combinations of various control chips, etc. The processor 72 is a control unit of the electronic device 70, and is connected to various components of the electronic device 70 through various interfaces and lines, and executes or runs programs or modules stored in the memory 71 (such as a program for correcting the capacity of the power battery, etc.), and calls data stored in the memory 71, to perform various functions of the electronic device 70 and process data.

[0139] The processor 72 executes an operating system and various application programs installed in the electronic device 70. The processor 72 executes the application programs to implement the steps in the above-described control method for charging and discharging of the charging station.

[0140] Exemplarily, the computer program may be divided into one or more modules, which are stored in the memory 71 and executed by the processor 72 to complete the present application. The one or more modules may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution process of the computer program in the electronic device 70. For example, the computer program may be divided into a power rate calculation module 101, a power comparison module 102, and a charge and discharge control module 103.

[0141] The above-mentioned integrated unit implemented in the form of a software functional module can be stored in a computer-readable storage medium, which can be non-volatile or volatile. The above-mentioned software functional module is stored in a storage medium and includes a number of instructions for causing a computer device (which can be a personal computer, computer equipment, or network equipment, etc.) or a processor to perform part of the functions of controlling the charging and discharging of the charging station described in various embodiments of the present application.

[0142] In summary, the present invention discloses a control method, system, device and medium for charging and discharging of a charging station, which can realize the power interaction between the substation and the vehicle end, so as to dynamically adjust the power in the substation in the substation in real time. When the power supply in the substation is insufficient, the charging demand of the vehicle end can be met by increasing the power through the power grid, or the charging demand of other electric vehicles that cannot participate in the discharge or have a low real-time power can be met by controlling the discharge of electric vehicles that can participate in the discharge and have a high real-time power. While meeting the needs of car owners for using the car, it responds to the support needs of the power grid. Therefore, the present invention effectively overcomes the various shortcomings of the existing technology and has a high industrial utilization value.

[0143] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the present invention. Anyone skilled in the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by one of ordinary skill in the art without departing from the spirit and technical principles disclosed herein are intended to be covered by the claims of the present invention.

Claims

1. A method for controlling charging and discharging of a charging station, characterized in that: Applied to the charge and discharge management platform, the charge and discharge management platform is connected to the vehicle end, the substation in the substation area, and the charging pile. The control method includes: Obtaining charging and discharging information of the vehicle end, the charging and discharging information including an upper limit of charging power, a lower limit of discharging power, and a real-time power, and calculating and generating a corresponding just-demand charging total power based on the lower limit of discharging power and the real-time power, wherein the vehicle end includes a first vehicle end and a second vehicle end, the first vehicle end being a vehicle end participating in discharging, and the second vehicle end being a vehicle end not participating in discharging; Obtaining the total power supplied by the transformer substation in the substation area, and comparing the total power supplied with the total power of the just-demand charging; When the total supply power is greater than or equal to the total power of the just-demand charging, charging the first vehicle end and / or the second vehicle end; When the total supply power is less than the total charging power required, a power increase request is sent to the substation in the area, and / or the first vehicle end is controlled to discharge.

2. The charging and discharging control method of a charging station according to claim 1, characterized in that: The steps of obtaining charging and discharging information of the vehicle end, the charging and discharging information including the upper limit of charging power, the lower limit of discharging power, and the real-time power, and calculating and generating the corresponding just-demand charging total power based on the lower limit of discharging power and the real-time power, wherein the vehicle end includes a first vehicle end and a second vehicle end, the first vehicle end is a vehicle end participating in discharging, and the second vehicle end is a vehicle end not participating in discharging, include: Obtain the upper limit of charging power, lower limit of discharging power and real-time power of the vehicle; The vehicle end participating in the discharge is denoted as the first vehicle end, and the vehicle end not participating in the discharge is denoted as the second vehicle end; Calculate the charging power of all first vehicle terminals whose real-time power levels are less than the lower limit of their discharge power levels, and represent the calculated power as a first charging power; Calculate the charging power of all second vehicle terminals whose real-time power levels are less than their upper charging power limit, and represent the calculated power as a second charging power; The first charging power and the second charging power are added together to obtain the just-needed charging total power.

3. The charging and discharging control method of a charging station according to claim 2, characterized in that: When the total supply power is greater than or equal to the total power of the just-demand charging, the step of charging the first vehicle end and / or the second vehicle end includes: When the total supply power is greater than or equal to the total power of the just-demand charging, charging the first vehicle end and the second vehicle end corresponding to the just-demand charging total power; Calculate the charging power of all first vehicle terminals whose real-time power is less than their upper charging power limit and greater than their lower discharging power limit, and express it as the total other required power; Determining whether the difference between the total supply power and the total power of the just-required charging is greater than the total power of other demands; When the difference between the total supply power and the total charging power required is greater than the total power required for other demands, charging the first vehicle terminal corresponding to the total power required for other demands, and sending a power reduction request to the substation in the area; When the difference between the total supply power and the total power of the just-required charging is less than or equal to the total power of other demands, the first vehicle end corresponding to the total power of other demands is charged in the order of small to large real-time power.

4. The charging and discharging control method of a charging station according to claim 3, characterized in that: The step of sending a power reduction request to the substation comprises: Calculating the generated power reduction power according to the total supply power, the total just-demand charging power, and the total power of other demands; According to the power reduction power, a power reduction request is sent to the substation.

5. The charging and discharging control method of a charging station according to claim 2, characterized in that: When the total supply power is less than the total charging power for just-demand, the step of sending a power increase request to the substation, and / or controlling the second vehicle end to discharge comprises: Calculate the discharge power of all first vehicle terminals whose real-time power is greater than the discharge power upper limit, and express it as the total discharge power; Determining whether a difference between the just-demanded charging total power and the supplied total power is greater than the discharge total power; When the difference between the just-demanded total charging power and the supplied total power is greater than the total discharge power, sending a power increase request to the substation in the area, and / or sending a discharge request to the corresponding first vehicle terminal; When the difference between the just-required charging total power and the supplied total power is less than or equal to the discharge total power, a discharge request is sent to the corresponding first vehicle end.

6. The method for controlling charging and discharging of a charging station according to claim 5, characterized in that: The step of sending a power increase request to the substation comprises: Calculate and generate the power to be increased based on the just-required total charging power, the total supply power, and the total discharge power; A power increase request is generated according to the power to be increased, and the power increase request is sent to the substation.

7. The method for controlling charging and discharging of a charging station according to claim 5, characterized in that: When the difference between the just-required charging total power and the supplied total power is less than or equal to the discharge total power, the step of sending a discharge request to the corresponding first vehicle terminal includes: Calculating the difference between the total charging power required and the total supply power, and expressing it as the ready-to-discharge power; According to the power to be discharged, part of the first vehicle end is selected for discharge.

8. A charging and discharging control system for a charging station, characterized in that: include: a power calculation module, configured to obtain charging and discharging information of the vehicle end, the charging and discharging information including the upper limit of charging power, the lower limit of discharging power, and the real-time power, and calculate and generate the corresponding just-demand charging total power based on the lower limit of discharging power and the real-time power. The vehicle end includes a first vehicle end and a second vehicle end, the first vehicle end being the vehicle end participating in discharging, and the second vehicle end being the vehicle end not participating in discharging; A power comparison module is used to obtain the total power supplied by the transformer substation in the substation area and compare the total power supplied with the total power of the just-demand charging; a charge and discharge control module, configured to charge the first vehicle end and / or the second vehicle end when the total supply power is greater than or equal to the total power of the just-required charging; The charge and discharge control module is also used to send a power increase request to the substation in the substation area when the total supply power is less than the total charging power required, and / or control the first vehicle end to discharge.

9. A computer device, characterized in that: The method comprises a memory, a processor, and a computer program stored in the memory and running on the processor, wherein when the processor executes the computer program, the steps of the method for controlling charging and discharging of a charging station according to any one of claims 1 to 7 are implemented.

10. A computer-readable storage medium, characterized in that The computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the steps of the method for controlling charging and discharging of a charging station according to any one of claims 1 to 7 are implemented.

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