Electric vehicle charging and discharging management method and device

Abstract

The present disclosure relates to the field of vehicle technology, and discloses a method, apparatus, computer equipment, and storage medium for managing charging and discharging of an electric vehicle. The method comprises: when it is detected that the electric vehicle is connected to a discharge gun and the power discharged by the electric vehicle is not less than an external discharge power threshold, displaying a first reminder message for reminding a user of the electric vehicle to determine whether the electric vehicle continues to discharge externally; when a first operation indicating that the user does not want the electric vehicle to continue to discharge externally is detected, stopping external discharge; when it is detected that the electric vehicle is connected to a charging gun and the charging device corresponding to the charging gun is a public charging pile, displaying a second reminder message for reminding the user to determine whether to continue locking the charging gun after charging of the electric vehicle is completed; and when a second operation indicating that the user determines not to continue locking the charging gun after charging of the electric vehicle is completed is detected, unlocking the charging gun after charging is completed.

Description

Technical Field

[0001] The present disclosure relates to the field of vehicle technology, and in particular to a method, device, computer equipment, and storage medium for managing charging and discharging of an electric vehicle. Background Art

[0002] Charging and discharging electric vehicles are common operations. Related technologies typically manage charging and discharging of electric vehicles by performing simple tasks such as identifying the plug type and monitoring whether charging is complete. These only consider common scenarios, resulting in a low level of refinement in the management of charging and discharging. Summary of the Invention

[0003] In view of this, embodiments of the present disclosure provide a method, apparatus, computer device, and storage medium for managing charging and discharging of an electric vehicle.

[0004] In a first aspect, an embodiment of the present disclosure provides a method for managing charging and discharging of an electric vehicle, the method comprising:

[0005] When it is detected that the electric vehicle is connected to the discharge gun and the power discharged by the electric vehicle is not less than the external discharge power threshold, a first reminder message is displayed to remind the user of the electric vehicle to determine whether the electric vehicle continues to discharge the electric vehicle;

[0006] When a first operation of the user instructing the electric vehicle not to continue discharging the electric vehicle is detected, discharging the electric vehicle to the outside is stopped;

[0007] When it is detected that the electric vehicle is connected to the charging gun and the charging device corresponding to the charging gun is a public charging pile, a second reminder message is displayed to remind the user to determine whether to continue locking the charging gun after charging of the electric vehicle is completed;

[0008] When the second operation of not continuing to lock the charging gun after charging of the electric vehicle is completed is detected, the charging gun is unlocked after charging of the electric vehicle is completed.

[0009] In one possible implementation, when it is detected that the electric vehicle is connected to the discharge gun and the power discharged by the electric vehicle is not less than the external discharge power threshold, before displaying a first reminder message for reminding the user to determine whether the electric vehicle continues to discharge, the method further includes:

[0010] When it is detected that the electric vehicle is connected to the discharge gun, a third reminder message is displayed to remind the user to determine whether to allow the electric vehicle to discharge externally;

[0011] When a third operation indicating that the user allows the electric vehicle to discharge the electric vehicle is detected, the electric vehicle is discharged to the outside.

[0012] In one possible implementation, the method further includes:

[0013] When it is detected that the electric vehicle is connected to the charging gun and the charging device corresponding to the charging gun is a home charging device, a fourth reminder message is displayed to remind the user to determine whether a reduced charging current of the charging gun needs to be set, wherein the reduced charging current is less than the allowable current of the charging gun;

[0014] When it is detected that the fourth operation of the user's instruction to determine that a reduced charging current of the charging gun needs to be set is performed, the reduced charging current of the charging gun is set.

[0015] In one possible implementation, setting the derating charging current of the charging gun includes:

[0016] Display multiple combination information and the derated charging current corresponding to each combination information in the multiple combination information, wherein the combination information includes: charging cable material and charging cable diameter;

[0017] The derating charging current of the charging gun is set to the derating charging current corresponding to the combination information selected by the user.

[0018] In one possible implementation, the method further includes:

[0019] When it is detected that the user's instruction determines that there is no need to set the fifth operation of the reduced charging current of the charging gun, during the charging of the electric vehicle, an environmental image of the environment in which the electric vehicle is currently located is collected by the camera of the electric vehicle to determine whether there is an abnormality related to charging, and when it is determined that there is an abnormality related to charging, charging of the electric vehicle is stopped.

[0020] In one possible implementation, the method further includes:

[0021] When it is detected that the electric vehicle is connected to the charging gun, an environmental image and operation record information of the environment in which the electric vehicle is currently located are stored, wherein the operation record information indicates the user operation performed by the user after the target reminder information is displayed, and the target reminder information is the second reminder information or the fourth reminder information;

[0022] After storing the environmental image and operation record information of the environment in which the electric vehicle is currently located, when the electric vehicle is detected to be connected to the charging gun again and the environmental image of the environment in which the electric vehicle is located when the electric vehicle is detected to be connected to the charging gun again matches the stored environmental image, an operation corresponding to the user operation is performed.

[0023] In a second aspect, an embodiment of the present disclosure provides a charge and discharge management device for an electric vehicle, which is installed on the electric vehicle. The charge and discharge management device for the electric vehicle includes:

[0024] a first reminder unit, configured to, when detecting that the electric vehicle is connected to the discharge gun and the power discharged by the electric vehicle is not less than the external discharge power threshold, display a first reminder message for reminding the user of the electric vehicle to determine whether the electric vehicle should continue to discharge the electric vehicle;

[0025] The first processing unit is configured to stop discharging the electric vehicle when detecting a first operation by the user instructing the electric vehicle not to continue discharging the electric vehicle;

[0026] A second reminder unit is configured to, when detecting that the electric vehicle is connected to the charging gun and the charging device corresponding to the charging gun is a public charging pile, display a second reminder message for reminding the user to determine whether to continue locking the charging gun after charging of the electric vehicle is completed;

[0027] The second processing unit is configured to unlock the charging gun after charging of the electric vehicle is completed when detecting the second operation of not continuing to lock the charging gun after charging of the electric vehicle is completed as indicated by the user.

[0028] In one possible implementation, the charge and discharge management device of the electric vehicle further includes:

[0029] The third processing unit is configured to, before displaying a first reminder message for reminding the user to determine whether the electric vehicle continues to discharge the electric vehicle, when it is detected that the electric vehicle is connected to the discharge gun and the power discharged by the electric vehicle is not less than an external discharge power threshold, display a third reminder message for reminding the user to determine whether to allow the electric vehicle to discharge the electric vehicle when it is detected that the electric vehicle is connected to the discharge gun; and perform external discharge when a third operation of the user indicating that the electric vehicle is allowed to discharge the electric vehicle is detected.

[0030] In one possible implementation, the charge and discharge management device of the electric vehicle further includes:

[0031] The fourth processing unit is used to display a fourth reminder message for reminding the user to determine whether it is necessary to set a reduced charging current for the charging gun when it is detected that the electric vehicle is connected to the charging gun and the charging device corresponding to the charging gun is a household charging device, wherein the reduced charging current is less than the allowable current of the charging gun; and when the fourth operation of the user's instruction to determine that the reduced charging current of the charging gun needs to be set is detected, the reduced charging current of the charging gun is set.

[0032] In one possible implementation, the fourth processing unit is further used to display multiple combination information and the reduced charging current corresponding to each combination information in the multiple combination information, wherein the combination information includes: charging cable material, charging cable wire diameter; and the reduced charging current of the charging gun is set to the reduced charging current corresponding to the combination information selected by the user.

[0033] In one possible implementation, the charge and discharge management device of the electric vehicle further includes:

[0034] The fifth processing unit is used to determine whether there is an abnormality related to charging when detecting the user's instruction to determine that there is no need to set the fifth operation of the reduced charging current of the charging gun, using the environmental image of the environment in which the electric vehicle is currently located captured by the camera of the electric vehicle during charging of the electric vehicle, and when it is determined that there is an abnormality related to charging, stop charging the electric vehicle.

[0035] In one possible implementation, the charge and discharge management device of the electric vehicle further includes:

[0036] The sixth processing unit is used to store the environmental image and operation record information of the environment in which the electric vehicle is currently located when it is detected that the electric vehicle is connected to the charging gun, wherein the operation record information indicates the user operation performed by the user after the target reminder information is displayed, and the target reminder information is the second reminder information or the fourth reminder information; after storing the environmental image and operation record information of the environment in which the electric vehicle is currently located, when the electric vehicle is detected to be connected to the charging gun again and the environmental image of the environment in which the electric vehicle is located when the electric vehicle is detected to be connected to the charging gun again matches the stored environmental image, perform an operation corresponding to the user operation.

[0037] In a third aspect, an embodiment of the present disclosure provides a computer device, comprising: a memory and a processor, the memory and the processor being communicatively connected to each other, computer instructions stored in the memory, and the processor executing the method of the first aspect or any corresponding embodiment thereof by executing the computer instructions.

[0038] In a fourth aspect, an embodiment of the present disclosure provides a computer-readable storage medium having computer instructions stored thereon, the computer instructions being used to enable a computer to execute the method of the first aspect or any corresponding embodiment thereof.

[0039] In a fifth aspect, the present invention provides a computer program product comprising computer instructions for causing a computer to execute the method of the first aspect or any corresponding embodiment thereof.

[0040] The electric vehicle charge and discharge management method provided in the embodiments of the present disclosure, on the one hand, takes into account the situation in which excessive discharge of the electric vehicle may lead to insufficient power in the electric vehicle. In the electric vehicle charge and discharge management method provided in the embodiments of the present disclosure, when it is detected that the electric vehicle is connected to the discharge gun and the power discharged by the electric vehicle is not less than the external discharge power threshold, a first reminder message is displayed to remind the user of the electric vehicle to determine whether the electric vehicle continues to discharge. When a first operation of the user instructing the electric vehicle not to continue to discharge is detected, the external discharge is stopped. This prevents the electric vehicle from excessively discharging and causing insufficient power in the electric vehicle. This improves the level of refinement of the management of electric vehicle charge and discharge.

[0041] On the other hand, the management of electric vehicle charging and discharging takes into account the following factors that contribute to the low utilization of public charging piles: when using a public charging pile to charge an electric vehicle, the corresponding charging gun of the public charging pile is connected to the electric vehicle. After charging of the electric vehicle is completed, the user of the electric vehicle may not promptly unlock the charging gun, resulting in the corresponding charging gun of the public charging pile remaining locked. After charging of the electric vehicle is completed, other users cannot remove the corresponding charging gun of the public charging pile, and other users cannot insert the corresponding charging gun of the public charging pile into the interface of other electric vehicles that is compatible with the corresponding charging gun of the public charging pile, making it impossible to use the public charging pile to charge other electric vehicles, resulting in low utilization of the public charging pile.

[0042] In the charging and discharging management method for electric vehicles provided in an embodiment of the present disclosure, when the user of the electric vehicle indicates that the second operation of locking the charging gun will not be continued after the charging of the electric vehicle is completed, the charging gun is unlocked after the charging of the electric vehicle is completed, thereby switching the charging gun from a locked state to a drawable state. After other users see the information indicating that the charging of the electric vehicle is completed displayed on the screen of the public charging pile corresponding to the charging gun, the other users can draw the charging gun, and the other users can insert the charging gun into the interface compatible with the charging gun on other electric vehicles, and charge the other electric vehicles through the public charging pile corresponding to the charging gun. Improve the utilization rate of public charging piles. Improve the level of refinement of the charging and discharging management of electric vehicles. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] In order to more clearly illustrate the specific embodiments of the present disclosure or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the specific embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present disclosure. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0044] Figure 1 is a flow chart of a method for managing charging and discharging of an electric vehicle provided by an embodiment of the present disclosure;

[0045] Figure 2 is a flow chart of another method for managing charging and discharging of an electric vehicle provided by an embodiment of the present disclosure;

[0046] Figure 3 This is a flowchart of an example of charge and discharge management for an electric vehicle;

[0047] Figure 4 It is a structural diagram of a computer device provided in an embodiment of the present disclosure. DETAILED DESCRIPTION

[0048] To make the purpose, technical solutions, and advantages of the embodiments of the present disclosure more clear, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings in the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, not all of the embodiments. Based on the embodiments of the present disclosure, all other embodiments obtained by those skilled in the art without making creative efforts shall fall within the scope of protection of the present disclosure.

[0049] refer to Figure 1 , which shows a flow chart of a method for managing the charging and discharging of an electric vehicle provided by an embodiment of the present disclosure. The method is executed by the electric vehicle. It should be noted that the method is executed by the electric vehicle. It should be noted that during any process of discharging or charging the electric vehicle, the type of the plug connected to the electric vehicle is detected to determine whether the plug connected to the electric vehicle is a discharge plug or a charge plug.

[0050] In step S101 , when it is detected that the electric vehicle is connected to the discharge gun and the power discharged by the electric vehicle is not less than the discharge power threshold, first reminder information is displayed to remind the user of the electric vehicle to determine whether the electric vehicle continues to discharge.

[0051] It should be noted that the electric vehicle may be any electric vehicle to which the method provided in the embodiments of the present disclosure can be applied.

[0052] The external discharge power threshold may be: the product of the maximum external discharge power of the electric vehicle and a preset percentage that is less than 1. The maximum external discharge power of the electric vehicle may be the rated external discharge power of the electric vehicle.

[0053] In a possible implementation, in step S101 , the central control screen of the electric vehicle may display first reminder information for reminding the user of the electric vehicle to determine whether the electric vehicle continues to discharge the electric vehicle.

[0054] In step S101 , first reminder information for reminding a user of the electric vehicle to determine whether the electric vehicle continues to discharge the electric vehicle may be displayed in a pop-up window displayed on a central control screen of the electric vehicle.

[0055] It should be noted that if an electric vehicle is connected to a discharge gun, before executing the charge and discharge management method for an electric vehicle provided by an embodiment of the present disclosure, the user of the electric vehicle inserts the discharge gun into an interface on the electric vehicle that is compatible with the discharge gun.

[0056] In the embodiment of the present disclosure, whether the plug gun connected to the electric vehicle is a discharge gun or a charge gun is identified by a unit for identifying the type of the plug gun of the electric vehicle.

[0057] In step S102 , when a first operation of the user of the electric vehicle instructing the electric vehicle not to continue discharging the electric vehicle is detected, the electric vehicle stops discharging the electric vehicle.

[0058] In step S102, the central control screen of the electric vehicle may display a first reminder message for prompting the user of the electric vehicle to determine whether the electric vehicle should continue to discharge the electric vehicle, a control indicating that the electric vehicle should continue to discharge the electric vehicle, such as a button named "Continue Discharging," and a control indicating that the electric vehicle should not continue to discharge the electric vehicle, such as a button named "Stop Discharging." The first operation by the user of the electric vehicle to instruct the electric vehicle not to continue discharging the electric vehicle may be: the user of the electric vehicle clicks the control indicating that the electric vehicle should not continue to discharge the electric vehicle.

[0059] In step S103, when it is detected that the electric vehicle is connected to the charging gun and the charging device corresponding to the charging gun is a public charging pile, a second reminder message is displayed to remind the user of the electric vehicle to determine whether to continue locking the charging gun after charging of the electric vehicle is completed.

[0060] The charging gun is a component of a charging device corresponding to the charging gun or the charging gun can be connected to the charging device corresponding to the charging gun.

[0061] It should be noted that if an electric vehicle is connected to a charging gun, before executing the method provided in the embodiment of the present disclosure, the user of the electric vehicle inserts the charging gun into an interface on the electric vehicle that is compatible with the charging gun.

[0062] In step S103, the central control screen of the electric vehicle may display a second reminder message prompting the user of the electric vehicle to determine whether to continue locking the charging gun after charging of the electric vehicle is completed, a control indicating that the charging gun should be locked after charging of the electric vehicle is completed, such as a button named "Continue Locking Charging Gun After Charging", and a control indicating that the charging gun should not be locked after charging of the electric vehicle is completed, such as a button named "Unlock Charging Gun After Charging". The second operation of the electric vehicle user instructing to determine not to continue locking the charging gun after charging of the electric vehicle is completed may be: the user of the electric vehicle clicks the control indicating that the charging gun should not be locked after charging of the electric vehicle is completed.

[0063] During the charging of the electric vehicle, the charging gun is in a locked state.

[0064] In one possible approach, the location of the electric vehicle when it is connected to the charging gun can be used to determine whether the charging device corresponding to the charging gun is a public charging station or a home charging device. The location of public charging stations within a certain range near the electric vehicle can be obtained from the map data of the in-vehicle navigation.

[0065] In another possible implementation, a charging current threshold for distinguishing between public charging piles and household charging devices can be pre-set. When the allowable current of the charging gun is not less than, that is, greater than or equal to, the charging current threshold for distinguishing between public charging piles and household charging devices, the charging device corresponding to the charging gun can be determined to be a public charging pile. When the allowable current of the charging gun is less than the charging current threshold, the charging device corresponding to the charging gun can be determined to be a household charging device. The allowable current of the charging gun can be determined based on the resistance value of a resistor inside the charging gun that is related to the allowable current of the charging gun.

[0066] It should be noted that the allowable current of the charging gun can be understood as: the rated charging current of the charging gun, that is, the maximum charging current marked by the manufacturer of the charging gun.

[0067] As an example, the charging current threshold used to distinguish between public charging piles and home charging devices is 32A. When the allowable current of the charging gun is ≥32A, it can be determined that the charging device corresponding to the charging gun is a public charging pile. When the allowable current of the charging gun is less than 32A, it can be determined that the charging device corresponding to the charging gun is a home charging device.

[0068] In step S104 , when it is detected that the user of the electric vehicle indicates that the second operation of not locking the charging gun after charging of the electric vehicle is completed is not continued, the charging gun is unlocked after charging of the electric vehicle is completed.

[0069] If the electric vehicle user indicates that the second locking operation of the charging gun is not to be continued after charging of the electric vehicle is completed, the charging gun is unlocked after charging of the electric vehicle is completed, thereby switching the charging gun from a locked state to a removable state. After other users see the message "charging completion for the electric vehicle" displayed on the screen of the public charging station corresponding to the charging gun, the other users can remove the charging gun and insert the charging gun into a compatible port on another electric vehicle, thereby charging the other electric vehicle through the corresponding public charging station. This improves the utilization rate of public charging stations.

[0070] refer to Figure 2 , which shows a flow chart of another electric vehicle charge and discharge management method provided by an embodiment of the present disclosure. The method is executed by the electric vehicle. It should be noted that during any process of discharging or charging the electric vehicle, the type of the plug connected to the electric vehicle is detected to determine whether the plug connected to the electric vehicle is a discharge plug or a charge plug.

[0071] In step S201, when it is detected that the electric vehicle is connected to the discharge gun and the power discharged by the electric vehicle is not less than the external discharge power threshold, first reminder information is displayed to remind the user of the electric vehicle to determine whether the electric vehicle continues to discharge.

[0072] In step S202 , when a first operation of the user of the electric vehicle instructing the electric vehicle not to continue discharging the electric vehicle is detected, discharging the electric vehicle is stopped.

[0073] In step S203, when it is detected that the electric vehicle is connected to the charging gun and the charging device corresponding to the charging gun is a public charging pile, a second reminder message is displayed to remind the user of the electric vehicle to determine whether to continue locking the charging gun after charging of the electric vehicle is completed.

[0074] In step S204 , when it is detected that the user of the electric vehicle indicates that the second operation of not locking the charging gun will be continued after charging of the electric vehicle is completed, the charging gun is unlocked after charging of the electric vehicle is completed.

[0075] In step S205, when it is detected that the electric vehicle is connected to the charging gun and the charging device corresponding to the charging gun is a household charging device, a fourth reminder message is displayed to remind the user of the electric vehicle to determine whether it is necessary to set the reduced charging current of the charging gun; when the user's instruction is detected to determine the fourth operation of setting the reduced charging current of the charging gun, the reduced charging current of the charging gun is set.

[0076] The derating charging current of the charging gun is less than the allowable current of the charging gun.

[0077] The derating charging current of the charging gun can be understood as: the upper limit value of the charging current of the charging gun set by the user of the electric vehicle.

[0078] In step S205, when the fourth operation of setting a reduced charging current for the charging gun is detected, the charging current input by the user of the electric vehicle may be received and set as the reduced charging current for the charging gun. Alternatively, a current selected by the user of the electric vehicle from a plurality of displayed candidate currents may be set as the reduced charging current for the charging gun.

[0079] In step S205, the central control screen of the electric vehicle may display a fourth reminder message prompting the user of the electric vehicle to determine whether to set a reduced charging current for the charging gun, a control indicating that the user needs to set a reduced charging current for the charging gun, such as a button named "Need to Set Reduced Charging Current," and a control indicating that the user does not need to set a reduced charging current for the charging gun, such as a button named "Do Not Need to Set Reduced Charging Current." The fourth operation of the user indicating that the reduced charging current for the charging gun needs to be set may be: the user of the electric vehicle clicks the control indicating that the user needs to set a reduced charging current for the charging gun.

[0080] In the embodiment of the present disclosure, a charging current upper limit value may be determined. The charging current upper limit value is: the maximum value of the charging current of the electric vehicle during the charging process of the electric vehicle. The charging current of the electric vehicle cannot exceed the charging current upper limit value.

[0081] In a possible implementation, the derated charging current of the charging gun may be determined as the upper limit of the charging current.

[0082] In another possible implementation, the lower limit of the charging current can be determined as the lower limit of the charging current. The reference current is one of the following: the rated charging current of the battery in the electric vehicle (i.e., the maximum current allowed by the battery in the electric vehicle); or the rated charging current of the charger in the electric vehicle.

[0083] In the disclosed embodiment, consideration is given to the situation where, during the process of charging an electric vehicle using a home charging device, if a high current equal to or slightly less than the allowable current of the charging gun is continuously used to charge the electric vehicle, the continued high current may cause the cable of the home charging device or the socket of the home charging device to overheat and catch fire. When a fourth operation is detected indicating that a user's instruction is required to set a reduced charging current for the charging gun, the reduced charging current of the charging gun is set, thereby avoiding the situation where the cable of the home charging device or the socket of the home charging device may overheat and catch fire during the process of charging the electric vehicle using the home charging device, thereby protecting the home charging device. This improves the safety of charging electric vehicles and enhances the refinement of the management of the charging and discharging of electric vehicles.

[0084] In one possible implementation, when the allowable current of the charging gun is less than a charging current threshold used to distinguish between a public charging pile and a home charging device, it can be determined that the charging device corresponding to the charging gun is a home charging device.

[0085] In one possible implementation, before displaying the first reminder message when it is detected that the electric vehicle is connected to the discharge gun and the power discharged by the electric vehicle is not less than the external discharge power threshold, the method further includes: step S200. In step S200, when it is detected that the electric vehicle is connected to the discharge gun, a third reminder message is displayed to remind the user of the electric vehicle to determine whether to allow the electric vehicle to discharge externally; and when the third operation of the user of the electric vehicle indicating permission for the electric vehicle to discharge externally is detected, external discharge is performed.

[0086] If the electric vehicle is connected to a discharge gun, before executing the electric vehicle charge and discharge management method provided by the embodiments of the present disclosure, the user of the electric vehicle inserts the discharge gun into a port on the electric vehicle compatible with the discharge gun. After the user inserts the discharge gun into the port on the electric vehicle compatible with the discharge gun, the electric vehicle can detect that the electric vehicle is connected to the discharge gun. A third reminder message prompting the user of the electric vehicle to determine whether to allow the electric vehicle to discharge externally can be displayed in a pop-up window on the central control screen of the electric vehicle. Upon detecting the third operation by the user of the electric vehicle indicating permission for the electric vehicle to discharge externally, the electric vehicle performs external discharge.

[0087] In the disclosed embodiment, when it is detected that the electric vehicle is connected to the discharge gun, the user of the electric vehicle can be reminded whether to allow the electric vehicle to discharge externally, thereby preventing the electric vehicle from accidentally discharging and improving the refinement of the charging and discharging management of the electric vehicle.

[0088] In one possible implementation, in step S205, setting the derated charging current of the charging gun includes: displaying multiple combination information and the derated charging current corresponding to each combination information in the multiple combination information, wherein the combination information includes: charging cable material and charging cable wire diameter; setting the derated charging current of the charging gun to the derated charging current corresponding to the combination information selected by the user of the electric vehicle.

[0089] For a combination information, the reduced charging current corresponding to the combination information is: when the charging cable material of the household charging device is the charging cable material in the combination information and the charging cable diameter of the household charging device is the charging cable diameter in the combination information, it is more suitable for the reduced charging current of the charging gun corresponding to the household charging device.

[0090] Typically, the user of the electric vehicle knows the material and diameter of the charging cable of the user's home charging device, and can select a reduced charging current corresponding to the material and diameter of the charging cable of the user's home charging device.

[0091] In the disclosed embodiments, different combination information and corresponding reduced charging currents can be provided to the user of the electric vehicle. This improves the convenience for the user of the electric vehicle in setting the reduced charging current and enhances the refined management of the electric vehicle's charging and discharging.

[0092] In step S206, if it is determined that the user's instruction does not require the fifth operation of setting a reduced charging current for the charging gun, step S2061 is executed. In step S2061, during charging of the electric vehicle, an environmental image of the electric vehicle's current environment, captured by the electric vehicle's camera, is used to determine whether there is an abnormality related to charging. If it is determined that there is an abnormality related to charging, charging of the electric vehicle is stopped.

[0093] As an example, situations such as smoke coming out of the charging device socket corresponding to the charging gun or a fire occurring are all abnormal situations related to charging.

[0094] In one possible implementation, a neural network trained for identifying abnormal situations can be used to determine whether there is an abnormal situation related to charging. The neural network trained for identifying abnormal situations can be any neural network that performs binary classification based on images. The trained neural network receives an input image and outputs a prediction result indicating the presence or absence of an abnormal situation. As an example, the trained neural network is a convolutional neural network (CNN), a deep neural network (DNN), etc. During the training of the neural network for identifying abnormal situations, the environmental image used for training is input into the neural network for identifying abnormal situations, and the loss between the prediction result output by the neural network for identifying abnormal situations and the label of the environmental image used for training is calculated, and the loss is used to update the parameters of the neural network for identifying abnormal situations. The label of the environmental image used for training indicates the presence or absence of an abnormal situation.

[0095] It should be noted that, during the charging of the electric vehicle, step S2061 may be performed periodically according to a preset cycle duration.

[0096] In a possible implementation, step S207 is further included. In step S207 - step S208.

[0097] In step S207, when it is detected that the electric vehicle is connected to the charging gun, the environmental image and operation record information of the environment in which the electric vehicle is currently located are stored, wherein the operation record information indicates the user operation performed by the user of the electric vehicle after the target reminder information is displayed, and the target reminder information is the second reminder information or the fourth reminder information.

[0098] The detection of the connection between the electric vehicle and the charging gun in step S203 is performed during the t-th charging of the electric vehicle. The current environment of the electric vehicle may refer to the environment of the electric vehicle during the t-th charging of the electric vehicle.

[0099] In step S208, after storing the environmental image and operation record information of the environment in which the electric vehicle is currently located, when the electric vehicle is detected to be connected to the charging gun again and the environmental image of the environment in which the electric vehicle is located when the electric vehicle is detected to be connected to the charging gun again matches the stored environmental image, that is, the environmental image of the environment in which the electric vehicle is currently located, an operation corresponding to the user operation is performed.

[0100] When it is detected again that the environmental image of the environment in which the electric vehicle is located when the electric vehicle is connected to the charging gun matches the stored environmental image, it can be regarded as: the electric vehicle is in the current environment again.

[0101] The detection of the connection between the electric vehicle and the charging gun in step S203 is performed during the t-th charging process of the electric vehicle, and the detection of the connection between the electric vehicle and the charging gun is performed during the t+1-th charging process of the electric vehicle.

[0102] If the target reminder information is a second reminder information for reminding the user of the electric vehicle to determine whether to continue locking the charging gun after charging of the electric vehicle is completed, and the user of the electric vehicle performs a second operation after the target reminder information is displayed, indicating that the user determines not to continue locking the charging gun after charging of the electric vehicle is completed, then the operation corresponding to the user operation may be unlocking the charging gun after charging of the electric vehicle is completed. The operation corresponding to the user operation is performed during the t+1th charging process of the electric vehicle.

[0103] If the target reminder information is the fourth reminder information for reminding the user of the electric vehicle to determine whether to set a reduced charging current for the charging gun, and the user operation performed by the user of the electric vehicle after the target reminder information is displayed is the fourth operation indicating the need to set a reduced charging current for the charging gun, the operation corresponding to the user operation may be setting a reduced charging current for the charging gun. The operation corresponding to the user operation is performed during the t+1th charging process of the electric vehicle.

[0104] If the target reminder information is the fourth reminder information for reminding the user of the electric vehicle to determine whether it is necessary to set the reduced charging current of the charging gun, and the user operation performed by the user of the electric vehicle after displaying the target reminder information is the fifth operation indicating that it is not necessary to set the reduced charging current of the charging gun, then the operation corresponding to the user operation may be: during the t+1th charging of the electric vehicle, using the environmental image of the environment in which the electric vehicle is located captured by the camera of the electric vehicle to determine whether there is an abnormality related to charging, and when it is determined that there is an abnormality related to charging, stopping charging of the electric vehicle.

[0105] In the disclosed embodiment, when the electric vehicle is again in the corresponding environment, the user operations related to charging the electric vehicle that were previously performed by the user of the electric vehicle when the electric vehicle was previously in the corresponding environment can be directly executed. When the electric vehicle is again in the corresponding environment, there is no need to remind the user of the electric vehicle again to determine whether to perform the user operations related to charging the electric vehicle, thereby simplifying the user operations of the electric vehicle and improving the level of refinement of the charging and discharging management of the electric vehicle.

[0106] refer to Figure 3 , which shows a flowchart of an example of charging and discharging management for an electric vehicle.

[0107] In this example, the user of the electric vehicle inserts the plug gun. After the user of the electric vehicle inserts the plug gun, the electric vehicle determines that the plug gun is connected to the electric vehicle. After the electric vehicle determines that the plug gun is connected to the electric vehicle, the electric vehicle determines that the plug gun is a charging gun or a discharging gun.

[0108] In this example, when the plug gun is a discharge gun and the power discharged by the electric vehicle is not less than the discharge power threshold, the user of the electric vehicle is prompted to determine whether the electric vehicle continues to discharge. If the user determines that the electric vehicle does not continue to discharge, the discharge is stopped.

[0109] In this example, if the plug is a charging gun and the allowable current of the charging gun is ≥32A, the user of the electric vehicle is prompted to determine whether to continue locking the charging gun after charging the electric vehicle is completed. If the plug is a charging gun and the allowable current of the charging gun is less than 32A, the user of the electric vehicle is prompted to determine whether to set a reduced charging current.

[0110] In this example, if a derated charging current is set, an upper limit of the charging current can be determined. If a derated charging current is not set, during charging of the electric vehicle, an environmental image of the electric vehicle's current environment, captured by the electric vehicle's camera, is used to determine whether there is an abnormality related to charging. If a abnormality related to charging is determined, charging of the electric vehicle is stopped.

[0111] The embodiments of the present disclosure provide a charge and discharge management device for an electric vehicle. The charge and discharge management device for an electric vehicle is installed on the electric vehicle, and the charge and discharge management device for an electric vehicle is used to implement the above-mentioned embodiments and preferred implementation modes, and those that have been described will not be repeated. As used below, the term "unit" can be a combination of software and / or hardware that implements a predetermined function. Although the devices described in the following embodiments are preferably implemented in software, implementation in hardware, or a combination of software and hardware, is also possible and conceivable.

[0112] The charge and discharge management device of the electric vehicle includes:

[0113] a first reminder unit, configured to, when detecting that the electric vehicle is connected to the discharge gun and the power discharged by the electric vehicle is not less than the external discharge power threshold, display a first reminder message for reminding the user of the electric vehicle to determine whether the electric vehicle should continue to discharge the electric vehicle;

[0114] The first processing unit is configured to stop discharging the electric vehicle when detecting a first operation by the user instructing the electric vehicle not to continue discharging the electric vehicle;

[0115] A second reminder unit is configured to, when detecting that the electric vehicle is connected to the charging gun and the charging device corresponding to the charging gun is a public charging pile, display a second reminder message for reminding the user to determine whether to continue locking the charging gun after charging of the electric vehicle is completed;

[0116] The second processing unit is configured to unlock the charging gun after charging of the electric vehicle is completed when detecting the second operation of not continuing to lock the charging gun after charging of the electric vehicle is completed as indicated by the user.

[0117] In one possible implementation, the charge and discharge management device of the electric vehicle further includes:

[0118] The third processing unit is configured to, before displaying a first reminder message for reminding the user to determine whether the electric vehicle continues to discharge the electric vehicle, when it is detected that the electric vehicle is connected to the discharge gun and the power discharged by the electric vehicle is not less than an external discharge power threshold, display a third reminder message for reminding the user to determine whether to allow the electric vehicle to discharge the electric vehicle when it is detected that the electric vehicle is connected to the discharge gun; and perform external discharge when a third operation of the user indicating that the electric vehicle is allowed to discharge the electric vehicle is detected.

[0119] In one possible implementation, the charge and discharge management device of the electric vehicle further includes:

[0120] The fourth processing unit is used to display a fourth reminder message for reminding the user to determine whether it is necessary to set a reduced charging current for the charging gun when it is detected that the electric vehicle is connected to the charging gun and the charging device corresponding to the charging gun is a household charging device, wherein the reduced charging current is less than the allowable current of the charging gun; and when the fourth operation of the user's instruction to determine that the reduced charging current of the charging gun needs to be set is detected, the reduced charging current of the charging gun is set.

[0121] In one possible implementation, the fourth processing unit is further used to display multiple combination information and the reduced charging current corresponding to each combination information in the multiple combination information, wherein the combination information includes: charging cable material, charging cable wire diameter; and the reduced charging current of the charging gun is set to the reduced charging current corresponding to the combination information selected by the user.

[0122] In one possible implementation, the charge and discharge management device of the electric vehicle further includes:

[0123] The fifth processing unit is used to determine whether there is an abnormality related to charging when detecting the user's instruction to determine that there is no need to set the fifth operation of the reduced charging current of the charging gun, using the environmental image of the environment in which the electric vehicle is currently located captured by the camera of the electric vehicle during charging of the electric vehicle, and when it is determined that there is an abnormality related to charging, stop charging the electric vehicle.

[0124] In one possible implementation, the charge and discharge management device of the electric vehicle further includes:

[0125] The sixth processing unit is used to store the environmental image and operation record information of the environment in which the electric vehicle is currently located when it is detected that the electric vehicle is connected to the charging gun, wherein the operation record information indicates the user operation performed by the user after the target reminder information is displayed, and the target reminder information is the second reminder information or the fourth reminder information; after storing the environmental image and operation record information of the environment in which the electric vehicle is currently located, when the electric vehicle is detected to be connected to the charging gun again and the environmental image of the environment in which the electric vehicle is located when the electric vehicle is detected to be connected to the charging gun again matches the stored environmental image, perform an operation corresponding to the user operation.

[0126] In this embodiment, the device is presented in the form of a functional unit, where the unit refers to an ASIC circuit, a processor and memory that executes one or more software or fixed programs, and / or other devices that can provide the above functions.

[0127] The further functional description of each of the above units is the same as that of the above corresponding embodiments and will not be repeated here.

[0128] refer to Figure 4 , which shows a schematic diagram of the structure of a computer device provided by an embodiment of the present disclosure, the computer device includes: one or more processors 10, a memory 20, and interfaces for connecting various components, including high-speed interfaces and low-speed interfaces. The various components are connected to each other using different buses for communication, and can be installed on a common motherboard or installed in other ways as needed. The processor can process instructions executed in the computer device, including instructions stored in or on the memory to display graphical information of the GUI on an external input / output device (such as a display device coupled to the interface). In some optional embodiments, if necessary, multiple processors and / or multiple buses can be used together with multiple memories and multiple memories. Similarly, multiple computer devices can be connected, and each device provides part of the necessary operations (for example, as a server array, a group of blade servers, or a multi-processor system).

[0129] The processor 10 may be a central processing unit, a network processor, or a combination thereof. The processor 10 may further include a hardware chip. The hardware chip may be an application-specific integrated circuit, a programmable logic device, or a combination thereof. The programmable logic device may be a complex programmable logic device, a field programmable gate array, a general purpose array logic, or any combination thereof.

[0130] The memory 20 stores instructions that can be executed by at least one processor 10, so that the at least one processor 10 executes the method shown in the above embodiment.

[0131] The memory 20 may include a program storage area and a data storage area, wherein the program storage area may store an operating system and application programs required for at least one function; the data storage area may store data created based on the use of the computer device, etc. In addition, the memory 20 may include a high-speed random access memory, and may also include a non-transient memory, such as at least one disk storage device, a flash memory device, or other non-transient solid-state storage device. In some optional embodiments, the memory 20 may optionally include a memory remotely located relative to the processor 10, and these remote memories may be connected to the computer device via a network. Examples of the above-mentioned network include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.

[0132] The memory 20 may include a volatile memory, such as a random access memory; the memory may also include a non-volatile memory, such as a flash memory, a hard disk or a solid-state drive; the memory 20 may also include a combination of the above types of memory.

[0133] The computer device further includes an input device 30 and an output device 40. The processor 10, the memory 20, the input device 30 and the output device 40 may be connected via a bus or other means.

[0134] The input device 30 can receive input digital or character information and generate key signal input related to user settings and function control of the computer device, such as a touch screen, a keypad, a mouse, a trackpad, a touch pad, an indicator stick, one or more mouse buttons, a trackball, a joystick, etc. The output device 40 can include a display device, an auxiliary lighting device (e.g., an LED), and a tactile feedback device (e.g., a vibration motor). The above-mentioned display device includes but is not limited to a liquid crystal display, a light emitting diode, a display, and a plasma display. In some optional embodiments, the display device can be a touch screen.

[0135] The embodiments of the present disclosure also provide a computer-readable storage medium. The above-mentioned method according to the embodiments of the present disclosure can be implemented in hardware, firmware, or implemented as a computer code that can be recorded in a storage medium, or implemented as a computer code that is originally stored in a remote storage medium or a non-temporary machine-readable storage medium and downloaded through a network and will be stored in a local storage medium, so that the method described herein can be stored in such software processing on a storage medium using a general-purpose computer, a dedicated processor, or programmable or dedicated hardware. Among them, the storage medium can be a magnetic disk, an optical disk, a read-only storage memory, a random access memory, a flash memory, a hard disk or a solid-state drive, etc.; further, the storage medium can also include a combination of the above-mentioned types of memory. It can be understood that a computer, a processor, a microprocessor controller or programmable hardware includes a storage component that can store or receive software or computer code. When the software or computer code is accessed and executed by a computer, a processor or hardware, the method shown in the above embodiment is implemented.

[0136] A portion of the embodiments of the present disclosure may be applied as a computer program product, such as a computer program instruction, which, when executed by a computer, can call or provide the method and / or technical solution according to the present invention through the operation of the computer. Those skilled in the art should understand that the form in which the computer program instruction exists in a computer-readable medium includes but is not limited to a source file, an executable file, an installation package file, etc., and accordingly, the way in which the computer program instruction is executed by the computer includes but is not limited to: the computer directly executes the instruction, or the computer compiles the instruction and then executes the corresponding compiled program, or the computer reads and executes the instruction, or the computer reads and installs the instruction and then executes the corresponding installed program. Here, the computer-readable medium may be any available computer-readable storage medium or communication medium accessible to the computer.

[0137] Although the embodiments of the present disclosure have been described with reference to the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present disclosure, and such modifications and variations are all within the scope defined by the appended claims.

Claims

1. A charge and discharge management method for an electric vehicle, characterized in that: The method comprises: When it is detected that the electric vehicle is connected to the discharge gun and the power discharged by the electric vehicle is not less than the external discharge power threshold, a first reminder message is displayed to remind the user of the electric vehicle to determine whether the electric vehicle continues to discharge the electric vehicle; When a first operation of the user instructing the electric vehicle not to continue discharging the electric vehicle is detected, stopping the discharge of the electric vehicle; When it is detected that the electric vehicle is connected to a charging gun and the charging device corresponding to the charging gun is a public charging pile, a second reminder message is displayed to remind the user to determine whether to continue locking the charging gun after charging of the electric vehicle is completed; When the second operation of the user indicating not to continue locking the charging gun after charging of the electric vehicle is completed is detected, the charging gun is unlocked after charging of the electric vehicle is completed.

2. The method according to claim 1, characterized in that When it is detected that the electric vehicle is connected to the discharge gun and the power discharged by the electric vehicle is not less than the external discharge power threshold, before displaying a first reminder message for reminding the user of the electric vehicle to determine whether the electric vehicle continues to discharge, the method further includes: When it is detected that the electric vehicle is connected to the discharge gun, a third reminder message is displayed to remind the user to determine whether to allow the electric vehicle to discharge externally; When a third operation indicating that the user allows the electric vehicle to discharge the electric vehicle is detected, the electric vehicle is discharged.

3. The method according to claim 1, characterized in that The method further comprises: When it is detected that the electric vehicle is connected to a charging gun and the charging device corresponding to the charging gun is a home charging device, a fourth reminder message is displayed to remind the user to determine whether a reduced charging current of the charging gun needs to be set, wherein the reduced charging current is less than the allowable current of the charging gun; When it is detected that the fourth operation of setting a reduced charging current of the charging gun is required according to the user's instruction, the reduced charging current of the charging gun is set.

4. The method according to claim 3, characterized in that Setting the derating charging current of the charging gun includes: Display multiple combination information and the derated charging current corresponding to each combination information in the multiple combination information, wherein the combination information includes: charging cable material and charging cable diameter; The derated charging current of the charging gun is set to the derated charging current corresponding to the combination information selected by the user.

5. The method according to claim 3, characterized in that The method further comprises: When it is detected that the user's instruction determines that the fifth operation of setting the reduced charging current of the charging gun is not necessary, during the charging of the electric vehicle, an environmental image of the environment in which the electric vehicle is currently located is collected by the camera of the electric vehicle to determine whether there is an abnormality related to charging, and when it is determined that there is an abnormality related to charging, charging of the electric vehicle is stopped.

6. The method according to any one of claims 1 to 5, characterized in that The method further comprises: When it is detected that the electric vehicle is connected to the charging gun, an environmental image and operation record information of the environment in which the electric vehicle is currently located are stored, wherein the operation record information indicates the user operation performed by the user after the target reminder information is displayed, and the target reminder information is the second reminder information or the fourth reminder information; After storing the environmental image and operation record information of the environment in which the electric vehicle is currently located, when the electric vehicle is detected to be connected to the charging gun again and the environmental image of the environment in which the electric vehicle is located when the electric vehicle is detected to be connected to the charging gun again matches the stored environmental image, an operation corresponding to the user operation is performed.

7. A charge and discharge management device for an electric vehicle, characterized in that: Installed on an electric vehicle, the device includes: a first reminder unit, configured to, when detecting that the electric vehicle is connected to the discharge gun and the power discharged by the electric vehicle is not less than a discharge power threshold, display a first reminder message for reminding the user of the electric vehicle to determine whether the electric vehicle continues to discharge; a first processing unit, configured to stop discharging the electric vehicle when detecting a first operation by the user instructing the electric vehicle not to continue discharging the electric vehicle; a second reminder unit, configured to, when detecting that the electric vehicle is connected to a charging gun and the charging device corresponding to the charging gun is a public charging pile, display a second reminder message for reminding the user to determine whether to continue locking the charging gun after charging of the electric vehicle is completed; The second processing unit is configured to unlock the charging gun after charging of the electric vehicle is completed when detecting the user's instruction to determine the second operation of not continuing to lock the charging gun after charging of the electric vehicle is completed.

8. A computer device, characterized in that: Installed on electric vehicles, including: A memory and a processor, wherein the memory and the processor are communicatively connected to each other, the memory stores computer instructions, and the processor executes the method according to any one of claims 1 to 6 by executing the computer instructions.

9. A computer-readable storage medium, characterized in that The computer-readable storage medium stores computer instructions, and the computer instructions are used to enable a computer to execute the method according to any one of claims 1 to 6.

10. A computer program product, characterized in that The method comprises computer instructions for causing a computer to execute the method according to any one of claims 1 to 6.

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