Charging control method and device, vehicle and storage medium

Abstract

The invention relates to the technical field of charging, in particular to a charging control method and device, a vehicle and a storage medium, and the method comprises the steps: obtaining a current resistance value of a charging equipment side confirmation interface in a charging stage; if it is identified that the current resistance value jumps out of the jump resistance value of the corresponding resistance value range of the current charging mode, judging the jump type of the current resistance value according to the jump resistance value; and controlling the charging state of the power battery according to the jump type. Therefore, the problems that in the prior art, when the CC / CC2 resistance value of the charging equipment jumps and deviates, the charging and discharging process is directly ended, and the robustness of charging and discharging of the battery automobile is reduced are solved.

Description

Technical Field

[0001] The present invention relates to the field of charging technology, and in particular to a charging control method, device, vehicle and storage medium. Background Art

[0002] With the development of new energy vehicles, new energy vehicle charging and discharging control technology has become a key technology in the research and development of battery vehicles. The charging and discharging process is a process of interaction between a battery vehicle and a charging pile / discharging gun, which includes: physical connection, charging and discharging information interaction, charging and discharging stage, and charging and discharging end stage. At the beginning of the physical connection, it is necessary to detect the CC / CC2 resistance value of the charging or discharging gun to ensure that different connection states and charging modes of the charging and discharging gun correspond to a CC / CC2 resistance value range.

[0003] However, during the charging and discharging process, the CC / CC2 resistance value collected by electric vehicles will still jump and fluctuate. The main reasons may be that the CC / CC2 collection harness is damaged, water enters the connection end; the CC / CC2 collection loop is not well grounded; the CC / CC2 collection loop ground wire shares the ground wire with other controllers; during the controller collecting CC / CC2 resistance value, it is necessary to control the output current of other components at the same time, which will pull the CC / CC2 resistance value off; BMS (Battery Management System) hardware problems and collection accuracy affect CC / CC2 resistance value. When CC / CC2 resistance value jumps and deviates, charging is terminated immediately, resulting in poor robustness of battery car charging and discharging. Summary of the invention

[0004] One of the purposes of the present invention is to provide a charging control method to solve the problems in the prior art of jumps and deviations in the CC / CC2 resistance of the charging device, directly ending the charging and discharging process, and reducing the robustness of the battery car's charging and discharging. The second purpose is to provide a charging control device; the third purpose is to provide a vehicle; and the fourth purpose is to provide a computer-readable storage medium.

[0005] In order to achieve the above object, the technical solution adopted by the present invention is as follows:

[0006] A charging control method is applied to a vehicle, wherein the method comprises the following steps: obtaining a current resistance value of a confirmation interface on a charging device side during a charging stage; if it is identified that the current resistance value jumps to a jump resistance value that exceeds a resistance range corresponding to a current charging mode, determining a jump type of the current resistance value according to the jump resistance value; and controlling the charging state of a power battery according to the jump type.

[0007] According to the above-mentioned technical means, the embodiment of the present application can further confirm the type of jump when the resistance value of the charging device jumps, and control the charging state of the power battery according to the type of jump, such as continuing charging or ending charging, to avoid the problem of poor charging robustness caused by directly ending charging when the resistance value jumps. Since the charging state is determined according to the jump type, it is possible to effectively improve the robustness of charging and discharging while ensuring charging safety, thereby improving the user's charging experience.

[0008] Further, determining the jump type of the current resistance value according to the jump resistance value includes: if the jump resistance value is within the resistance value range corresponding to other charging modes, determining the jump type is the first type; otherwise, determining the jump type is the second type.

[0009] According to the above-mentioned technical means, the embodiment of the present application can determine the type of jump according to the resistance range corresponding to other charging modes. If the jump resistance is within the resistance range corresponding to other charging modes, the jump type is determined to be a jump to the first type under other models, otherwise it is determined to be the second type, so that the type of jump can be accurately determined by the resistance range.

[0010] Further, controlling the charging state of the power battery according to the jump type includes: if the jump type is the first type, maintaining the current charging mode and continuing charging; if the jump type is the second type, ending the charging of the power battery.

[0011] According to the above-mentioned technical means, the embodiment of the present application can continue to maintain the current charging mode when the jump type is the first type, and end charging when the jump type is the second type. The charging state is controlled by identifying the jump type to avoid the problem of poor charging robustness caused by directly ending charging when the resistance value jumps. Since the charging state is determined according to the jump type, the robustness of charging and discharging can be effectively improved while ensuring charging safety, thereby improving the user's charging experience.

[0012] Further, the confirmation interface includes a first interface for confirming the connection status of the charging device and a second interface for confirming the charging mode of the charging device, and the current resistance value includes a first resistance value of the first interface and a second resistance value of the second interface.

[0013] Furthermore, before obtaining the current resistance value of the confirmation interface on the charging device side of the power battery during the charging stage, it includes: after the charging device is connected to the power battery, obtaining a first resistance value and a second resistance value; if the first resistance value and the second resistance value are both within the corresponding resistance range, causing the charging device to enter a charging mode corresponding to the second resistance value.

[0014] According to the above technical means, after the charging device is connected to the power battery, the embodiment of the present application obtains and identifies whether the first resistance value and the second resistance value are in the corresponding resistance range. If they are in the corresponding resistance range, the charging mode corresponding to the second resistance value is entered, so that the charging mode to be entered can be accurately determined based on the first resistance value and the second resistance.

[0015] Furthermore, after the charging device is caused to enter a charging mode corresponding to the second resistance value, the method further includes: if the second resistance value is within a resistance range of the current charging mode, controlling the power battery to enter a charging stage; otherwise, terminating the charging of the power battery.

[0016] According to the above technical means, the embodiment of the present application can determine whether the charging stage has been entered based on whether the second resistance value has jumped after the charging device enters the charging mode, thereby avoiding entering the charging stage in the case of a jump, and ensuring that the second resistance value is within a normal range when the charging device enters the charging stage.

[0017] Furthermore, the charging mode includes one or more of an AC charging mode, a discharge gun mode and a DC charging mode.

[0018] A charging control device comprises: an acquisition module, used to acquire the current resistance value of a confirmation interface of a charging device side of a power battery in a charging stage; an identification module, used to determine the jump type of the current resistance value according to the jump resistance value when it is identified that the current resistance value jumps to a jump resistance value that exceeds the resistance range corresponding to the current charging mode; and a control module, used to control the charging state of the power battery according to the jump type.

[0019] Furthermore, the identification module is further used for: if the jump resistance value is within the resistance value range corresponding to other charging modes, determining that the jump type is the first type; otherwise, determining that the jump type is the second type.

[0020] Furthermore, the identification module is further used for: if the jump type is the first type, maintaining the current charging mode to continue charging; if the jump type is the second type, ending the charging of the power battery.

[0021] Furthermore, the acquisition module is further used for: the confirmation interface includes a first interface for confirming the connection status of the charging device and a second interface for confirming the charging mode of the charging device, and the current resistance value includes a first resistance value of the first interface and a second resistance value of the second interface.

[0022] Furthermore, the acquisition module is further used to: after the charging device is connected to the power battery, obtain a first resistance value and a second resistance value; if the first resistance value and the second resistance value are both within a corresponding resistance range, the charging device enters a charging mode corresponding to the second resistance value.

[0023] Furthermore, the control module is further configured to: if the second resistance value is within the resistance value range of the current charging mode, control the power battery to enter a charging stage; otherwise, terminate the charging of the power battery.

[0024] A vehicle comprises: a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the processor executes the program to implement the charging control method as described in the above embodiment.

[0025] A computer-readable storage medium stores a computer program, which is executed by a processor to implement the charging control method as described in the above embodiment.

[0026] Beneficial effects of the present invention:

[0027] (1) The embodiment of the present application can further confirm the type of jump when the resistance value of the charging device jumps, and control the charging state of the power battery according to the type of jump, such as continuing charging or ending charging, to avoid the problem of poor charging robustness caused by directly ending charging when the resistance value jumps. Since the charging state is determined according to the jump type, the robustness of charging and discharging can be effectively improved while ensuring charging safety, thereby improving the charging experience of users;

[0028] (2) In the embodiment of the present application, the type of jump can be determined according to the resistance range corresponding to other charging modes. If the jump resistance is within the resistance range corresponding to other charging modes, the jump type is determined to be the first type under other modes, otherwise it is determined to be the second type, so that the type of jump can be accurately determined by the resistance range;

[0029] (3) The embodiment of the present application can continue to maintain the current charging mode when the jump type is the first type, and end the charging when the jump type is the second type. The charging state is controlled by identifying the jump type, thereby avoiding the problem of poor charging robustness caused by directly ending the charging when the resistance value jumps. Since the charging state is determined according to the jump type, the robustness of charging and discharging can be effectively improved while ensuring charging safety, thereby improving the charging experience of users.

[0030] (4) After the charging device is connected to the power battery, the embodiment of the present application obtains and identifies whether the first resistance value and the second resistance value are within the corresponding resistance value range. If they are within the corresponding resistance value range, the charging mode corresponding to the second resistance value is entered, so that the charging mode to be entered can be accurately determined according to the first resistance value and the second resistance;

[0031] (5) In the embodiment of the present application, after the charging device enters the charging mode, the charging stage can be determined based on whether the second resistance value jumps, thereby avoiding entering the charging stage in the case of a jump, and ensuring that the second resistance value is within a normal range when the charging device enters the charging stage.

[0032] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 A flow chart of a charging control method provided by an embodiment of the present invention;

[0034] Figure 2 A flow chart of a charging control method provided by one embodiment of the present invention;

[0035] Figure 3 A block diagram of a charging control device provided by an embodiment of the present invention;

[0036] Figure 4 A schematic structural diagram of a vehicle provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0037] The following will describe the embodiments of the present invention with reference to the accompanying drawings and preferred embodiments. Those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be understood that the preferred embodiments are only for illustrating the present invention, not for limiting the scope of protection of the present invention.

[0038] It should be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present invention, and thus the drawings only show components related to the present invention rather than being 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 complicated.

[0039] With the rapid popularization and development of new energy electric vehicles, new energy vehicle charging and discharging control technology has become a key technology in the research and development of battery vehicles. Charging and discharging technology needs to meet the needs of users in various usage scenarios.

[0040] The charging and discharging process is a process of interaction between a battery car and a charging pile / discharging gun, as well as the adaptability and compatibility between the power battery and the charging and discharging equipment. The correct interaction of charging and discharging information is the prerequisite for ensuring charging and discharging. According to the different needs of users for charging and discharging, various types of charging piles / discharging guns have appeared on the market. Charging piles are mainly divided into slow charging AC charging piles and fast charging DC charging piles. Different charging piles also have different current output capabilities. Therefore, ensuring that the whole vehicle can accurately interact with various charging piles / discharging guns and enhancing the charging and discharging robustness of battery cars is the basis for improving the quality of battery cars, reducing the occurrence of charging and discharging problems and reducing customer complaints.

[0041] For the interaction of power battery charging and discharging information, the information interaction between the charging pile and the whole vehicle needs to be developed in accordance with strict requirements. The charging and discharging process can be briefly divided into 4 stages: physical connection completion, charging and discharging information interaction, charging and discharging stage, and charging and discharging end stage. Among them, at the beginning of the physical connection, the BCU (Brake Control Unit) detects the CC / CC2 resistance value of the charging or discharging gun through the internal detection circuit loop to determine the connection status of the charging gun (unconnected, semi-connected, fully connected) and the charging mode (63A, 32A, 16A, 10A AC charging mode, discharge gun mode, DC charging mode). For the acquisition of CC / CC2 resistance signals, due to the influence of acquisition errors and other interferences, it is inevitable that the collected CC / CC2 resistance values ​​will fluctuate within a certain range. Therefore, now each OEM usually uses a CC / CC2 resistance value range corresponding to different connection states and charging modes of the charging and discharging guns to enhance the redundancy of charging and discharging CC / CC2 acquisition and prevent recognition errors caused by fluctuations in CC / CC2 acquisition values. CC / CC2 resistance value collection exists throughout the entire charging and discharging process. If the collection deviation is too large or the erroneous collection jumps out of the set resistance range at any stage of the charging and discharging process, it will cause abnormal termination of charging and discharging, resulting in a poor customer experience.

[0042] Although OEMs have adopted the resistance interval method to expand redundancy and reduce charging failures caused by fluctuations in CC / CC2 resistance value collection, according to actual vehicle test conditions and market performance, there are still certain problems with charging and discharging robustness. During the charging and discharging process, the reasons that usually lead to this problem are as follows:

[0043] 1) The CC / CC2 data acquisition harness is damaged, or water enters the connection end of the data acquisition harness;

[0044] 2) The CC / CC2 acquisition circuit is not well grounded, and the grounding resistance is large, resulting in inaccurate acquisition;

[0045] 3) The ground wire of the CC / CC2 acquisition loop shares the ground wire with other controllers, and large current flows through other loops, resulting in inaccurate acquisition;

[0046] 4) When the controller collects the CC / CC2 resistance value, it also needs to control the output current of other components to pull the CC / CC2 resistance value;

[0047] 5) Problems with the BMS hardware itself and the acquisition accuracy may cause jumps or deviations in CC / CC2 acquisition.

[0048] Obviously, it is necessary to solve the abnormal charging and discharging problems caused by CC / CC2 resistance jumps and fluctuations in electric vehicles and enhance the robustness of battery vehicle charging and discharging.

[0049] Specifically, Figure 1 A flow chart of a charging control method provided in an embodiment of the present application.

[0050] like Figure 1 As shown, the charging control method includes the following steps:

[0051] In step S101, the current resistance value of the confirmation interface on the charging device side during the charging stage is obtained.

[0052] Among them, the charging device may be a charging gun, the confirmation interface may include a first interface for confirming the connection status of the charging device and a second interface for confirming the charging mode of the charging device, the current resistance value may include a first resistance value of the first interface and a second resistance value of the second interface, wherein the first interface may be a CC interface, the second interface may be a CC2 interface, etc.

[0053] It can be understood that the embodiment of the present application can obtain the detection signal sent by the charging device, and determine the current resistance values ​​of the first interface and the second interface at the charging device according to the detection signal. For example, the embodiment of the present application can communicate with the charging device to obtain the resistance values ​​of the CC interface and the CC2 interface.

[0054] In an embodiment of the present application, before obtaining the current resistance value of the confirmation interface on the charging device side of the power battery during the charging stage, it includes: after the charging device is connected to the power battery, obtaining the first resistance value and the second resistance value; if the first resistance value and the second resistance value are both within the corresponding resistance range, the charging device enters the charging mode corresponding to the second resistance value.

[0055] Among them, the charging mode may include one or more of an AC charging mode, a discharge gun mode and a DC charging mode. The corresponding resistance range can be specifically calibrated according to actual conditions, and the corresponding resistance ranges are different in different connection states or different charging modes. For example, when the device is in a connected state, the corresponding resistance range may be a first range, a semi-connected state may be a second range, and a disconnected state may be a third range, wherein the minimum value of the second range is greater than the maximum value of the first range, and the minimum value of the third range is greater than the maximum value of the second range. The embodiment of the present application can determine the connection state according to the range of the first resistance value; similarly, the embodiment of the present application can also determine the specific charging mode according to the range of the second resistance value.

[0056] It can be understood that after the charging device is connected to the power battery, it is obtained and identified whether the first resistance value and the second resistance value are in the corresponding resistance range. If they are in the corresponding resistance range, the charging mode corresponding to the second resistance value is entered, so that the charging mode to be entered can be accurately determined based on the first resistance value and the second resistance.

[0057] In the embodiment of the present application, after the charging device enters the charging mode corresponding to the second resistance value, it also includes: if the second resistance value is within the resistance range of the current charging mode, controlling the power battery to enter the charging stage, otherwise terminating the charging of the power battery.

[0058] It is understandable that after the charging device enters the charging mode, the charging stage is determined based on whether the second resistance value jumps, avoiding entering the charging stage in the case of a jump, and ensuring that the second resistance value is within a normal range when the charging device enters the charging stage.

[0059] In step S102, if it is identified that the current resistance value jumps to a jump resistance value that exceeds the resistance range corresponding to the current charging mode, the jump type of the current resistance value is determined according to the jump resistance value.

[0060] Among them, the resistance ranges corresponding to different charging modes are different and can be specifically calibrated. For example, the AC charging mode, the discharge gun mode and the DC charging mode correspond to different resistance ranges respectively.

[0061] It is understandable that if the current resistance value jumps beyond the jump resistance value of the resistance range corresponding to the current charging mode, the type of jump is further confirmed when the resistance value of the charging device jumps, so as to facilitate the subsequent determination of the charging state according to the jump type.

[0062] In an embodiment of the present application, the jump type of the current resistance value is determined according to the jump resistance value, including: if the jump resistance value is within the resistance range corresponding to other charging modes, the jump type is determined to be the first type, otherwise the jump type is determined to be the second type.

[0063] It can be understood that when the jump resistance is within the resistance range corresponding to other charging modes, the jump type is determined to be the first type under other charging modes, otherwise it is determined to be the second type, so that the jump type can be accurately determined by the resistance range.

[0064] In step S103, the charging state of the power battery is controlled according to the jump type.

[0065] The charging state may include a normal charging state and a stop charging state.

[0066] It can be understood that when the jump type is the first type, the power battery is controlled to maintain a normal charging state, and when the jump type is the second type, the power battery is controlled to stop charging. The charging state is determined according to the jump type. While ensuring charging safety, it can effectively improve the robustness of charging and discharging and enhance the user's charging experience.

[0067] In an embodiment of the present application, the charging state of the power battery is controlled according to the jump type, including: if the jump type is the first type, maintaining the current charging mode and continuing charging; if the jump type is the second type, ending the charging of the power battery.

[0068] It can be understood that when the jump type is the first type, that is, the jump resistance is in the resistance range corresponding to other charging modes, although a jump occurs, it may be caused by hardware problems and acquisition accuracy. Therefore, when in this situation, continuing to charge will not cause charging safety problems. Therefore, the embodiment of the present application can continue to maintain the current charging mode; when the jump type is the second type, it can be determined that there is a problem with the charging connection. Therefore, in order to avoid safety problems caused by continuing charging, it is necessary to end charging; thereby controlling the charging state by identifying the jump type, avoiding the problem of poor charging robustness caused by directly ending charging when the resistance value jumps. Since the charging state is determined according to the jump type, it is possible to effectively improve the robustness of charging and discharging while ensuring charging safety, thereby improving the user's charging experience.

[0069] According to the charging control method proposed in the embodiment of the present application, the resistance value of the charging device is detected. If the resistance value is within the normal range, the charging mode is entered. When the resistance value of the charging device jumps, the type of jump is further confirmed, and the charging state of the power battery is controlled according to the type of jump. Therefore, the problems in the prior art such as jumps and deviations in the CC / CC2 resistance value of the charging device, directly terminating the charging and discharging process, and reducing the robustness of the battery vehicle charging and discharging are solved.

[0070] The following will take the AC charging process as an example to further explain the charging control method. The charging device takes the charging gun as an example. Figure 2 As shown, the specific steps are as follows:

[0071] Step 1: When the user performs AC charging, first plug in the gun, and the vehicle side identifies the CC resistance signal of the charging gun and determines the AC charging mode by the CC resistance value;

[0072] Step 2: Confirm whether the connection is completed correctly. If there is an identification error at the beginning, the charging process will be directly jumped out and the charging will be ended; if the identification is correct, the normal interaction process will be entered;

[0073] Step 3: After correctly identifying and completing the interaction between the vehicle and the charging pile, the vehicle enters the normal charging state and continues to identify the CC resistance value;

[0074] Step 4: If the CC resistance fluctuation deviation remains within the original mode range, continue charging; when the CC resistance jumps to other mode ranges, maintain the original mode and continue charging; when CC jumps to half-connected or not connected, end charging.

[0075] Next, the charging control device proposed according to the embodiment of the present application is described with reference to the accompanying drawings.

[0076] Figure 3 It is a block diagram of a charging control device according to an embodiment of the present application.

[0077] like Figure 3 As shown, the charging control device 10 includes: an acquisition module 100 , an identification module 200 and a control module 300 .

[0078] Among them, the acquisition module 100 is used to obtain the current resistance value of the confirmation interface on the charging device side of the power battery during the charging stage; the identification module 200 is used to determine the jump type of the current resistance value according to the jump resistance value if it is identified that the current resistance value jumps to a jump resistance value that exceeds the resistance range corresponding to the current charging mode; the control module 300 is used to control the charging state of the power battery according to the jump type.

[0079] In the embodiment of the present application, the identification module 200 is further used to: if the jump resistance value is within the resistance value range corresponding to other charging modes, determine that the jump type is the first type; otherwise, determine that the jump type is the second type.

[0080] In the embodiment of the present application, the identification module 200 is further used to: if the jump type is the first type, maintain the current charging mode and continue charging; if the jump type is the second type, end the charging of the power battery.

[0081] In an embodiment of the present application, the acquisition module 100 is further used to: confirm that the interface includes a first interface for confirming the connection status of the charging device and a second interface for confirming the charging mode of the charging device, and the current resistance value includes a first resistance value of the first interface and a second resistance value of the second interface.

[0082] In an embodiment of the present application, the acquisition module 100 is further used to: after the charging device is connected to the power battery, obtain the first resistance value and the second resistance value; if the first resistance value and the second resistance value are both within the corresponding resistance range, the charging device enters a charging mode corresponding to the second resistance value.

[0083] In the embodiment of the present application, the control module 300 is further configured to: if the second resistance value is within the resistance value range of the current charging mode, control the power battery to enter the charging stage; otherwise, terminate the charging of the power battery.

[0084] It should be noted that the above explanation of the charging control method embodiment is also applicable to the charging control device of this embodiment, and will not be repeated here.

[0085] According to the charging control device proposed in the embodiment of the present application, the resistance value of the charging device is detected. If the resistance value is within the normal range, the charging mode is entered. When the resistance value of the charging device jumps, the type of jump is further confirmed, and the charging state of the power battery is controlled according to the type of jump. Therefore, the problems in the prior art such as jumps and deviations in the CC / CC2 resistance value of the charging device, directly terminating the charging and discharging process, and reducing the robustness of the battery vehicle charging and discharging are solved.

[0086] Figure 4 A schematic diagram of the structure of a vehicle provided in an embodiment of the present application. The vehicle may include:

[0087] Memory 401 , processor 402 , and a computer program stored in the memory 401 and executable on the processor 402 .

[0088] When the processor 402 executes the program, the charging control method provided in the above embodiment is implemented.

[0089] Furthermore, the vehicle also includes:

[0090] The communication interface 403 is used for communication between the memory 401 and the processor 402 .

[0091] The memory 401 is used to store computer programs that can be executed on the processor 402 .

[0092] The memory 401 may include a high-speed RAM (Random Access Memory) memory, and may also include a non-volatile memory, such as at least one disk memory.

[0093] If the memory 401, the processor 402 and the communication interface 403 are implemented independently, the communication interface 403, the memory 401 and the processor 402 can be connected to each other through a bus and communicate with each other. The bus can be an ISA (Industry Standard Architecture) bus, a PCI (Peripheral Component Interconnect) bus or an EISA (Extended Industry Standard Architecture) bus, etc. The bus can be divided into an address bus, a data bus, a control bus, etc. For ease of representation, Figure 4 Only one thick line is used in the diagram, but this does not mean that there is only one bus or only one type of bus.

[0094] Optionally, in a specific implementation, if the memory 401, the processor 402 and the communication interface 403 are integrated on a chip, the memory 401, the processor 402 and the communication interface 403 can communicate with each other through an internal interface.

[0095] The processor 402 may be a CPU (Central Processing Unit), or an ASIC (Application Specific Integrated Circuit), or one or more integrated circuits configured to implement the embodiments of the present application.

[0096] An embodiment of the present application also provides a computer-readable storage medium on which a computer program is stored. When the program is executed by a processor, the above charging control method is implemented.

[0097] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or N embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0098] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, "N" means at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0099] Any process or method description in a flowchart or otherwise described herein may be understood to represent a module, fragment or portion of code comprising one or N executable instructions for implementing the steps of a custom logical function or process, and the scope of the preferred embodiments of the present application includes alternative implementations in which functions may not be performed in the order shown or discussed, including performing functions in a substantially simultaneous manner or in reverse order depending on the functions involved, which should be understood by technicians in the technical field to which the embodiments of the present application belong.

[0100] It should be understood that the various parts of the present application can be implemented by hardware, software, firmware or a combination thereof. In the above-mentioned embodiment, the N steps or methods can be implemented by software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented by hardware, as in another embodiment, it can be implemented by any one of the following technologies known in the art or their combination: a discrete logic circuit having a logic gate circuit for implementing a logic function for a data signal, a dedicated integrated circuit having a suitable combination of logic gate circuits, a programmable gate array, a field programmable gate array, etc.

[0101] A person skilled in the art may understand that all or part of the steps in the method for implementing the above-mentioned embodiment may be completed by instructing related hardware through a program, and the program may be stored in a computer-readable storage medium, which, when executed, includes one or a combination of the steps of the method embodiment.

[0102] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A charging control method, characterized in that: The following steps are involved: Obtain the current resistance value of the confirmation interface on the charging device side during the charging stage; If it is identified that the current resistance value jumps to a jump resistance value that exceeds the resistance value range corresponding to the current charging mode, determining the jump type of the current resistance value according to the jump resistance value; The charging state of the power battery is controlled according to the jump type.

2. The charging control method according to claim 1, characterized in that: The step of determining the jump type of the current resistance value according to the jump resistance value includes: If the jump resistance value is within the resistance value range corresponding to other charging modes, the jump type is determined to be the first type; otherwise, the jump type is determined to be the second type.

3. The charging control method according to claim 2, characterized in that: Controlling the charging state of the power battery according to the jump type includes: If the jump type is the first type, maintaining the current charging mode and continuing charging; If the jump type is the second type, the charging of the power battery is terminated.

4. The charging control method according to claim 1, characterized in that: The confirmation interface includes a first interface for confirming the connection status of the charging device and a second interface for confirming the charging mode of the charging device, and the current resistance value includes a first resistance value of the first interface and a second resistance value of the second interface.

5. The charging control method according to claim 4, characterized in that: Before obtaining the current resistance value of the confirmation interface on the charging device side of the power battery during the charging stage, it includes: After the charging device is connected to the power battery, obtaining a first resistance value and a second resistance value; If the first resistance value and the second resistance value are both within the corresponding resistance range, the charging device enters a charging mode corresponding to the second resistance value.

6. The charging control method according to claim 5, characterized in that: After the charging device enters a charging mode corresponding to the second resistance value, the method further includes: If the second resistance value is within the resistance value range of the current charging mode, the power battery is controlled to enter a charging stage; otherwise, the charging of the power battery is terminated.

7. The charging control method according to any one of claims 1 to 6, characterized in that: The charging mode includes one or more of an AC charging mode, a discharge gun mode and a DC charging mode.

8. A charging control device, characterized in that: include: An acquisition module is used to obtain the current resistance value of the confirmation interface of the charging device side of the power battery during the charging stage; an identification module, configured to determine a jump type of the current resistance value according to the jump resistance value if it is identified that the current resistance value jumps to a jump resistance value that exceeds the resistance range corresponding to the current charging mode; A control module is used to control the charging state of the power battery according to the jump type.

9. A vehicle, characterized in that: include: A memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the program to implement the charging control method according to any one of claims 1 to 7.

10. A computer-readable storage medium having a computer program stored thereon, characterized in that: The program is executed by a processor to implement the charging control method as described in any one of claims 1 to 7.

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