Vehicle de-energizing method, system, device and equipment, storage medium and vehicle

Abstract

The invention provides a vehicle electricity withdrawing method, system, device and equipment, a storage medium and a vehicle. The method comprises the steps that state parameters of the vehicle are obtained; the state parameters comprise a whole vehicle power switch state, a battery switch state, a vehicle gear and a vehicle speed; when the state parameter meets a preset parameter condition, obtaining the current capacity of the battery; and when the current capacity is continuously within the preset capacity range and the duration reaches the preset duration, the vehicle is controlled to withdraw electricity. The current capacity of the battery panel can be obtained when the state parameters of the vehicle meet the preset parameter conditions, vehicle electricity withdrawing is carried out according to the current capacity, and the accuracy of vehicle electricity withdrawing control is improved.

Description

Technical Field

[0001] The present disclosure relates to the field of automobile technology, and in particular to a vehicle power recovery method, system, device, electronic device, computer-readable storage medium, and vehicle. Background Art

[0002] There is a battery in the vehicle to power the vehicle, for example, the battery is used to power the vehicle terminal. For pure electric vehicles, the driving power of the vehicle depends on the power supply of the power battery. When the vehicle is not in use, the vehicle needs to be de-powered.

[0003] At present, the vehicle's status is detected, such as whether the vehicle's hood and fuel tank cap are open. When these conditions are met, the power switch of the entire vehicle is turned off to control the vehicle's power withdrawal.

[0004] However, the current solution only detects some external conditions of the vehicle, such as the hood and fuel tank cap. If the external conditions meet the requirements, the vehicle will be directly de-energized, and the accuracy of the de-energization control is low. Summary of the invention

[0005] The embodiments of the present disclosure provide a vehicle power-reduction method, system, device, electronic device, and readable storage medium to solve the problem of low accuracy of power-reduction control in the prior art.

[0006] In a first aspect, an embodiment of the present disclosure provides a vehicle power-reduction method, comprising:

[0007] Obtaining vehicle status parameters; the status parameters include vehicle power switch status, battery switch status, vehicle gear position and vehicle speed;

[0008] When the state parameter meets the preset parameter condition, obtaining the current capacity of the battery;

[0009] When the current capacity is continuously within a preset capacity range and the duration reaches a preset time, the vehicle is controlled to power down.

[0010] Optionally, the preset parameter conditions include: the vehicle is in a powered-on state;

[0011] When the state parameter meets the preset parameter condition, the step of obtaining the current capacity of the battery includes:

[0012] Acquiring the vehicle power switch state and the battery switch state, and determining that the vehicle is in the power-on state when both the vehicle power switch state and the battery switch state are on;

[0013] Obtain a state of charge value of the battery; the state of charge value represents a ratio of a current capacity to a full capacity.

[0014] Optionally, the preset parameter conditions include: the vehicle is in an unmanned operation state;

[0015] When the state parameter meets the preset parameter condition, the step of obtaining the current capacity of the battery includes:

[0016] Acquiring the vehicle gear position and the vehicle speed, and determining that the vehicle is in the unmanned operation state when the vehicle gear position is a parking gear position or a neutral gear and the vehicle speed is less than a preset speed threshold;

[0017] Obtain a state of charge value of the battery; the state of charge value represents a ratio of a current capacity to a full capacity.

[0018] Optionally, different preset capacity ranges correspond to different preset durations; when the current capacity is continuously within the preset capacity range and the duration reaches a preset duration, the step of controlling the vehicle to de-energize includes:

[0019] When the current capacity is continuously greater than a preset capacity threshold and the duration reaches a preset first duration, controlling the vehicle to enter a power-off state; the power-off state indicates that the vehicle power switch is turned off; and / or

[0020] When the current capacity is continuously less than or equal to the preset capacity threshold and the duration reaches a preset second time duration, the vehicle is controlled to enter a power-off state; and the preset first time duration is greater than the preset second time duration.

[0021] Optionally, when the current capacity is continuously within a preset capacity range and the duration reaches a preset time, the step of controlling the vehicle to power down includes:

[0022] When the current capacity is continuously within the preset capacity range and the duration reaches a preset time, a prompt message is sent to the vehicle-mounted terminal of the vehicle; the vehicle-mounted terminal is used to generate and display a prompt page according to the prompt message;

[0023] When the user intervention information returned by the vehicle terminal is not received, the vehicle is controlled to enter a power-off state; the user intervention information is generated by the vehicle terminal in response to the user's operation on the prompt page.

[0024] Optionally, the step of sending a prompt message to an onboard terminal of the vehicle includes:

[0025] Sending a prompt message carrying the timing time to the vehicle terminal of the vehicle; the vehicle terminal is used to generate a prompt page according to the prompt message and display it within the time period indicated by the timing time;

[0026] When the user intervention information returned by the vehicle-mounted terminal is not received, the step of controlling the vehicle to enter a power-off state includes:

[0027] When the user intervention information returned by the vehicle-mounted terminal is still not received after the time period has passed, the vehicle is controlled to enter a power-off state.

[0028] Optionally, the prompt page includes a confirmation control and a cancel control; the method further includes:

[0029] Upon receiving user cancellation information returned by the vehicle terminal, controlling the vehicle to remain powered on; the user cancellation information is generated by the vehicle terminal in response to a user operation on the cancellation control;

[0030] When receiving the user confirmation information returned by the vehicle terminal, the vehicle is controlled to enter a power-off state; the user confirmation information is generated by the vehicle terminal in response to the user's operation on the confirmation control.

[0031] In a second aspect, an embodiment of the present disclosure provides a vehicle power recovery system, comprising:

[0032] Battery management module, body controller;

[0033] The battery management module is used to obtain the state parameters of the vehicle and determine that the state parameters of the vehicle meet the preset parameter conditions; the state parameters include the state of the vehicle power switch, the battery switch state, the vehicle gear position and the vehicle speed;

[0034] The battery management module obtains the current capacity of the battery, and when the current capacity is continuously within a preset capacity range and the duration reaches a preset time, sends a control request to the vehicle body controller to control the vehicle to power down;

[0035] The vehicle body controller is used to set the vehicle power switch to off after receiving the power-off instruction.

[0036] Optionally, the preset parameter conditions include: the vehicle is in a powered-on state;

[0037] The battery management module is used to

[0038] Acquiring the vehicle power switch state and the battery switch state, and determining that the vehicle is in the power-on state when both the vehicle power switch state and the battery switch state are on;

[0039] Obtain a state of charge value of the battery; the state of charge value represents a ratio of a current capacity to a full capacity.

[0040] Optionally, the preset parameter conditions include: the vehicle is in an unmanned operation state;

[0041] The battery management module is used to

[0042] Acquiring the vehicle gear position and the vehicle speed, and determining that the vehicle is in the unmanned operation state when the vehicle gear position is a parking gear position or a neutral gear and the vehicle speed is less than a preset speed threshold;

[0043] Obtain a state of charge value of the battery; the state of charge value represents a ratio of a current capacity to a full capacity.

[0044] Optionally, different preset capacity ranges correspond to different preset durations; the battery management module is used to

[0045] When the current capacity is continuously greater than a preset capacity threshold and the duration reaches a preset first duration, controlling the vehicle to enter a power-off state; the power-off state indicates that the vehicle power switch is turned off; and / or

[0046] When the current capacity is continuously less than or equal to the preset capacity threshold and the duration reaches a preset second time duration, the vehicle is controlled to enter a power-off state; and the preset first time duration is greater than the preset second time duration.

[0047] Optionally, the battery management module is used to

[0048] When the current capacity is continuously within the preset capacity range and the duration reaches a preset time, a prompt message is sent to the vehicle-mounted terminal of the vehicle; the vehicle-mounted terminal is used to generate and display a prompt page according to the prompt message;

[0049] When the user intervention information returned by the vehicle terminal is not received, the vehicle is controlled to enter a power-off state; the user intervention information is generated by the vehicle terminal in response to the user's operation on the prompt page.

[0050] Optionally, the battery management module is used to

[0051] Sending a prompt message carrying the timing time to the vehicle terminal of the vehicle; the vehicle terminal is used to generate a prompt page according to the prompt message and display it within the time period indicated by the timing time;

[0052] The step of controlling the vehicle to enter a power-off state when the user intervention information returned by the vehicle-mounted terminal is not received includes:

[0053] When the user intervention information returned by the vehicle-mounted terminal is still not received after the time period has passed, the vehicle is controlled to enter a power-off state.

[0054] Optionally, the prompt page includes a confirmation control and a cancel control; the battery management module is further used to:

[0055] When receiving the user cancellation information returned by the vehicle terminal, the vehicle is controlled to remain powered on; the user cancellation information is generated by the vehicle terminal in response to the user's operation on the cancellation control.

[0056] When receiving user confirmation information returned by the vehicle-mounted terminal within the time period, the vehicle is controlled to enter a power-off state; the user confirmation information is generated by the vehicle-mounted terminal in response to the user's operation on the confirmation control.

[0057] In a third aspect, an embodiment of the present disclosure provides a vehicle power recovery device, comprising:

[0058] The vehicle status module is used to obtain the vehicle status parameters; the status parameters include the vehicle power switch status, battery switch status, vehicle gear position and vehicle speed;

[0059] A battery operating condition module, used for obtaining the current capacity of the battery when the state parameter meets the preset parameter condition;

[0060] The power-reduction control module is used to control the vehicle to reduce power when the current capacity is continuously within a preset capacity range and the duration reaches a preset time.

[0061] Optionally, the preset parameter conditions include: the vehicle is in a powered-on state; the battery operating condition module includes:

[0062] A power-on judgment submodule, used to obtain the vehicle power switch state and the battery switch state, and determine that the vehicle is in the power-on state when the vehicle power switch state and the battery switch state are both on;

[0063] The first charge acquisition submodule is used to acquire the state of charge value of the battery; the state of charge value represents the ratio of the current capacity to the full capacity.

[0064] Optionally, the preset parameter conditions include: the vehicle is in an unmanned operation state; the battery operating condition module includes:

[0065] an unmanned operation submodule, for obtaining the vehicle gear position and the vehicle speed, and determining that the vehicle is in the unmanned operation state when the vehicle gear position is a parking gear position or a neutral gear and the vehicle speed is less than a preset speed threshold;

[0066] The second charge acquisition submodule is used to acquire the state of charge value of the battery; the state of charge value represents the ratio of the current capacity to the full capacity.

[0067] Optionally, different preset capacity ranges correspond to different preset durations; the power-off control module includes:

[0068] A first power-off electronic module is used to control the vehicle to enter a power-off state when the current capacity is continuously greater than a preset capacity threshold and the duration reaches a preset first time length; the power-off state indicates that the vehicle power switch is turned off; and / or

[0069] The second power-off electronic module is used to control the vehicle to enter a power-off state when the current capacity is continuously less than or equal to the preset capacity threshold and the duration reaches a preset second time length; the preset first time length is greater than the preset second time length.

[0070] Optional, power-off control module, including:

[0071] The terminal prompt submodule is used to send a prompt message to the vehicle terminal of the vehicle when the current capacity is continuously within the preset capacity range and the duration reaches a preset time; the vehicle terminal is used to generate a prompt page according to the prompt message and display it;

[0072] The user intervention submodule is used to control the vehicle to enter a power-off state when no user intervention information returned by the vehicle terminal is received; the user intervention information is generated by the vehicle terminal in response to the user's operation on the prompt page.

[0073] Optional, terminal prompt submodule, including:

[0074] A timing prompt unit, used to send a prompt message carrying the timing time to the vehicle-mounted terminal of the vehicle; the vehicle-mounted terminal is used to generate a prompt page according to the prompt message and display it within the time period indicated by the timing time;

[0075] User intervention submodule, including:

[0076] The intervention information unit is used to control the vehicle to enter a power-off state when the user intervention information returned by the vehicle-mounted terminal is not received after the time period has passed.

[0077] Optionally, the prompt page includes a confirmation control and a cancel control; the device further includes:

[0078] The user cancellation module is used to control the vehicle to remain powered on when receiving user cancellation information returned by the vehicle terminal; the user cancellation information is generated by the vehicle terminal in response to the user's operation on the cancellation control.

[0079] The user confirmation module is used to control the vehicle to enter a power-off state when receiving user confirmation information returned by the vehicle terminal within the time period; the user confirmation information is generated by the vehicle terminal in response to the user's operation on the confirmation control.

[0080] In a fourth aspect, an embodiment of the present disclosure provides an electronic device, including: a processor, a communication interface, a memory, and a communication bus; wherein the processor, the communication interface, and the memory communicate with each other via the communication bus;

[0081] Memory, used to store computer programs;

[0082] The processor is used to implement the steps of the vehicle power recovery method described in the first aspect when executing the program stored in the memory.

[0083] In a fifth aspect, an embodiment of the present disclosure provides a computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the steps in the vehicle power-reduction method described in the first aspect above.

[0084] In a sixth aspect, an embodiment of the present disclosure provides a vehicle, comprising the vehicle power recovery device described in the third aspect above, or comprising the electronic device described in the fourth aspect above.

[0085] Compared with the prior art, the present invention has the following advantages:

[0086] In the disclosed embodiment, by acquiring the state parameters of the vehicle; the state parameters include the state of the vehicle power switch, the battery switch state, the vehicle gear and the vehicle speed; when the state parameters meet the preset parameter conditions, the current capacity of the battery is acquired; when the current capacity is continuously in the preset capacity range and the duration reaches the preset time, the vehicle is controlled to de-energize. When the external state of the vehicle meets the conditions, the internal state of the current capacity of the vehicle battery is acquired, and then the vehicle de-energization control is performed based on the capacity range of the current capacity of the battery and the corresponding preset time, thereby improving the accuracy of the vehicle de-energization control.

[0087] The above description is only an overview of the technical solution of the present disclosure. In order to more clearly understand the technical means of the present disclosure, it can be implemented according to the contents of the specification. In order to make the above and other purposes, features and advantages of the present disclosure more obvious and easy to understand, the specific implementation methods of the present disclosure are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0088] In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings required for describing the embodiments are briefly introduced below.

[0089] Figure 1A schematic diagram of the steps of a vehicle power-reduction method provided in an embodiment of the present disclosure;

[0090] Figure 2 A schematic diagram of the steps of another vehicle power-off method provided in an embodiment of the present disclosure;

[0091] Figure 3 An interactive diagram of vehicle power reduction control is provided for an embodiment of the present disclosure;

[0092] Figure 4 A flow chart of a vehicle power-down control process provided by an embodiment of the present disclosure;

[0093] Figure 5 A schematic diagram of the structure of a vehicle power recovery system provided by an embodiment of the present disclosure;

[0094] Figure 6 A schematic diagram of the structure of a vehicle power recovery device provided in an embodiment of the present disclosure;

[0095] Figure 7 A block diagram of an electronic device provided for an embodiment of the present disclosure. DETAILED DESCRIPTION

[0096] The exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can also be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided in order to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0097] Figure 1 1 is a schematic diagram of the steps of a vehicle power-off method provided by an embodiment of the present disclosure, including:

[0098] Step 101, obtaining vehicle status parameters; the status parameters include vehicle power switch status, battery switch status, vehicle gear position and vehicle speed;

[0099] In the disclosed embodiment, the state parameters of the vehicle can describe the current state of the vehicle, and the state parameters may include the state of the vehicle power switch, the battery switch state, the vehicle gear and the vehicle speed. The state parameters of the vehicle can be obtained by the power battery management system (BMS, Battery Management System). The main function of BMS is to monitor the battery status, manage each battery unit, and prevent the battery from being overcharged and over-discharged. BMS may include modules such as data acquisition, battery status estimation, energy management, thermal management, safety management and communication functions. Among them, the data acquisition module is responsible for collecting battery data, such as voltage and current; the battery status estimation module can identify the battery status based on the collected data, such as the battery state of charge (SOC, State of Charge), health state (SOH, State of Healthy), etc.; the communication function module is responsible for communicating with other vehicle systems, such as vehicle control system, charging system, body controller (BCM, Body Controller Management), etc. Among them, the body controller may include a left body domain controller, a right body domain controller, a rear body domain controller, etc.

[0100] The vehicle power switch refers to the switch used to control the main power system in a vehicle, such as an electric vehicle. The main power system may include the main components of the electric vehicle, such as the motor, BMS and other high-voltage equipment. The vehicle power switch state may include two parameters, namely "ON" and "OFF".

[0101] In electric vehicles, the "ON" gear usually indicates a high-voltage power-on state, that is, the high-voltage DC power of the battery has been connected to the main power system of the vehicle. The main components of the electric vehicle can receive power supply and can work normally. The "OFF" gear indicates that the vehicle is in a power-off state or a power-off state, and the high-voltage DC power of the battery is not connected to the main power system of the vehicle. In this state, the main components of the electric vehicle will not receive power supply. For fuel vehicles, the "ON" gear indicates that the vehicle is in a low-voltage power-on state, and the engine start state is represented by the "START" gear. In these models, the high-voltage state is related to the operating state of the engine and has no direct correlation with the "ON" gear or the "OFF" gear.

[0102] The battery switch state may refer to the state of the battery's main contactor, which is used to control the battery to work. When the main contactor is in the open state, the two poles of the battery can be connected to the electric vehicle circuit to provide power to the vehicle. When the main contactor is in the closed state, the main contactor disconnects the battery from the vehicle circuit. It is understandable that when considering the vehicle power switch state to be "ON" or "OFF", the battery switch state needs to be open, otherwise even if the vehicle power switch state is in the "ON" position, the vehicle's main power system is in a no-power state.

[0103] The gears of a vehicle may vary due to different designs, and may generally include parking gear, reverse gear, neutral gear, and forward gear. When a vehicle needs to be parked for a long time, the vehicle may be set to parking gear to ensure that the vehicle cannot move when it is stationary. Neutral gear is used when the vehicle does not need to be driven or is temporarily parked. At this time, the vehicle can move freely but cannot drive. Reverse gear is used for reversing, and forward gear is used for normal driving.

[0104] The vehicle speed can be detected by a built-in sensor of the vehicle, or the vehicle position and speed can be detected by a navigation system, which will not be described in detail here. It is understandable that the state parameter can also include more parameters, such as the window switch state, the driving seat pressure state (to determine whether there is someone riding) and others.

[0105] Step 102, when the state parameter meets the preset parameter condition, obtaining the current capacity of the battery;

[0106] In an embodiment of the present disclosure, when the state parameters in the above step 101 can satisfy the preset parameter conditions, the acquisition of the current capacity of the battery can be triggered. Among them, the preset parameter conditions may include multiple sub-conditions. For example, when there are 4 state parameters, there may be 4 parameter sub-conditions for each of the 4 state parameters. If each state parameter satisfies the corresponding parameter sub-condition, it is considered that the state parameter satisfies the preset parameter condition. It can also be that among several state parameters, a preset number of state parameters can satisfy the corresponding parameter sub-conditions, then it can be considered that the state parameter satisfies the preset parameter condition, for example, among 4 state parameters, 3 state parameters can satisfy the corresponding parameter sub-conditions. The specific content of the preset parameter conditions and how to determine whether the state parameters meet the preset parameter conditions are not specifically limited here.

[0107] The current capacity of the battery indicates the current ability of the battery to release electrical energy. The capacity of an electric vehicle battery can be directly expressed by parameters such as 12 ampere-hours (Ah), 20Ah, and 32Ah. The capacity of the battery when fully charged can also be taken as 1, and the current capacity of the battery after consumption can be 0.5, 0.7, and so on. When the state parameter meets the preset parameter conditions, the current capacity of the battery is obtained. It can be understood that when the preset parameter conditions are met, the BMS continuously obtains the current capacity of the battery, for example, it can be continuously obtained at certain time intervals.

[0108] Step 103, when the current capacity is continuously within a preset capacity range and the duration reaches a preset time, control the vehicle to power down.

[0109] In the disclosed embodiment, the capacity range of the battery can be divided according to the maximum capacity and the minimum capacity of the battery. For example, when the battery capacity is directly expressed by ampere-hours, and the maximum capacity of the battery when fully charged is 30 ampere-hours, the preset capacity range can be 3 preset capacity ranges including 0-10, 10-20, and 20-30. When the capacity of the battery when fully charged is taken as 1, the preset capacity range can also be 3 preset capacity ranges including 0-0.4, 0.4-0.7, and 0.7-1. Other preset capacity ranges can also be used as needed, and the specific content of the preset capacity range is not specifically limited here.

[0110] When the current capacity is continuously within the preset capacity range, that is, the current capacities continuously obtained are all within the preset capacity range. For example, the current capacities obtained are 0.45, 0.55, and 0.6, respectively, which are all within the preset capacity range "0.4-0.7".

[0111] When the current capacity is continuously within the preset capacity range and the duration reaches the preset time, the vehicle can be controlled to power down. Controlling the vehicle to power down may mean setting the vehicle power switch to off so that the vehicle enters a power down state. The control process may be that the power battery management system sends a power down instruction to the body controller, and the body controller sets the vehicle power switch to off after receiving the power down instruction. In addition, the user can also be reminded that the vehicle has powered down through phone calls, text messages, and messages within the application.

[0112] In summary, in the disclosed embodiment, by obtaining the vehicle's state parameters; the state parameters include the vehicle power switch state, battery switch state, vehicle gear and vehicle speed; when the state parameters meet the preset parameter conditions, the current capacity of the battery is obtained; when the current capacity continues to be in the preset capacity range and the duration reaches the preset time, the vehicle is controlled to de-energize. When the vehicle's external state meets the conditions, the internal state of the vehicle's battery's current capacity is obtained, and then the vehicle's de-energization control is performed based on the capacity range of the battery's current capacity and the corresponding preset time, thereby improving the accuracy of the vehicle's de-energization control.

[0113] The following is a specific implementation process to illustrate the process of the vehicle power reduction method in the embodiment of the present disclosure. Figure 2 As shown, including:

[0114] Step 201, obtaining vehicle status parameters; the status parameters include vehicle power switch status, battery switch status, vehicle gear position and vehicle speed;

[0115] Step 202, when the state parameter meets the preset parameter condition, obtaining the current capacity of the battery;

[0116] Step 203, when the current capacity is continuously within a preset capacity range and the duration reaches a preset time, control the vehicle to power down.

[0117] The above steps 201-303 can refer to Figure 1 The contents of the embodiments of the present invention will not be repeated here.

[0118] Optionally, the preset parameter condition includes: the vehicle is in a powered-on state; Step 202: when the state parameter satisfies the preset parameter condition, obtaining the current capacity of the battery may include sub-steps 2021-2022:

[0119] Sub-step 2021, obtaining the vehicle power switch state and the battery switch state, and determining that the vehicle is in the power-on state when both the vehicle power switch state and the battery switch state are on;

[0120] Sub-step 2022, obtaining the state of charge value of the battery; the state of charge value represents the ratio of the current capacity to the full capacity.

[0121] Get the vehicle power switch status and battery switch status. When both the vehicle power switch status and the battery switch status are on, determine that the vehicle is in the power-on state. Since the vehicle power switch is used to control the vehicle's main power system, the premise is that the battery switch needs to be in the on state. Only after the battery switch is turned on and provides power supply, the opening and closing of the vehicle power switch will have a corresponding effect. Therefore, the vehicle power switch status and the battery switch status need to be both on to determine that the vehicle is in the power-on state. If either switch is off, the vehicle is not in the power-on state, which can trigger the acquisition of the battery's state of charge value.

[0122] The state of charge value refers to the ratio of the current capacity (remaining capacity) to the full capacity of the battery in a fully charged state. The state of charge value can be used as a key parameter of the battery capacity, which can indicate whether the battery is in good working condition. The range of the state of charge value is 0-1, which can be 0.45, 0.6, etc. The full capacity of the battery in a fully charged state is a known value that can be determined when the battery is designed and produced, so the current capacity of the battery can be represented by the state of charge value. The state of charge value can be obtained by measuring the battery voltage. It is understandable that the current capacity of the battery, i.e. the working condition of the battery, can also be represented by other electrical parameters such as battery voltage, which are not specifically limited here.

[0123] Optionally, the preset parameter condition includes: the vehicle is in an unmanned operation state; Step 202: when the state parameter satisfies the preset parameter condition, obtaining the current capacity of the battery may include sub-steps 2023-2024:

[0124] Sub-step 2023, obtaining the vehicle gear position and the vehicle speed, and determining that the vehicle is in the unmanned operation state when the vehicle gear position is the parking gear position or the neutral gear and the vehicle speed is less than a preset speed threshold;

[0125] Sub-step 2024, obtaining the state of charge value of the battery; the state of charge value represents the ratio of the current capacity to the full capacity.

[0126] In the disclosed embodiment, the vehicle gear position and vehicle speed are obtained, and when the vehicle gear position is the parking gear position or the neutral gear and the vehicle speed is less than a preset speed threshold, it is determined that the vehicle is in an unmanned operation state. The preset speed threshold may be a relatively small speed value, such as 2 m / s (meters per second) or 3 m / s.

[0127] Based on the vehicle power switch status and battery switch status, it is determined that the "vehicle is in a powered-on state" condition is met. Based on the vehicle gear position and speed, it is determined that the "vehicle is in an unmanned operating state", which can trigger the acquisition of the battery's state of charge value.

[0128] It is understandable that the preset parameter conditions may include: the vehicle is powered on and the vehicle is unmanned. If the vehicle is to be powered off, it is first necessary to determine that the vehicle is powered on. Then it is determined that the vehicle is unmanned. If the vehicle is not currently in use, the vehicle can be powered off.

[0129] Optionally, different preset capacity ranges correspond to different preset durations; Step 203: When the current capacity is continuously within the preset capacity range and the duration reaches a preset duration, controlling the vehicle to de-energize may include sub-steps 2031-2032:

[0130] Sub-step 2031, when the current capacity is continuously greater than a preset capacity threshold and the duration reaches a preset first duration, controlling the vehicle to enter a power-off state; the power-off state indicates that the vehicle power switch is turned off; and / or

[0131] Sub-step 2032, when the current capacity is continuously less than or equal to the preset capacity threshold and the duration reaches a preset second time length, controlling the vehicle to enter a power-off state; the preset first time length is greater than the preset second time length.

[0132] In the disclosed embodiment, different preset capacity ranges may correspond to different preset durations, that is, when the current capacity obtained is within a specific preset range, the current capacity obtained within a continuous preset duration needs to be within the specific preset range. For example, when the state parameter meets the preset parameter condition, the first current capacity is triggered to be obtained, the preset capacity range in which the current capacity is located is determined, and the preset duration corresponding to the preset capacity range is determined. Then, the other current capacities obtained within the preset duration after the first current capacity is obtained also need to be within the same preset capacity range. Otherwise, if at a certain moment, the current capacity obtained is within another preset capacity range, it is necessary to perform a similar detection process according to the preset duration corresponding to the other preset capacity range. Among them, the capacity can be represented by a state of charge value, and the preset capacity threshold can be a preset charge threshold.

[0133] The preset capacity range can be divided by the preset charge threshold. Since the state of charge value is the ratio of the current capacity to the full capacity, the range of the state of charge value is 0-1, and two preset capacity ranges can be obtained by a preset charge threshold. The preset charge threshold can be set according to the battery over-discharge condition. Battery over-discharge means that the discharge depth of the battery exceeds the limit that it can be designed to withstand, resulting in the battery voltage being lower than the specified cut-off voltage. Excessive discharge will damage the battery. Different types of batteries have different tolerances for over-discharge. For example, when the starting battery exceeds 20% discharge depth, that is, when the state of charge value is 0.2, it may reach the battery over-discharge condition.

[0134] Similar to the above step 103, it is detected that the state of charge value is continuously greater than the preset charge threshold value, and the preset time length corresponding to the range of being greater than the preset charge threshold value is the preset first time length. When the duration reaches the preset first time length, the vehicle is controlled to enter the de-powering state. It is detected that the state of charge value is continuously less than or equal to the preset charge threshold value, and the preset time length corresponding to the range of being less than or equal to the preset charge threshold value is the preset second time length. When the duration reaches the preset second time length, the vehicle is controlled to enter the de-powering state.

[0135] It is understandable that if the state of charge value is continuously less than or equal to the preset charge threshold, it indicates that the vehicle battery has reached the battery over-discharge condition, which is likely to cause battery damage. If the state of charge value is continuously greater than the preset charge threshold, it indicates that the current capacity of the vehicle battery is high and the battery state is high. Therefore, the preset first time length can be greater than the preset second time length, so that under the battery over-discharge condition, the de-powering state can be entered more quickly, greatly reducing the risk of battery damage. For example, the preset first time length can be 3 minutes, and the preset second time length can be 30 seconds.

[0136] In addition, it is understandable that, since it is necessary to first obtain a state of charge value when the state parameter meets the preset parameter conditions, and then determine the corresponding preset time length according to the range of the state of charge value, and detect whether the state of charge value continues to be within the range within this preset time length. However, the state of charge value may change, for example, due to vehicle charging, the previous state of charge value is less than or equal to the preset charge threshold, and the next state of charge value is greater than the preset charge threshold; or, due to battery consumption, the previous state of charge value is greater than the preset charge threshold, and the next state of charge value is less than or equal to the preset charge threshold. Then, after the relative size relationship between the state of charge value and the preset charge threshold changes, the power-off judgment can continue to be made according to the corresponding preset time length. It should be noted that due to the change in the relative size relationship, the continuous state is broken, then the time that has lasted before the relative size relationship changes will be reset to zero, and the duration judgment needs to be re-performed according to another preset time length.

[0137] By implementing the embodiments of the present disclosure, by setting a preset charge threshold to distinguish and determine the preset time length for vehicle power-off judgment, the vehicle power-off control can be adaptively performed according to the battery working condition, and when the vehicle is in a continuously powered-on state for a long time and the charge state value is lower than a certain threshold, it can be identified and the power-off is actively requested, thereby improving the accuracy of the vehicle power-off control. In addition, it can also avoid the problem of battery over-discharge caused by forgetting to discharge the battery, thereby greatly reducing the risk of damage caused by battery over-discharge.

[0138] Optionally, step 203: when the current capacity is continuously within a preset capacity range and the duration reaches a preset time, the step of controlling the vehicle to power down may include:

[0139] When the current capacity is continuously within the preset capacity range and the duration reaches a preset time, a prompt message is sent to the vehicle-mounted terminal of the vehicle; the vehicle-mounted terminal is used to generate and display a prompt page according to the prompt message;

[0140] When the user intervention information returned by the vehicle terminal is not received, the vehicle is controlled to enter a power-off state; the user intervention information is generated by the vehicle terminal in response to the user's operation on the prompt page.

[0141] In the disclosed embodiments, the vehicle generally includes an on-board terminal, which is a device with a display screen that can display various information for the vehicle's occupants. When the current capacity is continuously within a preset capacity range and the duration reaches a preset time, the BMS can send a reminder message to the on-board terminal. After the on-board terminal receives the reminder message, it generates a reminder page based on the prompt information and displays it on the display screen. The reminder message can be a pop-up reminder flag. After the on-board terminal receives the flag, it displays a pop-up reminder.

[0142] The user, i.e., the vehicle occupant, can perform intervention operations on the prompt page, and the vehicle terminal can generate user intervention information in response to the user's operation on the prompt page, and send the user intervention information to the BMS. If the BMS receives the user intervention information, it may not send a power-off instruction to the body controller, and the body controller will not set the vehicle power switch to off, thereby avoiding power off of the vehicle.

[0143] When the user intervention information returned by the vehicle-mounted terminal is not received, the vehicle is controlled to enter a power-off state.

[0144] In the implementation of the embodiment of the present disclosure, when it is determined that the vehicle can be powered off, a prompt message is first sent to the vehicle's on-board terminal, and the on-board terminal is used to generate and display a prompt page according to the prompt message, and the vehicle is further controlled to enter the power-off state only when the user intervention information returned by the on-board terminal is not received. The user can be prompted before the vehicle is actually powered off, and the power-off of the vehicle can be further controlled based on whether the user intervention information is received, which can meet the user's additional needs, thereby improving the flexibility and accuracy of the vehicle power-off control, and also improving the fault tolerance of the vehicle power-off control process.

[0145] Optionally, the step of sending the prompt information to the vehicle-mounted terminal of the vehicle includes:

[0146] Sending a prompt message carrying the timing time to the vehicle terminal of the vehicle; the vehicle terminal is used to generate a prompt page according to the prompt message and display it within the time period indicated by the timing time;

[0147] The step of controlling the vehicle to enter a power-off state when the user intervention information returned by the vehicle-mounted terminal is not received includes:

[0148] When the user intervention information returned by the vehicle-mounted terminal is still not received after the time period has passed, the vehicle is controlled to enter a power-off state.

[0149] In the disclosed embodiment, the prompt information sent by the BMS to the vehicle terminal carries a timing time, and the vehicle terminal generates a prompt page according to the prompt information, and displays the prompt page within a certain period of time according to the timing time. For example, if the timing time is 5 seconds, the vehicle terminal can no longer display the prompt page after the prompt page is displayed for 5 seconds.

[0150] Accordingly, the time for the user to operate the prompt page needs to be within the timing time displayed on the prompt page. If the user operates within this time period (for example, closing the page or clicking on the page), the vehicle terminal can generate user intervention information and send it to the BMS so that the vehicle does not power off. After the time period has passed, if the user intervention information returned by the vehicle terminal is still not received, the vehicle is controlled to enter the power off state.

[0151] Optionally, the prompt page includes a confirmation control and a cancel control; the method further includes:

[0152] When receiving the user cancellation information returned by the vehicle terminal, the vehicle is controlled to remain powered on; the user cancellation information is generated by the vehicle terminal in response to the user's operation on the cancellation control.

[0153] When receiving user confirmation information returned by the vehicle-mounted terminal within the time period, the vehicle is controlled to enter a power-off state; the user confirmation information is generated by the vehicle-mounted terminal in response to the user's operation on the confirmation control.

[0154] In the disclosed embodiment, the prompt page may include a confirmation control and a cancel control. Within the time period indicated by the timing time, the user can operate the cancel control, and the vehicle generates a user cancellation message and sends it to the BMS. After receiving the user cancellation message, the BMS will not further send a power-off instruction to the vehicle body controller, so that the vehicle does not power off.

[0155] During the time period indicated by the timing time, the user can also operate the confirmation control. The vehicle will generate a user confirmation message and send it to the BMS. After receiving the user confirmation message, the BMS can immediately send a power-off instruction to the body controller without waiting for the timing time to pass before the vehicle can power off, so that the vehicle can power off quickly.

[0156] By implementing the embodiments of the present disclosure, the vehicle terminal controls the vehicle not to power down or to power down quickly in response to the user's operation on canceling or confirming controls, thereby further improving the flexibility of the vehicle's power down control and also improving the efficiency of the vehicle's power down control.

[0157] Figure 3 is an interactive diagram of the vehicle power reduction control provided by the embodiment of the present disclosure. Figure 3 As shown, Figure 3 It includes power battery management system, body controller and vehicle terminal.

[0158] Step S1, the power battery management system obtains the current capacity when the state parameter meets the condition, and sends a prompt message when the current capacity meets the condition, that is, obtains the state parameter of the vehicle, obtains the current capacity of the battery when the state parameter meets the preset parameter condition, and sends a prompt message to the vehicle terminal when the current capacity is continuously within the preset capacity range and the duration reaches the preset time;

[0159] Step S2: The vehicle terminal displays a prompt page, that is, generates a prompt page according to the prompt information and displays it within the timer.

[0160] Step S3: The vehicle terminal does not return a user intervention message, that is, the vehicle terminal does not send a user intervention message. The vehicle terminal may return other messages to indicate that there is no user intervention message, such as a message prompting that the page is not closed manually.

[0161] Step S4, the power battery management system sends a power-off instruction to the vehicle body controller;

[0162] Step S5, the body controller controls the vehicle to power down, that is, after receiving the power down instruction, the body controller sets the power switch of the vehicle to off.

[0163] Figure 4 is a flow chart of a vehicle power-down control process provided by an embodiment of the present disclosure; Figure 4 As shown,

[0164] Step B1, start, BMS starts inspection to obtain status parameters;

[0165] Step B2, determining whether the state parameter meets the preset parameter conditions;

[0166] Step B3, when the state parameter meets the preset parameter condition, determine whether the state of charge value is greater than a preset charge threshold;

[0167] Step B4, when the state of charge value is greater than the preset charge threshold, start timing, that is, detect the duration of the situation where the state of charge value is greater than the preset charge threshold;

[0168] Step B5, condition 1, i.e., the state parameter satisfies the preset parameter condition, condition 2, i.e., the state of charge value is greater than the preset charge threshold value, and it is determined whether condition 1 and condition 2 are simultaneously satisfied within a preset first time period;

[0169] Step B6, determining whether the state of charge value is less than or equal to a preset charge threshold;

[0170] Step B7, when the state of charge value is less than or equal to the preset charge threshold, start timing, that is, detect the duration of the situation where the state of charge value is greater than the preset charge threshold;

[0171] Step B8, condition 1, i.e., the state parameter satisfies the preset parameter condition, condition 3, i.e., the state of charge value is less than or equal to the preset charge threshold value, and it is determined whether condition 1 and condition 3 are simultaneously satisfied within the preset second time period;

[0172] Step B9, when condition 1 and condition 2 are satisfied at the same time within the preset first time period, a prompt page is displayed; when condition 1 and condition 3 are satisfied at the same time within the preset second time period, a prompt page is displayed;

[0173] Step B10, determining whether the page is closed within the timing time, that is, whether the user operates the prompt page;

[0174] Step B11: If the page is closed within the timer period, the vehicle will not be powered off;

[0175] Step B12: If the page is not closed within the timing time, the vehicle will be powered off.

[0176] In addition, in step B5, if condition 1 is not met, return to step B1 to exit the current inspection, reset the duration and re-inspect the process. If condition 2 is not met, it means that the charge state value is less than or equal to the preset charge threshold, and enter step B7; similarly, in step B8, if condition 1 is not met, return to step B1 to exit the current inspection, reset the duration and re-inspect the process. If condition 3 is not met, it means that the charge state value is greater than the preset charge threshold, and enter step B4.

[0177] Figure 5 Schematic diagram of the structure of the vehicle power recovery system provided by the embodiment of the present disclosure. Figure 5 Shown, including

[0178] Battery management module 501, body controller 502;

[0179] The battery management module 501 is used to obtain the state parameters of the vehicle and determine whether the state parameters of the vehicle meet the preset parameter conditions; the state parameters include the state of the vehicle power switch, the battery switch state, the vehicle gear position and the vehicle speed;

[0180] The battery management module 501 obtains the current capacity of the battery, and when the current capacity is continuously within a preset capacity range and the duration reaches a preset time, sends a control request to the vehicle body controller 502 to control the vehicle to power down;

[0181] The vehicle body controller 502 is used to set the vehicle power switch to off after receiving the power-off instruction.

[0182] Optionally, the preset parameter conditions include: the vehicle is powered on, the vehicle is unmanned;

[0183] The battery management module is used to

[0184] Acquiring the vehicle power switch state and the battery switch state, and determining that the vehicle is in the power-on state when both the vehicle power switch state and the battery switch state are on;

[0185] Acquiring the vehicle gear position and the vehicle speed, and determining that the vehicle is in the unmanned operation state when the vehicle gear position is a parking gear position or a neutral gear and the vehicle speed is less than a preset speed threshold;

[0186] Obtain a state of charge value of the battery; the state of charge value represents a ratio of a current capacity to a full capacity.

[0187] Optionally, the battery management module is used to

[0188] When the current capacity is continuously greater than a preset capacity threshold and the duration reaches a preset first duration, controlling the vehicle to enter a power-off state; the power-off state indicates that the vehicle power switch is turned off;

[0189] When the current capacity is continuously less than or equal to the preset capacity threshold and the duration reaches a preset second time duration, the vehicle is controlled to enter a power-off state; and the preset first time duration is greater than the preset second time duration.

[0190] Optionally, the battery management module is used to

[0191] When the current capacity is continuously within the preset capacity range and the duration reaches a preset time, a prompt message is sent to the vehicle-mounted terminal of the vehicle; the vehicle-mounted terminal is used to generate and display a prompt page according to the prompt message;

[0192] When the user intervention information returned by the vehicle terminal is not received, the vehicle is controlled to enter a power-off state; the user intervention information is generated by the vehicle terminal in response to the user's operation on the prompt page.

[0193] Optionally, the battery management module is used to

[0194] Sending a prompt message carrying the timing time to the vehicle terminal of the vehicle; the vehicle terminal is used to generate a prompt page according to the prompt message and display it within the time period indicated by the timing time;

[0195] The step of controlling the vehicle to enter a power-off state when the user intervention information returned by the vehicle-mounted terminal is not received includes:

[0196] When the user intervention information returned by the vehicle-mounted terminal is still not received after the time period has passed, the vehicle is controlled to enter a power-off state.

[0197] Optionally, the prompt page includes a confirmation control and a cancel control; the battery management module is further used to:

[0198] When receiving the user cancellation information returned by the vehicle terminal, the vehicle is controlled to remain powered on; the user cancellation information is generated by the vehicle terminal in response to the user's operation on the cancellation control.

[0199] When receiving user confirmation information returned by the vehicle-mounted terminal within the time period, the vehicle is controlled to enter a power-off state; the user confirmation information is generated by the vehicle-mounted terminal in response to the user's operation on the confirmation control.

[0200] Figure 6 : is a schematic diagram of the structure of a vehicle power recovery device provided by an embodiment of the present disclosure, comprising:

[0201] The vehicle status module 601 is used to obtain the status parameters of the vehicle; the status parameters include the vehicle power switch status, battery switch status, vehicle gear position and vehicle speed;

[0202] The battery operating condition module 602 is used to obtain the current capacity of the battery when the state parameter meets the preset parameter condition;

[0203] The power-down control module 603 is used to control the vehicle to power down when the current capacity is continuously within a preset capacity range and the duration reaches a preset time.

[0204] Optionally, the preset parameter conditions include: the vehicle is powered on, the vehicle is unmanned; the battery operating condition module includes:

[0205] A power-on judgment submodule, used to obtain the vehicle power switch state and the battery switch state, and determine that the vehicle is in the power-on state when the vehicle power switch state and the battery switch state are both on;

[0206] an unmanned operation submodule, for obtaining the vehicle gear position and the vehicle speed, and determining that the vehicle is in the unmanned operation state when the vehicle gear position is a parking gear position or a neutral gear and the vehicle speed is less than a preset speed threshold;

[0207] The charge acquisition submodule is used to obtain the charge state value of the battery; the charge state value represents the ratio of the current capacity to the full capacity.

[0208] Optional, power-off control module, including:

[0209] A first power-off electronic module, configured to control the vehicle to enter a power-off state when the current capacity is continuously greater than a preset capacity threshold value and the duration reaches a preset first time length; the power-off state indicates that the vehicle power switch is turned off;

[0210] The second power-off electronic module is used to control the vehicle to enter a power-off state when the current capacity is continuously less than or equal to the preset capacity threshold and the duration reaches a preset second time length; the preset first time length is greater than the preset second time length.

[0211] Optional, power-off control module, including:

[0212] The terminal prompt submodule is used to send a prompt message to the vehicle terminal of the vehicle when the current capacity is continuously within the preset capacity range and the duration reaches a preset time; the vehicle terminal is used to generate a prompt page according to the prompt message and display it;

[0213] The user intervention submodule is used to control the vehicle to enter a power-off state when no user intervention information returned by the vehicle terminal is received; the user intervention information is generated by the vehicle terminal in response to the user's operation on the prompt page.

[0214] Optional, terminal prompt submodule, including:

[0215] A timing prompt unit, used to send a prompt message carrying the timing time to the vehicle-mounted terminal of the vehicle; the vehicle-mounted terminal is used to generate a prompt page according to the prompt message and display it within the time period indicated by the timing time;

[0216] User intervention submodule, including:

[0217] The intervention information unit is used to control the vehicle to enter a power-off state when the user intervention information returned by the vehicle-mounted terminal is not received after the time period has passed.

[0218] Optionally, the prompt page includes a confirmation control and a cancel control; the device further includes:

[0219] The user cancellation module is used to control the vehicle to remain powered on when receiving user cancellation information returned by the vehicle terminal; the user cancellation information is generated by the vehicle terminal in response to the user's operation on the cancellation control.

[0220] The user confirmation module is used to control the vehicle to enter a power-off state when receiving user confirmation information returned by the vehicle terminal within the time period; the user confirmation information is generated by the vehicle terminal in response to the user's operation on the confirmation control.

[0221] In summary, in the disclosed embodiment, by obtaining the vehicle's state parameters; the state parameters include the vehicle power switch state, battery switch state, vehicle gear and vehicle speed; when the state parameters meet the preset parameter conditions, the current capacity of the battery is obtained; when the current capacity continues to be in the preset capacity range and the duration reaches the preset time, the vehicle is controlled to de-energize. When the vehicle's external state meets the conditions, the internal state of the vehicle's battery's current capacity is obtained, and then the vehicle's de-energization control is performed based on the capacity range of the battery's current capacity and the corresponding preset time, thereby improving the accuracy of the vehicle's de-energization control.

[0222] The present disclosure also provides an electronic device, such as Figure 7 As shown, it includes a processor 1001 , a communication interface 1002 , a memory 1003 and a communication bus 1004 , wherein the processor 1001 , the communication interface 1002 , and the memory 1003 communicate with each other via the communication bus 1004 .

[0223] The memory 1003 is used to store computer programs.

[0224] When the processor 1001 is used to execute the program stored in the memory 1003, the following steps are implemented: obtaining the status parameters of the vehicle; the status parameters include the power switch status of the vehicle, the battery switch status, the vehicle gear and the vehicle speed; when the status parameters meet the preset parameter conditions, obtaining the current capacity of the battery; when the current capacity is continuously within the preset capacity range and the duration reaches a preset time, controlling the vehicle to de-power.

[0225] Among them, the processor 1001 can also implement other steps in the above-mentioned vehicle power-off method, which will not be repeated here.

[0226] The communication bus mentioned in the above electronic device can be a Peripheral Component Interconnect (PCI) bus or an Extended Industry Standard Architecture (EISA) bus, etc. The communication bus can be divided into an address bus, a data bus, a control bus, etc. For ease of representation, only one thick line is used in the figure, but it does not mean that there is only one bus or one type of bus.

[0227] The communication interface is used for communication between the above electronic device and other devices.

[0228] The memory may include a random access memory (RAM) or a non-volatile memory, such as at least one disk memory. Optionally, the memory may also be at least one storage device located away from the aforementioned processor.

[0229] The above-mentioned processor can be a general-purpose processor, including a central processing unit (CPU), a network processor (NP), etc.; it can also be a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components.

[0230] In another embodiment provided by the present disclosure, a computer-readable storage medium is also provided, in which instructions are stored. When the computer-readable storage medium is executed on a computer, the computer executes the vehicle power-off method described in the above embodiment.

[0231] In another embodiment provided by the present disclosure, a computer program product including instructions is also provided. When the computer program product is run on a computer, the computer is enabled to execute the vehicle power-off method described in the above embodiment.

[0232] In the above embodiments, it can be implemented in whole or in part by software, hardware, firmware or any combination thereof. When implemented by software, it can be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the process or function described in the embodiment of the present disclosure is generated in whole or in part. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions can be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, the computer instructions can be transmitted from a website site, computer, server or data center by wired (e.g., coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) mode to another website site, computer, server or data center. The computer-readable storage medium can be any available medium that a computer can access or a data storage device such as a server or data center that includes one or more available media integrated. The available medium can be a magnetic medium (e.g., a floppy disk, a hard disk, a tape), an optical medium (e.g., a DVD), or a semiconductor medium (e.g., a solid-state hard disk Solid State Disk (SSD)), etc.

[0233] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0234] Each embodiment in this specification is described in a related manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. For the embodiments of the device, electronic device, computer-readable storage medium and computer program products containing instructions, since they are basically similar to the method embodiments, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiments.

[0235] The above description is only a preferred embodiment of the present disclosure and is not intended to limit the protection scope of the present disclosure. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present disclosure are included in the protection scope of the present disclosure.

Claims

1. A vehicle power-off method, characterized in that: The method comprises: Obtaining vehicle status parameters; the status parameters include vehicle power switch status, battery switch status, vehicle gear position and vehicle speed; When the state parameter meets the preset parameter condition, obtaining the current capacity of the battery; When the current capacity is continuously within a preset capacity range and the duration reaches a preset time, the vehicle is controlled to power down.

2. The method according to claim 1, characterized in that The preset parameter conditions include: the vehicle is in a powered-on state; When the state parameter meets the preset parameter condition, the step of obtaining the current capacity of the battery includes: Acquiring the vehicle power switch state and the battery switch state, and determining that the vehicle is in the power-on state when both the vehicle power switch state and the battery switch state are on; Obtain a state of charge value of the battery; the state of charge value represents a ratio of a current capacity to a full capacity.

3. The method according to claim 1, characterized in that The preset parameter conditions include: the vehicle is in an unmanned operation state; When the state parameter meets the preset parameter condition, the step of obtaining the current capacity of the battery includes: Acquiring the vehicle gear position and the vehicle speed, and determining that the vehicle is in the unmanned operation state when the vehicle gear position is a parking gear position or a neutral gear and the vehicle speed is less than a preset speed threshold; Obtain a state of charge value of the battery; the state of charge value represents a ratio of a current capacity to a full capacity.

4. The method according to claim 1, characterized in that: Different preset capacity ranges correspond to different preset durations; When the current capacity is continuously within a preset capacity range and the duration reaches a preset time, the step of controlling the vehicle to power down comprises: When the current capacity is continuously greater than a preset capacity threshold and the duration reaches a preset first time length, controlling the vehicle to enter a power-off state; The power-off state indicates that the vehicle power switch is turned off; and / or When the current capacity is continuously less than or equal to the preset capacity threshold and the duration reaches a preset second time duration, the vehicle is controlled to enter a power-off state; and the preset first time duration is greater than the preset second time duration.

5. The method according to claim 1, characterized in that When the current capacity is continuously within a preset capacity range and the duration reaches a preset time, the step of controlling the vehicle to power down comprises: When the current capacity is continuously within the preset capacity range and the duration reaches a preset time, a prompt message is sent to the vehicle-mounted terminal of the vehicle; the vehicle-mounted terminal is used to generate and display a prompt page according to the prompt message; When the user intervention information returned by the vehicle terminal is not received, the vehicle is controlled to enter a power-off state; the user intervention information is generated by the vehicle terminal in response to the user's operation on the prompt page.

6. The method according to claim 5, characterized in that The step of sending a prompt message to the vehicle-mounted terminal of the vehicle comprises: Sending a prompt message carrying the timing time to the vehicle terminal of the vehicle; the vehicle terminal is used to generate a prompt page according to the prompt message and display it within the time period indicated by the timing time; When the user intervention information returned by the vehicle-mounted terminal is not received, the step of controlling the vehicle to enter a power-off state includes: When the user intervention information returned by the vehicle-mounted terminal is still not received after the time period has passed, the vehicle is controlled to enter a power-off state.

7. The method according to claim 5, characterized in that The prompt page includes a confirmation control and a cancel control; the method further includes: Upon receiving user cancellation information returned by the vehicle terminal, controlling the vehicle to remain powered on; the user cancellation information is generated by the vehicle terminal in response to a user operation on the cancellation control; When receiving the user confirmation information returned by the vehicle terminal, the vehicle is controlled to enter a power-off state; the user confirmation information is generated by the vehicle terminal in response to the user's operation on the confirmation control.

8. A vehicle power-down system, characterized in that: include: Battery management module, body controller; The battery management module is used to obtain the state parameters of the vehicle and determine that the state parameters of the vehicle meet the preset parameter conditions; the state parameters include the state of the vehicle power switch, the battery switch state, the vehicle gear position and the vehicle speed; The battery management module obtains the current capacity of the battery, and when the current capacity is continuously within a preset capacity range and the duration reaches a preset time, sends a control request to the vehicle body controller to control the vehicle to power down; The vehicle body controller is used to set the vehicle power switch to off after receiving the power-off instruction.

9. A vehicle power-reducing device, characterized in that: The device comprises: The vehicle status module is used to obtain the vehicle status parameters; the status parameters include the vehicle power switch status, battery switch status, vehicle gear position and vehicle speed; A battery operating condition module, used for obtaining the current capacity of the battery when the state parameter meets the preset parameter condition; The power-reduction control module is used to control the vehicle to reduce power when the current capacity is continuously within a preset capacity range and the duration reaches a preset time.

10. An electronic device, characterized in that: include: A processor, a communication interface, a memory and a communication bus; wherein the processor, the communication interface and the memory communicate with each other via the communication bus; Memory, used to store computer programs; The processor is used to implement the steps in the vehicle power-reducing method as described in any one of claims 1 to 7 when executing the program stored in the memory.

11. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the program is executed by a processor, the steps of the vehicle power-off method as claimed in any one of claims 1 to 7 are implemented.

12. A vehicle, characterized in that: The vehicle power recovery device includes the vehicle power recovery device according to claim 9, or the electronic device according to claim 10.

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