Charging method, device and equipment for vehicle storage battery and storage medium

Abstract

The invention provides a charging method, device and equipment for a vehicle storage battery and a storage medium, and the method comprises the steps: obtaining the current state information of a vehicle before the vehicle is powered off, the state information of the vehicle comprises one or more of a high-voltage power-on duration value of the vehicle, a temperature value of an environment where the vehicle is located, a residual electric quantity value of a power battery of the vehicle and a voltage value of a storage battery of the vehicle; determining a time interval value of charging of the storage battery based on the current state information of the vehicle; and after the vehicle is powered off, if the storage battery meets a charging condition, charging of the storage battery is started, and the charging condition comprises whether the power-off time value of the vehicle exceeds the time interval value or not. According to the charging method of the vehicle storage battery, the charging time interval value of the storage battery can be intelligently adjusted, and then the problem of service life attenuation of the storage battery is effectively solved.

Description

Technical Field

[0001] The present application relates to the technical field of vehicle battery equipment, and in particular to a method, device, equipment and storage medium for charging a vehicle battery. Background Art

[0002] Generally speaking, traditional fuel vehicles use generators to recharge low-voltage 12V batteries after the engine is started. However, if the engine is not started for a long time, the 12V battery will be exhausted due to the static current consumption of the vehicle and the self-discharge of the battery, making the vehicle unable to start. The logic of recharging the low-voltage 12V battery of new energy vehicles is: after the high-voltage power of the vehicle is completed, the DC-DC converter converts the high-voltage power of the power battery into 14.5V low-voltage power to recharge the low-voltage 12V battery.

[0003] However, the current way of recharging the 12V battery in new energy vehicles is prone to causing the problem of excessive power consumption of the power battery when recharging the 12V battery; or, there is still the problem of low-voltage 12V battery power shortage. Summary of the invention

[0004] In view of the above problems, the present application provides a vehicle battery charging method, device, equipment and storage medium, which can intelligently adjust the time interval value of battery charging, thereby effectively improving the battery life attenuation problem.

[0005] According to a first aspect of an embodiment of the present application, a method for recharging a vehicle battery is provided, the method comprising: before the vehicle is powered off, obtaining current status information of the vehicle, the status information of the vehicle comprising one or more of a high-voltage power-on duration value of the vehicle, an ambient temperature value of the vehicle, a remaining power value of the vehicle's power battery, and a battery voltage value of the vehicle; determining a time interval value for recharging the battery based on the current status information of the vehicle; after the vehicle is powered off, if the battery meets a recharging condition, starting to recharge the battery, the recharging condition comprising whether the power-off time value of the vehicle exceeds the time interval value.

[0006] In an optional manner, the current status information of the vehicle includes the high-voltage power-on duration of the vehicle, the ambient temperature of the vehicle, the remaining power of the vehicle's power battery and the battery voltage of the vehicle; the method for determining the time interval for battery replenishment based on the current status information of the vehicle includes: determining a first time reference value, a second time reference value, a third time reference value and a fourth time reference value in sequence based on the high-voltage power-on duration of the vehicle, the ambient temperature of the vehicle, the remaining power of the vehicle's power battery and the battery voltage of the vehicle; determining the time interval value based on the first time reference value, the second time reference value, the third time reference value and the fourth time reference value.

[0007] In an optional manner, the method for determining the time interval value based on the first time reference value, the second time reference value, the third time reference value and the fourth time reference value includes: taking the minimum value among the first time reference value, the second time reference value and the fourth time reference value as the fifth time reference value; and taking the maximum value among the fifth time reference value and the fourth time reference value as the time interval value.

[0008] In an optional manner, after the vehicle is powered off, if the battery meets the charging conditions, the method for starting to recharge the battery includes: after the vehicle is powered off, if the power-off time value of the vehicle exceeds the time interval value, determining whether the battery voltage value of the vehicle is less than the battery voltage threshold and determining whether the remaining power value of the power battery of the vehicle is greater than or equal to the remaining power threshold based on the current status information of the vehicle; if both are met, starting to recharge the battery.

[0009] In an optional manner, if the battery meets the charging conditions, the method for starting to recharge the battery includes: if the battery meets the charging conditions, controlling the battery management system to enter a sleep mode and waking up the corresponding controller, the controller including a vehicle controller, a DC-DC converter and a vehicle networking system; initializing the controller; if the controller initialization fails, controlling the vehicle to enter a sleep mode.

[0010] In an optional manner, the method further includes: if the controller is successfully initialized, controlling the battery management system to recharge the battery; when recharging the battery, if a fault condition is reached, controlling the battery management system to enter a sleep mode; wherein the fault condition includes at least one of the vehicle having a high voltage fault, the power-on time exceeding a preset power-on time value, or the vehicle's power battery remaining power value being less than a preset power battery remaining power value.

[0011] In an optional manner, the method further includes: after the battery is charged, obtaining the current power information of the battery; sending the battery power information to a corresponding terminal, the terminal including at least one of a vehicle-mounted terminal and a mobile electronic device.

[0012] According to a second aspect of an embodiment of the present application, a charging device for a vehicle battery is provided, comprising: an acquisition module, for acquiring current status information of the vehicle before the vehicle is powered off, the status information of the vehicle including one or more of a high-voltage power-on duration value of the vehicle, an ambient temperature value of the vehicle, a remaining power value of the power battery of the vehicle and a battery voltage value of the vehicle; a determination module, for determining a time interval value for charging the battery based on the current status information of the vehicle; and a charging module, for starting to charge the battery after the vehicle is powered off if the battery meets a charging condition, the charging condition including whether the power-off time value of the vehicle exceeds the time interval value.

[0013] According to a third aspect of an embodiment of the present application, an electronic device is provided, comprising: a controller; and a memory for storing one or more programs, wherein when the one or more programs are executed by the controller, the controller implements the above-mentioned vehicle battery charging method.

[0014] According to a fourth aspect of an embodiment of the present application, a computer-readable storage medium is provided, in which a computer program is stored. The computer program includes at least one executable instruction. When the executable instruction is executed on a charging device / electronic device for a vehicle battery, the charging device / electronic device for the vehicle battery performs the operation of the above-mentioned vehicle battery charging method.

[0015] In the present application, the time interval for recharging the battery is determined based on the current status information of the vehicle before powering off (the status information includes one or more of the vehicle's high-voltage power-on duration, the vehicle's ambient temperature, the vehicle's power battery remaining power, and the vehicle's battery voltage), and after the vehicle is powered off, if the battery meets the recharging conditions (the recharging conditions include whether the vehicle's power-off time exceeds the time interval), the battery starts to be recharged. Therefore, the vehicle battery recharging method can intelligently adjust the battery recharging time interval, thereby effectively improving the battery life attenuation problem, and avoiding the problem of excessive power consumption of the power battery due to the battery's inability to recharge in time and frequent recharging.

[0016] The above description is only an overview of the technical solution of the embodiment of the present application. In order to more clearly understand the technical means of the embodiment of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the embodiment of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are only used to illustrate the embodiments and are not to be considered as limiting the present application. In addition, the same reference symbols are used to represent the same components throughout the accompanying drawings. In the accompanying drawings:

[0018] Figure 1 A schematic block diagram of the process of S210 - 230 of a vehicle battery charging method provided in an embodiment of the present application is shown.

[0019] Figure 2 A schematic block diagram of the process of S221 - 222 of a vehicle battery charging method provided in an embodiment of the present application is shown.

[0020] Figure 3 A schematic block diagram of the process steps S2221 - 2222 of a vehicle battery charging method provided in an embodiment of the present application is shown.

[0021] Figure 4 A schematic structural diagram of a vehicle battery charging device provided in an embodiment of the present application is shown.

[0022] Figure 5 It is a structural diagram of a computer system of an electronic device according to an embodiment of the present application. DETAILED DESCRIPTION

[0023] Here, exemplary embodiments will be described in detail, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present application. Instead, they are only examples of devices and methods consistent with some aspects of the present application as detailed in the attached claims.

[0024] The block diagrams shown in the accompanying drawings are merely functional entities and do not necessarily correspond to physically independent entities. That is, these functional entities may be implemented in software form, or in one or more hardware modules or integrated circuits, or in different networks and / or processor devices and / or microcontroller devices.

[0025] The flowcharts shown in the accompanying drawings are only exemplary and do not necessarily include all the contents and operations / steps, nor must they be executed in the order described. For example, some operations / steps can be decomposed, and some operations / steps can be combined or partially combined, so the actual execution order may change according to actual conditions.

[0026] The term "multiple" as used in this application refers to two or more than two. "And / or" describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can mean: A exists alone, A and B exist at the same time, and B exists alone. The character " / " generally indicates that the related objects are in an "or" relationship.

[0027] Generally speaking, traditional fuel vehicles use generators to recharge low-voltage 12V batteries after the engine is started. However, if the engine is not started for a long time, the 12V battery will be exhausted due to the static current consumption of the vehicle and the self-discharge of the battery, making the vehicle unable to start. The logic of recharging the low-voltage 12V battery of new energy vehicles is: after the high-voltage power of the vehicle is completed, the DC-DC converter converts the high-voltage power of the power battery into 14.5V low-voltage power to recharge the low-voltage 12V battery.

[0028] However, the current way of recharging 12V batteries in new energy vehicles is prone to causing excessive power consumption of the power battery when recharging the 12V battery; or, there is still a problem of low-voltage 12V battery power shortage.

[0029] Based on this, the present application proposes a vehicle battery recharging method that can intelligently adjust the time interval for battery recharging, which can effectively improve the problem of battery life degradation, resulting in the inability to recharge in time, and frequent recharging resulting in excessive power consumption of the power battery.

[0030] In this application, the battery is a low voltage 12V battery.

[0031] First of all, it should be noted that the battery in this application is a device that directly converts chemical energy into electrical energy. It is a battery designed to be rechargeable and rechargeable through a reversible chemical reaction. It usually refers to a lead-acid battery, which is a type of battery and belongs to a secondary battery. Among them, the battery on the vehicle is commonly known as a battery. For example, the battery is a 12V battery pack composed of 6 lead-acid batteries connected in series.

[0032] Furthermore, the functions of the vehicle's 12V battery mainly include driving the vehicle's electric motor, powering the low-voltage electrical system, supporting the safety driving system, and providing power for vehicle networking technology.

[0033] For example, driving a car's electric motor: During starting and acceleration, the 12V battery supports the car's electric motor by providing the necessary voltage and current. This is achieved through deep cycle use and powering high-power subsystems, ensuring that the car's power needs are met.

[0034] For example, powering the low-voltage electrical system: The 12V battery is also responsible for providing power to the vehicle's low-voltage electrical system, including but not limited to the in-car entertainment system, lighting system, instrument panel, etc. The normal operation of these systems depends on the stable power supply of the 12V battery.

[0035] For example, supporting safe driving systems: The 12V battery also plays an important role in ensuring safety, for example, providing power for the vehicle's safe driving system to ensure safe operation of the vehicle.

[0036] For example, Internet of Vehicles technology: With the development of Internet of Vehicles technology, the 12V battery also supports the power needs of vehicles to communicate with external networks, allowing vehicles to access the Internet and provide more convenience and information services.

[0037] In summary, the 12V battery of a car is not only a part of the power source, but also undertakes the important task of powering the internal electronic system and safety system of the vehicle. Its normal operation is crucial to ensure the normal operation and driving safety of the vehicle.

[0038] Secondly, it should be noted that the implementation environment of this application includes a terminal, which is used to obtain the current vehicle status information before the vehicle is powered off, and determine the time interval for battery recharging based on the current vehicle status information. After the vehicle is powered off, the terminal controls the vehicle to start recharging the battery when the battery meets the recharging conditions.

[0039] Among them, the implementation environment of the present application may also include a server, which establishes a connection with the terminal via wired or wireless means, and is used to transmit the battery charging information to the user's electronic device, so that the user can check the battery charging information at any time.

[0040] For example, the terminal is a vehicle-mounted terminal, but it is not limited to this. For example, the terminal can also be a vehicle-mounted terminal, an aircraft, or other equipment used in special fields. The terminal can communicate with the server through wireless networks such as 3G (third generation mobile information technology), 4G (fourth generation mobile information technology), and 5G (fifth generation mobile information technology), or communicate with the server through a wired network, and this is not limited here.

[0041] The server can be, for example, an independent physical server, or a server cluster or distributed system composed of multiple physical servers. It can also be a cloud server that provides basic cloud computing services such as cloud services, cloud databases, cloud computing, cloud functions, cloud storage, network services, cloud communications, middleware services, domain name services, security services, CDN (Content Delivery Network), as well as big data and artificial intelligence platforms, which are not limited here.

[0042] It should be understood that cloud technology refers to a hosting technology that unifies hardware, software, network and other resources within a wide area network or local area network to achieve data computing, storage, processing and sharing. Cloud technology is also a general term for network technology, information technology, integration technology, management platform technology, application technology, etc. based on the cloud computing business model application, which can form a resource pool and be used on demand, flexibly and conveniently.

[0043] Figure 1 The schematic flow chart of S210-230 of a vehicle battery charging method provided by an embodiment of the present application is shown. Figure 1 As shown, the method will be described in detail below with the terminal as the specific execution subject. In an exemplary embodiment, the method may include steps S210 to S230, which are described in detail as follows:

[0044] S210: Before the vehicle is powered off, obtain the current status information of the vehicle, where the status information of the vehicle includes one or more of the high voltage power-on time value of the vehicle, the ambient temperature value of the vehicle, the remaining power value of the vehicle's power battery and the battery voltage value of the vehicle.

[0045] S220: Determine a time interval for battery recharging based on current vehicle status information.

[0046] In an exemplary embodiment of the present application, Figure 2 The schematic flow chart of S221-222 of a vehicle battery charging method provided in an embodiment of the present application is shown, combined with Figure 2 As shown, the method for determining the time interval value of battery charging based on the current state information of the vehicle includes steps S221 to S220, which are described in detail as follows:

[0047] S221: Based on the high-voltage power-on time value of the vehicle, the ambient temperature value of the vehicle, the remaining power value of the power battery of the vehicle and the battery voltage value of the vehicle, a first time reference value, a second time reference value, a third time reference value and a fourth time reference value are determined in sequence.

[0048] For example, a method for determining a first time reference value based on a high voltage power-on duration value of a vehicle includes associating the high voltage power-on duration value with the first time reference value, and then searching for a corresponding first time reference value according to different high voltage power-on duration values.

[0049] Optionally, when the single high-voltage power-on time value of the vehicle is greater than or equal to 60 minutes, the first time reference value may be 24 hours; when the single high-voltage power-on time value of the vehicle is 50 minutes, the first time reference value may be 20 hours; when the single high-voltage power-on time value of the vehicle is 40 minutes, the first time reference value may be 16 hours; when the single high-voltage power-on time value of the vehicle is 30 minutes, the first time reference value may be 12 hours; when the single high-voltage power-on time value of the vehicle is 20 minutes, the first time reference value may be 8 hours; when the single high-voltage power-on time value of the vehicle is less than or equal to 10 minutes, the first time reference value may be 4 hours.

[0050] It should be understood that after the vehicle's high voltage is powered on, the battery management system (BMS) can intelligently adjust the first time reference value of the low-voltage 12V battery according to the duration of a single high-voltage power-on. The longest time shall not exceed 24 hours, and the shortest time shall not be less than 4 hours. The intermediate subdivision data can be obtained by linear interpolation.

[0051] For example, the method for determining the second time reference value based on the ambient temperature value of the vehicle includes: associating the ambient temperature value with the second time reference value, and then searching for the corresponding second time reference value according to different ambient temperature values.

[0052] Optionally, when the ambient temperature value is greater than or equal to 0°C, the second time reference value may be 24 hours; when the ambient temperature value is -5°C, the second time reference value may be 20 hours; when the ambient temperature value is -10°C, the second time reference value may be 16 hours; when the ambient temperature value is -15°C, the second time reference value may be 12 hours; when the ambient temperature value is -20°C, the second time reference value may be 8 hours; when the ambient temperature value is less than or equal to -25°C, the second time reference value may be 4 hours.

[0053] It should be understood that after the vehicle's high voltage is powered on, the battery management system (BMS) can intelligently adjust the second time reference value of the low-voltage 12V battery according to the current ambient temperature. The longest time does not exceed 24 hours, and the shortest time is not less than 4 hours. The intermediate subdivision data can be obtained by linear interpolation.

[0054] For example, a method for determining a third time reference value based on a vehicle's power battery remaining power value includes associating the vehicle's power battery remaining power value with a third time reference value, and then searching for a corresponding third time reference value based on different power battery remaining power values.

[0055] Optionally, when the remaining power value of the power battery is less than or equal to 5%, the third time reference value may be 24 hours; when the remaining power value of the power battery is 6%, the third time reference value may be 20 hours; when the remaining power value of the power battery is 7%, the third time reference value may be 16 hours; when the remaining power value of the power battery is 8%, the third time reference value may be 12 hours; when the remaining power value of the power battery is 9%, the third time reference value may be 8 hours; when the remaining power value of the power battery is greater than or equal to 10%, the third time reference value may be 4 hours.

[0056] It should be understood that after the vehicle's high voltage is powered on, the battery management system (BMS) can intelligently adjust the third time reference value of the low-voltage 12V battery according to the current remaining power of the power battery. The longest time shall not exceed 24 hours, and the shortest time shall not be less than 4 hours. The intermediate subdivision data can be obtained by linear interpolation.

[0057] For example, the method for determining the fourth time reference value based on the battery voltage value of the vehicle includes: associating the battery voltage value of the vehicle with the fourth time reference value, and then searching for the corresponding fourth time reference value according to different battery voltage values.

[0058] Optionally, when the battery voltage value is greater than or equal to 12.8, the fourth time reference value may be 24 hours; when the battery voltage value is equal to 12.6, the fourth time reference value may be 20 hours; when the battery voltage value is equal to 12.4, the fourth time reference value may be 16 hours; when the battery voltage value is equal to 12.2, the fourth time reference value may be 12 hours; when the battery voltage value is equal to 12, the fourth time reference value may be 8 hours; when the battery voltage value is less than or equal to 11.8, the fourth time reference value may be 4 hours.

[0059] It should be understood that after the vehicle's high voltage is powered on, the battery management system (BMS) can intelligently adjust the fourth time reference value of the low-voltage 12V battery according to the current low-voltage 12V battery voltage. The longest time does not exceed 24 hours, and the shortest time is not less than 4 hours. The intermediate subdivision data can be obtained by linear interpolation.

[0060] S222: Determine a time interval value based on the first time reference value, the second time reference value, the third time reference value, and the fourth time reference value.

[0061] In an exemplary embodiment of the present application, in order to more accurately determine the time interval value for battery recharging, the vehicle status information includes the vehicle's high voltage power-on duration value, the vehicle's ambient temperature value, the vehicle's power battery remaining power value, and the vehicle's battery voltage value. Therefore, when determining the time interval value, the time interval value can be determined based on the first time reference value, the second time reference value, the third time reference value, and the fourth time reference value.

[0062] It should be understood that the high-voltage power-on duration value, the ambient temperature value, the remaining power value of the power battery and the low-voltage battery voltage value are all factors that affect the low-voltage battery recharge time interval value. Therefore, the first time reference value, the second time reference value, the third time reference value and the fourth time reference value determined based on the high-voltage power-on duration value, the ambient temperature value, the remaining power value of the power battery and the low-voltage battery voltage value are jointly determined to determine the time interval value, which can more accurately determine the time interval value.

[0063] Of course, in other embodiments, the vehicle status information may also include one or a combination of three or less of the vehicle's high voltage power-on duration, the vehicle's ambient temperature, the vehicle's power battery remaining capacity, and the vehicle's battery voltage. In this case, it is only necessary to determine the time interval value separately according to the corresponding first time reference value, second time reference value, third time reference value, and fourth time reference value, or determine the time interval value by the average value of multiple reference values.

[0064] In an exemplary embodiment of the present application, Figure 3 A schematic flow chart of steps S2221-2222 of a vehicle battery charging method provided in an embodiment of the present application is shown, combined with Figure 3 As shown, the method steps S2221 to S2222 of determining the time interval value based on the first time reference value, the second time reference value, the third time reference value and the fourth time reference value are described in detail as follows:

[0065] S2221: Taking the minimum value among the first time reference value, the second time reference value and the fourth time reference value as the fifth time reference value.

[0066] S2222: Taking the maximum value of the fifth time reference value and the fourth time reference value as the time interval value, so as to more accurately determine the time interval value.

[0067] In an exemplary embodiment of the present application, after the time interval value is obtained, the time interval value is written into an electrically erasable programmable read-only memory (EEPROM) for use in timing the self-wake-up time of the BMS.

[0068] S230: After the vehicle is powered off, if the battery meets the charging condition, the battery starts to be charged. The charging condition includes whether the power-off time value of the vehicle exceeds the time interval value.

[0069] In an exemplary embodiment of the present application, when the vehicle is powered off and in sleep mode, the real-time clock chip (RTC) inside the BMS controller enters the timing mode. If the accumulated timing exceeds the time interval value, the RTC will automatically send a wake-up signal to wake up the BMS so that the battery can start to be recharged when the battery fully meets the recharging conditions.

[0070] In an exemplary embodiment of the present application, after the vehicle is powered off, if the battery meets the charging conditions, the method for starting to recharge the battery includes: after the vehicle is powered off, if the power-off time value of the vehicle exceeds the time interval value, determining whether the battery voltage value of the vehicle is less than the battery voltage threshold and determining whether the remaining power value of the power battery of the vehicle is greater than or equal to the remaining power threshold of the power battery based on the current vehicle status information; if both are met, starting to recharge the battery.

[0071] For example, when the vehicle is powered off and in hibernation, the RTC inside the BMS controller enters the timing mode. If the accumulated timing exceeds the time interval value, the RTC will automatically send a wake-up signal to wake up the BMS. When the BMS detects that it has been self-awakened by the RTC, it will initialize. If the duration is greater than 5 seconds and it detects that the current battery voltage is less than the battery voltage threshold (for example, less than 12V), and the remaining power of the power battery is greater than or equal to the remaining power threshold (for example, 5%), and the power battery system does not prohibit high-voltage faults and after the power battery allows intelligent low-voltage charging, it will start to replenish the battery.

[0072] In an exemplary embodiment of the present application, if the battery meets the charging conditions, the method for starting to recharge the battery includes: if the battery meets the charging conditions, controlling the battery management system to enter a sleep mode, and waking up the corresponding controller through a network management message, the controller including a vehicle control unit (VCU), a DC-DC converter (DC-DC converter) and a vehicle networking system (T-BOX, Telematics BOX); initializing the controller; if the controller initialization fails, controlling the vehicle to enter a sleep mode.

[0073] For example, when the BMS wakes up the vehicle controller, DC-DC converter, and vehicle networking system through network management messages. If any of them is not awakened, the BMS determines that the battery charging conditions are not met, and the BMS directly jumps to the sleep process. If all are awakened, the DC-DC converter will feedback the standby working state after initialization to the vehicle controller. When the vehicle controller receives the standby working state of each controller, the vehicle controller sends a high-voltage instruction to the BMS.

[0074] In an exemplary embodiment of the present application, the method for recharging a vehicle battery also includes: if the controller is successfully initialized, the battery management system is controlled to recharge the battery; when the battery is recharging, if a fault condition is reached, the battery management system is controlled to enter a sleep mode; wherein the fault condition includes at least one of a high voltage fault in the vehicle, a power-on time exceeding a preset power-on time value, or a remaining power value of the vehicle's power battery being less than a preset remaining power value of the power battery.

[0075] For example, when the BMS receives the high voltage instruction sent by the vehicle controller, it executes the high voltage process, first controls the negative contactor to be attracted, then controls the pre-charge contactor to be attracted, and finally controls the main positive contactor to be attracted. When all contactors are attracted, the pre-charge contactor is disconnected, and the high voltage power-on is completed. If there is a high voltage fault during the high voltage power-on process of the vehicle or the power-on exceeds the preset power-on time value (for example, 5 seconds), the battery management system is directly controlled to enter the sleep mode; or, when the DC-DC converter receives the high voltage power-on completion signal from the BMS, the DC-DC converter converts the high voltage power of the power battery into 14.5V low voltage power to charge the low voltage 12V battery. At this time, the BMS starts counting for 30 minutes. After the time is up, the BMS issues a command to prohibit intelligent 12V power replenishment. If the BMS detects that the remaining power value of the power battery is less than the preset remaining power value of the power battery during the power replenishment process, it will directly jump to the BMS to execute the power-off sleep process.

[0076] In an exemplary embodiment of the present application, the vehicle battery charging method also includes: after the battery is charged, obtaining the current battery power information; sending the battery power information to a corresponding terminal, the terminal including at least one of a vehicle-mounted terminal and a mobile electronic device.

[0077] For example, when the vehicle controller receives a command from the BMS to prohibit intelligent 12V charging, the vehicle controller sends a high-voltage permission command to the BMS. The BMS executes the high-voltage discharge process, first controlling the main positive contactor to disconnect, and then controlling the main negative contactor to disconnect. The BMS sends a signal after the high-voltage discharge is completed to the T-BOX, and the T-BOX sends the power information of the low-voltage 12V battery after the charging to the corresponding terminal (such as a mobile phone, and displays the battery power information in the mobile phone APP), so that users can intuitively confirm whether the vehicle's low-voltage 12V battery is low in power.

[0078] In an exemplary embodiment of the present application, after each vehicle controller enters the low-voltage standby working state, when the BMS detects that the RTC wake-up signal is invalid, it stops sending network management messages and enters sleep mode. The VCU, DCDC, T-BOX and other controllers enter sleep mode after detecting that the sleep conditions of the intelligent 12V power replenishment mode are met, and enter the next intelligent power replenishment cycle.

[0079] In summary, the vehicle battery recharging method of the present application determines the time interval for recharging the battery based on the current status information of the vehicle before powering off (the status information includes one or more of the vehicle's high-voltage power-on duration, the vehicle's ambient temperature, the vehicle's power battery remaining power, and the vehicle's battery voltage) and after the vehicle is powered off, if the battery meets the recharging conditions (the recharging conditions include whether the vehicle's power-off time exceeds the time interval), the battery starts to be recharged. Therefore, the vehicle battery recharging method can intelligently adjust the time interval for recharging the battery, thereby effectively improving the battery life attenuation problem, and avoiding the problem of the battery being unable to be recharged in time and frequent recharging leading to excessive power consumption of the power battery; at the same time, when the vehicle is not started for a long time, after the battery is intelligently recharged, the user can know the vehicle's low-voltage 12V battery voltage and whether it is low power through the mobile phone APP.

[0080] Figure 4 FIG. 3 is a schematic diagram showing the structure of a vehicle control device 300 provided in an embodiment of the present application. Figure 4 As shown, in this embodiment, a vehicle battery charging device 300 is also provided, which is used to execute the vehicle battery charging method in the above embodiment.

[0081] The vehicle battery charging device 300 includes an acquisition module 310, which is used to obtain the current vehicle status information before the vehicle is powered off. The vehicle status information includes one or more of the vehicle's high-voltage power-on time value, the vehicle's ambient temperature value, the vehicle's power battery remaining power value and the vehicle's battery voltage value.

[0082] The charging device 300 for a vehicle battery includes a determination module 320, which is used to determine a time interval for charging the battery based on current vehicle status information.

[0083] The charging device 300 for the vehicle battery includes a charging module 330. The charging module 330 is used to start charging the battery after the vehicle is powered off if the battery meets the charging condition. The charging condition includes whether the power-off time value of the vehicle exceeds the time interval value.

[0084] It should be noted that the vehicle battery charging device 300 provided in the above embodiment and the vehicle battery charging method provided in the above embodiment belong to the same concept, and the specific manner in which each module and unit performs the operation has been described in detail in the method embodiment and will not be repeated here.

[0085] Another aspect of the present application provides an electronic device, including: a controller vehicle memory, used to store one or more programs, when the one or more programs are executed by the controller, to execute the above-mentioned vehicle battery charging method.

[0086] The present application also provides a computer-readable storage medium on which computer-readable instructions are stored. When the computer-readable instructions are executed by a processor of a computer, the computer executes the above-mentioned vehicle battery charging method. Figure 5 , Figure 5 1 is a schematic diagram of the structure of the computer system of the electronic device of the embodiment of the present application. It shows a schematic diagram of the structure of the computer system of the electronic device suitable for implementing the embodiment of the present application.

[0087] It should be noted that Figure 5 The computer system 400 of the electronic device shown is only an example and should not bring any limitation to the functions and scope of use of the embodiments of the present application.

[0088] like Figure 5 As shown, the computer system 400 includes a central processing unit (CPU) 401, which can perform various appropriate actions and processes according to the program stored in the read-only memory (ROM) 402 or the program loaded from the storage part 408 to the random access memory (RAM) 403, such as executing the method in the above embodiment. In the RAM 403, various programs and data required for system operation are also stored. The CPU 401, the ROM 402 and the RAM 403 are connected to each other through the bus 404. The input / output (I / O) interface 405 is also connected to the bus 404. The following components are connected to the I / O interface 405: an input section 406 including a keyboard, a mouse, etc., an output section 407 including a cathode ray tube (CRT), a liquid crystal display (LCD), etc., and a speaker, etc., a storage section 408 including a hard disk, etc., and a communication section 409 including a network interface card such as a LAN (Local Area Network) card, a modem, etc. The communication section 409 performs communication processing via a network such as the Internet. A drive 410 is also connected to the I / O interface 405 as needed. A removable medium 411, such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, etc., is installed on the drive 410 as needed so that a computer program read therefrom is installed into the storage section 408 as needed.

[0089] In particular, according to an embodiment of the present application, the process described above with reference to the flowchart can be implemented as a computer software program. For example, an embodiment of the present application includes a computer program product, which includes a computer program carried on a computer-readable medium, and the computer program includes a computer program for executing the method shown in the flowchart. In such an embodiment, the computer program can be downloaded and installed from a network through a communication section 409, and / or installed from a removable medium 411. When the computer program is executed by a central processing unit (CPU) 401, various functions defined in the system of the present application are executed.

[0090] It should be noted that the computer-readable medium shown in the embodiment of the present application may be a computer-readable signal medium or a computer-readable storage medium or any combination of the above two. The computer-readable storage medium may be, for example, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, device or device, or any combination of the above. More specific examples of computer-readable storage media may include, but are not limited to: an electrical connection with one or more wires, a portable computer disk, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM), a flash memory, an optical fiber, a portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the above. In the present application, a computer-readable storage medium may be any tangible medium containing or storing a program that can be used by or in combination with an instruction execution system, device or device. In the present application, a computer-readable signal medium may include a data signal propagated in a baseband or as part of a carrier wave, which carries a computer-readable computer program. This propagated data signal can take a variety of forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the above. The computer-readable signal medium can also be any computer-readable medium other than a computer-readable storage medium, which can send, propagate, or transmit a program used by or in combination with an instruction execution system, device, or device. The computer program contained on the computer-readable medium can be transmitted by any appropriate medium, including but not limited to: wireless, wired, etc., or any suitable combination of the above. The flowcharts and block diagrams in the accompanying drawings illustrate the possible implementation architecture, functions, and operations of the systems, methods, and computer program products according to various embodiments of the present application. Among them, each box in the flowchart or block diagram can represent a module, a program segment, or a part of the code, and the above module, program segment, or a part of the code contains one or more executable instructions for implementing the specified logical function. It should also be noted that in some alternative implementations, the functions marked in the box can also occur in a different order than the order marked in the accompanying drawings. For example, two boxes represented in succession can actually be executed substantially in parallel, and they can sometimes be executed in the opposite order, depending on the functions involved. It should also be noted that each block in the block diagrams or flowcharts, and combinations of blocks in the block diagrams or flowcharts, can be implemented by a dedicated hardware-based system that performs the specified functions or operations, or can be implemented by a combination of dedicated hardware and computer instructions.

[0091] The units involved in the embodiments described in this application may be implemented by software or hardware, and the units described may also be set in a processor. The names of these units do not, in some cases, constitute limitations on the units themselves.

[0092] Another aspect of the present application further provides a computer-readable storage medium, in which a computer program is stored, and the computer program includes at least one executable instruction, and when the executable instruction is executed on the charging device 300 of the vehicle battery / electronic device, the charging device 300 of the vehicle battery / electronic device performs the operation of the charging method of the vehicle battery as described above. The computer-readable storage medium may be included in the electronic device described in the above embodiment, or may exist independently without being assembled into the electronic device.

[0093] Another aspect of the present application also provides a computer program product or a computer program, which includes computer instructions stored in a computer-readable storage medium. A processor of a computer device reads the computer instructions from the computer-readable storage medium, and the processor executes the computer instructions, so that the computer device executes the vehicle battery charging method provided in each of the above embodiments.

[0094] According to one aspect of an embodiment of the present application, a computer system is also provided, including a central processing unit (CPU), which can perform various appropriate actions and processes according to a program stored in a read-only memory (ROM) or a program loaded from a storage portion to a random access memory (RAM), such as executing the method in the above embodiment. Various programs and data required for system operation are also stored in the RAM. The CPU, ROM, and RAM are connected to each other via a bus. The input / output (I / O) interface is also connected to the bus.

[0095] The following components are connected to the I / O interface: an input part including a keyboard, a mouse, etc., an output part including a cathode ray tube (CRT), a liquid crystal display (LCD), etc., and a speaker, etc., a storage part including a hard disk, etc., and a communication part including a network interface card such as a LAN (Local Area Network) card, a modem, etc. The communication part performs communication processing via a network such as the Internet. A drive is also connected to the I / O interface as needed. Removable media, such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, etc., are installed on the drive as needed so that the computer program read therefrom is installed into the storage part as needed.

[0096] The above content is only a preferred exemplary embodiment of the present application and is not intended to limit the implementation scheme of the present application. A person skilled in the art can easily make corresponding changes or modifications based on the main concept and spirit of the present application. Therefore, the scope of protection of the present application shall be based on the scope of protection required by the claims.

Claims

1. A method for replenishing power of a vehicle battery, characterized in that: The method comprises: Before the vehicle is powered off, obtaining the current status information of the vehicle, the status information of the vehicle including one or more of the high voltage power-on duration of the vehicle, the ambient temperature of the vehicle, the remaining power value of the power battery of the vehicle and the battery voltage value of the vehicle; Determine the time interval for charging the battery based on the current state information of the vehicle; After the vehicle is powered off, if the storage battery meets a charging condition, the storage battery starts to be charged, and the charging condition includes whether the power-off time value of the vehicle exceeds the time interval value.

2. The method according to claim 1, characterized in that The current status information of the vehicle includes the high voltage power-on duration of the vehicle, the ambient temperature of the vehicle, the remaining power of the power battery of the vehicle and the battery voltage of the vehicle; The method for determining the time interval value of the battery replenishment based on the current state information of the vehicle includes: Determine a first time reference value, a second time reference value, a third time reference value and a fourth time reference value in sequence based on a high voltage power-on duration value of the vehicle, an ambient temperature value of the vehicle, a remaining power value of the power battery of the vehicle and a battery voltage value of the vehicle; The time interval value is determined based on the first time reference value, the second time reference value, the third time reference value, and the fourth time reference value.

3. The method according to claim 2, characterized in that The method of determining the time interval value based on the first time reference value, the second time reference value, the third time reference value and the fourth time reference value comprises: taking the minimum value among the first time reference value, the second time reference value and the fourth time reference value as a fifth time reference value; The maximum value of the fifth time reference value and the fourth time reference value is used as the time interval value.

4. The method according to claim 1, characterized in that The method of starting to recharge the battery after the vehicle is powered off if the battery meets the recharging condition comprises: After the vehicle is powered off, if the power-off time value of the vehicle exceeds the time interval value, determining whether the battery voltage value of the vehicle is less than the battery voltage threshold and determining whether the remaining power value of the power battery of the vehicle is greater than or equal to the remaining power threshold of the power battery based on the current state information of the vehicle; If all the conditions are met, the battery starts to be charged.

5. The method according to claim 1, characterized in that If the storage battery meets the charging condition, the method of starting to charge the storage battery comprises: If the battery meets the charging condition, the battery management system is controlled to enter a sleep mode and a corresponding controller is awakened, wherein the controller includes a vehicle controller, a DC-DC converter and a vehicle networking system; Initializing the controller; If the controller fails to initialize, the vehicle is controlled to enter a sleep mode.

6. The method according to claim 5, characterized in that The method further comprises: If the controller is successfully initialized, the battery management system is controlled to recharge the battery; When the battery is being recharged, if a fault condition is met, the battery management system is controlled to enter a sleep mode; wherein the fault condition includes at least one of a high voltage fault in the vehicle, a power-on time exceeding a preset power-on time value, or a remaining power value of the vehicle's power battery being less than a preset remaining power value of the power battery.

7. The method according to claim 1, characterized in that The method further comprises: After the battery is charged, obtaining the current power information of the battery; The power information of the battery is sent to a corresponding terminal, wherein the terminal includes at least one of a vehicle-mounted terminal and a mobile electronic device.

8. A charging device for a vehicle battery, characterized in that: include: An acquisition module, used for acquiring the current status information of the vehicle before the vehicle is powered off, the status information of the vehicle including one or more of the high voltage power-on duration value of the vehicle, the ambient temperature value of the vehicle, the remaining power value of the power battery of the vehicle and the battery voltage value of the vehicle; A determination module, used to determine a time interval for charging the battery based on current status information of the vehicle; The charging module is used to start charging the battery after the vehicle is powered off if the battery meets the charging condition, and the charging condition includes whether the power-off time value of the vehicle exceeds the time interval value.

9. An electronic device, characterized in that: include: Controller; The memory is used to store one or more programs. When the one or more programs are executed by the controller, the controller implements the vehicle battery charging method described in any one of claims 1 to 7.

10. A computer-readable storage medium, characterized in that: The storage medium stores a computer program, which includes at least one executable instruction. When the executable instruction is executed on the charging device / electronic device of the vehicle battery, the charging device / electronic device of the vehicle battery performs the operation of the vehicle battery charging method as described in any one of claims 1 to 7.

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