Vehicle charging control method, device, vehicle and medium

Abstract

This application discloses a vehicle charging control method, comprising: determining a second absolute SOC and the next travel time based on a user's vehicle usage habit data and a first absolute SOC of a battery pack; wherein the vehicle usage habit data includes the user's historical travel time and historical power consumption; obtaining a travel temperature based on the next travel time, and correcting the second absolute SOC based on the travel temperature to obtain a target relative SOC; and controlling the charging of the battery pack based on the target relative SOC. This solution estimates the travel temperature during the next travel time based on the user's vehicle usage habits, and corrects the second absolute SOC based on the travel temperature and the vehicle's current power level to obtain a target relative SOC. The target relative SOC is then used as the basis for controlling the battery's charging, thereby enabling timely charging of the battery, ensuring the vehicle's next normal trip, and enhancing the driving experience for the driver and passengers.

Description

Technical Field

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

[0002] During the operation of an electric vehicle, the target vehicle uses the vehicle controller to manage energy and coordinate control of various components. During driving, the vehicle controller uses a mapping method between absolute SOC (State of Charge) and relative SOC to control and display the relative SOC value, providing more available capacity while maintaining battery safety.

[0003] However, when the target vehicle is stationary for a period of time, the available capacity of the battery will be affected, causing part of the power to be unusable. For example, after an electric vehicle has been stationary for a period of time, the battery temperature will change significantly, which will seriously affect the available capacity of the battery. As a result, there is still a certain amount of power left when the vehicle is parked, but on the next trip, due to the low temperature, part of the power cannot be used, thus affecting the journey and giving the driver and passengers a bad driving experience. Summary of the Invention

[0004] This application addresses the problem of partially unusable battery power under low-temperature conditions, which affects the driver's and passengers' journey. A vehicle charging control method, device, vehicle, and medium are proposed. The specific technical solutions are as follows:

[0005] A vehicle charging control method, the method comprising:

[0006] Determining a second absolute SOC and a next travel time based on the user's vehicle usage habit data and the first absolute SOC of the battery pack; wherein the first absolute SOC is the absolute SOC before the next travel, and the second absolute SOC is the absolute SOC after the next travel, and the vehicle usage habit data includes the user's historical travel time and historical power consumption;

[0007] Acquiring a travel temperature based on the next travel period, and correcting the second absolute SOC based on the travel temperature to obtain a target relative SOC, where the target relative SOC is the relative SOC after the next travel is completed;

[0008] Based on the target relative SOC, charging of the battery pack is controlled.

[0009] Optionally, controlling charging of the battery pack based on the target relative SOC includes:

[0010] Determining whether the target relative SOC is less than a preset value;

[0011] If so, the battery pack is charged.

[0012] Optionally, controlling charging of the battery pack based on the target relative SOC includes:

[0013] Send a prompt message to the user terminal to remind the user to charge the vehicle;

[0014] In response to the charging instruction sent by the user terminal, charging of the battery pack is triggered.

[0015] Optionally, determining the second absolute SOC and the next travel time based on the user's vehicle usage habit data and the first absolute SOC of the battery pack includes:

[0016] Based on the user's car usage habit data, a third absolute SOC is obtained, where the third absolute SOC is the absolute SOC required for the next trip;

[0017] taking the difference between the first absolute SOC and the third absolute SOC as the second absolute SOC;

[0018] A plurality of historical travel time periods are obtained, and an average of the historical travel time periods is used as the next travel time period.

[0019] Optionally, obtaining the travel temperature based on the next travel period includes:

[0020] Based on the next travel period, obtaining temperature values ​​at multiple time points in the next travel period;

[0021] Based on the temperature values ​​at the multiple time points, a travel temperature corresponding to the next travel period is determined.

[0022] Optionally, correcting the second absolute SOC based on the travel temperature to obtain a target relative SOC includes:

[0023] Obtaining the rated capacity of the battery pack and the available capacity corresponding to the travel temperature;

[0024] The second absolute SOC is corrected according to the rated capacity and the available capacity to obtain the target relative SOC.

[0025] In addition, to achieve the above-mentioned purpose, the present application also provides a vehicle charging control device, the device comprising:

[0026] Determination module: used to determine a second absolute SOC and a next travel time based on the user's vehicle usage habit data and the current absolute SOC of the battery pack; wherein the first absolute SOC is the absolute SOC before the next trip, and the second absolute SOC is the absolute SOC after the next trip is completed. The vehicle usage habit data includes the user's historical travel time and historical power consumption;

[0027] an acquisition module configured to obtain a travel temperature based on the next travel period, and to correct the second absolute SOC based on the travel temperature to obtain a target relative SOC, where the target relative SOC is the relative SOC after the next travel is completed;

[0028] A control module is used to control the charging of the battery pack based on the target relative SOC.

[0029] In some embodiments, the apparatus further comprises:

[0030] A sending module is used to send a prompt message to the user terminal when the target relative SOC is less than a preset value to remind the user to charge the vehicle;

[0031] Charging module: used to trigger charging of the battery pack in response to a charging instruction sent by the user terminal.

[0032] In addition, to achieve the above-mentioned purpose, the present application also provides a vehicle, including a processor and a memory, wherein the memory stores machine-executable instructions that can be executed by the processor, and the processor is used to execute the machine-executable instructions to implement the above-mentioned vehicle charging control method.

[0033] In addition, to achieve the above-mentioned purpose, the present application also provides a machine-readable storage medium, characterized in that the machine-readable storage medium stores machine-executable instructions, and the machine-executable instructions implement the above-mentioned vehicle charging control method when executed by the processor.

[0034] This application has the following beneficial effects:

[0035] An embodiment of the present application provides a vehicle charging control method, the method comprising: determining a second absolute SOC and a next travel time period based on a user's vehicle usage habit data and a first absolute SOC of a battery pack; wherein the first absolute SOC is the absolute SOC before the next trip, and the second absolute SOC is the absolute SOC after the next trip is completed, and the vehicle usage habit data includes the user's historical travel time periods and historical power consumption; obtaining a travel temperature based on the next travel time period, and correcting the second absolute SOC based on the travel temperature to obtain a target relative SOC; and controlling the charging of the battery pack based on the target relative SOC.

[0036] In low-temperature environments, the remaining power displayed on the battery of an electric vehicle may be partially unusable, which may affect the driver's travel and lead to a poor driving experience. In the prior art, a method of mapping absolute SOC and relative SOC is used to display the relative SOC to remind the user of the remaining power while maintaining battery safety. However, if the temperature is low during the next trip, the relative SOC displayed value at night may drop sharply, resulting in the user not charging in time, resulting in a poor user experience on the next trip. The embodiments of the present application estimate the travel temperature during the next trip based on the user's driving habits, and correct the second absolute SOC based on the travel temperature and the current power level of the vehicle to obtain a target relative SOC. The target relative SOC is then used as the basis for battery charging control, thereby enabling timely charging of the battery, ensuring the normal operation of the vehicle on the next trip, and improving the driving experience of the driver and passengers. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the technical solution of the present application, the following is a brief introduction to the drawings required for use in the description of the present application. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0038] Figure 1 This is a flow chart of a vehicle charging control method according to an embodiment of the present application;

[0039] Figure 2 This is a logical structure diagram of a vehicle charging control method in an embodiment of the present application;

[0040] Figure 3 Schematic diagram of the principle of correcting the second absolute SOC in a vehicle charging control method in an embodiment of the present application;

[0041] Figure 4 This is a structural diagram of a vehicle charging control device in an embodiment of the present application. DETAILED DESCRIPTION

[0042] To make the above-mentioned purposes, features, and advantages of this application more clearly understood, the present application is further described in detail below with reference to the accompanying drawings and specific embodiments. It is apparent that the embodiments described are only a portion of the embodiments of this application, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments in this application without inventive effort are also within the scope of protection of this application.

[0043] The SOC value displayed on an electronic device is an important indicator for users to evaluate the usable life of the electronic device. In low temperature conditions, the SOC value displayed on the battery is partially unavailable. Therefore, the displayed SOC value is different from the actual available SOC value, which will cause the user to have an incorrect estimate of the vehicle's mileage. It is possible that the vehicle will run out of power halfway due to the incorrect estimate of the vehicle's mileage, resulting in a poor travel experience for the user. In the prior art, there is a solution that maps the displayed SOC value of the battery to the actual power level of the battery. Since some users are accustomed to charging the battery only when the displayed SOC value is 0, and are accustomed to ending the charging operation of the battery only after the displayed SOC value reaches 100%, at this time, since the displayed SOC value of the battery is mapped to the actual power level of the battery, long-term battery charging and discharging operations performed using the above method will cause the battery to be overcharged, thereby greatly reducing the battery's service life. At present, under the premise of maintaining battery safety, the absolute SOC and relative SOC of the battery are mapped to display the relative SOC as the actual available capacity to remind users, where absolute SOC = (rated capacity - used capacity) / rated capacity, relative SOC = (available capacity - used capacity) / available capacity; the available capacity is the maximum capacity that can be discharged by the battery when fully charged at the current temperature.

[0044] However, the relative SOC displayed at different temperatures will change. For example, on the same night, the user finds that there is only 40% of the available power left, which meets the 35% power requirement for vehicle travel, so the user chooses not to charge. However, the next time the temperature drops, 8% of the power is actually unavailable, so the displayed SOC is 32%, which cannot meet the power requirement for the user's travel. Due to the failure to charge in time, the vehicle will run out of power halfway next time, which will bring a bad driving experience to the driver and passengers.

[0045] In the above situation, the solution of this embodiment estimates the travel temperature during the next travel period based on the user's driving habits, and corrects the second absolute SOC based on the travel temperature and the vehicle's current first absolute SOC to obtain the target relative SOC. The target relative SOC is then used as the basis for battery charging control, so that the battery can be charged in time, ensuring the normal travel of the vehicle next time and improving the driving experience of the driver and passengers.

[0046] Reference Figure 1 , Figure 1 A vehicle charging control method according to an embodiment of the present application is shown, the method comprising:

[0047] S101. Determine a second absolute SOC and a next travel time based on the user's vehicle usage habit data and the first absolute SOC of the battery pack; wherein the first absolute SOC is the absolute SOC before the next trip, and the second absolute SOC is the absolute SOC after the next trip is completed, and the vehicle usage habit data includes the user's historical travel time periods and historical power consumption.

[0048] In the specific implementation process, the travel habit data refers to the user's driving data before the next trip, and the travel habit data is stored in the vehicle storage device; the first absolute SOC refers to the remaining capacity of the battery pack before the next trip without considering the temperature; the second absolute SOC refers to the remaining capacity of the battery pack after the next trip is completed without considering the temperature; the next travel period refers to the time period of the user's next trip estimated based on the travel habit data, which is a range value.

[0049] Specifically, a user's travel habit data includes the user's historical travel time periods and historical power consumption. The historical travel time periods are obtained based on the user's travel times on multiple weekdays before the next trip. The average of the travel times on multiple weekdays can be taken, and the error range can be used as the next travel time period. Alternatively, the time period with the largest weight among the travel times on multiple weekdays can be used as the next travel time period. For example, from Monday to Friday last week, the user's travel times were 8:00, 8:10, 8:05, 9:00, and 8:05, respectively. Using the first method, the average of the travel times last week was 8:16, and the error range was 5 minutes, meaning the next travel time period would be 8:11 to 8:21. Using the second method, the time period with the largest travel time weight last week, 8:00 to 8:10, is used as the next travel time period.

[0050] S102 : Acquire a travel temperature based on the next travel period, and correct the second absolute SOC based on the travel temperature to obtain a target relative SOC, where the target relative SOC is the relative SOC after the next travel is completed.

[0051] In practice, the travel temperature can be determined based on the next travel period obtained through the aforementioned process. Specifically, the weather forecast for the next travel period is queried in the connected vehicle system to determine the temperature range for that travel period, and the minimum value within that temperature range is used as the travel temperature. The target relative SOC is a relative SOC value representing the actual remaining capacity after the next trip, excluding the capacity unavailable at low temperatures. This is calculated based on the second absolute SOC and the estimated travel temperature.

[0052] S103 : Control charging of the battery pack based on the target relative SOC.

[0053] In a specific implementation process, the charging of the battery pack is controlled based on the target relative SOC. Specifically, when the target relative SOC is less than a preset value, it is necessary to control the charging of the battery pack.

[0054] In the above-described solution, in low-temperature environments, the remaining power displayed by the electric vehicle battery is partially unusable, which may affect the driver's travel and lead to a poor driving experience. In the prior art, a method of mapping absolute SOC and relative SOC is used to display the relative SOC to remind the user of the remaining power while maintaining battery safety. However, if the temperature is low during the next travel period, the relative SOC displayed that night may drop sharply, so that the user fails to charge the battery in time, resulting in a poor travel experience for the user on the next trip. The embodiment of the present application estimates the travel temperature during the next travel period based on the user's driving habits, and corrects the second absolute SOC based on the travel temperature and the current power level of the vehicle to obtain a target relative SOC. The target relative SOC is then used as the basis for battery charging control, thereby enabling timely charging of the battery, ensuring the normal travel of the vehicle on the next trip, and improving the driving experience of the driver and passengers.

[0055] Optionally, controlling charging of the battery pack based on the target relative SOC includes:

[0056] Determine whether the target relative SOC is less than a preset value; if so, charge the battery pack.

[0057] In a specific implementation, the preset value may be 0. However, if the actual battery capacity is small, the vehicle may not be supplied with sufficient power, which may also cause a poor driving experience for the user. Therefore, the preset value may be 5% or 9%.

[0058] As described above, when the battery level is less than the preset value, the battery pack is charged in a timely manner to ensure the vehicle's next normal trip and enhance the driving experience of the driver and passengers.

[0059] Optionally, controlling charging of the battery pack based on the target relative SOC includes:

[0060] When the target relative SOC is less than the preset value, a prompt message is sent to the user terminal to remind the user to charge the vehicle;

[0061] During the specific implementation process, the user terminal can be a mobile phone, tablet computer, vehicle-mounted equipment, etc. The prompt information sent to the user terminal can be "The vehicle battery is too low, please charge in time" or "The temperature will be low tomorrow, and the vehicle battery cannot meet normal travel needs, please charge in time" to remind users to charge the vehicle in time.

[0062] In response to the charging instruction sent by the user terminal, charging of the battery pack is triggered.

[0063] During the specific implementation process, after the user terminal sends a charging instruction to the vehicle, the vehicle starts charging the battery pack.

[0064] As described above, when the target relative SOC is less than the preset value, a prompt message is sent to the user terminal so that the battery pack of the vehicle can be charged in time, thereby meeting the user's next travel needs.

[0065] Optionally, based on the user's vehicle usage habit data and the current absolute SOC of the battery pack, determining a second absolute SOC and a next travel time period includes:

[0066] S1011. Obtain a third absolute SOC based on the user's vehicle usage habit data, where the third absolute SOC is the absolute SOC required for the next trip.

[0067] In the specific implementation process, the third absolute SOC is the absolute SOC value that the user's vehicle needs to consume on the next trip, estimated based on travel habit data without considering the temperature; the method of estimating the absolute SOC based on historical power consumption is similar to the method of obtaining the next travel period, that is, the power consumed by the user on multiple weekdays can be averaged and an error can be added, or the power consumed by the user on multiple weekdays can be taken from the power range with the largest weight and the maximum value of the power range can be taken. For example, the power consumption from Monday to Friday last week was 10%, 8%, 12%, 20% and 10% respectively. According to the first method, the average power consumption of last week's travel was 12%, and the error was 5%, that is, the absolute SOC required for the next trip was 17%; according to the second method, the power consumption of last week's travel was taken as 8%-12% as the power range, so the absolute SOC required for the next trip is 12%.

[0068] S1012: Utilize a difference between the first absolute SOC and the third absolute SOC as the second absolute SOC.

[0069] In a specific implementation process, the second absolute SOC is obtained by subtracting the first absolute SOC from the third absolute SOC.

[0070] S1013: Acquire multiple historical travel time periods, and use the average of the historical travel time periods as the next travel time period.

[0071] In a specific implementation, referring to step S101 above, the travel times of multiple working days can be averaged, and then the error range can be taken as the next travel period. In this embodiment, the average of the historical travel periods can be directly taken as the next travel period. For example, if the historical travel period of the previous week is 8:05 to 8:20, and the historical travel period of the previous week is 8:00 to 8:10, then the next travel period is 8:02 to 8:15. If the travel periods are not much different, 8:00 to 8:20 can be directly used as the next travel period.

[0072] Optionally, obtaining the travel temperature based on the next travel period includes:

[0073] Based on the next travel period, temperature values ​​at multiple time points in the next travel period are acquired. Based on the temperature values ​​at the multiple time points, a travel temperature corresponding to the next travel period is determined.

[0074] In a specific implementation process, temperature values ​​at multiple time points during the next travel period are obtained, and the minimum temperature value among the multiple temperature values ​​obtained is taken as the travel temperature.

[0075] In the above process, the minimum temperature value among the multiple temperature values ​​obtained is used as the travel temperature, which can meet the control requirements for vehicle charging when the temperature is low, and avoid the situation where the vehicle fails to accurately remind the user to charge when the actual travel time is at the lowest temperature, resulting in the user's mileage not meeting the requirements at this temperature.

[0076] Optionally, the second absolute SOC is corrected based on the travel temperature to obtain a target relative SOC, including.

[0077] The rated capacity of the battery pack and the available capacity corresponding to the travel temperature are obtained.

[0078] The second absolute SOC is corrected according to the rated capacity and the available capacity to obtain the target relative SOC.

[0079] Reference Figure 2 , Figure 2 The logical structure diagram of a vehicle charging control method in this application is shown. Figure 2 , a vehicle charging control method in this application is exemplarily described:

[0080] This solution obtains the user's vehicle usage habit data and the first absolute SOC of the battery pack, and then estimates the travel temperature corresponding to the next travel period and the third absolute SOC required for travel based on the vehicle usage habit data. The second absolute SOC is obtained based on the third absolute SOC and the first absolute SOC. After correcting the second absolute SOC according to the vehicle's travel temperature, a target relative SOC is obtained. When the target relative SOC is less than a preset value, a prompt message is sent to the user terminal to remind the user to charge.

[0081] Specifically, the user's historical travel time periods, historical power consumption, and the vehicle's current SOC are obtained, and the next travel time period and the power required for the trip are estimated. The specific estimation steps refer to the above-mentioned S101 and S1011 steps. The temperature ranges corresponding to multiple time points in the next travel time period are obtained through the vehicle intelligent network system, and the minimum value in the temperature range is taken as the travel temperature. The second absolute SOC is obtained by subtracting the first absolute SOC of the battery from the estimated third absolute SOC required for the trip; the second absolute SOC is mapped to the available capacity at the travel temperature to obtain the target relative SOC, and then it is determined whether the target relative SOC is less than the preset value. If so, a prompt message is sent to the user terminal to remind the user to charge.

[0082] In this solution, the travel temperature during the next travel period is estimated based on the user's driving habits, and the second absolute SOC is corrected based on the travel temperature and the first absolute SOC of the battery pack to obtain the target relative SOC. The target relative SOC is then used as the basis for battery charging control. When the target relative SOC is less than the preset value, the user is promptly reminded to charge the battery, ensuring the normal travel of the vehicle next time and improving the driving experience of the driver and passengers.

[0083] Reference Figure 3 , shows a schematic diagram of the principle of correcting the second absolute SOC in a vehicle charging control method in an embodiment of the present application, combined with Figure 3 Further explanation of a vehicle charging control method in this application:

[0084] exist Figure 3 Middle, Ah 额定 Indicates the rated capacity of the battery; a represents the available capacity Ah of the rated capacity of the battery at the current travel temperature 可用 ; b represents the predicted remaining battery capacity after the vehicle completes its next trip; c represents the actually available capacity of the remaining battery capacity after the next trip; e represents the total capacity of the battery without considering the unavailable capacity of the battery; d represents the remaining battery capacity after the vehicle completes its next trip without considering the unavailable capacity of the battery, where a = e and c = d.

[0085] According to the above content, it can be understood that the second relative SOC is Recorded as SOC1, according to Figure 3 The relationships shown lead to: Since a is Ah 可用 , then we can conclude that

[0086] In addition, since relative SOC = (available capacity - used capacity) / available capacity, without considering the unavailable capacity of the battery, the available capacity is e, and the difference between the available capacity and the used capacity is d, it can be concluded that the target relative SOC is Denoted as SOC2.

[0087] In this case, since a=e and c=d, mapping the relationship between a and c to e and d, then That is, we can get the following formula:

[0088]

[0089] In summary, the second absolute SOC is corrected according to the following formula to obtain the target relative SOC:

[0090]

[0091] Among them, SOC1 is the second absolute SOC, SOC2 is the target relative SOC, Ah 额定 Refers to the rated capacity of the battery, Ah 可用 Indicates the available capacity of the battery at the current travel temperature.

[0092] In addition, to achieve the above purpose, the present application also provides a vehicle charging control device, see Figure 4 , shows a schematic structural diagram of a vehicle charging control device, the device comprising:

[0093] Determination module 1001: for determining a second absolute SOC and a next travel time period based on the user's vehicle usage habit data and the current absolute SOC of the battery pack; wherein the first absolute SOC is the absolute SOC before the next trip, and the second absolute SOC is the absolute SOC after the next trip is completed, and the vehicle usage habit data includes the user's historical travel time periods and historical power consumption;

[0094] Obtaining module 1002: for obtaining a travel temperature based on the next travel period, and correcting the second absolute SOC based on the travel temperature to obtain a target relative SOC, where the target relative SOC is the relative SOC after the next travel is completed;

[0095] The control module 1003 is configured to control charging of the battery pack based on the target relative SOC.

[0096] It should be noted that the modules in the vehicle charging control device in this embodiment correspond one-to-one to the steps in the vehicle charging control method in the aforementioned embodiment. Therefore, the specific implementation of this embodiment can refer to the implementation of the aforementioned vehicle charging control method, which will not be repeated here.

[0097] In some embodiments, the control module 1003 is specifically configured to:

[0098] Determining whether the target relative SOC is less than a preset value;

[0099] If so, the battery pack is charged.

[0100] In some embodiments, the apparatus further comprises:

[0101] A sending module is used to send a prompt message to the user terminal to remind the user to charge the vehicle when the target relative SOC is less than a preset value;

[0102] Charging module: used to trigger charging of the battery pack in response to a charging instruction sent by the user terminal.

[0103] In some embodiments, the determining module 1001 is specifically configured to:

[0104] Based on the user's car usage habit data, a third absolute SOC is obtained, where the third absolute SOC is the absolute SOC required for the next trip;

[0105] taking the difference between the first absolute SOC and the third absolute SOC as the second absolute SOC;

[0106] A plurality of historical travel time periods are obtained, and an average of the historical travel time periods is used as the next travel time period.

[0107] In some embodiments, the obtaining module 1002 includes:

[0108] A first acquisition submodule is configured to acquire temperature values ​​at multiple time points in the next travel period based on the next travel period;

[0109] The first obtaining submodule is configured to determine the travel temperature corresponding to the next travel period based on the temperature values ​​at the multiple time points.

[0110] In some embodiments, the obtaining module 1002 further includes:

[0111] A second acquisition submodule: configured to acquire the rated capacity of the battery pack and the available capacity corresponding to the travel temperature;

[0112] A second obtaining submodule is configured to correct the second absolute SOC according to the rated capacity and the available capacity to obtain the target relative SOC.

[0113] In addition, to achieve the above-mentioned purpose, the present application also provides a vehicle, including a processor and a memory, wherein the memory stores machine-executable instructions that can be executed by the processor, and the processor is used to execute the machine-executable instructions to implement the vehicle charging control method mentioned in this embodiment.

[0114] It can be understood that the vehicles shown in this application can be various types of vehicles such as small passenger cars, medium-sized passenger cars, large passenger cars, trucks, etc., and the vehicle charging control method proposed in this application can be applied to these types of vehicles to optimize the user experience.

[0115] In addition, to achieve the above-mentioned purpose, the present application also provides a machine-readable storage medium, characterized in that the machine-readable storage medium stores machine-executable instructions, and when the machine-executable instructions are executed by the processor, the vehicle charging control method mentioned in this embodiment is implemented.

[0116] In some embodiments, the machine-readable storage medium may be a memory device such as FRAM, ROM, PROM, EPROM, EEPROM, flash memory, magnetic surface mount memory, optical disk, or CD-ROM; or various devices including any one or any combination of the above memories. The computer may be various computing devices including smart terminals and servers.

[0117] In some embodiments, executable instructions may be in the form of a program, software, software module, script, or code, written in any form of programming language (including compiled or interpreted languages, or declarative or procedural languages), and may be deployed in any form, including as a stand-alone program or as a module, component, subroutine, or other unit suitable for use in a computing environment.

[0118] As an example, executable instructions may, but need not, correspond to a file in a file system, may be stored as part of a file that stores other programs or data, such as in one or more scripts in a HyperText Markup Language (HTML) document, in a single file dedicated to the program in question, or in multiple coordinating files (e.g., files storing one or more modules, subroutines, or code portions).

[0119] By way of example, executable instructions may be deployed to be executed on one computing device, or on multiple computing devices at one site, or on multiple computing devices distributed across multiple sites and interconnected by a communication network.

[0120] Although preferred embodiments of the present invention have been described, those skilled in the art may make additional changes and modifications to these embodiments once they become aware of the basic inventive concepts. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the embodiments of the present invention.

[0121] Finally, it should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or terminal device that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or terminal device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article, or terminal device that includes the element.

[0122] The above is a detailed introduction to the provided vehicle charging control method, device, vehicle and medium. Specific examples are used in this article to illustrate the principles and implementation methods of this application. The description of the above embodiments is only used to help understand the method and core ideas of this application. At the same time, for those skilled in the art, according to the ideas of this application, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting this application.

Claims

1. A vehicle charging control method, characterized in that: The method comprises: Determining a second absolute SOC and a next travel time based on the user's vehicle usage habit data and the first absolute SOC of the battery pack; wherein the first absolute SOC is the absolute SOC before the next travel, and the second absolute SOC is the absolute SOC after the next travel, and the vehicle usage habit data includes the user's historical travel time and historical power consumption; Acquiring a travel temperature based on the next travel period, and correcting the second absolute SOC based on the travel temperature to obtain a target relative SOC, where the target relative SOC is the relative SOC after the next travel is completed; controlling charging of the battery pack based on the target relative SOC; The step of correcting the second absolute SOC based on the travel temperature to obtain a target relative SOC includes: Obtaining the rated capacity of the battery pack and the available capacity corresponding to the travel temperature; Correcting the second absolute SOC according to the rated capacity and the available capacity to obtain the target relative SOC; The target relative SOC is obtained by the formula: in, is the second absolute SOC, For target relative SOC, Ah rated refers to the rated capacity of the battery, and Ah available refers to the available capacity of the battery at the current travel temperature.

2. The method according to claim 1, characterized in that Based on the target relative SOC, controlling charging of the battery pack includes: Determining whether the target relative SOC is less than a preset value; If so, the battery pack is charged.

3. The method according to claim 1, characterized in that Based on the target relative SOC, controlling charging of the battery pack includes: When the target relative SOC is less than a preset value, a prompt message is sent to the user terminal to remind the user to charge the vehicle; In response to the charging instruction sent by the user terminal, charging of the battery pack is triggered.

4. The method according to claim 1, wherein Based on the user's driving habits data and the first absolute SOC of the battery pack, the second absolute SOC and the next travel time are determined, including: Based on the user's car usage habit data, a third absolute SOC is obtained, where the third absolute SOC is the absolute SOC required for the next trip; taking the difference between the first absolute SOC and the third absolute SOC as the second absolute SOC; A plurality of historical travel time periods are obtained, and an average of the historical travel time periods is used as the next travel time period.

5. The method according to claim 1, wherein Acquiring a travel temperature based on the next travel period includes: Based on the next travel period, obtaining temperature values ​​at multiple time points in the next travel period; Based on the temperature values ​​at the multiple time points, a travel temperature corresponding to the next travel period is determined.

6. A vehicle charging control device, characterized in that: The device comprises: A determination module is configured to determine a second absolute SOC and a next travel time period based on the user's vehicle usage habit data and the first absolute SOC of the battery pack; wherein the first absolute SOC is the absolute SOC before the next travel, and the second absolute SOC is the absolute SOC after the next travel is completed. The vehicle usage habit data includes the user's historical travel time periods and historical power consumption; an acquisition module configured to obtain a travel temperature based on the next travel period, and to correct the second absolute SOC based on the travel temperature to obtain a target relative SOC, where the target relative SOC is the relative SOC after the next travel is completed; A control module: configured to control charging of the battery pack based on the target relative SOC; The acquisition module also includes: A second acquisition submodule: configured to acquire the rated capacity of the battery pack and the available capacity corresponding to the travel temperature; A second obtaining submodule is configured to correct the second absolute SOC according to the rated capacity and the available capacity to obtain the target relative SOC; The target relative SOC is obtained by the formula: in, is the second absolute SOC, For target relative SOC, Ah rated refers to the rated capacity of the battery, and Ah available refers to the available capacity of the battery at the current travel temperature.

7. The device according to claim 6, characterized in that The device further comprises: A sending module is used to send a prompt message to the user terminal when the target relative SOC is less than a preset value to remind the user to charge the vehicle; Charging module: used to trigger charging of the battery pack in response to a charging instruction sent by the user terminal.

8. A vehicle, characterized in that: The method comprises a processor and a memory, wherein the memory stores machine-executable instructions that can be executed by the processor, and the processor is used to execute the machine-executable instructions to implement the vehicle charging control method according to any one of claims 1 to 5.

9. A machine-readable storage medium, characterized in that The machine-readable storage medium stores machine-executable instructions, and when the machine-executable instructions are executed by a processor, the vehicle charging control method according to any one of claims 1 to 5 is implemented.

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