Electric vehicle control method, computer device and storage medium

Abstract

The invention discloses an electric vehicle control method, a computer device and a storage medium, and the method comprises the steps: setting at least one vehicle function use task needing to be executed before an electric vehicle goes out, and triggering the execution of each vehicle function use task through a charging ready signal. Batch calling of the multiple automobile function parts is achieved, the operation process of the automobile function parts is simplified, and the use convenience of an automobile is improved; secondly, an environment suitable for driving can be built in advance, so that a driver can obtain safe and comfortable driving conditions during driving, and waiting time is shortened; and thirdly, the duration that the power battery supplies energy to the automobile function module can be shortened, so that the discharge loss of the power battery is reduced, the service life of the power battery is protected, and the endurance performance of the electric automobile is guaranteed. The invention is widely applied to the technical field of automobiles.

Description

Technical Field

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

[0002] With the development of technology, the functions that cars can achieve are becoming more and more abundant, providing technical support for safe, comfortable and convenient travel. There are many car functional components set up on the car to run the rich functions, and these car functional components need to be turned on to enjoy the corresponding functional services. In the current car-related technologies, it is usually necessary for drivers or passengers to turn on the car functional components one by one, which requires users to be familiar with the specific operation methods of each car functional component, otherwise they will not be able to use the corresponding functions, and it brings cumbersome operation procedures to users, which makes it easy for users to feel cumbersome and give up the operation, and actually cannot use the corresponding functions. On the other hand, car functional components usually need to be driven by electricity to operate to provide functional services, and the energy storage on electric vehicles is limited. The operation of some high-power car functional components will squeeze out the power storage of driving-related components such as motors, resulting in consequences such as poor endurance of electric vehicles. Summary of the invention

[0003] In view of the technical problems existing in current electric vehicle technology, such as a large number of vehicle functional components, cumbersome operation, and the use of power and electricity, thereby reducing endurance, the purpose of the present invention is to provide an electric vehicle control method, a computer device and a storage medium.

[0004] In one aspect, an embodiment of the present invention includes a method for controlling an electric vehicle, the method comprising the following steps:

[0005] Obtain at least one automobile function usage task;

[0006] Detect charging ready signal;

[0007] When the charging ready signal is detected, power supply energy is obtained from an external charging device;

[0008] In response to the charge-ready signal, executing each of the vehicle function usage tasks;

[0009] The power supply electric energy is used to power the automobile functional components and charge the power battery; the automobile functional components are automobile components used to perform the automobile functional usage tasks.

[0010] Further, the obtaining of at least one automobile function usage task includes:

[0011] Get travel plan information;

[0012] At least one of the vehicle function usage tasks is determined according to the travel plan information.

[0013] Furthermore, the execution of each of the vehicle function usage tasks includes:

[0014] Obtaining the automobile function usage power consumption corresponding to each of the automobile function usage tasks; the automobile function usage power consumption is the power consumption of the automobile function components executing the corresponding automobile function usage tasks when they are running;

[0015] Determining the execution order of the tasks for using the various vehicle functions according to the power consumption of the various vehicle functions;

[0016] The vehicle function usage tasks are executed in sequence according to the determined execution order.

[0017] Furthermore, determining the execution order of the tasks for using the various vehicle functions according to the power consumption of the various vehicle functions includes:

[0018] Determine the maximum power;

[0019] In the range of the maximum power, the power consumption of each of the vehicle functions is combined to obtain at least one power consumption combination; the same power consumption combination includes at least one of the vehicle functions, and the sum of the power consumption of all the vehicle functions in the same power consumption combination is not greater than the maximum power;

[0020] Sorting the power consumption combinations in descending order;

[0021] The execution order of each of the vehicle function usage tasks is determined according to the order of the power consumption combinations in which the corresponding vehicle function usage power consumptions are located.

[0022] Furthermore, the method of using the power supply electric energy to supply power to the functional components of the vehicle and to charge the power battery comprises:

[0023] Obtaining the automobile function usage power consumption corresponding to each of the automobile function usage tasks; the automobile function usage power consumption is the power consumption of the automobile function components executing the corresponding automobile function usage tasks when they are running;

[0024] Determining the functional electrical energy according to the sum of the power consumption of each of the vehicle functions;

[0025] Decomposing the power supply electric energy into the functional electric energy and the charging electric energy; the charging electric energy is the difference between the power supply electric energy and the functional electric energy;

[0026] The functional electric energy is used to power the functional components of the automobile, and the charging electric energy is used to charge the power battery.

[0027] Furthermore, the method of using the power supply electric energy to supply power to the functional components of the vehicle and to charge the power battery comprises:

[0028] Get travel plan information;

[0029] Determining a decomposition ratio according to the travel plan information;

[0030] According to the decomposition ratio, the power supply electric energy is decomposed into the functional electric energy and the charging electric energy;

[0031] The functional electric energy is used to power the functional components of the automobile, and the charging electric energy is used to charge the power battery.

[0032] Furthermore, the method of using the functional electric energy to power the functional components of the vehicle and using the charging electric energy to charge the power battery includes:

[0033] Acquire a standard performance curve and a standard charging curve; the standard performance curve represents the corresponding relationship between the target performance parameter of the functional component of the vehicle and time, and the standard charging curve represents the corresponding relationship between the target state of charge of the power battery and time;

[0034] Obtaining an actual performance curve and an actual charging curve; the actual performance curve represents the corresponding relationship between the actual performance parameters of the functional components of the vehicle during past operation and time, and the standard charging curve represents the corresponding relationship between the actual state of charge of the power battery during past charging and time;

[0035] According to the actual performance curve and the actual charging curve, the standard performance curve and the standard charging curve are corrected to obtain a corrected performance curve and a corrected charging curve;

[0036] According to the modified performance curve, using the functional electric energy to drive the functional components of the vehicle to work;

[0037] The charging electric energy is charged into the power battery according to the modified charging curve.

[0038] Further, the method of correcting the standard performance curve and the standard charging curve according to the actual performance curve and the actual charging curve to obtain a corrected performance curve and a corrected charging curve includes:

[0039] Determining a first offset value according to the actual performance curve and the standard performance curve;

[0040] Determining a second offset value according to the actual charging curve and the standard charging curve;

[0041] Determine a third offset value according to the first offset value and the second offset value; the third offset value is positively correlated with the first offset value and negatively correlated with the second offset value;

[0042] Determine a fourth offset value according to the first offset value and the second offset value; the fourth offset value is positively correlated with the second offset value and negatively correlated with the first offset value;

[0043] Correcting the standard performance curve according to the third offset value to obtain the corrected performance curve;

[0044] The standard charging curve is corrected according to the fourth offset value to obtain the corrected charging curve.

[0045] On the other hand, an embodiment of the present invention further includes a computer device, including a memory and a processor, wherein the memory is used to store at least one program, and the processor is used to load at least one program to execute the electric vehicle control method in the embodiment.

[0046] On the other hand, an embodiment of the present invention further includes a computer-readable storage medium, in which a program executable by a processor is stored. When the program executable by the processor is executed by the processor, it is used to execute the electric vehicle control method in the embodiment.

[0047] The beneficial effects of the present invention are as follows: the electric vehicle control method in the embodiment sets at least one automobile function usage task that needs to be executed before the electric vehicle travels, and triggers the execution of each automobile function usage task with a charging ready signal. On the one hand, it realizes batch calling of multiple automobile functional components, simplifies the operation process of automobile functional components, and improves the convenience of automobile use; on the other hand, it can create a suitable driving environment in advance, so that the driver can obtain safe and comfortable driving conditions when driving, reducing waiting time; on the third hand, it can reduce the time that the power battery supplies energy to the automobile functional module, which is beneficial to reduce the discharge loss of the power battery, protect the service life of the power battery, and ensure the endurance performance of the electric vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] Figure 1 A schematic diagram of the structure of a vehicle system to which the electric vehicle control method can be applied in the embodiment;

[0049] Figure 2 A schematic diagram of the steps of the electric vehicle control method in the embodiment;

[0050] Figure 3 A schematic diagram of a process for obtaining a vehicle function usage task in an embodiment;

[0051] Figure 4It is a schematic diagram of the standard performance curve and the actual performance curve in the embodiment;

[0052] Figure 5 Schematic diagram of a standard charging curve and an actual charging curve in an embodiment;

[0053] Figure 6 A schematic diagram of correcting the standard performance curve in the embodiment;

[0054] Figure 7 It is a schematic diagram of correcting the standard charging curve in the embodiment. DETAILED DESCRIPTION

[0055] In this embodiment, the electric vehicle control method can be applied to Figure 1 In the vehicle system shown. Figure 1 The vehicle system includes a control module, a power module, a battery management system (BMS), a power battery and n vehicle function modules. The vehicle system can be installed on an electric vehicle, wherein the electric vehicle can be a pure electric vehicle or a hybrid electric vehicle. In this embodiment, a pure electric vehicle is taken as an example for description.

[0056] Reference Figure 1 The automobile function module is an electric component installed on the electric vehicle to perform various specific functions, such as a motor for driving the electric vehicle forward, an audio-visual entertainment system for operating an entertainment function, an atmosphere light for operating an atmosphere adjustment function, a wiper for operating a windshield cleaning function, a window and a motor for operating an adjustable window function, etc. In this embodiment, two typical components with large power consumption, namely, a battery heating module (automobile function module 1) for heating and keeping the power battery warm and an air conditioner (automobile function module 2) for adjusting the temperature in the cockpit, are used as specific examples of automobile function modules for explanation.

[0057] In this embodiment, refer to Figure 1 The power module includes an external connection interface so that it can be connected to an external charging device, which can be a charging pile. The power module has the functions of switching, voltage conversion, current limiting, frequency conversion, etc. For example, the current (power supply energy) provided by the charging pile can be divided into two paths, one of which forms charging energy and provides it to the battery management system, which is then charged into the power battery by the battery management system, and the other forms functional energy and provides it to each vehicle functional module, thereby driving the vehicle functional module to operate and realize the corresponding function.

[0058] In this embodiment, each step in the electric vehicle control method can be executed by a control module. Figure 2 , the electric vehicle control method comprises the following steps:

[0059] S1. Obtain at least one automobile function usage task;

[0060] S2. Detect charging ready signal;

[0061] S3. When a charging ready signal is detected, power is obtained from an external charging device;

[0062] S4. In response to the charge ready signal, execute each vehicle function usage task;

[0063] S5. Use the power supply energy to power the functional components of the vehicle and charge the power battery.

[0064] In step S1, the vehicle function usage task is a task performed by the control module calling the corresponding vehicle function component. For example, in this embodiment, step S1 can set the following vehicle function usage tasks:

[0065] Vehicle function usage task 1: The battery heating module (vehicle function module 1) performs heating and heat preservation on the power battery

[0066] Car function usage task 2: Use the air conditioner (car function module 2) to adjust the temperature in the cockpit

[0067] When executing step S1, various automobile function usage tasks manually set by the automobile user may be obtained through the human-computer interaction module, or the automobile function usage tasks to be executed may be automatically determined by the control module.

[0068] In this embodiment, when executing step S1, that is, obtaining at least one automobile function usage task, the following steps may be specifically performed:

[0069] S101. Obtain travel plan information;

[0070] S102. Determine at least one automobile function usage task according to the travel plan information.

[0071] The process of steps S101-S102 is as follows: Figure 3 See Figure 3 , you can automatically set the usage tasks of various car functions through the "Smart Travel" function.

[0072] In step S101, the travel plan information is information related to the car user's driving the electric car for travel at a certain time in the future (for example, 30 minutes or 1 hour later). The travel plan information may specifically include the departure place, destination, route, departure time, estimated arrival time, weather along the way and other information of the future travel. Specifically, the car user may set the navigation information, and then the control module may query the weather along the way and other information from the Internet and other information sources according to the navigation information, so as to obtain the travel plan information.

[0073] Reference Figure 3 After executing step S101 to obtain the travel plan information, the control module can estimate the remaining time T from the current departure time according to the departure time in the travel plan information. go , based on the route in the travel plan information, estimate the specified amount of electricity required for the electric vehicle to complete the journey, and then estimate the time T required to charge the power battery to the specified amount of electricity 充电 The control module can estimate the optimal temperature in the cockpit to ensure safe and comfortable driving of the electric vehicle based on the weather along the way in the travel plan information, and then estimate the time T required to heat or cool the temperature in the cockpit to the optimal temperature. 空调 ; and take T 计时 =max{T 充电 , T 空调}, if T 计时 <T go , indicating that it is not enough to charge the power battery to the specified power before the electric vehicle sets off, nor is it enough to heat or cool the cabin to the optimal temperature, so no car usage task can be set; if T 计时 ≥T go , indicating that before the electric vehicle sets off, the power battery can be charged to a specified amount of power and the temperature in the cockpit can be heated or cooled to an optimal temperature, so the vehicle use task 1 and the vehicle use task 2 are set.

[0074] After executing step S1, execute step S2. The charge-ready signal to be detected in step S2 is a signal indicating that the power module has found a reliable external power source and has met the hardware conditions for receiving power from the outside. When the charge-ready signal is detected, the power module is in a ready state and does not receive power from the outside for the time being. It continues to wait for instructions and receives power from the outside only after receiving the instructions.

[0075] For example, a sensor can be installed in the charging gun interface of the power module to detect whether the charging gun is inserted (the sensor outputs a signal if the charging gun is inserted, and the sensor does not output a signal if the charging gun is not inserted). The charging gun is inserted into the charging gun interface of the power module, indicating that the power module has been connected to the external charging device (charging pile) and meets the hardware conditions for receiving electric energy from the outside, but does not receive electric energy from the external charging device (charging pile) for the time being, and can wait for further instructions to start receiving electric energy. Therefore, in this embodiment, the signal output by the sensor of the charging gun can be used as the charging ready signal to be detected, and the charging gun will be detected as the charging ready signal when it is inserted into the charging gun interface of the power module.

[0076] In step S2, when the charge-ready signal is not detected, steps S3-S5 are not triggered, but step S2 is continuously executed in a loop until the charge-ready signal is detected, and then the process jumps to step S3 and other steps.

[0077] In case the charge ready signal is detected, steps S3 and S4 are executed.

[0078] In step S3, the control module may send an instruction to the power module, thereby turning on a switch in the power module, so that the power supply energy provided by the external charging device (charging pile) can be input into the power module.

[0079] The power module decomposes the power supply energy into two parts: charging energy and functional energy. It transmits the charging energy to the battery management system and transmits the functional energy to the vehicle function modules that need to perform vehicle function usage tasks.

[0080] In steps S4-S5, the control module sends instructions to the battery heating module (automobile function module 1), and the battery heating module (automobile function module 1) obtains the drive of functional electrical energy, thereby executing automobile function task 1, and performing heating and insulation on the power battery; the control module sends instructions to the air conditioner (automobile function module 2), and the air conditioner (automobile function module 2) obtains the drive of functional electrical energy, thereby executing automobile function task 2, and adjusting the temperature of the cockpit; the control module sends instructions to the battery management system, and the battery management system charges the charging energy into the power battery.

[0081] In this embodiment, by executing steps S1-S5, at least one automobile function usage task that needs to be executed before the electric vehicle travels can be set through functions such as "smart travel", and the execution of each automobile function usage task can be triggered by a charging ready signal (specifically, the charging gun is inserted), and the automobile function components that execute the automobile function usage tasks can share the power supply energy from the external charging device with the charging process of the power battery; on the first hand, it is realized that the execution of a series of automobile function usage tasks is triggered by the usual automobile use actions such as charging gun plugging, and the batch call of multiple automobile function components is realized, the operation process of automobile function components is simplified, and the convenience of automobile use is improved; on the second hand, the "smart travel" function can be used to set the functions that need to be pre-set before driving. The vehicle function usage tasks that are executed first (for example, the battery heating module heats the power battery in advance, the air conditioner heats or cools the cockpit in advance, etc.) can create a suitable driving environment in advance, so that the driver can obtain safe and comfortable driving conditions when driving, reducing waiting time; thirdly, the vehicle function usage tasks with high energy consumption of the vehicle function module can be arranged to be executed, so that the power supply provided by the external charging equipment (charging pile) can provide the necessary power supply for the vehicle function module to execute the vehicle function usage tasks. When the usage of the vehicle function usage tasks is the same, the time for the power battery to supply energy to the vehicle function module is reduced, which is beneficial to reduce the discharge loss of the power battery, protect the service life of the power battery, and ensure the endurance performance of the electric vehicle.

[0082] In this embodiment, when executing step S4, that is, executing each vehicle function usage task, the following steps may be specifically performed:

[0083] S401. Obtaining the power consumption of each vehicle function usage task corresponding to each vehicle function usage task;

[0084] S402. Determine the execution order of each vehicle function using tasks according to the power consumption of each vehicle function;

[0085] S403. Execute each vehicle function usage task in sequence according to the determined execution order.

[0086] In step S401, the automobile function usage power consumption is the power consumption of the automobile function components that perform the corresponding automobile function usage tasks when they are running. The automobile function usage power consumption can be in the form of power (in units of kW, etc.) or in the form of the amount of energy consumed within a certain period of time (in units of kWh, etc.).

[0087] In step S401, the automobile function usage power consumption can be expressed as the average power or rated power of the automobile function components. For example, the automobile function usage task 1 in this embodiment is performed by the battery heating module (automobile function module 1), and the average power of the battery heating module (automobile function module 1) may be 0.1kW, so the automobile function usage power consumption corresponding to the automobile function usage task 1 is 0.1kW; the automobile function usage task 2 is performed by the air conditioner (automobile function module 2), and the average power of the air conditioner (automobile function module 2) may be 3kW, so the automobile function usage power consumption corresponding to the automobile function usage task 2 is 3kW.

[0088] In this embodiment, it is assumed that the following vehicle function usage tasks are also performed in step S1:

[0089] Car function usage task 3: Cooking is performed by the car cooking module (car function module 3)

[0090] Execute step S401, the average power of the vehicle cooking module (vehicle function module 3) may be 5kW, so the vehicle function usage power consumption corresponding to the vehicle function usage task 3 is 5kW.

[0091] In step S402, the execution order of each vehicle function usage task can be determined in the order of the power consumption of each vehicle function from large to small. For example, in the above-mentioned vehicle function usage task 1, vehicle function usage task 2 and vehicle function usage task 3, according to the order of the power consumption of the vehicle function from large to small, the execution order determined is:

[0092] Car function usage task 3 (5kW), car function usage task 2 (3kW), car function usage task 1 (0.1kW)

[0093] In step S403, each vehicle function usage task can be executed in sequence according to the order of vehicle function usage task 3, vehicle function usage task 2, and vehicle function usage task 1. Specifically, the control module can call the vehicle cooking module (vehicle function module 3) to execute vehicle function usage task 3 to complete cooking, and then call the air conditioner (vehicle function module 2) to execute vehicle function usage task 2 to heat or lower the temperature in the cockpit to the target temperature, thereby completing vehicle function usage task 2, and finally call the battery heating module (vehicle function module 1) to execute vehicle function usage task 1.

[0094] In this embodiment, when executing step S402, in addition to comparing the power consumption of each automobile function separately, the power consumption of multiple automobile functions may be combined for comparison.

[0095] For example, in step S402, a maximum power (for example, 5kW) can be set based on factors such as the hardware performance or safety limitations of the power module, and the vehicle function usage power consumption of vehicle function usage task 3, vehicle function usage task 2, and vehicle function usage task 1 are combined, and the obtained power consumption combination does not exceed the maximum power.

[0096] Among them, since the car function usage power consumption (5kW) corresponding to car function usage task 3 has reached the maximum power, the car function usage power consumption (5kW) corresponding to car function usage task 3 can only form one power consumption combination alone; while the car function usage power consumption (0.1kW) corresponding to car function usage task 1 and the car function usage power consumption (3kW) corresponding to car function usage task 1 can form a power consumption combination, whose size is the sum of the car function usage power consumption in the power consumption combination, that is, 3.1kW.

[0097] Thus, in step S402, the power consumption combinations are used as units for sorting, and the resulting sorting is:

[0098] Car function usage task 3 (5kW), [Car function usage task 2 (3kW) and Car function usage task 1 (0.1kW)]

[0099] Thus, when executing step S403, the car function usage task 3 corresponds to a power consumption combination alone and its power consumption is the largest and ranked first, so the control module can first call the vehicle cooking module (car function module 3) to execute the car function usage task 3. After the car function usage task 3 is executed, the control module calls the next power consumption combination, which corresponds to two car function usage tasks, namely, car function usage task 2 and car function usage task 1. The control module can simultaneously call the battery heating module (car function module 1) and the air conditioner (car function module 2) to execute the car function usage task 1 and the car function usage task 2.

[0100] In this embodiment, by executing steps S401-S403, the automobile function modules with high power consumption can be preferentially called to execute the corresponding automobile function usage tasks, thereby making full use of the power supply energy provided by the external charging device (charging pile), reducing the power consumption of the power battery by the automobile function modules with high power consumption, which is beneficial to protecting the service life of the power battery and ensuring the endurance performance of the electric vehicle. In the case of limiting the maximum power, multiple automobile function modules corresponding to the power consumption combination can be called simultaneously to execute multiple automobile function usage tasks, which can improve the execution efficiency of the automobile function usage tasks under the premise of ensuring safety.

[0101] In this embodiment, when the control module executes step S5, that is, the step of supplying power to the functional components of the vehicle and charging the power battery, the control module may specifically execute the following steps:

[0102] S501A obtains each car function usage task corresponding to the car function usage power consumption;

[0103] S502A. Determine the power consumption of each function of the vehicle based on the power consumption of each function;

[0104] S503A. Decomposing the power supply energy into functional power energy and charging power energy;

[0105] S504A. Use the functional electrical energy to power the functional components of the vehicle, and use the charging electrical energy to charge the power battery.

[0106] Steps S501A-S504A are the first execution mode of step S5.

[0107] Step S501A is the same as step S401.

[0108] In step S502A, the sum of the power consumption of each automobile function is determined as the functional power consumption, that is, the power (power or energy) that the power module needs to provide to all automobile functional modules.

[0109] In steps S503A-S504A, the control module controls the power module to decompose the power supply energy into two parts, functional power energy and charging power energy, through operations such as switches. Moreover, the power module allocates the power supply energy to the functional power energy first, so that the size of the functional power energy reaches the value determined in step S502A, and transmits the remaining part of the power supply energy that is not allocated to the functional power energy as charging power energy to the battery management system, which is charged into the power battery by the battery management system.

[0110] In this embodiment, by executing steps S501A-S504A, the charging power provided by the external charging device (charging pile) can be prioritized to each vehicle functional module to perform vehicle function usage tasks, so that each vehicle functional module can use more power provided by the external charging device (charging pile) to perform vehicle function usage tasks, reduce the use of power batteries, which is beneficial to protecting the service life of the power batteries and ensuring the endurance performance of the electric vehicle.

[0111] In this embodiment, when the control module executes step S5, that is, the step of supplying power to the functional components of the vehicle and charging the power battery, the control module may specifically execute the following steps:

[0112] S501B. Obtain travel plan information;

[0113] S502B. Determine the decomposition ratio according to the travel plan information;

[0114] S503B. According to the decomposition ratio, the power supply energy is decomposed into functional power energy and charging power energy;

[0115] S504B. Use the functional electrical energy to power the functional components of the vehicle, and use the charging electrical energy to charge the power battery.

[0116] Steps S501B-S504B are a second execution mode of step S5.

[0117] Step S501B is the same as step S101.

[0118] In step S502B, the decomposition ratio can be determined according to the route and weather information along the way in the travel plan information. Specifically, the control module can estimate the power required for the electric vehicle to complete the journey according to the route, thereby determining it as the first power; the control module can estimate the appropriate power battery target temperature and cockpit target temperature according to the weather along the way, and estimate the power required to drive the battery heating module (automobile function module 1) and the air conditioner (automobile function module 2) in order to make the power battery reach the power battery target temperature and the cockpit temperature reach the cockpit target temperature, thereby determining it as the second power.

[0119] In step S502B, the formula

[0120] k1 = first power / (first power+second power)

[0121] k2 = second power / (first power + second power)

[0122] To determine the decomposition ratios k1 and k2.

[0123] In step S503B, the formula

[0124] Charging power = power supply power × k1

[0125] Functional power consumption = power supply energy × k2

[0126] Thus, the amount of charging energy and functional energy can be calculated.

[0127] In steps S503B-S504B, the control module controls the power module, and decomposes the power supply energy into two parts: functional power energy and charging power energy through operations such as switches. The functional power energy is used to drive vehicle functional modules such as the battery heating module (vehicle functional module 1) and the air conditioner (vehicle functional module 2), and the power supply energy is charged into the power battery by the battery management system.

[0128] In this embodiment, by executing steps S503B-S504B, the charging demand of the power battery and the power demand of each vehicle functional module can be determined according to the travel plan information, so as to determine the decomposition ratio to decompose the power supply energy into charging energy and functional power energy, so that the charging demand of the power battery and the power demand of each vehicle functional module can be met at the same time, avoiding the situation where the power battery is not charged due to the charging time of the external charging equipment (charging pile) being too short.

[0129] In this embodiment, when the control module executes step S504A or S504B, that is, the step of powering the functional components of the vehicle with functional electrical energy and charging the power battery with charging electrical energy, the following steps may be specifically performed:

[0130] S50401. Obtain standard performance curve and standard charging curve;

[0131] S50402. Obtaining actual performance curve and actual charging curve;

[0132] S50403. According to the actual performance curve and the actual charging curve, the standard performance curve and the standard charging curve are corrected to obtain a corrected performance curve and a corrected charging curve;

[0133] S50404. According to the modified performance curve, the functional electric energy is used to drive the functional components of the vehicle to work;

[0134] S50405. Charge the power battery with the charging energy according to the modified charging curve.

[0135] In steps S50401-S50402, the standard performance curve and the actual performance curve obtained are in the form of Figure 4 As shown, the standard charging curve and the actual charging curve obtained are in the form of Figure 5 shown.

[0136] In this embodiment, Figure 4 and Figure 5 The time axis in the diagram can unify the origin and scale, and its origin can be the start-up time of the vehicle functional module, or the time when the battery management system starts charging the power battery.

[0137] Take air conditioning (automotive function module 2) as an example, refer to Figure 4, its standard performance curve represents the correspondence between the target performance parameter (e.g., cooling temperature) of the air conditioner (automobile functional module 2) and time. A point on the standard performance curve represents the temperature of the cockpit adjusted by the air conditioner (automobile functional module 2) through cooling at the time corresponding to this point under ideal conditions; its actual performance curve represents the correspondence between the actual performance parameter and time generated by the air conditioner (automobile functional module 2) during past operation, for example, the temperature of the cockpit actually adjusted at each time point through cooling when the air conditioner (automobile functional module 2) was last operated.

[0138] Similarly, refer to Figure 5 The standard charging curve represents the corresponding relationship between the target state of charge (SOC) of the power battery and time. A point on the standard performance curve represents the value of the state of charge (SOC) to which the power battery is charged at the time corresponding to this point under ideal conditions. The actual performance curve represents the corresponding relationship between the actual state of charge (SOC) reached by the power battery during past charging and time, for example, the value of the state of charge (SOC) to which the power battery was actually charged at each time point during the last charging.

[0139] In this embodiment, the actual performance curve and the standard performance curve generally do not overlap, but there is a deviation. Figure 4 The actual performance curve achieved by the air conditioner (automobile function module 2) during cooling is generally higher than the standard performance curve. This is because the air conditioner (automobile function module 2) deviates from the ideal performance due to aging and other reasons, resulting in the actual temperature reached in the cockpit through cooling at each time point being higher than the ideal temperature.

[0140] Similarly, the actual charging curve and the standard charging curve generally do not coincide, but there is a deviation. Figure 5 The actual charging curve reached when the power battery is charged is generally lower than the standard charging curve. This is because the power battery deviates from the ideal performance due to aging and other reasons, resulting in the state of charge SOC being lower than the ideal state of charge SOC at each time point.

[0141] Due to the aging of the automobile function module, it is not suitable to control the automobile function module to work directly according to the standard performance curve. The standard performance curve can be corrected to obtain a corrected performance curve, and the automobile function module can be controlled to work according to the corrected performance curve. Similarly, due to the aging of the power battery, it is not suitable to charge the power battery directly according to the standard charging curve. The standard charging curve can be corrected to obtain a corrected charging curve, and the power battery can be charged according to the corrected charging curve.

[0142] In this embodiment, when executing step S50403, that is, correcting the standard performance curve and the standard charging curve according to the actual performance curve and the actual charging curve to obtain the corrected performance curve and the corrected charging curve, the following steps may be performed:

[0143] S5040301. Determine a first offset value according to the actual performance curve and the standard performance curve;

[0144] S5040302. Determine a second offset value according to the actual charging curve and the standard charging curve;

[0145] S5040303. Determine a third offset value according to the first offset value and the second offset value; the third offset value is positively correlated with the first offset value and negatively correlated with the second offset value;

[0146] S5040304. Determine a fourth offset value according to the first offset value and the second offset value; the fourth offset value is positively correlated with the second offset value and negatively correlated with the first offset value;

[0147] S5040305. Correct the standard performance curve according to the third offset value to obtain a corrected performance curve;

[0148] S5040306. Correct the standard charging curve according to the fourth offset value to obtain a corrected charging curve.

[0149] In step S5040301, refer to Figure 4 , the area enclosed by the actual performance curve and the standard performance curve (i.e. Figure 4 For the shaded portion in FIG. 1 , if the actual performance curve and the standard performance curve are not connected end to end respectively, the area S1 between the actual performance curve and the standard performance curve on the vertical axis can be calculated as the first offset value.

[0150] Similarly, in step S5040302, refer to Figure 5 , the area enclosed by the actual charging curve and the standard charging curve (i.e. Figure 5 The shaded portion in the figure (S2) is used as the second offset value. In this embodiment, the first offset value S1 and the second offset value S2 are both absolute values.

[0151] In steps S5040303-S5040304, the third offset value S3 and the fourth offset value S4 are calculated according to the first offset value S1 and the second offset value S2, and the third offset value S3 is positively correlated with the first offset value S1 and negatively correlated with the second offset value S2, and the fourth offset value S4 is positively correlated with the second offset value S2 and negatively correlated with the first offset value S1. In this embodiment, the third offset value S3 and the fourth offset value S4 can be calculated by the following formula:

[0152] S3=S1 / (S1+S2)

[0153] S4=S2 / (S1+S2)

[0154] In step S5040305, the standard performance curve is corrected according to the third offset value S3 to obtain a corrected performance curve. Specifically, since the purpose of correcting the performance curve is to reduce the performance requirements of the automotive functional module, Figure 6 If the target performance parameter is a performance parameter such as "cooling temperature" where the lower the value, the higher the performance requirement, then each value on the standard performance curve can be multiplied by the third offset value S3 to obtain a new larger value to form a modified performance curve. If the target performance parameter is a performance parameter such as "heating temperature" where the higher the value, the higher the performance requirement, then each value on the standard performance curve can be divided by the third offset value S3 to obtain a new smaller value to form a modified performance curve.

[0155] Similarly, in step S5040306, the standard charging curve is corrected according to the fourth offset value S4 to obtain a corrected charging curve. Specifically, since the purpose of correcting the charging curve is to reduce the performance requirements of the power battery, refer to Figure 7 Each value on the standard charging curve can be divided by the fourth offset value S4 to obtain a new smaller value to form a modified charging curve.

[0156] After executing step S50403 to obtain the corrected performance curve and the corrected charging curve, execute steps S50404-S50405 to drive the functional components of the vehicle to work according to the corrected performance curve using functional electrical energy, that is, to control the performance release of the functional components of the vehicle, thereby meeting the requirements of the corrected performance curve; according to the corrected charging curve, charge the charging energy into the power battery, that is, to control the charging speed of the power battery, thereby meeting the requirements of the corrected charging curve.

[0157] In this embodiment, the principle of executing steps S5040301-S5040306 is that: taking the correction of the standard performance curve as an example, the third offset value S3 used to correct the standard performance curve is positively correlated with the first offset value S1, that is, the greater the deviation of the actual performance curve from the standard performance curve (indicating that the degree of aging of the functional components of the automobile is greater), the greater the correction amplitude of the standard performance curve (in the direction of reducing the performance requirements), so that the performance tolerance of the functional components of the automobile is greater, and the current status of the performance aging of the functional components of the automobile can be adapted; at the same time, the third offset value S3 used to correct the standard performance curve is negatively correlated with the second offset value S2, that is, the greater the deviation of the actual charging curve from the standard charging curve (indicating that the degree of aging of the power battery is greater, the charging control of the power battery is greater). , the greater the performance tolerance for the power battery), the smaller the correction range of the standard performance curve (in the direction of reducing performance requirements), thereby making the performance tolerance for automotive functional components smaller; the correction of the standard charging performance curve is also based on a similar principle, that is, the greater the degree of aging of the power battery, the greater the performance tolerance for the power battery, which can adapt to the current status of performance aging of the power battery, but the greater the degree of aging of the functional components of the vehicle, the degree of performance tolerance for the power battery will be limited; in this way, it is possible to achieve adaptation between the functional use of the automotive functional components and the current status of charging and performance aging of the power battery, and the performance tolerance for the automotive functional components and the performance tolerance for the power battery can be mutually restrained, so as to avoid the performance tolerance for the automotive functional components and the performance tolerance for the power battery being too large and affecting the performance of the entire vehicle.

[0158] A computer program for executing the electric vehicle control method in this embodiment can be written and written into a computer device or storage medium. When the computer program is read out and run, the electric vehicle control method in this embodiment is executed, thereby achieving the same technical effect as the electric vehicle control method in the embodiment.

[0159] It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature, or it may be indirectly fixed or connected to the other feature. In addition, the descriptions of up, down, left, right, etc. used in the present disclosure are only relative to the relative positional relationship of the components of the present disclosure in the accompanying drawings. The singular forms of "a", "" and "the" used in the present disclosure are also intended to include the plural forms, unless the context clearly indicates other meanings. In addition, unless otherwise defined, all technical and scientific terms used in this embodiment have the same meaning as those generally understood by those skilled in the art. The terms used in the specification of this embodiment are only for describing specific embodiments and are not intended to limit the present invention. The term "and / or" used in this embodiment includes any combination of one or more related listed items.

[0160] It should be understood that, although the term first, second, third etc. may be adopted to describe various elements in the present disclosure, these elements should not be limited to these terms. These terms are only used to distinguish the same type of elements from each other. For example, without departing from the scope of the present disclosure, the first element may also be referred to as the second element, and similarly, the second element may also be referred to as the first element. The use of any and all examples or exemplary language ("for example", "such as" etc.) provided by the present embodiment is only intended to better illustrate embodiments of the present invention, and unless otherwise required, the scope of the present invention will not be limited.

[0161] It should be appreciated that embodiments of the present invention may be implemented or enforced by computer hardware, a combination of hardware and software, or by computer instructions stored in a non-transitory computer-readable memory. The method may be implemented in a computer program using standard programming techniques - including a non-transitory computer-readable storage medium configured with a computer program, wherein the storage medium so configured causes the computer to operate in a specific and predefined manner - according to the methods and drawings described in the specific embodiments. Each program may be implemented in a high-level procedural or object-oriented programming language to communicate with a computer system. However, if desired, the program may be implemented in assembly or machine language. In any case, the language may be a compiled or interpreted language. In addition, the program may be run on a programmed dedicated integrated circuit for this purpose.

[0162] In addition, the operations of the process described in this embodiment may be performed in any suitable order, unless otherwise indicated in this embodiment or otherwise clearly contradicted by the context. The process described in this embodiment (or variations and / or combinations thereof) may be performed under the control of one or more computer systems configured with executable instructions, and may be implemented as a code (e.g., executable instructions, one or more computer programs, or one or more applications) executed on one or more processors in common, by hardware or a combination thereof. A computer program includes a plurality of instructions that may be executed by one or more processors.

[0163] Further, the method can be implemented in any type of computing platform that is operably connected to a suitable computer, including but not limited to a personal computer, a minicomputer, a mainframe, a workstation, a network or distributed computing environment, a separate or integrated computer platform, or in communication with a charged particle tool or other imaging device, etc. Various aspects of the present invention can be implemented in machine-readable code stored on a non-transitory storage medium or device, whether removable or integrated into a computing platform, such as a hard disk, an optical read and / or write storage medium, a RAM, a ROM, etc., so that it can be read by a programmable computer, and when the storage medium or device is read by the computer, it can be used to configure and operate the computer to perform the process described herein. In addition, the machine-readable code, or part thereof, can be transmitted via a wired or wireless network. When such media includes instructions or programs that implement the above steps in conjunction with a microprocessor or other data processor, the invention of this embodiment includes these and other different types of non-transitory computer-readable storage media. When programmed according to the methods and techniques of the present invention, the present invention also includes the computer itself.

[0164] The computer program can be applied to input data to perform the functions of the present embodiment, thereby converting the input data to generate output data stored in a non-volatile memory. The output information can also be applied to one or more output devices such as a display. In a preferred embodiment of the present invention, the converted data represents a physical and tangible object, including a specific visual depiction of the physical and tangible object produced on the display.

[0165] The above are only preferred embodiments of the present invention. The present invention is not limited to the above embodiments. As long as the technical effects of the present invention are achieved by the same means, any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of protection of the present invention. Within the scope of protection of the present invention, its technical solutions and / or implementation methods may have various modifications and changes.

Claims

1. A method for controlling an electric vehicle, It is characterized in that The electric vehicle control method comprises: Obtain at least one automobile function usage task; Detect charging ready signal; When the charging ready signal is detected, power supply energy is obtained from an external charging device; In response to the charge-ready signal, executing each of the vehicle function usage tasks; The power supply electric energy is used to power the automobile functional components and charge the power battery; the automobile functional components are automobile components used to perform the automobile functional usage tasks.

2. The electric vehicle control method according to claim 1, It is characterized in that The obtaining of at least one automobile function usage task comprises: Get travel plan information; At least one of the vehicle function usage tasks is determined according to the travel plan information.

3. The electric vehicle control method according to claim 1, It is characterized in that The execution of each of the vehicle function usage tasks includes: Obtaining the automobile function usage power consumption corresponding to each of the automobile function usage tasks; the automobile function usage power consumption is the power consumption of the automobile function components executing the corresponding automobile function usage tasks when they are running; Determining the execution order of the tasks for using the various vehicle functions according to the power consumption of the various vehicle functions; The vehicle function usage tasks are executed in sequence according to the determined execution order.

4. The electric vehicle control method according to claim 3, It is characterized in that The step of determining the execution order of the tasks for using the vehicle functions according to the power consumption of the vehicle functions comprises: Determine the maximum power; In the range of the maximum power, the power consumption of each of the vehicle functions is combined to obtain at least one power consumption combination; the same power consumption combination includes at least one of the vehicle functions, and the sum of the power consumption of all the vehicle functions in the same power consumption combination is not greater than the maximum power; Sorting the power consumption combinations in descending order; The execution order of each of the vehicle function usage tasks is determined according to the order of the power consumption combinations in which the corresponding vehicle function usage power consumptions are located.

5. The electric vehicle control method according to claim 1, It is characterized in that The method of using the power supply electric energy to supply power to the functional components of the vehicle and to charge the power battery comprises: Obtaining the automobile function usage power consumption corresponding to each of the automobile function usage tasks; the automobile function usage power consumption is the power consumption of the automobile function components executing the corresponding automobile function usage tasks when they are running; Determining the functional electrical energy according to the sum of the power consumption of each of the vehicle functions; Decomposing the power supply electric energy into the functional electric energy and the charging electric energy; the charging electric energy is the difference between the power supply electric energy and the functional electric energy; The functional electric energy is used to power the functional components of the automobile, and the charging electric energy is used to charge the power battery.

6. The electric vehicle control method according to claim 1, It is characterized in that The method of using the power supply electric energy to supply power to the functional components of the vehicle and to charge the power battery comprises: Get travel plan information; Determining a decomposition ratio according to the travel plan information; According to the decomposition ratio, the power supply electric energy is decomposed into the functional electric energy and the charging electric energy; The functional electric energy is used to power the functional components of the automobile, and the charging electric energy is used to charge the power battery.

7. The electric vehicle control method according to claim 5 or 6, It is characterized in that The method of using the functional electric energy to power the functional components of the vehicle and using the charging electric energy to charge the power battery includes: Acquire a standard performance curve and a standard charging curve; the standard performance curve represents the corresponding relationship between the target performance parameter of the functional component of the vehicle and time, and the standard charging curve represents the corresponding relationship between the target state of charge of the power battery and time; Obtaining an actual performance curve and an actual charging curve; the actual performance curve represents the corresponding relationship between the actual performance parameters of the functional components of the vehicle during past operation and time, and the standard charging curve represents the corresponding relationship between the actual state of charge of the power battery during past charging and time; According to the actual performance curve and the actual charging curve, the standard performance curve and the standard charging curve are corrected to obtain a corrected performance curve and a corrected charging curve; According to the modified performance curve, using the functional electric energy to drive the functional components of the vehicle to work; The charging electric energy is charged into the power battery according to the modified charging curve.

8. The electric vehicle control method according to claim 7, It is characterized in that The method of correcting the standard performance curve and the standard charging curve according to the actual performance curve and the actual charging curve to obtain a corrected performance curve and a corrected charging curve includes: Determining a first offset value according to the actual performance curve and the standard performance curve; Determining a second offset value according to the actual charging curve and the standard charging curve; Determine a third offset value according to the first offset value and the second offset value; the third offset value is positively correlated with the first offset value and negatively correlated with the second offset value; Determine a fourth offset value according to the first offset value and the second offset value; the fourth offset value is positively correlated with the second offset value and negatively correlated with the first offset value; Correcting the standard performance curve according to the third offset value to obtain the corrected performance curve; The standard charging curve is corrected according to the fourth offset value to obtain the corrected charging curve.

9. A computer device, It is characterized in that It comprises a memory and a processor, the memory is used to store at least one program, and the processor is used to load at least one program to execute the electric vehicle control method according to any one of claims 1 to 8.

10. A computer-readable storage medium having a program executable by a processor stored therein, It is characterized in that The program executable by the processor is used to execute the electric vehicle control method described in any one of claims 1 to 8 when executed by the processor.

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