Preheating temperature adjusting method, device and system for vehicle battery

Abstract

The invention provides a preheating temperature adjusting method, device and system of a vehicle battery, and is applied to a cloud platform in a preset temperature adjusting system of the vehicle battery, and the method comprises the steps: judging whether a historical driving type corresponding to historical driving data is a preset driving type or not according to the historical driving data of a target vehicle; if the historical driving type is a preset driving type, determining a battery preheating temperature corresponding to the target vehicle according to the historical driving data of the target vehicle, and sending the battery preheating temperature to a vehicle-end heat management control module, so that the vehicle-end heat management control module sends the battery preheating temperature to the target vehicle according to the battery preheating temperature before the target vehicle is started; and adjusting the initial battery temperature of the target vehicle to the battery preheating temperature. Therefore, the adjusted battery temperature is more adaptive to the driving type of the target vehicle, and the driving requirement of the target vehicle is met.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vehicle battery, in particular to a preheating temperature adjustment method, device and system of vehicle battery. BACKGROUND

[0002] Due to insufficient output power of vehicle battery in low temperature environment, it may cause difficulty in starting vehicle or decline in power performance, therefore, the prior art uses remote control function such as mobile phone software to start battery heating in advance to provide sufficient electric energy to support motor starting and normal operation, but the battery temperature adjusted remotely is fixed, which cannot completely match in special road conditions and cannot completely meet related driving requirements, for example, after setting a higher preheating temperature, the whole vehicle energy consumption is increased due to road condition adjustment and other reasons, or the battery discharge and energy recovery charging capacity are limited due to low battery temperature, thereby affecting driving experience. SUMMARY

[0003] The present application aims at the deficiencies in the prior art, and provides a preheating temperature adjustment method, device and system of vehicle battery, so as to determine the battery preheating temperature corresponding to the target vehicle according to the historical driving data of the target vehicle when the historical driving type is the preset driving type, and adjust the battery temperature of the target vehicle through the vehicle end thermal management control module.

[0004] To achieve the above-mentioned purpose, the technical solutions adopted by the embodiments of the present application are as follows: In a first aspect, the embodiments of the present application provide a preheating temperature adjustment method of vehicle battery, applied to a cloud platform in a preset temperature adjustment system of vehicle battery, the preset temperature adjustment system of vehicle battery further comprises a vehicle end thermal management control module, the cloud platform is in communication connection with the vehicle end thermal management control module, and the method comprises: determining whether the historical driving type corresponding to the historical driving data of the target vehicle is a preset driving type according to the historical driving data of the target vehicle; if the historical driving type is the preset driving type, determining the battery preheating temperature corresponding to the target vehicle according to the historical driving data of the target vehicle; sending the battery preheating temperature to the vehicle end thermal management control module, so that the vehicle end thermal management control module adjusts the initial battery temperature of the target vehicle to the battery preheating temperature according to the battery preheating temperature before starting the target vehicle.

[0005] In an optional implementation, the historical driving data comprises a historical driving route, and the determination of whether the historical driving type corresponding to the historical driving data of the target vehicle is a preset driving type according to the historical driving data of the target vehicle comprises: determining whether the historical driving route is a fixed driving route according to historical driving routes of the target vehicle within a preset time period or a preset number of times recently; if the historical driving route is the fixed driving route, determining whether a driving type corresponding to the fixed driving route is a preset driving type.

[0006] In an optional implementation, the historical driving data includes historical load data, historical gradient data, and historical acceleration and deceleration data; and the determining, if the historical driving type is the preset driving type, the battery preheating temperature corresponding to the target vehicle according to the historical driving data of the target vehicle includes: if the historical driving type is a steep uphill type, determining torque data when the target vehicle runs to a first preset position according to the historical load data, the historical gradient data, and the historical acceleration and deceleration data; determining the battery preheating temperature corresponding to the target vehicle according to the torque data.

[0007] In an optional implementation, the determining, according to the torque data, the battery preheating temperature corresponding to the target vehicle includes: determining a discharge capacity of a target vehicle battery corresponding to the torque data according to the torque data and a preset temperature reference table; determining target temperature information of the target vehicle battery according to the discharge capacity of the target vehicle battery; determining the battery preheating temperature corresponding to the target vehicle according to the target temperature information, a preset battery temperature rising rate, and time information when the target vehicle runs to the first preset position.

[0008] In an optional implementation, the historical driving data includes historical load data, historical gradient data, and historical acceleration and deceleration data; and the determining, if the historical driving type is the preset driving type, the battery preheating temperature corresponding to the target vehicle according to the historical driving data of the target vehicle includes: if the historical driving type is a steep downhill type, determining energy recovery data when the target vehicle runs to a second preset position according to the historical load data, the historical gradient data, and the historical acceleration and deceleration data; determining the battery preheating temperature corresponding to the target vehicle according to the energy recovery data.

[0009] In an optional implementation, the determining, according to the energy recovery data, the battery preheating temperature corresponding to the target vehicle includes: determine target temperature information of a target vehicle battery corresponding to the energy recovery data according to the energy recovery data and a preset temperature reference table; determine the battery preheating temperature corresponding to the target vehicle according to the target temperature information, a preset battery temperature rising rate and time information of the target vehicle running to a second preset position.

[0010] In an optional implementation, the method further includes: determining whether the battery preheating temperature is higher than the initial battery temperature; if the battery preheating temperature is higher than the initial battery temperature, sending a high-voltage request to a mobile terminal in a preset temperature adjustment system of the vehicle battery; receiving a high-voltage agreement message returned by the mobile terminal, and sending a heating request and the battery preheating temperature to the vehicle-side thermal management control module; obtaining real-time battery temperature data of the target vehicle, and if it is determined that the real-time battery temperature data satisfies a stop-heating condition, sending a stop-heating request to the vehicle-side thermal management control module.

[0011] In an optional implementation, the preset temperature adjustment system of the vehicle battery further includes a mobile terminal, and before the determining, the method further includes: receiving a battery temperature automatic adjustment request sent by the mobile terminal; determining, based on the battery temperature automatic adjustment request, whether a historical driving type corresponding to historical driving data of the target vehicle is a preset driving type according to the historical driving data of the target vehicle.

[0012] In a second aspect, the embodiments of the present application further provide a battery preheating temperature adjustment device applied to a cloud platform in a preset temperature adjustment system of a vehicle battery, the preset temperature adjustment system of the vehicle battery further including a vehicle-side thermal management control module, the cloud platform being in communication connection with the vehicle-side thermal management control module, and the device including: a determining module configured to determine, according to historical driving data of a target vehicle, whether a historical driving type corresponding to the historical driving data is a preset driving type; a determining module configured to determine, according to historical driving data of a target vehicle, a battery preheating temperature corresponding to the target vehicle if the historical driving type is the preset driving type; The sending module is configured to send the battery preheating temperature to the vehicle-end thermal management control module, so that the vehicle-end thermal management control module adjusts an initial battery temperature of the target vehicle to the battery preheating temperature according to the battery preheating temperature before the target vehicle is started.

[0013] In a third aspect, the embodiments of the present application further provide a preset temperature adjustment system of a vehicle battery, which comprises a cloud platform and a vehicle-end thermal management control module, wherein the cloud platform is in communication connection with the vehicle-end thermal management control module, and the cloud platform performs the steps of the preheating temperature adjustment method of the vehicle battery according to any one of the first aspect.

[0014] The present application has the following beneficial effects: The embodiments of the present application provide a preheating temperature adjustment method, device and system of a vehicle battery, which are applied to a cloud platform in a preset temperature adjustment system of a vehicle battery. The method comprises the following steps: determining whether a historical driving type corresponding to historical driving data of a target vehicle is a preset driving type according to the historical driving data of the target vehicle; if the historical driving type is the preset driving type, determining a battery preheating temperature corresponding to the target vehicle according to the historical driving data of the target vehicle; and sending the battery preheating temperature to a vehicle-end thermal management control module, so that the vehicle-end thermal management control module adjusts an initial battery temperature of the target vehicle to the battery preheating temperature according to the battery preheating temperature before the target vehicle is started. The method of the present application determines whether the historical driving type corresponding to the target vehicle is the preset driving type, and when the historical driving type is the preset driving type, determines the battery preheating temperature corresponding to the target vehicle according to the historical driving data of the target vehicle. The battery temperature of the target vehicle is adjusted by the vehicle-end thermal management control module, so that the adjusted battery temperature is more suitable for the driving type of the target vehicle and meets the driving requirements of the target vehicle. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0016] Figure 1 One of the flowcharts of the preheating temperature adjustment method of a vehicle battery provided by the embodiments of the present application; Figure 2 The second flowchart of the preheating temperature adjustment method of a vehicle battery provided by the embodiments of the present application; Figure 3A third flowchart of a vehicle battery preheating temperature adjustment method according to an embodiment of the present application is provided. Figure 4 A fourth flowchart of a vehicle battery preheating temperature adjustment method according to an embodiment of the present application is provided. Figure 5 A fifth flowchart of a vehicle battery preheating temperature adjustment method according to an embodiment of the present application is provided. Figure 6 A sixth flowchart of a vehicle battery preheating temperature adjustment method according to an embodiment of the present application is provided. Figure 7 A functional module diagram of a vehicle battery preheating temperature adjustment device according to an embodiment of the present application is provided. DETAILED DESCRIPTION

[0017] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application.

[0018] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative labor are within the scope of protection of the present application.

[0019] In the description of the present application, it should be noted that if the terms "upper", "lower", etc. indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product of the present application is used, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0020] Furthermore, the terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this invention are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that embodiments of the invention described herein can be implemented in orders other than those illustrated or described herein. Additionally, the terms "comprising" and "having," and any variations thereof, are intended to cover a non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0021] It should be noted that, where there is no conflict, the features in the embodiments of this application can be combined with each other.

[0022] To obtain a battery preheating temperature suitable for the target vehicle's requirements, this application provides a vehicle battery preheating temperature adjustment system. The system includes a cloud platform and a vehicle-side thermal management control module. The cloud platform and the vehicle-side thermal management control module are communicatively connected. The vehicle-side thermal management control module is integrated inside the target vehicle and adjusts the target vehicle's battery temperature to the preheating temperature by receiving the battery preheating temperature from the cloud platform. The cloud platform executes the vehicle battery preheating temperature adjustment method provided in this application. Specifically, it determines whether the historical driving type corresponding to the historical driving data is a preset driving type. When the historical driving type is a preset driving type, it determines the corresponding battery preheating temperature for the target vehicle based on the historical driving data. This allows the vehicle-side thermal management control module to adjust the target vehicle's battery temperature according to the preheating temperature, resulting in a battery temperature more suitable for the target vehicle's driving type.

[0023] The preheating temperature adjustment method for vehicle batteries provided in this application will be explained in detail below with reference to the accompanying drawings and specific examples. Figure 1 This is one of the flowcharts illustrating a method for preheating and adjusting the temperature of a vehicle battery according to an embodiment of this application; as shown below. Figure 1 As shown, the method includes: S101. Based on the historical driving data of the target vehicle, determine whether the historical driving type corresponding to the historical driving data is a preset driving type.

[0024] In this embodiment, the vehicle-side information upload module of the target vehicle uploads the historical driving data of the target vehicle to the cloud platform, so that the cloud platform can determine whether the historical driving type corresponding to the historical driving data is a preset driving type based on the historical driving data of the target vehicle.

[0025] The historical driving data of the target vehicle is historical driving route, load data, slope data, acceleration and deceleration data of the target vehicle in a historical time period, the preset driving type is a pre-defined driving type that needs to be preheated, for example, the preset driving type includes: vehicle heavy load uphill type, vehicle heavy load downhill type, etc., because the use scene is stable, preheating the vehicle battery in advance can ensure that the battery is in the best state every time the vehicle starts.

[0026] The cloud platform analyzes the historical driving data of the target vehicle by a preset algorithm, identifies the historical driving type of the target vehicle, and then compares it with the preset driving type to determine whether the battery preheating temperature corresponding to the target vehicle needs to be determined.

[0027] S102, if the historical driving type is the preset driving type, the battery preheating temperature corresponding to the target vehicle is determined according to the historical driving data of the target vehicle.

[0028] Specifically, if the preset driving type includes: vehicle heavy load uphill type, vehicle heavy load downhill type, and the historical driving type is determined to be the vehicle heavy load uphill type, the historical driving type is determined to be the preset driving type, and the battery preheating temperature corresponding to the target vehicle is determined according to the historical driving data of the target vehicle.

[0029] The historical driving type of the target vehicle is determined by analyzing the historical driving data of the target vehicle, so that the driving type after the current target vehicle starts can also be predicted as the historical driving type, and the battery preheating temperature determined according to the historical driving data of the target vehicle can be used as the preheating temperature of the battery of the current target vehicle.

[0030] S103, the battery preheating temperature is sent to the vehicle-side thermal management control module, so that the vehicle-side thermal management control module adjusts the initial battery temperature of the target vehicle to the battery preheating temperature according to the battery preheating temperature before the target vehicle starts.

[0031] The cloud platform sends the preheating temperature parameter to the vehicle-side thermal management control module through the Internet of Vehicles such as 4G / 5G, Bluetooth, etc., and the vehicle-side thermal management control module is a control unit responsible for battery heating or cooling inside the target vehicle. The vehicle-side thermal management control module controls the heating system of the target vehicle, such as PTC heater, heat pump system, to heat the battery of the target vehicle according to the battery preheating temperature before the target vehicle starts, so that the initial battery temperature of the target vehicle is adjusted to the battery preheating temperature. When the user starts the target vehicle, the vehicle battery is already at the preset optimal temperature, avoiding the problems of range drop and insufficient power during low-temperature start, while meeting the driving needs of the target vehicle.

[0032] In summary, the embodiment of the present application provides a vehicle battery preheating temperature adjustment method, which is applied to a cloud platform in a preset temperature adjustment system of a vehicle battery. The method comprises the following steps: determining whether a historical driving type corresponding to historical driving data of a target vehicle is a preset driving type according to the historical driving data of the target vehicle; if the historical driving type is the preset driving type, determining a battery preheating temperature corresponding to the target vehicle according to the historical driving data of the target vehicle; and sending the battery preheating temperature to a vehicle-side thermal management control module, so that the vehicle-side thermal management control module adjusts an initial battery temperature of the target vehicle to the battery preheating temperature according to the battery preheating temperature before the target vehicle starts. The method of the present application determines whether the historical driving type corresponding to the target vehicle is the preset driving type, and when the historical driving type is the preset driving type, determines the battery preheating temperature corresponding to the target vehicle according to the historical driving data of the target vehicle. The battery temperature of the target vehicle is adjusted by the vehicle-side thermal management control module, so that the adjusted battery temperature is more suitable for the driving type of the target vehicle and meets the driving demand of the target vehicle.

[0033] The embodiment of the present application also provides another possible implementation manner of the vehicle battery preheating temperature adjustment method. The historical driving data comprises historical driving routes, Figure 2 For the flowchart of the vehicle battery preheating temperature adjustment method provided by the embodiment of the present application, as shown in Figure 2 the historical driving type corresponding to the historical driving data of the target vehicle is determined to be the preset driving type, which comprises the following steps: S201, determining whether a historical driving route is a fixed driving route according to the historical driving route of the target vehicle in a preset time period or in the latest preset number of times.

[0034] In the embodiment, the preset time period is a pre-set time window, such as the last 3 days or the last 2 days, so as to avoid inaccurate data due to too long time. The latest preset number of times is the latest 3 driving records or the latest 2 driving records, etc.

[0035] The historical driving route comprises geographical information such as the starting point, the ending point and the route segment of each driving of the target vehicle, which is recorded by the vehicle-mounted GPS or navigation system of the target vehicle. The cloud platform determines whether the historical driving route of the target vehicle is a fixed driving route by analyzing the coincidence degree of multiple historical driving routes, for example, determining whether the starting point and the ending point are completely consistent, determining whether the route segment is completely consistent or meets a preset threshold, for example, more than 80% of the routes are the same. If the starting point and the ending point of the multiple historical driving routes are completely consistent, and the route segment is also completely consistent or meets the preset threshold, it is determined that the multiple historical driving routes are fixed driving routes.

[0036] S202, if the historical driving route is a fixed driving route, it is judged whether the driving type corresponding to the fixed driving route is a preset driving type.

[0037] Specifically, the driving type corresponding to the fixed driving route is determined, for example, if the driving from the starting point to the passing point A is flat driving, the driving from the passing point A to the passing point B is uphill driving, and the driving from the passing point B to the ending point is flat driving, it is determined that the driving type corresponding to the fixed driving route is the vehicle uphill steep slope type; if the driving from the starting point to the passing point A is flat driving, the driving from the passing point A to the passing point B is downhill driving, and the driving from the passing point B to the ending point is flat driving, it is determined that the driving type corresponding to the fixed driving route is the vehicle downhill steep slope type.

[0038] Further, it is judged whether the driving type corresponding to the fixed driving route is a preset driving type, if the driving type corresponding to the fixed driving route is the vehicle uphill steep slope type at this time, and the preset driving type includes the vehicle uphill steep slope type, it is determined that the driving type corresponding to the fixed driving route is the preset driving type, and similarly, if the driving type corresponding to the fixed driving route is the vehicle downhill steep slope type at this time, and the preset driving type includes the vehicle downhill steep slope type, it is determined that the driving type corresponding to the fixed driving route is the preset driving type.

[0039] In the method provided by the embodiment of the application, whether the historical driving route is a fixed driving route is judged according to the historical driving route of the target vehicle in a preset time period or a preset number of times recently; if the historical driving route is a fixed driving route, whether the driving type corresponding to the fixed driving route is a preset driving type is judged, by judging whether the route is fixed first, and then judging whether the fixed route is a preset driving type.

[0040] The embodiment of the application also provides another possible implementation manner of the method for adjusting the preheating temperature of the vehicle battery, the historical driving data includes: historical load data, historical slope data, historical acceleration and deceleration data, Figure 3 A flowchart of a third method for adjusting the preheating temperature of the vehicle battery provided by the embodiment of the application is shown in Figure 3 If the historical driving type is a preset driving type, the preheating temperature of the battery corresponding to the target vehicle is determined according to the historical driving data of the target vehicle, including: S301, if the historical driving type is the vehicle uphill steep slope type, the torque data of the target vehicle running to the first preset position is determined according to the historical load data, the historical slope data and the historical acceleration and deceleration data.

[0041] S302, the preheating temperature of the battery corresponding to the target vehicle is determined according to the torque data.

[0042] In the embodiment, the historical load data indicates the load information of the target vehicle when it is running in the past, such as the number of passengers, the weight of luggage, etc., which is recorded by a vehicle sensor or user input. The greater the load, the greater the torque required by the target vehicle to overcome gravity and friction. The historical slope data indicates the inclination angle, length, and continuous slope change of steep slopes, which can be obtained by GPS or map data. The steeper the slope and the longer the slope, the greater the torque that the vehicle needs to continuously output. The historical acceleration and deceleration data reflect the driving habits of the vehicle when climbing steep slopes, such as whether to accelerate frequently, accelerate sharply, or decelerate sharply. Sharp acceleration can cause a sharp increase in instantaneous torque demand.

[0043] The first preset position refers to a position in a steep slope where the torque demand is most critical, such as the bottom of the slope, the first 100 meters before the top of the slope, the midpoint of the section with the largest slope, etc. Whether the torque at this position can meet the requirements affects the driving safety and power performance. If the torque is insufficient, it may cause a lack of climbing power and a vehicle sliding, etc. Taking the bottom of the slope as an example, the cloud platform determines the torque data of the target vehicle running to the slope according to the historical load data, the historical slope data, and the historical acceleration and deceleration data. For example, the torque data calculation formula is: torque data = (vehicle weight + historical load data) x historical slope data x historical acceleration and deceleration data x correction parameter (such as road surface friction coefficient).

[0044] According to the calculated torque data of the target vehicle running to the first preset position, the temperature that the vehicle battery needs to reach is deduced, ensuring that the battery can stably output the required torque at this temperature, avoiding insufficient power due to low temperature, and avoiding excessive preheating and wasting energy.

[0045] Optionally, according to the torque data and a preset temperature reference table, the discharge capacity of the target vehicle battery corresponding to the torque data is determined; according to the discharge capacity of the target vehicle battery, target temperature information of the target vehicle battery is determined; and according to the target temperature information, a preset battery temperature rise rate, and time information of the target vehicle running to the first preset position, a battery preheating temperature corresponding to the target vehicle is determined.

[0046] Specifically, the torque output of the vehicle is determined by the motor power, and the motor power depends on the discharge capacity of the battery, i.e., the electrical energy that the battery can output per unit time, which is usually measured by power or current. The discharge capacity of different models of vehicle batteries corresponds to different torque data, and the preset temperature reference table records the correspondence between the discharge capacity of different models of vehicle batteries and the torque data, so as to determine the discharge capacity of the target vehicle battery corresponding to the torque data by consulting the preset temperature reference table.

[0047] Then, based on the required discharge capacity, the target temperature that the vehicle battery needs to reach is calculated. This is the temperature at which the vehicle battery can stably output the required discharge capacity. Similarly, by referring to a preset temperature reference table, the target temperature information corresponding to the discharge capacity of the target vehicle battery is determined. The target temperature information refers to the temperature that the vehicle battery needs to reach when the target vehicle travels to the first preset position. This temperature is the minimum guaranteed temperature to ensure that the battery discharge capacity just meets the torque requirement at this time.

[0048] Finally, based on the target temperature information, the preset battery temperature rise rate, and the time information when the target vehicle reaches the first preset position, the preheating temperature before starting the target vehicle is calculated to ensure that the battery temperature can just rise to the target temperature during the process from starting the vehicle to driving to the first preset position.

[0049] The preset battery temperature rise rate refers to the natural temperature rise rate of the battery during vehicle operation (unit: °C / minute), which is determined by battery characteristics, driving conditions, ambient temperature, etc. By determining the time required for the vehicle to travel from start-up to the first preset position, the preset battery temperature rise rate, and the target temperature information, the preheating temperature of the target vehicle's battery, i.e., the preheating temperature of the target vehicle before start-up, can be deduced.

[0050] In the method provided in this application embodiment, if the historical driving type is a vehicle going up a steep slope, the torque data when the target vehicle runs to the first preset position is determined based on historical load data, historical slope data, and historical acceleration / deceleration data; based on the torque data, the battery preheating temperature corresponding to the target vehicle is determined. For the precise preheating control of the uphill scenario, the battery preheating temperature corresponding to the target vehicle is determined to avoid the vehicle's ability to go up steep slopes under heavy load due to the vehicle battery temperature being too low. This satisfies the vehicle's power requirements while also taking into account the battery's efficiency and lifespan.

[0051] This application also provides another possible implementation of the vehicle battery preheating temperature regulation method, where historical driving data includes: historical load data, historical gradient data, and historical acceleration / deceleration data. Figure 4 This is the fourth flowchart illustrating a method for adjusting the preheating temperature of a vehicle battery, as provided in this application embodiment. Figure 4 As shown, if the historical driving type is a preset driving type, then the battery preheating temperature corresponding to the target vehicle is determined based on the target vehicle's historical driving data, including: S401. If the historical driving type is a vehicle going down a steep slope, then based on the historical load data, historical slope data and historical acceleration and deceleration data, determine the energy recovery data when the target vehicle runs to the second preset position.

[0052] S402. Based on the energy recovery data, determine the battery preheating temperature corresponding to the target vehicle.

[0053] In the embodiment, the second preset position refers to a position critical for energy recovery in downhill driving, such as the top of the slope, the continuous curve area at the middle of the slope, the deceleration section before the bottom of the slope, and the like. The energy recovery efficiency at the position directly affects the overall endurance improvement. If the recovery is insufficient, the brake pads may be overheated or the endurance may be lost. Taking the top of the slope as an example, the cloud platform may determine the energy recovery data of the target vehicle when running to the second preset position according to historical load data, historical slope data, and historical acceleration and deceleration data by using the energy recovery model.

[0054] Then, according to the calculated energy recovery data of the target vehicle when running to the second preset position, the temperature required by the vehicle battery is back-calculated to ensure that the battery can efficiently and safely receive the recovered energy at the temperature, avoiding low recovery efficiency due to low temperature or battery overheating due to high temperature.

[0055] Alternatively, the target temperature information of the target vehicle battery corresponding to the energy recovery data is determined according to the energy recovery data and a preset temperature reference table; and the battery preheating temperature corresponding to the target vehicle is determined according to the target temperature information, a preset battery temperature rise rate, and time information of the target vehicle when running to the second preset position.

[0056] Specifically, the energy recovery data corresponding to the temperature of different types of vehicle batteries is different, and the preset temperature reference table records the correspondence between the temperature of different types of vehicle batteries and the energy recovery data, so as to determine the target temperature information of the target vehicle battery corresponding to the energy recovery data by consulting the preset temperature reference table. The target temperature information refers to the temperature required by the vehicle battery when the target vehicle drives to the second preset position.

[0057] Finally, according to the target temperature information, the preset battery temperature rise rate, and the time information of the target vehicle when running to the second preset position, the battery preheating temperature corresponding to the target vehicle, i.e., the preheating temperature before the target vehicle starts, is back-calculated to ensure that the battery temperature can just rise to the target temperature during the process from starting to driving to the second preset position.

[0058] In the method provided in the embodiment, if the historical driving type is the vehicle downhill driving type, the energy recovery data of the target vehicle when running to the second preset position is determined according to the historical load data, the historical slope data, and the historical acceleration and deceleration data, the battery preheating temperature corresponding to the target vehicle is determined according to the energy recovery data, the precise preheating control for the downhill driving scenario is determined, the battery preheating temperature corresponding to the target vehicle is determined, and in the case of cold vehicle and heavy load downhill driving, the vehicle braking energy recovery capability is not limited by the low battery, and the vehicle cannot fully recover the electric energy. In addition, the vehicle needs to be braked by the driver in the downhill driving scenario, and the vehicle cannot be stopped in the case of long and steep slope.

[0059] The embodiment of the application also provides another possible implementation manner of the preheating temperature adjustment method of the vehicle battery.Figure 5 A flowchart of a preheating temperature adjustment method of a vehicle battery according to an embodiment of the present application is shown in Figure 5. Figure 5 As shown in Figure 5, the battery preheating temperature is sent to the vehicle end thermal management control module, and the method comprises the following steps. S501, determining whether the battery preheating temperature is higher than the initial battery temperature.

[0060] S502, if the battery preheating temperature is higher than the initial battery temperature, sending a high voltage request message to the mobile terminal in the preset temperature adjustment system of the vehicle battery.

[0061] S503, receiving the high voltage agreement message replied by the mobile terminal, and sending a heating request and the battery preheating temperature to the vehicle end thermal management control module.

[0062] S504, obtaining real-time battery temperature data of the target vehicle, and if it is determined that the real-time battery temperature data meets the stop heating condition, sending a stop heating request to the vehicle end thermal management control module.

[0063] In this embodiment, the initial battery temperature is the actual battery temperature of the target vehicle at present, which is collected by the vehicle end sensor in real time and uploaded to the cloud platform, and then the battery preheating temperature calculated by the cloud platform is compared with the initial battery temperature. If the battery preheating temperature is higher than the initial battery temperature, it means that the vehicle battery needs to be heated at this time. If the battery preheating temperature is lower than or equal to the initial battery temperature, it means that the vehicle battery does not need to be heated at this time.

[0064] If the battery preheating temperature is higher than the initial battery temperature, a high voltage request is sent to the mobile terminal in the preset temperature adjustment system of the vehicle battery to obtain the operation authorization through the mobile terminal. After receiving the message of agreeing to the high voltage request, a heating request and the battery preheating temperature are sent to the vehicle end thermal management control module, so that the vehicle end thermal management control module adjusts the initial battery temperature according to the battery preheating temperature.

[0065] The stop heating condition includes that the real-time battery temperature data reaches the battery preheating temperature, and the cloud platform obtains the battery temperature collected by the vehicle end sensor in real time. When it is detected that the real-time battery temperature data reaches the battery preheating temperature, a stop heating request is sent to the vehicle end thermal management control module, so that the vehicle end thermal management control module stops heating the vehicle battery.

[0066] In addition, the stop heating condition can also include that the heating duration reaches the preset duration. If the cloud platform detects that the heating duration reaches the preset duration, a stop heating request is sent to the vehicle end thermal management control module, so that the vehicle end thermal management control module stops heating the vehicle battery, avoiding abnormal situations and continuous heating, which can cause damage to the vehicle battery.

[0067] In the method provided by the embodiment of the application, it is determined whether the battery preheating temperature is higher than the initial battery temperature; if the battery preheating temperature is higher than the initial battery temperature, a high-voltage request is sent to a mobile terminal in a preset battery temperature adjustment system of the vehicle battery; an agreement high-voltage message replied by the mobile terminal is received, and a heating request and the battery preheating temperature are sent to a vehicle end thermal management control module; real-time battery temperature data of the target vehicle are acquired, and if it is determined that the real-time battery temperature data meet a stop heating condition, a stop heating request is sent to the vehicle end thermal management control module, so that the accuracy of battery temperature adjustment is ensured, and the safety and the right to know of the user are taken into account through the user authorization mechanism.

[0068] The embodiment of the application further provides another possible implementation manner of the method for adjusting the preheating temperature of the vehicle battery, and the preset battery temperature adjustment system of the vehicle battery further includes a mobile terminal, Figure 6 As shown in FIG. 6, before it is determined whether the historical driving type corresponding to the historical driving data of the target vehicle is the preset driving type according to the historical driving data of the target vehicle, the method further includes the following steps. Figure 6 S601, receiving a battery temperature automatic adjustment request sent by the mobile terminal.

[0069] S602, based on the battery temperature automatic adjustment request, determining whether the historical driving type corresponding to the historical driving data of the target vehicle is the preset driving type according to the historical driving data of the target vehicle.

[0070] In the embodiment, the mobile terminal is in communication connection with the cloud platform, and thus the instruction issued by the user through the operation interface of the mobile terminal, such as clicking the button of intelligently starting the battery preheating, makes the cloud platform receive the battery temperature automatic adjustment request sent by the mobile terminal, at this time, the cloud platform can automatically determine whether the historical driving type corresponding to the historical driving data of the target vehicle is the preset driving type according to the historical driving data of the target vehicle.

[0071] It should be noted that the user clicks the button of manually starting the battery preheating and selects the target temperature range on the operation interface of the mobile terminal, and then the vehicle end thermal management control module adjusts the battery temperature of the target vehicle according to the selected target temperature range, so that the switching between manual adjustment and automatic adjustment can be realized.

[0072] The following continues to explain the vehicle battery preheating temperature adjustment device provided by any one of the above embodiments of the application, the specific implementation process and the technical effects generated are the same as those of the corresponding method embodiments, and for brief description, the parts not mentioned in the embodiment can be referred to the corresponding contents in the method embodiments.

[0073] Figure 7 ​A functional module schematic diagram of a vehicle battery preheating temperature adjusting device is provided for an embodiment of the present application. As shown in Figure 7 The vehicle battery preheating temperature adjusting device 100 comprises: A judgment module 110, configured to determine whether a historical driving type corresponding to historical driving data of a target vehicle is a preset driving type according to the historical driving data of the target vehicle. A determination module 120, configured to determine a battery preheating temperature corresponding to the target vehicle according to the historical driving data of the target vehicle if the historical driving type is the preset driving type. A sending module 130, configured to send the battery preheating temperature to a vehicle-side thermal management control module, so that the vehicle-side thermal management control module adjusts an initial battery temperature of the target vehicle to the battery preheating temperature according to the battery preheating temperature before starting the target vehicle.

[0074] Optionally, the historical driving data comprises historical driving routes, and the judgment module 110 is further configured to determine whether a historical driving route is a fixed driving route according to historical driving routes in a preset time period or a preset number of latest historical driving routes of the target vehicle, and determine whether a driving type corresponding to the fixed driving route is the preset driving type if the historical driving route is the fixed driving route.

[0075] Optionally, the historical driving data comprises historical load data, historical gradient data and historical acceleration and deceleration data, and the determination module 120 is further configured to determine torque data when the target vehicle runs to a first preset position according to the historical load data, the historical gradient data and the historical acceleration and deceleration data if the historical driving type is a vehicle-uphill type, and determine the battery preheating temperature corresponding to the target vehicle according to the torque data.

[0076] Optionally, the determination module 120 is further configured to determine a discharge capacity of a target vehicle battery corresponding to the torque data according to the torque data and a preset temperature reference table, determine target temperature information of the target vehicle battery according to the discharge capacity of the target vehicle battery, and determine the battery preheating temperature corresponding to the target vehicle according to the target temperature information, a preset battery temperature rising rate and time information when the target vehicle runs to the first preset position.

[0077] Optionally, the historical driving data comprises historical load data, historical gradient data and historical acceleration and deceleration data, and the determination module 120 is further configured to determine energy recovery data when the target vehicle runs to a second preset position according to the historical load data, the historical gradient data and the historical acceleration and deceleration data if the historical driving type is a vehicle-downhill type, and determine the battery preheating temperature corresponding to the target vehicle according to the energy recovery data.

[0078] Optionally, the determining module 120 is further configured to determine target temperature information of the target vehicle battery corresponding to the energy recovery data according to the energy recovery data and a preset temperature reference table; and determine a battery preheating temperature corresponding to the target vehicle according to the target temperature information, a preset battery temperature rising rate, and time information of the target vehicle running to the second preset location.

[0079] Optionally, the determining module 110 is further configured to determine whether the battery preheating temperature is higher than the initial battery temperature. The sending module 130 is further configured to send a high-voltage request to a mobile terminal in a preset temperature adjustment system of the vehicle battery if the battery preheating temperature is higher than the initial battery temperature; receive an agreed high-voltage message returned by the mobile terminal, and send a heating request and the battery preheating temperature to a vehicle thermal management control module; and obtain real-time battery temperature data of the target vehicle, and send a stop heating request to the vehicle thermal management control module if it is determined that the real-time battery temperature data meets a stop heating condition.

[0080] Optionally, the preset temperature adjustment system of the vehicle battery further includes a mobile terminal and a receiving module, where the receiving module is configured to receive a battery temperature automatic adjustment request sent by the mobile terminal. The determining module 110 is further configured to determine, based on the battery temperature automatic adjustment request, whether a historical driving type corresponding to historical driving data of the target vehicle is a preset driving type according to the historical driving data.

[0081] The apparatus is used for executing the method provided in the foregoing embodiments, and has similar implementation principles and technical effects, which will not be repeated here.

[0082] The above modules can be one or more integrated circuits configured to implement the above method, for example, one or more application specific integrated circuits (ASICs), or one or more microprocessors, or one or more field programmable gate arrays (FPGAs), etc. For another example, when a certain module above is implemented in the form of a processing element scheduling program code, the processing element can be a general-purpose processor, for example, a central processing unit (CPU) or other processor that can invoke program code. For another example, the modules can be integrated together to be implemented in the form of a system on a chip (SOC).

[0083] The above merely illustrates the specific embodiments of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can easily think of the changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A method of regulating a preheating temperature of a vehicle battery, characterized by, The cloud platform is applied to a preset temperature regulation system of a vehicle battery, and the preset temperature regulation system of the vehicle battery further comprises a vehicle-side thermal management control module, the cloud platform is in communication connection with the vehicle-side thermal management control module, and the method comprises the following steps: According to the historical driving data of the target vehicle, it is judged whether the historical driving type corresponding to the historical driving data is a preset driving type; If the historical driving type is the preset driving type, then according to the historical driving data of the target vehicle, the battery preheating temperature corresponding to the target vehicle is determined; The battery preheating temperature is sent to the vehicle-side thermal management control module, so that the vehicle-side thermal management control module adjusts the initial battery temperature of the target vehicle to the battery preheating temperature according to the battery preheating temperature before the target vehicle starts.

2. The method of claim 1, wherein, The historical driving data includes historical driving routes, and the step of judging whether the historical driving type corresponding to the historical driving data is a preset driving type according to the historical driving data of the target vehicle comprises the following steps: According to the historical driving route of the target vehicle within a preset time period or the latest preset number of times, it is judged whether the historical driving route is a fixed driving route; If the historical driving route is the fixed driving route, then it is judged whether the driving type corresponding to the fixed driving route is a preset driving type.

3. The method of claim 1, wherein, The historical driving data includes historical load data, historical slope data and historical acceleration and deceleration data, and the step of determining the battery preheating temperature corresponding to the target vehicle according to the historical driving data of the target vehicle if the historical driving type is the preset driving type comprises the following steps: If the historical driving type is the vehicle uphill type, then according to the historical load data, the historical slope data and the historical acceleration and deceleration data, the torque data when the target vehicle runs to a first preset position is determined; According to the torque data, the battery preheating temperature corresponding to the target vehicle is determined.

4. The method of claim 3, wherein, The step of determining the battery preheating temperature corresponding to the target vehicle according to the torque data comprises the following steps: According to the torque data and a preset temperature reference table, the discharge capacity of the target vehicle battery corresponding to the torque data is determined; According to the discharge capacity of the target vehicle battery, the target temperature information of the target vehicle battery is determined; According to the target temperature information, a preset battery temperature rising rate and time information when the target vehicle runs to a first preset position, the battery preheating temperature corresponding to the target vehicle is determined.

5. The method of claim 1, wherein, The historical driving data includes historical load data, historical slope data and historical acceleration and deceleration data, and the step of determining the battery preheating temperature corresponding to the target vehicle according to the historical driving data of the target vehicle if the historical driving type is the preset driving type comprises the following steps: If the historical driving type is the vehicle downhill type, then according to the historical load data, the historical slope data and the historical acceleration and deceleration data, the energy recovery data when the target vehicle runs to a second preset position is determined; According to the energy recovery data, the battery preheating temperature corresponding to the target vehicle is determined.

6. The method of claim 5, wherein, The method comprises the following steps of: According to the energy recovery data and the preset temperature reference table, the target temperature information of the target vehicle battery corresponding to the energy recovery data is determined; According to the target temperature information, the preset battery temperature rising rate and the time information when the target vehicle runs to the second preset position, the battery preheating temperature corresponding to the target vehicle is determined.

7. The method of claim 1, wherein, The method comprises the following steps of: determining whether the battery preheating temperature is higher than the initial battery temperature; If the battery preheating temperature is higher than the initial battery temperature, a high-voltage request is sent to a mobile terminal in a preset temperature adjustment system of the vehicle battery; The method comprises the following steps of: If it is determined that the real-time battery temperature data meets the stop heating condition, a stop heating request is sent to the vehicle-side thermal management control module.

8. The method of claim 1, wherein, The preset temperature adjustment system of the vehicle battery further comprises a mobile terminal, and before the method comprises the following steps of: The method further comprises the following steps of: According to the battery temperature automatic adjustment request, it is determined whether the historical driving type corresponding to the historical driving data of the target vehicle is a preset driving type.

9. A preheating temperature adjusting device of a vehicle battery, characterized by, The cloud platform applied to the preset temperature adjustment system of the vehicle battery further comprises a vehicle-side thermal management control module, and the cloud platform and the vehicle-side thermal management control module are in communication connection, and the device comprises: A determination module is configured to determine, according to the historical driving data of the target vehicle, whether a historical driving type corresponding to the historical driving data is a preset driving type; A determination module is configured to determine, according to the historical driving data of the target vehicle, a battery preheating temperature corresponding to the target vehicle if the historical driving type is the preset driving type; A sending module is configured to send the battery preheating temperature to the vehicle-side thermal management control module, so that the vehicle-side thermal management control module adjusts an initial battery temperature of the target vehicle to the battery preheating temperature according to the battery preheating temperature before the target vehicle starts.

10. A preset temperature adjustment system of a vehicle battery, characterized by, The preset temperature adjustment system of the vehicle battery comprises a cloud platform and a vehicle-side thermal management control module, the cloud platform and the vehicle-side thermal management control module are in communication connection, and the cloud platform performs the steps of the battery preheating temperature adjustment method of the vehicle battery according to any one of claims 1 to 8.

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