Battery preheating control method, device, equipment and vehicle

Abstract

The present application provides a battery preheating control method, device, equipment and vehicle. Specifically, the method includes: obtaining navigation information and driving information of the vehicle; determining whether the navigation information meets the first battery preheating condition and whether the driving information meets the second battery preheating condition; in response to the navigation information meeting the first battery preheating condition and the driving information meeting the second battery preheating condition, controlling the vehicle to preheat the battery. By adopting this battery preheating control method, the present application can preheat the battery of a vehicle to be fast charged in advance, so that the battery can approach or reach the corresponding fast charging temperature, shorten the heating time of the battery when the vehicle is fast charging, and thus improve the charging speed of the vehicle.

Description

Technical Field

[0001] The present application relates to the technical field of vehicles, and particularly to a battery preheating control method, device, equipment and vehicle. Background Art

[0002] With the gradual development of technology and the continuous improvement of living standards, vehicles have become an essential means of transportation in people's work and life. However, the resulting problem of energy shortage has become increasingly obvious. Therefore, countries around the world are actively developing and applying new energy. China is one of the countries with the largest number of new energy industries in the world. Especially in the field of new energy vehicles, both the R & D ability and manufacturing level are at the leading level in the world. At present, the vast majority of new energy vehicles use batteries as the driving unit. To maintain the stability of battery charging and power supply, a battery thermal management system is configured in new energy vehicles to regulate the temperature of the battery. Usually, when charging a vehicle with a fast charging pile, it is necessary to heat the battery through the battery thermal management system. When the temperature of the battery reaches the corresponding fast charging temperature, the vehicle can achieve fast charging to improve the charging speed. However, during the process of heating the battery, it takes a certain amount of time for the battery to rise to the fast charging temperature. And during the heating period, since the current temperature of the battery does not meet the fast charging temperature of the battery, the charging speed of the battery is slow and the charging time will be prolonged, making the charging process have a certain lag, which affects the user's vehicle use experience. Summary of the Invention

[0003] In view of this, the main purpose of the present application is to solve the technical problem that vehicles with fast charging in the prior art need to consume a certain amount of time during the preheating process, reducing the charging speed of the vehicle and making the charging process have lag. The present application provides a battery preheating control method, device, equipment and vehicle.

[0004] Based on the above purpose, the present application provides a battery preheating control method, including:

[0005] Obtain the navigation information and driving information of the vehicle;

[0006] Judge whether the navigation information meets the first battery preheating condition and whether the driving information meets the second battery preheating condition;

[0007] In response to the navigation information meeting the first battery preheating condition and the driving information meeting the second battery preheating condition, control the vehicle to preheat the battery.

[0008] Optionally, the navigation information of the vehicle includes the current position information of the vehicle, the destination position information of the vehicle and the charging station information.

[0009] The obtaining the navigation information and driving information of the vehicle includes:

[0010] Obtain the current position information of the vehicle;

[0011] Judge whether the vehicle is on a highway according to the current position information of the vehicle;

[0012] In response to the vehicle being on a highway, obtain the destination position information, charging station information and driving information of the vehicle.

[0013] Optionally, the obtaining the destination position information and charging station information of the vehicle in response to the vehicle being on a highway includes:

[0014] Determine a first preset driving distance of the vehicle according to the current position information of the vehicle and the destination position information of the vehicle;

[0015] In response to the first preset driving distance being greater than or equal to a first distance threshold, judge whether the vehicle is on an approach lane of the highway, wherein the exit of the approach lane is connected to a charging station;

[0016] In response to the vehicle being on the approach lane of the highway, determine a second preset driving distance of the vehicle according to the current position information of the vehicle and the charging station information;

[0017] In response to the second preset driving distance being less than a second distance threshold, the navigation information of the vehicle meets the first battery preheating condition.

[0018] Optionally, the driving information of the vehicle includes the vehicle speed information,

[0019] The judging whether the driving information meets the second battery preheating condition includes:

[0020] Judge whether the vehicle speed information of the vehicle meets the second battery preheating condition;

[0021] In response to the vehicle speed information of the vehicle being less than a first speed threshold, the vehicle speed information of the vehicle meets the second battery preheating condition.

[0022] Optionally, the driving information of the vehicle includes the battery power information of the vehicle,

[0023] The judging whether the driving information meets the second battery preheating condition includes:

[0024] Judge whether the battery power information of the vehicle meets the second battery preheating condition;

[0025] In response to the battery power information of the vehicle being less than the first power threshold, it is determined whether there is a fast charging pile in the charging station according to the navigation information;

[0026] In response to there being a fast charging pile in the charging station, the battery power information of the vehicle meets the second battery preheating condition.

[0027] Optionally, the response that the navigation information meets the first battery preheating condition and the driving information meets the second battery preheating condition includes:

[0028] Obtain the current temperature information of the components around the battery in the vehicle, and determine whether the current temperature information of the components meets the second battery preheating condition;

[0029] In response to the current temperature information of the components being less than or equal to the first temperature threshold, control the vehicle to operate the battery preheating circuit at low power, and / or turn off the fan, and / or close the intake grille;

[0030] In response to the current temperature information of the components being greater than the first temperature threshold, there is no need to preheat the battery.

[0031] Optionally, the response that the navigation information meets the first battery preheating condition and the driving information meets the second battery preheating condition, then controlling the vehicle to preheat the battery, and then includes:

[0032] In response to receiving a fast charging signal, obtain the current temperature information of the battery;

[0033] In response to the current temperature information of the battery being less than the first temperature threshold, control the motor cooling circuit of the vehicle and the battery preheating circuit to preheat the battery.

[0034] Based on the same inventive concept, the present application also provides a battery preheating control device, including:

[0035] An acquisition module, configured to acquire the navigation information and driving information of the vehicle;

[0036] A judgment module, configured to judge whether the navigation information meets the first battery preheating condition and whether the driving information meets the second battery preheating condition;

[0037] A control module, configured to control the vehicle to preheat the battery in response to the navigation information meeting the first battery preheating condition and the driving information meeting the second battery preheating condition.

[0038] Based on the same inventive concept, the present application further provides an electronic device, including a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein when the processor executes the program, the method described in any of the above embodiments is implemented.

[0039] Based on the same inventive concept, the present application further provides a non-transitory computer-readable storage medium storing computer instructions for causing a computer to execute the method described in any of the above embodiments.

[0040] Based on the same inventive concept, the present application further provides a vehicle, including the battery preheating control device described in the above embodiments; and / or the electronic device described in the above embodiments; and / or the non-transitory computer-readable storage medium described in the above embodiments.

[0041] As can be seen from the above, by adopting the battery preheating control method, device, equipment and vehicle, the present application can preheat the battery of the vehicle to be fast-charged in advance, adjust the temperature of the battery to be close to or reach the corresponding fast-charging temperature in advance, shorten the heating time of the battery when the vehicle is fast-charging, and thus improve the charging speed of the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] In order to more clearly illustrate the technical solutions in the present application or related technologies, the following will briefly introduce the drawings required for use in the description of the embodiments or related technologies. Obviously, the drawings in the following description are only embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0043] Figure 1 is a flowchart of the battery preheating control method;

[0044] Figure 2 is a flowchart of whether the vehicle is on a highway;

[0045] Figure 3 is a flowchart of whether the navigation information of the vehicle meets the first battery preheating condition;

[0046] Figure 4 is a flowchart of whether the vehicle speed information of the vehicle meets the second battery preheating condition;

[0047] Figure 5 is a flowchart of whether the battery power information of the vehicle meets the second battery preheating condition;

[0048] Figure 6 is a flowchart of preheating the battery of the vehicle;

[0049] Figure 7It is a flowchart for fast charging of a vehicle;

[0050] Figure 8 It is a flowchart of an embodiment in the present application;

[0051] Figure 9 It is a schematic structural diagram of a battery preheating method;

[0052] Figure 10 It is a schematic structural diagram of an electronic device. Detailed implementation manners

[0053] To make the objectives, technical solutions and advantages of the present application clearer and more understandable, the following further describes the present application in detail with reference to specific embodiments and the accompanying drawings.

[0054] Specifically, unless otherwise defined, the technical terms or scientific terms used in the embodiments of the present application should have the ordinary meanings understood by those with ordinary skills in the field to which the present application belongs. The "first", "second" and similar terms used in the embodiments of the present application do not indicate any order, quantity or importance, but are only used to distinguish different components. Terms such as "including" or "comprising" mean that the elements or objects appearing before this term cover the elements or objects listed after this term and their equivalents, without excluding other elements or objects. Terms such as "connected" or "coupled" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Upper", "lower", "left", "right", etc. are only used to represent relative positional relationships, and when the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0055] In the related art, the vast majority of new energy vehicles use batteries as the driving unit. To maintain the stability of battery charging and power supply, a battery thermal management system is configured in new energy vehicles to adjust the temperature of the battery; usually, when charging a vehicle with a fast charging pile, it is necessary to heat the battery through the battery thermal management system, and the vehicle can achieve fast charging only when the temperature of the battery reaches the corresponding fast charging temperature to improve the charging speed. However, during the process of heating the battery, it takes a certain amount of time for the battery to rise to the fast charging temperature, and during the heating period, since the current temperature of the battery does not meet the fast charging temperature of the battery, the charging speed of the battery is slow and the charging time will be prolonged, affecting the user's vehicle use experience.

[0056] In view of this, please refer to Figure 1 , the present application provides a battery preheating control method, including:

[0057] Step S100, obtaining the navigation information and driving information of the vehicle;

[0058] In this step, during the driving of the vehicle, the vehicle's controller can actively obtain the navigation information and driving information of the vehicle during driving, so as to control the battery thermal management system to preheat the battery according to the vehicle's navigation information and driving information.

[0059] Step S200: Determine whether the navigation information meets the first battery preheating condition and whether the driving information meets the second battery preheating condition;

[0060] In this step, it is determined whether the vehicle needs to be preheated according to the navigation information and driving information obtained by the vehicle; among them, according to the vehicle's navigation information, it can be determined whether the navigation information in this situation meets the first battery preheating condition, and according to the vehicle's driving information, it can be determined whether the driving information in this situation meets the second battery preheating condition. The battery thermal management system is controlled according to the judgment results of the navigation information and driving information to pre-regulate the temperature of the battery, such as preheating the battery in advance.

[0061] Step S300: In response to the navigation information meeting the first battery preheating condition and the driving information meeting the second battery preheating condition, control the vehicle to preheat the battery.

[0062] In this step, if the vehicle's navigation information meets the first battery preheating condition and the vehicle's driving information meets the second battery preheating condition, then the vehicle can be preheated in advance. The controller can control the battery thermal management system to preheat the battery in advance to increase the temperature of the battery, so that its current temperature of the battery is close to or meets its fast charging temperature, so as to shorten the heating time of the vehicle during fast charging, thereby increasing the high charging speed of the vehicle.

[0063] Specifically, when the vehicle is driving, the controller can actively obtain the corresponding navigation information and driving information of the vehicle, and can judge whether the vehicle meets the first battery preheating condition and the second battery preheating condition according to the obtained navigation information and driving information, so that the controller controls the operating temperature of the battery regulated by the battery thermal management system; among them, if the judgment result is that the vehicle's navigation information meets the first battery preheating condition and the vehicle's driving information meets the second battery preheating condition, at this time, the controller can control the battery thermal management system of the vehicle to be preheated in advance to increase the current operating temperature of the battery, so that its current temperature is close to or reaches the corresponding fast charging temperature, and the heating time of the battery during fast charging of the vehicle can be saved, so that the battery can approach or reach the fast charging temperature in advance.

[0064] In addition, through this battery preheating control method, the battery of the vehicle to be fast charged can be preheated in advance, and the temperature of the battery can be adjusted in advance to be close to or reach the corresponding fast charging temperature, shortening the heating time of the battery during fast charging of the vehicle, thereby increasing the charging speed of the vehicle and solving the problem of the lag in vehicle charging.

[0065] In some embodiments, referring to Figure 2 , the navigation information of the vehicle includes the current position information of the vehicle, the destination position information of the vehicle, and charging station information.

[0066] Obtain the navigation information and driving information of the vehicle, including:

[0067] Step S110: Obtain the current position information of the vehicle;

[0068] In this step, during the driving process of the vehicle, the controller can actively obtain the navigation information of the vehicle, and the current position information of the vehicle can be obtained through the navigation information of the vehicle.

[0069] Step S120: Determine whether the vehicle is on a highway according to the current position information of the vehicle;

[0070] In this step, after obtaining the current position information of the vehicle, the vehicle can judge the driving position and driving scenario of the vehicle according to the current position information of the vehicle to determine whether the vehicle is currently driving on a highway.

[0071] Step S130: In response to the vehicle being on a highway, obtain the destination position information, charging station information, and driving information of the vehicle.

[0072] In this step, judge the driving scenario of the vehicle according to the current position information of the vehicle; wherein, if the driving scenario of the vehicle is a highway, obtain the destination position information, charging station information, and driving information of the vehicle according to the navigation information, so as to judge whether the vehicle meets the first battery preheating condition through the navigation information of the vehicle.

[0073] Specifically, during the driving process of the vehicle, the controller can actively obtain the navigation information of the vehicle during the driving process of the vehicle. Among them, the navigation information can include the current position information of the vehicle, the destination position information of the vehicle, and charging station information; and for the navigation information, it can be obtained through the vehicle's navigation system, such as the GPS navigation system and the Beidou satellite positioning system, etc., to realize the positioning of the current position of the vehicle and obtain the current position information of the vehicle; according to the current position information of the vehicle, the current driving scenario of the vehicle can be judged to determine whether the vehicle is on a highway. If it is determined that the vehicle is on a highway according to the current position information of the vehicle, at this time, the destination position information and charging station information of the vehicle in the navigation information can be obtained through the navigation system, so as to determine whether the navigation information meets the first battery preheating condition.

[0074] It should be noted that for the destination location information of the vehicle, the navigation system can obtain it according to the user's driving habits, or the user can input it into the navigation system in advance by means of voice commands or text commands, etc.; for the charging station information, it can be obtained by combining the map in the navigation system and Internet recommendations, etc. Among them, the charging station information can include information such as the location of the charging station, whether there is a fast charging pile, and the number of charging piles; in addition, the charging station information can be the charging station in the service area beside the highway, or the charging station independently set near the highway.

[0075] In some embodiments, please refer to Figure 3 , in response to the vehicle being on the highway, obtain the destination location information and charging station information of the vehicle, including:

[0076] Step S121: Determine the first preset driving distance of the vehicle according to the current location information of the vehicle and the destination location information of the vehicle;

[0077] In this step, the navigation information of the vehicle includes the current location information of the vehicle and the destination location information of the vehicle. Therefore, according to the current location information of the vehicle and the destination location information of the vehicle, the distance between the current vehicle and the destination can be determined, and this distance is used as the first preset driving distance. Based on the first preset driving distance and the first distance threshold, it can be judged whether the navigation information meets the first battery preheating condition.

[0078] Step S122: In response to the first preset driving distance being greater than or equal to the first distance threshold, judge whether the vehicle is on the approach lane of the highway, where the exit of the approach lane is connected to the charging station;

[0079] In this step, according to the current location information of the vehicle and the destination location information of the vehicle, the first preset driving distance of the vehicle can be confirmed and judged; among them, if the first preset driving distance of the vehicle is greater than or equal to the first distance threshold, then according to the current location information of the vehicle, it is judged whether the vehicle is on the approach lane of the highway.

[0080] Step S123: In response to the vehicle being on the approach lane of the highway, determine the second preset driving distance of the vehicle according to the current location information of the vehicle and the charging station information;

[0081] In this step, if the driving scenario of the vehicle is on the highway and the current location of the vehicle is on the approach lane of the highway, according to the current location information of the vehicle and the charging station information, the distance between the vehicle and the charging station can be determined, and this distance is used as the second preset driving distance. Then, according to the second preset driving distance and the judgment result of the second distance threshold, it can be confirmed whether the navigation information meets the first battery preheating condition.

[0082] Step S124: In response to the second preset driving distance being less than the second distance threshold, the vehicle's navigation information meets the first battery preheating condition.

[0083] In this step, if the second preset driving distance of the vehicle is less than the second distance threshold, the vehicle is driving on the approach lane of the highway and is about to enter the charging station to charge. At this time, the vehicle's navigation information meets the first battery preheating condition of the vehicle.

[0084] Specifically, when it is determined that the vehicle is driving on the highway, to ensure the accuracy of vehicle positioning and determine whether the vehicle's navigation information meets the first battery preheating condition, the distance of the vehicle from the destination, that is, the first preset driving distance, is confirmed according to the vehicle's current position information and the vehicle's destination position information. If the first preset driving distance of the vehicle is less than the first distance threshold, it means that the vehicle is about to reach the destination and it is not suitable for this method to preheat the battery; if the first preset driving distance is greater than the first distance threshold, it is determined whether the vehicle is located on the approach lane of the highway according to the vehicle's current position information. If the vehicle is not on the approach lane, it means that the user has no intention of charging the vehicle and it is not suitable to preheat the battery. If the vehicle's current position information shows that the vehicle is on the approach lane, it means that the user controls the vehicle to enter the charging station.

[0085] When the vehicle is on the approach lane of the highway, the distance between the vehicle and the charging station, that is, the second preset driving distance, is determined according to the vehicle's current position information and the position information of the charging station; if the second preset driving distance is greater than the second distance threshold, it means that the vehicle is far from the charging station and does not meet the first battery preheating condition. At this time, the battery is not preheated to reduce energy loss; if the second preset driving distance is less than the second distance threshold, it means that the vehicle is about to enter the charging station. At this time, the vehicle's navigation information meets the first battery preheating requirement. If the vehicle's driving information meets the second battery preheating condition at this time, the battery can be preheated through the battery thermal management system so that the battery approaches or reaches the corresponding fast charging temperature in advance to meet the fast charging temperature for charging the vehicle through the fast charging pile.

[0086] It should be noted that the above first travel threshold and second travel threshold can select different thresholds according to factors such as the terrain and topography where the highway is located, temperature and air pressure, flatness of the road surface, and weather and climate. For example, if there is a continuous uphill on the terrain and topography where the highway is located, the energy consumption of the battery-driven vehicle is relatively large at this time. Therefore, a smaller threshold can be selected as the first preset travel distance, such as any value in the range of 500m - 2000m. Therefore, the first preset travel distance can be set to 500m. Another example is that if the vehicle is on the approach lane of the highway and the road surface of the approach lane is uneven, the vehicle will take a longer time to travel on the approach lane. Therefore, a smaller threshold can be selected as the second preset travel distance, such as any value in the range of 400m - 500m.

[0087] In some embodiments, referring to Figure 4 , the driving information of the vehicle includes the vehicle speed information of the vehicle.

[0088] Judging whether the driving information meets the second battery preheating condition includes:

[0089] Step S210: Judge whether the vehicle speed information of the vehicle meets the second battery preheating condition;

[0090] In this step, for the vehicle, its driving information can include the vehicle speed information, and the time when the vehicle enters the charging station can be judged according to the vehicle speed information. And within the specified second preset travel distance, the greater the vehicle speed, the shorter the time it takes for the vehicle to enter the charging station. And since the battery thermal management system takes a certain amount of time to preheat the battery, therefore, it can be judged whether the vehicle meets the second battery preheating condition through the vehicle speed information of the vehicle.

[0091] Step S220: In response to the vehicle speed information being less than the first speed threshold, the vehicle speed information meets the second battery preheating condition.

[0092] In this step, if the vehicle speed information of the vehicle is less than the first speed threshold, the vehicle will take some time to reach the charging station. At this time, the vehicle speed information in the driving information meets the second battery preheating condition.

[0093] Specifically, for a moving vehicle, the driving information of the vehicle can be obtained through each sub - controller of the vehicle. For example, the sub - controller can be a vehicle speed sensor or a vehicle speed reader. The controller can obtain the vehicle speed information of the vehicle by means of the vehicle speed sensor or by reading the vehicle dashboard, and determine whether the vehicle meets the second battery pre - heating condition according to the vehicle speed information. Among them, if the vehicle speed information of the vehicle is greater than the first speed threshold, this method is not applicable to pre - heat the battery in advance. If the vehicle speed information of the vehicle is less than the first speed threshold, it means that the vehicle speed information meets the second charging pre - heating condition. If at this time the vehicle navigation information meets the first battery pre - heating condition and other driving information meets the second battery pre - heating condition, the battery can be pre - heated in advance through the battery thermal management system, so that the battery can approach or reach the corresponding fast - charging temperature in advance before fast - charging, meeting the fast - charging temperature for charging the vehicle through a fast - charging pile.

[0094] It should be noted that for the above - mentioned first speed threshold, different thresholds can be selected according to factors such as the terrain of the approach lane, the road surface condition, the speed limit situation, and the climate. For example, if the road surface of the vehicle in the approach lane is uneven or there is water accumulation, the vehicle speed should not be too high at this time, and it can be set to any value in the range of 50m / s - 70km / s.

[0095] In some embodiments, please refer to Figure 5 , the driving information of the vehicle includes the battery power information of the vehicle.

[0096] Judging whether the driving information meets the second battery pre - heating condition includes:

[0097] Step S230: Judge whether the battery power information of the vehicle meets the second battery pre - heating condition;

[0098] In this step, the vehicle speed information also includes the battery power information, which is used to reflect the battery power situation of the vehicle. Moreover, the lower the battery power of the vehicle, the shorter the driving distance of the vehicle, and the greater the demand for the charging pile by the vehicle. Therefore, it can be judged whether the vehicle meets the second battery pre - heating condition according to the battery power information of the vehicle.

[0099] Step S240: In response to the battery power information of the vehicle being less than the first power threshold, judge whether there is a fast - charging pile in the charging station according to the navigation information;

[0100] In this step, if the battery power information of the vehicle is less than the first power threshold, it means that the current battery power of the vehicle is low, and the user's demand for the charging pile is large. Moreover, for a fast - charging pile, when fast - charging the vehicle, the battery needs to have a corresponding fast - charging temperature. Therefore, the user needs to judge whether there is a fast - charging pile in the charging station to determine whether the battery power information of the vehicle meets the second battery pre - heating condition.

[0101] Step S250: In response to the presence of a fast charger in the charging station, the battery power information of the vehicle meets the second battery preheating condition.

[0102] In this step, if there is a fast charger in the charging station, it indicates that the fast charging requirement of the vehicle can be met in this charging station, that is, the vehicle can be fast charged through the fast charger. At this time, it can be determined that the battery power information of the vehicle meets the second battery preheating condition.

[0103] Specifically, for the driving information of the vehicle, the driving information includes the battery power information of the vehicle. Before the user enters the charging station, the user determines whether the vehicle meets the second battery preheating condition according to the battery power information of the vehicle. Among them, if the battery power information of the vehicle is greater than the first power threshold, it means that the battery of the vehicle is fully charged, and the user can choose not to charge the vehicle, that is, this method is not applicable. If the battery power information of the vehicle is less than the first power threshold, it is possible to further determine whether there is a fast charger in the charging station through the charging station information, and confirm whether the vehicle can be fast charged through the fast charger to determine whether the battery power information of the vehicle meets the second battery preheating condition. If there is no fast charger in the charging station, this method is not applicable to preheat the battery of the vehicle. If there is a fast charger in the charging station, the user can use the fast charger to charge the battery of the vehicle. Therefore, it can be determined that the battery power information of the vehicle meets the second battery preheating condition. And when other driving information meets the second battery preheating condition and the navigation information meets the first battery preheating condition, it is necessary to control the battery thermal management system to preheat the battery in advance to improve the charging speed of the vehicle.

[0104] It should be noted that the above first power threshold can be selected with different thresholds according to factors such as the type, capacity specification, model and consumption of the battery. For example, when the energy consumption of the vehicle involved is large and the power consumption speed of the battery is also fast, the first power threshold of the battery should not be too low at this time, such as it can be set to any percentage between 40% - 60% of the rated battery power.

[0105] In some embodiments, please refer to Figure 6 , in response to the navigation information meeting the first battery preheating condition and the driving information meeting the second battery preheating condition, including:

[0106] Step S310: Obtain the current temperature information of the components around the battery in the vehicle, and determine whether the current temperature information of the components meets the second battery preheating condition;

[0107] In this step, to make the temperature of the battery as close to or reach the fast charging temperature as possible, it is necessary to confirm whether the battery has reached or is close to the fast charging temperature. Since the battery has strong heat resistance, to avoid damage to surrounding components due to excessive temperature, obtain the current temperature information of the components around the battery, and the vehicle can be judged whether it meets the second battery preheating condition according to the current temperature of the surrounding components.

[0108] Step S320: In response to the current temperature information of the component being less than or equal to the first temperature threshold, control the vehicle to operate the battery preheating circuit at low power, and / or turn off the fan, and / or close the intake grille;

[0109] In this step, since the battery and the surrounding components are in the same space, the current temperature of the battery is close to the current temperature of the components; among them, if the current temperature information of the component is less than the first temperature threshold, it means that the battery of the vehicle has not reached the fast charging temperature. Therefore, it is necessary to preheat the battery by controlling the battery thermal management system; for example: preheat the battery by the battery preheating circuit in the battery thermal management system to increase the overall temperature of the battery; and / or turn off the fan and intake grille for heat dissipation to reduce the heat loss of the battery.

[0110] Step S330: In response to the current temperature information of the component being greater than the first temperature threshold, there is no need to preheat the battery.

[0111] In this step, if the current temperature information of the components around the battery is greater than the first temperature threshold, it means that the temperature of the battery has reached the fast charging temperature of the battery, that is, it can meet the temperature during fast charging of the vehicle. At this time, there is no need to heat the battery anymore.

[0112] Specifically, when the vehicle's battery is undergoing fast charging, it is necessary to make the temperature of the battery reach the corresponding fast charging temperature in order to cooperate with the fast charging pile to implement fast charging for the vehicle. At the same time, the heat resistance and heat capacity of the battery and the surrounding components are also different. For example, the components arranged around the battery can be an electronic controller, a power converter, a high-voltage box, etc., and the battery and the surrounding components are in the same space, so their respective temperatures are also relatively close. Therefore, the current temperature of the battery can be judged whether it meets the second battery preheating condition by collecting the current temperature information of the surrounding components, so as to avoid damage to the surrounding components caused by excessive temperature rise; among them, if the current temperature information of the component is greater than the first temperature threshold, the current temperature of the battery has reached the fast charging temperature of the battery, that is, before fast charging, the temperature of the battery has reached the fast charging temperature of the battery, and there is no need to heat the battery anymore; if the current temperature information of the component is less than the first temperature threshold, the current temperature of the battery has not reached the fast charging temperature of the battery. Therefore, before arriving at the charging station, it is necessary to preheat the battery in advance.

[0113] In addition, to increase the battery temperature of the vehicle and make its temperature close to or reach the fast-charging temperature, for example, the battery can be preheated in advance through the battery preheating circuit in the battery thermal management system, so that the heat pump in the battery preheating circuit heats the battery through pipelines to increase the overall temperature of the battery; for another example, the fan in the battery thermal management system can be controlled to turn off to reduce the heat dissipation in the space where the battery is located, playing a certain heat preservation role; for yet another example, the intake grille in the battery thermal management system can be controlled to close, which can also reduce the heat dissipation in the space where the battery is located.

[0114] It should be noted that the above first temperature threshold can be selected as different thresholds according to factors such as the battery cell material, capacity specification, and charging material of the battery; for example: if the battery used in the vehicle is a lithium iron phosphate battery, the charging pile can only perform fast charging on it when the vehicle is at the corresponding fast-charging temperature; for example, the first temperature threshold can be set to any value between 20°C and 40°C.

[0115] In some embodiments, please refer to Figure 7 , in response to the navigation information meeting the first battery preheating condition and the driving information meeting the second battery preheating condition, the vehicle is controlled to preheat the battery, and then it includes:

[0116] Step S400: In response to receiving a fast-charging signal, obtain the current temperature information of the battery;

[0117] In this step, before the vehicle performs fast charging, the temperature of the battery needs to be close to or reach the fast-charging temperature to perform fast charging; therefore, to ensure the charging speed of the vehicle, when the navigation information meets the first battery preheating condition and the driving information meets the second battery preheating condition, it can be determined whether to charge the vehicle using a fast-charging pile; among them, if the controller receives a fast-charging signal, it can be determined that charging is performed through a fast-charging pile. Therefore, the current temperature information of the battery is obtained to determine whether the current temperature information of the vehicle's battery meets the fast-charging temperature.

[0118] Step S500: In response to the current temperature information of the battery being less than the first temperature threshold, control the motor cooling circuit and the battery preheating circuit of the vehicle to preheat the battery.

[0119] In this step, after obtaining the current temperature of the battery, it is determined whether the temperature at this time reaches the first temperature threshold; among them, if the current temperature of the battery is less than the first temperature threshold, the temperature of the vehicle's battery has not reached the fast-charging temperature and does not meet the fast-charging requirement of the vehicle. At this time, the battery can be continuously preheated through the preheating circuit in the thermal management system, and the heat released by the motor cooling circuit can also be used to preheat the battery.

[0120] Specifically, for a vehicle, the battery fast charging temperature needs to be close to or reach the corresponding temperature to enable fast charging. When the navigation information meets the first battery preheating condition and the driving information meets the second battery preheating condition, when the vehicle is charging, it is determined whether the vehicle receives a fast charging signal to determine whether to use a fast charging pile for fast charging. Among them, if the fast charging signal is not received, it is determined that the vehicle is not performing fast charging at this time. If the fast charging signal is received, the vehicle is fast charged by the fast charging pile, and the current temperature information of the battery is obtained, and it is determined whether it meets the fast charging temperature according to the current temperature information of the battery. Among them, if the current temperature of the battery is greater than or equal to the first temperature threshold, the battery temperature of the vehicle has been preheated to the fast charging temperature in advance and can be applied to the fast charging pile to fast charge the vehicle. If the current temperature of the battery is less than the first temperature threshold, the battery temperature of the vehicle has not reached the fast charging temperature and cannot meet the fast charging requirement of the vehicle. At this time, the battery can be continuously preheated through the preheating circuit in the thermal management system, and the heat released by the motor cooling circuit can also be used to preheat the battery. It should be noted that the motor cooling circuit is a device used to cool the drive system of the vehicle. By using the motor cooling circuit in this application, the heat of the vehicle can be recycled, effectively reducing the power consumption of the vehicle.

[0121] Please refer to Figure 8 , to Figure 8 The flowchart shown below elaborates on one of the embodiments in this application as follows:

[0122] When the user drives the vehicle, the navigation information of the vehicle is obtained through the vehicle controller. According to the current position information of the vehicle in the navigation information, it is determined whether the vehicle is on the highway. If the vehicle is on the highway, the destination information and charging station information of the vehicle are obtained. The first preset driving distance of the vehicle is confirmed according to the current position information and destination information of the vehicle, and it is determined whether the first preset driving distance of the vehicle is greater than 1000m. If the first preset driving distance is greater than 500m, it is further confirmed whether the vehicle is on the inbound lane of the highway entering the charging station. If the vehicle is on the inbound lane, it means that it is about to drive into the charging station. The second preset driving distance of the vehicle is confirmed according to the current position information and charging station information of the vehicle, and it is determined whether the second preset driving distance of the vehicle is less than 500m. If the second preset driving distance is less than 500m, the navigation information of the vehicle meets the first battery preheating condition at this time;

[0123] When the navigation information of the vehicle meets the first battery preheating condition, it is further determined whether the driving information of the vehicle meets the second battery preheating condition. Among them, according to the vehicle speed information in the driving information, it is judged whether the vehicle speed is less than 70 km / s. If the vehicle speed information of the vehicle is less than 70 km / s, then according to the battery power information of the vehicle in the driving information, it is judged whether the battery power of the vehicle is less than 40% of the battery capacity at this time; if the battery power of the vehicle is greater than or equal to 40% of the battery capacity, the electric energy of the vehicle is relatively sufficient, and it is very likely that the user will not charge the vehicle. If the battery power of the vehicle is less than 40% of the battery capacity, the user needs to charge the vehicle. Therefore, according to the charging station information, it is judged whether there is a fast charging pile inside the charging station. If there is a fast charging pile, the driving information of the vehicle meets the second battery preheating condition; at this time, according to the temperature information of the components around the vehicle battery, it is judged whether it is necessary to preheat the battery in advance; if the obtained temperature information of the components around the battery is less than 30°C, the battery is preheated in advance through the battery preheating circuit in the battery thermal management system to increase the overall temperature of the battery, and at the same time, the fan and the intake grille in the battery thermal management system are controlled to close to reduce the heat dissipation in the space where the battery is located;

[0124] When the vehicle enters the charging station for charging, if the controller of the vehicle receives a fast charging signal, it is determined that the user charges the vehicle through the fast charging pile. At this time, the current temperature information of the battery is obtained, and it is judged whether the current temperature information of the vehicle battery meets the fast charging temperature. If the current temperature of the battery is less than 30°C, the battery temperature of the vehicle has not reached the fast charging temperature, that is, it does not meet the fast charging requirement of the vehicle. At this time, the battery can be continuously preheated through the preheating circuit in the thermal management system, and at the same time, the waste heat of the motor cooling circuit is used to preheat the battery to accelerate the preheating speed of the battery.

[0125] It should be noted that some embodiments of the present application are described above. Other embodiments are within the scope of the appended claims. In some cases, the actions or steps recited in the claims may be performed in a different order than in the above embodiments and still achieve the desired result. Additionally, the processes depicted in the figures do not necessarily require the particular order or sequential order shown to achieve the desired result. In certain implementations, multitasking and parallel processing are also possible or may be advantageous.

[0126] Based on the same inventive concept, corresponding to the method of any of the above embodiments, the present application also provides a battery preheating control device.

[0127] Refer to Figure 9 , the battery preheating control device includes:

[0128] An acquisition module 10, configured to acquire navigation information and driving information of the vehicle;

[0129] A judgment module 20, configured to judge whether the navigation information meets the first battery preheating condition and whether the driving information meets the second battery preheating condition;

[0130] A control module 30, configured to control the vehicle to preheat the battery in response to the navigation information meeting the first battery preheating condition and the driving information meeting the second battery preheating condition.

[0131] It should be noted that the battery preheating control device in the present application can regulate the temperature of the battery, so that before the vehicle performs fast charging, the battery preheating control device can be used to preheat the battery in advance, so that the battery can reach the corresponding fast charging temperature, shorten the heating time of the battery when the vehicle performs fast charging, and thus improve the charging speed of the vehicle; specifically, during the driving process of the vehicle, the navigation information and driving information of the vehicle are obtained through the obtaining module 10 in the vehicle, and the obtained navigation information and driving information are sent to the judgment module 20. The judgment module 20 judges the navigation information and driving information of the vehicle, judges whether the navigation information meets the first battery preheating condition and whether the driving information meets the second battery preheating condition, and feeds back the judgment result to the control module 30. If the judgment result is that the navigation information meets the first battery preheating condition and the driving information meets the second battery preheating condition, at this time, the control module 30 controls the battery thermal management system of the vehicle according to the judgment result to preheat the battery through the battery thermal management system.

[0132] For the convenience of description, when describing the above device, various modules are described separately according to their functions. Of course, when implementing the present application, the functions of each module can be implemented in the same or multiple software and / or hardware.

[0133] The device in the above embodiment is used to implement the corresponding battery preheating control method in any of the foregoing embodiments, and has the beneficial effects of the corresponding method embodiments, which will not be elaborated here.

[0134] Based on the same inventive concept, corresponding to the method in any of the above embodiments, the present application further provides an electronic device, including a memory, a processor, and a computer program stored on the memory and executable on the processor. When the processor executes the program, it implements the battery preheating control method in any of the above embodiments.

[0135] Figure 10 FIG. shows a more specific schematic diagram of the hardware structure of the electronic device provided in this embodiment. The device may include: a processor 1010, a memory 1020, an input / output interface 1030, a communication interface 1040, and a bus 1050. Among them, the processor 1010, the memory 1020, the input / output interface 1030, and the communication interface 1040 are communicatively connected to each other inside the device through the bus 1050.

[0136] The processor 1010 can be implemented in the form of a general - purpose CPU (Central Processing Unit), a micro - processor, an Application Specific Integrated Circuit (ASIC), or one or more integrated circuits, etc., and is used to execute relevant programs to implement the technical solutions provided in the embodiments of this specification.

[0137] The memory 1020 can be implemented in the form of a ROM (Read Only Memory), a RAM (Random Access Memory), a static storage device, a dynamic storage device, etc. The memory 1020 can store an operating system and other application programs. When implementing the technical solutions provided in the embodiments of this specification through software or firmware, the relevant program codes are stored in the memory 1020 and are called and executed by the processor 1010.

[0138] The input / output interface 1030 is used to connect to the input / output module to achieve information input and output. The input / output module can be configured as a component in the device (not shown in the figure) or can be externally connected to the device to provide corresponding functions. Among them, the input device can include a keyboard, a mouse, a touch screen, a microphone, various sensors, etc., and the output device can include a display, a speaker, a vibrator, an indicator light, etc.

[0139] The communication interface 1040 is used to connect to a communication module (not shown in the figure) to achieve communication interaction between this device and other devices. Among them, the communication module can achieve communication through a wired method (such as USB, network cable, etc.) or can achieve communication through a wireless method (such as a mobile network, WIFI, Bluetooth, etc.).

[0140] The bus 1050 includes a path for transmitting information between various components of the device (such as the processor 1010, the memory 1020, the input / output interface 1030, and the communication interface 1040).

[0141] It should be noted that although the above - mentioned device only shows the processor 1010, the memory 1020, the input / output interface 1030, the communication interface 1040, and the bus 1050, in the specific implementation process, this device may also include other components necessary for normal operation. In addition, those skilled in the art can understand that the above - mentioned device may also only include the components necessary to implement the solutions of the embodiments of this specification and does not necessarily include all the components shown in the figure.

[0142] The electronic device in the above embodiments is used to implement the corresponding battery preheating control method in any of the foregoing embodiments, and has the beneficial effects of the corresponding method embodiments, which will not be elaborated here.

[0143] Based on the same inventive concept, corresponding to the method in any of the above embodiments, the present application also provides a non-transitory computer-readable storage medium. The non-transitory computer-readable storage medium stores computer instructions, and the computer instructions are used to cause a computer to execute the battery preheating control method in any of the foregoing embodiments.

[0144] The computer-readable medium in this embodiment includes permanent and non-permanent, removable and non-removable media, and information storage can be implemented by any method or technology. The information can be computer-readable instructions, data structures, program modules, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technologies, compact disc read-only memory (CD-ROM), digital versatile disc (DVD) or other optical storage, magnetic cassette tapes, magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information accessible by a computing device.

[0145] The computer instructions stored in the storage medium in the above embodiments are used to cause a computer to execute the battery preheating control method in any of the foregoing embodiments, and have the beneficial effects of the corresponding method embodiments, which will not be elaborated here.

[0146] Based on the same inventive creation, the present application also provides a vehicle, which includes the battery preheating control device in any of the foregoing embodiments, and / or includes the electronic device in the foregoing embodiments, and / or includes the storage medium in the foregoing embodiments. Specifically, since the vehicle has the battery preheating control device, electronic device, and non-transitory computer-readable medium described in any of the above embodiments, therefore, the vehicle has all the advantages and beneficial effects of the battery preheating control device, electronic device, and non-transitory computer-readable medium in the above embodiments, and thus will not be elaborated here.

[0147] Those of ordinary skill in the art should understand that: The discussion of any of the above embodiments is only exemplary and is not intended to imply that the scope of the present application (including the claims) is limited to these examples; Under the concept of the present application, the technical features in the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations in different aspects of the embodiments of the present application as described above, and they are not provided in detail for the sake of brevity.

[0148] In addition, for simplicity of explanation and discussion, and so as not to make the embodiments of the present application difficult to understand, well-known power / ground connections to integrated circuit (IC) chips and other components may or may not be shown in the provided drawings. Further, the devices may be shown in block diagram form in order to avoid making the embodiments of the present application difficult to understand, and this also takes into account the fact that details regarding the implementation of these block diagram devices are highly dependent on the platform on which the embodiments of the present application are to be implemented (i.e., these details should be entirely within the understanding of those skilled in the art). In cases where specific details (e.g., circuits) are set forth to describe exemplary embodiments of the present application, it will be apparent to those skilled in the art that the embodiments of the present application may be practiced without these specific details or with variations of these specific details. Accordingly, these descriptions are to be regarded as illustrative rather than restrictive.

[0149] Although the present application has been described in connection with specific embodiments thereof, many alternatives, modifications, and variations of these embodiments will be apparent to those of ordinary skill in the art in light of the foregoing description. For example, other memory architectures (e.g., dynamic RAM (DRAM)) may be used with the embodiments discussed.

[0150] Embodiments of the present application are intended to cover all such alternatives, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principle of the embodiments of the present application shall be included within the protection scope of the present application.

Claims

1. A battery preheating control method, characterized in that, Including: Obtain the navigation information and driving information of the vehicle; wherein, the navigation information of the vehicle includes the current position information of the vehicle, the destination position information of the vehicle and the charging station information, and the obtaining of the navigation information and driving information of the vehicle specifically includes: obtaining the current position information of the vehicle; judging whether the vehicle is on a highway according to the current position information of the vehicle; in response to the vehicle being on the highway, obtaining the destination position information, the charging station information and the driving information of the vehicle; and the in response to the vehicle being on the highway, obtaining the destination position information and the charging station information of the vehicle specifically includes: determining a first preset driving distance of the vehicle according to the current position information of the vehicle and the destination position information of the vehicle; in response to the first preset driving distance being greater than or equal to a first distance threshold, judging whether the vehicle is on the inbound lane of the highway; in response to the vehicle being on the inbound lane of the highway, determining a second preset driving distance of the vehicle according to the current position information of the vehicle and the charging station information; in response to the second preset driving distance being less than a second distance threshold, the navigation information of the vehicle meets the first battery preheating condition; Judge whether the navigation information meets the first battery preheating condition and whether the driving information meets the second battery preheating condition; In response to the navigation information meeting the first battery preheating condition and the driving information meeting the second battery preheating condition, control the vehicle to preheat the battery.

2. The battery preheating control method according to claim 1, wherein The driving information of the vehicle includes the vehicle speed information, The judging whether the driving information meets the second battery preheating condition includes: Judging whether the vehicle speed information of the vehicle meets the second battery preheating condition; In response to the vehicle speed information of the vehicle being less than a first speed threshold, the vehicle speed information of the vehicle meets the second battery preheating condition.

3. The battery preheating control method according to claim 1 or 2, characterized in that, The driving information of the vehicle includes the battery power information of the vehicle, The judging whether the driving information meets the second battery preheating condition includes: Judging whether the battery power information of the vehicle meets the second battery preheating condition; In response to the battery power information of the vehicle being less than a first power threshold, judging whether there is a fast charging pile in the charging station according to the navigation information; In response to there being a fast charging pile in the charging station, the battery power information of the vehicle meets the second battery preheating condition.

4. The battery preheating control method according to claim 1, wherein The in response to the navigation information meeting the first battery preheating condition and the driving information meeting the second battery preheating condition includes: Obtain the current temperature information of the components around the battery in the vehicle, and judge whether the current temperature information of the components meets the second battery preheating condition; In response to the current temperature information of the components being less than or equal to a first temperature threshold, control the vehicle to operate the battery preheating circuit at low power, and / or turn off the fan, and / or close the intake grille; In response to the current temperature information of the components being greater than the first temperature threshold, there is no need to preheat the battery.

5. The battery preheating control method according to claim 4, characterized in that If the navigation information meets the first battery preheating condition and the driving information meets the second battery preheating condition, then control the vehicle to preheat the battery. After that, it includes: In response to receiving a fast charging signal, obtain the current temperature information of the battery; If the current temperature information of the battery is less than the first temperature threshold, then control the motor cooling circuit and the battery preheating circuit of the vehicle to preheat the battery.

6. A battery preheating control device, characterized in that, It includes: An acquisition module, configured to acquire the navigation information and driving information of the vehicle; wherein, the navigation information of the vehicle includes the current position information of the vehicle, the destination position information of the vehicle, and charging station information, and the acquisition of the navigation information and driving information of the vehicle specifically includes: acquiring the current position information of the vehicle; judging whether the vehicle is on a highway according to the current position information of the vehicle; in response to the vehicle being on a highway, acquiring the destination position information, charging station information, and the driving information of the vehicle; and the acquisition of the destination position information and charging station information of the vehicle in response to the vehicle being on a highway specifically includes: determining a first preset driving distance of the vehicle according to the current position information and the destination position information of the vehicle; in response to the first preset driving distance being greater than or equal to a first distance threshold, judging whether the vehicle is on the approach lane of the highway; in response to the vehicle being on the approach lane of the highway, determining a second preset driving distance of the vehicle according to the current position information and the charging station information of the vehicle; in response to the second preset driving distance being less than a second distance threshold, then the navigation information of the vehicle meets the first battery preheating condition; A judgment module, configured to judge whether the navigation information meets the first battery preheating condition and whether the driving information meets the second battery preheating condition; A control module, configured to control the vehicle to preheat the battery in response to the navigation information meeting the first battery preheating condition and the driving information meeting the second battery preheating condition.

7. An electronic device, comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, characterized in that, When the processor executes the program, it implements the method according to any one of claims 1 to 5.

8. A vehicle, including the battery preheating control device according to claim 6; or the electronic device according to claim 7.

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