Vehicle control method and apparatus, and vehicle and storage medium

Abstract

Provided in the present application are a vehicle control method and apparatus, and a vehicle and a storage medium. The method comprises: acquiring an environmental temperature and an in-vehicle temperature of a vehicle; heating the interior of the vehicle according to the environmental temperature and the in-vehicle temperature; and when the environmental temperature or the in-vehicle temperature is higher than a second preset temperature, performing waste heat recovery on a cockpit in the vehicle, so as to perform heat management on the vehicle.

Description

Vehicle control method, device, vehicle and storage medium

[0001] This application claims priority to the Chinese patent application filed with the China Patent Office on June 15, 2023, with application number 2023107176511 and application name “Vehicle Control Method, Device, Vehicle and Storage Medium”, the entire contents of which are incorporated by reference into this application. Technical Field

[0002] The present application relates to, but is not limited to, the field of thermal management technology, and in particular to a vehicle control method, device, vehicle, and storage medium. Background Art

[0003] Thermal management is the process of regulating and controlling the temperature or temperature difference of an object by heating or cooling according to the requirements of the object.

[0004] Summary of the Invention

[0005] The following is a summary of the subject matter described in detail herein. This summary is not intended to limit the scope of the claims.

[0006] Currently, when performing thermal management on a vehicle, the heat source of the heat pump system in existing thermal management methods generally comes from the low-temperature heat absorption of an external evaporator and the waste heat recovery of a battery heat exchanger.

[0007] However, existing thermal management methods have the problem of low heat utilization efficiency.

[0008] The present application provides a vehicle control method, device, vehicle and storage medium to solve the problem of low heat utilization efficiency in existing thermal management methods.

[0009] In a first aspect, the present application provides a vehicle control method, applied to a heat pump system, the method comprising:

[0010] Get the vehicle's ambient temperature and interior temperature;

[0011] Heating the interior of the vehicle according to the ambient temperature or the temperature inside the vehicle;

[0012] When the ambient temperature and the temperature inside the vehicle are higher than a second preset temperature, waste heat is recovered from the cockpit inside the vehicle to perform thermal management on the vehicle.

[0013] Optionally, heating the interior of the vehicle according to the ambient temperature and the temperature inside the vehicle includes:

[0014] When the ambient temperature is between the first preset temperature and the second preset temperature, or when the ambient temperature is between the second preset temperature and the third preset temperature, and the temperature inside the vehicle is higher than the second preset temperature,

[0015] Or when the ambient temperature is lower than the third preset temperature and the temperature inside the vehicle is higher than the second preset temperature,

[0016] The heater and the condenser are controlled to heat the interior of the vehicle, wherein the first preset temperature is higher than the second preset temperature, and the second preset temperature is higher than the third preset temperature.

[0017] Optionally, heating the interior of the vehicle according to the ambient temperature and the temperature inside the vehicle includes:

[0018] When the ambient temperature is lower than a third preset temperature and the temperature inside the vehicle is lower than a second preset temperature, heating the coolant in the air conditioning water circuit in the vehicle to preheat the vehicle, wherein the third preset temperature is lower than the second preset temperature;

[0019] Check the coolant temperature of the coolant;

[0020] When the coolant temperature is higher than a third preset temperature, the interior of the vehicle is heated.

[0021] Optionally, when the ambient temperature is lower than a third preset temperature and the temperature inside the vehicle is lower than a second preset temperature, heating the coolant in the air conditioning water circuit in the vehicle to preheat the vehicle includes:

[0022] When the ambient temperature is lower than the third preset temperature and the interior temperature of the vehicle is lower than the second preset temperature, the heater in the vehicle is controlled to turn on and the motor is locked to heat the coolant to preheat the interior of the vehicle.

[0023] Optionally, when the coolant temperature is higher than a third preset temperature, heating the interior of the vehicle includes:

[0024] When the coolant temperature is higher than a third preset temperature, the motor is controlled to exit the locked-rotor state;

[0025] After the motor exits stall, the condenser is turned on to heat the interior of the vehicle.

[0026] Optionally, heating the interior of the vehicle according to the ambient temperature and the temperature inside the vehicle includes:

[0027] When the ambient temperature is between a second preset temperature and a third preset temperature and the interior temperature of the vehicle is lower than the second preset temperature, the heater and the condenser are turned on to heat the interior of the vehicle, wherein the second preset temperature is higher than the third preset temperature.

[0028] Optionally, when the ambient temperature and the vehicle interior temperature are higher than a second preset temperature, waste heat is recovered from the cabin of the vehicle to perform thermal management on the vehicle, including:

[0029] When the ambient temperature and the temperature inside the vehicle are higher than a second preset temperature, closing the vehicle's external circulation;

[0030] After closing the external circulation, the evaporator is started to recover waste heat from the vehicle's cabin to manage the vehicle's heat.

[0031] Optionally, after closing the external circulation and starting the evaporator to recover waste heat from the cockpit of the vehicle, the method further includes:

[0032] Get the outlet temperature of the evaporator and the current ambient temperature of the vehicle;

[0033] Compare the outlet temperature with the current ambient temperature;

[0034] If the outlet temperature is greater than the current ambient temperature, the evaporator is controlled to transfer the excess heat from the cockpit to the interior of the vehicle to perform thermal management on the vehicle.

[0035] If the outlet temperature is lower than the current ambient temperature, the evaporator is controlled to discharge the excess heat in the cockpit to outside the vehicle.

[0036] In a second aspect, the present application provides a vehicle control device, comprising:

[0037] An acquisition module is used to obtain the vehicle's ambient temperature and interior temperature;

[0038] A heating module is used to heat the interior of the vehicle according to the ambient temperature and the temperature inside the vehicle;

[0039] The waste heat recovery module is used to recover waste heat from the cockpit of the vehicle when the ambient temperature or the temperature inside the vehicle is higher than a second preset temperature, so as to perform thermal management on the vehicle.

[0040] In a third aspect, the present application provides a vehicle, comprising: a processor, and a memory communicatively connected to the processor;

[0041] Memory stores computer-executable instructions;

[0042] The processor executes the computer-executable instructions stored in the memory to implement the method of the present application.

[0043] In a fourth aspect, the present application provides a computer-readable storage medium, in which computer-executable instructions are stored. When the computer-executable instructions are executed by a processor, they are used to implement the method of the present application.

[0044] The vehicle control method, device, vehicle and storage medium provided in the present application obtain the ambient temperature and interior temperature of the vehicle; heat the interior of the vehicle according to the ambient temperature and the interior temperature; and recover waste heat from the cockpit of the vehicle when the ambient temperature or the interior temperature is higher than a second preset temperature. This is a means of thermal management of the vehicle. It can determine whether to heat the vehicle according to the ambient temperature and the interior temperature, and recover waste heat from the cockpit of the vehicle when the ambient temperature and the interior temperature are higher than the second preset temperature. In this way, the waste heat from the cockpit can be effectively utilized to improve the heating efficiency during the thermal management process.

[0045] The following is a summary of the subject matter described in detail herein. This summary is not intended to limit the scope of the claims. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0047] FIG1 is a flow chart of a vehicle control method according to an embodiment of the present application;

[0048] FIG2 is a flow chart of another vehicle control method provided in an embodiment of the present application;

[0049] FIG3 is a schematic diagram of another scenario of a vehicle control method provided in an embodiment of the present application;

[0050] FIG4 is a schematic structural diagram of a vehicle control device provided in an embodiment of the present application;

[0051] FIG5 is a schematic structural diagram of a vehicle provided in an embodiment of the present application.

[0052] The above drawings illustrate specific embodiments of the present application, which will be described in more detail below. These drawings and the textual description are not intended to limit the scope of the present application in any way, but rather to illustrate the concepts of the present application to those skilled in the art by reference to specific embodiments. DETAILED DESCRIPTION

[0053] Exemplary embodiments will be described in detail herein, with examples illustrated in the accompanying drawings. In the following description, when referring to the drawings, identical numerals in different figures represent identical or similar elements, unless otherwise indicated. The embodiments described in the following exemplary embodiments are not intended to represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

[0054] The heat source of the thermal management heat pump in the vehicle generally comes from the low-temperature heat absorption of the external evaporator and the waste heat recovery of the battery heat exchanger. At present, when existing vehicles recover waste heat, they usually recover the waste heat of exhaust gas, engine cooling water, brake energy, etc. However, when recovering the waste heat of exhaust gas, engine cooling water, brake energy, etc., the ambient temperature and the temperature inside the vehicle are generally not taken into consideration. As a result, when the vehicle performs thermal management through waste heat recovery, the thermal management energy consumption is high and the energy consumption is large, which makes the heating efficiency in the thermal management process low.

[0055] In order to solve the above problems, the vehicle control method provided in the present application can determine whether to heat the vehicle based on the ambient temperature and the temperature inside the vehicle, and when the ambient temperature and the temperature inside the vehicle are higher than a second preset temperature, the vehicle's cabin waste heat is recovered. In this way, the cabin waste heat can be effectively utilized to achieve the effect of improving the heating efficiency in the thermal management process.

[0056] The execution entity of the vehicle control method provided in the embodiments of the present application may be a server. The server may be a mobile phone, tablet, computer, vehicle-mounted computer, or other device. This embodiment does not impose any particular restrictions on the implementation of the execution entity, as long as the execution entity can obtain the vehicle's ambient temperature and interior temperature; heat the vehicle interior based on the ambient temperature and interior temperature; and recover waste heat from the vehicle's cockpit when the ambient temperature or interior temperature exceeds a second preset temperature to provide thermal management for the vehicle.

[0057] Among them, thermal management refers to dynamic heat management inside the vehicle, which can manage the heat flow of the entire vehicle (including heating and cooling management of batteries, motors, electronic controls, and passenger compartments) in an energy-saving and efficient manner, effectively extending the cruising range of electric vehicles in winter and summer.

[0058] Vehicle waste heat recovery refers to the use of waste heat generated during vehicle operation, which is recovered and converted into energy through heat exchange technology to improve the vehicle's energy efficiency.

[0059] FIG1 is a flow chart of a vehicle control method provided in an embodiment of the present application. The execution subject of the method may be a server or other server, and this embodiment is not particularly limited here. As shown in FIG1 , the method may include:

[0060] S101: Obtain the vehicle's ambient temperature and interior temperature.

[0061] Among them, the ambient temperature may refer to the problem of the environment in which the vehicle is located.

[0062] The vehicle interior temperature may refer to the temperature inside the vehicle, wherein the vehicle interior may be a battery compartment inside the vehicle, an engine compartment inside the vehicle, or an interior cabin of the vehicle.

[0063] The method for obtaining the ambient temperature and the interior temperature of the vehicle may include detecting the vehicle by temperature sensors disposed outside and inside the vehicle. In an embodiment of the present application, the ambient temperature and the interior temperature of the vehicle may be determined based on the air conditioner in the vehicle.

[0064] S102: Heating the interior of the vehicle according to the ambient temperature and the temperature inside the vehicle.

[0065] Among them, heating the interior of the vehicle can refer to the air conditioning host, compressor, water-cooled condenser, thermal management module, chiller (refrigeration equipment, including condenser and evaporator), and HVCH (high-pressure liquid heater) included in the heat pump system.

[0066] In an embodiment of the present application, the method for heating the interior of a vehicle according to the ambient temperature and the temperature inside the vehicle includes:

[0067] When the ambient temperature is between the first preset temperature and the second preset temperature, or when the ambient temperature is between the second preset temperature and the third preset temperature and the temperature inside the vehicle is higher than the second preset temperature, or when the ambient temperature is lower than the third preset temperature and the temperature inside the vehicle is higher than the second preset temperature,

[0068] The heater and the condenser are controlled to heat the interior of the vehicle, wherein the first preset temperature is higher than the second preset temperature, and the second preset temperature is higher than the third preset temperature.

[0069] Among them, the first preset temperature is higher than the second preset temperature, and the second preset temperature is higher than the third preset temperature. It can be any pre-set temperature, or it can be set according to the characteristics of the vehicle during actual use. For example, the first preset temperature can be the temperature required by the people in the vehicle, for example, the first preset temperature can be 15°C; the second preset temperature can be the temperature for heating the interior of the vehicle according to the heat pump system in the vehicle, for example, the second preset temperature can be -10°C; the third preset temperature can be determined according to the characteristics of the coolant in the vehicle, for example, when the coolant is above -20°C and can be used normally, the third preset temperature can be -20°C.

[0070] A heater can refer to a high-pressure liquid heater, which is a heat exchanger used in car air conditioning systems. It provides warmth by passing high-pressure refrigerant into the heater, heating it and transferring the heat to the air inside the vehicle.

[0071] A condenser is a component used in a vehicle's air conditioning system that condenses water vapor in the air into liquid water, thereby reducing the humidity in the air. Condensers are typically used in conjunction with an evaporator to maintain a comfortable temperature and humidity inside the vehicle. In an embodiment of the present application, the method for controlling the condenser to heat the vehicle's interior may be to activate an electric compressor and a condenser fan, thereby causing the condenser to release heat into the vehicle.

[0072] In the embodiment of the present application, the method for heating the interior of the vehicle according to the ambient temperature and the temperature inside the vehicle may include:

[0073] When the ambient temperature is lower than a third preset temperature and the temperature inside the vehicle is lower than a second preset temperature, heating the coolant in the air-conditioning water circuit in the vehicle to preheat the vehicle, wherein the third preset temperature is lower than the second preset temperature;

[0074] Check the coolant temperature of the coolant;

[0075] When the coolant temperature is higher than a third preset temperature, the interior of the vehicle is heated.

[0076] The coolant temperature may refer to the temperature of the coolant, and the coolant temperature may be obtained by a sensor provided on the water path.

[0077] When the ambient temperature is lower than the third preset temperature, it indicates that the coolant cannot be used normally. Therefore, the coolant needs to be heated to increase the coolant temperature to facilitate the use of other equipment in the heat pump such as the air-conditioning host. At the same time, when the temperature of the coolant is increased, the coolant can also preheat the vehicle, thereby increasing the temperature inside the vehicle.

[0078] When the coolant temperature is higher than the third preset temperature, the interior of the vehicle may be heated by the heat pump device.

[0079] In the embodiment of the present application, the third preset temperature may be -20°C, and the second preset temperature may be -10°C. In the embodiment of the present application, when the ambient temperature is lower than the third preset temperature and the temperature inside the vehicle is lower than the second preset temperature, the coolant in the air conditioning water circuit in the vehicle is heated to preheat the vehicle, including:

[0080] When the ambient temperature is lower than the third preset temperature and the interior temperature of the vehicle is lower than the second preset temperature, the heater in the vehicle is controlled to turn on and the motor is locked to heat the coolant to preheat the interior of the vehicle.

[0081] Motor stalling may refer to a situation where, for some reason, the motor cannot rotate normally or its rotation is blocked during operation, causing the motor current to increase sharply, even exceeding the rated current, thereby causing the motor to overheat. In the embodiment of the present application, since the ambient temperature is lower than the third preset temperature, indicating that the current ambient temperature is too low, heating the coolant during motor stalling can effectively prevent motor overheating and other problems and quickly heat the coolant.

[0082] In this embodiment of the present application, when the coolant temperature is higher than the third preset temperature, heating the interior of the vehicle includes:

[0083] When the coolant temperature is higher than a third preset temperature, the motor is controlled to exit the locked-rotor state;

[0084] After the motor exits stall, the condenser is turned on to heat the interior of the vehicle.

[0085] When the coolant temperature is higher than the third preset temperature, the heating effect on the coolant is reduced, and thus the motor may overheat, so the motor is controlled to exit the stall state.

[0086] Turning on the condenser to heat the interior of the vehicle can be done by turning on the electric compressor, turning on the condenser fan, and opening the damper connecting the condenser to the interior of the vehicle. In this embodiment of the present application, heating the interior of the vehicle based on the ambient temperature and the temperature inside the vehicle includes:

[0087] When the ambient temperature is between a second preset temperature and a third preset temperature and the interior temperature of the vehicle is lower than the second preset temperature, the heater and the condenser are turned on to heat the interior of the vehicle, wherein the second preset temperature is higher than the third preset temperature.

[0088] The third preset temperature may be -20° C., and the second preset temperature may be -10° C. S103 : When the ambient temperature or the temperature inside the vehicle is higher than the second preset temperature, recover waste heat from the cabin of the vehicle to perform thermal management on the vehicle.

[0089] The second preset temperature may be a temperature suitable for use by various devices in the heat pump. In the embodiment of the present application, the second preset temperature may be -10°C. When the ambient temperature or the vehicle interior temperature is higher than the second preset temperature, waste heat is recovered from the vehicle's cabin to manage vehicle thermal management. This may involve turning on the evaporator fan, turning off the external circulation, and then turning on the evaporator to absorb heat from the cabin and recover the cabin's waste heat.

[0090] In the embodiment of the present application, when the ambient temperature or the temperature inside the vehicle is higher than the second preset temperature, recovering waste heat from the cockpit of the vehicle to perform thermal management on the vehicle may include:

[0091] When the ambient temperature and the temperature inside the vehicle are higher than a second preset temperature, closing the vehicle's external circulation;

[0092] After closing the external circulation, the evaporator is started to recover waste heat from the vehicle's cabin to manage the vehicle's heat.

[0093] Among them, external circulation can refer to the vehicle air-conditioning system, which introduces fresh air from outside the car into the car by controlling the switches of the air inlet and outlet, and at the same time discharges the air inside the car out of the car to keep the air inside the car fresh and comfortable.

[0094] The evaporator can be used to convert the refrigerant from liquid to gas, absorbing heat from the vehicle, thereby reducing the temperature inside the vehicle. At the same time, the evaporator can also be used for waste heat recovery, that is, the waste heat in the vehicle is transferred to the heat pump through the evaporator, allowing the heat pump to perform thermal management on the vehicle.

[0095] In the embodiment of the present application, after closing the external circulation and starting the evaporator to recover waste heat from the cockpit of the vehicle, the method further includes:

[0096] Get the outlet temperature of the evaporator and the current ambient temperature of the vehicle;

[0097] Compare the outlet temperature with the current ambient temperature;

[0098] If the outlet temperature is greater than the current ambient temperature, the evaporator is controlled to transfer the excess heat from the cockpit to the interior of the vehicle to perform thermal management on the vehicle.

[0099] If the outlet temperature is lower than the current ambient temperature, the evaporator is controlled to discharge the excess heat in the cockpit to outside the vehicle.

[0100] Among them, controlling the evaporator to transfer heat to the interior of the vehicle may refer to a process of recycling waste heat from the cockpit.

[0101] Controlling the evaporator to discharge heat outside the vehicle can refer to the process where the heat in the cockpit is high, causing the outlet temperature to be higher than the current ambient temperature, thereby recovering the cabin waste heat. After recovering the cabin waste heat, the vehicle can be thermally managed. Controlling the evaporator to discharge heat outside the vehicle can refer to the process where the heat in the cockpit is low and insufficient for recovery, so the evaporator is controlled to discharge heat outside the vehicle.

[0102] The vehicle control method provided in the embodiments of the present application can recover waste heat from the cab based on the ambient temperature and the vehicle's interior temperature, thereby fully utilizing the cab's waste heat and improving thermal management efficiency. Furthermore, by setting the first, second, and third preset temperatures and implementing corresponding preheating and heating methods, the heat pump's usability can be expanded, reducing heating power consumption in extremely cold weather.

[0103] FIG2 is a flow chart of another vehicle control method provided in an embodiment of the present application. The method may be executed by an onboard computer, and this embodiment is not particularly limited here. As shown in FIG2 , the method may include:

[0104] S201, air conditioning turns on AUTO N mode;

[0105] S202: The vehicle controller detects and obtains the ambient temperature and the temperature inside the vehicle;

[0106] S203: Determine a vehicle heating mode based on the ambient temperature and the vehicle interior temperature, wherein the heating modes include an ultra-low temperature heating mode, a cabin waste heat recovery heating mode 1, a low temperature heating mode, and a cabin waste heat recovery heating mode 2;

[0107] S204: When the ambient temperature is lower than minus 20 degrees Celsius and the temperature inside the vehicle is lower than minus 10 degrees Celsius, control the vehicle to be in ultra-low temperature heating mode.

[0108] Among them, controlling the vehicle to be in ultra-low temperature heating mode can be: HVCH turns on heating to heat the coolant in the water circuit, and the heat is heated by the chiller (battery cooler) to heat the refrigerant temperature in the air conditioner, and at the same time the motor is turned on to consume heat energy, thereby quickly increasing the temperature of the coolant; wherein, when the temperature of the coolant is higher than -20°C, the motor is turned on to exit the heating, the electric compressor is turned on, the condensing fan is turned on, and the damper 1 and damper 6 of the air duct are controlled to be closed, and the damper 2 is opened, so that the condenser releases heat to the interior of the vehicle to realize the heating function, thereby heating the interior of the vehicle.

[0109] S205: When the vehicle interior temperature detected by the vehicle controller rises to above -10 degrees Celsius, the vehicle switches from the ultra-low temperature heating mode to the cabin waste heat recovery heating mode 1.

[0110] Among them, controlling the vehicle to be in the cockpit waste heat recovery heating mode 1 can be: the evaporator fan is turned on, the vehicle controller controls the damper 5 to close the external circulation, the vehicle controller turns on the evaporator to absorb heat from the cockpit, and recovers the waste heat from the cockpit. At the same time, the vehicle controller reduces the power of HVCH according to a preset algorithm. Among them, when the evaporator outlet air temperature is greater than the ambient temperature, the vehicle controller controls the damper 3 and damper 4 of the air duct to close, and the damper 6 to open, thereby performing thermal management on the vehicle. When the evaporator outlet temperature is lower than the ambient temperature, the vehicle controller controls the damper 3 and damper 6 of the air duct to close, and the damper 4 to open, thereby discharging the recovered heat outside the vehicle.

[0111] S206. When the ambient temperature is between -20 degrees Celsius and -10 degrees Celsius, and the temperature inside the vehicle is lower than -10 degrees Celsius, control the vehicle to be in low-temperature heating mode.

[0112] Among them, controlling the vehicle to be in low-temperature heating mode can be: controlling the heater to work, and the heater power decreases as the temperature inside the vehicle increases, the electric compressor is turned on, the condensing fan is turned on, the damper 1 and the damper 6 are closed, the damper 2 is opened, and the condenser releases heat to realize the heating function, thereby making the temperature inside the vehicle continue to rise with the passage of time.

[0113] S207: When the vehicle interior temperature detected by the vehicle controller rises to above -10 degrees Celsius, the vehicle switches from ultra-low temperature heating mode to cabin waste heat recovery heating mode 1;

[0114] S208. When the ambient temperature is lower than minus 20 degrees Celsius and the temperature inside the vehicle is higher than minus 10 degrees Celsius, when the ambient temperature is between minus 20 degrees Celsius and minus 10 degrees Celsius and the temperature inside the vehicle is higher than minus 10 degrees Celsius, and when the ambient temperature is between minus 10 degrees Celsius and N degrees Celsius, control the vehicle to be in cockpit waste heat recovery heating mode 2.

[0115] Among them, controlling the vehicle to be in the second cockpit waste heat recovery heating mode can be: the electric compressor is turned on, the condensing fan is turned on, the damper 1 of the air duct is controlled to be closed, and the damper 2 is opened, so that the evaporator is connected to the cabin, the evaporating fan is turned on, and the algorithm controls the damper 5 to close the external circulation. The vehicle controller turns on the evaporator to absorb heat from the cockpit and recover the waste heat from the cockpit. When the evaporator outlet air temperature is greater than the ambient temperature, the vehicle controller controls the dampers 3 and 4 to be closed, and the damper 6 to be opened. When the evaporator outlet temperature is lower than the ambient temperature, the vehicle controller controls the dampers 3 and 6 to be closed, and the damper 4 to be opened, while reducing the power of the HVCH (heater).

[0116] Here, N°C may refer to a set normal temperature in the vehicle.

[0117] S209: When the ambient temperature is higher than or equal to N°C, AUTO is in a non-heating state.

[0118] FIG3 is a schematic diagram of another scenario of a vehicle control method provided by an embodiment of the present application. As shown in FIG3 , the scenario includes: an air duct, wherein two air ducts are provided on the air duct, wherein an evaporator is provided in the first air duct, and the air duct can open or close the external circulation through damper 5, the evaporator outlet can be connected to the outside world through damper 4, and the evaporator outlet can be connected to the cockpit through damper 3; a condenser is provided in the second air duct, and the evaporator outlet can be connected to the cockpit through damper 2, and the evaporator outlet can be connected to the outside world through damper 1. The two air ducts can be connected through damper 6.

[0119] Therefore, another vehicle control method provided by the embodiment of the present application can increase the use range of the heat pump during low-temperature heating, that is, it can be used in a -30°C environment, further reducing the power consumption for heating in winter, greatly improving the pure electric range of new energy vehicles in winter, and at the same time increasing the heat source, improving efficiency, and further improving the winter range. The heat can come from three aspects: the heat generated by the electric motor during stalling, the heating of the water channel by the high-voltage heater, and the recovery of waste heat from the passenger compartment.

[0120] FIG4 is a schematic diagram of the structure of a vehicle control device provided in an embodiment of the present application. As shown in FIG4 , the vehicle control device 40 includes: an acquisition module 401, a heating module 402, and a waste heat recovery module 403.

[0121] An acquisition module 401 is used to acquire the ambient temperature and the interior temperature of the vehicle;

[0122] A heating module 402 is used to heat the interior of the vehicle according to the ambient temperature and the temperature inside the vehicle;

[0123] The waste heat recovery module 403 is configured to recover waste heat from the cockpit of the vehicle when the ambient temperature or the temperature inside the vehicle is higher than a second preset temperature, so as to perform thermal management on the vehicle.

[0124] In the embodiment of the present application, the heating module 402 may also be specifically used for:

[0125] When the ambient temperature is between the first preset temperature and the second preset temperature, or when the ambient temperature is between the second preset temperature and the third preset temperature, and the temperature inside the vehicle is higher than the second preset temperature,

[0126] Or when the ambient temperature is lower than the third preset temperature and the temperature inside the vehicle is higher than the second preset temperature,

[0127] The heater and the condenser are controlled to heat the interior of the vehicle, wherein the first preset temperature is higher than the second preset temperature, and the second preset temperature is higher than the third preset temperature.

[0128] In the embodiment of the present application, the heating module 402 may also be specifically used for:

[0129] When the ambient temperature is lower than a third preset temperature and the temperature inside the vehicle is lower than a second preset temperature, heating the coolant in the air-conditioning water circuit in the vehicle to preheat the vehicle, wherein the third preset temperature is lower than the second preset temperature;

[0130] Check the coolant temperature of the coolant;

[0131] When the coolant temperature is higher than a third preset temperature, the interior of the vehicle is heated.

[0132] In the embodiment of the present application, the heating module 402 may also be specifically used for:

[0133] When the ambient temperature is lower than the third preset temperature and the interior temperature of the vehicle is lower than the second preset temperature, the heater in the vehicle is controlled to turn on and the motor is locked to heat the coolant to preheat the interior of the vehicle.

[0134] In the embodiment of the present application, the heating module 402 may also be specifically used for:

[0135] When the coolant temperature is higher than a third preset temperature, the motor is controlled to exit the locked-rotor state;

[0136] After the motor exits stall, the condenser is turned on to heat the interior of the vehicle.

[0137] In the embodiment of the present application, the heating module 402 may also be specifically used for:

[0138] When the ambient temperature is between a second preset temperature and a third preset temperature and the interior temperature of the vehicle is lower than the second preset temperature, the heater and the condenser are turned on to heat the interior of the vehicle, wherein the second preset temperature is higher than the third preset temperature.

[0139] In the embodiment of the present application, the waste heat recovery module 403 may also be specifically used for:

[0140] When the ambient temperature and the temperature inside the vehicle are higher than a second preset temperature, closing the vehicle's external circulation;

[0141] After closing the external circulation, the evaporator is started to recover waste heat from the vehicle's cabin to manage the vehicle's heat.

[0142] In the embodiment of the present application, the waste heat recovery module 403 may also be specifically used for:

[0143] Get the outlet temperature of the evaporator and the current ambient temperature of the vehicle;

[0144] Compare the outlet temperature with the current ambient temperature;

[0145] If the outlet temperature is greater than the current ambient temperature, the evaporator is controlled to transfer the excess heat from the cockpit to the interior of the vehicle to perform thermal management on the vehicle.

[0146] If the outlet temperature is lower than the current ambient temperature, the evaporator is controlled to discharge the excess heat in the cockpit to outside the vehicle.

[0147] As can be seen from the above, the vehicle control device of this embodiment comprises an acquisition module 401 for acquiring the vehicle's ambient temperature and interior temperature; a heating module 402 for heating the vehicle's interior based on the ambient and interior temperatures; and a waste heat recovery module 403 for recovering waste heat from the vehicle's cabin when the ambient or interior temperature exceeds a second preset temperature, thereby providing thermal management for the vehicle. This effectively utilizes the cabin's waste heat, improving heating efficiency during thermal management.

[0148] FIG5 is a schematic diagram of the structure of a vehicle provided in an embodiment of the present application. As shown in FIG5 , the vehicle 50 includes:

[0149] The vehicle 50 may include one or more processors 501 as processing cores, one or more computer-readable storage media memories 502 , a communication component 503 , and other components. The processor 501 , the memory 502 , and the communication component 503 are connected via a bus 504 .

[0150] During the specific implementation process, at least one processor 501 executes the computer-executable instructions stored in the memory 502, so that the at least one processor 501 executes the above vehicle control method.

[0151] The specific implementation process of the processor 501 can be found in the above method embodiment. Its implementation principle and technical effects are similar and will not be repeated here in this embodiment.

[0152] In the embodiment shown in FIG. 5 , it should be understood that processor 501 may be a central processing unit (CPU), other general-purpose processors, digital signal processors (DSP), or application-specific integrated circuits (ASICs). A general-purpose processor may be a microprocessor or any conventional processor. The steps of the method disclosed in the present invention may be directly executed by a hardware processor or by a combination of hardware and software modules within the processor.

[0153] The memory 502 may include a high-speed memory (Random Access Memory, RAM), and may also include a non-volatile memory (NVM), such as at least one disk memory.

[0154] Bus 504 may be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus, or an Extended Industry Standard Architecture (EISA) bus. Buses can be classified as address buses, data buses, control buses, and the like. For ease of illustration, the buses in the drawings of this application are not limited to a single bus or a single type of bus.

[0155] In some embodiments, a computer program product is further proposed, comprising a computer program or instructions, which implement the steps in any of the above-mentioned vehicle control methods when executed by a processor.

[0156] The specific implementation of the above operations can be found in the previous embodiments and will not be repeated here.

[0157] Those skilled in the art will appreciate that all or part of the steps in the various methods of the above embodiments may be accomplished by instructions, or by controlling related hardware through instructions. The instructions may be stored in a computer-readable storage medium and loaded and executed by a processor.

[0158] To this end, an embodiment of the present application provides a computer-readable storage medium, which stores multiple instructions that can be loaded by a processor to execute the steps in any vehicle control method provided in the embodiment of the present application.

[0159] The storage medium may include a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, etc.

[0160] According to one aspect of the present application, a computer program product or a computer program is provided. The computer program product or the computer program comprises computer instructions stored in a computer-readable storage medium.

[0161] Since the instructions stored in the storage medium can execute the steps in any vehicle control method provided in the embodiments of the present application, the beneficial effects that can be achieved by any vehicle control method provided in the embodiments of the present application can be achieved. Please refer to the previous embodiments for details and will not be repeated here.

[0162] Those skilled in the art will readily appreciate other embodiments of the present application after considering the specification and practicing the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the present application that follow the general principles of the present application and include common knowledge or customary techniques in the art not disclosed herein. The description and examples are to be considered as exemplary only, and the true scope and spirit of the present application are indicated by the following claims.

[0163] It should be understood that the present application is not limited to the exact structure described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present application is limited only by the appended claims.

Claims

1. A vehicle control method, applied to a heat pump system, the method comprising: Get the vehicle's ambient temperature and interior temperature; heating the interior of the vehicle according to the ambient temperature and the vehicle interior temperature; When the ambient temperature or the vehicle interior temperature is higher than a second preset temperature, waste heat is recovered from the cockpit of the vehicle to perform thermal management on the vehicle.

2. The method according to claim 1, wherein: The step of heating the interior of the vehicle according to the ambient temperature and the temperature inside the vehicle comprises: When the ambient temperature is between the first preset temperature and the second preset temperature, or when the ambient temperature is between the second preset temperature and the third preset temperature, and the temperature inside the vehicle is higher than the second preset temperature, or when the ambient temperature is lower than the third preset temperature and the vehicle interior temperature is higher than the second preset temperature, The heater and the condenser are controlled to heat the interior of the vehicle, wherein the first preset temperature is higher than the second preset temperature, and the second preset temperature is higher than the third preset temperature.

3. The method according to claim 1, wherein: The step of heating the interior of the vehicle according to the ambient temperature and the temperature inside the vehicle comprises: When the ambient temperature is lower than a third preset temperature and the temperature inside the vehicle is lower than the second preset temperature, heating the coolant in the air conditioning water circuit in the vehicle to preheat the vehicle, wherein the third preset temperature is lower than the second preset temperature; detecting a coolant temperature of the coolant; When the coolant temperature is higher than the third preset temperature, the interior of the vehicle is heated.

4. The method according to claim 3, wherein: When the ambient temperature is lower than a third preset temperature and the temperature inside the vehicle is lower than the second preset temperature, heating the coolant in the air conditioning water circuit in the vehicle to preheat the vehicle, including: When the ambient temperature is lower than a third preset temperature and the interior temperature of the vehicle is lower than the second preset temperature, the heater in the vehicle is controlled to turn on and the motor is blocked to heat the coolant, so as to preheat the interior of the vehicle.

5. The method according to claim 3, wherein: When the coolant temperature is higher than the third preset temperature, heating the interior of the vehicle comprises: When the coolant temperature is higher than the third preset temperature, controlling the motor to exit the stall state; After the motor exits the stall state, the condenser is turned on to heat the interior of the vehicle.

6. The method according to claim 1, wherein: The step of heating the interior of the vehicle according to the ambient temperature and the temperature inside the vehicle comprises: When the ambient temperature is between a second preset temperature and a third preset temperature and the interior temperature of the vehicle is lower than the second preset temperature, the heater and the condenser are turned on to heat the interior of the vehicle, wherein the second preset temperature is higher than the third preset temperature.

7. The method according to claim 1, wherein: When the ambient temperature or the temperature inside the vehicle is higher than a second preset temperature, waste heat is recovered from the cockpit of the vehicle to perform thermal management on the vehicle, including: When the ambient temperature and the temperature inside the vehicle are higher than a second preset temperature, closing the external circulation of the vehicle; After the external circulation is closed, the evaporator is started to recover waste heat from the cockpit of the vehicle so as to perform thermal management on the vehicle.

8. The method according to claim 7, further comprising: After closing the external circulation and starting the evaporator to recover waste heat from the cockpit of the vehicle, obtaining the outlet temperature of the evaporator and the current ambient temperature of the vehicle; comparing the outlet temperature with the current ambient temperature; If the outlet temperature is greater than the current ambient temperature, controlling the evaporator to transfer the residual heat of the cockpit to the interior of the vehicle to perform thermal management on the vehicle; If the outlet temperature is lower than the current ambient temperature, the evaporator is controlled to discharge the residual heat of the cockpit to the outside of the vehicle.

9. A vehicle control device, comprising: An acquisition module is used to acquire the ambient temperature and the temperature inside the vehicle; A heating module, used for heating the interior of the vehicle according to the ambient temperature and the temperature inside the vehicle; The waste heat recovery module is used to recover waste heat from the cockpit of the vehicle when the ambient temperature or the temperature inside the vehicle is higher than a second preset temperature, so as to perform thermal management on the vehicle.

10. A vehicle comprising: A processor, and a memory communicatively connected to the processor; The memory stores computer-executable instructions; The processor executes the computer-executable instructions stored in the memory to implement the method according to any one of claims 1 to 8.

11. A computer-readable storage medium, wherein the computer-readable storage medium stores computer-executable instructions, wherein the computer-executable instructions are used to implement the method according to any one of claims 1 to 8 when executed by a processor.

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