Control method and device for heating mode of vehicle air conditioner, storage medium and electronic device

Abstract

The invention discloses a control method and device for a heating mode of a vehicle air conditioner, a storage medium and an electronic device, and relates to the technical field of vehicles, the control method for the heating mode of the vehicle air conditioner comprises the steps that when a heating demand exists, a double-heat-source heating mode is started, and the real-time air outlet temperature is obtained; under the condition that the real-time air outlet temperature reaches the target air outlet temperature, the real-time vehicle speed is obtained; when the real-time vehicle speed is smaller than or equal to the set vehicle speed threshold value, a battery of the vehicle meets the heating requirement, and the estimated heating power meets the heating condition, the double-heat-source heating mode is controlled to be a single-air-heat-source mode, and heating is conducted through the single-air-heat-source mode; and when the real-time vehicle speed is larger than the vehicle speed threshold value, the real-time water temperature of the vehicle meets the water temperature condition, and the estimated heating power meets the heating condition, the double-heat-source heating mode is controlled to be the single-water-heat-source mode for heating. The problem that under the conditions that the vehicle speed changes, the air outlet temperature fluctuates and the like, a heat pump system still keeps a double-heat-source heating mode for heating, and consequently energy is wasted is solved.

Description

Technical Field

[0001] This application relates to the field of vehicle technology, and more specifically, to a method and apparatus for controlling the heating mode of a vehicle air conditioner, a storage medium, and an electronic device. Background Technology

[0002] With increasing awareness of energy conservation, emission reduction, and environmental protection, electric vehicles (EVs), as a representative of green transportation, are seeing a gradual increase in market share and user acceptance. However, EVs still face some challenges in practical use, especially the issue of driving range, which is more pronounced in low-temperature environments. When the ambient temperature drops, the demand for heating in the passenger compartment is greater, and due to the low-temperature discharge degradation characteristics of batteries, the driving range of EVs is significantly affected.

[0003] In traditional technologies, electric vehicles often employ heat pump systems for heating to improve overall vehicle energy efficiency. To maximize the utilization of the vehicle's heat sources, heat pump systems typically use a dual-heat-source heating mode to heat both the battery and the passenger compartment, meeting their heating needs. However, this dual-heat-source heating mode can reduce the vehicle's energy efficiency in certain situations, especially when vehicle speed changes or airflow temperature fluctuates. In these cases, the heat pump system may still operate in dual-heat-source mode, leading to energy waste.

[0004] Therefore, how to dynamically switch between dual heat source heating modes to reduce energy waste and thus improve the driving range of electric vehicles has become an urgent problem to be solved. Summary of the Invention

[0005] This application provides a method and apparatus for controlling the heating mode of a vehicle air conditioner, a storage medium, an electronic device, and a computer program product, to at least solve the problem in the related art where the heat pump system still maintains the dual heat source heating mode under conditions such as changes in vehicle speed and fluctuations in outlet air temperature, resulting in energy waste.

[0006] According to one aspect of the embodiments of this application, a method for controlling the heating mode of a vehicle air conditioner is provided, comprising: when there is a heating demand in the vehicle, activating a dual-heat-source heating mode of the vehicle air conditioner and acquiring the real-time air outlet temperature of the air conditioner when the dual-heat-source heating mode is running; when the real-time air outlet temperature reaches a target air outlet temperature, acquiring the real-time vehicle speed; when the real-time vehicle speed is less than or equal to a set vehicle speed threshold, the vehicle battery meets the heating demand, and the estimated heating power in the single-air heat source mode meets the heating conditions, controlling the dual-heat-source heating mode to switch to the single-air heat source mode for heating; when the real-time vehicle speed is greater than the vehicle speed threshold, the vehicle's real-time water temperature meets the water temperature condition, and the estimated heating power in the single-water heat source mode meets the heating conditions, controlling the dual-heat-source heating mode to switch to the single-water heat source mode for heating.

[0007] In an exemplary embodiment, the required heating power is determined by: acquiring the air inlet temperature, air volume, and specific heat capacity of the vehicle's air conditioning system; determining the difference between the real-time outlet temperature and the target outlet temperature; and multiplying the difference by the air inlet temperature, the air volume, and the specific heat capacity of the air to determine the required heating power.

[0008] In an exemplary embodiment, the step of determining whether the estimated heating power in the single-water heat source mode meets the heating conditions includes: if the estimated heating power in the single-water heat source mode is greater than the required heating power, determining that the estimated heating power in the single-water heat source mode meets the heating conditions.

[0009] In an exemplary embodiment, the step of determining the estimated heating power in the single-water heat source mode includes: acquiring the vehicle's motor heat output, heat pump system heating efficiency, and heat pump system energy efficiency; determining a first heating parameter and a second heating parameter, and multiplying the quotient of the first heating parameter and the second heating parameter by the heat pump system heating efficiency to determine the estimated heating power in the single-water heat source mode, wherein the first heating parameter is determined based on the product of the vehicle's motor heat output and the heat pump system heating efficiency, and the second heating parameter is determined based on the difference between the heat pump system energy efficiency and the heat pump system heating efficiency, and the vehicle's motor heat output.

[0010] In an exemplary embodiment, after obtaining the real-time vehicle speed, the method further includes: closing the vehicle's active air intake grille when the real-time vehicle speed is greater than the vehicle speed threshold, the real-time water temperature of the vehicle meets the water temperature condition, and the estimated heating power in the single water heat source mode meets the heating condition.

[0011] In an exemplary embodiment, the step of determining whether the vehicle's battery meets the heating requirements includes: acquiring the cell temperature of the battery, and determining that the battery meets the heating requirements if the cell temperature does not reach a set temperature threshold; or, acquiring historical operating data of the battery; the historical operating data of the battery includes at least the state of charge, charge and discharge data, and internal resistance of the battery at multiple historical moments; predicting temperature parameters of the battery within a preset time period based on the historical operating data; wherein the temperature parameters include predicted cell temperatures at multiple preset moments; determining a target cell temperature based on the multiple predicted cell temperatures, and determining that the vehicle's battery meets the heating requirements if the target cell temperature is within a set temperature range.

[0012] According to another aspect of the embodiments of this application, a control device for the heating mode of a vehicle air conditioner is also provided, comprising: an acquisition module, configured to activate the dual-heat-source heating mode of the vehicle air conditioner when there is a heating demand in the vehicle, and acquire the real-time air outlet temperature of the air outlet of the vehicle air conditioner when the dual-heat-source heating mode is running; the acquisition module is further configured to acquire the real-time vehicle speed when the real-time air outlet temperature reaches a target air outlet temperature; a switching module, configured to control the dual-heat-source heating mode to switch to the single-air-heat-source mode for heating when the real-time vehicle speed is less than or equal to a set vehicle speed threshold, the vehicle battery meets the heating demand, and the estimated heating power in the single-air-heat-source mode meets the heating conditions; the switching module is further configured to control the dual-heat-source heating mode to switch to the single-water-heat-source mode for heating when the real-time vehicle speed is greater than the vehicle speed threshold, the real-time water temperature of the vehicle meets the water temperature condition, and the estimated heating power in the single-water-heat-source mode meets the heating conditions.

[0013] According to another aspect of the embodiments of this application, a computer-readable storage medium is also provided, wherein a computer program is stored in the computer-readable storage medium, and the computer program is configured to execute the control method for the heating mode of the vehicle air conditioner when running.

[0014] According to another aspect of the embodiments of this application, an electronic device is also provided, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the above-described method for controlling the heating mode of a vehicle air conditioner through the computer program.

[0015] According to another aspect of the embodiments of this application, a computer program product is also provided, including a computer program that, when executed by a processor, implements the steps of the methods described in various embodiments of this application.

[0016] In this embodiment, when the vehicle requires heating, the dual-heat-source heating mode of the vehicle's air conditioning is activated, and the real-time air outlet temperature of the air conditioning vents in the dual-heat-source heating mode is acquired. When the real-time air outlet temperature reaches the target air outlet temperature, the vehicle's real-time speed is acquired. If the real-time speed is less than or equal to a set speed threshold, the vehicle's battery meets the heating requirements, and the estimated heating power in the single-air heat source mode meets the heating conditions, the dual-heat-source heating mode is switched to the single-air heat source mode for heating. Similarly, if the real-time speed is greater than the speed threshold, the vehicle's real-time water temperature meets the water temperature requirements, and the estimated heating power in the single-water heat source mode meets the heating conditions, the dual-heat-source heating mode is switched to the single-water heat source mode for heating. In the initial heating phase, the dual-heat-source heating mode ensures that the set comfortable temperature can be reached quickly. Once the vehicle's air conditioning reaches the target air temperature, the system intelligently selects either a single air heat source mode or a single water heat source mode by comparing the vehicle's real-time speed with a preset speed threshold. This strategy effectively avoids maintaining an unnecessary dual heat source operating state, further reducing energy consumption during the heating process and improving the driving range. Attached Figure Description

[0017] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the hardware environment for a control method of an optional heating mode of a vehicle air conditioner according to an embodiment of this application.

[0020] Figure 2This is a flowchart of a control method for an optional heating mode of a vehicle air conditioner according to an embodiment of this application;

[0021] Figure 3 This is a flowchart of a control method for another optional heating mode of a vehicle air conditioner according to an embodiment of this application;

[0022] Figure 4 This is a schematic diagram of a battery charge reduction curve according to an embodiment of this application;

[0023] Figure 5 This is a structural block diagram of a control device for an optional heating mode of a vehicle air conditioner according to an embodiment of this application. Detailed Implementation

[0024] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0025] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data used in this way can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0026] The methods and embodiments provided in this application can be executed in an in-vehicle terminal or a similar computing device. Taking running on an in-vehicle terminal as an example, Figure 1 This is a hardware structure block diagram of the vehicle terminal for the vehicle air conditioning heating mode control method according to an embodiment of this application. (See diagram for example.) Figure 1 As shown, the vehicle-mounted terminal may include one or more ( Figure 1Only one is shown in the diagram. A processor 102 (which may include, but is not limited to, a microprocessor unit (MPU) or a programmable logic device (PLD)) and a memory 104 for storing data are also shown. In one exemplary embodiment, the vehicle-mounted terminal may further include a transmission device 106 for communication functions and an input / output device 108. Those skilled in the art will understand that… Figure 1 The structure shown is for illustrative purposes only and does not limit the structure of the aforementioned vehicle-mounted terminal. For example, the vehicle-mounted terminal may also include components that are more... Figure 1 The more or fewer components shown, or having the same Figure 1 Equivalent functions or ratios shown Figure 1 The functions shown have more different configurations.

[0027] The memory 104 can be used to store computer programs, such as application software programs and modules, like the computer program corresponding to the vehicle air conditioning heating mode control method in this embodiment. The processor 102 executes various functional applications and data processing by running the computer program stored in the memory 104, thereby implementing the above-described method. The memory 104 may include high-speed random access memory and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some instances, the memory 104 may further include memory remotely located relative to the processor 102, and these remote memories can be connected to the vehicle terminal via a network. Examples of such networks include, but are not limited to, the Internet, corporate intranets, local area networks, mobile communication networks, and combinations thereof.

[0028] The transmission device 106 is used to receive or send data via a network. Specific examples of the network described above may include a wireless network provided by the communication provider of the vehicle terminal. In one example, the transmission device 106 includes a Network Interface Controller (NIC), which can connect to other network devices via a base station to communicate with the Internet. In another example, the transmission device 106 may be a Radio Frequency (RF) module used for wireless communication with the Internet.

[0029] To address the aforementioned problems, this embodiment provides a method for controlling the heating mode of a vehicle's air conditioning system, applicable to vehicles. (Refer to...) Figure 2 The diagram shows a flowchart of a method for controlling the heating mode of a vehicle's air conditioning system. The flowchart includes the following steps S202-S208:

[0030] Step S202: When the vehicle has a heating requirement, start the dual heat source heating mode of the vehicle air conditioner and obtain the real-time air outlet temperature of the vehicle air conditioner when the dual heat source heating mode is running.

[0031] The system monitors data from in-vehicle temperature sensors and passenger settings to determine if heating is needed inside the vehicle. For example, if the temperature in the passenger compartment is detected to be lower than the preset comfort temperature, the thermal management system immediately identifies the heating requirement. Once the heating requirement is confirmed, the thermal management control system automatically activates a dual-heat source heating mode. This mode combines an air-source heat pump and waste heat from the motor (i.e., water source) to provide heat to the passenger compartment.

[0032] It should be noted that the air source heat pump absorbs heat from the ambient air, while the waste heat from the motor utilizes the heat naturally generated by the drive motor during operation. By efficiently utilizing these two heat sources, the system can significantly reduce the additional electrical energy consumption required for heating while maintaining passenger comfort.

[0033] During dual-heat source heating mode operation, the vehicle's thermal management system continuously monitors the real-time air outlet temperature of the air conditioning system. This temperature data is collected in real-time by temperature sensors installed on the air conditioning ducts and transmitted to the vehicle's central control unit. Obtaining the real-time air outlet temperature is crucial for determining whether the current heating mode meets the passengers' temperature requirements and is also the basis for subsequent heating mode switching strategies.

[0034] Step S204: When the real-time air outlet temperature reaches the target air outlet temperature, obtain the real-time vehicle speed.

[0035] The central control unit receives the real-time outlet air temperature and compares it with the preset target outlet air temperature. If the real-time outlet air temperature has reached or exceeded the target outlet air temperature, it indicates that the current dual-heat source heating mode is sufficient to meet the passengers' heating needs, and the system proceeds to the next step: determining whether to switch to single-heat source mode. This process ensures that the system can make timely and reasonable heat source mode switching based on real-time changes in the vehicle's interior environment, thereby optimizing energy efficiency and improving passenger comfort.

[0036] In some embodiments, determining the target air outlet temperature is a crucial technical aspect of the electric vehicle thermal management system, directly impacting passenger comfort and the energy efficiency of the heat pump system. The target air outlet temperature is related to several factors, including: Passengers setting their preferred interior temperature via the vehicle's central control screen or dedicated control panel; this setting reflects their basic comfort requirements. Ambient temperature sensors on the vehicle continuously monitor the external ambient temperature; this data is used to adjust the target air outlet temperature to adapt to changes in external temperature. In addition to temperature, information such as humidity and solar radiation intensity can also be collected, as these also affect in-vehicle thermal comfort and thus adjust the target air outlet temperature. The thermal management system obtains battery SOC (State of Charge) information; if the SOC is low, a slightly lower target air outlet temperature may need to be set to reduce the energy consumption of the air conditioning system and ensure the vehicle has sufficient charge for driving. Based on the current driving mode (e.g., Eco mode, Performance mode), the system adjusts the target air outlet temperature to adapt to energy management and passenger needs in different modes. By comprehensively considering the above factors, the thermal management system can intelligently and dynamically determine the target air outlet temperature, ensuring that while meeting passenger comfort, it can optimize energy utilization to the greatest extent and improve the range and energy efficiency of electric vehicles in low-temperature environments.

[0037] Step S206: When the real-time vehicle speed is less than or equal to the set vehicle speed threshold, the vehicle's battery meets the heating requirements, and the estimated heating power in the single-air heat source mode meets the heating conditions, the dual-heat source heating mode is switched to the single-air heat source mode to provide heating.

[0038] Understandably, the vehicle's speed sensor continuously monitors the real-time speed to ensure a constant understanding of the vehicle's driving status. Based on the obtained real-time speed, the central control unit can compare the real-time speed with a preset speed threshold. The speed threshold, determined through prior experiments and simulation analysis, reflects the speed at which the dual-heat source heating mode switching process can be executed. The speed threshold can be set to 80 km / h.

[0039] In determining whether to switch from dual-heat source mode to single-air-source heating mode, the thermal management system acquires the battery cell temperature, which is monitored by temperature sensors in the battery management system (BMS). The system compares the cell temperature with a preset cell temperature threshold. If the cell temperature is below this threshold, it indicates that the vehicle's battery meets the heating requirements; that is, the battery needs passive heating to raise its cell temperature. In this case, switching the heat source mode can be considered. By switching the heat source mode, the waste heat saved from the motor can be redirected to the power battery to heat it, thereby improving the battery's discharge performance and energy recovery efficiency at low temperatures. If the cell temperature has reached or exceeded the heating start-up temperature threshold, the system determines that the battery does not meet the heating requirements, and the dual-heat source heating mode can be maintained. The cell temperature threshold can be set to 10°C, 12°C, 15°C, etc.

[0040] In an exemplary embodiment, determining that the vehicle's battery meets the heating requirements includes: acquiring the cell temperature of the battery, and determining that the battery meets the heating requirements if the cell temperature does not reach a set temperature threshold; or, acquiring historical operating data of the battery; the historical operating data of the battery includes at least the state of charge, charge / discharge data, and internal resistance of the battery at multiple historical moments; predicting temperature parameters of the battery within a preset time period based on the historical operating data; wherein the temperature parameters include predicted cell temperatures at multiple preset moments; determining a target cell temperature based on the multiple predicted cell temperatures, and determining that the vehicle's battery meets the heating requirements if the target cell temperature is within a set temperature range.

[0041] It's important to note that besides determining whether heating requirements are met based on cell temperature, historical battery operating data can also be used to predict the battery's future thermal state, i.e., temperature parameters. These temperature parameters include predicted cell temperatures at multiple preset times, characterizing the trend of cell temperature changes. Based on these predicted cell temperatures, the highest temperature among the multiple preset times can be determined as the target cell temperature, or the average temperature among the multiple preset times can be determined as the target cell temperature. Then, based on the target cell temperature, it can be determined whether the battery will enter the temperature range requiring heating, allowing for a more intelligent and proactive thermal management decision.

[0042] In an exemplary embodiment, the step of determining whether the estimated heating power in the single-air heat source mode meets the heating conditions includes: if the estimated heating power in the single-air heat source mode is greater than the required heating power, determining that the estimated heating power in the single-air heat source mode meets the heating conditions, wherein the estimated heating power in the single-air heat source mode is determined based on the ambient temperature.

[0043] Specifically, if the estimated heating power in the single-air heat source mode is greater than the required heating power, it indicates that the maximum heating power provided by the pure air source heat pump can meet the heating demand, and thus the dual-heat source heating mode can be switched to the single-air heat source mode. When determining the estimated heating power in single-air heat source mode, the real-time external ambient temperature can be obtained. The external ambient temperature is an important factor affecting the heating efficiency of air source heat pumps. The obtained external ambient temperature is then substituted into the pre-constructed calculation expression for the estimated heating power in single-air heat source mode, as follows: W≈260*T ambient temperature[°C]+4600[W], where W represents the estimated heating power in single-air heat source mode, 260W and 4600W are empirical values ​​from bench tests. The lower the external ambient temperature, the less heating power the single-air heat source provides. Therefore, 260 can be understood as the heating power provided by the single-air heat source decreases by 260W for every degree the external ambient temperature drops, and 4600 can be understood as the heating power provided by the single-air heat source when the external ambient temperature is 0°C.

[0044] In an exemplary embodiment, the required heating power is determined by: acquiring the air inlet temperature, air volume, and specific heat capacity of the vehicle's air conditioning system; determining the difference between the real-time outlet temperature and the target outlet temperature; and multiplying the difference by the air inlet temperature, the air volume, and the specific heat capacity of the air to determine the required heating power.

[0045] Specifically, the formula for calculating the required heating power is: Required heating power = (T 目标出风温度 -T 空调进风温度 Q is the air conditioning air volume, and C is the air specific heat capacity. The air conditioning inlet temperature is measured by a sensor in the air conditioning unit; the air conditioning air volume is determined by the air conditioning blower setting; and the air specific heat capacity is approximately 1 kJ / (kg*k).

[0046] In some implementations, when the real-time vehicle speed is less than or equal to a set speed threshold, the vehicle's battery meets heating requirements, and the estimated heating power in single-air heat source mode meets heating conditions, the thermal management system can send a switching command to the air conditioning heat pump controller to switch the heating mode from dual-heat source mode to single-air heat source mode. This command includes a control signal to stop utilizing the motor's waste heat and settings to adjust the heat pump's operating parameters to optimize air heat source utilization.

[0047] In the above embodiments, the thermal management system can intelligently determine when to switch from a dual-heat-source heating mode to a single-air-heat-source mode to fully utilize the air heat source for heating. Furthermore, the waste heat from the motor can be used for passive heating of the battery, increasing battery temperature and improving battery performance. This significantly improves the energy efficiency and driving range of electric vehicles in low-temperature environments without compromising passenger comfort. The implementation of this control strategy demonstrates the innovation and application of intelligent and energy-efficient management in the thermal management system of electric vehicles.

[0048] Step S208: When the real-time vehicle speed is greater than the vehicle speed threshold, the real-time water temperature of the vehicle meets the water temperature condition, and the estimated heating power in the single water heat source mode meets the heating condition, control the dual heat source heating mode to switch to the single water heat source mode so as to perform heating through the single water heat source mode.

[0049] Specifically, the real-time vehicle speed is compared with a preset speed threshold. This threshold is based on prior research into the relationship between vehicle drag and energy consumption. When the vehicle speed exceeds this threshold, disabling the AGS (Active Grille Shutter) significantly reduces drag and energy consumption, which is crucial for improving the vehicle's range at high speeds. The thermal management system monitors the real-time water temperature of the cooling system using a water temperature sensor. This data reflects the temperature status of the water source in the thermal management system. The system assesses whether the real-time water temperature meets the requirements for switching to single-water heat source mode. Water temperature conditions typically involve whether the water temperature is higher than the preset minimum effective water temperature and whether the water temperature ensures efficient operation of the heat pump in single-water heat source mode, providing sufficient heating capacity. If the water temperature is higher than the preset minimum effective water temperature, the water temperature conditions are deemed met. In single-water heat source mode, the heat pump system primarily utilizes hot water from the cooling system as a heat source, converting it into heat suitable for the passenger compartment through a reverse refrigeration cycle.

[0050] Once the thermal management system confirms that the real-time vehicle speed is greater than the speed threshold, the real-time water temperature meets the requirements, and the estimated heating power in single-water heat source mode can meet the heating demand, it will enter the heat source mode switching procedure. The thermal management system sends a command to the air conditioning heat pump controller, instructing the controller to switch its control mode from dual-heat source heating mode to single-water heat source mode.

[0051] In the above embodiments, the thermal management system can intelligently determine when to switch from a dual-heat-source heating mode to a single-water-heat-source mode to adapt to high-speed vehicle operation. By shutting down the AGS to reduce wind resistance and utilizing hot water in the cooling system as a heat source, it optimizes energy utilization and improves the range and energy management efficiency of electric vehicles during low-temperature, high-speed driving. This control strategy demonstrates the innovative application of the thermal management system in energy efficiency management and intelligent control.

[0052] In an exemplary embodiment, the step of determining whether the estimated heating power in the single-water heat source mode meets the heating conditions includes: if the estimated heating power in the single-water heat source mode is greater than the required heating power, determining that the estimated heating power in the single-water heat source mode meets the heating conditions.

[0053] Specifically, if the estimated heating power in the single-water heat source mode is greater than the required heating power, it indicates that the maximum heating power provided by the single-water heat source (i.e., the waste heat of the motor) can meet the heating demand, and thus the dual-heat source heating mode can be switched to the single-water heat source mode.

[0054] In an exemplary embodiment, the step of determining the estimated heating power in the single-water heat source mode includes: acquiring the vehicle's motor heat output, heat pump system heating efficiency, and heat pump system energy efficiency; determining a first heating parameter and a second heating parameter, and multiplying the quotient of the first heating parameter and the second heating parameter by the heat pump system heating efficiency to determine the estimated heating power in the single-water heat source mode, wherein the first heating parameter is determined based on the product of the vehicle's motor heat output and the heat pump system heating efficiency, and the second heating parameter is determined based on the difference between the heat pump system energy efficiency and the heat pump system heating efficiency, and the vehicle's motor heat output.

[0055] It should be noted that the formula for calculating the estimated heating power under the single water heat source mode is as follows: K = W 机 *η / (COP-η)+W 机 )*η, where K represents the estimated heating power in single-water heat source mode. Wmachine*η represents the first heating parameter, Wmachine 机 The heat output of the motor can be obtained experimentally under different vehicle speeds and operating conditions; η refers to the heating efficiency of the heat pump system, which can be determined experimentally or estimated at 90%; COP represents the energy efficiency of the heat pump system, which can be determined through system bench experiments; (COP-η)+W 机 This indicates the second heating parameter.

[0056] In an exemplary embodiment, after obtaining the real-time vehicle speed, the method further includes: closing the vehicle's active air intake grille when the real-time vehicle speed is greater than the vehicle speed threshold, the real-time water temperature of the vehicle meets the water temperature condition, and the estimated heating power in the single water heat source mode meets the heating condition.

[0057] Specifically, after obtaining the vehicle's real-time speed, if the real-time speed is greater than the speed threshold, the vehicle's real-time water temperature meets the water temperature requirements, and the estimated heating power in the single water heat source mode meets the heating requirements, it indicates that turning off the AGS (Active Grille Shutter) can bring significant wind resistance benefits. It is advisable to try turning off the AGS to reduce wind resistance, thereby reducing energy consumption and increasing the driving range.

[0058] Through steps S202-S208 above, when the vehicle has a heating demand, the dual-heat-source heating mode of the vehicle's air conditioning is activated, and the real-time air outlet temperature of the air conditioning vents in the dual-heat-source heating mode is obtained. When the real-time air outlet temperature reaches the target air outlet temperature, the vehicle's real-time speed is obtained. If the real-time speed is less than or equal to a set speed threshold, the vehicle's battery meets the heating requirements, and the estimated heating power in the single-air heat source mode meets the heating conditions, the dual-heat-source heating mode is switched to the single-air heat source mode for heating. If the real-time speed is greater than the speed threshold, the vehicle's real-time water temperature meets the water temperature requirements, and the estimated heating power in the single-water heat source mode meets the heating conditions, the dual-heat-source heating mode is switched to the single-water heat source mode for heating. In the initial heating phase, the dual-heat-source heating mode ensures that the set comfortable temperature can be reached quickly. Once the vehicle's air conditioning reaches the target air temperature, the system intelligently selects either a single air heat source mode or a single water heat source mode by comparing the vehicle's real-time speed with a preset speed threshold. This strategy effectively avoids maintaining an unnecessary dual heat source operating state, further reducing energy consumption during the heating process and improving the driving range.

[0059] Obviously, the embodiments described above are only some embodiments of this application, and not all embodiments. To better understand the above method and the control scheme for the heating mode of the vehicle air conditioner, in an optional embodiment, a scheme is also provided for explaining and illustrating the above scheme.

[0060] Currently, electric vehicles generally suffer from short driving range, especially in low-temperature environments. On the one hand, the demand for heating in the passenger compartment is greater in low temperatures, which increases the power consumption of the air conditioning system. On the other hand, due to the low-temperature discharge degradation characteristics of batteries, the total discharge capacity of the battery decreases when the cell temperature is low, which further reduces the driving range of the electric vehicle.

[0061] To improve the overall energy efficiency of a vehicle, electric vehicles often employ heat pump air conditioning systems to reduce the electrical power consumption of heating and air conditioning. Furthermore, to maximize the utilization of the vehicle's heat sources, electric vehicle heat pump air conditioning systems typically utilize an integrated thermal management system that combines air heat sources and waste heat from the motor. When there is a heating demand in the low-temperature passenger compartment, both air heat sources and waste heat from the motor are used simultaneously to achieve heat pump heating in the passenger compartment. This enhances the utilization of low-grade heat sources throughout the vehicle, effectively improving the COP of the air conditioning system and reducing air conditioning energy consumption.

[0062] When the ambient temperature is not particularly low and the heating power demand in the passenger compartment is relatively low, optimizing the heat source selection strategy of the heat pump air conditioning system can effectively improve the overall energy efficiency of the vehicle. When the vehicle speed is low and a single air heat source can meet the heating needs of the passenger compartment, switching the heat pump mode to single air source heating mode can fully utilize the air heat source for heating and also allow the saved waste heat from the motor to be directed to the power battery to heat the battery cells, increasing the battery's temperature and enabling the battery to have a larger discharge capacity and discharge power at low temperatures, thus improving the overall energy efficiency of the vehicle. When the vehicle speed is high and the waste heat from the motor can meet the heating needs of the passenger compartment, switching the heat pump mode to single water source heating mode and turning off AGS can significantly reduce wind resistance and increase the vehicle's driving range without affecting the comfort of the passenger compartment.

[0063] This application, based on the existing integrated thermal management system's dual-heat-source heating control logic (air source and motor waste heat), adds a mode-switching control strategy for air heat source and motor waste heat at the logic level. This improves the vehicle's low-temperature driving range without affecting passenger cabin comfort. This application can significantly improve the electric vehicle's low-temperature driving range in environments above -12℃.

[0064] refer to Figure 3 The diagram shown is a flowchart illustrating the control method for the heating mode of the vehicle air conditioner provided in this application:

[0065] First, when there is a need for heating, the vehicle's air conditioning is activated, and the vehicle's air conditioning heat pump mode signal is collected. The current air conditioning mode of the vehicle is a dual heat source heating mode using air source and motor waste heat.

[0066] During the heating process in dual-heat-source heating mode, the actual air outlet temperature and the target air outlet temperature of the vehicle's air conditioning system are acquired and compared to determine whether the actual air outlet temperature is greater than or equal to the target air outlet temperature. The actual air outlet temperature is the temperature measured by the vehicle's sensors, while the target air outlet temperature is calculated based on the passenger's air conditioning set temperature and the heat pump comfort model.

[0067] If the actual air outlet temperature is lower than the target air outlet temperature, it is considered that the current air heat source plus the motor waste heat is not enough to meet the passenger heating demand. Therefore, the motor waste heat will continue to be supplied to the passenger cabin for heating, and the current dual heat source heating mode of passenger cabin air source and motor waste heat will be maintained.

[0068] If the actual outlet air temperature is greater than or equal to the target outlet air temperature, then the current dual-heat-source heat pump mode, consisting of air heat source and motor waste heat, is considered to meet the passenger's heating needs. It is then determined whether the vehicle speed exceeds a threshold. This vehicle speed threshold represents the wind resistance benefit of turning off the AGS. If the vehicle speed is below this threshold, it indicates that the wind resistance benefit from turning off the AGS is small, and the heat pump needs to maintain the utilization of the air heat source. If the vehicle speed is above this threshold, it indicates that turning off the AGS can bring a significant wind resistance benefit, and it is advisable to try turning off the AGS and switching the heat pump to a single-water heat source mode. This vehicle speed threshold can be obtained through experimental and simulation methods.

[0069] When the vehicle speed is below the threshold, the use of air heat source needs to be maintained. At this time, it is necessary to further determine whether the battery has a passive heating requirement. Generally, when the cell temperature is below 10°C, raising the cell temperature is beneficial to the battery's discharge characteristics and energy recovery, indicating that the battery has a passive heating requirement.

[0070] If the power battery requires passive heating, a logical judgment is made to determine whether switching to a single-air-source heat pump can meet the heating needs of the passenger compartment. By collecting data on the air conditioner's intake air temperature, airflow, and target outlet air temperature, the required air conditioning heating power is calculated. This is then compared to the maximum heating power that the integrated thermal management system's pure air-source heat pump can provide under different ambient temperatures to determine whether switching to a single-air-source heat pump mode can meet the heating needs of a single passenger compartment. The judgment logic is as follows: If it is determined that the single-air-source heat pump mode meets the heating needs of the passenger compartment under the current conditions, the vehicle's air conditioning mode switches from a dual-heat source heating mode (air source and motor waste heat) to a single-air-source heat pump mode. Simultaneously, the motor's waste heat is transferred to the power battery for passive heating.

[0071] If the vehicle speed exceeds the threshold during the speed determination phase, it indicates that disabling AGS can provide significant wind resistance benefits. In this case, try disabling AGS and switching the heat pump to single-water heat source mode. Then, determine if the actual water temperature is higher than the target water temperature. The actual water temperature is measured by the vehicle's water temperature sensor, while the target water temperature is the temperature required for air conditioning heating, which is limited by system efficiency and allowable low pressure, and is obtained through bench testing.

[0072] If the actual water temperature is higher than the target water temperature, a judgment is made on whether a single water source heat source can meet the heating needs of the passenger compartment. The following conditions must be met: If it is determined that the pure water source heat pump mode meets the heating needs of the passenger compartment under the current conditions, the vehicle's air conditioning mode switches from a dual heat source heating mode (air source and motor waste heat) to a pure water source heat pump mode, and AGS is turned off to reduce wind resistance.

[0073] refer to Figure 4 As shown, Figure 4 This comparison shows the battery SOC decrease curves after applying the vehicle air conditioning heating mode control method of this application. Because the waste heat from the motor is transferred to the power battery, it leads to a certain increase in battery cell temperature. Simultaneously, the wind resistance benefit from the AGS being turned off at high speeds significantly slows down the battery SOC decrease rate throughout the low-temperature driving range test. Figure 4 Line segment 'a' in the diagram represents the SOC change curve after applying the control method of the vehicle air conditioning heating mode of this application. Figure 4 Line segment b in the figure represents the SOC change curve before applying the control method of the vehicle air conditioning heating mode of this application. Simulation test results show that, at an ambient temperature of -10℃ and a cell initial temperature of -10℃, applying the control method of the vehicle air conditioning heating mode of this application increases the overall vehicle discharge capacity by 6.3Ah, significantly improving the driving range.

[0074] If any of the above conditions are not met for heat source switching, the current dual-heat source heating mode of air source and motor waste heat is maintained. Through the above description of the implementation methods, those skilled in the art can clearly understand that the methods according to the above embodiments can be implemented using software plus necessary general-purpose hardware platforms. Of course, they can also be implemented using hardware, but in many cases, the former is a better implementation method. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, can be embodied in the form of a software product. This computer software product is stored in a storage medium (such as ROM / RAM, magnetic disk, optical disk), and includes several instructions to cause a terminal device (which may be a mobile phone, computer, server, or network device, etc.) to execute the methods of the various embodiments of this application.

[0075] This embodiment also provides a control device for the heating mode of a vehicle air conditioner. This control device is used to implement the above embodiments and preferred embodiments, and details already described will not be repeated. As used below, the term "module" can refer to a combination of software and / or hardware that performs a predetermined function. Although the apparatus described in the following embodiments is preferably implemented in software, hardware implementation, or a combination of software and hardware, is also possible and contemplated.

[0076] Figure 5 This is a structural block diagram of a control device for the heating mode of a vehicle air conditioner according to an embodiment of this application; as shown... Figure 5 As shown, it includes:

[0077] The acquisition module 52 is used to activate the dual heat source heating mode of the vehicle air conditioner when the vehicle has a heating demand, and to acquire the real-time air outlet temperature of the vehicle air conditioner when the dual heat source heating mode is running.

[0078] The acquisition module 52 is also used to acquire the real-time vehicle speed when the real-time air outlet temperature reaches the target air outlet temperature.

[0079] The switching module 54 is used to control the dual heat source heating mode to switch to the single air heat source mode when the real-time vehicle speed is less than or equal to a set vehicle speed threshold, the vehicle's battery meets the heating requirements, and the estimated heating power in the single air heat source mode meets the heating conditions, so as to perform heating through the single air heat source mode.

[0080] The switching module 54 is further configured to control the dual-heat source heating mode to switch to the single-heat source mode when the real-time vehicle speed is greater than the vehicle speed threshold, the real-time water temperature of the vehicle meets the water temperature condition, and the estimated heating power in the single-heat source mode meets the heating condition, so as to perform heating through the single-heat source mode.

[0081] Using the aforementioned device, when the vehicle requires heating, the dual-heat-source heating mode of the vehicle's air conditioning is activated, and the real-time air outlet temperature of the air conditioning vents in dual-heat-source heating mode is acquired. Once the real-time air outlet temperature reaches the target temperature, the vehicle's real-time speed is acquired. If the real-time speed is less than or equal to a set speed threshold, the vehicle's battery meets the heating requirements, and the estimated heating power in single-air heat source mode meets the heating conditions, the dual-heat-source heating mode is switched to single-air heat source mode for heating. Similarly, if the real-time speed exceeds the speed threshold, the vehicle's real-time water temperature meets the water temperature requirements, and the estimated heating power in single-water heat source mode meets the heating conditions, the dual-heat-source heating mode is switched to single-water heat source mode for heating. In the initial heating phase, the dual-heat-source heating mode ensures that the set comfortable temperature can be reached quickly. Once the vehicle's air conditioning reaches the target air temperature, the system intelligently selects either a single air heat source mode or a single water heat source mode by comparing the vehicle's real-time speed with a preset speed threshold. This strategy effectively avoids maintaining an unnecessary dual heat source operating state, further reducing energy consumption during the heating process and improving the driving range.

[0082] In an exemplary embodiment, the switching module 54 is further configured to determine that the estimated heating power in the single-air heat source mode meets the heating conditions if the estimated heating power in the single-air heat source mode is greater than the required heating power, wherein the estimated heating power in the single-air heat source mode is determined based on the ambient temperature.

[0083] In an exemplary embodiment, the switching module 54 is further configured to acquire the air inlet temperature, air volume, and specific heat capacity of the vehicle air conditioner; determine the difference between the real-time outlet temperature and the target outlet temperature; and multiply the difference by the air inlet temperature, the air volume, and the specific heat capacity of the air to determine the required heating power.

[0084] In an exemplary embodiment, the switching module 54 is further configured to determine that the estimated heating power in the single-water heat source mode meets the heating conditions if the estimated heating power in the single-water heat source mode is greater than the required heating power.

[0085] In an exemplary embodiment, the switching module 54 is further configured to acquire the vehicle's motor heat output, heat pump system heating efficiency, and heat pump system energy efficiency; determine a first heating parameter and a second heating parameter; and multiply the quotient of the first heating parameter and the second heating parameter by the heat pump system heating efficiency to determine the estimated heating power in the single water heat source mode. The first heating parameter is determined based on the product of the vehicle's motor heat output and the heat pump system heating efficiency, and the second heating parameter is determined based on the difference between the heat pump system energy efficiency and the heat pump system heating efficiency, and the vehicle's motor heat output.

[0086] In an exemplary embodiment, the switching module 54 is further configured to close the vehicle's active air intake grille when the real-time vehicle speed is greater than the vehicle speed threshold, the real-time water temperature of the vehicle meets the water temperature condition, and the estimated heating power in the single water heat source mode meets the heating condition.

[0087] In an exemplary embodiment, the switching module 54 is further configured to acquire the cell temperature of the battery, and determine that the battery meets the heating requirements if the cell temperature does not reach a set temperature threshold; or, acquire historical operating data of the battery; the historical operating data of the battery includes at least the state of charge, charge and discharge data, and internal resistance of the battery at multiple historical moments; predict the temperature parameters of the battery within a preset time period based on the historical operating data; wherein the temperature parameters include predicted cell temperatures at multiple preset moments; determine a target cell temperature based on the multiple predicted cell temperatures, and determine that the vehicle's battery meets the heating requirements if the target cell temperature is within a set temperature range.

[0088] Embodiments of this application also provide a storage medium including a stored program, wherein the program executes any of the methods described above when it is run.

[0089] Optionally, in this embodiment, the storage medium may be configured to store program code for performing the following steps:

[0090] S1 is used to activate the dual-heat source heating mode of the vehicle air conditioner when the vehicle has a heating demand, and to obtain the real-time air outlet temperature of the vehicle air conditioner when the dual-heat source heating mode is running.

[0091] S2, when the real-time air outlet temperature reaches the target air outlet temperature, obtain the real-time vehicle speed;

[0092] S3, when the real-time vehicle speed is less than or equal to the set vehicle speed threshold, the vehicle's battery meets the heating requirements, and the estimated heating power in the single-air heat source mode meets the heating conditions, the dual-heat source heating mode is switched to the single-air heat source mode to provide heating through the single-air heat source mode.

[0093] S4, when the real-time vehicle speed is greater than the vehicle speed threshold, the real-time water temperature of the vehicle meets the water temperature condition, and the estimated heating power in the single water heat source mode meets the heating condition, the dual heat source heating mode is switched to the single water heat source mode to provide heating through the single water heat source mode.

[0094] Embodiments of this application also provide an electronic device including a memory and a processor, wherein the memory stores a computer program and the processor is configured to run the computer program to perform the steps in any of the above method embodiments.

[0095] Optionally, the electronic device may further include a transmission device and an input / output device, wherein the transmission device is connected to the processor and the input / output device is connected to the processor.

[0096] Optionally, in this embodiment, the processor can be configured to perform the following steps via a computer program:

[0097] S1 is used to activate the dual-heat source heating mode of the vehicle air conditioner when the vehicle has a heating demand, and to obtain the real-time air outlet temperature of the vehicle air conditioner when the dual-heat source heating mode is running.

[0098] S2, when the real-time air outlet temperature reaches the target air outlet temperature, obtain the real-time vehicle speed;

[0099] S3, when the real-time vehicle speed is less than or equal to the set vehicle speed threshold, the vehicle's battery meets the heating requirements, and the estimated heating power in the single-air heat source mode meets the heating conditions, the dual-heat source heating mode is switched to the single-air heat source mode to provide heating through the single-air heat source mode.

[0100] S4, when the real-time vehicle speed is greater than the vehicle speed threshold, the real-time water temperature of the vehicle meets the water temperature condition, and the estimated heating power in the single water heat source mode meets the heating condition, the dual heat source heating mode is switched to the single water heat source mode to provide heating through the single water heat source mode.

[0101] Optionally, in this embodiment, the storage medium may include, but is not limited to, various media capable of storing program code, such as USB flash drives, read-only memory (ROM), random access memory (RAM), portable hard drives, magnetic disks, or optical disks.

[0102] Embodiments of this application also provide a computer program product, including a non-volatile computer-readable storage medium storing the computer program product, wherein the computer program, when executed by a processor, implements the steps of the methods described in various embodiments of this application.

[0103] Optionally, in this embodiment, the computer program described above can be configured to perform the following steps when executed by a processor:

[0104] S1 is used to activate the dual-heat source heating mode of the vehicle air conditioner when the vehicle has a heating demand, and to obtain the real-time air outlet temperature of the vehicle air conditioner when the dual-heat source heating mode is running.

[0105] S2, when the real-time air outlet temperature reaches the target air outlet temperature, obtain the real-time vehicle speed;

[0106] S3, when the real-time vehicle speed is less than or equal to the set vehicle speed threshold, the vehicle's battery meets the heating requirements, and the estimated heating power in the single-air heat source mode meets the heating conditions, the dual-heat source heating mode is switched to the single-air heat source mode to provide heating through the single-air heat source mode.

[0107] S4, when the real-time vehicle speed is greater than the vehicle speed threshold, the real-time water temperature of the vehicle meets the water temperature condition, and the estimated heating power in the single water heat source mode meets the heating condition, the dual heat source heating mode is switched to the single water heat source mode to provide heating through the single water heat source mode.

[0108] Optionally, specific examples in this embodiment can refer to the examples described in the above embodiments and optional implementations, and will not be repeated here.

[0109] Obviously, those skilled in the art should understand that the modules or steps of this application described above can be implemented using general-purpose computing devices. They can be centralized on a single computing device or distributed across a network of multiple computing devices. Optionally, they can be implemented using computer-executable program code, thereby storing them in a storage device for execution by a computing device. In some cases, the steps shown or described can be performed in a different order than those presented here, or they can be fabricated as separate integrated circuit modules, or multiple modules or steps can be fabricated as a single integrated circuit module. Thus, this application is not limited to any particular combination of hardware and software.

[0110] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the principles of this application should be included within the protection scope of this application.

Claims

1. A method for controlling the heating mode of a vehicle air conditioner, characterized in that, include: When the vehicle has a heating requirement, the dual heat source heating mode of the vehicle air conditioner is activated, and the real-time air outlet temperature of the vehicle air conditioner is obtained when the dual heat source heating mode is running. When the real-time air outlet temperature reaches the target air outlet temperature, the real-time vehicle speed is obtained. When the real-time vehicle speed is less than or equal to a set speed threshold, the vehicle's battery meets the heating requirements, and the estimated heating power in the single-air heat source mode meets the heating conditions, the dual-heat source heating mode is switched to the single-air heat source mode for heating. When the real-time vehicle speed is greater than the speed threshold, the vehicle's real-time water temperature meets the water temperature requirements, and the estimated heating power in the single-water heat source mode meets the heating conditions, the dual-heat source heating mode is switched to the single-water heat source mode for heating.

2. The method according to claim 1, characterized in that, The step of determining whether the estimated heating power in the single-air heat source mode meets the heating conditions includes: If the estimated heating power in the single-air heat source mode is greater than the required heating power, it is determined that the estimated heating power in the single-air heat source mode meets the heating conditions, wherein the estimated heating power in the single-air heat source mode is determined based on the ambient temperature.

3. The method according to claim 2, characterized in that, The required heating power is determined in the following way: The air intake temperature, air volume, and specific heat capacity of the vehicle's air conditioning system are obtained. The difference between the real-time outlet air temperature and the target outlet air temperature is determined, and the product of the difference with the air conditioner inlet air temperature, the air conditioner air volume, and the specific heat capacity of the air is determined as the required heating power.

4. The method according to claim 1, characterized in that, The step of determining whether the estimated heating power in the single-water heat source mode meets the heating conditions includes: If the estimated heating power in the single-water heat source mode is greater than the required heating power, it is determined that the estimated heating power in the single-water heat source mode meets the heating conditions.

5. The method according to claim 1, characterized in that, The steps for determining the estimated heating power under the single water heat source mode include: The heat output of the vehicle's motor, the heating efficiency of the heat pump system, and the energy efficiency of the heat pump system are obtained. A first heating parameter and a second heating parameter are determined, and the product obtained by multiplying the quotient of the first heating parameter and the second heating parameter by the heating efficiency of the heat pump system is determined as the estimated heating power in the single water heat source mode. The first heating parameter is determined based on the product of the vehicle's motor heat generation and the heating efficiency of the heat pump system, and the second heating parameter is determined based on the difference between the energy efficiency of the heat pump system and the heating efficiency of the heat pump system, and the heat generation of the vehicle's motor.

6. The method according to claim 1, characterized in that, After obtaining the real-time speed of the vehicle, the method further includes: When the real-time vehicle speed is greater than the vehicle speed threshold, the real-time water temperature of the vehicle meets the water temperature requirements, and the estimated heating power in the single water heat source mode meets the heating requirements, the active air intake grille of the vehicle is closed.

7. The method according to claim 1, characterized in that, The steps for determining whether the vehicle's battery meets the heating requirements include: The cell temperature of the battery is obtained, and if the cell temperature does not reach the set temperature threshold, it is determined that the battery meets the heating requirements. or, Acquire the historical operating data of the battery; the historical operating data of the battery includes at least the state of charge, charge and discharge data, and internal resistance of the battery at multiple historical moments; Based on the historical operating data, the temperature parameters of the battery are predicted within a preset time period; wherein, the temperature parameters include the predicted cell temperature at multiple preset times. The target cell temperature is determined based on the multiple predicted cell temperatures. If the target cell temperature is within a set temperature range, it is determined that the vehicle's battery meets the heating requirements.

8. A control device for the heating mode of a vehicle air conditioner, characterized in that, The device includes: The acquisition module is used to activate the dual heat source heating mode of the vehicle air conditioner when the vehicle has a heating demand, and to acquire the real-time air outlet temperature of the vehicle air conditioner when the dual heat source heating mode is running. The acquisition module is also used to acquire the real-time vehicle speed when the real-time air outlet temperature reaches the target air outlet temperature. The switching module is used to control the dual-heat source heating mode to switch to the single-air heat source mode when the real-time vehicle speed is less than or equal to a set vehicle speed threshold, the vehicle's battery meets the heating requirements, and the estimated heating power in the single-air heat source mode meets the heating conditions, so as to perform heating through the single-air heat source mode. The switching module is further configured to control the dual-heat-source heating mode to switch to the single-heat-source mode when the real-time vehicle speed is greater than the vehicle speed threshold, the real-time water temperature of the vehicle meets the water temperature condition, and the estimated heating power in the single-heat-source mode meets the heating condition, so as to perform heating through the single-heat-source mode.

9. A computer-readable storage medium, characterized in that, The computer-readable storage medium includes a stored program, wherein the program, when executed, performs the method described in any one of claims 1 to 7.

10. An electronic device comprising a memory and a processor, characterized in that, The memory stores a computer program, and the processor is configured to execute the method described in any one of claims 1 to 7 through the computer program.

11. A computer program product, comprising a computer program, characterized in that, When the computer program is executed by a processor, it implements the method described in any one of claims 1 to 7.

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