Vehicle air conditioning control system, method, vehicle

Abstract

This application relates to the field of vehicle technology, and particularly to an in-vehicle air conditioning control system, method, and vehicle. The system includes: a display device and electronic devices; a monitoring component for monitoring the communication status between the display device and the electronic devices; an analog switch mounted on the display device for generating control commands for the in-vehicle air conditioning based on user interactions on the interface, and sending the control commands to the display device or electronic device according to the communication status; a first controller mounted on the electronic devices for controlling the in-vehicle air conditioning when the communication status is normal; and a second controller mounted on the display device for controlling the in-vehicle air conditioning when the communication status is abnormal. This solves the problems in related technologies where in-vehicle air conditioning control relies on electronic devices, and if the electronic devices or the communication between the electronic devices and the display devices malfunctions, the air conditioning cannot be used normally, resulting in a poor user experience.

Description

Technical Field

[0001] This application relates to the field of vehicle technology, and in particular to an in-vehicle air conditioning control system, method, and vehicle. Background Technology

[0002] With the development of intelligent automotive cockpits, screen-separated (i.e., the display screen and electronic devices are separate) central control systems are gradually becoming the mainstream design. This design not only improves the overall vehicle design flexibility and user experience, but also supports more complex interactive functions, such as the control of the air conditioning system.

[0003] Related technologies typically employ a "split electronic device + split screen" model to control the air conditioning. In this model, all user interactions and control commands related to the vehicle's air conditioning are generated by the split screen. The electronic device receives user input from the split screen and sends the corresponding control commands to the air conditioning controller to control the vehicle's air conditioning. While this method provides a good user experience under normal circumstances, the screen-and-device separation of the central control system relies on the central control electronic device for processing all interactive operations. If the central control electronic device malfunctions, the entire control system may fail, causing the air conditioning to malfunction and thus affecting the overall vehicle comfort. Summary of the Invention

[0004] This application provides an in-vehicle air conditioning control system, method, and vehicle to solve the problems in the related technology where in-vehicle air conditioning control relies on electronic devices. Once the electronic devices malfunction, the air conditioning cannot be used normally, resulting in a poor user experience.

[0005] A first aspect of this application provides a vehicle air conditioning control system, including: a display device and an electronic device, wherein the display device and the electronic device communicate with each other; a monitoring component for monitoring the communication status between the display device and the electronic device, wherein the communication status includes a normal status and an abnormal status; an analog switch disposed on the display device for generating control commands for the vehicle air conditioning based on user interaction actions on an interactive interface, and sending the control commands to the display device or the electronic device according to the communication status; a first controller disposed on the electronic device for controlling the vehicle air conditioning using the electronic device when the communication status is normal; and a second controller disposed on the display device for controlling the vehicle air conditioning using the display device when the communication status is abnormal.

[0006] Optionally, the electronic device includes: a first transceiver, a processor, and a serializer. The first transceiver is connected to the air conditioner controller and the processor. The first controller is connected to the serializer and the processor respectively. The display device further includes: a deserializer and a second transceiver. The second transceiver is connected to the air conditioner controller and the second controller respectively. The second controller is connected to an analog switch. The analog switch is also connected to the touch screen where the interactive interface is located and the deserializer. The deserializer is connected to the serializer and the display screen respectively.

[0007] Optionally, the display device and the electronic device communicate with the vehicle air conditioning controller via a CAN bus.

[0008] Optionally, the first controller is further configured to: send control commands to the air conditioning controller via a first communication link, and the air conditioning controller responds to the control commands to control the vehicle air conditioning; wherein, the first communication link is a communication link between the electronic device and the air conditioning controller, including: an analog switch sending control commands to a deserializer; the deserializer converting the received control commands into parallel signals, and then sending them to the processor via a serializer; the processor receiving the parallel signals, processing them, and converting the processed parallel signals into control commands and sending them to the first controller; the first controller sending the control commands to the CAN bus via a first transceiver, and the vehicle air conditioning controller responding to the control commands.

[0009] Optionally, the second controller is further configured to: send control commands to the air conditioning controller via a second communication link, and the air conditioning controller responds to the control commands to control the vehicle air conditioning; wherein, the second communication link is a communication link between the display device and the air conditioning controller, including: sending control commands to the second controller via an analog switch; the second controller sending the control commands to the CAN bus via a second transceiver, and the vehicle air conditioning controller responding to the control commands.

[0010] Optionally, the monitoring component is further configured to: detect heartbeat signals from the processor and the second controller; detect link layer signals between the processor and the deserializer; and determine that communication between the display device and the electronic device is abnormal if the heartbeat signal or the link layer signal is abnormal.

[0011] Optionally, a high-speed serial interface is used for communication between the display device and the electronic device.

[0012] A second aspect of this application provides a vehicle including the vehicle air conditioning control system described in the above embodiments.

[0013] A third aspect of this application provides a method for controlling a vehicle air conditioner. This method is based on the vehicle air conditioner system described in the above embodiment to control the vehicle air conditioner, and includes the following steps: obtaining a control command for the vehicle air conditioner; monitoring the communication status between the electronic device and the display device in the vehicle air conditioner system, wherein the communication status includes a normal status and an abnormal status; if the communication status is normal, sending the control command to the electronic device in the vehicle air conditioner system and controlling the vehicle air conditioner using the first controller of the electronic device; if the communication status is abnormal, controlling the vehicle air conditioner using the second controller of the display device.

[0014] Optionally, the vehicle air conditioner is controlled by the first controller of the electronic device, including: establishing a first communication link between the electronic device and the air conditioner controller; sending control commands to the air conditioner controller via the first communication link; and the controller responding to the control commands to control the vehicle air conditioner. The method of controlling the vehicle air conditioner using a second controller of a display device includes: establishing a second communication link between the display device and the air conditioner controller; sending control commands to the air conditioner controller using the second communication link; and the control controller responding to the control commands and controlling the vehicle air conditioner.

[0015] Therefore, this application has at least the following beneficial effects: This application embodiment monitors the communication status between the display device and the electronic device using a monitoring component. Under normal conditions, it can control the vehicle air conditioning based on a first controller installed on the electronic device. In the event of a communication failure, it switches to a second controller installed on the display device to directly control the vehicle air conditioning. This dual-channel control of the vehicle air conditioning ensures continuous availability of the air conditioning function. Even if the electronic device fails or communication between the display device and the electronic device is abnormal, basic air conditioning functions remain unaffected, providing users with a consistently comfortable driving environment. This solves the problem in related technologies where vehicle air conditioning control relies on electronic devices, and abnormalities in the electronic devices or communication between the electronic devices and the display device lead to the air conditioning malfunctioning and resulting in a poor user experience.

[0016] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description

[0017] The above and / or additional aspects and advantages of this application will become apparent and readily understood from the following description of the embodiments taken in conjunction with the accompanying drawings, wherein: Figure 1 This is a block diagram of an in-vehicle air conditioning control system provided according to an embodiment of this application; Figure 2 This is a schematic diagram of the communication link of an in-vehicle air conditioning control system according to an embodiment of this application; Figure 3 This is a flowchart of a vehicle air conditioning control method according to an embodiment of this application. Detailed Implementation

[0018] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this application, and should not be construed as limiting this application.

[0019] The following description, with reference to the accompanying drawings, illustrates a redundant control method, system, and vehicle for vehicle air conditioning according to embodiments of this application. Addressing the problems mentioned in the background section, this application provides a vehicle air conditioning control system. By monitoring the communication status between a display device and an electronic device through a monitoring component, the system can control the vehicle air conditioning under normal conditions using a first controller mounted on the electronic device. In the event of a communication failure, it switches to a second controller mounted on the display device to directly control the vehicle air conditioning. This dual-channel control of the vehicle air conditioning ensures continuous availability of the air conditioning function. Even in the event of electronic device failure or communication anomalies between the display device and the electronic device, basic air conditioning functions remain unaffected, providing users with a continuously comfortable driving environment. This solves the problems in related technologies where vehicle air conditioning control relies on electronic devices, and anomalies in the electronic devices or communication between the electronic devices and the display device can lead to the air conditioning malfunctioning and a poor user experience.

[0020] Specifically, Figure 1 This is a block diagram illustrating an in-vehicle air conditioning control system provided in an embodiment of this application.

[0021] like Figure 1 As shown, the vehicle air conditioning control system 10 includes: electronic device 100, display device 200, monitoring component 300, first controller 101, second controller 201 and analog switch 202.

[0022] The display device 200 and the electronic device 100 communicate via a high-speed serial interface. Both devices communicate with the vehicle air conditioning controller via a CAN bus. A monitoring component 300 monitors the communication status between the display device 200 and the electronic device 100, including normal and abnormal states. An analog switch 202 is mounted on the display device 200 and generates control commands for the vehicle air conditioning based on user interactions on the interface, sending these commands to either the display device 200 or the electronic device 100 according to the communication status. A first controller 101 is mounted on the electronic device 100 and controls the vehicle air conditioning when the communication status is normal. A second controller 201 is mounted on the display device 200 and controls the vehicle air conditioning when the communication status is abnormal.

[0023] It is understandable that the interactive interface of the display device 200 typically consists of multiple functional areas, each corresponding to a specific functional control (such as a simulated on / off switch, a temperature adjustment slider, etc.). In this embodiment, the simulated switch 202 is disposed on the display device 200. By recognizing the user's interactive actions on the interactive interface, it generates corresponding air conditioning control commands. For example, the user can set the temperature by sliding the "temperature adjustment slider," and the set temperature is transmitted to the simulated switch 202 to generate control commands for the vehicle's air conditioning. Thus, the intuitive operation interface significantly improves the user experience.

[0024] In this embodiment, the vehicle air conditioning control system 10 can be a central control system with a separate screen and host, the electronic device 100 can be a host, and the display device 200 can be a screen.

[0025] It is understood that user interactions and control commands related to the air conditioning are generated by the display device 200. The electronic device 100 receives user input from the display device 200 and sends corresponding control commands to the air conditioning controller to control the vehicle's air conditioning. When communication between the display device 200 and the electronic device 100 fails, air conditioning control is impossible. Therefore, the monitoring component 300 in this embodiment monitors the communication status between the display device 200 and the electronic device 100. Under normal conditions, it can control the vehicle's air conditioning based on the first controller 101 installed on the electronic device 100. When communication is abnormal, it switches to the second controller 201 installed on the display device 200 to directly control the vehicle's air conditioning, thereby ensuring the reliability of the vehicle's air conditioning control. Even when communication between the electronic device 100 and the display device 200 is abnormal, the display device 200 can still directly control the air conditioning, ensuring that basic air conditioning functions are not affected and providing users with a continuously comfortable driving environment.

[0026] In one embodiment of this application, such as Figure 2 As shown, the electronic device 100 further includes: a first transceiver, a processor, and a serializer. The first transceiver is connected to the air conditioner controller and the processor. The first controller 101 is connected to the serializer and the processor respectively. The display device 200 further includes: a deserializer and a second transceiver. The second transceiver is connected to the air conditioner controller and the second controller 201 respectively. The second controller 201 is connected to an analog switch 202. The analog switch 202 is also connected to the touch screen where the interactive interface is located and the deserializer. The deserializer is connected to the serializer and the display screen respectively.

[0027] In one embodiment of this application, the monitoring component 300 is further configured to: detect the heartbeat signal of the processor and the second controller 201; detect the link layer signal between the processor and the deserializer; and determine that the communication between the display device 200 and the electronic device 100 is abnormal if the heartbeat signal or the link layer signal is abnormal.

[0028] The heartbeat signal is a simple, periodically transmitted signal used to confirm the normal connection status between two devices. In the vehicle air conditioning system, the second controller 201 of the display device 200 and the processor of the electronic device 100 periodically exchange heartbeat signals. Therefore, this embodiment can determine the communication status between the display device 200 and the electronic device 100 based on the periodicity of the heartbeat signal, thereby taking timely measures. The link signal refers to the high-speed communication signal between the deserializer of the display device 200 and the processor of the electronic device 100. The quality of the link signal between the deserializer and the processor directly affects the communication performance of the vehicle air conditioning system. Therefore, this embodiment can determine the communication status between the display device 200 and the electronic device 100 based on the link signal, thereby taking timely measures.

[0029] To ensure communication stability, this application comprehensively assesses the communication status between display device 200 and electronic device 100 by monitoring heartbeat signals and link signals, and combining their states. Specifically, the heartbeat signal is used to confirm the connection status between the two devices. Typically, the processor of electronic device 100 periodically sends a heartbeat packet to the first controller of display device 200. Upon receiving the heartbeat packet, the controller immediately returns an acknowledgment signal to the processor, indicating that it is currently in working condition. If the processor does not receive an acknowledgment signal within a preset time window, the heartbeat signal is considered interrupted. For example, if the time is set to 2 seconds, and no acknowledgment is received within this period, it is determined to be a communication anomaly. As another possible implementation, the deserializer, as a key component for high-speed data transmission, relies on a stable operating voltage for normal operation. Any voltage fluctuations or deviations from the normal range may lead to link failures or data transmission errors. This application embodiment can detect the voltage value between the deserializer and the processor of electronic device 100. If the monitored operating voltage continuously deviates from a preset range (below or above), it is determined to be a voltage anomaly, thereby inferring a potential risk of communication anomalies.

[0030] In actual execution, if either the heartbeat signal or the link signal meets the abnormal conditions, the communication status between the display device 200 and the electronic device 100 is determined to be abnormal.

[0031] In one embodiment of this application, the first controller 101 is further configured to: send control commands to the air conditioning controller via a first communication link, and the air conditioning controller responds to the control commands to control the vehicle air conditioning; wherein, the first communication link is a communication link between the electronic device 100 and the air conditioning controller, including: an analog switch 202 sending control commands to a deserializer; the deserializer converting the received control commands into parallel signals, and then sending them to the processor via a serializer; the processor receiving the parallel signals, processing them, and converting the processed parallel signals into control commands and sending them to the first controller 101; the first controller 101 sending the control commands to the CAN bus via a first transceiver, and the vehicle air conditioning controller responding to the control commands.

[0032] Specifically, the first communication link refers to the standard path for controlling the vehicle's air conditioning system via "electronic device 100 + display device 200". For ease of understanding, the embodiments of this application can be combined with... Figure 2 Provide a detailed explanation, such as Figure 2As shown, the control flow of the first communication link is: touch screen → analog switch 202 → deserializer → serializer → processor → first controller 101 → first transceiver → CAN bus → air conditioning controller. All user interactions and control commands related to the vehicle air conditioning are generated by the display device 200. The electronic device 100 receives the control commands from the display device 200 and sends them to the air conditioning controller to control the vehicle air conditioning.

[0033] In one embodiment of this application, the second controller 201 is further configured to: send control commands to the air conditioning controller via a second communication link, and the air conditioning controller responds to the control commands to control the vehicle air conditioning; wherein, the second communication link is a communication link between the display device 200 and the air conditioning controller, including: the analog switch 202 sending control commands to the second controller 201; the second controller 201 sending the control commands to the CAN bus via a second transceiver, and the vehicle air conditioning controller responding to the control commands.

[0034] Specifically, such as Figure 2 As shown, the second communication link refers to the redundant path for controlling the vehicle's air conditioning via the display device 200. The second communication link is: Touchscreen → Analog Switch 202 → Second Controller 201 → Second Transceiver → CAN Bus → Air Conditioning Controller. Specifically, the touchscreen, as the main interface for user interaction with the system, is responsible for receiving the user's air conditioning control commands, such as setting the fan speed, turning the air conditioning on or off, etc. The touchscreen transmits these commands to the analog switch 202. The analog switch 202, based on the current system status, transmits the signal to the second controller 201 of the display device 200. The second controller 201 parses the received signal and sends it to the second transceiver. The second transceiver converts the digital signal generated by the second controller 201 into a physical signal suitable for transmission on the target bus (such as the CAN bus). Through the CAN bus, the control command is sent to the air conditioning controller. After receiving the command, the air conditioning controller parses it and executes the corresponding operation to fulfill the user's control request. Therefore, the air conditioning control method of this application embodiment completely bypasses the electronic device 100. Even if the communication between the electronic device 100 and the display device 200 is abnormal, the air conditioner can be controlled independently through the display device 200, ensuring that the basic functions are not affected, and no additional complex hardware is required, thus reducing system costs.

[0035] The vehicle air conditioning control system proposed in this application monitors the communication status between the display device and the electronic device through a monitoring component. Under normal conditions, it can control the vehicle air conditioning based on a first controller installed on the electronic device. In the event of a communication failure, it switches to a second controller 201 installed on the display device to directly control the vehicle air conditioning. This dual-channel control ensures the continuous availability of the air conditioning function. Even if the electronic device fails or communication between the display device and the electronic device is abnormal, basic air conditioning functions remain unaffected, providing users with a consistently comfortable driving environment. This solves the problem in related technologies where vehicle air conditioning control relies on electronic devices, and abnormalities in the electronic devices or communication between the electronic devices and the display device lead to the air conditioning malfunctioning and a poor user experience.

[0036] Secondly, this application also provides a method for redundancy control of vehicle air conditioning, such as... Figure 3 As shown, it includes the following steps: In step S101, the control command for the vehicle air conditioner is obtained.

[0037] In step S102, the communication status between the electronic devices and the display device in the vehicle air conditioning system is monitored, wherein the communication status includes normal status and abnormal status.

[0038] In this embodiment, the vehicle air conditioning system is a central control system with a separate screen and a central control unit. User interactions and control commands related to air conditioning are generated by the display device. The electronic device receives user input from the display device and sends the corresponding control commands to the air conditioning controller to control the vehicle air conditioning. When the display device and the electronic device cannot communicate, the air conditioning cannot be controlled. Therefore, this embodiment needs to accurately detect whether there is a communication abnormality between the display device and the electronic device.

[0039] In step S103, if the communication status is normal, the control command is sent to the electronic device in the vehicle air conditioning system, and the first controller of the electronic device controls the vehicle air conditioning; if the communication status is abnormal, the second controller of the display device controls the vehicle air conditioning.

[0040] In one embodiment of this application, controlling a vehicle air conditioner using a first controller of an electronic device includes: establishing a first communication link between the electronic device and the air conditioner controller; sending a control command to the air conditioner controller using the first communication link; and the control controller responding to the control command to control the vehicle air conditioner. The method of controlling the vehicle air conditioner using a second controller of a display device includes: establishing a second communication link between the display device and the air conditioner controller; sending control commands to the air conditioner controller using the second communication link; and the control controller responding to the control commands and controlling the vehicle air conditioner.

[0041] It should be noted that, in the embodiments of this application, the communication detection between the electronic device and the display device, as well as the air conditioning control logic under normal communication conditions and the air conditioning control logic under abnormal communication conditions, can refer to the above embodiments, and will not be elaborated here.

[0042] The vehicle air conditioning control method proposed in this application monitors the communication status between the display device and the electronic device. Under normal conditions, the vehicle air conditioning can be controlled using the electronic device. In the event of a communication failure, the control switches to direct control of the vehicle air conditioning from the display device controller. This dual-channel control ensures the continuous availability of the air conditioning function. Even if the electronic device fails or communication between the display device and the electronic device is abnormal, basic air conditioning functions remain unaffected, providing a consistently comfortable driving environment for the user. This solves the problem in related technologies where vehicle air conditioning control relies on electronic devices, and abnormalities in the electronic devices or communication between the electronic devices and the display device can lead to the air conditioning malfunctioning and a poor user experience.

[0043] This application also provides a vehicle, including: the vehicle air conditioning control system described in the above embodiments.

[0044] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0045] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "N" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0046] Any process or method described in the flowchart or otherwise herein can be understood as representing a module, segment, or portion of code comprising one or more N executable instructions for implementing custom logic functions or processes, and the scope of the preferred embodiments of this application includes additional implementations in which functions may be performed not in the order shown or discussed, including substantially simultaneously or in reverse order depending on the functions involved, as should be understood by those skilled in the art to which embodiments of this application pertain.

[0047] It should be understood that the various parts of this application can be implemented using hardware, software, firmware, or a combination thereof. In the above embodiments, the N steps or methods can be implemented using software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, it can be implemented using any one or a combination of the following techniques known in the art: discrete logic circuits having logic gates for implementing logical functions on data signals, application-specific integrated circuits (ASICs) having suitable combinational logic gates, programmable gate arrays (FPGAs), field-programmable gate arrays (FPGAs), etc.

[0048] Those skilled in the art will understand that all or part of the steps of the methods in the above embodiments can be implemented by a program instructing related hardware. The program can be stored in a computer-readable storage medium, and when executed, the program includes one or a combination of the steps of the method embodiments.

[0049] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application.

Claims

1. A vehicle air conditioning control system characterized by comprising: include: The display device and the electronic device communicate with the vehicle air conditioning controller via a CAN bus. A monitoring component is used to monitor the communication status between the display device and the electronic device, wherein the communication status includes a normal status and an abnormal status; The analog switch installed on the display device is used to generate control commands for the vehicle air conditioner based on the user's interactive actions on the interactive interface, and to send the control commands to the display device or the electronic device according to the communication status. A first controller installed on the electronic device is used to control the vehicle air conditioner using the electronic device when the communication state is normal. A second controller installed on the display device is used to control the vehicle air conditioner using the display device when the communication state is abnormal. The electronic device includes: a first transceiver, a processor, and a serializer. The first transceiver is connected to an air conditioner controller and the processor. The first controller is connected to the serializer and the processor. The display device further includes: a deserializer and a second transceiver. The second transceiver is connected to the air conditioner controller and the second controller. The second controller is connected to the analog switch. The analog switch is also connected to the touchscreen where the interactive interface is located and the deserializer. The deserializer is connected to the serializer and the display screen. The first controller is configured to: send the control command to the air conditioning controller via a first communication link, wherein the air conditioning controller responds to the control command and controls the vehicle air conditioning; wherein the first communication link is a communication link between the electronic device and the air conditioning controller, including: The analog switch sends the control command to the deserializer; the deserializer converts the received control command into a parallel signal, and then sends it to the processor through the serializer; the processor receives the parallel signal, processes it, and converts the processed parallel signal into the control command and sends it to the first controller; the first controller sends the control command to the CAN bus through the first transceiver, and the vehicle air conditioning controller responds to the control command.

2. The vehicle air conditioning control system according to claim 1, characterized by The second controller is used for: The control command is sent to the air conditioning controller via a second communication link, and the air conditioning controller responds to the control command to control the vehicle air conditioning. The second communication link is a communication link between the display device and the air conditioner controller, including... The analog switch sends the control command to the second controller; The second controller sends the control command to the CAN bus via the second transceiver, and the vehicle air conditioning controller responds to the control command.

3. The vehicle air conditioning control system according to claim 1, characterized in that, The monitoring component is used for: Detect the heartbeat signals of the processor and the second controller; Detect the link layer signal between the processor and the deserializer; If the heartbeat signal or the link layer signal is abnormal, then the communication between the display device and the electronic device is determined to be abnormal.

4. The vehicle air conditioning control system according to any one of claims 1-3, characterized in that, The display device and the electronic device communicate via a high-speed serial interface.

5. A vehicle, characterized in that, Including the vehicle air conditioning control system as described in any one of claims 1-4.

6. A method for controlling a vehicle air conditioner, characterized in that, The method implements vehicle air conditioning control based on the vehicle air conditioning control system according to any one of claims 1-4, wherein the method includes the following steps: Obtain the control command for the vehicle air conditioner; The communication status between electronic devices and display devices in the vehicle air conditioning system is monitored, wherein the communication status includes normal status and abnormal status; If the communication status is normal, the control command is sent to the electronic device in the vehicle air conditioning system, and the first controller of the electronic device controls the vehicle air conditioning. If the communication status is abnormal, the vehicle air conditioner is controlled by the second controller of the display device.

7. The control method for vehicle air conditioning according to claim 6, characterized in that, The method of controlling the vehicle air conditioner using the first controller of the electronic device includes: Establish a first communication link between the electronic device and the air conditioner controller; The control command is sent to the air conditioning controller via the first communication link, and the air conditioning controller responds to the control command to control the vehicle air conditioning. The second controller of the display device is used to control the vehicle air conditioner, including: Establish a second communication link between the display device and the air conditioner controller; The control command is sent to the air conditioning controller using the second communication link, and the air conditioning controller responds to the control command to control the vehicle air conditioning.

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