A control method for controlling an air pump to run by a car machine end and a vehicle

Abstract

This invention provides a control method and vehicle for controlling the operation of an air pump via a vehicle-mounted infotainment system. The control method includes: responding to user operation, controlling the vehicle-mounted infotainment system to obtain a first real-time tire pressure from a tire pressure monitoring system and a second real-time tire pressure from the air pump; controlling the vehicle-mounted infotainment system to calculate the deviation between the first real-time tire pressure and the second real-time tire pressure; comparing the deviation with a preset deviation threshold to obtain a first comparison result; and adjusting the inflation control strategy of the vehicle-mounted infotainment system based on the first comparison result. The technical problem solved by this invention is that the air pump relies solely on its own built-in pressure sensor to determine whether the tire pressure is up to standard, resulting in a single data source error, which can easily lead to a large deviation between the actual tire pressure displayed on the vehicle-mounted infotainment system after inflation and the user's expected value.

Description

Technical Field

[0001] This invention relates to the field of automotive tire pressure monitoring technology, and more specifically, to a control method and vehicle for controlling the operation of an air pump via a vehicle-mounted control unit. Background Technology

[0002] With the increasing intelligence of automobiles and the growing demand from users for autonomous vehicle maintenance, in-vehicle air pumps have become common tools in vehicles. Traditional inflation methods typically involve the user setting the target tire pressure using physical buttons or knobs on the air pump, and then starting the pump to inflate the tires.

[0003] During this process, the air pump relies entirely on its built-in pressure sensor to monitor tire pressure in real time. When the sensor detects that the pressure has reached the preset target value, the control circuit inside the air pump will automatically cut off the power and stop inflation.

[0004] However, the relevant technology has at least one of the following problems: the air pump relies solely on its own built-in pressure sensor to determine whether the tire pressure is up to standard, resulting in a single data source error, which can easily lead to a large deviation between the actual tire pressure displayed on the vehicle's infotainment system after inflation and the user's expected value. Summary of the Invention

[0005] The technical problem solved by this invention is that the air pump relies solely on its built-in pressure sensor to determine whether the tire pressure is up to standard, which results in a single data source error and can easily lead to a large deviation between the actual tire pressure displayed on the vehicle's infotainment system after inflation and the user's expected value.

[0006] To address the aforementioned problems, this invention provides a control method for controlling the operation of an air pump on a vehicle-mounted system, comprising: responding to a user operation, controlling the vehicle-mounted system to obtain a first real-time tire pressure from a tire pressure monitoring system and a second real-time tire pressure from an air pump; controlling the vehicle-mounted system to calculate the deviation between the first real-time tire pressure and the second real-time tire pressure; comparing the deviation with a preset deviation threshold to obtain a first comparison result; and adjusting the vehicle-mounted system's inflation control strategy based on the first comparison result.

[0007] Compared with existing technologies, the technical effects achieved by this technical solution are as follows: Compared with related technologies that use a single tire pressure data point to determine whether the tire pressure meets the standard, this invention introduces a dual-data source comparison mechanism by using a first real-time tire pressure monitoring system and a second real-time tire pressure from an air pump. By calculating the deviation between the first and second real-time tire pressures and comparing it with a preset deviation threshold, the inflation control strategy of the vehicle's system is dynamically adjusted, thereby reducing the impact of data errors on the inflation results from the source.

[0008] In one embodiment of the present invention, adjusting the inflation control strategy of the vehicle system according to the first comparison result includes: if the deviation value is less than a preset deviation threshold, controlling the vehicle system to send a target pressure value to the tire pressure monitoring system and the inflation pump; controlling the inflation pump to perform inflation action according to the target pressure value and controlling the tire pressure monitoring system to perform real-time tire pressure monitoring.

[0009] Compared with existing technologies, the technical effects achieved by this solution are as follows: when the deviation between the two data sources is small, it indicates that the data is reliable. The vehicle's infotainment system sends the target pressure value to the tire pressure monitoring system and the air pump simultaneously. The air pump inflates the tires according to the target pressure value, and the tire pressure monitoring system monitors the actual tire pressure simultaneously, ensuring that the air pump and the vehicle's tire pressure monitoring are synchronized during the inflation process, thus improving inflation accuracy.

[0010] In one embodiment of the present invention, adjusting the inflation control strategy of the vehicle unit according to the first comparison result further includes: if the deviation value is greater than or equal to a preset deviation threshold, controlling the vehicle unit to alarm.

[0011] Compared with existing technologies, the technical effects achieved by this solution are as follows: when the deviation between the two data sources is too large, i.e., when the data is unreliable, the vehicle system will trigger an alarm to promptly notify the user of the data anomaly, avoiding inflation operations based on erroneous data and preventing the safety hazard of blindly inflating when the data is unreliable.

[0012] In one embodiment of the present invention, the method further includes: when the deviation value is less than a preset deviation threshold, controlling the vehicle to calibrate the first real-time tire pressure or the second real-time tire pressure; and using the calibrated first real-time tire pressure or the calibrated second real-time tire pressure as the initial inflation value of the air pump.

[0013] Compared with existing technologies, the technical effects achieved by adopting this technical solution are as follows: by calibrating the first real-time tire pressure and the second real-time tire pressure, and using the calibrated value as the initial inflation value, the slight deviation of the two data sources is further eliminated, preventing the accumulation of initial value errors in the initial inflation stage, improving the accuracy of inflation data from the starting point, and ensuring that the final tire pressure is closer to the target value.

[0014] In one embodiment of the present invention, after controlling the air pump to perform inflation based on the target pressure value, the control method further includes: setting a safety pressure upper limit; comparing the target pressure value with the safety pressure upper limit; if the target pressure value is greater than the safety pressure upper limit, controlling the vehicle system to alarm and prohibiting the air pump from inflating; if the target pressure value is less than the safety pressure upper limit, during the inflation process, continuously receiving first pressure data sent by the tire pressure monitoring system at a first time interval and second pressure data sent by the air pump at a second time interval.

[0015] Compared with existing technologies, the technical effects achieved by this solution are as follows: By setting a tire safety pressure upper limit independent of user operation, the system first compares the user-set target pressure value with this safety upper limit, and then executes control according to different scenarios: If the target pressure value exceeds the safety upper limit, an alarm is immediately triggered and the air pump is prohibited from starting, cutting off the risk of over-inflation and tire blowout caused by the user mistakenly setting a high target value from the very beginning of the inflation process; If the target pressure value is within the safe range, it continuously receives real-time pressure data from both the tire pressure monitoring system and the air pump, providing comprehensive data support for subsequent precise control steps such as tire pressure calibration and compliance judgment; At the same time, it clearly prioritizes tire safety attributes over user-set control logic, upgrading the inflation system from passively executing commands to actively ensuring safety, significantly improving the safety and standardization of the control process.

[0016] In one embodiment of the present invention, the control method further includes: controlling the vehicle to receive: a first compliance signal sent by the tire pressure monitoring system during the inflation process and receiving a second compliance signal sent by the air pump; wherein the first compliance signal is generated by the tire pressure monitoring system when the first pressure data it detects reaches the target pressure value; and the second compliance signal is generated by the air pump when the second pressure data it detects reaches the target pressure value.

[0017] Compared with existing technologies, the technical effects achieved by this solution are as follows: when the tire pressure monitoring system detects that the first pressure data has reached the target pressure value, it will send a first compliance signal to the vehicle's infotainment system; and when the air pump detects that the second pressure data has reached the target pressure value, it will send a second compliance signal to the vehicle's infotainment system. By introducing compliance signals generated by the tire pressure monitoring system and the air pump, a dual-signal confirmation mechanism is introduced to prevent the problem of unreliable judgment by a single signal, providing a basis for stopping inflation and reducing underinflation or overinflation caused by errors of a single sensor.

[0018] In one embodiment of the present invention, the control method further includes: in response to the received first compliance signal, controlling the vehicle to output a prompt message indicating that inflation is complete.

[0019] Compared with existing technologies, the technical effects achieved by adopting this technical solution are as follows: based on the first qualified signal of the tire pressure monitoring system, the completion prompt is triggered, ensuring that the inflation completion information received by the user is more accurate, thereby improving the user experience and inflation reliability.

[0020] In one embodiment of the present invention, the control method further includes: generating inflation progress information based on the first real-time tire pressure and the target pressure value; and controlling the vehicle to draw an inflation progress bar on the display interface according to the inflation progress information.

[0021] Compared with existing technologies, the technical effects achieved by adopting this solution are: by generating and displaying an inflation progress bar through the vehicle's infotainment system, users can monitor the inflation status in real time, thereby improving operational convenience and user experience.

[0022] In one embodiment of the present invention, user operation includes at least one of the following methods: the user issues an inflation command to the vehicle system via a mobile phone; the user issues an inflation command to the vehicle system via the vehicle system screen; the user issues an inflation command to the vehicle system via voice input.

[0023] Compared with existing technologies, the technical effects achieved by adopting this technical solution are: providing multiple convenient interaction entry points (mobile phone, screen, voice), allowing users to choose the most convenient method according to the scenario, realizing diversified operation, covering different usage scenarios, and improving operational flexibility and convenience.

[0024] In one embodiment of the present invention, a vehicle is also provided, which can implement the control method in any of the above embodiments. The vehicle includes: a vehicle-mounted unit; a tire pressure monitoring system connected to the vehicle-mounted unit; and an air pump communicatively connected to the vehicle-mounted unit.

[0025] Compared with existing technologies, the technical effects achieved by adopting this technical solution are: it can achieve the technical effects in any of the above examples, which will not be elaborated here.

[0026] By adopting the technical solution of the present invention, the following technical effects can be achieved: (1) This invention introduces a dual data source comparison mechanism by introducing the first real-time tire pressure of the tire pressure monitoring system and the second real-time tire pressure of the air pump. By comparing the deviation value of the first real-time tire pressure and the second real-time tire pressure with the preset deviation threshold, the inflation control strategy of the vehicle is dynamically adjusted; thus reducing the impact of data error on inflation results from the source. (2) In this invention, when the deviation between the two data sources is small, it means that the data is reliable. The vehicle unit sends the target pressure value to the tire pressure monitoring system and the air pump simultaneously. The air pump inflates according to the target pressure value, and the tire pressure monitoring system monitors the actual tire pressure simultaneously. This ensures that the air pump and the vehicle tire pressure monitoring are synchronized during the inflation process, thereby improving inflation accuracy. When the deviation between the two data sources is too large, that is, when the data is unreliable, the vehicle unit triggers an alarm to promptly remind the user of the abnormal data and avoid inflating based on erroneous data, so as to prevent the safety hazard of blindly inflating when the data is unreliable. (3) In this invention, when the tire pressure monitoring system detects that the first real-time tire pressure has reached the target pressure value, it will send a first compliance signal to the vehicle's computer, and when the air pump detects that the second real-time tire pressure has reached the target pressure value, it will send a second compliance signal to the vehicle's computer. By using the compliance signals generated by the tire pressure monitoring system and the air pump, a dual signal confirmation mechanism is introduced to prevent the problem of unreliable judgment by a single signal, and to provide a dual basis for stopping inflation, thereby reducing inflation failure or over-inflation caused by error of a single sensor. Attached Figure Description

[0027] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Figure 1 A flowchart illustrating a control method for controlling the operation of an air pump via a vehicle-mounted control unit, as provided in an embodiment of the present invention; Figure 2 This is an interactive timing diagram of a control method for controlling the operation of an air pump via a vehicle-mounted terminal, provided in an embodiment of the present invention. Figure 3 A module diagram of a vehicle provided in an embodiment of the present invention.

[0028] Explanation of reference numerals in the attached figures: 100. Vehicle; 10. Vehicle infotainment module; 20. Tire pressure monitoring system module; 30. Air pump module; 40. Instrument module. Detailed Implementation

[0029] Embodiments of the present invention will now be described in detail. Examples of these embodiments are illustrated 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 are only used to explain the present invention, and should not be construed as limiting the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0030] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a link, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0031] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0032] See Figure 1 , Figure 1 A flowchart illustrating a control method for controlling the operation of an air pump via a vehicle-mounted control unit, as provided in this embodiment of the invention; combined with... Figure 2 Specifically, a control method for controlling the operation of an air pump via a vehicle-mounted system includes: S1: In response to user operation, control the vehicle system to obtain the first real-time tire pressure from the tire pressure monitoring system and the second real-time tire pressure from the air pump; S2: The vehicle control system calculates the deviation between the first real-time tire pressure and the second real-time tire pressure; S3: Compare the deviation value with the preset deviation threshold to obtain the first comparison result; S4: Based on the first comparison result, adjust the inflation control strategy of the vehicle system.

[0033] Preferably, the tire pressure monitoring system is a Tire Pressure Monitoring System, i.e., a TPMS system.

[0034] Specifically, when the user selects to inflate the left front tire on the vehicle's infotainment system interface, the system responds and obtains the current first and second real-time tire pressures of the left front tire from the tire pressure monitoring system and the air pump. The system calculates the deviation between the first and second real-time tire pressures and then compares the deviation with a preset deviation threshold, adjusting the system's inflation control strategy based on the comparison results.

[0035] Furthermore, based on the first comparison results, the vehicle's inflation control strategy is adjusted, including: If the deviation value is less than the preset deviation threshold, the vehicle control unit sends the target pressure value to the tire pressure monitoring system and the air pump. The system controls the air pump to inflate the tires based on the target pressure value and controls the tire pressure monitoring system to monitor tire pressure in real time.

[0036] Furthermore, based on the first comparison results, adjusting the vehicle's inflation control strategy also includes: If the deviation value is greater than or equal to the preset deviation threshold, the vehicle's alarm system will be activated.

[0037] For example, a preset deviation threshold is defined as 0.1 Bar. When the first real-time tire pressure is 2.0 Bar and the second real-time tire pressure is 1.98 Bar, the deviation value is the absolute value of the first and second real-time tire pressures, i.e., the deviation value is equal to 0.02 Bar. At this time, the deviation value is less than the preset deviation threshold, which means that the data of the first and second real-time tire pressures are reliable and within an acceptable safety range. They can be used as reference data for reading tire pressure data during subsequent inflation. Based on this, the vehicle's infotainment system sends a start message to the inflation pump via Bluetooth, CAN signal, or Ethernet. The start message contains the target pressure value. At the same time, it also sends information to the tire pressure monitoring system to trigger the tire pressure monitoring system to enter a real-time monitoring state coordinated with inflation.

[0038] Conversely, when the deviation value is greater than or equal to the preset deviation threshold, it means that at least one of the two real-time tire pressures monitored by the tire pressure monitoring system and the second real-time tire pressure monitored by the air pump is incorrect, making the data unreliable. Since the vehicle's infotainment system cannot confirm which data is accurate, the entire inflation process is based on unreliable data, which is extremely risky. Therefore, the vehicle's infotainment system needs to issue an alarm to remind the driver to check the data.

[0039] Furthermore, the control methods also include: When the deviation value is less than the preset deviation threshold, the vehicle control unit calibrates the first real-time tire pressure or the second real-time tire pressure. Use the calibrated first real-time tire pressure or the calibrated second real-time tire pressure as the initial inflation value for the air pump.

[0040] Specifically, since the tire pressure monitoring system and the air pump are two different monitoring terminals, there may be a monitoring deviation when they monitor the same tire, that is, the first real-time tire pressure is not equal to the second real-time tire pressure. Therefore, when the deviation value is within the reliable data, the vehicle's system will perform data calibration on the tire pressure monitoring system and the air pump, and use the calibrated tire pressure as the initial value for subsequent inflation to reduce errors.

[0041] Optionally, the vehicle control system can use a weighted average method to calibrate the first and second real-time tire pressures, but no examples will be given here.

[0042] Furthermore, after controlling the air pump to perform the inflation action according to the target pressure value, the control method also includes: Set a safety pressure limit; Compare the target pressure value with the upper limit of safe pressure; If the target pressure value exceeds the upper limit of the safe pressure, the vehicle's control unit will sound an alarm and the air pump will be prohibited from inflating. If the target pressure value is less than the upper limit of the safe pressure, during the inflation process, the system continuously receives first pressure data sent by the tire pressure monitoring system at a first time interval and second pressure data sent by the inflation pump at a second time interval.

[0043] It should be noted that the target pressure value is based on user intent, which originates from user operation and represents the pressure the user wants the tire to reach. It may be reasonable or unreasonable. Therefore, setting a safe pressure limit based on the tire is based on the safety design specifications of the tire and the vehicle. By comparing the target pressure value with the safe pressure limit, the tire is selectively inflated.

[0044] Specifically, before initiating inflation control, the vehicle's infotainment system first reads the current tire's safe pressure limit from the vehicle's preset tire parameter database. Then, it compares the safe pressure limit with the target pressure value. If the target pressure value is greater than the safe pressure limit, it indicates that the user's inflation intention has exceeded the safe range, and the vehicle's infotainment system will immediately issue an alarm and prohibit the air pump from inflating. If the target pressure value is less than the safe pressure limit, it indicates that the user's inflation intention is within the safe range, and inflation can proceed, entering the subsequent inflation and real-time monitoring process.

[0045] Once the target pressure value is determined to be safe, i.e., when the target pressure value is less than the upper limit of the safe pressure, during the inflation process, the vehicle's infotainment system continuously receives first pressure data sent by the tire pressure monitoring system at a first time interval and second pressure data sent by the inflation pump at a second time interval; the first pressure data and the second pressure data are real-time updated tire pressure values.

[0046] The first time interval is equal to the second time interval to ensure that the pressure data received by the vehicle's infotainment system can be updated synchronously.

[0047] Furthermore, the control methods also include: The vehicle control unit receives a first compliance signal sent by the tire pressure monitoring system during the inflation process and a second compliance signal sent by the air pump. The first compliance signal is generated by the tire pressure monitoring system when the first pressure data it detects reaches the target pressure value; The second compliance signal is generated by the air pump when the second pressure data it detects reaches the target pressure value.

[0048] Specifically, when the target pressure value is less than the upper limit of the safe pressure, it means that during the inflation process, the first pressure data and the second pressure data will reach the target pressure value first, and then the inflation pump will stop operating. Therefore, the vehicle's system receives the first compliance signal sent by the tire pressure monitoring system and the second compliance signal sent by the inflation pump in parallel, and uses one of the first compliance signal and the second compliance signal as the trigger condition for stopping the inflation pump.

[0049] Furthermore, the control methods also include: In response to the first qualified signal received, the vehicle control unit outputs a prompt message indicating that inflation is complete.

[0050] Specifically, the first pass signal sent by the tire pressure monitoring system is used as the basis for determining that inflation is complete; once the vehicle's infotainment system receives the first pass signal, it immediately determines that the inflation task is over; then, the vehicle's infotainment system outputs an inflation completion prompt message; the prompt message includes playing an inflation completion prompt tone and displaying a completion prompt on the vehicle's infotainment system screen.

[0051] It should be noted that even when correcting the data for the first real-time tire pressure of the tire pressure monitoring system and the second real-time tire pressure of the air pump, since the tire pressure monitoring system and the air pump are two different monitoring terminals, the monitoring data of the two may increase asynchronously or with differences during the inflation process. Since the tire pressure monitoring system is a tire pressure sensor that is originally equipped with the vehicle at the factory, its design and calibration are directly related to the whole vehicle system and represent the legally mandated tire pressure reading of the vehicle. Therefore, the first qualified signal is selected as the final basis for judging the completion of inflation to ensure that the value displayed on the vehicle's infotainment system and instrument panel after inflation is consistent with the tire pressure sensed by the vehicle itself.

[0052] Furthermore, the control methods also include: Based on the first real-time tire pressure and the target pressure value, inflation progress information is generated; Based on the inflation progress information, the vehicle control system draws an inflation progress bar on the display interface.

[0053] Specifically, the vehicle's infotainment system calculates the inflation progress based on the first real-time tire pressure and the target pressure value, thereby generating inflation progress information. Based on the inflation progress information, the system draws and updates the inflation progress bar on the instrument panel or central control screen, allowing users to intuitively understand the inflation status.

[0054] Furthermore, user operations include at least one of the following methods: Users can send inflation commands to the vehicle's infotainment system via their mobile phones; Users can send inflation commands to the vehicle's infotainment system via the vehicle's screen. Users can issue inflation commands to the vehicle's infotainment system via voice input.

[0055] In summary, please refer to Figure 2 In a specific example, the target pressure value is defined as 2.5 Bar; the preset deviation threshold is defined as 0.1 Bar; the first time interval and the second time interval are both defined as 100 ms; and the upper limit of the safe pressure is defined as 3.0 Bar. When the user sends a voice command to the vehicle's infotainment system, "Inflate the left front tire to 2.5 Bar," the vehicle's infotainment system sends a request for the current tire pressure signal to the tire pressure monitoring system and the air pump. After receiving the request from the vehicle's infotainment system, the tire pressure monitoring system and the air pump return the current pressure value of the left front tire, namely the first real-time tire pressure and the second real-time tire pressure. The vehicle's infotainment system compares the first real-time tire pressure and the second real-time tire pressure to calculate the deviation value between them. The obtained first real-time tire pressure is 2.0 Bar; the obtained second real-time tire pressure is 1.98 Bar; the deviation value is equal to 0.02 Bar. If the deviation value is less than the preset deviation threshold, it means that the first real-time tire pressure and the second real-time tire pressure data are reliable.

[0056] The vehicle's infotainment system further transmits messages to the tire pressure monitoring system and the air pump via CAN signal. These messages include a target pressure value of 2.5 Bar. Upon receiving the target pressure value, it compares it to the upper limit of the safe pressure. The air pump only begins inflating when the target pressure value is less than the upper limit. The tire pressure monitoring system continuously monitors the system. Simultaneously, a real-time monitoring phase begins, with the tire pressure monitoring system sending first pressure data to the vehicle's infotainment system every 100ms. The air pump sends second pressure data every 100ms, meaning both systems transmit pressure data at the same frequency. The vehicle's infotainment system then compares the deviation between the received first and second pressure data with a preset deviation value. If the deviation is greater than or equal to the preset threshold during monitoring, an alarm is triggered. If the deviation remains below the preset threshold, inflation proceeds normally. Simultaneously, the vehicle generates inflation progress information, which is displayed as a progress bar on the vehicle's dashboard.

[0057] Furthermore, when the first pressure data reaches the target pressure value, the tire pressure monitoring system will send a first compliance signal to the vehicle's infotainment system; and when the second pressure data reaches the target pressure value, the air pump will send a second compliance signal to the vehicle's infotainment system; finally, the vehicle's infotainment system will use the first compliance signal as the final reference information and issue an inflation completion prompt message.

[0058] Furthermore, the control methods also include: The vehicle's control unit records the inflation data of any tire at any given time. Generate tire health reports based on inflation data; If the tire health report shows abnormal data, the user will be prompted to perform tire maintenance.

[0059] The inflation data includes: the pressure of each inflation, the inflation time, and the time interval between two adjacent inflations.

[0060] For further information, please refer to [link / reference]. Figure 3 The present invention also provides a vehicle 100 capable of implementing the control method in any of the above examples; the vehicle 100 includes: a vehicle infotainment module 10, a tire pressure monitoring system module 20, and an air pump module 30; the tire pressure monitoring system 20 is connected to the vehicle infotainment module 10 via a CAN bus for transmitting tire pressure signals; the air pump module 30 is communicatively connected to the vehicle infotainment module 10.

[0061] Optionally, the air pump module 30 and the vehicle infotainment module 10 are connected via Bluetooth.

[0062] Furthermore, the vehicle 100 also includes an instrument module 40; the instrument module 40 is connected to the vehicle infotainment module 10 via a CAN bus.

[0063] While the present invention has been disclosed above, it is not limited thereto. Any person skilled in the art can make various modifications and alterations without departing from the spirit and scope of the invention; therefore, the scope of protection of the present invention should be determined by the scope defined in the claims.

Claims

1. A control method for controlling the operation of an air pump on a vehicle-mounted control unit, characterized in that, include: In response to user input, the vehicle's infotainment system obtains a first real-time tire pressure from the tire pressure monitoring system and a second real-time tire pressure from the air pump. The vehicle's infotainment system calculates the deviation between the first real-time tire pressure and the second real-time tire pressure. The deviation value is compared with a preset deviation threshold to obtain a first comparison result; Based on the first comparison result, adjust the inflation control strategy of the vehicle system; The step of adjusting the inflation control strategy of the vehicle system based on the first comparison result includes: If the deviation value is less than the preset deviation threshold, the vehicle control unit sends the target pressure value to the tire pressure monitoring system and the air pump. The air pump is controlled to perform inflation based on the target pressure value, and the tire pressure monitoring system is controlled to perform real-time tire pressure monitoring. The step of adjusting the inflation control strategy of the vehicle system based on the first comparison result further includes: If the deviation value is greater than or equal to the preset deviation threshold, then control the vehicle system to alarm; After controlling the air pump to perform the inflation action according to the target pressure value, the control method further includes: Set a safety pressure limit; Compare the target pressure value with the upper limit of the safe pressure; If the target pressure value is greater than the upper limit of the safe pressure, the vehicle's infotainment system will be activated to sound an alarm, and the air pump will be prohibited from inflating. If the target pressure value is less than the upper limit of the safe pressure, then during the inflation process, the system continuously receives first pressure data sent by the tire pressure monitoring system at a first time interval and second pressure data sent by the inflation pump at a second time interval. The vehicle system will compare the deviation between the first and second pressure data received synchronously with a preset deviation threshold. If the deviation is greater than or equal to the preset deviation threshold during actual monitoring, an alarm will be triggered. If the deviation remains less than the preset deviation threshold during monitoring, the vehicle system will receive a first compliance signal sent by the tire pressure monitoring system and a second compliance signal sent by the air pump during inflation. The first compliance signal is generated by the tire pressure monitoring system when the first pressure data it detects reaches the target pressure value. The second compliance signal is generated by the air pump when the second pressure data it detects reaches the target pressure value. One of the first and second compliance signals will be used as the trigger condition for stopping the air pump.

2. The control method according to claim 1, characterized in that, Also includes: When the deviation value is less than the preset deviation threshold, the vehicle system is controlled to calibrate the first real-time tire pressure or the second real-time tire pressure. The calibrated first real-time tire pressure or the calibrated second real-time tire pressure is used as the initial inflation value of the air pump.

3. The control method according to claim 1, characterized in that, The control method further includes: In response to the received first compliance signal, the vehicle control unit outputs a prompt message indicating that inflation is complete.

4. The control method according to claim 1, characterized in that, The control method further includes: Based on the first real-time tire pressure and the target pressure value, inflation progress information is generated; Based on the inflation progress information, the vehicle control unit draws an inflation progress bar on the display interface.

5. The control method according to claim 1, characterized in that, The user operation includes at least one of the following: The user sends an inflation command to the vehicle's infotainment system via their mobile phone. The user issues an inflation command to the vehicle system via the vehicle's screen; The user issues an inflation command to the vehicle's infotainment system via voice input.

6. A vehicle, characterized in that, Capable of implementing the control method as described in any one of claims 1 to 5; the vehicle includes: In-vehicle infotainment system; The tire pressure monitoring system is connected to the vehicle's infotainment system. An air pump is connected to the vehicle's infotainment system.

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