Air suspension control method, device, equipment and readable storage medium

Abstract

The present invention provides an air suspension control method, device, equipment and readable storage medium. The air suspension control method includes: obtaining height values monitored by height sensors corresponding to each wheel; detecting whether the vehicle is in a lifted state according to the height values; if the vehicle is in a lifted state, controlling the air suspension to enter a maintenance mode. Through the present invention, it can automatically identify whether the vehicle is in a lifted state according to the height values monitored by the height sensors corresponding to each wheel, and if so, automatically control the air suspension to enter the maintenance mode, improving the intelligence of air suspension control.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicle control, and particularly to an air suspension control method, device, equipment and readable storage medium. Background Art

[0002] At present, more and more vehicles are equipped with an air suspension system, which realizes the adjustment of the vehicle body height by inflating and deflating the air spring, so as to balance comfort and passability. However, in some cases, it is necessary to prohibit the operation of the air suspension system, that is, to control it to enter the maintenance mode. In the prior art, generally, it is controlled to enter the maintenance mode by manual operation, and it is easy to occur the situation that the air suspension system is damaged due to human negligence in not turning on the maintenance mode. Summary of the Invention

[0003] The main purpose of the present invention is to provide an air suspension control method, device, equipment and readable storage medium, aiming to solve the technical problem that the method for controlling the air suspension system to enter the maintenance mode in the prior art is not intelligent enough.

[0004] In a first aspect, the present invention provides an air suspension control method, and the air suspension control method includes:

[0005] Obtain the height values monitored by the height sensors corresponding to each wheel;

[0006] Detect whether the vehicle is in a lifted state according to the height values;

[0007] If the vehicle is in a lifted state, control the air suspension to enter the maintenance mode.

[0008] Optionally, the step of detecting whether the vehicle is in a lifted state according to the height values includes:

[0009] Detect whether the growth rates of the height values monitored by the height sensors corresponding to each wheel are all within a first preset rate range;

[0010] If they are all within the first preset rate range, determine that the vehicle is in a lifted state.

[0011] Optionally, the number of wheels is 4, and the step of detecting whether the vehicle is in a lifted state according to the height values includes:

[0012] Detect whether the 4 height values monitored by the height sensors corresponding to the 4 wheels meet a preset condition. If the preset condition is met, determine that the vehicle is in a lifted state, and the preset condition is:

[0013] The difference between the first height value and the fourth height value is greater than a first preset value, the difference between the second height value and the fourth height value is greater than a second preset value, the difference between the third height value and the fourth height value is greater than a third preset value, and the growth rate of the height value monitored by the height sensor corresponding to the first wheel is within a second preset rate range;

[0014] Wherein, the first height value, the second height value, the third height value, and the fourth height value are the height values monitored by the height sensors corresponding to the first wheel, the second wheel, the third wheel, and the fourth wheel at the same moment respectively; the first wheel and the fourth wheel are in a diagonal relationship, the first wheel and the second wheel are in a coaxial relationship, and the third wheel and the fourth wheel are in a coaxial relationship; the first preset value is greater than the second preset value, and the second preset value is greater than the third preset value.

[0015] Optionally, after the step of if the vehicle is in a lifted state, controlling the air suspension to enter the maintenance mode, it further includes:

[0016] When receiving an instruction to exit the maintenance mode, detecting whether the vehicle is in a lifted state;

[0017] If the vehicle is in a lifted state, then do not respond to the instruction to exit the maintenance mode.

[0018] Optionally, the height value is the distance from the wheel center to the lower edge of the wheel arch.

[0019] In a second aspect, the present invention further provides an air suspension control device, and the air suspension control device includes:

[0020] An acquisition module, configured to acquire the height values monitored by the height sensors corresponding to each wheel;

[0021] A detection module, configured to detect whether the vehicle is in a lifted state according to the height value;

[0022] A control module, configured to control the air suspension to enter the maintenance mode if the vehicle is in a lifted state.

[0023] Optionally, the detection module is configured to:

[0024] Detect whether the growth rates of the height values monitored by the height sensors corresponding to each wheel are all within a first preset rate range;

[0025] If all are within the first preset rate range, then determine that the vehicle is in a lifted state.

[0026] Optionally, the number of wheels is 4, and the detection module is configured to:

[0027] Detect whether the 4 height values monitored by the height sensors corresponding to the 4 wheels meet a preset condition. If the preset condition is met, then determine that the vehicle is in a lifted state. The preset condition is:

[0028] The difference between the first height value and the fourth height value is greater than a first preset value, the difference between the second height value and the fourth height value is greater than a second preset value, the difference between the third height value and the fourth height value is greater than a third preset value, and the growth rate of the height value monitored by the height sensor corresponding to the first wheel is within a second preset rate range;

[0029] Wherein, the first height value, the second height value, the third height value, and the fourth height value are the height values monitored by the height sensors corresponding to the first wheel, the second wheel, the third wheel, and the fourth wheel at the same moment respectively; the first wheel and the fourth wheel are in a diagonal relationship, the first wheel and the second wheel are in a coaxial relationship, and the third wheel and the fourth wheel are in a coaxial relationship; the first preset value is greater than the second preset value, and the second preset value is greater than the third preset value.

[0030] Optionally, the control module is further configured to:

[0031] When receiving an instruction to exit the maintenance mode, detect whether the vehicle is in a lifted state;

[0032] If the vehicle is in a lifted state, do not respond to the instruction to exit the maintenance mode.

[0033] Optionally, the height value is the distance from the wheel center to the lower edge of the fender.

[0034] In a third aspect, the present invention further provides an air suspension control device, which includes a processor, a memory, and an air suspension control program stored on the memory and executable by the processor. When the air suspension control program is executed by the processor, the steps of the air suspension control method described above are implemented.

[0035] In a fourth aspect, the present invention further provides a readable storage medium, on which an air suspension control program is stored. When the air suspension control program is executed by a processor, the steps of the air suspension control method described above are implemented.

[0036] In the present invention, the height values monitored by the height sensors corresponding to each wheel are obtained; whether the vehicle is in a lifted state is detected according to the height values; if the vehicle is in a lifted state, the air suspension is controlled to enter the maintenance mode. Through the present invention, it can automatically identify whether the vehicle is in a lifted state according to the height values monitored by the height sensors corresponding to each wheel. If so, the air suspension is automatically controlled to enter the maintenance mode, improving the intelligence of air suspension control. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 It is a schematic flowchart of an embodiment of the air suspension control method of the present invention;

[0038] Figure 2 Schematic diagram of the scenario of lifting a vehicle by a jack in an embodiment of the air suspension control method of the present invention;

[0039] Figure 3 Schematic diagram of the functional modules of an embodiment of the air suspension control device of the present invention;

[0040] Figure 4 Schematic diagram of the hardware structure of the air suspension control device involved in the solution of the embodiment of the present invention.

[0041] The realization, functional characteristics and advantages of the object of the present invention will be further described in conjunction with the embodiments with reference to the accompanying drawings. Detailed implementation manners

[0042] It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0043] In a first aspect, an embodiment of the present invention provides an air suspension control method.

[0044] In one embodiment, referring to Figure 1 , Figure 1 is a schematic flowchart of an embodiment of the air suspension control method of the present invention. As Figure 1 shown, the air suspension control method includes:

[0045] Step S10, obtaining the height values monitored by the height sensors corresponding to each wheel;

[0046] In this embodiment, the height values are monitored by the height sensors corresponding to each vehicle, and the monitoring results are sent to the execution subject of this embodiment, so that the execution subject of this embodiment obtains the height values monitored by the height sensors corresponding to each wheel.

[0047] Step S20, detecting whether the vehicle is in a lifted state according to the height value;

[0048] In this embodiment, considering that in actual maintenance scenarios, the vehicle is generally lifted by a lift or by a jack, therefore, it is necessary to detect whether the vehicle is lifted by a lift and detect whether the vehicle is lifted by a jack according to the height value, so as to determine whether the vehicle is in a lifted state. Specifically, corresponding judgment conditions are set according to the characteristics of the height values when the vehicle is lifted by a lift, and corresponding judgment conditions are set according to the characteristics of the height values when the vehicle is lifted by a jack, so as to detect whether the vehicle is lifted by a lift and detect whether the vehicle is lifted by a jack according to the actually monitored height values and the set judgment conditions, so as to determine whether the vehicle is in a lifted state.

[0049] Further, in one embodiment, step S20 includes:

[0050] Detect whether the growth rates of the height values monitored by the height sensors corresponding to each wheel are all within the first preset rate range; if they are all within the first preset rate range, it is determined that the vehicle is in a lifted state.

[0051] In this embodiment, considering that when the vehicle is lifted by a lift, the height values monitored by the height sensors corresponding to each wheel will increase, and the growth rate will vary depending on the lifting speed. Since the lifting speed of the lift is within a certain range, the first preset rate range can be set according to the range of the lifting speed. When the growth rates of the height values monitored by the height sensors corresponding to each wheel are all within the first preset rate range, it indicates that the vehicle is lifted by the lift, and thus it is determined that the vehicle is in a lifted state.

[0052] Further, in one embodiment, the number of wheels is 4, and step S20 includes:

[0053] Detect whether the 4 height values monitored by the height sensors corresponding to the 4 wheels meet the preset conditions. If they meet the preset conditions, it is determined that the vehicle is in a lifted state. The preset conditions are:

[0054] The difference between the first height value and the fourth height value is greater than the first preset value, the difference between the second height value and the fourth height value is greater than the second preset value, the difference between the third height value and the fourth height value is greater than the third preset value, and the growth rate of the height value monitored by the height sensor corresponding to the first wheel is within the second preset rate range; wherein, the first height value, the second height value, the third height value, and the fourth height value are the height values monitored by the height sensors corresponding to the first wheel, the second wheel, the third wheel, and the fourth wheel at the same moment; the first wheel and the fourth wheel are in a diagonal relationship, the first wheel and the second wheel are in a coaxial relationship, the third wheel and the fourth wheel are in a coaxial relationship; the first preset value is greater than the second preset value, and the second preset value is greater than the third preset value.

[0055] In this embodiment, considering that when the vehicle is lifted by a jack, the height values monitored by the height sensors of each wheel will satisfy a certain rule. Refer to Figure 2 , Figure 2 which is a schematic diagram of the scenario of lifting a vehicle by a jack in an embodiment of the air suspension control method of the present invention. As Figure 2As shown, when the position of the jack is near the right front wheel, it is easy to understand that the height value monitored by the height sensor corresponding to the right front wheel will show a certain growth rate as the jack is lifted. And since the left front wheel and the right front wheel are coaxial, the height value monitored by the height sensor corresponding to the left front wheel will change significantly as the jack is lifted. Since the right rear wheel and the right front wheel are on the same side, the height value monitored by the height sensor corresponding to the right rear wheel will change slightly as the jack is lifted. Since the left rear wheel and the right front wheel are in focus, the height value monitored by the height sensor corresponding to the left rear wheel will hardly change as the jack is lifted. Based on this, there is:

[0056] The height value monitored by the height sensor corresponding to the right front wheel will have a certain growth rate, the difference between the height value monitored by the height sensor corresponding to the right front wheel and the height value monitored by the height sensor corresponding to the left rear wheel is at a relatively large level, the difference between the height value monitored by the height sensor corresponding to the left front wheel and the height value monitored by the height sensor corresponding to the left rear wheel is at a general level, and the difference between the height value monitored by the height sensor corresponding to the right rear wheel and the height value monitored by the height sensor corresponding to the left rear wheel is very small.

[0057] Based on the above rules, it is possible to detect whether there is a wheel (denoted as the first wheel) whose growth rate of the height value monitored by the height sensor corresponding to it is within the second preset rate range, and to detect whether the first height value, the second height value, the third height value, and the fourth height value monitored by the four height sensors corresponding to the first wheel, the second wheel, the third wheel, and the fourth wheel at the same time meet the following conditions:

[0058] The difference between the first height value and the fourth height value is greater than the first preset value, the difference between the second height value and the fourth height value is greater than the second preset value, the difference between the third height value and the fourth height value is greater than the third preset value, and the growth rate of the height value monitored by the height sensor corresponding to the first wheel is within the second preset rate range. Wherein, the first height value, the second height value, the third height value, and the fourth height value are respectively the height values monitored by the height sensors corresponding to the first wheel, the second wheel, the third wheel, and the fourth wheel at the same time; the first wheel and the fourth wheel are in a diagonal relationship, the first wheel and the second wheel are in a coaxial relationship, and the third wheel and the fourth wheel are in a coaxial relationship; the first preset value is greater than the second preset value, and the second preset value is greater than the third preset value.

[0059] It should be noted that the specific values of the first preset value, the second preset value, and the third preset value are not limited here and are specifically set according to actual needs. And when setting, it is necessary to follow the principle that the first preset value is greater than the second preset value and the second preset value is greater than the third preset value.

[0060] Step S30: If the vehicle is in a lifted state, control the air suspension to enter the maintenance mode.

[0061] In this embodiment, if it is determined according to Step S20 that the vehicle is in a lifted state, control the air suspension to enter the maintenance mode. Among them, controlling the air suspension to enter the maintenance mode means prohibiting all functions of the air suspension system.

[0062] It should be noted that the air suspension system (i.e., the air suspension mentioned above) identifies the vehicle body height based on the signal value of the height sensor. When the vehicle body height is higher than the set height value, the air suspension system will control the air suspension air supply module to deflate to lower the vehicle body height. When a vehicle equipped with an air suspension is lifted by a lift or a jack, if the air suspension system does not enter the maintenance mode and it is recognized that the vehicle body height is higher than the set height, the air suspension air supply module will be controlled to deflate. Due to structural limitations of the air spring, when the vehicle is in a lifted state, the air spring will be in the maximum stretched state. At this time, if the gas in the air spring is released, the air spring may be detached from the mounting hole due to the pressure reduction. After the vehicle is lowered from the lift, because the air spring was previously detached from the mounting position, there is a certain probability that the air spring will not align with the mounting hole. In this way, the air spring may be damaged during the subsequent driving of the vehicle.

[0063] It can be seen that when it is necessary to lift the vehicle by a lift or a jack, if one forgets to control the air suspension to enter the maintenance mode, it is very likely to cause damage to the air spring. And the method of simply relying on manual operation to control the air suspension to enter the maintenance mode is very easy to forget to control the air suspension to enter the maintenance mode due to the negligence of the operator.

[0064] In this embodiment, obtain the height values monitored by the height sensors corresponding to each wheel; detect whether the vehicle is in a lifted state according to the height values; if the vehicle is in a lifted state, control the air suspension to enter the maintenance mode. Through this embodiment, it can automatically identify whether the vehicle is in a lifted state according to the height values monitored by the height sensors corresponding to each wheel. If so, it automatically controls the air suspension to enter the maintenance mode, improving the intelligence of air suspension control and avoiding the situation where the air spring is damaged due to human negligence forgetting to control the air suspension to enter the maintenance mode when the vehicle is in a lifted state.

[0065] Further, in one embodiment, after Step S30, it further includes:

[0066] When receiving an instruction to exit the maintenance mode, detect whether the vehicle is in a lifted state; if the vehicle is in a lifted state, do not respond to the instruction to exit the maintenance mode.

[0067] When the air suspension is in the maintenance mode, all its functions are prohibited. Subsequently, in order to ensure that the air suspension can work properly when the vehicle is in a normal state, it is necessary to set a triggering method for the instruction to exit the maintenance mode for the air suspension to exit the maintenance mode. Among them, the set triggering methods for the instruction to exit the maintenance mode are, for example, triggering the instruction to exit the maintenance mode when the vehicle speed is greater than a preset vehicle speed, or triggering the instruction to exit the maintenance mode when it is detected that the soft / hard switch is operated.

[0068] In this embodiment, when receiving the instruction to exit the maintenance mode (triggered due to the vehicle speed being greater than the preset vehicle speed or detecting that the soft / hard switch is operated), the air suspension is not directly controlled to exit the maintenance mode, but it is necessary to determine whether the conditions for exiting the maintenance mode are met. Specifically, when receiving the instruction to exit the maintenance mode, it is detected whether the vehicle is in the lifted state. If the vehicle is still in the lifted state, the instruction to exit the maintenance mode is not responded to, that is, the air suspension remains in the maintenance mode.

[0069] Among them, for the scenario of lifting by a lift, generally only professional maintenance sites are equipped with a lift, and generally a camera is configured to monitor the maintenance scenario. Therefore, when it is determined that the vehicle is in the lifted state because it is lifted by a lift, the image data captured by the corresponding camera is obtained, and it is determined whether the vehicle has exited the lifted state according to the image data. Or, after it is determined that the vehicle is in the lifted state because it is lifted by a lift, the state of the lift is monitored. If it is detected that the lift has returned to the initial position, it is determined that the vehicle has exited the lifted state, otherwise it is determined that the vehicle is still in the lifted state.

[0070] For the scenario of lifting by a jack, since a jack is generally used at a specific part of the vehicle bottom, when lifting the vehicle, the pressure value of this specific part will be very large. Therefore, the pressure value of this specific part can be monitored. When it is detected that the pressure value of the specific part is less than the preset value, it means that the jack is no longer used to lift the vehicle, that is, the vehicle has exited the lifted state, otherwise it is determined that the vehicle is still in the lifted state.

[0071] Further, in one embodiment, the height value is the distance from the wheel center to the lower edge of the fender.

[0072] In this embodiment, in order to more accurately judge whether the vehicle is in the lifted state, the height value monitored by the height sensor is the distance from the wheel center to the lower edge of the fender (such as Figure 2 L1 to L4), rather than the distance from the wheel center to the ground.

[0073] In a second aspect, an embodiment of the present invention further provides an air suspension control device.

[0074] In one embodiment, referring to Figure 3 , Figure 3Schematic diagram of functional modules of an embodiment of the air suspension control device of the present invention. As Figure 3 shown, the air suspension control device includes:

[0075] An acquisition module 10, configured to acquire the height values monitored by the height sensors corresponding to each wheel;

[0076] A detection module 20, configured to detect whether the vehicle is in a lifted state according to the height value;

[0077] A control module 30, configured to control the air suspension to enter the maintenance mode if the vehicle is in a lifted state.

[0078] Optionally, the detection module 20 is configured to:

[0079] Detect whether the growth rates of the height values monitored by the height sensors corresponding to each wheel are all within a preset rate range;

[0080] If they are all within the preset rate range, determine that the vehicle is in a lifted state.

[0081] Optionally, the number of wheels is 4, and the detection module 20 is configured to:

[0082] Detect whether the 4 height values monitored by the height sensors corresponding to the 4 wheels meet a preset condition. If the preset condition is met, determine that the vehicle is in a lifted state. The preset condition is:

[0083] The difference between the first height value and the fourth height value is greater than a first preset value, the difference between the second height value and the fourth height value is greater than a second preset value, and the difference between the third height value and the fourth height value is greater than a third preset value;

[0084] Wherein, the first height value is the height value monitored by the height sensor corresponding to the first wheel, the second height value is the height value monitored by the height sensor corresponding to the second wheel, the third height value is the height value monitored by the height sensor corresponding to the third wheel, the fourth height value is the height value monitored by the height sensor corresponding to the fourth wheel. The first wheel and the fourth wheel are in a diagonal relationship, the first wheel and the second wheel are in a coaxial relationship, and the third wheel and the fourth wheel are in a coaxial relationship.

[0085] Optionally, the control module 30 is further configured to:

[0086] When receiving an instruction to exit the maintenance mode, detect whether the vehicle is in a lifted state;

[0087] If the vehicle is in a lifted state, do not respond to the instruction to exit the maintenance mode.

[0088] Optionally, the height value is the distance from the wheel center to the lower edge of the wheel arch.

[0089] Among them, the functions of each module in the above air suspension control device correspond to the steps in the above embodiments of the air suspension control method, and their functions and implementation processes will not be elaborated here one by one.

[0090] In a third aspect, an embodiment of the present invention provides an air suspension control device.

[0091] Referring to Figure 4 , Figure 4 , which is a schematic diagram of the hardware structure of the air suspension control device involved in the embodiment of the present invention. In the embodiment of the present invention, the air suspension control device may include a processor 1001 (such as a Central Processing Unit, CPU), a communication bus 1002, a user interface 1003, a network interface 1004, and a memory 1005. Among them, the communication bus 1002 is used to realize the connection and communication between these components; the user interface 1003 may include a display screen (Display) and an input unit such as a keyboard (Keyboard); the network interface 1004 may optionally include a standard wired interface and a wireless interface (such as a Wireless-Fidelity, WI-FI interface); the memory 1005 may be a high-speed random access memory (random access memory, RAM), or a stable memory (non-volatile memory), such as a disk memory, and the memory 1005 may optionally also be a storage device independent of the aforementioned processor 1001. Those skilled in the art can understand that Figure 4 the hardware structure shown in

[0092] does not constitute a limitation to the present invention, and may include more or fewer components than shown in the figure, or combine certain components, or have different component arrangements. Figure 4 , Figure 4 in the memory 1005, as a computer storage medium, may include an operating system, a network communication module, a user interface module, and an air suspension control program.

[0093] Among them, the processor 1001 may call the air suspension control program stored in the memory 1005 and execute the following steps:

[0094] Obtain the height values monitored by the height sensors corresponding to each wheel; detect whether the vehicle is in a lifted state according to the height values; if the vehicle is in a lifted state, control the air suspension to enter the maintenance mode.

[0095] Further, in an embodiment, the processor 1001 may call the air suspension control program stored in the memory 1005 and further execute the following steps:

[0096] Detect whether the growth rates of the height values monitored by the height sensors corresponding to each wheel are all within the first preset rate range;

[0097] If they are all within the first preset rate range, determine that the vehicle is in a lifted state.

[0098] Further, in one embodiment, the number of wheels is 4, and the processor 1001 can call the air suspension control program stored in the memory 1005 and further perform the following steps:

[0099] Detect whether the 4 height values monitored by the height sensors corresponding to the 4 wheels meet the preset conditions. If they meet the preset conditions, determine that the vehicle is in a lifted state. The preset conditions are:

[0100] The difference between the first height value and the fourth height value is greater than the first preset value, the difference between the second height value and the fourth height value is greater than the second preset value, the difference between the third height value and the fourth height value is greater than the third preset value, and the growth rate of the height value monitored by the height sensor corresponding to the first wheel is within the second preset rate range;

[0101] Wherein, the first height value, the second height value, the third height value, and the fourth height value are the height values monitored by the height sensors corresponding to the first wheel, the second wheel, the third wheel, and the fourth wheel at the same moment respectively; the first wheel and the fourth wheel are in a diagonal relationship, the first wheel and the second wheel are in a coaxial relationship, and the third wheel and the fourth wheel are in a coaxial relationship; the first preset value is greater than the second preset value, and the second preset value is greater than the third preset value.

[0102] Further, in one embodiment, the processor 1001 can call the air suspension control program stored in the memory 1005 and further perform the following steps:

[0103] When receiving an instruction to exit the maintenance mode, detect whether the vehicle is in a lifted state;

[0104] If the vehicle is in a lifted state, do not respond to the instruction to exit the maintenance mode.

[0105] Further, in one embodiment, the height value is the distance from the wheel center to the lower edge of the fender.

[0106] Wherein, for the method implemented when the air suspension control program is executed, reference can be made to the various embodiments of the air suspension control method of the present invention, which will not be elaborated here.

[0107] Fourthly, an embodiment of the present invention further provides a readable storage medium.

[0108] In this embodiment, an air suspension control program is stored on the readable storage medium. When the air suspension control program is executed by a processor, the following steps are implemented:

[0109] Obtain the height values monitored by the height sensors corresponding to each wheel;

[0110] Detect whether the vehicle is in a lifted state based on the height values;

[0111] If the vehicle is in a lifted state, control the air suspension to enter the maintenance mode.

[0112] Further, in one embodiment, when the air suspension control program is executed by a processor, the following steps are further implemented:

[0113] Detect whether the growth rates of the height values monitored by the height sensors corresponding to each wheel are all within the first preset rate range;

[0114] If all are within the first preset rate range, determine that the vehicle is in a lifted state.

[0115] Further, in one embodiment, the number of wheels is 4, and when the air suspension control program is executed by a processor, the following steps are further implemented:

[0116] Detect whether the 4 height values monitored by the height sensors corresponding to the 4 wheels meet the preset conditions. If the preset conditions are met, determine that the vehicle is in a lifted state. The preset conditions are:

[0117] The difference between the first height value and the fourth height value is greater than the first preset value, the difference between the second height value and the fourth height value is greater than the second preset value, the difference between the third height value and the fourth height value is greater than the third preset value, and the growth rate of the height value monitored by the height sensor corresponding to the first wheel is within the second preset rate range;

[0118] Wherein, the first height value, the second height value, the third height value, and the fourth height value are the height values monitored by the height sensors corresponding to the first wheel, the second wheel, the third wheel, and the fourth wheel at the same moment respectively; the first wheel and the fourth wheel are in a diagonal relationship, the first wheel and the second wheel are in a coaxial relationship, the third wheel and the fourth wheel are in a coaxial relationship; the first preset value is greater than the second preset value, and the second preset value is greater than the third preset value.

[0119] Further, in one embodiment, when the air suspension control program is executed by a processor, the following steps are further implemented:

[0120] When receiving an instruction to exit the maintenance mode, detect whether the vehicle is in a lifted state;

[0121] If the vehicle is in a lifted state, do not respond to the instruction to exit the maintenance mode.

[0122] Further, in one embodiment, the height value is the distance from the wheel center to the lower edge of the fender.

[0123] Among them, the method implemented when the air suspension control program is executed can refer to the various embodiments of the air suspension control method of the present invention, which will not be elaborated here.

[0124] It should be noted that in this article, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or system including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or system. Without further limitation, an element defined by the statement "including one..." does not exclude the existence of additional identical elements in the process, method, article or system including the element.

[0125] The serial numbers of the above embodiments of the present invention are only for description and do not represent the superiority or inferiority of the embodiments.

[0126] Through the description of the above embodiments, those skilled in the art can clearly understand that the above embodiment methods can be implemented by means of software plus a necessary general hardware platform. Of course, they can also be implemented by hardware, but in many cases the former is a better implementation method. Based on such an understanding, the technical solution of the present invention, in essence or the part that contributes to the prior art, can be embodied in the form of a software product. The computer software product is stored in a storage medium as described above (such as ROM / RAM, magnetic disk, optical disc), and includes several instructions for causing a terminal device to execute the methods described in the various embodiments of the present invention.

[0127] The above are only the preferred embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structure or equivalent process transformation made by using the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present invention.

Claims

1. An air suspension control method, characterized in that, the air suspension control method includes: Obtaining the height values monitored by the height sensors corresponding to each wheel; Detecting whether the vehicle is in a lifted state according to the height values; If the vehicle is in a lifted state, controlling the air suspension to enter the maintenance mode, wherein after the air suspension enters the maintenance mode, all functions of the air suspension system are prohibited; The step of detecting whether the vehicle is in a lifted state according to the height values includes: Detecting whether the growth rates of the height values monitored by the height sensors corresponding to each wheel are all within the first preset rate range; If all are within the first preset rate range, determining that the vehicle is in a lifted state; The number of wheels is 4, and the step of detecting whether the vehicle is in a lifted state according to the height values further includes: Detecting whether the 4 height values monitored by the height sensors corresponding to the 4 wheels meet the preset conditions, and if they meet the preset conditions, determining that the vehicle is in a lifted state. The preset conditions are: The difference between the first height value and the fourth height value is greater than the first preset value, the difference between the second height value and the fourth height value is greater than the second preset value, the difference between the third height value and the fourth height value is greater than the third preset value, and the growth rate of the height value monitored by the height sensor corresponding to the first wheel is within the second preset rate range; Wherein, the first height value, the second height value, the third height value, and the fourth height value are the height values monitored by the height sensors corresponding to the first wheel, the second wheel, the third wheel, and the fourth wheel at the same moment; the first wheel and the fourth wheel are in a diagonal relationship, the first wheel and the second wheel are in a coaxial relationship, and the third wheel and the fourth wheel are in a coaxial relationship; the first preset value is greater than the second preset value, and the second preset value is greater than the third preset value.

2. The air suspension control method according to claim 1, characterized in that, after the step of if the vehicle is in a lifted state, controlling the air suspension to enter the maintenance mode, further includes: When receiving an instruction to exit the maintenance mode, detecting whether the vehicle is in a lifted state; If the vehicle is in a lifted state, not responding to the instruction to exit the maintenance mode.

3. The air suspension control method according to any one of claims 1 to 2, characterized in that, the height value is the distance from the wheel center to the lower edge of the fender.

4. An air suspension control device, characterized in that, the air suspension control device includes: An acquisition module for acquiring the height values monitored by the height sensors corresponding to each wheel; A detection module for detecting whether the vehicle is in a lifted state according to the height values; A control module for controlling the air suspension to enter the maintenance mode if the vehicle is in a lifted state, wherein after the air suspension enters the maintenance mode, all functions of the air suspension system are prohibited; The detection module is used for: Detecting whether the growth rates of the height values monitored by the height sensors corresponding to each wheel are all within the first preset rate range; If all are within the first preset rate range, determining that the vehicle is in a lifted state; The number of wheels is 4, and the detection module is further used for: Detect whether the four height values monitored by the height sensors corresponding to the four wheels meet the preset conditions. If the preset conditions are met, it is determined that the vehicle is in the lifted state. The preset conditions are as follows: The difference between the first height value and the fourth height value is greater than the first preset value, the difference between the second height value and the fourth height value is greater than the second preset value, the difference between the third height value and the fourth height value is greater than the third preset value, and the growth rate of the height value monitored by the height sensor corresponding to the first wheel is within the second preset rate range; Wherein, the first height value, the second height value, the third height value, and the fourth height value are the height values monitored by the height sensors corresponding to the first wheel, the second wheel, the third wheel, and the fourth wheel at the same moment respectively; the first wheel and the fourth wheel are in a diagonal relationship, the first wheel and the second wheel are in a coaxial relationship, and the third wheel and the fourth wheel are in a coaxial relationship; the first preset value is greater than the second preset value, and the second preset value is greater than the third preset value.

5. An air suspension control device, characterized in that, The air suspension control device includes a processor, a memory, and an air suspension control program stored on the memory and executable by the processor. When the air suspension control program is executed by the processor, the steps of the air suspension control method according to any one of claims 1 to 3 are implemented.

6. A readable storage medium, characterized in that, An air suspension control program is stored on the readable storage medium. When the air suspension control program is executed by a processor, the steps of the air suspension control method according to any one of claims 1 to 3 are implemented.

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