Air suspension control system and method, electronic equipment and storage medium

Abstract

The invention relates to the technical field of vehicle control, and provides an air suspension control system and method, electronic equipment and a storage medium. The system comprises an air compression pump, a high-pressure air storage tank, a low-pressure air storage tank, an air inlet control valve, an air outlet control valve, a reuse pipeline and at least two air spring assemblies, wherein each air spring assembly is associated with one wheel; wherein the air compression pump is communicated with the high-pressure air storage tank and used for providing high-pressure air for the high-pressure air storage tank, and the air compression pump is communicated with the low-pressure air storage tank and used for exhausting air for the low-pressure air storage tank; the air inlet control valve is arranged at one end of the reuse pipeline, the air outlet control valve is arranged at the other end of the reuse pipeline, the air inlet control valve is connected with the high-pressure air storage tank, and the air outlet control valve is connected with the low-pressure air storage tank; each air spring assembly comprises an air spring and an air valve, the air springs are connected with the reuse pipeline through the air valves, each air spring in the system provided by the invention can independently carry out air intake and air exhaust, and the adjusting accuracy and efficiency of the air springs are improved.

Description

Technical Field

[0001] The present application relates to the field of vehicle control technology, and in particular to an air suspension control system, method, electronic device and storage medium. Background Art

[0002] With the continuous development of science and technology, vehicles have become an indispensable means of transportation in people's lives, and the comfort and handling of vehicles have gradually become the focus of users. The air suspension control system adjusts the air volume of the air spring and controls the suspension stiffness, thereby improving the comfort and handling performance of the vehicle. In addition, the system can also maintain the horizontal height of the vehicle body and adjust the height of the vehicle body to ensure that the vibration reduction performance of the vehicle is basically not affected under different load conditions, providing passengers with a smoother driving experience.

[0003] In the related art, the air suspension system has the problem of slow adjustment speed and affecting the stability of the vehicle. Summary of the invention

[0004] In view of this, the embodiments of the present application provide an air suspension control system, method, electronic device and storage medium to solve the problem in the related art that the air suspension system has a slow adjustment speed, which affects the stability of the vehicle.

[0005] According to a first aspect of an embodiment of the present application, an air suspension control system is provided, which includes: an air compressor, a high-pressure air tank, a low-pressure air tank, an air intake control valve, an air outlet control valve, a reuse pipe and at least two air spring assemblies, each air spring assembly being associated with a wheel; wherein the air compressor is connected to the high-pressure air tank for providing high-pressure gas to the high-pressure air tank, and the air compressor is connected to the low-pressure air tank for exhausting the low-pressure air tank; the air intake control valve is arranged at one end of the reuse pipe, and the air outlet control valve is arranged at the other end of the reuse pipe, and the air intake control valve is connected to the high-pressure air tank, and the air outlet control valve is connected to the low-pressure air tank; each air spring assembly includes an air spring and an air valve, and the air spring is connected to the reuse pipe through the air valve.

[0006] According to a second aspect of an embodiment of the present application, an air suspension control method is provided, the method comprising: obtaining a distance adjustment requirement between a wheel and a vehicle body; when the distance adjustment requirement is to increase the distance between the wheel and the vehicle body, determining an air spring corresponding to the wheel, controlling an air intake control valve to be turned on, and controlling an air valve corresponding to the air spring to be turned on, so that a high-pressure air tank provides pressurized gas to the air spring to increase the distance between the wheel and the vehicle body; when the distance adjustment requirement is to reduce the distance between the wheel and the vehicle body, controlling an air outlet control valve to be turned on, and controlling an air valve corresponding to the air spring to be turned on, so that the air spring discharges gas to a low-pressure air tank to reduce the distance between the wheel and the vehicle body.

[0007] According to a third aspect of an embodiment of the present application, an electronic device is provided, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the steps of the above method when executing the computer program.

[0008] According to a fourth aspect of an embodiment of the present application, a computer-readable storage medium is provided, which stores a computer program, and when the computer program is executed by a processor, the steps of the above method are implemented.

[0009] Compared with the prior art, the embodiments of the present application have the following beneficial effects: the system in the embodiments of the present application includes: an air compressor, a high-pressure air tank, a low-pressure air tank, an air intake control valve, an air outlet control valve, a reuse pipe and at least two air spring assemblies, each of which is associated with a wheel; wherein the air compressor is connected to the high-pressure air tank to provide high-pressure gas to the high-pressure air tank, and the air compressor is connected to the low-pressure air tank to exhaust the low-pressure air tank; the air intake control valve is arranged at one end of the reuse pipe, and the air outlet control valve is arranged at the other end of the reuse pipe, and the air intake control valve is connected to the high-pressure air tank, and the air outlet control valve is connected to the low-pressure air tank; each air spring assembly includes an air spring and an air valve , and the air spring is connected to the reuse pipeline through an air valve. In the air suspension control system provided by the present application, each air spring can independently intake and exhaust air without affecting the operation of other air springs, so that the air spring at each wheel end can rise and fall at the same time, thereby improving the adjustment accuracy and efficiency of the air spring, thereby improving the stability of the vehicle, and avoiding the problem that the air suspension control system cannot accurately adjust to the required height of each air spring, resulting in affecting the stability of the vehicle. In addition, the present application replenishes air to the air spring through a high-pressure air tank, and directly realizes dynamic pressure adjustment of the air spring through the high-pressure air tank, without starting the motor, further increasing the control accuracy of the air spring height. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0011] Figure 1 is a basic schematic diagram of an air suspension control system provided by an embodiment of the present application;

[0012] Figure 2 is a basic schematic diagram of another air suspension control system provided in an embodiment of the present application;

[0013] Figure 3is a basic schematic diagram of an air suspension control method provided by an embodiment of the present application;

[0014] Figure 4 is a basic schematic diagram of another air suspension control method provided in an embodiment of the present application;

[0015] Figure 5 is a basic schematic diagram of another air suspension control method provided by an embodiment of the present application;

[0016] Figure 6 is a basic schematic diagram of another air suspension control method provided in an embodiment of the present application;

[0017] Figure 7 It is a structural schematic diagram of an electronic device provided in an embodiment of the present application;

[0018] Description of reference numerals:

[0019] 1. Air compressor; 2- high-pressure air storage tank, 3- low-pressure air storage tank; 4- air intake control valve; 5- air outlet control valve; 6- reuse pipeline; 7- air spring assembly; 71- air valve; 72- air spring; 8- first limiting air valve; 9- second limiting air valve; 10- external control valve; 11- external air source port; 12- motor; 13- air filter; 14- air dryer; 15- power limiting valve, 16- pressure sensor. DETAILED DESCRIPTION

[0020] In the following description, specific details such as specific system structures, technologies, etc. are provided for the purpose of illustration rather than limitation, so as to provide a thorough understanding of the embodiments of the present application. However, it should be clear to those skilled in the art that the present application may also be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted to prevent unnecessary details from obstructing the description of the present application.

[0021] In order to solve the above problems, the present application provides an air suspension control system and method. An air suspension control system and method according to an embodiment of the present application will be described in detail below with reference to the accompanying drawings.

[0022] Figure 1 is an air suspension control system provided by an embodiment of the present application, such as Figure 1 As shown, the system includes: an air compressor 1, a high-pressure air tank 2, a low-pressure air tank 3, an air intake control valve 4, an air outlet control valve 5, a reuse pipeline 6 and at least two air spring assemblies 7, each air spring assembly 7 is associated with a wheel, and each air spring assembly 7 specifically includes an air spring 72 and an air valve 71.

[0023] It can be understood that the air suspension control system provided in this example is applied to vehicles, including vehicles with automatic driving or intelligent driving, etc. Among them, the above-mentioned vehicle is provided with an air suspension control system, and at least two wheels of the vehicle are provided with air springs 72, and the height of the vehicle body is adjusted by adjusting the gas pressure of the air springs 72. How to adjust the height of the vehicle body will be described in detail based on the air suspension control system later, and will not be repeated here.

[0024] It can be understood that in the present application, the high-pressure gas tank 2 is used to provide gas to the air spring 72, thereby increasing the air pressure of the air spring 72 to increase the distance between the wheel associated with the air spring 72 and the vehicle body. In order to enable the high-pressure gas tank 2 to supply gas to the air spring 72, the present application will pre-set a target pressure value and maintain the air pressure of the high-pressure gas tank 2 at the target pressure value (when the air pressure of the high-pressure gas tank 2 is maintained at the target pressure value, the air pressure of the high-pressure gas tank 2 is always greater than the air pressure of the air spring 72, thereby enabling the high-pressure gas tank 2 to increase the air pressure of the air spring 72).

[0025] The above-mentioned target pressure value is a value set by relevant personnel according to the actual conditions of the high-pressure gas storage tank 2 and the air spring 72; illustratively, the target pressure value ranges from 15 bar to 20 bar, and preferably, the target pressure value is 18 bar.

[0026] Based on the above reasons, the present application provides an air compressor 1, which is connected to the high-pressure gas storage tank 2 and is used to provide high-pressure gas to the high-pressure gas storage tank 2, thereby maintaining the gas pressure of the high-pressure gas storage tank 2 at the target pressure value.

[0027] It can be understood that in order to avoid the pressure value of the high-pressure air tank 2 being lower than (or approaching) the pressure value of the air spring 72, resulting in the high-pressure air tank 2 being unable to replenish air for the air spring 72, the present application also provides a minimum pressure value. When the pressure of the high-pressure air tank 2 is lower than the minimum pressure value (the minimum pressure value is higher than the maximum pressure value of the air spring 72 and less than the target pressure value), the air pump 1 will replenish air for the high-pressure air tank 2 until the pressure of the high-pressure air tank 2 reaches the target pressure value.

[0028] In some examples, the pressure value of the high-pressure gas storage tank 2 can also be monitored in real time (or periodically). When it is detected that the pressure value of the high-pressure gas storage tank 2 does not match the target pressure value, the air pump 1 performs an air replenishment operation on the high-pressure gas storage tank 2 until the pressure of the high-pressure gas storage tank 2 reaches the target pressure value.

[0029] In some examples, when the pressure value of the high-pressure air tank 2 is the target pressure value, even if the air pump 1 is not working, the high-pressure air tank 2 can inflate the air spring 72 at least once, thereby improving the redundancy of the air suspension control system.

[0030] It can be understood that the present application further provides a low-pressure gas storage tank 3, which is used to receive the gas discharged by the air spring 72 when the air spring 72 needs to be exhausted, wherein the low-pressure gas storage tank 3 is connected to the air pressure pump 1, and the air pressure pump 1 is used to exhaust the low-pressure gas storage tank 3;

[0031] It can be understood that in this example, a target low-pressure pressure value of the low-pressure air tank 3 is pre-set, and the target low-pressure pressure value is lower than the minimum pressure value of the air spring 72, so that the air spring 72 can exhaust air to the low-pressure air tank 3. Exemplarily, the target low-pressure pressure value ranges from 1 bar to 5 bar. Taking the target low-pressure pressure value as 2 bar as an example, at any time, if the pressure value of the low-pressure air tank 3 is higher than 2 bar, the air pump 1 is started to extract gas from the low-pressure air tank 3 to reduce the pressure value of the low-pressure air tank 3. Among them, when the pressure value of the low-pressure air tank 3 is the target low-pressure pressure value, even if the air pump 1 does not work, the low-pressure air tank 3 can exhaust the air spring 72 at least once, thereby improving the redundancy of the air suspension control system.

[0032] In some examples, the air intake control valve 4 is arranged at one end of the reuse pipe 6, the air outlet control valve 5 is arranged at the other end of the reuse pipe 6, and the air intake control valve 4 is connected to the high-pressure air storage tank 2, and the air outlet control valve 5 is connected to the low-pressure air storage tank 3; each air spring assembly 7 includes an air spring 72 and an air valve 71, and the air spring 72 is connected to the reuse pipe 6 through the air valve 71.

[0033] Among them, when the wheel corresponding to the air spring assembly 7 needs to increase the distance from the vehicle body, the intake control valve 4 is controlled to be turned on, and the air valve 71 in the air spring assembly 7 is opened with a delay, so that the high-pressure air tank 2 first increases the pressure of the reuse pipe 6. After the pressure of the gas in the reuse pipe 6 is higher than the gas pressure in the air spring 72 after the pressure is increased, the air spring is replenished with air to avoid the gas pressure of the air spring 72 being higher than the pressure of the reuse pipe 6, causing the gas of the air spring 72 to be discharged into the reuse pipe 6, causing the air spring 72 to experience a pressure drop. It can be understood that after the high-pressure air tank 2 completes the air replenishment of the air spring 72, the air valve 71 is closed, and the intake control valve 4 is closed with a delay, further avoiding the gas of the air spring 72 being discharged into the reuse pipe 6, causing the air spring 72 to experience a pressure drop, thereby improving the control accuracy of the air suspension system.

[0034] Among them, when the wheel corresponding to the air spring assembly 7 needs to reduce the distance from the vehicle body, the air outlet control valve 5 is controlled to be turned on, and the air valve 71 in the air spring assembly 7 is opened with a delay, and the reuse pipe 6 is first exhausted to the low-pressure air storage tank 3, so that the air pressure of the reuse pipe 6 is lower than the air pressure of the air spring 72, and then the air spring 72 can be exhausted to the low-pressure air storage tank 3 through the reuse pipe 6, so as to avoid the gas pressure of the air spring 72 being lower than the pressure of the reuse pipe 6, causing the gas in the reuse pipe 6 to be discharged to the air spring 72, so that the air spring 72 is pressurized. It can be understood that after the air spring 72 is exhausted, the air valve 71 is closed, and the air outlet control valve 5 is closed with a delay, so as to further avoid the gas in the reuse pipe 6 being discharged to the air spring 72, so that the air spring 72 is pressurized, thereby improving the control accuracy of the air suspension system.

[0035] In order to better understand the present application, the present application provides a more specific example for illustration. This example provides an air suspension control system, which is provided with: an air compressor pump 1, a high-pressure air tank 2, a low-pressure air tank 3, an intake control valve 4, an outlet control valve 5, a reuse pipeline 6 and at least two air spring assemblies 7, each air spring assembly 7 is associated with a wheel, wherein, taking four air spring assemblies 7 as an example, each air spring assembly 7 includes an air spring 72 and an air valve 71.

[0036] like Figure 2 As shown, in the present application, the air spring 72 in the air spring assembly 7 corresponding to the left front wheel of the vehicle is recorded as FL, and the air valve 71 in the air spring assembly 7 is recorded as AV1; the air spring 72 in the air spring assembly 7 corresponding to the right front wheel is recorded as FR, and the air valve 71 in the air spring assembly 7 is recorded as AV2; the air spring 72 in the air spring assembly 7 corresponding to the left rear wheel is recorded as RL, and the air valve 71 in the air spring assembly 7 is recorded as AV3; the air spring 72 in the air spring assembly 7 corresponding to the right rear wheel is recorded as RR, and the air valve 71 in the air spring assembly 7 is recorded as AV4.

[0037] When the distance between the left front wheel and the vehicle body needs to be increased, the air intake control valve 4 is opened, the AV1 air valve 71 is opened with a delay, and the high-pressure air tank 2 supplies air to the FL air spring 72. After the distance between the left front wheel and the vehicle body reaches the desired height, the AV1 air valve 71 is closed, and the air intake control valve 4 is closed with a delay.

[0038] When the distance between the right front wheel and the vehicle body needs to be increased, the intake control valve 4 is opened, the AV2 air valve 71 is opened with a delay, and the high-pressure air tank 2 supplies air to the FR air spring 72. After the distance between the right front wheel and the vehicle body reaches the desired height, the AV2 air valve 71 is closed, and the intake control valve 4 is closed with a delay.

[0039] When the distance between the left rear wheel and the vehicle body needs to be increased, the air intake control valve 4 is opened, the AV3 air valve 71 is opened with a delay, and the high-pressure air tank 2 supplies air to the RL air spring 72. After the distance between the left rear wheel and the vehicle body reaches the desired height, the AV3 air valve 71 is closed, and the air intake control valve 4 is closed with a delay.

[0040] When it is necessary to increase the distance between the right rear wheel and the vehicle body, open the air intake control valve 4, delay opening of the AV4 air valve 71, and the high-pressure air tank 2 supplies air to the RR air spring 72. After the distance between the right rear wheel and the vehicle body reaches the desired height, close the AV4 air valve 71 and delay closing of the air intake control valve 4.

[0041] Among them, when the left rear wheel and the right rear wheel are used as the rear axle and the distance between the rear axle and the vehicle body is increased, the intake control valve 4 is opened, the AV3 and AV4 air valves 71 are opened with a delay, and the high-pressure air tank 2 supplies air to the RL and RR air springs 72. After the distance between the rear axle and the vehicle body reaches the desired height, the AV3 and AV4 air valves 71 are closed, and the intake control valve 4 is closed with a delay.

[0042] When the left front wheel and the right front wheel are used as the front axle and the distance between the front axle and the vehicle body is increased, the air intake control valve 4 is opened, and the AV1 and AV2 air valves 71 are opened with a delayed opening, and the high-pressure air storage tank 2 supplies air to the FL and FR air springs 72. After the distance between the front axle and the vehicle body reaches the desired height, the AV1 and AV2 air valves 71 are closed, and the air intake control valve 4 is closed with a delayed closing.

[0043] When it is necessary to lower the distance between the left front wheel and the vehicle body, the air outlet control valve 5 is opened, and the AV1 air valve 71 is opened with a delay, so that the FL air spring 72 is discharged to the low-pressure air storage tank 3 through the reuse pipeline 6. After the distance between the left front wheel and the vehicle body reaches the desired height, the AV1 air valve 71 is closed, and the air outlet control valve 5 is closed with a delay.

[0044] When it is necessary to lower the distance between the right front wheel and the vehicle body, open the air outlet control valve 5, delay opening of the AV2 air valve 71, so that the FR air spring 72 is discharged to the low-pressure air tank 3 through the reuse pipe 6. After the distance between the right front wheel and the vehicle body reaches the desired height, close the AV2 air valve 71 and delay closing of the air outlet control valve 5.

[0045] When it is necessary to lower the distance between the left rear wheel and the vehicle body, open the air outlet control valve 5, delay opening of the AV3 air valve 71, so that the RL air spring 72 is discharged to the low-pressure air storage tank 3 through the reuse pipe 6. After the distance between the left rear wheel and the vehicle body reaches the desired height, close the AV3 air valve 71 and delay closing of the air outlet control valve 5.

[0046] When it is necessary to lower the distance between the right rear wheel and the vehicle body, open the air outlet control valve 5, delay opening of the AV4 air valve 71, so that the RR air spring 72 is discharged to the low-pressure air tank 3 through the reuse pipe 6. After the distance between the right rear wheel and the vehicle body reaches the desired height, close the AV4 air valve 71 and delay closing of the air outlet control valve 5.

[0047] Among them, when the left rear wheel and the right rear wheel are used as the rear axle and the distance between the rear axle and the vehicle body needs to be reduced, the air outlet control valve 5 is opened, and the AV3 and AV4 air valves 71 are opened with a delay, so that the RL and RR air springs 72 are exhausted to the low-pressure air tank 3 through the reuse pipe 6. After the distance between the rear axle and the vehicle body reaches the desired height, the AV3 and AV4 air valves 71 are closed, and the air outlet control valve 5 is closed with a delay.

[0048] When the left front wheel and the right front wheel are used as the front axle and the distance between the front axle and the vehicle body needs to be lowered, the air outlet control valve 5 is opened, and the AV1 and AV2 air valves 71 are opened with a delay, so that the FL and FR air springs 72 are exhausted to the low-pressure air tank 3 through the reused pipeline 6. After the distance between the front axle and the vehicle body reaches the desired height, the AV1 and AV2 air valves 71 are closed, and the air outlet control valve 5 is closed with a delay.

[0049] The present application does not limit the type of air compressor 1, and the relevant personnel can use any one or more of the piston air compressor 1, vortex air compressor 1, rotary vane air compressor 1, and screw air compressor 1 to achieve the above functions. Similarly, the present application does not limit the material or type of the high-pressure gas storage tank 2, the low-pressure gas storage tank 3, and the air valve 71, which will not be repeated here.

[0050] According to the technical solution provided in the embodiment of the present application, the air suspension control system provided in the present application includes: an air compressor 1, a high-pressure air tank 2, a low-pressure air tank 3, an air intake control valve 4, an air outlet control valve 5, a reuse pipe 6 and at least two air spring assemblies 7, each air spring assembly 7 is associated with a wheel; wherein the air compressor 1 is connected to the high-pressure air tank 2 to provide high-pressure gas to the high-pressure air tank 2, and the air compressor 1 is connected to the low-pressure air tank 3 to exhaust the low-pressure air tank 3; the air intake control valve 4 is arranged at one end of the reuse pipe 6, and the air outlet control valve 5 is arranged at the other end of the reuse pipe 6, and the air intake control valve 4 is connected to the high-pressure air tank 2, and the air outlet control valve 5 is connected to the low-pressure air tank 3; each air spring assembly 7 includes an air spring 72 and an air valve 71 , and the air spring 72 is connected to the reuse pipe 6 through the air valve 71. In the air suspension control system provided by the present application, each air spring 72 can independently intake and exhaust air without affecting the operation of other air springs 72, so that the air spring 72 at each wheel end can rise and fall at the same time, thereby improving the adjustment accuracy and efficiency of the air spring 72, thereby improving the stability of the vehicle, and avoiding the problem that the air suspension control system cannot accurately adjust to the required height of each air spring 72, resulting in affecting the stability of the vehicle. In addition, the present application replenishes air to the air spring 72 through the high-pressure air tank 2, and directly realizes the dynamic pressure adjustment of the air spring 72 through the high-pressure air tank 2, without the need to start the motor 12, further increasing the control accuracy of the height of the air spring 72.

[0051] In addition, since the present application uses a high-pressure air tank 2 and a low-pressure air tank 3, when the distance between the wheel and the vehicle body needs to be increased, the air spring 72 can be directly inflated by the high-pressure air tank 2. When the distance between the wheel and the vehicle body needs to be reduced, the low-pressure air tank 3 can be directly exhausted by the air spring 72. During the above process, the motor 12 does not need to be started, thereby achieving the effect of reducing the starting frequency of the motor 12, thereby reducing the energy consumption of the air suspension system.

[0052] Among them, the present application will pre-set a minimum height, a standard height, and a maximum height, and the air suspension system continuously adjusts the height of the air spring 72 to adjust. When the air spring 72 rises from the standard height to the maximum height, the motor 12 does not start, and the high-pressure gas tank 2 inflates the air spring 72; when it is lowered from the maximum height to the standard height, the motor 12 does not start, and the air spring 72 deflates the low-pressure gas tank 3; when it is lowered from the standard height to the minimum height, the air spring 72 deflates the low-pressure gas tank 3, and the motor 12 starts to press the air of the low-pressure gas tank 3 into the high-pressure gas tank 2; when it is raised from the minimum height to the standard height, the motor 12 does not start, and the high-pressure gas tank 2 inflates the air spring 72; when it is raised from the standard height to the maximum height, the motor 12 starts, presses the air of the low-pressure gas tank 3 into the high-pressure gas tank 2, and the high-pressure gas tank 2 inflates the air spring 72. In the above working conditions, the motor 12 is only started in about half of the working conditions, and the energy consumption is reduced. And because the present application uses a high-pressure air tank 2 and a low-pressure air tank 3, when the motor 12 fails, the high-pressure air tank 2 can inflate the air spring once, and the air spring can also deflate the low-pressure air tank 3 once. A single air tank can only inflate the air spring 72 once when the pressure is greater than that of the air spring 72, thereby improving the system redundancy.

[0053] In some examples, such as Figure 2 As shown, the air suspension control system also includes: a first limiting air valve 8 and a second limiting air valve 9, the first limiting air valve 8 is arranged between the high-pressure air tank 2 and the air pump 1, and the second limiting air valve 9 is arranged between the low-pressure air tank 3 and the air pump 1, wherein the first limiting air valve 8 is used to control the connection between the high-pressure air tank 2 and the air pump 1; the second limiting air valve 9 is used to control the connection between the low-pressure air tank 3 and the air pump 1.

[0054] Specifically, when there is a demand for inflation of the high-pressure gas storage tank 2 and the air pump 1 provides high-pressure gas to the high-pressure gas storage tank 2, the first limiting air valve 8 is turned on, so that the air pump 1 and the high-pressure gas storage tank 2 are connected; when the air pump 1 stops working, the first limiting air valve 8 is closed, so that the air pump 1 and the high-pressure gas storage tank 2 are disconnected, thereby preventing the gas in the high-pressure gas storage tank 2 from flowing back into the air pump 1 when the air pump 1 is not working.

[0055] Specifically, when there is a need to exhaust the low-pressure gas tank 3, the second limiting air valve 9 is turned on, so that the air pump 1 and the low-pressure gas tank 3 are connected, and the air pump 1 exhausts the low-pressure gas tank 3; when the air pump 1 stops working, the second limiting air valve 9 is closed, so that the air pump 1 and the low-pressure gas tank 3 are disconnected, thereby preventing the gas in the air pump 1 from flowing back into the low-pressure gas tank 3 when the air pump 1 is not working.

[0056] In some examples, the air suspension control system further includes: an external control valve 10 , one end of the external control valve 10 is connected to the high-pressure gas storage tank 2 , and the other end of the external control valve 10 is connected to the external gas source port 11 .

[0057] When it is necessary to inflate the outside, open the external control valve 10 to inflate the external equipment connected to the external source port through the high-pressure gas storage tank 2 and / or the air compressor 1. After the external equipment is inflated, close the external control valve 10.

[0058] In order to maintain the air pressure of the high-pressure gas storage tank 2, after the external inflation is completed, the present application will also open the first limiting air valve 871 to charge the high-pressure gas storage tank 2 through the air compressor pump 1.

[0059] It can be understood that the above-mentioned external gas source port 11 and the external control valve can also relieve the pressure for the high-pressure gas storage tank 2. If the gas pressure in the high-pressure gas storage tank 2 is too high, the pressure of the high-pressure gas storage tank 2 can be relieved by opening the external control valve to avoid damage caused by excessive pressure in the high-pressure gas storage tank 2.

[0060] In some examples, the air suspension control system also includes: a motor 12, which is connected to the air pump 1 and is used to provide power for the air pump 1; specifically, when the air pump 1 needs to replenish air to the high-pressure air tank 2 and / or exhaust air to the low-pressure air tank 3, the motor 12 provides power to the air pump 1, so that the air pump 1 can replenish air to the high-pressure air tank 2 and / or exhaust air to the low-pressure air tank 3.

[0061] In order to achieve fine adjustment of the air spring 72, the air suspension control system in the present application is also provided with at least two pressure sensors 16, such as Figure 2 As shown, each pressure sensor 16 corresponds to an air spring 72 , and the pressure sensor 16 is used to monitor the pressure of the corresponding air spring 72 to determine whether the corresponding air spring 72 reaches the target height.

[0062] It can be understood that the gas pressure of the air spring 72 is related to the height of the air spring 72, wherein the greater the pressure of the air spring 72, the higher the height of the air spring 72, and the greater the distance between the corresponding wheel and the vehicle body, and the smaller the pressure of the air spring 72, the lower the height of the air spring 72, and the closer the distance between the corresponding wheel and the vehicle body. In this example, the corresponding relationship between the pressure of the air spring 72 and the height of the air spring 72 is pre-set. In this application, the pressure of the corresponding air spring 72 is monitored by the pressure sensor 16 to determine whether the corresponding air spring 72 reaches the target height, thereby achieving precise control of the height of the air spring 72.

[0063] In some examples, such as Figure 2As shown, the air suspension control system provided by the present application further includes a power limiting valve 15, which is used to limit the power of the air pump 1 to avoid the problem of damage to the air suspension control system caused by over-power operation of the air pump 1.

[0064] In some examples, such as Figure 2 As shown, the air suspension control system provided in the present application also includes an air filter 13, which is used to filter the air absorbed by the air pump 1 from the outside to prevent impurities from entering the high-pressure air tank 2, the air spring 72, and the low-pressure air tank 3 through the air pump 1, causing problems that affect the operation of the air suspension control system.

[0065] In some examples, such as Figure 2 As shown, the air suspension control system provided by the present application also includes an air dryer 14, which is arranged between the high-pressure air tank 2 and the air pump 1, and is used to remove moisture and impurities in the gas transmitted from the air pump 1 to the high-pressure air tank 2, so as to protect the pneumatic system components (such as the high-pressure air tank 2, the air spring 72 and any valve) from corrosion or blockage.

[0066] Preferably, Figure 2 As shown, in order to prevent moisture and impurities in the gas transmitted by the air pump 1 from entering the reuse pipe 6 and causing corrosion or blockage of the air spring assembly 7, the air dryer 14 is arranged between the first limiting air valve 871 and the air pump 1.

[0067] In some examples, the air suspension control system provided in the present application also includes a controller, which is connected to the air compressor 1, the motor 12, the intake control valve 4, the exhaust control valve 5, the external control valve 10, the air valve 71, the power limiting valve 15, the motor 12, the air dryer 14, the power limiting valve 15, the first limiting air valve 8 and the second limiting air valve 9, and is used to control the opening or closing of the above-mentioned devices according to actual needs.

[0068] All the above optional technical solutions can be arbitrarily combined to form optional embodiments of the present application, which will not be described one by one here.

[0069] The following is an embodiment of the method of the present application. For details not disclosed in the embodiment of the method of the present application, please refer to the system embodiment of the present application.

[0070] This embodiment also provides an air suspension control method, such as Figure 3 As shown, the method includes:

[0071] S301, obtaining a distance adjustment requirement between a wheel and a vehicle body;

[0072] S302, when the distance adjustment requirement is to increase the distance between the wheel and the vehicle body, determine the air spring corresponding to the wheel, control the conduction of the air intake control valve, and control the conduction of the air valve corresponding to the air spring, so that the high-pressure gas storage tank provides pressurized gas to the air spring to increase the distance between the wheel and the vehicle body;

[0073] S303: When the distance adjustment requirement is to reduce the distance between the wheel and the vehicle body, the air outlet control valve is controlled to be turned on, and the air valve corresponding to the air spring is controlled to be turned on, so that the air spring discharges gas to the low-pressure air tank to reduce the distance between the wheel and the vehicle body.

[0074] It can be understood that the air suspension control method provided in the present application is applied to the air suspension control system in the above-mentioned embodiment.

[0075] Specifically, the present application will obtain the distance adjustment requirement of the wheel, and the distance adjustment requirement may be determined by an instruction issued by a user, or the distance adjustment requirement may be determined by the vehicle itself according to road conditions.

[0076] When the distance adjustment requirement is to increase the distance between the wheel and the vehicle body, the present application determines the air spring corresponding to the wheel, then controls the conduction of the intake control valve, and delays the control of the conduction of the air valve corresponding to the air spring, so that the high-pressure air tank provides boost gas to the air spring to increase the distance between the wheel and the vehicle body.

[0077] Similarly, when the distance adjustment requirement is to reduce the distance between the wheel and the body, the air outlet control valve is controlled to be opened, and the air valve corresponding to the air spring is controlled to be opened with a delay, so that the air spring discharges the gas to the low-pressure air tank to reduce the distance between the wheel and the body.

[0078] According to the technical solution provided in the embodiment of the present application, the air suspension control method obtains the distance adjustment demand between the wheel and the vehicle body; when the distance adjustment demand is to increase the distance between the wheel and the vehicle body, the air spring corresponding to the wheel is determined, the intake control valve is controlled to be turned on, and the air valve corresponding to the air spring is controlled to be turned on, so that the high-pressure air tank provides pressurized gas to the air spring to increase the distance between the wheel and the vehicle body; when the distance adjustment demand is to reduce the distance between the wheel and the vehicle body, the outlet control valve is controlled to be turned on, and the air valve corresponding to the air spring is controlled to be turned on, so that the air spring discharges gas to the low-pressure air tank to reduce the distance between the wheel and the vehicle body. The air springs are independently controlled so that each air spring can independently intake and exhaust air without affecting the operation of other air springs. As a result, the air springs at each wheel end can rise and fall simultaneously without affecting the operation of other air springs at the wheel ends, thereby improving the adjustment accuracy and efficiency of the air springs, thereby improving the stability of the vehicle and avoiding the problem that the air suspension control system cannot accurately adjust to the required height of each air spring, resulting in affecting the stability of the vehicle. In addition, the present application replenishes air to the air springs through a high-pressure air tank, and directly realizes dynamic pressure adjustment of the air spring through the high-pressure air tank, without the need to start the motor, further increasing the control accuracy of the air spring height.

[0079] In some embodiments, Figure 4 As shown, after controlling the intake control valve to be turned on and controlling the air valve corresponding to the air spring to be turned on, the method further includes:

[0080] S401, obtaining a target increase distance corresponding to a distance adjustment requirement, where the target increase distance indicates an increase in the distance between the wheels and the vehicle body;

[0081] S402: When the growth distance between the air spring and the vehicle body meets the target growth distance, the air valve corresponding to the air spring is controlled to be closed, and the air intake control valve is controlled to be closed.

[0082] It can be understood that after controlling the intake control valve to be turned on and then controlling the air valve corresponding to the air spring to be turned on, the high-pressure air tank will inflate the air spring. In order to avoid the problem of over-inflation of the air spring, the present application will limit the inflation amount of the air spring based on the growth distance of the air spring.

[0083] In some examples, the present application limits the inflation amount of the air spring by the growth distance of the air spring. Specifically, when the distance adjustment requirement is to increase the distance between the wheel and the vehicle body, the target growth distance corresponding to the distance adjustment requirement is first determined, and then during the process of inflating the air spring, the growth distance between the air spring and the vehicle body is continuously monitored. When the growth distance between the air spring and the vehicle body meets the target growth distance, the air valve corresponding to the air spring is controlled to close, and the intake control valve is controlled to close (that is, the air valve of the air spring is closed first, and then the intake control valve is closed).

[0084] It can be understood that after controlling the conduction of the air outlet control valve and the air valve corresponding to the air spring, the low-pressure air storage tank will deflate the air spring. In order to avoid the problem of excessive deflation of the absolute air spring, this application will limit the deflation amount of the air spring based on the shortening distance of the air spring.

[0085] In some examples, the present application limits the amount of deflation of the air spring by the shortening distance of the air spring. Specifically, when the distance adjustment requirement is to reduce the distance between the wheel and the vehicle body, the target shortening distance corresponding to the distance adjustment requirement is first determined, and then during the process of deflating the air spring, the shortening distance between the air spring and the vehicle body is continuously monitored. When the shortening distance between the air spring and the vehicle body meets the target shortening distance, the air valve corresponding to the air spring is controlled to close, and then the air outlet control valve is controlled to close (that is, the air valve of the air spring is closed first, and then the air outlet control valve is closed).

[0086] According to the technical solution provided in the embodiment of the present application, a target growth distance corresponding to the distance adjustment demand is obtained, and the target growth distance indicates the increased distance between the wheel and the vehicle body; when the growth distance between the air spring and the vehicle body meets the target growth distance, the air valve corresponding to the air spring is controlled to close, and the intake control valve is controlled to close, thereby achieving the goal of limiting the inflation amount of the air spring by the growth distance of the air spring, avoiding the problem of over-inflation of the air spring.

[0087] In some embodiments, Figure 5 As shown, when the growth distance between the air spring and the vehicle body meets the target growth distance, the air valve corresponding to the air spring is controlled to be closed, and the intake control valve is controlled to be closed, including:

[0088] S501, monitoring the current pressure of the air spring through a pressure sensor corresponding to the air spring;

[0089] S502, obtaining a target inflation pressure corresponding to the target growth distance, and when the current pressure of the air spring meets the target inflation pressure, determining that the growth distance between the air spring and the vehicle body meets the target growth distance, controlling the air valve corresponding to the air spring to close, and controlling the air intake control valve to close.

[0090] When the distance adjustment requirement is to increase the distance between the wheel and the vehicle body, the present application determines the growth distance of the air spring by monitoring the current pressure of the air spring. In order to more accurately obtain the growth distance of the air spring through the pressure of the air spring, a mapping relationship between pressure and growth distance is pre-set in the present application. The mapping relationship can be stored in any form such as hash, key-value pair, table, or database.

[0091] It can be understood that each air spring corresponds to a pressure sensor, and the current pressure of the air spring can be accurately obtained through the pressure sensor.

[0092] After obtaining the target growth distance of the air spring, it is matched with the above-mentioned pre-set mapping relationship between pressure and growth distance to obtain the corresponding target inflation pressure. Subsequently, when the current pressure of the air spring meets the target inflation pressure, it is determined that the growth distance between the air spring and the vehicle body meets the target growth distance, and the air valve corresponding to the air spring is controlled to close, and the intake control valve is controlled to close.

[0093] When the distance adjustment requirement is to reduce the distance between the wheel and the vehicle body, the present application determines the shortening distance of the air spring by monitoring the current pressure of the air spring. In order to more accurately obtain the shortening distance of the air spring through the pressure of the air spring, a mapping relationship between pressure and shortening distance is pre-set in the present application. The mapping relationship can be stored in any form of hash, key-value pair, table, or database.

[0094] After obtaining the target shortening distance of the air spring, it is matched with the mapping relationship between the pre-set pressure and shortening distance to obtain the corresponding target deflation pressure. Subsequently, when the current pressure of the air spring meets the target deflation pressure, it is determined that the shortening distance between the air spring and the vehicle body meets the target shortening distance, and the air valve corresponding to the air spring is controlled to close, and the intake control valve is controlled to close.

[0095] According to the technical solution provided in the embodiment of the present application, the current pressure of the air spring is monitored by a pressure sensor corresponding to the air spring; the target inflation pressure corresponding to the target growth distance is obtained, and when the current pressure of the air spring meets the target inflation pressure, it is determined that the growth distance between the air spring and the vehicle body meets the target growth distance, the air valve corresponding to the air spring is controlled to close, and the intake control valve is controlled to close, thereby realizing the acquisition of the growth distance of the air spring by acquiring the current pressure of the air spring, and thereby realizing the accurate acquisition of the growth distance of the air spring.

[0096] In some embodiments, Figure 6As shown, when the increase distance between the air spring and the vehicle body meets the target increase distance, the air valve corresponding to the air spring is controlled to be closed, and the intake control valve is controlled to be closed, including:

[0097] S601, determining the opening degree and target on-time of the intake control valve according to the target growth distance;

[0098] S602, opening the intake control valve according to the determined opening degree, and when the intake control valve conduction time meets the target conduction time, determining that the growth distance between the air spring and the vehicle body meets the target growth distance, controlling the air valve corresponding to the air spring to close, and controlling the intake control valve to close.

[0099] When the distance adjustment requirement is to increase the distance between the wheel and the vehicle body, in order to avoid the problem of over-inflation of the air spring, since the total amount of air filled into the air spring by the high-pressure air tank is determined by the inflation speed and the inflation time, the present application will also limit the inflation speed and inflation time of the air spring by the high-pressure air tank, thereby achieving the effect of limiting the total inflation amount. Specifically, when other conditions remain unchanged, the inflation speed of the air spring by the high-pressure air tank is determined by the opening of the intake control valve, wherein the larger the opening of the intake control valve, the faster the inflation speed of the air spring, and the smaller the opening of the intake control valve, the slower the inflation speed of the air spring; when other conditions remain unchanged, the inflation amount of the air spring by the high-pressure air tank is determined by the conduction time of the intake control valve, wherein the longer the conduction time of the intake control valve, the more air is inflated in the air spring, and the shorter the conduction time of the intake control valve, the less air is inflated in the air spring.

[0100] Based on the above reasons, the present application will first determine the opening and target conduction time of the intake control valve according to the target growth distance. Specifically, different target growth distances correspond to different inflation volumes, and different inflation volumes correspond to different openings and target conduction times. Exemplarily, the present application pre-sets a mapping relationship between growth distance and inflation volume, and the mapping relationship between growth distance and inflation volume can be in the form of hash, key-value pair, table, or database. After the target growth distance is subsequently obtained, the mapping relationship between the growth distance and inflation volume is matched to obtain the corresponding inflation volume; the present application pre-sets a mapping relationship between inflation volume, opening, and conduction time, and the mapping relationship between inflation volume, opening, and conduction time can be in the form of hash, key-value pair, table, or database. After the inflation volume is subsequently obtained, the mapping relationship between the inflation volume, opening, and conduction time is matched to obtain the corresponding opening and target conduction time.

[0101] Subsequently, the intake control valve is opened according to the determined opening degree, and when the intake control valve conduction time meets the target conduction time, it is determined that the growth distance between the air spring and the vehicle body meets the target growth distance, the air valve corresponding to the air spring is controlled to close, and the intake control valve is controlled to close to avoid the problem of over-inflation of the air spring.

[0102] When the distance adjustment requirement is to reduce the distance between the wheel and the vehicle body, in order to avoid the problem of excessive deflation of the air spring, since the total deflation amount of the air spring is determined by the deflation speed and the deflation time, the present application will also limit the deflation speed and deflation time of the high air spring, thereby achieving the effect of limiting the total deflation amount. Specifically, under the condition that other conditions remain unchanged, the deflation speed of the air spring is determined by the opening of the air outlet control valve, wherein the larger the opening of the air outlet control valve, the faster the deflation speed of the air spring, and the smaller the opening of the air outlet control valve, the slower the deflation speed of the air spring; under the condition that other conditions remain unchanged, the deflation amount of the air spring is determined by the conduction time of the air outlet control valve, wherein the longer the conduction time of the air outlet control valve, the more the air spring will deflate, and the shorter the conduction time of the air outlet control valve, the less the air spring will deflate.

[0103] Based on the above reasons, when the distance adjustment requirement is to reduce the distance between the wheel and the vehicle body, the present application will first obtain the target reduction distance corresponding to the distance adjustment requirement, and determine the opening and target deflation time of the air outlet control valve according to the target reduction distance. Specifically, different target reduction distances correspond to different deflation amounts, and different deflation amounts correspond to different openings and target conduction times. Exemplarily, the present application pre-sets a mapping relationship between the reduction distance and the deflation amount, and the mapping relationship between the reduction distance and the deflation amount can be any form of hash, key-value pair, table, or database. After the target reduction distance is subsequently obtained, the mapping relationship between the reduction distance and the deflation amount is matched to obtain the corresponding deflation amount; the present application pre-sets a mapping relationship between the deflation amount and the opening and conduction time, and the mapping relationship between the deflation amount and the opening and conduction time can be any form of hash, key-value pair, table, or database. After the deflation amount is subsequently obtained, the mapping relationship between the deflation amount and the opening and conduction time is matched to obtain the corresponding opening and target conduction time.

[0104] Subsequently, the air outlet control valve is opened according to the determined opening degree, and when the air outlet control valve conduction time meets the target conduction time, it is determined that the reduced distance between the air spring and the vehicle body meets the target reduction distance, the air valve corresponding to the air spring is controlled to close, and the air outlet control valve is controlled to close to avoid excessive deflation of the air spring.

[0105] According to the technical solution provided in the embodiment of the present application, the opening degree and the target on-time of the intake control valve are determined according to the target growth distance; the intake control valve is opened according to the determined opening degree, and when the on-time of the intake control valve meets the target on-time, it is determined that the growth distance between the air spring and the vehicle body meets the target growth distance, the air valve corresponding to the air spring is controlled to close, and the intake control valve is controlled to close, thereby achieving accurate control of the inflation of the air spring and avoiding the problem of over-inflation of the air spring.

[0106] In some examples, the pressure of the air spring can also be directly monitored to determine whether the height of the air spring meets the distance adjustment requirements. Specifically, multiple pressure sensors are provided in the present application, each pressure sensor corresponds to an air spring, and the pressure sensor is used to monitor the pressure of the corresponding air spring. The height of the air spring is related to the pressure of the air spring. The greater the pressure of the air spring, the higher the height of the air spring, and the greater the distance between the corresponding wheel and the vehicle body. The smaller the pressure of the air spring, the lower the height of the air spring, and the closer the distance between the corresponding wheel and the vehicle body. In this example, the correspondence between the pressure of the air spring and the height of the air spring is pre-set. In the present application, the pressure of the corresponding air spring is monitored by a pressure sensor to determine that the corresponding air spring reaches the target height, thereby achieving precise control of the height of the air spring.

[0107] Based on the above principles, when the air spring is inflated, the present application will obtain the target distance corresponding to the distance adjustment requirement, where the target distance is the distance between the wheel and the vehicle body; obtain the inflation pressure corresponding to the target distance, and monitor the current pressure of the air spring through the pressure sensor corresponding to the air spring; when the current pressure of the air spring meets the inflation pressure, control the air valve corresponding to the air spring to close, and control the intake control valve to close.

[0108] Similarly, when the air spring is deflated, the present application will obtain the target distance corresponding to the distance adjustment requirement, where the target distance is the distance between the wheel and the vehicle body; obtain the inflation pressure corresponding to the target distance, and monitor the current pressure of the air spring through the pressure sensor corresponding to the air spring; when the current pressure of the air spring meets the inflation pressure, control the air valve corresponding to the air spring to close, and control the intake control valve to close.

[0109] The air suspension control method provided in the present application also includes monitoring the pressure value of the high-pressure air storage tank; when the pressure value of the high-pressure air storage tank is lower than the target pressure value, controlling the air compressor pump to inflate the high-pressure air storage tank until the pressure value of the high-pressure air storage tank meets the target pressure value.

[0110] Figure 7 Schematic diagram of an electronic device 7 provided in an embodiment of the present application. Figure 7As shown, the electronic device 7 of this embodiment includes: a processor 701, a memory 702, and a computer program 703 stored in the memory 702 and executable on the processor 701. When the processor 701 executes the computer program 703, the steps in each of the above method embodiments are implemented. Alternatively, when the processor 701 executes the computer program 703, the functions of each module / unit in each of the above device embodiments are implemented.

[0111] The electronic device 7 may be a desktop computer, a notebook, a PDA, a cloud server, or other electronic device. The electronic device 7 may include, but is not limited to, a processor 701 and a memory 702. Those skilled in the art will appreciate that Figure 7 The electronic device 7 is merely an example and does not limit the electronic device 7 , and may include more or less components than those shown in the figure, or different components.

[0112] The processor 701 may be a central processing unit (CPU), or other general-purpose processors, digital signal processors (DSP), application-specific integrated circuits (ASIC), field-programmable gate arrays (FPGA), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc.

[0113] The memory 702 may be an internal storage unit of the electronic device 7, for example, a hard disk or memory of the electronic device 7. The memory 702 may also be an external storage device of the electronic device 7, for example, a plug-in hard disk, a smart media card (SMC), a secure digital (SD) card, a flash card, etc. equipped on the electronic device 7. The memory 702 may also include both an internal storage unit of the electronic device 7 and an external storage device. The memory 702 is used to store computer programs and other programs and data required by the electronic device.

[0114] Those skilled in the art can clearly understand that for the convenience and simplicity of description, only the division of each functional unit and module is used as an example. In actual application, the above-mentioned function allocation can be completed by different functional units and modules as needed, that is, the internal structure of the device is divided into different functional units or modules to complete all or part of the functions described above. Each functional unit and module in the embodiment can be integrated into a processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit, and the above-mentioned integrated unit can be implemented in the form of hardware or in the form of software functional units.

[0115] If the integrated module / unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the present application implements all or part of the processes in the above-mentioned embodiment method, and can also be completed by instructing the relevant hardware through a computer program. The computer program can be stored in a computer-readable storage medium, and the computer program can implement the steps of each of the above-mentioned method embodiments when executed by the processor. The computer program may include computer program code, and the computer program code may be in source code form, object code form, executable file or some intermediate form. The computer-readable medium may include: any entity or device capable of carrying computer program code, recording medium, U disk, mobile hard disk, disk, optical disk, computer memory, read-only memory (ROM), random access memory (RAM), electric carrier distance, telecommunication distance and software distribution medium, etc. It should be noted that the content contained in the computer-readable medium can be appropriately increased or decreased according to the requirements of regional requirements and patent practice. For example, in some areas, according to regional requirements and patent practice, the computer-readable medium does not include electric carrier distance and telecommunication distance.

[0116] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, a person skilled in the art should understand that the technical solutions described in each of the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of each embodiment of the present application, and should all be included in the protection scope of the present application.

Claims

1. An air suspension control system, characterized in that: The system comprises: an air compressor, a high-pressure air storage tank, a low-pressure air storage tank, an air intake control valve, an air outlet control valve, a reuse pipeline and at least two air spring assemblies, each of which is associated with a wheel; wherein, The air compressor is connected to the high-pressure gas storage tank to provide high-pressure gas to the high-pressure gas storage tank, and the air compressor is connected to the low-pressure gas storage tank to exhaust the low-pressure gas storage tank; The air inlet control valve is arranged at one end of the reuse pipeline, the air outlet control valve is arranged at the other end of the reuse pipeline, and the air inlet control valve is connected to the high-pressure gas storage tank, and the air outlet control valve is connected to the low-pressure gas storage tank; Each of the air spring assemblies includes an air spring and an air valve, and the air spring is connected to the reuse pipeline through the air valve.

2. The system according to claim 1, characterized in that The air suspension control system further includes: a first limiting air valve and a second limiting air valve, wherein the first limiting air valve is arranged between the high-pressure air storage tank and the air pump, and the second limiting air valve is arranged between the low-pressure air storage tank and the air pump.

3. The system according to claim 1, characterized in that The air suspension control system further comprises: an external control valve, one end of which is connected to the high-pressure gas storage tank, and the other end of which is connected to an external gas source port.

4. An air suspension control method, characterized in that: The method is applied to the air suspension control system according to any one of claims 1 to 3, and the method comprises: Obtain the distance adjustment requirements between the wheel and the vehicle body; When the distance adjustment requirement is to increase the distance between the wheel and the vehicle body, determine the air spring corresponding to the wheel, control the conduction of the air intake control valve, and control the conduction of the air valve corresponding to the air spring, so that the high-pressure gas storage tank provides pressurized gas to the air spring to increase the distance between the wheel and the vehicle body; When the distance adjustment requirement is to reduce the distance between the wheel and the vehicle body, the air outlet control valve is controlled to be turned on, and the air valve corresponding to the air spring is controlled to be turned on, so that the air spring discharges gas to the low-pressure air tank to reduce the distance between the wheel and the vehicle body.

5. The method according to claim 4, characterized in that After controlling the intake control valve to be turned on and controlling the air valve corresponding to the air spring to be turned on, the method further includes: Acquire a target increase distance corresponding to the distance adjustment requirement, wherein the target increase distance indicates an increase in the distance between the wheel and the vehicle body; When the growth distance between the air spring and the vehicle body meets the target growth distance, the air valve corresponding to the air spring is controlled to be closed, and the intake control valve is controlled to be closed.

6. The method according to claim 5, characterized in that When the growth distance between the air spring and the vehicle body meets the target growth distance, controlling the air valve corresponding to the air spring to close, and controlling the air intake control valve to close, comprises: Monitoring the current pressure of the air spring by means of a pressure sensor corresponding to the air spring; Obtain a target inflation pressure corresponding to the target growth distance, and when the current pressure of the air spring meets the target inflation pressure, determine that the growth distance between the air spring and the vehicle body meets the target growth distance, control the air valve corresponding to the air spring to close, and control the intake control valve to close.

7. The method according to claim 5, characterized in that When the increase distance between the air spring and the vehicle body meets the target increase distance, the air valve corresponding to the air spring is controlled to be closed, and the air intake control valve is controlled to be closed, including: Determining the opening degree and target on-time of the intake control valve according to the target growth distance; The intake control valve is opened according to the determined opening degree, and when the on-time of the intake control valve meets the target on-time, it is determined that the growth distance between the air spring and the vehicle body meets the target growth distance, the air valve corresponding to the air spring is controlled to be closed, and the intake control valve is controlled to be closed.

8. The method according to claim 6, characterized in that The method further comprises: Monitoring the pressure value of the high-pressure gas storage tank; When the pressure value of the high-pressure gas storage tank is lower than the target pressure value, the air compressor pump is controlled to inflate the high-pressure gas storage tank until the pressure value of the high-pressure gas storage tank meets the target pressure value.

9. An electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that: When the processor executes the computer program, the steps of the method according to any one of claims 4 to 8 are implemented.

10. A computer-readable storage medium storing a computer program, characterized in that: When the computer program is executed by a processor, the steps of the method according to any one of claims 4 to 8 are implemented.

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