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 and at least two air springs, wherein each air spring is associated with one wheel; wherein the air compression pump is communicated with the high-pressure air storage tank; each air spring corresponds to one air inlet air valve, each air spring is connected with the high-pressure air storage tank through the corresponding air inlet air valve, and the high-pressure air storage tank is used for providing boosting air for the air springs when the air inlet air valves corresponding to the air springs are opened so as to increase the distance between wheels related to the air springs and a vehicle body; each air spring corresponds to one air outlet air valve, the air outlet air valves are used for reducing the air pressure of the corresponding air springs so as to reduce the distance between the air spring associated wheels and the vehicle body, each air spring in the system provided by the invention can independently carry out air inlet and air outlet, and the work of other air springs is not influenced; and the adjusting accuracy and efficiency of the air spring are improved.

Description

Technical Field

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

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

[0003] In the related art, when the air suspension control system inflates or deflates any one of the air springs to adjust the vehicle body height, it will cause the transfer of the entire vehicle load, resulting in a change in the pressure borne by other air springs. Therefore, the air suspension control system needs to repeatedly adjust the height of each air spring multiple times to reach the preset target. This repeated adjustment affects the user experience and the stability of vehicle performance. Summary of the Invention

[0004] In view of this, the embodiments of this application provide an air suspension control system, method, electronic device, and storage medium to solve the problem in the prior art that the air suspension control system cannot accurately adjust to the height required by each air spring, resulting in affecting the stability of the vehicle.

[0005] In the first aspect of the embodiments of this application, an air suspension control system is provided. The system includes: an air compressor, a high-pressure gas storage tank, and at least two air springs, each air spring being associated with a wheel; wherein, the air compressor is connected to the high-pressure gas storage tank and is used to provide high-pressure gas for the high-pressure gas storage tank; each air spring corresponds to an intake air valve, and each air spring is connected to the high-pressure gas storage tank through the corresponding intake air valve. The high-pressure gas storage tank is used to provide boosting gas for the air spring when the intake air valve corresponding to the air spring is opened, so as to increase the distance between the wheel associated with the air spring and the vehicle body; each air spring corresponds to an exhaust air valve, and the exhaust air valve is used to reduce the gas pressure of the corresponding air spring to reduce the distance between the wheel associated with the air spring and the vehicle body.

[0006] In a second aspect of the embodiments of the present application, an air suspension control method is provided. The method includes: obtaining a height adjustment requirement of a wheel; determining an air spring corresponding to the wheel when the height adjustment requirement is to increase the height of the wheel; controlling an intake air valve corresponding to the air spring to be turned on, so that when the intake air valve corresponding to the air spring is opened, a high-pressure gas storage tank provides a boosting gas for the air spring to increase the height of the wheel; and when the height adjustment requirement is to decrease the height of the wheel, controlling an exhaust air valve corresponding to the air spring to be turned on, so that the air spring deflates to decrease the height of the wheel.

[0007] In a third aspect of the embodiments of the present application, an electronic device is provided, including a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the computer program, the steps of the above method are implemented.

[0008] In a fourth aspect of the embodiments of the present application, a computer-readable storage medium is provided. The computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the steps of the above method are implemented.

[0009] The beneficial effects of the embodiments of the present application compared with the prior art are as follows: The system in the embodiments of the present application includes: an air compressor, a high-pressure gas storage tank, and at least two air springs, and each air spring is associated with a wheel; wherein, the air compressor is connected to the high-pressure gas storage tank and is used to provide high-pressure gas for the high-pressure gas storage tank; each air spring corresponds to an intake air valve, and each air spring is connected to the high-pressure gas storage tank through the corresponding intake air valve. The high-pressure gas storage tank is used to provide a boosting gas for the air spring when the intake air valve corresponding to the air spring is opened, so as to increase the distance between the wheel associated with the air spring and the vehicle body; each air spring corresponds to an exhaust air valve, and the exhaust air valve is used to reduce the gas pressure of the corresponding air spring, so as to reduce the distance between the wheel associated with the air spring and the vehicle body. In the air suspension control system provided by the present application, each air spring can intake and exhaust independently, without affecting the operation of other air springs, enabling the air springs at each wheel end to rise and fall simultaneously, improving the adjustment accuracy and efficiency of the air springs, and further enhancing the stability of the vehicle, avoiding the problem that the air suspension control system cannot accurately adjust to the height required by each air spring, which affects the vehicle stability. In addition, the present application replenishes air to the air spring through the high-pressure gas storage tank, directly realizes the dynamic pressure adjustment of the air spring through the high-pressure gas storage tank, and does not require starting the compressor, further increasing the control accuracy of the air spring height. Description of the Drawings

[0010] To more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[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 another basic schematic diagram of an air suspension control system provided by an embodiment of the present application;

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

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

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

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

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

[0018] Description of reference numerals:

[0019] 1 - air compressor pump; 2 - high - pressure gas storage tank; 3 - air spring; 4 - intake air valve; 5 - outlet air valve; 6 - low - pressure gas storage tank; 7 - exhaust air valve; 8 - motor; 9 - power limiting valve; 10 - air filter; 11 - air dryer; 12 - pressure sensor; 13 - limiting air valve. Detailed implementation manners

[0020] In the following description, for the purpose of illustration rather than limitation, specific details such as specific system structures and technologies are presented to thoroughly understand the embodiments of the present application. However, those skilled in the art should clearly understand that the present application can 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 avoid unnecessary details from interfering with the description of the present application.

[0021] When the air suspension control system inflates or deflates any air spring to adjust the height, it will cause the transfer of the vehicle load, resulting in changes in the pressure borne by other air springs. Therefore, the air suspension control system needs to repeatedly adjust the height of each air spring multiple times, causing the compressor to start frequently, increasing energy consumption and component wear, and also reducing the adjustment accuracy. The air suspension control system needs to repeatedly adjust the height of each air spring to reach the preset height. This repeated adjustment affects the user experience and the stability of vehicle performance. In addition, when the air suspension control system inflates or deflates any air spring to adjust the height, it will cause the transfer of the vehicle load, resulting in changes in the pressure borne by other air springs, resulting in that the air suspension control system can only raise or lower a single axle or a single wheel at the same time, and cannot independently adjust the height of a single axle or a single wheel separately at the same time, resulting in a slow adjustment speed of the current air suspension system.

[0022] To solve the above problems, the present application provides an air suspension control system and method. The following will describe in detail an air suspension control system and method according to an embodiment of the present application with reference to the accompanying drawings.

[0023] Figure 1 This is an air suspension control system provided by an embodiment of the present application. As Figure 1 shown, the system includes: an air compressor pump 1, a high-pressure gas storage tank 2, and at least two air springs 3, and each air spring 3 is associated with a wheel.

[0024] It can be understood that the air suspension control system provided in this example is applied to a vehicle, and the above vehicle includes a vehicle with autonomous driving or intelligent driving, etc. Among them, the above vehicle is provided with an air suspension control system, and at least two wheels of the vehicle are provided with air springs 3. By adjusting the gas pressure of the air springs 3, the adjustment of the vehicle body height is realized. How to adjust the vehicle body height based on the air suspension control system will be described in detail later and will not be elaborated here.

[0025] It can be understood that in the present application, the high-pressure gas storage tank 2 is used to supply gas to the air springs 3, thereby increasing the air pressure of the air springs 3 to increase the distance between the wheels associated with the air springs 3 and the vehicle body. In order to enable the high-pressure gas storage tank 2 to supply gas to the air springs 3, a target pressure value will be preset in the present application, and the air pressure of the high-pressure gas storage tank 2 will be maintained at the target pressure value (when the air pressure of the high-pressure gas storage tank 2 is maintained at the target pressure value, the air pressure of the high-pressure gas storage tank 2 is always greater than the air pressure of the air springs 3, thereby enabling the high-pressure gas storage tank 2 to increase the air pressure of the air springs 3).

[0026] The above 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 3; exemplarily, the value range of the target pressure value is 15 bar to 20 bar, and preferably, the value of the target pressure value is 18 bar.

[0027] For the above reasons, the present application provides an air compressor pump 1, which is connected to the high-pressure gas storage tank 2 and is used to provide high-pressure gas for the high-pressure gas storage tank 2, so as to maintain the gas pressure of the high-pressure gas storage tank 2 at the target pressure value.

[0028] It can be understood that in order to prevent the pressure value of the high-pressure gas storage tank 2 from being lower than (or approaching) the pressure value of the air spring 3, resulting in the high-pressure gas storage tank 2 being unable to supply air to the air spring 3, the present application also sets a minimum pressure value. When the pressure of the high-pressure gas storage tank 2 is lower than this minimum pressure value (this minimum pressure value is higher than the maximum pressure value of the air spring 3 and lower than the target pressure value), the air compressor pump 1 will perform 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, it can also be to monitor the pressure value of the high-pressure gas storage tank 2 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 compressor 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.

[0030] The present application does not limit the type of the air compressor pump 1. Relevant personnel can use any one or more of the piston-type air compressor pump 1, scroll-type air compressor pump 1, rotary vane-type air compressor pump 1, and screw-type air compressor pump 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, which will not be elaborated here.

[0031] It can be understood that in order to prevent the high-pressure gas storage tank 2 from continuously supplying air to the air spring 3, resulting in the pressure of the air spring 3 being unable to decrease, an intake air valve 4 is also provided in the air suspension control system of the present application, and each air spring 3 corresponds to an intake air valve 4, as Figure 1 shown, each air spring 3 is connected to the high-pressure gas storage tank 2 through the corresponding intake air valve 4.

[0032] Continuing with the above example, when the intake air valve 4 is opened and conducted, the high-pressure gas storage tank 2 is used to provide pressurized gas for the air spring 3 through the intake air valve 4, so as to increase the pressure of the air spring 3, increase the height of the air spring 3, and further increase the distance between the wheel associated with the air spring 3 and the vehicle body, achieving the effect of increasing the ground clearance of the vehicle.

[0033] When the intake air valve 4 is closed, the connection between the high-pressure gas storage tank 2 and the air spring 3 is disconnected, and the high-pressure gas storage tank 2 cannot increase the pressure of the air spring 3, avoiding the problem that the high-pressure gas storage tank 2 continuously replenishes the air spring 3, resulting in the inability to reduce the pressure of the air spring 3.

[0034] It can be understood that each air spring 3 of the present application corresponds to an outlet air valve 5, and the outlet air valve 5 is used to reduce the gas pressure of the corresponding air spring 3 to reduce the distance between the wheel associated with the air spring 3 and the vehicle body.

[0035] Such as Figure 1 As shown, when the outlet air valve 5 is opened and conducted, the air spring 3 discharges air through the outlet air valve 5 to reduce the pressure of the air spring 3, and then reduce the distance between the wheel associated with the air spring 3 and the vehicle body, achieving the effect of reducing the ground clearance of the vehicle. When the outlet air valve 5 is closed, the air spring 3 cannot discharge air through the outlet air valve 5, and thus the pressure of the air spring 3 is maintained.

[0036] 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 1, a high-pressure gas storage tank 2 and 4 sets of air springs 3. Each air spring 3 corresponds to a wheel, and the wheels are the left front wheel, the right front wheel, the left rear wheel and the right rear wheel respectively. The present application denotes the air spring 3 corresponding to the left front wheel as FL, the air spring 3 corresponding to the right front wheel as FR, the air spring 3 corresponding to the left rear wheel as RL, and the air spring 3 corresponding to the right rear wheel as RR.

[0037] Such as Figure 2 As shown, each air spring 3 corresponds to an intake air valve 4 and an outlet air valve 5. Among them, the air compressor 1 is connected to the high-pressure gas storage tank 2 and is used to provide high-pressure gas for the high-pressure gas storage tank 2, so that the gas pressure of the high-pressure gas storage tank 2 is maintained at 18 bar, making the gas pressure of the high-pressure gas storage tank 2 higher than the gas pressure of the air spring 3.

[0038] Such as Figure 2 As shown, in this example, the intake air valve 4 corresponding to the FL air spring 3 is denoted as AV1, the intake air valve 4 corresponding to the FR air spring 3 is denoted as AV2, the intake air valve 4 corresponding to the RL air spring 3 is denoted as AV3, the intake air valve 4 corresponding to the RR air spring 3 is denoted as AV4, the outlet air valve 5 corresponding to the FL air spring 3 is denoted as AV5, the outlet air valve 5 corresponding to the FR air spring 3 is denoted as AV6, the outlet air valve 5 corresponding to the RL air spring 3 is denoted as AV7, and the outlet air valve 5 corresponding to the RR air spring 3 is denoted as AV8.

[0039] Among them, when it is necessary to increase the distance between the left front wheel and the vehicle body, open the AV1 intake air valve 4 to connect the high-pressure gas storage tank 2 and the FL air spring 3, so that the high-pressure gas storage tank 2 supplies gas to the FL air spring 3. After the distance between the left front wheel and the vehicle body reaches the preset distance (or the distance between the vehicle body and the ground reaches the preset height), close the AV1 intake air valve 4 to disconnect the connection between the high-pressure gas storage tank 2 and the FL air spring 3.

[0040] When it is necessary to increase the distance between the right front wheel and the vehicle body, open the AV2 intake air valve 4 to connect the high-pressure gas storage tank 2 and the FR air spring 3, so that the high-pressure gas storage tank 2 supplies gas to the FR air spring 3. After the distance between the right front wheel and the vehicle body reaches the preset distance (or the distance between the vehicle body and the ground reaches the preset height), close the AV2 intake air valve 4 to disconnect the connection between the high-pressure gas storage tank 2 and the FR air spring 3.

[0041] When it is necessary to increase the distance between the left rear wheel and the vehicle body, open the AV3 intake air valve 4 to connect the high-pressure gas storage tank 2 and the RL air spring 3, so that the high-pressure gas storage tank 2 supplies gas to the RL air spring 3. After the distance between the left rear wheel and the vehicle body reaches the preset distance (or the distance between the vehicle body and the ground reaches the preset height), close the AV3 intake air valve 4 to disconnect the connection between the high-pressure gas storage tank 2 and the RL air spring 3.

[0042] When it is necessary to increase the distance between the right rear wheel and the vehicle body, open the AV4 intake air valve 4 to connect the high-pressure gas storage tank 2 and the RR air spring 3, so that the high-pressure gas storage tank 2 supplies gas to the RR air spring 3. After the distance between the right rear wheel and the vehicle body reaches the preset distance (or the distance between the vehicle body and the ground reaches the preset height), close the AV4 intake air valve 4 to disconnect the connection between the high-pressure gas storage tank 2 and the RR air spring 3.

[0043] Among them, when it is necessary to decrease the distance between the left front wheel and the vehicle body, open the AV5 exhaust air valve 5 so that the FL air spring 3 exhausts through the AV5 exhaust air valve 5. After the distance between the left front wheel and the vehicle body reaches the preset distance (or the distance between the vehicle body and the ground reaches the preset height), close the AV5 exhaust air valve 5 so that the FL air spring 3 stops exhausting.

[0044] When it is necessary to decrease the distance between the right front wheel and the vehicle body, open the AV6 exhaust air valve 5 so that the FR air spring 3 exhausts through the AV6 exhaust air valve 5. After the distance between the right front wheel and the vehicle body reaches the preset distance (or the distance between the vehicle body and the ground reaches the preset height), close the AV6 exhaust air valve 5 so that the FR air spring 3 stops exhausting.

[0045] When it is necessary to reduce the distance between the left rear wheel and the vehicle body, open the AV7 air outlet valve 5 so that the RL air spring 3 exhausts air through the AV7 air outlet valve 5. After the distance between the left rear wheel and the vehicle body reaches the preset distance (or the distance between the vehicle body and the ground reaches the preset height), close the AV7 air outlet valve 5 so that the RL air spring 3 stops exhausting air.

[0046] When it is necessary to reduce the distance between the right rear wheel and the vehicle body, open the AV8 air outlet valve 5 so that the RR air spring 3 exhausts air through the AV8 air outlet valve 5. After the distance between the right rear wheel and the vehicle body reaches the preset distance (or the distance between the vehicle body and the ground reaches the preset height), close the AV8 air outlet valve 5 so that the RR air spring 3 stops exhausting air.

[0047] Among them, when it is necessary to increase the distance between the left front wheel, right front wheel and the vehicle body and reduce the distance between the left rear wheel, right rear wheel and the vehicle body, open the AV1 intake air valve 4 to connect the high-pressure gas storage tank 2 and the FL air spring 3, and open the AV2 intake air valve 4 to connect the high-pressure gas storage tank 2 and the FR air spring 3, so that the high-pressure gas storage tank 2 supplies gas to the FL and FR air springs 3. After the distance between the left front wheel, right front wheel and the vehicle body reaches the preset distance (or the distance between the vehicle body and the ground reaches the preset height), close the AV1 and AV2 intake air valves 4 to disconnect the connection between the high-pressure gas storage tank 2 and the FL and FR air springs 3. Open the AV7 and AV8 air outlet valves 5 so that the RL air spring 3 exhausts air through the AV7 air outlet valve 5 and the RR air spring 3 exhausts air through the AV8 air outlet valve 5. After the distance between the left rear wheel, right rear wheel and the vehicle body reaches the preset distance (or the distance between the vehicle body and the ground reaches the preset height), close the AV7 and AV8 air outlet valves 5 so that the RL and RR air springs 3 stop exhausting air.

[0048] Among them, when it is necessary to increase the distance between the left rear wheel, right rear wheel and the vehicle body and reduce the distance between the left front wheel, right front wheel and the vehicle body, open the AV3 intake air valve 4 to connect the high-pressure gas storage tank 2 and the RL air spring 3, and open the AV4 intake air valve 4 to connect the high-pressure gas storage tank 2 and the RR air spring 3, so that the high-pressure gas storage tank 2 supplies gas to the RL and RR air springs 3. After the distance between the left rear wheel, right rear wheel and the vehicle body reaches the preset distance (or the distance between the vehicle body and the ground reaches the preset height), close the AV3 and AV4 intake air valves 4 to disconnect the connection between the high-pressure gas storage tank 2 and the RL and RR air springs 3. Open the AV5 and AV6 air outlet valves 5 so that the FL air spring 3 exhausts air through the AV5 air outlet valve 5 and the FR air spring 3 exhausts air through the AV6 air outlet valve 5. After the distance between the left front wheel, right front wheel and the vehicle body reaches the preset distance (or the distance between the vehicle body and the ground reaches the preset height), close the AV5 and AV6 air outlet valves 5 so that the FL and FR air springs 3 stop exhausting air.

[0049] Among them, when it is necessary to increase the distance between the left front wheel, the left rear wheel and the vehicle body and reduce the distance between the right front wheel, the right rear wheel and the vehicle body, open the AV1 intake air valve 4 to connect the high-pressure gas storage tank 2 and the FL air spring 3, and open the AV3 intake air valve 4 to connect the high-pressure gas storage tank 2 and the RL air spring 3, so that the high-pressure gas storage tank 2 supplies gas to the FL and RL air springs 3. After the distance between the left front wheel, the left rear wheel and the vehicle body reaches the preset distance (or the distance between the vehicle body and the ground reaches the preset height), close the AV1 and AV3 intake air valves 4 to disconnect the connection between the high-pressure gas storage tank 2 and the FL and RL air springs 3. Open the AV6 and AV8 exhaust air valves 5 so that the FR air spring 3 exhausts through the AV6 exhaust air valve 5 and the RR air spring 3 exhausts through the AV8 exhaust air valve 5. After the distance between the right front wheel, the right rear wheel and the vehicle body reaches the preset distance (or the distance between the vehicle body and the ground reaches the preset height), close the AV6 and AV8 exhaust air valves 5 to stop the exhaust of the FR and RR air springs 3.

[0050] Among them, when it is necessary to increase the distance between the right front wheel, the right rear wheel and the vehicle body and reduce the distance between the left front wheel, the left rear wheel and the vehicle body, open the AV2 intake air valve 4 to connect the high-pressure gas storage tank 2 and the FR air spring 3, and open the AV4 intake air valve 4 to connect the high-pressure gas storage tank 2 and the RR air spring 3, so that the high-pressure gas storage tank 2 supplies gas to the FR and RR air springs 3. After the distance between the right front wheel, the right rear wheel and the vehicle body reaches the preset distance (or the distance between the vehicle body and the ground reaches the preset height), close the AV2 and AV4 intake air valves 4 to disconnect the connection between the high-pressure gas storage tank 2 and the FR and RR air springs 3. Open the AV5 and AV7 exhaust air valves 5 so that the FL air spring 3 exhausts through the AV5 exhaust air valve 5 and the RL air spring 3 exhausts through the AV7 exhaust air valve 5. After the distance between the left front wheel, the left rear wheel and the vehicle body reaches the preset distance (or the distance between the vehicle body and the ground reaches the preset height), close the AV5 and AV6 exhaust air valves 5 to stop the exhaust of the FL and RL air springs 3.

[0051] In some examples, the present application can also lift the distance between a single wheel and the vehicle body and reduce the distance between other wheels and the vehicle body. Exemplarily, when it is necessary to increase the distance between the left front wheel and the vehicle body and reduce the distance between other wheels and the vehicle body, open the AV1 intake air valve 4 to connect the high-pressure gas storage tank 2 and the FL air spring 3, so that the high-pressure gas storage tank 2 supplies gas to the FL air spring 3. After the distance between the left front wheel and the vehicle body reaches the preset distance (or the distance between the vehicle body and the ground reaches the preset height), close the AV1 intake air valve 4 to disconnect the connection between the high-pressure gas storage tank 2 and the FL air spring 3, and open the AV6, AV7, and AV8 air valves so that the FR, RL, and RR air springs 3 exhaust. After other wheels reach the preset height, close the AV6, AV7, and AV8 air valves.

[0052] According to the technical solution provided by the embodiment of the present application, the air suspension control system provided by the present application includes: an air compressor pump 1, a high-pressure gas storage tank 2, and at least two air springs 3, each air spring 3 being associated with a wheel; wherein, the air compressor pump 1 is communicated with the high-pressure gas storage tank 2 for providing high-pressure gas to the high-pressure gas storage tank 2; each air spring 3 corresponds to an intake air valve 4, and each air spring 3 is connected to the high-pressure gas storage tank 2 through the corresponding intake air valve 4. The high-pressure gas storage tank 2 is used for providing boosting gas to the air spring 3 when the intake air valve 4 corresponding to the air spring 3 is opened, so as to increase the distance between the wheel associated with the air spring 3 and the vehicle body; each air spring 3 corresponds to an exhaust air valve 5, and the exhaust air valve 5 is used for reducing the gas pressure of the corresponding air spring 3, so as to reduce the distance between the wheel associated with the air spring 3 and the vehicle body. In the air suspension control system provided by the present application, each air spring 3 can intake and exhaust independently without affecting the operation of other air springs 3, enabling the air springs 3 at each wheel end to rise and fall simultaneously, improving the adjustment accuracy and efficiency of the air springs 3, thereby enhancing the stability of the vehicle and avoiding the problem that the air suspension control system cannot accurately adjust to the height required by each air spring 3, which affects the vehicle stability. In addition, the present application supplements air to the air springs 3 through the high-pressure gas storage tank 2, directly realizing the dynamic pressure adjustment of the air springs 3 through the high-pressure gas storage tank 2 without starting the compressor, further increasing the control accuracy of the height of the air springs 3.

[0053] It can be understood that, in order to save the system resources of the air suspension control system, the present application further provides a low-pressure gas storage tank 6, which is used for receiving the gas of the corresponding air spring 3 when the exhaust air valve 5 is in the open state, and then the air compressor pump 1 boosts the gas in the low-pressure gas storage tank 6 and transmits it to the high-pressure gas storage tank 2.

[0054] Specifically, as Figure 2 shown, the air suspension control system further includes a low-pressure gas storage tank 6. Each air spring 3 is connected to the low-pressure gas storage tank 6 through the corresponding exhaust air valve 5. The low-pressure gas storage tank 6 is used for receiving the gas of the corresponding air spring 3 when the exhaust air valve 5 is in the open state; the low-pressure gas storage tank 6 is also connected to the air compressor pump 1, and the air compressor pump 1 is used for boosting the gas in the low-pressure gas storage tank 6 and transmitting it to the high-pressure gas storage tank 2.

[0055] It can be understood that in this example, a target low-pressure value of the low-pressure gas storage tank 6 is preset, and this target low-pressure value is lower than the lowest pressure value of the air spring 3, enabling the air spring 3 to exhaust gas to the low-pressure gas storage tank 6. Exemplarily, the value range of this target low-pressure value is from 1 bar to 5 bar. Taking the target low-pressure value of 2 bar as an example, as Figure 2As shown, when it is necessary to reduce the distance between the left front wheel and the vehicle body, the AV5 air outlet valve 5 is opened, and the FL air spring 3 exhausts air to the low-pressure gas storage tank 6. After the distance between the left front wheel and the vehicle body reaches the preset height, the AV5 air outlet valve 5 is closed. At any time, if the pressure value of the low-pressure gas storage tank 6 is higher than 2 bar, the air compressor 1 starts to extract gas from the low-pressure gas storage tank 6 to reduce the pressure value of the low-pressure gas storage tank 6.

[0056] In some examples, in order to achieve fine adjustment of the air spring 3, at least two pressure sensors 12 are also provided in the air suspension control system of the present application, such as Figure 2 As shown, each pressure sensor 12 corresponds to an air spring 3, and the pressure sensor 12 is used to monitor the pressure of the corresponding air spring 3 to determine that the corresponding air spring 3 reaches the target height.

[0057] It can be understood that the pressure of the air spring 3 is related to the height of the air spring 3. Among them, the greater the pressure of the air spring 3, the higher the height of the air spring 3, and the farther the distance between the corresponding wheel and the vehicle body. The smaller the pressure of the air spring 3, the lower the height of the air spring 3, 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 3 and the height of the air spring 3 is preset. In the present application, the pressure of the corresponding air spring 3 is monitored by the pressure sensor to determine that the corresponding air spring 3 reaches the target height, so as to achieve precise control of the height of the air spring 3.

[0058] In some examples, such as Figure 2 As shown, the air suspension control system further includes: a limiting air valve 13, which is arranged between the high-pressure gas storage tank 2 and the air compressor 1, and the limiting air valve 13 is used to control the connection between the high-pressure gas storage tank 2 and the air compressor 1.

[0059] Specifically, when the air compressor 1 provides high-pressure gas for the high-pressure gas storage tank 2, the limiting air valve 13 is turned on to connect the air compressor 1 and the high-pressure gas storage tank 2; when the air compressor 1 stops working, the limiting air valve 13 is closed to disconnect the air compressor 1 and the high-pressure gas storage tank 2, thereby avoiding the gas in the high-pressure gas storage tank 2 flowing back to the air compressor 1 when the air compressor 1 is not working.

[0060] In some examples, the air suspension control system further includes an exhaust air valve 7, which is connected to the high-pressure gas storage tank 2 and is used to relieve pressure from the high-pressure gas storage tank 2; specifically, if the gas pressure in the high-pressure gas storage tank 2 is too high, the exhaust air valve 7 can be opened to relieve pressure from the high-pressure gas storage tank 2, avoiding damage problems caused by excessive pressure in the high-pressure gas storage tank 2.

[0061] In some examples, such as Figure 2As shown, the air suspension control system provided by the present application further includes a motor 8, and the motor 8 is used to provide power for the air compressor 1.

[0062] In some examples, such as Figure 2 As shown, the air suspension control system provided by the present application further includes a power limit valve 9, and the power limit valve 9 is used to limit the power of the air compressor 1 to avoid the problem of damage to the air suspension control system caused by the air compressor 1 operating beyond its power.

[0063] In some examples, such as Figure 2 As shown, the air suspension control system provided by the present application further includes an air filter 10, and the air filter 10 is used to filter the air absorbed by the air compressor 1 from the outside to avoid the problem that impurities enter the high-pressure gas storage tank 2, the air spring 3, and the low-pressure gas storage tank 6 through the air compressor 1, resulting in affecting the operation of the air suspension control system.

[0064] In some examples, such as Figure 2 As shown, the air suspension control system provided by the present application further includes an air dryer 11, and the air dryer 11 is used to remove moisture and impurities in the gas transmitted by the air compressor 1 to the high-pressure gas storage tank 2 to protect the pneumatic system components (such as the high-pressure gas storage tank 2, the air spring 3, and the valve) from being corroded or blocked.

[0065] In some examples, the air suspension control system provided by the present application further includes a controller, and the controller is connected to the air compressor 1, the motor, the intake air valve 4, the outlet air valve 5, the exhaust air valve, the power limit valve, and the limit air valve, and is used to control the opening or closing of each of the above devices according to actual needs.

[0066] It can be understood that for the air suspension control system provided by the present application, when the distance between a single wheel and the vehicle body is increased, the intake air valve 4 corresponding to the air spring 3 is opened, and the high-pressure gas storage tank 2 inflates the air spring 3 corresponding to the wheel. The pressure sensor detects the pressure of the air spring 3. After the pressure of the air spring 3 indicates that the height of the air spring 3 reaches the preset height, the intake air valve 4 corresponding to the air spring 3 is closed; when the distance between a single wheel and the vehicle body is decreased, the outlet air valve 5 corresponding to the air spring 3 is opened, and the air spring 3 inflates the low-pressure gas storage tank 6. The pressure sensor detects the deflation pressure. After the pressure of the air spring 3 indicates that the height of the air spring 3 reaches the preset height, the outlet air valve 5 corresponding to the air spring 3 is closed. In this adjustment process, the compressor does not start, thereby reducing the energy consumption of the air suspension control system.

[0067] The air suspension control system provided by this application, when it is necessary to increase the distance between multiple wheels and the vehicle body and decrease the distance between multiple wheels and the vehicle body, opens the intake air valve 4 corresponding to the wheels, inflates the air springs 3 through the high-pressure gas storage tank 2, detects the inflation pressure by the pressure sensor, and at the same time deflates the air springs 3 corresponding to the wheels whose distance from the vehicle body needs to be decreased, detects the deflation pressure by the pressure sensor. After reaching the preset height, closes the outlet air valve 5 corresponding to the air springs 3, thereby realizing the adjustment of multiple air springs 3 together and improving the adjustment rate.

[0068] Any combination of the above all optional technical solutions can form an optional embodiment of this application, which will not be elaborated one by one here.

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

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

[0071] S301. Obtain the height adjustment requirement of the wheel;

[0072] S302. When the height adjustment requirement is to increase the height of the wheel, determine the air spring corresponding to the wheel;

[0073] S303. Control the intake air valve corresponding to the air spring to conduct, so that the high-pressure gas storage tank provides boosting gas for the air spring when the intake air valve corresponding to the air spring is opened, to increase the height of the wheel;

[0074] S304. When the height adjustment requirement is to decrease the height of the wheel, control the outlet air valve corresponding to the air spring to conduct, so that the air spring deflates to decrease the height of the wheel.

[0075] It can be understood that the air suspension control method provided by this application is applied to the air suspension control system in the above embodiment.

[0076] Specifically, this application will obtain the height adjustment requirement of the wheel, which can be determined by an instruction issued by the user, or can be determined by the vehicle itself according to the road conditions. It can be understood that this height adjustment requirement is used to indicate increasing the height of the wheel or decreasing the height of the wheel. Among them, increasing the height of the wheel means increasing the height between the wheel and the vehicle body, and decreasing the height of the wheel means decreasing the height between the wheel and the vehicle body.

[0077] Since there are at least two air springs on the vehicle (for example, two air springs corresponding to the two wheels of the front axle of the vehicle are respectively provided, and / or, two air springs corresponding to the two wheels at the rear of the vehicle are respectively provided), when the height adjustment requirement is to increase the height of the wheel, the air spring corresponding to the wheel needs to be determined, and then the intake air valve corresponding to the air spring is controlled to conduct, so that when the intake air valve corresponding to the air spring is opened, the high-pressure air storage tank provides pressurized gas for the air spring to increase the height of the wheel until the height of the air spring reaches the height corresponding to the height adjustment requirement, and then the intake air valve corresponding to the air spring is closed to disconnect the connection between the air spring and the high-pressure air storage tank.

[0078] Exemplarily, taking the height adjustment requirements corresponding to the two wheels of the front axle of the vehicle received as an example, in this example, the air springs corresponding to the two wheels of the front axle will be determined respectively to perform subsequent control steps.

[0079] Similarly, when the height adjustment requirement is to decrease the height of the wheel, the present application will control the exhaust air valve corresponding to the air spring associated with the wheel to conduct, so that the air spring deflates to decrease the height of the wheel until the height of the air spring reaches the height corresponding to the height adjustment requirement, and then the exhaust air valve corresponding to the air spring is closed.

[0080] It can be understood that each pressure sensor corresponds to an air spring, and the pressure sensor is used to monitor the pressure of the corresponding air spring to determine that the corresponding air spring reaches the target height. It can be understood that the height of the air spring is related to the pressure of the air spring. Among them, the greater the pressure of the air spring, the higher the height of the air spring, and the farther 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 corresponding relationship between the pressure of the air spring and the height of the air spring is preset. In the present application, the pressure of the corresponding air spring is monitored by the pressure sensor to determine that the corresponding air spring reaches the target height, so as to achieve precise control of the height of the air spring.

[0081] In some examples, after controlling the air intake air valve corresponding to the air spring to be turned on, the method further includes: obtaining a target height corresponding to the wheel, which is the height after the wheel is increased in height; obtaining an inflation pressure corresponding to the target height, and monitoring the current pressure of the air spring through a pressure sensor corresponding to the air spring; when the current pressure of the air spring meets the inflation pressure, controlling the air intake air valve corresponding to the air spring to disconnect the connection between the air spring and the high-pressure air storage tank. The above steps monitor the height of the air spring by setting a corresponding relationship between pressure and height, and determining whether the air spring is increased to the target height by detecting the pressure of the air spring, thereby avoiding the problem of over-inflation or under-inflation of the air spring; it can be understood that after controlling the air outlet air valve corresponding to the air spring to be turned on, the method further includes: obtaining a target height corresponding to the wheel, which is the height after the wheel is lowered in height; obtaining an inflation pressure corresponding to the target height, and monitoring the current pressure of the air spring through a pressure sensor corresponding to the air spring; when the current pressure of the air spring meets the inflation pressure, controlling the air outlet air valve corresponding to the air spring to disconnect the connection of the air spring and stop the air spring from deflating.

[0082] 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.

[0083] According to the technical solution provided in the embodiment of the present application, the air suspension control method obtains the height adjustment demand of the wheel; when the height adjustment demand is to increase the wheel height, the air spring corresponding to the wheel is determined; the intake air valve corresponding to the air spring is controlled to be turned on, so that the high-pressure air storage tank provides pressurized gas to the air spring when the intake air valve corresponding to the air spring is opened to increase the height of the wheel; when the height adjustment demand is to reduce the wheel height, the outlet air valve corresponding to the air spring is controlled to be turned on, so that the air spring is deflated to reduce the height of the wheel. In the present application, each air spring is independently controlled so that each air spring can be independently inlet and outlet without affecting the work of other air springs, thereby allowing the air spring at each wheel end to rise and fall simultaneously without affecting the work of other air springs at the wheel end, 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 storage tank, and directly realizes the dynamic pressure adjustment of the air spring through the high-pressure air storage tank, without starting the compressor, and further increases the control accuracy of the air spring height.

[0084] In some embodiments, Figure 4As shown, controlling the intake air valve corresponding to the air spring to conduct includes:

[0085] S401. Obtain the driving mode and motion posture of the vehicle, and determine the opening degree of the intake air valve corresponding to the air spring according to the driving mode and motion posture;

[0086] S402. Control the intake air valve corresponding to the air spring to conduct according to the determined opening degree.

[0087] It can be understood that when inflating the air spring, if you want to improve the comfort of the vehicle and reduce the discomfort caused by the air spring inflation process, you need to reduce the inflation speed of the air spring; if you want to quickly complete the inflation of the air spring, you need to increase the inflation speed of the air spring.

[0088] It can be understood that, under the condition that other reference factors remain unchanged, the opening degree of the intake air valve can affect the inflation speed of the air spring. Specifically, if the opening degree of the intake air valve is large, the inflation speed of the air spring is fast; if the opening degree of the intake air valve is small, the inflation speed of the air spring is slow.

[0089] For the above reasons, this application will obtain the driving mode and motion posture of the vehicle, and determine the opening degree of the intake air valve corresponding to the air spring according to the driving mode and motion posture. It can be understood that different driving modes and motion postures correspond to different opening degrees. Exemplarily, when the driving mode of the vehicle is sports and the body posture is inclined, in order to improve the maneuverability of the vehicle and to avoid the problem of vehicle rollover, it is necessary to quickly complete the inflation of the air spring. Therefore, at this time, the opening degree of the intake air valve is set to 90%; for another example, when the driving mode of the vehicle is comfort and the body posture is normal, in order to ensure driving comfort and avoid the problem of affecting comfort caused by too fast adjustment of the air spring, the opening degree of the intake air valve is set to 30%, and the discomfort caused by the adjustment process is reduced as much as possible.

[0090] It can be understood that the corresponding relationship between the driving mode and motion posture and the opening degree is flexibly set by relevant personnel according to actual needs, and this application does not limit the form of the corresponding relationship between the driving mode and motion posture and the opening degree. Exemplarily, the corresponding relationship between the driving mode and motion posture and the opening degree can be stored in any form such as hash, key-value pair, database, and table.

[0091] In some examples, after determining the opening degree, the intake air valve corresponding to the air spring will be controlled to conduct according to the determined opening degree. For example, if the determined opening degree is 30%, the intake air valve will be controlled to conduct 30%.

[0092] It can be understood that when it is necessary to control the air outlet air valve corresponding to the air spring to conduct and deflate the air spring, it is also necessary to obtain the driving mode and motion posture of the vehicle, and determine the opening degree of the air outlet air valve corresponding to the air spring according to the driving mode and motion posture; according to the determined opening degree, control the air inlet air valve corresponding to the air spring to conduct, which will not be elaborated here.

[0093] According to the technical solution provided by the embodiment of the present application, obtaining the driving mode and motion posture of the vehicle, and determining the opening degree of the air inlet air valve corresponding to the air spring according to the driving mode and motion posture; according to the determined opening degree, controlling the air inlet air valve corresponding to the air spring to conduct, realizes the control of the inflation speed of the air spring, so that the inflation speed can match the driving mode and motion posture, thereby improving the comfort and stability.

[0094] In some embodiments, such as Figure 5 shown, controlling the air inlet air valve corresponding to the air spring to conduct according to the determined opening degree includes:

[0095] S501. Determine the inflation amount according to the height adjustment requirement and the current height of the wheel, and determine the inflation time of the air inlet air valve based on the determined opening degree and inflation amount;

[0096] S502. Based on the determined opening degree, control the air inlet air valve corresponding to the air spring to conduct, and close the air inlet air valve corresponding to the air spring when the conduction time of the air inlet air valve corresponding to the air spring meets the inflation time.

[0097] It can be understood that in order to avoid the problems of excessive inflation or insufficient inflation amount of the air spring, the present application will determine the inflation time, and close the air inlet air valve corresponding to the air spring when the conduction time of the air inlet air valve meets the inflation time.

[0098] It can be understood that in order to determine the accurate inflation time, the present application needs to first determine the inflation amount required by the air spring, which is jointly determined by the height adjustment requirement and the current height of the wheel. Among them, the current height is the current distance between the wheel and the vehicle body. According to the height adjustment requirement and the current height, the height that the air spring needs to be adjusted can be determined, and the inflation amount can be determined according to the determined height that the air spring needs to be adjusted (for example, the corresponding relationship between the current height, the height that needs to be adjusted and the inflation amount is set in advance, and then the inflation amount can be accurately determined according to the determined height that the air spring needs to be adjusted).

[0099] After determining the required inflation volume, the inflation time can be accurately obtained by acquiring the inflation volume of the air spring per unit time. Specifically, dividing the inflation volume by the inflation volume of the air spring per unit time can obtain the inflation time. It can be understood that the inflation volume of the air spring per unit time is determined by the opening degree of the intake air valve. Among them, this application pre-sets the corresponding relationship between the opening degree and the inflation volume per unit time. By acquiring the opening degree of the intake air valve and then matching the opening degree of the intake air valve with the above-mentioned corresponding relationship between the opening degree and the inflation volume per unit time, the inflation volume of the air spring per unit time can be obtained.

[0100] This application will control the corresponding intake air valve of the air spring to conduct based on the determined opening degree, and close the corresponding intake air valve of the air spring when the conduction time of the corresponding intake air valve of the air spring meets the inflation time, so that the inflation volume of the air spring is the determined inflation volume.

[0101] It can be understood that when deflating the air spring, the deflation volume will also be determined according to the height adjustment requirement and the current height of the wheel, and the deflation time of the intake air valve will be determined based on the determined opening degree and inflation volume; control the corresponding exhaust air valve of the air spring to conduct based on the determined opening degree, and close the corresponding exhaust air valve of the air spring when the conduction time of the corresponding exhaust air valve of the air spring meets the deflation time.

[0102] According to the technical solution provided by the embodiment of the present application, the inflation volume is determined according to the height adjustment requirement and the current height of the wheel, and the inflation time of the intake air valve is determined based on the determined opening degree and inflation volume; control the corresponding intake air valve of the air spring to conduct based on the determined opening degree, and close the corresponding intake air valve of the air spring when the conduction time of the corresponding intake air valve of the air spring meets the inflation time, so that the inflation volume of the air spring meets the height adjustment requirement, thereby improving the user's vehicle use experience.

[0103] In some embodiments, the air suspension control system includes a low-pressure gas storage tank. The low-pressure gas storage tank is connected to an air compressor, and each air spring is connected to the low-pressure gas storage tank through a corresponding exhaust air valve, as Figure 6 shown, the method further includes:

[0104] S601. Obtain the pressure value of the low-pressure gas storage tank;

[0105] S602. When the pressure value of the low-pressure gas storage tank is higher than the pre-set low-pressure threshold, control the air compressor to deflate the low-pressure gas storage tank until the pressure value of the low-pressure gas storage tank is lower than the low-pressure threshold.

[0106] It can be understood that the present application also provides a low-pressure gas storage tank, which is used to receive the gas of the corresponding air spring when the outlet air valve is in the open state, and then the gas in the low-pressure gas storage tank is pressurized by an air compressor and transmitted to the high-pressure gas storage tank. The low-pressure gas storage tank is also connected to the air compressor, and the air compressor is used to pressurize the gas in the low-pressure gas storage tank and transmit it to the high-pressure gas storage tank.

[0107] It can be understood that in this example, a target low-pressure value of the low-pressure gas storage tank is preset, and the target low-pressure value is lower than the minimum pressure value of the air spring, so that the air spring can exhaust gas to the low-pressure gas storage tank. Exemplarily, the value range of the target low-pressure value is from 1 bar to 5 bar. Taking the target low-pressure value of 2 bar as an example, as Figure 2 shown, when it is necessary to reduce the distance between the left front wheel and the vehicle body, the AV5 outlet air valve is opened, and the FL air spring exhausts gas to the low-pressure gas storage tank. After the distance between the left front wheel and the vehicle body reaches the preset height, the AV5 outlet air valve is closed. At any time, if the pressure value of the low-pressure gas storage tank is higher than 2 bar, the air compressor starts to extract gas from the low-pressure gas storage tank to reduce the pressure value of the low-pressure gas storage tank.

[0108] According to the technical solution provided by the embodiment of the present application, the pressure value of the low-pressure gas storage tank is taken. When the pressure value of the low-pressure gas storage tank is higher than the preset low-pressure threshold, the air compressor is controlled to release gas from the low-pressure gas storage tank until the pressure value of the low-pressure gas storage tank is lower than the low-pressure threshold, thereby ensuring that there is a pressure difference between the low-pressure gas storage tank and the air spring, so that the air spring can release gas to the low-pressure gas storage tank.

[0109] Figure 7 is a schematic diagram of the electronic device 7 provided by the embodiment of the present application. As Figure 7 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 method embodiment described above are implemented. Alternatively, when the processor 701 executes the computer program 703, the functions of each module / unit in each device embodiment described above are implemented.

[0110] The electronic device 7 may be a desktop computer, a notebook, a palm computer, a cloud server, or other electronic devices. The electronic device 7 may include, but is not limited to, the processor 701 and the memory 702. Those skilled in the art can understand that Figure 7 this is only an example of the electronic device 7, and does not constitute a limitation on the electronic device 7. It may include more or fewer components than those shown in the figure, or different components.

[0111] The processor 701 can be a Central Processing Unit (CPU), or other general-purpose processors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field-Programmable Gate Arrays (FPGAs), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc.

[0112] The memory 702 can be an internal storage unit of the electronic device 7. For example, the hard disk or memory of the electronic device 7. The memory 702 can also be an external storage device of the electronic device 7. For example, a plug-in hard disk equipped on the electronic device 7, a Smart Media Card (SMC), a Secure Digital (SD) card, a FlashCard, etc. The memory 702 can also include both an internal storage unit and an external storage device of the electronic device 7. The memory 702 is used to store computer programs and other programs and data required by the electronic device.

[0113] Those skilled in the art can clearly understand that, for the convenience and simplicity of description, only the above division of each functional unit and module is used as an example. In practical applications, the above functions can be allocated to different functional units and modules according to needs, 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 embodiments can be integrated in a processing unit, or each unit can exist physically alone, or two or more units can be integrated in one unit. The above integrated units can be implemented in the form of hardware or in the form of software functional units.

[0114] When 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, to implement all or part of the processes in the above-described embodiment methods of this application, it can also be completed by a computer program instructing relevant hardware. The computer program can be stored in a computer-readable storage medium. When the computer program is executed by a processor, the steps of each of the above method embodiments can be implemented. The computer program can include computer program code, and the computer program code can be in the form of source code, object code, executable file, or some intermediate form, etc. The computer-readable medium can include: any entity or device capable of carrying the computer program code, recording medium, USB flash drive, mobile hard disk, magnetic disk, optical disc, computer memory, read-only memory (ROM), random access memory (RAM), electrical carrier distance, telecommunication distance, and software distribution medium, etc. It should be noted that the content included in the computer-readable medium can be appropriately increased or decreased according to regional requirements and patent practice requirements. For example, in some regions, according to regional requirements and patent practice, the computer-readable medium does not include electrical carrier distance and telecommunication distance.

[0115] The above embodiments are only used to illustrate the technical solutions of this application, rather than to limit them; although this application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in each of the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of each embodiment of this application, and should all be included in the protection scope of this application.

Claims

1. An air suspension control system, characterized in that: The system comprises: an air compressor, a high-pressure air tank and at least two air springs, each of which is associated with a wheel; wherein, The air compressor is connected to the high-pressure gas storage tank and is used to provide high-pressure gas to the high-pressure gas storage tank; Each of the air springs corresponds to an intake air valve, and each of the air springs is connected to the high-pressure gas storage tank through the corresponding intake air valve. The high-pressure gas storage tank is used to provide pressurized gas to the air spring when the intake air valve corresponding to the air spring is opened, so as to increase the distance between the wheel associated with the air spring and the vehicle body; Each of the air springs corresponds to an outlet air valve, and the outlet air valve is used to reduce the gas pressure of the corresponding air spring to reduce the distance between the wheel associated with the air spring and the vehicle body.

2. The system according to claim 1, characterized in that The air suspension control system further includes a low-pressure gas storage tank, each of the air springs is connected to the low-pressure gas storage tank via the corresponding outlet air valve, and the low-pressure gas storage tank is used to receive gas from the corresponding air spring when the outlet air valve is in an open state; The low-pressure gas storage tank is also connected to the air pressure pump, and the air pressure pump is used to pressurize the gas in the low-pressure gas storage tank and then transmit it to the high-pressure gas storage tank.

3. An air suspension control method, characterized in that: The method is applied to the air suspension control system according to claim 1 or 2, and the method comprises: Obtain the height adjustment requirements of the wheels; When the height adjustment requirement is to increase the wheel height, determining an air spring corresponding to the wheel; Controlling the intake air valve corresponding to the air spring to be turned on, so that when the intake air valve corresponding to the air spring is opened, the high-pressure air storage tank provides pressurized gas to the air spring to raise the height of the wheel; When the height adjustment requirement is to lower the wheel height, the outlet air valve corresponding to the air spring is controlled to be turned on, so that the air spring is deflated to lower the wheel height.

4. The method according to claim 3, characterized in that Controlling the conduction of the intake air valve corresponding to the air spring includes: Acquiring a driving mode and a movement posture of a vehicle, and determining an opening of the intake air valve corresponding to the air spring according to the driving mode and the movement posture; According to the determined opening degree, the intake air valve corresponding to the air spring is controlled to be turned on.

5. The method according to claim 3, characterized in that: According to the determined opening degree, controlling the intake air valve corresponding to the air spring to be turned on includes: determining an inflation amount according to the height adjustment requirement and the current height of the wheel, and determining an inflation time of the intake air valve based on the determined opening and the inflation amount; The intake air valve corresponding to the air spring is controlled to be turned on based on the determined opening degree, and the intake air valve corresponding to the air spring is closed when the on time of the intake air valve corresponding to the air spring meets the charging time.

6. The method according to claim 3, characterized in that After controlling the intake air valve corresponding to the air spring to be turned on, the method further includes: Obtaining a target height corresponding to the wheel, the target height being the height of the wheel after adding the wheel height; Acquire the inflation pressure corresponding to the target height, and monitor the current pressure of the air spring through a pressure sensor corresponding to the air spring; When the current pressure of the air spring meets the charging pressure, the intake air valve corresponding to the air spring is controlled to disconnect the connection between the air spring and the high-pressure air storage tank.

7. The method according to claim 3, 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.

8. The method according to claim 4, characterized in that The air suspension control system includes a low-pressure air tank, the low-pressure air tank is connected to an air pump, and each of the air springs is connected to the low-pressure air tank via a corresponding air outlet valve, and the method further includes: Obtaining the pressure value of the low-pressure gas storage tank; When the pressure value of the low-pressure air storage tank is higher than a preset target low-pressure value, the air pump is controlled to deflate the low-pressure air storage tank until the pressure value of the low-pressure air storage tank is lower than the target low-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 3 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 3 to 8 are implemented.

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