Air supply system, air supply method and vehicle

Abstract

The present application relates to an air supply system, an air supply method and a vehicle, and relates to the technical field of vehicle chassis. The air supply system includes a supercharger for pressurizing the inhaled air; a gas tank for storing gas; an airbag group, including at least one airbag, for adjusting the vehicle body height by inhaling or exhausting air; a solenoid valve group for controlling the opening or closing of a channel; a channel group for connecting the supercharger, the gas tank, the airbag group, and the solenoid valve group; a control unit for controlling the air supply system by controlling the operation of the supercharger and / or the opening and closing of the solenoid valve group to adjust the vehicle height or suspension stiffness, thereby improving the comfort and passability of the vehicle.

Description

Technical Field

[0001] The present application relates to the technical field of vehicle chassis, and in particular to an air supply system, an air supply method and a vehicle. Background Art

[0002] The vehicle changes the height of the vehicle body or the stiffness of the suspension through the air suspension system. The air supply module of the air suspension system increases the height of the vehicle body by inflating the airbag of the air spring. The air supply module can also reduce the height of the vehicle body by discharging the gas in the airbag of the air spring. The existing air supply module includes a supercharger, an air tank, a distribution valve block and a control unit. However, the existing air supply module has some positions that are raised and the remaining positions cannot be lowered at the same time, resulting in a long adjustment time. In addition, when one or part of the solenoid valves fail and cannot be closed, the height of the corresponding position of the suspension cannot be lowered, and the vehicle must drive at a limited speed; and when the high-pressure gas in the airbag is pressed into the air tank, the inlet pressure of the air tank cannot be monitored in real time.

[0003] Therefore, it is desirable to provide an air supply system, an air supply method and a vehicle, wherein the air supply system comprises a supercharger for pressurizing the inhaled air; an air tank for storing gas; an airbag group, comprising at least one airbag, for adjusting the vehicle body height by inhaling or exhausting air; a solenoid valve group for controlling the opening or closing of a channel; a channel group for connecting the supercharger, the air tank, the airbag group and the solenoid valve group; and a control unit for controlling the air supply system by controlling the operation of the supercharger and / or the opening and closing of the solenoid valve group, so as to adjust the vehicle height or suspension stiffness, thereby improving the comfort and passability of the vehicle. Summary of the invention

[0004] According to a first aspect of some embodiments of the present application, an air supply system is provided, which may include a supercharger for pressurizing the inhaled air; an air tank for storing gas; an airbag group, including at least one airbag, for adjusting the vehicle body height by suction or exhaust; a solenoid valve group, for controlling the opening or closing of a channel; a channel group, for connecting the supercharger, the air tank, the airbag group, and the solenoid valve group; and a control unit, for controlling the air supply system to adjust the vehicle by controlling the operation of the supercharger and / or the opening and closing of the solenoid valve group.

[0005] In some embodiments, the channel group includes channel 211 , channel 212 , channel 213 , channel 214 , channel 215 , and channel 216 .

[0006] In some embodiments, the system also includes a dryer and an exhaust valve, the solenoid valve group includes solenoid valve group 1, solenoid valve group 2, and solenoid valve group 3, one end of the channel 211 is connected to the solenoid valve group 2 and the solenoid valve group 3, and the other end is connected to the supercharger; one end of the channel 214 is connected to the exhaust valve, and the other end is connected to the supercharger and the dryer.

[0007] In some embodiments, the system also includes an air plug group and a one-way valve group, the air plug group includes air plug 1 and air plug 2, the one-way valve group includes one-way valve 1 and one-way valve 2, one end of the channel 216 is connected to the air plug 2, and the other end is connected to the one-way valve 2; one end of the channel 215 is connected to the dryer, and the other end is connected to the one-way valve 1 and the air plug 1.

[0008] In some embodiments, the system further includes a pressure sensor, one end of the channel 213 is connected to the solenoid valve group 1, the pressure sensor, and the air plug 2, and the other end is connected to the air plug 1 and the one-way valve 1.

[0009] According to the second aspect of some embodiments of the present application, an air supply method is provided, which applies the air supply system of the present application, and the method includes sucking in air through a supercharger to perform supercharging; sending the supercharged gas into an air tank or an airbag group by controlling the solenoid valve group, and measuring the pressure of the air tank or the airbag group.

[0010] In some embodiments, the solenoid valve group includes solenoid valve group 1, solenoid valve group 2, and solenoid valve group 3. The supercharger inhales air and sends it into the air tank after pressurization by controlling the solenoid valve group 3, and measures the inlet pressure of the air tank; or controls the solenoid valve group 1 and / or the solenoid valve group 2, sends it into the airbag group after pressurization, and measures the air pressure of the airbag group.

[0011] In some embodiments, the solenoid valve group includes solenoid valve group 1, solenoid valve group 2, and solenoid valve group 3. Sending gas to the airbag group through the gas tank specifically includes sending the high-pressure gas in the gas tank into the airbag group by controlling the solenoid valve group 3, the solenoid valve group 1 and / or the solenoid valve group 2; or further compressing the high-pressure gas in the gas tank and sending it into the airbag group, and monitoring the inlet pressure of the airbag group in real time.

[0012] In some embodiments, the solenoid valve group includes solenoid valve group 1, solenoid valve group 2, and solenoid valve group 3. By controlling the solenoid valve group 3 and the exhaust valve, the high-pressure gas in the gas storage tank is discharged into the atmosphere; or by controlling the solenoid valve group 1 and / or the solenoid valve group 2 and the exhaust valve, the high-pressure gas of the airbag group is discharged into the atmosphere.

[0013] In some embodiments, adjusting the vehicle by controlling the gas of the airbag group specifically includes compressing the high-pressure gas of the airbag group and sending it into the gas tank; or discharging the high-pressure gas of the airbag group into the atmosphere through the supercharger to lower the vehicle suspension.

[0014] In some embodiments, the airbag group includes airbag 1, airbag 2, airbag 3, and airbag 4. Adjusting the vehicle by controlling the gas of the airbag group specifically includes compressing the high-pressure gas of airbags 1 and 2 and sending it into airbags 3 and 4, and pressing the excess gas into the air tank; or compressing the high-pressure gas of airbags 3 and 4 and sending it into airbags 1 and 2, and pressing the excess gas into the air tank, so as to simultaneously adjust the vehicle's rise and fall.

[0015] In some embodiments, the airbag group includes airbag 1, airbag 2, airbag 3, and airbag 4. Adjusting the vehicle by controlling the gas of the airbag group specifically includes compressing the high-pressure gas of airbag 1 and sending it into airbags 2, 3, and 4, and pressing excess gas into the gas tank to balance the air pressure of each airbag to maintain the stability of the vehicle body.

[0016] According to a third aspect of some embodiments of the present application, a vehicle is provided, applying the air supply system of the present application, or executing the air supply method of the present application.

[0017] The present application discloses an air supply system, an air supply method and a vehicle, which relate to the technical field of vehicle chassis. The air supply system includes a supercharger for pressurizing the inhaled air; a gas tank for storing gas; an airbag group including at least one airbag for adjusting the vehicle body height by inhaling or exhausting air; a solenoid valve group for controlling the opening or closing of a channel; a channel group for connecting the supercharger, the gas tank, the airbag group and the solenoid valve group; and a control unit for controlling the air supply system by controlling the operation of the supercharger and / or the opening and closing of the solenoid valve group to adjust the vehicle height or suspension stiffness, thereby improving the comfort and passability of the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to better understand and explain some embodiments of the present application, the following description of the embodiments will be made with reference to the accompanying drawings, in which the same reference numerals indicate corresponding parts in the drawings.

[0019] Figure 1 is an exemplary schematic diagram of an air supply system provided according to some embodiments of the present application.

[0020] Figure 2 It is an exemplary schematic diagram of air supply mode 1 of an air supply system provided according to some embodiments of the present application.

[0021] Figure 3It is an exemplary schematic diagram of air supply mode 2 of an air supply system provided according to some embodiments of the present application.

[0022] Figure 4 It is an exemplary schematic diagram of air supply mode three of an air supply system provided according to some embodiments of the present application.

[0023] Figure 5 It is an exemplary schematic diagram of air supply mode 4 of an air supply system provided according to some embodiments of the present application.

[0024] Figure 6 is an exemplary schematic diagram of exhaust mode 1 of an air supply system provided according to some embodiments of the present application.

[0025] Figure 7 is an exemplary schematic diagram of exhaust mode 2 of an air supply system provided according to some embodiments of the present application.

[0026] Figure 8 is an exemplary schematic diagram of the first adjustment mode of the air supply system provided according to some embodiments of the present application.

[0027] Fig. 9 is an exemplary schematic diagram of the second adjustment mode of the air supply system provided according to some embodiments of the present application.

[0028] Fig.10 is an exemplary schematic diagram of air supply system adjustment mode three provided according to some embodiments of the present application.

[0029] Fig.11 is an exemplary schematic diagram of measurement mode 1 of an air supply system provided according to some embodiments of the present application.

[0030] Fig.12 is an exemplary schematic diagram of the air supply system measurement mode 2 provided according to some embodiments of the present application. DETAILED DESCRIPTION

[0031] The following description with reference to the accompanying drawings is intended to facilitate a comprehensive understanding of the various embodiments of the present application as defined by the claims and their equivalents. These embodiments include various specific details for ease of understanding, but these are considered to be exemplary only. Therefore, it will be appreciated by those skilled in the art that various changes and modifications to the various embodiments described herein will not depart from the scope and spirit of the present application. In addition, in order to briefly and clearly describe the present application, the present application will omit the description of known functions and structures.

[0032] The terms and phrases used in the following specification and claims are not limited to the literal meanings, but are only to enable a clear and consistent understanding of the present application. Therefore, it will be appreciated by those skilled in the art that the description of various embodiments of the present application is provided only for the purpose of illustration, rather than to limit the present application of the appended claims and their equivalent definitions.

[0033] The following will be combined with the drawings in some embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0034] It should be noted that the terms used in the embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the present application. The singular forms of "one", "one", "a kind of", "said" and "the" used in the embodiments of the present application and the appended claims are also intended to include plural forms, unless the context clearly indicates other meanings. It should also be understood that the term "and / or" used in the present application refers to and includes any or all possible combinations of one or more bound listed items. The expressions "first", "second", "the first" and "the second" are used to modify the corresponding elements without considering the order or importance, and are only used to distinguish one element from another element, without limiting the corresponding elements.

[0035] The embodiments of the present application provide an air supply system, an air supply method and a vehicle. To facilitate understanding of the embodiments of the present application, the embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0036] Figure 1 is an exemplary schematic diagram of an air supply system provided according to some embodiments of the present application. Figure 1 is an exemplary schematic diagram of an air supply system provided according to some embodiments of the present application.

[0037] like Figure 1As shown, the air supply system includes a supercharger 11 for supercharging the inhaled air; an air tank 17 for storing gas; an airbag group (221, 222, 223, 224) for adjusting by suction or exhaust; an electromagnetic valve group (electromagnetic valve group 1, electromagnetic valve group 2, electromagnetic valve group 3) for controlling the opening or closing of the channel; a channel group (211, 212, 213, 214, 215, 216) for connecting the supercharger 11, the air tank 17, the airbag group (221, 222, 223, 224), and the electromagnetic valve group (electromagnetic valve group 1, electromagnetic valve group 2, electromagnetic valve group 3); and a control unit for controlling the air supply system to adjust the vehicle. The airbag group includes airbag 1 (221), airbag 2 (222), airbag 3 (223), and airbag 4 (224).

[0038] According to some embodiments of the present application, the system further includes a dryer 18, an air plug group (191, 192), a one-way valve group (201, 202), a pressure sensor 16, etc. The air plug group includes an air plug 1 (191) and an air plug 2 (192), and the one-way valve group includes a one-way valve 1 (201) and a one-way valve 2 (202).

[0039] According to some embodiments of the present application, the channel group includes channel 211, channel 212, channel 213, channel 214, channel 215, and channel 216. In some embodiments, one end of the channel 211 is connected to the solenoid valve group 2 (141, 142, 143, 144) and the solenoid valve group 3 (131, 132, 133), and the other end is connected to the supercharger 11; one end of the channel 214 is connected to the exhaust valve 12, and the other end is connected to the outlet of the supercharger 11 and the dryer 18.

[0040] In some embodiments, one end of the channel 216 is connected to the air plug 2 (192), and the other end is connected to the one-way valve 2 (202); one end of the channel 215 is connected to the dryer 18, and the other end is connected to the one-way valve 1 (201) and the air plug 1 (191).

[0041] In some embodiments, one end of the channel 213 is connected to the solenoid valve group 1 (151, 152, 153, 154), the pressure sensor 16, and the air plug 2 (192), and the other end is connected to the air plug 1 (191) and the one-way valve 1 (201).

[0042] According to some embodiments of the present application, an air supply method applies the air supply system of the present application, and the method includes a supercharger 11 sucking in air for supercharging; sending the pressurized gas into an air tank 17 or an air bag group (221, 222, 223, 224) by controlling the solenoid valve group (solenoid valve group 1, solenoid valve group 2, solenoid valve group 3), and measuring the pressure of the air tank 17 or the air bag group (221, 222, 223, 224); and discharging the gas in the air tank 17 or the air bag group (221, 222, 223, 224) into the atmosphere.

[0043] In some embodiments, the air supply system includes air supply by a supercharger and air supply by an air tank, wherein the air supply by the supercharger may include air supply to an air tank or to an air bag group. As an example, the supercharger inhales air, controls the solenoid valve group 3, and supplies the air to the air tank after pressurization, and measures the inlet pressure of the air tank. For another example, controls the solenoid valve group 1 and / or the solenoid valve group 2, and supplies the air to the air bag group after pressurization, and measures the air pressure of the air bag group. Figure 2 , Figure 3 shown.

[0044] In some embodiments, the gas supply from the gas tank may include directly supplying the gas to the airbag group or supplying the gas to the airbag group after compression. As an example, supplying the gas to the airbag group through the gas tank specifically includes supplying the high-pressure gas of the gas tank to the airbag group by controlling the solenoid valve group 3, the solenoid valve group 1 and / or the solenoid valve group 2. For another example, the high-pressure gas of the gas tank is further compressed and then supplied to the airbag group, and the inlet pressure of the airbag group is monitored in real time to prevent excessive pressure. Figure 4 , Figure 5 shown.

[0045] Figure 2 FIG. 1 is an exemplary schematic diagram of air supply mode 1 of an air supply system according to some embodiments of the present application. Figure 2 As shown, in some embodiments, the supercharger 11 sucks in air, controls the solenoid valve group 3 (132), and sends it to the air storage tank 17 after being pressurized, and measures the inlet pressure of the air storage tank 17. As an example, the control unit can control the solenoid valve 132 to be powered on and closed, and other solenoid valves to remain normally open, and control the pump to start working at the same time.

[0046] Figure 3 FIG. 2 is an exemplary schematic diagram of air supply mode 2 of an air supply system according to some embodiments of the present application. Figure 3As shown, in some embodiments, the supercharger 11 inhales air, controls the solenoid valve group 1 (151, 152, 153, 154), and sends it to the airbag group (221, 222, 223, 224) after pressurization, and measures the air pressure of the airbag group (221, 222, 223, 224). As an example, the control unit can control the solenoid valves 151, 152, 153, 154 to be powered on and closed, and the other solenoid valves remain normally open, and control the pump to start working at the same time.

[0047] Figure 4 FIG. 1 is an exemplary schematic diagram of air supply mode 3 of an air supply system according to some embodiments of the present application. Figure 4 As shown, in some embodiments, delivering gas to the airbag group (221, 222, 223, 224) through the gas tank 17 specifically includes delivering the high-pressure gas of the gas tank 17 to the airbag group (221, 222, 223, 224) by controlling the solenoid valve group 3 (132) and the solenoid valve group 1 (151, 152, 153, 154). As an example, the control unit can control the solenoid valve 132 to be powered on and closed, and control the solenoid valves 151, 152, 153, 154 to be powered on and closed, and keep the other solenoid valves normally open.

[0048] Figure 5 FIG. 1 is an exemplary schematic diagram of air supply mode 4 of an air supply system provided according to some embodiments of the present application. Figure 5 As shown, in some embodiments, by controlling the electromagnetic valve group 3 (133) and the electromagnetic valve group 1 (151, 152, 153, 154), the high-pressure gas in the gas storage tank 17 is further compressed and sent to the air bag group (221, 222, 223, 224), and the inlet pressure of the air bag group (221, 222, 223, 224) is monitored in real time. As an example, the control unit can control the electromagnetic valve 133 to be powered on and closed, control the electromagnetic valves 151, 152, 153, 154 to be powered on and closed, and keep other electromagnetic valves normally open, and control the pump to start working at the same time, so that the inlet pressure of the air bag group can be monitored in real time to prevent excessive pressure.

[0049] In some embodiments, the exhaust mode of the air supply system includes exhaust of the air tank and exhaust of the airbag group. As an example, by controlling the solenoid valve group 3 and the exhaust valve, the high-pressure gas of the air tank is discharged to the atmosphere. For another example, by controlling the solenoid valve group 1 and / or the solenoid valve group 2 and the exhaust valve, the high-pressure gas of the airbag group is discharged to the atmosphere. Figure 6 , Figure 7 shown.

[0050] Figure 6 FIG. 1 is an exemplary schematic diagram of an exhaust mode 1 of an air supply system according to some embodiments of the present application. Figure 6As shown, in some embodiments, the high-pressure gas in the gas storage tank 17 is discharged to the atmosphere by controlling the solenoid valve group 3 (132) and the exhaust valve 12. As an example, the control unit can control the solenoid valve 132 to be powered on and closed, and control the solenoid valve 12 to be powered on, and the channel is opened to perform the exhaust operation.

[0051] Figure 7 FIG. 1 is an exemplary schematic diagram of exhaust mode 2 of an air supply system provided according to some embodiments of the present application. Figure 7 As shown, in some embodiments, the high-pressure gas of the airbag group is discharged to the atmosphere by controlling the solenoid valve group 1 (151, 152, 153, 154) and the exhaust valve 12. As an example, the control unit can control the solenoid valves 151, 152, 153, 154 to be powered on and closed, control the solenoid valve 12 to be powered on, open the channel to perform the exhaust operation, and keep the other solenoid valves normally open.

[0052] In some embodiments, the adjustment mode may include lowering the vehicle suspension, adjusting the vehicle lift, etc. Adjusting the vehicle by controlling the gas of the airbag group specifically includes compressing the high-pressure gas of the airbag group and sending it into the gas tank; or discharging the high-pressure gas of the airbag group into the atmosphere through a supercharger to lower the vehicle suspension. Figure 8 , Fig. 9 shown.

[0053] In some embodiments, adjusting the vehicle by controlling the gas of the airbag group specifically includes compressing the high-pressure gas of airbags 1 and 2 and sending it to airbags 3 and 4, and pressing the excess gas into the gas tank; or compressing the high-pressure gas of airbags 3 and 4 and sending it to airbags 1 and 2, and pressing the excess gas into the gas tank, so as to simultaneously adjust the vehicle's rise and fall. Fig.10 shown.

[0054] Figure 8 FIG. 1 is an exemplary schematic diagram of an air supply system adjustment mode 1 according to some embodiments of the present application. Figure 8As shown, in some embodiments, adjusting the vehicle by controlling the gas of the airbag group (221, 222, 223, 224) specifically includes compressing the high-pressure gas of the airbag group (221, 222, 223, 224) and sending it into the gas tank 17 to lower the vehicle suspension. As an example, the control unit can control the start of the supercharger 11, connect the solenoid valves 141, 142, 143, 144, disconnect the solenoid valves 131, 133 connected to the channel 211, and the air spring airbag group (221, 222, 223, 224) is connected to the supercharger 11 through the 211 channel; at the same time, the solenoid valve 12 connected to the filter 18 is disconnected, and the high-pressure gas is compressed by the supercharger 11 and passes through the filter 18; the solenoid valve 132 connected to the channel 212 is connected, and the solenoid valves 151, 152, 153, 154 connected to the channel 213 are disconnected, and then the high-pressure gas is pressed into the gas tank 17 through the channel 212. Furthermore, during operation in the adjustment mode 1, the inlet pressure of the gas storage tank 17 can be accurately monitored in real time to prevent the pressure from being too high.

[0055] Fig. 9 FIG. 1 is an exemplary schematic diagram of the air supply system adjustment mode 2 provided according to some embodiments of the present application. Fig. 9 As shown, in some embodiments, adjusting the vehicle by controlling the gas of the airbag group (221, 222, 223, 224) specifically includes discharging the high-pressure gas of the airbag group (221, 222, 223, 224) to the atmosphere through the supercharger 11, and adjusting mode 2 as a backup exhaust mode to ensure lowering the vehicle suspension. As an example, the control unit can control the start of the supercharger 11, connect the solenoid valves 141, 142, 143, 144, and disconnect the solenoid valves 131, 133 connected to the channel 211, and the air spring airbag group 221, 222, 223, 224 is connected to the supercharger 11 through the channel 211; connect the solenoid valve 12, disconnect the solenoid valve 132 connected to the channel 213, and disconnect 151, 152, 153, 154, and the high-pressure gas is compressed by the supercharger 11 and discharged to the atmosphere through the channel 214.

[0056] Fig.10 FIG. 1 is an exemplary schematic diagram of the air supply system adjustment mode 3 provided according to some embodiments of the present application. Fig.10As shown, in some embodiments, adjusting the vehicle by controlling the gas of the airbag group specifically includes compressing the high-pressure gas of airbags 1 and 2 (221 and 222) and sending it into airbags 3 and 4 (223 and 224), and the excess gas is pressed into the gas tank; or compressing the high-pressure gas of airbags 3 and 4 (223 and 224) and sending it into airbags 1 and 2 (221 and 222), and the excess gas is pressed into the gas tank, so as to simultaneously adjust the vehicle's rise and fall. As an example, the control unit can control the start-up of the supercharger 11, connect the solenoid valves 141, 142, 153, and 154 (143 and 144 are disconnected, and 151 and 152 are disconnected), the solenoid valves 131 and 133 connected to the channel 211 are disconnected, and the air spring airbags 221 and 222 are connected to the supercharger 11 through the channel 211; the solenoid valve 12 connected to the filter 18 is disconnected, and the high-pressure gas is compressed by the supercharger 11 and passes through the filter 18. The solenoid valves 132 connected to the channel 213 are disconnected, and then flow into the airbags 223 and 224 through the channel 213. Vice versa. In adjustment mode three, the high-pressure gas of any one or more airbags is pressed into the remaining one or more airbags, and the excess is pressed into the gas tank, which can meet more scene requirements.

[0057] In some embodiments, when the airbag gas is unbalanced or the air pressure of at least one airbag is too low, the airbag gas with high pressure (e.g., airbag 221) is sent to the airbag with low pressure (e.g., airbags 222, 223, 224) to maintain the stability of the vehicle body. As an example, the control unit can control the start of the supercharger 11, connect the solenoid valves 141, 152, 153, 154 (142, 143, 144 are disconnected, 151 is disconnected), the solenoid valve 131 connected to the channel 211 is disconnected, and the air spring airbag 221 is connected to the supercharger 11 through the channel 211; the solenoid valve 12 connected to the filter 18 is disconnected, and the high-pressure gas is compressed by the supercharger 11 and passes through the filter 18, and the solenoid valves 132 connected to the channel 213 are all disconnected, and then flow into the airbags 222, 223, 224 through the channel 213.

[0058] In some embodiments, the measurement mode may include measuring the airbag pressure value, measuring the air tank pressure value, etc. By controlling the solenoid valve group 3 and the solenoid valve group 1, the high-pressure gas in the air tank is further compressed and sent to the airbag group, and the inlet pressure of the airbag group is monitored in real time. Or by controlling the solenoid valve group 1, the gas is pressurized and sent to the airbag group, and the air pressure of the airbag group is measured. Fig.11 shown.

[0059] In some embodiments, the supercharger sucks in air, controls the solenoid valve group 3, and sends it to the air storage tank after being pressurized, and measures the inlet pressure of the air storage tank. Fig.12 shown.

[0060] Fig.11FIG. 1 is an exemplary schematic diagram of an air supply system measurement mode 1 provided according to some embodiments of the present application. Fig.11 As shown, in some embodiments, by controlling the electromagnetic valve group 3, the electromagnetic valve group 1 and / or the electromagnetic valve group 2, the high-pressure gas in the gas tank is further compressed and sent to the airbag group, and the inlet pressure of the airbag group is monitored in real time. In some embodiments, by controlling the electromagnetic valve group 1 and / or the electromagnetic valve group 2, the supercharger is pressurized and sent to the airbag group, and the air pressure of the airbag group is measured. As an example, the control unit can control the measurement of the air pressure of the airbags 221, 222, 223, and 224, and read the airbag pressure value after the supercharger stops working for a period of time.

[0061] Fig.12 FIG. 1 is an exemplary schematic diagram of air supply system measurement mode 2 provided according to some embodiments of the present application. Fig.12 As shown, in some embodiments, the supercharger inhales air, controls the solenoid valve group 3, and sends it to the air tank after pressurization, and measures the inlet pressure of the air tank. As an example, the control unit can control the measurement of the inlet pressure of the air tank, and read the inlet pressure value of the air tank after the supercharger stops working for a period of time.

[0062] According to some embodiments of the present application, the vehicle of the present application may include an air supply system applying the present application and perform the air supply method of the present application. The air supply system may include a supercharger for pressurizing the inhaled air; a gas tank for storing gas; an air bag group for adjusting by suction or exhaust; a solenoid valve group for controlling the opening or closing of a channel; a channel group for connecting the supercharger, the gas tank, the air bag group, and the solenoid valve group; and a control unit for controlling the air supply system to adjust the vehicle. The air supply method includes the supercharger inhaling air for pressurization; sending the pressurized gas into the gas tank or the air bag group by controlling the solenoid valve group, and measuring the pressure of the gas tank or the air bag group; and discharging the gas of the gas tank or the air bag group into the atmosphere.

[0063] According to some embodiments of the present application, the air supply system adjustment mode three of the present application can simultaneously perform operations such as raising some positions and lowering the remaining positions to reduce the adjustment time. Through adjustment modes one and two, when one or more of the solenoid valves of the solenoid valve group 151, 152, 153, and 154 fail to close, the height of the corresponding position of the suspension can still be adjusted to be lowered. Based on measurement mode one, measurement mode two, and adjustment mode one, at this time, the pressure sensor and the gas tank inlet are connected, and when the high-pressure gas in the airbag is pressed into the gas tank, the gas tank inlet pressure can be monitored in real time to prevent excessive pressure.

[0064] It should be noted that the above description of the air supply system, the air supply method and the vehicle is only for convenience of description and does not limit the present application to the scope of the embodiments. It is understandable that for those skilled in the art, based on the principle of the present device, it is possible to arbitrarily combine the various structures, or to form a substructure and combine it with other structures, and to make various modifications and changes in form and details to the functions of the above-mentioned devices and operations without departing from the principle. For example, the air supply system may further include a one-way valve group, etc. Such variations are all within the scope of protection of the present application.

[0065] In summary, the air supply system, air supply method and vehicle of the present application relate to the technical field of vehicle chassis. The air supply system includes a supercharger for pressurizing the inhaled air; a gas tank for storing gas; an airbag group including at least one airbag for adjusting the vehicle body height by inhaling or exhausting air; a solenoid valve group for controlling the opening or closing of a channel; a channel group for connecting the supercharger, the gas tank, the airbag group and the solenoid valve group; a control unit for controlling the air supply system by controlling the operation of the supercharger and / or the opening and closing of the solenoid valve group to adjust the vehicle height or suspension stiffness, thereby improving the comfort and passability of the vehicle.

[0066] It should be noted that the above-mentioned embodiments are merely used as examples, and the present application is not limited to such examples, but various changes can be made.

[0067] It should be noted that, in this specification, the terms "include", "comprises" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0068] The above disclosures are only some preferred embodiments of the present application, which cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the structures of the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. An air supply system, characterized in that: include: A supercharger, used to pressurize the inhaled air; Gas tanks, used to store gas; An airbag group, comprising at least one airbag, for adjusting the vehicle height by inhaling or exhausting air; Solenoid valve group, used to control the opening or closing of the channel; A channel group, used to connect the supercharger, the gas storage tank, the air bag group, and the solenoid valve group; A control unit, for controlling the air supply system to adjust the vehicle by controlling the operation of the supercharger and / or the opening and closing of the solenoid valve group; The channel group includes a first channel (211), a second channel (212), a third channel (213), a fourth channel (214), a fifth channel (215), and a sixth channel (216); The system further comprises a dryer and an exhaust valve, the solenoid valve group comprises a first solenoid valve group, a second solenoid valve group and a third solenoid valve group, one end of the first channel (211) is connected to the second solenoid valve group and the third solenoid valve group, and the other end is connected to the supercharger; one end of the fourth channel (214) is connected to the exhaust valve, and the other end is connected to the supercharger and the dryer; The third solenoid valve group comprises a first solenoid valve (131), a second solenoid valve (132) and a third solenoid valve (133); One end of the first solenoid valve (131) is connected to the first solenoid valve group, the pressure sensor (16) and the side of the second solenoid valve (132) away from the gas storage tank (17), and the other end is connected to the first channel (211) between the second solenoid valve group and the supercharger; One end of the second solenoid valve (132) is connected to the gas storage tank (17) via a second channel (212), and the other end is connected to the outlet of the supercharger; One end of the third solenoid valve (133) is connected between the second solenoid valve (132) and the gas storage tank (17), and the other end is connected to the second solenoid valve group, the first solenoid valve (131) and the supercharger inlet through the first channel (211).

2. The system according to claim 1, further comprising an air plug group and a one-way valve group, wherein the air plug group comprises a first air plug (191) and a second air plug (192), and the one-way valve group comprises a first one-way valve (201) and a second one-way valve (202), characterized in that: One end of the sixth channel (216) is connected to the second air plug (192), and the other end is connected to the second one-way valve (202); one end of the fifth channel (215) is connected to the dryer, and the other end is connected to the first one-way valve (201) and the first air plug (191).

3. The system according to claim 2, further comprising a pressure sensor, characterized in that: One end of the third channel (213) is connected to the first solenoid valve group, the pressure sensor, and the second air plug (192), and the other end is connected to the first air plug (191) and the first one-way valve (201).

4. An air supply method, characterized in that: The system applied to any one of claims 1 to 3 comprises: Air is sucked in through a supercharger to be pressurized; By controlling the electromagnetic valve group, the pressurized gas is sent into the gas storage tank or the air bag group, and the pressure of the gas storage tank or the air bag group is measured.

5. The method according to claim 4, wherein the solenoid valve group comprises a first solenoid valve group, a second solenoid valve group, and a third solenoid valve group, wherein: The air supply method specifically comprises: The supercharger inhales air, controls the third solenoid valve group, and sends the air into the air storage tank after pressurization, and measures the inlet pressure of the air storage tank; Or by controlling the first solenoid valve group and / or the second solenoid valve group, the pressurized air is sent to the airbag group, and the air pressure of the airbag group is measured.

6. The method according to claim 4, wherein the solenoid valve group comprises a first solenoid valve group, a second solenoid valve group, and a third solenoid valve group, wherein: The specific steps of delivering gas to the airbag assembly through the gas storage tank include: By controlling the third solenoid valve group, the first solenoid valve group and / or the second solenoid valve group, the high-pressure gas in the gas storage tank is sent into the airbag group; Alternatively, the high-pressure gas in the gas storage tank is further compressed and then sent to the air bag group, and the inlet pressure of the air bag group is monitored in real time.

7. The method according to claim 4, wherein the solenoid valve group comprises a first solenoid valve group, a second solenoid valve group, and a third solenoid valve group, wherein: The air supply method specifically comprises: By controlling the third solenoid valve group and the exhaust valve, the high-pressure gas in the gas storage tank is discharged into the atmosphere; Or by controlling the first solenoid valve group and / or the second solenoid valve group and the exhaust valve, the high-pressure gas of the airbag group is discharged into the atmosphere.

8. The method according to claim 4, characterized in that The vehicle is adjusted by controlling the gas of the airbag group, specifically including: compressing the high-pressure gas of the airbag group and sending it into the gas storage tank; or discharging the high-pressure gas of the airbag group into the atmosphere through the supercharger to lower the vehicle suspension.

9. The method according to claim 4, wherein the airbag group comprises a first airbag (221), a second airbag (222), a third airbag (223), and a fourth airbag (224), characterized in that: The vehicle is adjusted by controlling the gas of the airbag group, specifically comprising: compressing the high-pressure gas of the first airbag (221) and the second airbag (222) and sending it into the third airbag (223) and the fourth airbag (224), and the excess gas is pressed into the air tank; or compressing the high-pressure gas of the third airbag (223) and the fourth airbag (224) and sending it into the first airbag (221) and the second airbag (222), and the excess gas is pressed into the air tank, so as to simultaneously adjust the lifting and lowering of the vehicle.

10. The method according to claim 4, wherein the airbag group comprises a first airbag (221), a second airbag (222), a third airbag (223), and a fourth airbag (224), characterized in that: The vehicle is adjusted by controlling the gas of the airbag group, specifically comprising: compressing the high-pressure gas of the first airbag (221) and sending it into the second airbag (222), the third airbag (223), and the fourth airbag (224), and pressing the excess gas into the gas storage tank to balance the air pressure of each airbag, so as to keep the vehicle body stable.

11. A vehicle, characterized in that: Apply the air supply system described in any one of claims 1 to 3, or perform the air supply method described in any one of claims 4 to 10.

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