Tire inflation and deflation system and vehicle

Abstract

The application provides a tire inflation and deflation system, comprising: a first inflation and deflation control device adapted to control inflation or deflation of a first tire and / or a second tire; a second inflation and deflation control device adapted to control inflation or deflation of a third tire and / or a fourth tire; and a gas source adapted to supply gas to the first inflation and deflation control device and the second inflation and deflation control device. In this way, inflation and deflation of the tires can be achieved by only two inflation and deflation control devices, the number of control valve groups is small, the integration degree is high, the gas circuit is simple, the installation complexity can be reduced, and the cost can be reduced. The application further provides a vehicle.

Description

Technical Field

[0001] This invention relates to the field of vehicles, and in particular to a tire inflation / deflation system and a vehicle. Background Technology

[0002] In related technologies, the vehicle's automatic tire inflation / deflation system controls tire inflation / deflation through four wheel-side control valves. This method involves a large number of control valve groups, complex air circuits, complicated installation, and high costs. Summary of the Invention

[0003] In view of the above problems, embodiments of the present invention are proposed to provide a tire inflation / deflation system and vehicle that overcomes or at least partially solves the above problems.

[0004] To achieve the above objectives, according to a first aspect of the present invention, a tire inflation / deflation system is provided, comprising: The first inflation / deflation control device is adapted to control the inflation or deflation of the first and second tires. The second inflation / deflation control device is suitable for controlling the inflation or deflation of the third and fourth tires; The gas source is suitable for supplying gas to the first gas filling and discharging control device and the second gas filling and discharging control device.

[0005] Using the above method, tire inflation and deflation can be achieved through only two inflation / deflation control devices. This reduces the number of control valves, increases integration, and simplifies the air path, thereby reducing installation complexity and costs.

[0006] Furthermore, the first inflation / deflation control device includes a first control valve, a second control valve, and a first air outlet. The air inlet of the first control valve is connected to an air source, the air outlet of the first control valve is connected to the air inlet of the first tire, the air inlet of the first tire is also connected to the air inlet of the second control valve, and the air outlet of the second control valve is connected to the first air outlet.

[0007] Furthermore, the first inflation / deflation control device also includes a third control valve and a fourth control valve. The air inlet of the third control valve is connected to an air source, the air outlet of the third control valve is connected to the air inlet of the second tire, the air inlet of the second tire is also connected to the air inlet of the fourth control valve, and the air outlet of the fourth control valve is connected to the first air outlet.

[0008] Furthermore, the first inflation / deflation control device also includes a ninth control valve, wherein the outlet of the second control valve and the outlet of the fourth control valve are connected and connected to the inlet of the ninth control valve, and the outlet of the ninth control valve is connected to the first outlet.

[0009] Furthermore, the air outlet of the first control valve is also connected to the air inlet of the second tire, and the air inlet of the second tire is also connected to the air inlet of the second control valve.

[0010] Furthermore, the second inflation / deflation control device includes a fifth control valve, a sixth control valve, and a second air outlet. The air inlet of the fifth control valve is connected to an air source, the air outlet of the fifth control valve is connected to the air inlet of the third tire, the air inlet of the third tire is also connected to the air inlet of the sixth control valve, and the air outlet of the sixth control valve is connected to the second air outlet.

[0011] Furthermore, the second inflation / deflation control device also includes a seventh control valve and an eighth control valve. The air inlet of the seventh control valve is connected to an air source, the air outlet of the seventh control valve is connected to the air inlet of the fourth tire, the air inlet of the fourth tire is also connected to the air inlet of the eighth control valve, and the air outlet of the eighth control valve is connected to the second air outlet.

[0012] Furthermore, the second inflation / deflation control device also includes a tenth control valve, wherein the outlet of the sixth control valve and the outlet of the eighth control valve are connected and connected to the inlet of the tenth control valve, and the outlet of the tenth control valve is connected to the second outlet.

[0013] Furthermore, the air outlet of the fifth control valve is also connected to the air inlet of the third tire, and the air inlet of the third tire is also connected to the air inlet of the sixth control valve.

[0014] Furthermore, the first inflation / deflation control device also includes: The first control board is used to control the opening and closing of the first control valve, and / or the second control valve, and / or the third control valve, and / or the fourth control valve according to the tire inflation / deflation command from the vehicle controller. The first air passage block is adapted to change the air passage layout according to the opening and closing of the first control valve, and / or the second control valve, and / or the third control valve, and / or the fourth control valve, so as to realize the inflation or deflation of the first tire and / or the second tire.

[0015] Further, the first air passage block includes a first air passage, a second air passage, a third air passage, and a fourth air passage. The first air passage is connected to the first tire. The first air passage is connected to the third air passage through the first control valve. The first air passage is connected to the fourth air passage through the second control valve. The second air passage is connected to the second tire. The second air passage is connected to the third air passage through the third control valve. The second air passage is connected to the fourth air passage through the fourth control valve. The first end of the third air passage is connected to an air source. The second end of the third air passage is closed or connected to the second inflation / deflation control device. One end of the fourth air passage is connected to the first exhaust port.

[0016] Furthermore, the first control valve, the second control valve, the third control valve, and the fourth control valve are solenoid valves. The first control board controls the opening and closing of the first control valve, the second control valve, the third control valve, and the fourth control valve by means of a first coil, a second coil, a third coil, and a fourth coil respectively sleeved outside the first control valve, the second control valve, the third control valve, and the fourth control valve.

[0017] Furthermore, the second inflation / deflation control device also includes: The second control board is used to control the opening and closing of the fifth control valve, and / or the sixth control valve, and / or the seventh control valve, and / or the eighth control valve according to the tire inflation / deflation command from the vehicle controller; The second air passage block is adapted to change the air passage layout according to the opening and closing of the fifth control valve, and / or the sixth control valve, and / or the seventh control valve, and / or the eighth control valve, so as to inflate or deflate the third tire and / or the fourth tire.

[0018] Furthermore, the second air passage block includes a fifth air passage, a sixth air passage, a seventh air passage, and an eighth air passage. The fifth air passage is connected to the third tire. The fifth air passage is connected to the seventh air passage through the fifth control valve. The fifth air passage is connected to the eighth air passage through the sixth control valve. The sixth air passage is connected to the fourth tire. The sixth air passage is connected to the seventh air passage through the seventh control valve. The sixth air passage is connected to the eighth air passage through the eighth control valve. The first end of the seventh air passage is connected to an air source. The second end of the seventh air passage is connected to the second inflation / deflation control device or sealed. One end of the eighth air passage is connected to the second exhaust port.

[0019] Furthermore, the fifth, sixth, seventh, and eighth control valves are solenoid valves, and the second control board controls the opening and closing of the fifth, sixth, seventh, and eighth control valves by means of the fifth coil 421, sixth coil, seventh coil, and eighth coil respectively sleeved outside the fifth, sixth, seventh, and eighth control valves.

[0020] According to a second aspect of the present invention, a vehicle is provided, including the tire inflation / deflation system provided in the first aspect of the present invention.

[0021] Furthermore, the first inflation / deflation control device is disposed on the front axle of the vehicle, and the second inflation / deflation control device is disposed on the rear axle of the vehicle.

[0022] Furthermore, the first inflation / deflation control device and the second inflation / deflation control device are integrated and packaged within an inflation / deflation control module, which is located on the front or rear axle of the vehicle.

[0023] Other features and advantages of this application will be described in detail in the following detailed description section. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] To gain a more complete understanding of this application and its beneficial effects, the following description will be provided in conjunction with the accompanying drawings, wherein the same reference numerals in the following description denote the same parts.

[0026] Figure 1 This is a schematic diagram of a first embodiment of a tire inflation / deflation system according to the present invention; Figure 2 This is a schematic diagram of the first inflation / deflation control device of a tire inflation / deflation system according to the present invention; Figure 3 This is an exploded view of the first inflation / deflation control device of a tire inflation / deflation system according to the present invention; Figure 4 This is a schematic diagram of the first air passage block of a tire inflation / deflation system according to the present invention; Figure 5 This is a cross-sectional view of the first air passage block aA direction of a tire inflation / deflation system according to the present invention; Figure 6 This is a cross-sectional view of the first air passage block bB in a tire inflation / deflation system according to the present invention. Figure 7 This is a cross-sectional view of the first air passage block Aa in a tire inflation / deflation system according to the present invention; Figure 8 This is a schematic diagram of the second inflation / deflation control device of a tire inflation / deflation system according to the present invention; Figure 9 This is an exploded view of the second inflation / deflation control device of a tire inflation / deflation system according to the present invention; Figure 10 This is a schematic diagram of the second air passage block of a tire inflation / deflation system according to the present invention; Figure 11 This is a cross-sectional view of the second air passage block aA direction of a tire inflation / deflation system according to the present invention; Figure 12 This is a cross-sectional view of the second air passage block bB direction of a tire inflation / deflation system according to the present invention; Figure 13This is a cross-sectional view of the second air passage block Aa in a tire inflation / deflation system according to the present invention; Figure 14 This is a schematic diagram of a second embodiment of a tire inflation / deflation system according to the present invention; Figure 15 This is a schematic diagram of a third embodiment of a tire inflation / deflation system of the present invention; Figure 16 This is a schematic diagram of a vehicle according to the present invention.

[0027] Explanation of reference numerals in the attached figures: 10. First inflation / deflation control device; 20. Second inflation / deflation control device; 110. First outer casing; 111. First control interface; 210. First control panel; 310. First fixed bracket; 411. First coil; 412. Second coil; 413. Third coil; 414. Fourth coil; 511. First control valve; 512. Second control valve; 513. Third control valve; 514. Fourth control valve; 515. Ninth control valve; 610. First sealing ring; 710. First gas passage block; 7111, First air passage; 7112, Second air passage; 7113, Third air passage; 7114, Fourth air passage; 7121, First tire inlet; 7122, Second tire inlet; 7123, First air supply inlet; 7124, First air outlet; 7125, First air supply outlet; 120. Second outer casing; 121. Second control interface; 220. Second control panel; 320. Second fixed bracket; 421, Fifth coil; 422, Sixth coil; 423, Seventh coil; 424, Eighth coil; 521. Fifth control valve; 522. Sixth control valve; 523. Seventh control valve; 524. Eighth control valve; 525. Tenth control valve; 620. Second sealing ring; 720, Second gas passage block; 7211, Fifth Qi Path; 7212, Sixth Qi Path; 7213, Seventh Qi Path; 7214, Eighth Qi Path; 7221, Third tire inlet; 7222, Fourth tire inlet; 7223, Second air supply inlet; 7224, Second air outlet; 7225, Second air supply outlet; 801, First tire; 802, Second tire; 803, Third tire; 804, Fourth tire. Detailed Implementation

[0028] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the protection scope of this application.

[0029] According to a first aspect of the invention, such as Figure 1 , Figures 14-16 As shown, a tire inflation / deflation system is provided, comprising: The first inflation / deflation control device 10 is adapted to control the inflation or deflation of the first tire 801 and the second tire 802. The second inflation / deflation control device 20 is adapted to control the inflation or deflation of the third tire 803 and the fourth tire 804. The gas source is adapted to supply gas to the first gas filling and discharging control device 10 and the second gas filling and discharging control device 20.

[0030] Using the above method, tire inflation and deflation can be achieved through only two inflation / deflation control devices. This reduces the number of control valves, increases integration, and simplifies the air path, thereby reducing installation complexity and costs.

[0031] like Figure 1 As shown, in some embodiments of the first embodiment, the first inflation / deflation control device 10 includes a first control valve 511, a second control valve 512, and a first air outlet 7124. The air inlet of the first control valve 511 is connected to an air source, and the air outlet of the first control valve 511 is connected to the air inlet of the first tire 801. The air inlet of the first tire 801 is also connected to the air inlet of the second control valve 512, and the air outlet of the second control valve 512 is connected to the first air outlet 7124. When inflating the first tire 801, the first control valve 511 is opened and the second control valve 512 is closed, allowing gas supplied by the air source to fill the first tire 801 through the first control valve 511. When deflating the first tire 801, the first control valve 511 is closed and the second control valve 512 is opened, allowing gas in the first tire 801 to be released through the second control valve 512 from the first air outlet 7124.

[0032] In some embodiments of the first embodiment, the first inflation / deflation control device 10 further includes a third control valve 513 and a fourth control valve 514. The inlet of the third control valve 513 is connected to an air source, the outlet of the third control valve 513 is connected to the air inlet of the second tire 802, the air inlet of the second tire 802 is also connected to the inlet of the fourth control valve 514, and the outlet of the fourth control valve 514 is connected to the first outlet 7124. When inflating the second tire 802, the third control valve 513 is opened and the fourth control valve 514 is closed, and the gas supplied by the air source is injected into the second tire 802 through the third control valve 513. When deflating the second tire 802, the third control valve 513 is closed and the fourth control valve 514 is opened, and the gas in the second tire 802 is released from the first outlet 7124 through the fourth control valve 514.

[0033] In some embodiments of the first embodiment, the second inflation / deflation control device 20 includes a fifth control valve 521, a sixth control valve 522, and a second air outlet 7224. The air inlet of the fifth control valve 521 is connected to an air source, and the air outlet of the fifth control valve 521 is connected to the air inlet of the third tire 803. The air inlet of the third tire 803 is also connected to the air inlet of the sixth control valve 522, and the air outlet of the sixth control valve 522 is connected to the second air outlet 7224. When inflating the third tire 803, the fifth control valve 521 is opened and the sixth control valve 522 is closed, allowing gas supplied by the air source to fill the third tire 803 through the fifth control valve 521. When deflating the third tire 803, the fifth control valve 521 is closed and the sixth control valve 522 is opened, allowing gas in the third tire 803 to be released through the sixth control valve 522 from the second air outlet 7224.

[0034] In some embodiments of the first embodiment, the second inflation / deflation control device 20 further includes a seventh control valve 523 and an eighth control valve 524. The inlet of the seventh control valve 523 is connected to an air source, and the outlet of the seventh control valve 523 is connected to the air inlet of the fourth tire 804. The air inlet of the fourth tire 804 is also connected to the inlet of the eighth control valve 524, and the outlet of the eighth control valve 524 is connected to the second outlet 7224. When inflating the fourth tire 804, the seventh control valve 523 is opened and the eighth control valve 524 is closed, allowing gas supplied by the air source to fill the fourth tire 804 through the seventh control valve 523. When deflating the fourth tire 804, the seventh control valve 523 is closed and the eighth control valve 524 is opened, allowing gas in the fourth tire 804 to be released through the eighth control valve 524 from the second outlet 7224.

[0035] In some implementations of the first embodiment, such as Figures 2-7 As shown, the first inflation / deflation control device 10 further includes: The first control board 210 is used to control the opening and closing of the first control valve 511, and / or the second control valve 512, and / or the third control valve 513, and / or the fourth control valve 514 according to the tire inflation / deflation command of the vehicle controller. The first air passage block 710 is adapted to change the air passage layout according to the opening and closing of the first control valve 511, and / or the second control valve 512, and / or the third control valve 513, and / or the fourth control valve 514, so as to realize the inflation or deflation of the first tire 801 and / or the second tire 802.

[0036] In some embodiments of the first embodiment, the first air passage block 710 includes a first air passage 7111, a second air passage 7112, a third air passage 7113, and a fourth air passage 7114. The first air passage 7111 is connected to the first tire 801. The first air passage 7111 is connected to the third air passage 7113 through the first control valve 511. The first air passage 7111 is connected to the fourth air passage 7114 through the second control valve 512. The second air passage 7112 is connected to the second tire 802. The second air passage 7112 is connected to the third air passage 7113 through the third control valve 513. The second air passage 7112 is connected to the fourth air passage 7114 through the fourth control valve 514. The first end of the third air passage 7113 is connected to an air source. The second end of the third air passage 7113 is closed or connected to the second inflation / deflation control device 20. One end of the fourth air passage 7114 is connected to the first exhaust port 7124. The first gas path 7111, the second gas path 7112, the third gas path 7113, and the fourth gas path 7114 are normally open within the first gas filling and discharging control device 10. The first control valve 511, the second control valve 512, the third control valve 513, and the fourth control valve 514 are not involved in controlling the opening and closing of the first gas path 7111, the second gas path 7112, the third gas path 7113, and the fourth gas path 7114. The first control valve 511 only controls the opening and closing between the first gas path 7111 and the third gas path 7113, the second control valve 512 only controls the opening and closing between the first gas path 7111 and the fourth gas path 7114, the third control valve 513 only controls the opening and closing between the second gas path 7112 and the third gas path 7113, and the fourth control valve 514 only controls the opening and closing between the second gas path 7112 and the fourth gas path 7114.

[0037] When inflating the first tire 801, the first control valve 511 is opened and the second control valve 512 is closed. Gas from the air source enters the first air passage 7111 from the third air passage 7113 through the first control valve 511, and then enters the first tire 801 from the first air passage 7111. When deflating the first tire 801, the first control valve 511 is closed and the second control valve 512 is opened. Gas from the first tire 801 enters the fourth air passage 7114 from the first air passage 7111 through the second control valve 512, and then exits from the fourth air passage 7114 through the first exhaust port 7124. When inflating the second tire 802, the third control valve 513 is opened and the fourth control valve 514 is closed. Gas from the air source enters the second air passage 7112 from the third air passage 7113 through the third control valve 513, and then enters the second tire 802 from the second air passage 7112. When deflating the second tire 802, the third control valve 513 is closed and the fourth control valve 514 is opened. Gas from the second tire 802 enters the fourth air passage 7114 from the second air passage 7112 through the third control valve 513, and then exits from the fourth air passage 7114 through the first exhaust port 7124. In this way, the inflation and deflation of the first tire 801 and the second tire 802 are independent of each other. The second tire 802 can be inflated or deflated independently when the first tire 801 is not in operation; the first tire 801 can be inflated or deflated independently when the second tire 802 is not in operation; or the second tire 802 can be inflated or deflated while the first tire 801 is being inflated or deflated.

[0038] In some embodiments of the first embodiment, the first air passage 7111 is connected to the air inlet of the first tire 801 via an external air pipe through a first tire interface 7121, the second air passage 7112 is connected to the air inlet of the second tire 802 via a second tire interface 7122, the first end of the third air passage 7113 is connected to an air source through a first air source interface 7123, and the second end of the third air passage 7113 is closed or connected to the second inflation / deflation control device 20 through a first air source outlet 7125.

[0039] In some embodiments of the first embodiment, the first control valve 511, the second control valve 512, the third control valve 513, and the fourth control valve 514 are solenoid valves. The first control board 210 controls the opening and closing of the first control valve 511, the second control valve 512, the third control valve 513, and the fourth control valve 514 by means of the first coil 411, the second control valve 512, the third control valve 513, and the fourth control valve 514 respectively sleeved on the outside of the first control valve 511, the second control valve 512, the third control valve 513, and the fourth control valve 514.

[0040] In some embodiments of the first embodiment, the first inflation / deflation control device 10 further includes a first housing 110, a first control interface 111, a first fixing bracket 310, and a first sealing ring 610. The first control interface 111 is disposed outside the first housing 110 and penetrates into the first housing 110. The first control interface 111 is used to connect a cable to receive inflation / deflation commands from the vehicle controller to the tires. The first control board 210 is connected to the first control interface 111. The first fixing bracket 310 is adapted to fix the first coil 411, the second coil 412, the third coil 413, the fourth coil 414, and the first control board 210. The first housing 110 is adapted to be assembled with the first air passage block 710 and to house the first control board 210, the first fixing bracket 310, the first coil 411, the second coil 412, the third coil 413, the fourth coil 414, the first control valve 511, the second control valve 512, the third control valve 513, and the fourth control valve 514. A first sealing ring 610 is provided at the assembly connection between the first outer shell 110 and the first air passage block 710.

[0041] In some implementations of the first embodiment, such as Figures 8-13 As shown, the second inflation / deflation control device 20 further includes: The second control board 220 is used to control the opening and closing of the fifth control valve 521, and / or the sixth control valve 522, and / or the seventh control valve 523, and / or the eighth control valve 524 according to the tire inflation / deflation command of the vehicle controller; The second air passage block is adapted to change the air passage layout according to the opening and closing of the fifth control valve 521, and / or the sixth control valve 522, and / or the seventh control valve 523, and / or the eighth control valve 524, so as to realize the inflation or deflation of the third tire 803 and / or the fourth tire 804.

[0042] In some embodiments of the first embodiment, the second air passage block 720 includes a fifth air passage 7211, a sixth air passage 7212, a seventh air passage 7213, and an eighth air passage 7214. The fifth air passage 7211 is connected to the third tire 803. The fifth air passage 7211 is connected to the seventh air passage 7213 through the fifth control valve 521. The fifth air passage 7211 is connected to the eighth air passage 7214 through the sixth control valve 522. The sixth air passage 7212 is connected to the fourth tire 804. The sixth air passage 7212 is connected to the seventh air passage 7213 through the seventh control valve 523. The sixth air passage 7212 is connected to the eighth air passage 7214 through the eighth control valve 524. The first end of the seventh air passage 7213 is connected to an air source. The second end of the seventh air passage 7213 is connected to the first inflation / deflation control device 10 or closed. One end of the eighth air passage 7214 is connected to the second exhaust port 7224. The fifth gas passage 7211, the sixth gas passage 7212, the seventh gas passage 7213, and the eighth gas passage 7214 are normally open within the second charging and discharging control device 20. The fifth control valve 521, the sixth control valve 522, the seventh control valve 523, and the eighth control valve 524 are not involved in controlling the opening and closing of the fifth gas passage 7211, the sixth gas passage 7212, the seventh gas passage 7213, and the eighth gas passage 7214. The fifth control valve 522 only controls the opening and closing between the fifth gas passage 7211 and the seventh gas passage 7213. The sixth control valve 522 only controls the opening and closing between the fifth gas passage 7211 and the eighth gas passage 7214. The seventh control valve 523 only controls the opening and closing between the sixth gas passage 7212 and the seventh gas passage 7213. The eighth control valve 524 only controls the opening and closing between the sixth gas passage 7212 and the eighth gas passage 7214.

[0043] When inflating the third tire 803, the fifth control valve 521 is opened and the sixth control valve 522 is closed. Gas from the air source enters the fifth air passage 7211 from the seventh air passage 7213 through the sixth control valve 521, and then enters the third tire 803 from the fifth air passage 7211. When deflating the third tire 803, the fifth control valve 521 is closed and the sixth control valve 522 is opened. Gas from the third tire 803 enters the eighth air passage 7214 from the fifth air passage 7211 through the sixth control valve 522, and then exits from the eighth air passage 7214 through the second exhaust port 7224. When inflating the fourth tire 804, the seventh control valve 523 is opened and the eighth control valve 524 is closed. Gas from the air source enters the sixth air passage 7212 from the seventh air passage 7213 through the seventh control valve 523, and then enters the fourth tire 804 from the sixth air passage 7212. When deflating the fourth tire 804, the seventh control valve 523 is closed and the eighth control valve 524 is opened. Gas from the fourth tire 804 enters the eighth air passage 7214 from the sixth air passage 7212 through the seventh control valve 523, and then exits from the eighth air passage 7214 through the second exhaust port 7124. In this way, the inflation and deflation of the third tire 803 and the fourth tire 804 are independent of each other. The fourth tire 804 can be inflated or deflated independently when the third tire 803 is not in operation; the third tire 803 can be inflated or deflated independently when the fourth tire 804 is not in operation; or the fourth tire 804 can be inflated or deflated while the third tire 803 is being inflated or deflated.

[0044] In some embodiments of the first embodiment, the fifth air passage 7211 is connected to the air inlet of the third tire 803 via an external air pipe connected to the third tire interface 7221, the sixth air passage 7212 is connected to the air inlet of the fourth tire 804 via an air pipe connected to the fourth tire interface 7222, the first end of the seventh air passage 7213 is connected to an air source via a second air source interface 7223, and the second end of the seventh air passage 7213 is connected to or closed by the first inflation / deflation control device 10 via a second air source outlet 7225.

[0045] In some embodiments of the first embodiment, the first air source interface 7123 of the first inflation / deflation control device 10 is connected to the air source of the vehicle, the first air source outlet 7125 is connected to the second air source interface 7223 of the second inflation / deflation control device 20, and the second air source outlet 7225 of the second inflation / deflation control device 20 is closed.

[0046] In some embodiments of the first embodiment, the second air source interface 7223 of the second inflation / deflation control device 20 is connected to the air source of the vehicle, the second air source outlet 7225 is connected to the first air source interface 7123 of the first inflation / deflation control device 10, and the first air source outlet 7125 of the first inflation / deflation control device 10 is closed.

[0047] In some embodiments of the first embodiment, the fifth control valve 521, the sixth control valve 522, the seventh control valve 523, and the eighth control valve 524 are solenoid valves. The second control board 220 controls the opening and closing of the fifth control valve 521, the sixth control valve 522, the seventh control valve 523, and the eighth control valve 524 by means of the fifth coil 421, the sixth control valve 522, the seventh control valve 523, and the eighth control valve 524 respectively sleeved on the fifth control valve 521, the sixth control valve 522, the seventh control valve 523, and the eighth control valve 524.

[0048] In some embodiments of the first embodiment, the second inflation / deflation control device 20 further includes a second housing 120, a second control interface 121, a second fixing bracket 320, and a first sealing ring 620. The second control interface 121 is disposed outside the second housing 120 and penetrates into the second housing 120. The second control interface 121 is used to connect cables to receive inflation / deflation commands from the vehicle controller to the tires. The second control board 220 is connected to the second control interface 121. The second fixing bracket 320 is adapted to fix the fifth coil 421, the sixth coil 422, the seventh coil 423, and the eighth coil 424 and the second control board 220. The second housing 120 is adapted to be assembled with the second air passage block 720 and to house the second control board 220, the second fixing bracket 320, the fifth coil 421, the sixth coil 422, the seventh coil 423, the eighth coil 424, the fifth control valve 521, the sixth control valve 522, the seventh control valve 523, and the eighth control valve 524. A second sealing ring 620 is provided at the assembly connection between the second outer shell 120 and the second air passage block 720.

[0049] like Figure 14As shown, in some embodiments of the second embodiment, the first inflation / deflation control device 10 includes a first control valve 511, a second control valve 512, and a first air outlet 7124. The air inlet of the first control valve 511 is connected to an air source, and the air outlet of the first control valve 511 is connected to the air inlet of the first tire 801. The air inlet of the first tire 801 is also connected to the air inlet of the second control valve 512, and the air outlet of the second control valve 512 is connected to the first air outlet 7124. The air outlet of the first control valve 511 is also connected to the air inlet of the second tire 802, and the air inlet of the second tire 802 is also connected to the air inlet of the second control valve 512. Opening the first control valve 511 and closing the second control valve 512 allows for simultaneous inflation of the first tire 801 and the second tire 802; closing the first control valve 511 and opening the second control valve 512 allows for simultaneous deflation of the first tire 801 and the second tire 802.

[0050] In some embodiments of the second embodiment, the second inflation / deflation control device 20 includes a fifth control valve 521, a sixth control valve 522, and a second air outlet 7224. The air inlet of the fifth control valve 521 is connected to an air source, and the air outlet of the fifth control valve 521 is connected to the air inlet of the third tire 803. The air inlet of the third tire 803 is also connected to the air inlet of the sixth control valve 522, and the air outlet of the sixth control valve 522 is connected to the second air outlet 7224. The air outlet of the fifth control valve 521 is also connected to the air inlet of the fourth tire 804, and the air inlet of the fourth tire 804 is also connected to the air inlet of the sixth control valve 522. Opening the fifth control valve 521 and closing the sixth control valve 522 allows for simultaneous inflation of the third tire 803 and the fourth tire 804; closing the fifth control valve 521 and opening the sixth control valve 522 allows for simultaneous deflation of the third tire 803 and the fourth tire 804.

[0051] like Figure 15As shown, in some embodiments of the third embodiment, the first inflation / deflation control device 10 includes a first control valve 511, a second control valve 512, a third control valve 513, a fourth control valve 514, and a first air outlet 7124. The air inlet of the first control valve 511 is connected to an air source, and the air outlet of the first control valve 511 is connected to the air inlet of the first tire 801. The air inlet of the first tire 801 is also connected to the air inlet of the second control valve 512. The air inlet of the third control valve 513 is connected to an air source, and the air outlet of the third control valve 513 is connected to the air inlet of the second tire 802. The air inlet of the second tire 802 is also connected to the air inlet of the fourth control valve 514. The first inflation / deflation control device 10 also includes a ninth control valve 515. The air outlets of the second control valve 512 and the fourth control valve 514 are connected to and connected to the air inlet of the ninth control valve 515. The air outlet of the ninth control valve 515 is connected to the first air outlet 7124. When the first control valve 511 is closed, the third control valve 513 is closed, the second control valve 512 is open, the fourth control valve 514 is open, and the ninth control valve 515 is closed, the air of the first tire 801 and the second tire 802 is connected. At this time, the tire pressure of the first tire 801 and the second tire 802 can be balanced without starting inflation or deflation.

[0052] In some embodiments of the third embodiment, the second inflation / deflation control device 20 includes a fifth control valve 521, a sixth control valve 522, a seventh control valve 523, an eighth control valve 524, and a second air outlet 7224. The air inlet of the fifth control valve 521 is connected to an air source, and the air outlet of the fifth control valve 521 is connected to the air inlet of the third tire 803. The air inlet of the third tire 803 is also connected to the air inlet of the sixth control valve 522. The air inlet of the seventh control valve 523 is connected to an air source, and the air outlet of the seventh control valve 523 is connected to the air inlet of the fourth tire 804. The air inlet of the fourth tire 804 is also connected to the air inlet of the eighth control valve 524. The second inflation / deflation control device 10 also includes a tenth control valve 525. The air outlets of the sixth control valve 522 and the eighth control valve 524 are connected to and connected to the air inlet of the tenth control valve 525. The air outlet of the tenth control valve 525 is connected to the second air outlet. When the fifth control valve 521 is closed, the seventh control valve 523 is closed, the sixth control valve 522 is open, the eighth control valve 524 is open, and the tenth control valve 525 is closed, the air supply to the third tire 803 and the fourth tire 804 is connected. At this time, the tire pressure of the third tire 803 and the fourth tire 804 can be balanced without starting inflation or deflation.

[0053] Using the above method, tire inflation and deflation can be achieved through only two inflation / deflation control devices. This reduces the number of control valves, increases integration, and simplifies the air path, thereby reducing installation complexity and costs.

[0054] According to a second aspect of the present invention, a vehicle is provided, including the tire inflation / deflation system provided in the first aspect of the present invention.

[0055] In some embodiments, such as Figure 16 As shown, the first inflation / deflation control device 10 is disposed on the front axle of the vehicle, and the second inflation / deflation control device 20 is disposed on the rear axle of the vehicle.

[0056] In some embodiments, the second air source interface 7223 is connected to the vehicle's air source, the second air outlet 7224 is used for air discharge, the third tire interface 7221 is connected to the third tire 803 through an external air pipe, the fourth tire interface 7222 is connected to the fourth tire 804 through an external air pipe, the second air source outlet 7225 is connected to the first air source interface 7123 through an external air pipe, the first air outlet 7124 is used for air discharge, the first tire interface 7121 is connected to the first tire 801 through an external air pipe, the second tire interface 7122 is connected to the second tire 802 through an external air pipe, and the first air source outlet 7125 is closed.

[0057] In some embodiments, the first air source interface 7123 is connected to the vehicle's air source, the first air outlet 7124 is used for air discharge, the first tire interface 7121 is connected to the first tire 801 through an external air pipe, the second tire interface 7122 is connected to the second tire 802 through an external air pipe, the first air source outlet 7125 is connected to the second air source interface 7123 through an external air pipe, the second air outlet 7224 is used for air discharge, the third tire interface 7221 is connected to the third tire 803 through an external air pipe, the fourth tire interface 7222 is connected to the fourth tire 804 through an external air pipe, and the second air source outlet 7225 is closed.

[0058] In some embodiments, such as the second embodiment, the first inflation / deflation control device 10 and the second inflation / deflation control device 20 are integrated and packaged in an inflation / deflation control module, which is disposed on the front or rear axle of the vehicle.

[0059] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0060] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0061] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0062] The embodiments, implementation methods, and related technical features of this application can be combined and substituted for each other without conflict.

[0063] The above are merely preferred embodiments of this application and are not intended to limit this application in any way. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this application without departing from the technical solution of this application shall still fall within the scope of the technical solution of this application.

[0064] The tire inflation / deflation system and vehicle provided by the present invention have been described in detail above. Specific examples have been used to illustrate the principle and implementation of the present invention. The description of the above embodiments is only for the purpose of helping to understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, there will be changes in the specific implementation and application scope based on the idea of ​​the present invention. Therefore, the content of this specification should not be construed as a limitation of the present invention.

Claims

1. A tire inflation / deflation system, characterized in that, include: The first inflation / deflation control device is adapted to control the inflation or deflation of the first and second tires. The second inflation / deflation control device is suitable for controlling the inflation or deflation of the third and fourth tires; The gas source is suitable for supplying gas to the first gas filling and discharging control device and the second gas filling and discharging control device.

2. The tire inflation / deflation system according to claim 1, characterized in that, The first inflation / deflation control device includes a first control valve, a second control valve, and a first air outlet. The air inlet of the first control valve is connected to an air source, the air outlet of the first control valve is connected to the air inlet of the first tire, the air inlet of the first tire is also connected to the air inlet of the second control valve, and the air outlet of the second control valve is connected to the first air outlet.

3. The tire inflation / deflation system according to claim 2, characterized in that, The first inflation / deflation control device further includes a third control valve and a fourth control valve. The air inlet of the third control valve is connected to an air source, the air outlet of the third control valve is connected to the air inlet of the second tire, the air inlet of the second tire is also connected to the air inlet of the fourth control valve, and the air outlet of the fourth control valve is connected to the first air outlet.

4. The tire inflation / deflation system according to claim 3, characterized in that, The first inflation / deflation control device further includes a ninth control valve, wherein the outlet of the second control valve and the outlet of the fourth control valve are connected and connected to the inlet of the ninth control valve, and the outlet of the ninth control valve is connected to the first outlet.

5. The tire inflation / deflation system according to claim 2, characterized in that, The outlet of the first control valve is also connected to the air inlet of the second tire, and the air inlet of the second tire is also connected to the air inlet of the second control valve.

6. The tire inflation / deflation system according to any one of claims 2-5, characterized in that, The second inflation / deflation control device includes a fifth control valve, a sixth control valve, and a second air outlet. The air inlet of the fifth control valve is connected to an air source, and the air outlet of the fifth control valve is connected to the air inlet of the third tire. The air inlet of the third tire is also connected to the air inlet of the sixth control valve, and the air outlet of the sixth control valve is connected to the second air outlet.

7. The tire inflation / deflation system according to claim 6, characterized in that, The second inflation / deflation control device further includes a seventh control valve and an eighth control valve. The air inlet of the seventh control valve is connected to an air source, the air outlet of the seventh control valve is connected to the air inlet of the fourth tire, the air inlet of the fourth tire is also connected to the air inlet of the eighth control valve, and the air outlet of the eighth control valve is connected to the second air outlet.

8. The tire inflation / deflation system according to claim 7, characterized in that, The second inflation / deflation control device further includes a tenth control valve, wherein the outlet of the sixth control valve and the outlet of the eighth control valve are connected and connected to the inlet of the tenth control valve, and the outlet of the tenth control valve is connected to the second outlet.

9. The tire inflation / deflation system according to claim 6, characterized in that, The outlet of the fifth control valve is also connected to the air inlet of the third tire, and the air inlet of the third tire is also connected to the air inlet of the sixth control valve.

10. The tire inflation / deflation system according to claim 3, characterized in that, The first inflation / deflation control device further includes: The first control board is used to control the opening and closing of the first control valve, and / or the second control valve, and / or the third control valve, and / or the fourth control valve according to the tire inflation / deflation command from the vehicle controller. The first air passage block is adapted to change the air passage layout according to the opening and closing of the first control valve, and / or the second control valve, and / or the third control valve, and / or the fourth control valve, so as to realize the inflation or deflation of the first tire and / or the second tire.

11. The tire inflation / deflation system according to claim 10, characterized in that, The first air passage block includes a first air passage, a second air passage, a third air passage, and a fourth air passage. The first air passage is connected to the first tire. The first air passage is connected to the third air passage through a first control valve. The first air passage is connected to the fourth air passage through a second control valve. The second air passage is connected to the second tire. The second air passage is connected to the third air passage through the third control valve. The second air passage is connected to the fourth air passage through the fourth control valve. The first end of the third air passage is connected to an air source. The second end of the third air passage is closed or connected to the second inflation / deflation control device. One end of the fourth air passage is connected to a first air outlet.

12. The tire inflation / deflation system according to claim 10, characterized in that, The first control valve, the second control valve, the third control valve, and the fourth control valve are solenoid valves. The first control board controls the opening and closing of the first control valve, the second control valve, the third control valve, and the fourth control valve by means of a first coil, a second coil, a third coil, and a fourth coil respectively sleeved outside the first control valve, the second control valve, the third control valve, and the fourth control valve.

13. The tire inflation / deflation system according to claim 7, characterized in that, The second inflation / deflation control device further includes: The second control board is used to control the opening and closing of the fifth control valve, and / or the sixth control valve, and / or the seventh control valve, and / or the eighth control valve according to the tire inflation / deflation command from the vehicle controller; The second air passage block is adapted to change the air passage layout according to the opening and closing of the fifth control valve, and / or the sixth control valve, and / or the seventh control valve, and / or the eighth control valve, so as to inflate or deflate the third tire and / or the fourth tire.

14. The tire inflation / deflation system according to claim 13, characterized in that, The second air passage block includes a fifth air passage, a sixth air passage, a seventh air passage, and an eighth air passage. The fifth air passage is connected to the third tire. The fifth air passage is connected to the seventh air passage through the fifth control valve. The fifth air passage is connected to the eighth air passage through the sixth control valve. The sixth air passage is connected to the fourth tire. The sixth air passage is connected to the seventh air passage through the seventh control valve. The sixth air passage is connected to the eighth air passage through the eighth control valve. The first end of the seventh air passage is connected to an air source. The second end of the seventh air passage is connected to the second inflation / deflation control device or sealed. One end of the eighth air passage is connected to the second air outlet.

15. The tire inflation / deflation system according to claim 13, characterized in that, The fifth, sixth, seventh, and eighth control valves are solenoid valves. The second control board controls the opening and closing of the fifth, sixth, seventh, and eighth control valves by means of the fifth coil 421, sixth coil, seventh coil, and eighth coil respectively sleeved outside the fifth, sixth, seventh, and eighth control valves.

16. A vehicle, characterized in that, Includes the tire inflation / deflation system according to any one of claims 1-15.

17. The vehicle according to claim 16, characterized in that, The first inflation / deflation control device is located on the front axle of the vehicle, and the second inflation / deflation control device is located on the rear axle of the vehicle.

18. The vehicle according to claim 16, characterized in that, The first inflation / deflation control device and the second inflation / deflation control device are integrated and packaged in an inflation / deflation control module, which is located on the front or rear axle of the vehicle.

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