Air suspension system with simple circuit

Abstract

The invention provides an air suspension system with a simple circuit, which comprises a distribution valve and an inflation pump, the top of the distribution valve is provided with a plurality of air spring control valves, a drain valve and an inflation pump interface, the air spring control valves are externally connected with air springs, the inflation pump interface is connected with a P valve interface of the inflation pump, and the distribution valve comprises a shell and a circuit board. An integrally-formed valve cavity is formed in the shell, the bottom of the valve cavity is connected with the circuit board in a clamped mode, a plurality of height sensors and pressure sensors are arranged in the valve cavity, and the height sensors and the pressure sensors are electrically connected with the circuit board. According to the system, the air spring is controlled to ascend and descend through the distribution valve, so that the air suspension effect is achieved, the circuit board and the shell are combined into a whole in the distribution valve, the circuit board is clamped in the shell and connected with other assemblies of the air suspension system, and therefore connecting lines of the distribution valve and the other assemblies of the air suspension system are reduced; the size of the air suspension system is reduced, so that the air suspension system can be applied to motorcycles.

Description

Technical Field

[0001] The invention relates to the field of air suspension systems, in particular to an air suspension system with simple circuits. Background Art

[0002] Air suspension is a suspension system that uses air springs instead of traditional leaf springs. It is widely used in vehicle production and modification because of its advantages such as light weight, good smoothness and high stability. The air suspension system can change the ground clearance of the vehicle chassis through air compression, so as to improve the stability, comfort and passability of the vehicle on complex roads. The key component used in the air suspension system is the solenoid control valve. At present, in the common vehicle electronic air suspension systems on the market, in order to achieve various necessary functions, such as rising or falling, a large number of solenoid valves and circuit board combinations are often used, which makes the air suspension system too large and can only be installed in cars. It is not suitable for motorcycles and has a high failure rate.

[0003] Therefore, it is necessary to design an air suspension system with simple circuits. Summary of the invention

[0004] In view of the technical defects existing in the background technology, the present invention proposes an air suspension system with a simple circuit, which solves the above technical problems and meets the actual needs. The specific technical solution is as follows:

[0005] An air suspension system with a simple circuit includes a distribution valve and an air pump, wherein a plurality of air spring control valves, a drain valve and an air pump interface are arranged on the top of the distribution valve, the air spring control valve is externally connected to an air spring, the air pump interface is connected to the P valve interface of the air pump, the distribution valve includes a shell and a circuit board, an integrally formed valve cavity is arranged in the shell, the bottom of the valve cavity is clamped with the circuit board, a plurality of height sensors and pressure sensors are arranged in the valve cavity, and the height sensor and the pressure sensor are electrically connected to the circuit board.

[0006] Furthermore, the drain valve is externally connected to a muffler.

[0007] Furthermore, the RES valve of the air pump is externally connected to an air storage tank.

[0008] Furthermore, the IN interface of the air pump is provided with an air filter.

[0009] Furthermore, a connection seat is provided on one side of the shell, and the bottom of the connection seat is connected to the circuit board.

[0010] Furthermore, a plurality of probe interfaces and power interfaces are provided in the connection socket, and both the probe interfaces and the power interfaces are electrically connected to the circuit board.

[0011] Furthermore, the circuit board receives CAN information of the vehicle through a signal connection.

[0012] Furthermore, the distribution valve is connected to a key switch via an electric wire.

[0013] Furthermore, a pressure relief valve is provided in the air pump.

[0014] Furthermore, a plurality of height sensor mounting alignment holes and pressure sensor mounting alignment holes are provided in the valve cavity, and the height sensor and pressure sensor are respectively mounted in the height sensor mounting alignment hole and the pressure sensor mounting alignment hole, and the height of the height sensor is higher than the height of the pressure sensor.

[0015] Compared with the prior art, the air suspension system with a simple circuit provided by the present invention has the following beneficial effects:

[0016] The present invention provides an air suspension system with simple circuits, in which the air spring is controlled to rise and fall by a distribution valve, thereby achieving an air suspension effect. The distribution valve also combines a circuit board and a shell into one, and the circuit board is clamped in the shell and connected to other components of the air suspension system, thereby reducing the connection lines between the distribution valve and other components of the air suspension system, reducing the size of the air suspension system, allowing it to be used on motorcycles, and expanding its scope of use. The height sensor and the pressure sensor enable the distribution valve to judge the vehicle height through height sensing data or pressure data, thereby more accurately controlling the vehicle height. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the distribution valve in the present invention.

[0018] Figure 2 It is a schematic diagram of the explosion of the distribution valve in the present invention.

[0019] Figure 3 It is a schematic diagram of the structure of the shell in the present invention.

[0020] Figure 4 The schematic diagram of an air suspension system with simple circuits in the present invention is shown in FIG.

[0021] Figure 5 It is a top view of the dispensing valve in the present invention.

[0022] Figure 6 The present invention is an air circuit connection diagram of an air suspension system with simple circuits.

[0023] Among them, 1. distribution valve, 2. air pump, 3. air spring control valve, 4. drain valve, 5. air pump interface, 6. air spring, 7. P valve interface, 8. shell, 9. circuit board, 10. valve chamber, 11. height sensor, 12. pressure sensor, 13. muffler, 14. RES valve, 15. air tank, 16. air filter, 17. connecting seat, 18. pressure relief valve, 19. height sensor installation alignment hole, 20. pressure sensor installation alignment hole. DETAILED DESCRIPTION

[0024] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "middle", "inside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, it should be noted that, unless otherwise clearly specified and defined, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0025] The implementation modes of the present invention are described below in conjunction with the accompanying drawings and relevant embodiments. The implementation modes of the present invention are not limited to the following embodiments, and the present invention relates to relevant necessary components in the technical field, which should be regarded as the known technology in the technical field and can be known and mastered by the technical personnel in the technical field.

[0026] See also Figure 1-6, an air suspension system with a simple circuit, which can be used in cars and motorcycles, includes a distribution valve 1 and an air pump 2. The distribution valve 1 is used to control the gas flow in the air suspension system, thereby controlling the height of the vehicle, and the air pump 2 is used to inhale or discharge gas. The top of the distribution valve 1 is provided with a plurality of air spring control valves 3, a drain valve 4 and an air pump interface 5. The air spring control valve 3 is externally connected to an air spring 6. The distribution valve 1 controls the air spring 6 through the air spring control valve 3. The air pump interface 5 is connected to the P valve interface 7 of the air pump 2. The distribution valve 1 includes a shell 8 and a circuit board 9. The shell 8 is used to protect the circuit board 9 and other components in the distribution valve 1. An integrally formed valve cavity 10 is provided in the shell 8. The valve cavity 10 is used for gas flow. The bottom of the valve cavity 10 is clamped with the circuit board 9. The valve cavity 10 is provided with a plurality of height sensors 11 and pressure sensors 12. The height sensors 11 and pressure sensors 12 are both electrically connected to the circuit board 9. The height sensor 11 is used to detect the height of the vehicle and transmit the information to the circuit board 9 , and the pressure sensor 12 is used to detect the pressure of the gas and transmit the information to the circuit board 9 .

[0027] In one embodiment of the present invention, the drain valve 4 is externally connected to a muffler 13. The drain valve 4 is used to discharge water droplets in the distribution valve 1, and the muffler 13 is used to eliminate noise.

[0028] In one embodiment of the present invention, the RES valve 14 of the air pump 2 is externally connected to a gas storage tank 15. The gas storage tank 15 can be used to temporarily store gas.

[0029] In one embodiment of the present invention, an IN interface of the air pump 2 is provided with an air filter 16 .

[0030] In one embodiment of the present invention, a connection seat 17 is provided on one side of the housing 8, and the bottom of the connection seat 17 is connected to the circuit board 9. The connection seat 17 is used to connect the distribution valve 1 with other components in the air suspension system.

[0031] In one embodiment of the present invention, a plurality of probe interfaces and power interfaces are provided in the connection base 17, and both the probe interfaces and the power interface are electrically connected to the circuit board 9. The power interface can provide power to the circuit board 9 through an external power supply.

[0032] In one embodiment of the present invention, the circuit board 9 receives CAN information of the vehicle through a signal connection.

[0033] In one embodiment of the present invention, the distribution valve 1 is connected to a key switch via an electric wire. The lifting and lowering of the air suspension system can be controlled by the key switch.

[0034] In one embodiment of the present invention, a pressure relief valve 18 is provided in the air pump 2 .

[0035] In one embodiment of the present invention, a plurality of height sensor mounting alignment holes 19 and pressure sensor mounting alignment holes 20 are provided in the valve chamber 10, and the height sensor 11 and the pressure sensor 12 are respectively installed in the height sensor mounting alignment holes 19 and the pressure sensor mounting alignment holes 20, and the height of the height sensor 11 is higher than the height of the pressure sensor 12.

[0036] In an air suspension system with a simple circuit of the present invention, the distribution valve 1 is used to control the lifting of the air spring 6, so as to achieve the effect of air suspension. The distribution valve 1 also combines the circuit board 9 and the shell 8 into one, and the circuit board 9 is clamped in the shell 8 to connect with other components of the air suspension system, thereby reducing the connection lines between the distribution valve 1 and other components of the air suspension system, reducing the size of the air suspension system, so that it can be used on motorcycles, and expanding its scope of use. The height sensor 11 and the pressure sensor 12 can enable the distribution valve 1 to judge the vehicle height through the height sensing data or the pressure data, so as to control the vehicle height more accurately.

[0037] The above is only a preferred embodiment of the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. An air suspension system with simple circuits, characterized in that: The invention comprises a distribution valve (1) and an air pump (2), wherein a plurality of air spring control valves (3), a drain valve (4) and an air pump interface (5) are arranged on the top of the distribution valve (1), wherein the air spring control valve (3) is externally connected to an air spring (6), and the air pump interface (5) is connected to a P valve interface (7) of the air pump (2), and the distribution valve (1) comprises a shell (8) and a circuit board (9), wherein an integrally formed valve cavity (10) is arranged in the shell (8), wherein the bottom of the valve cavity (10) is snap-connected to the circuit board (9), wherein a plurality of height sensors (11) and pressure sensors (12) are arranged in the valve cavity (10), and wherein the height sensors (11) and the pressure sensors (12) are both electrically connected to the circuit board (9).

2. The air suspension system with simple circuit according to claim 1, characterized in that: The drain valve (4) is externally connected to a muffler (13).

3. The air suspension system with simple circuit according to claim 1, characterized in that: The RES valve (14) of the air pump (2) is externally connected to an air storage tank (15).

4. The air suspension system with simple circuit according to claim 1, characterized in that: The IN interface of the air pump (2) is provided with an air filter (16).

5. The air suspension system with simple circuit according to claim 1, characterized in that: A connection seat (17) is provided on one side of the housing (8), and the bottom of the connection seat (17) is connected to the circuit board (9).

6. The air suspension system with simple circuit according to claim 5, characterized in that: A plurality of probe interfaces and power interfaces are arranged in the connection seat (17), and both the probe interfaces and the power interfaces are electrically connected to the circuit board (9).

7. The air suspension system with simple circuit according to claim 1, characterized in that: The circuit board (9) receives CAN information of the vehicle through a signal connection.

8. The air suspension system with simple circuit according to claim 1, characterized in that: The distribution valve (1) is connected to a key switch via an electric wire.

9. The air suspension system with simple circuit according to claim 1, characterized in that: A pressure relief valve (18) is provided in the air pump (2).

10. The air suspension system with simple circuitry according to claim 1, characterized in that: A plurality of height sensor mounting alignment holes (19) and a plurality of pressure sensor mounting alignment holes (20) are provided in the valve cavity (10); the height sensor (11) and the pressure sensor (12) are mounted in the height sensor mounting alignment holes (19) and the pressure sensor mounting alignment holes (20), respectively; the height of the height sensor (11) is higher than the height of the pressure sensor (12).

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