Integrated valve pump assembly and system, air spring active suspension and automobile

Abstract

The invention provides an integrated valve pump assembly and system, an air spring active suspension and an automobile. The integrated valve pump assembly comprises a valve block and further comprises a compressor, a dryer and a pneumatic valve set which are arranged in the valve block. A first airflow port and a second airflow port are formed in the valve block; one end of the compressor is connected with the first airflow opening, and the other end of the compressor is connected with a first connector of the dryer. One end of the pneumatic valve group is connected with the second interface of the dryer, and the second end of the pneumatic valve group is connected with the second airflow port. The integrated valve pump assembly comprises the valve block, the compressor, the dryer and the pneumatic valve set are integrated in the valve block, the air channel channels are machined in the integrated valve pump assembly and the valve block so that all valves of the pneumatic valve set can be connected with the corresponding air channel channels, part of air pipelines, wire harnesses and connectors are omitted, and cost can be reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of valve pump assemblies, and in particular relates to an integrated valve pump assembly, a system, an air spring active suspension and a car. Background Art

[0002] Air spring active suspension has been widely used in various high-end cars and new energy vehicles. Its main feature is that the vehicle will slowly change its body posture up and down to adapt to changes in road conditions by simply adjusting the air pressure of the air spring supporting the vehicle body. The air supply unit of the open system air spring active suspension on the market is mainly a distributed solution of valves, pumps and controllers. The valve, pump and controller of the valve pump assembly in the prior art are arranged separately, with many parts, large volume and heavy weight, which is not conducive to the layout of the whole vehicle. Summary of the invention

[0003] The present invention provides an integrated valve pump assembly, system, air spring active suspension and automobile, so as to solve the problems of the existing valve pump assembly having many parts, large volume and heavy weight, and being unfavorable for the layout of the whole vehicle.

[0004] An integrated valve pump assembly includes a valve block, a compressor, a dryer and a pneumatic valve group arranged in the valve block;

[0005] The valve block is provided with a first air flow opening and a second air flow opening;

[0006] One end of the compressor is connected to the first air flow port, and the other end of the compressor is connected to the first interface of the dryer;

[0007] One end of the pneumatic valve group is connected to the second interface of the dryer, and the second end of the pneumatic valve group is connected to the second air flow port.

[0008] Preferably, the valve block is provided with a first pipeline, a second pipeline and a third pipeline; the first pipeline is arranged between the second interface of the dryer and the second air flow outlet; the second pipeline is arranged between the compressor and the first interface of the dryer; the third pipeline is arranged between the first interface of the dryer and the first air flow outlet;

[0009] The pneumatic valve group includes a first valve group, a second valve group and a third valve group;

[0010] The first valve group is disposed on the first pipeline, the second valve group is disposed on the second pipeline, and the third valve group is disposed on the third pipeline.

[0011] Preferably, the first valve group includes a first solenoid valve and four second solenoid valves arranged in parallel;

[0012] The first end of the first solenoid valve is connected to the second interface of the dryer, and the second end of the first solenoid valve is used to connect to the gas storage tank;

[0013] The first end of each of the second solenoid valves is connected to the second interface of the dryer and the first end of the first solenoid valve, and the second end of each of the second solenoid valves is used to connect to an air spring.

[0014] Preferably, the first valve group further includes a first throttle valve, and the first throttle valve is arranged at a position close to the second interface of the dryer.

[0015] Preferably, the second valve group comprises a first one-way valve, and the first one-way valve is arranged between the compressor and the first interface of the dryer.

[0016] Preferably, the third pipeline includes a first branch and a second branch arranged in parallel;

[0017] The third valve group includes two third solenoid valves and a second throttle valve;

[0018] The first branch is provided with a third solenoid valve;

[0019] The second branch is provided with the third solenoid valve and the second throttle valve.

[0020] Preferably, the third pipeline further includes a third branch;

[0021] The third valve group includes a relief valve arranged on the third branch.

[0022] Preferably, the integrated valve-pump assembly further includes a pressure sensor; the pressure sensor is arranged on the first pipeline close to the second solenoid valve.

[0023] Preferably, the compressor comprises a first compression chamber, a second compression chamber, a connecting pipe and a compression connecting rod assembly;

[0024] The first compression chamber and the second compression chamber are connected through the connecting pipe, a second one-way valve is provided in the connecting pipe, and the second compression chamber is connected to the first interface of the dryer;

[0025] The compression connecting rod assembly is connected to the first compression chamber and the second compression chamber respectively, and compresses the first compression chamber and the second compression chamber in sequence.

[0026] Preferably, the compression connecting rod assembly comprises a first compression block, a first connecting rod, a second compression block and a second connecting rod;

[0027] The first compression block is movably installed in the first compression chamber, and the second compression block is movably installed in the second compression chamber;

[0028] The first end of the first connecting rod is connected to the first compression block, and the second end of the first connecting rod is used to connect to the rotating shaft of the motor;

[0029] The first end of the second connecting rod is connected to the second compression block, and the second end of the second connecting rod is hinged to the first connecting rod.

[0030] Preferably, the integrated valve-pump assembly further comprises a motor, which is integrated on the valve block and connected to the compressor.

[0031] An integrated valve-pump system comprises the integrated valve-pump assembly and a controller, wherein the controller is integrated on a valve block of the integrated valve-pump assembly and is electrically connected to a pneumatic valve group of the integrated valve-pump assembly.

[0032] An air spring active suspension comprises the integrated valve pump system and an air spring, wherein the air spring is connected to the second air flow port in the integrated valve pump assembly.

[0033] A car comprises the air spring active suspension.

[0034] The present invention, the integrated valve pump assembly includes a valve block, a compressor, a dryer and a pneumatic valve group integrated in the valve block, the integrated valve pump assembly arranged in this way, the valve block is processed with an air path channel to realize the connection between each valve of the pneumatic valve group and the corresponding air path channel, eliminating part of the air pipeline, wiring harness and connector, which can reduce the cost; and the structure is compact, small in size and light in weight, which is beneficial to the layout and weight reduction of the whole vehicle. A first air flow port and a second air flow port are provided on the valve block, which are respectively used to suck the external gas into the valve block and discharge the gas in the valve block to the outside; one end of the compressor is connected to the first air flow port, the other end of the compressor is connected to the first interface of the dryer, one end of the pneumatic valve group is connected to the second interface of the dryer, and the second end of the pneumatic valve group is connected to the second air flow port. When in use, the first air flow port is connected to the external environment, and the second air flow port is connected to the air spring and the air tank. The external gas enters the compressor from the first air flow port, is compressed by the compressor, and then enters the dryer for drying. The dried gas is then transported to the pneumatic valve group and finally passes through the second air flow port to each air spring and the air tank, which is convenient for controlling the lifting and lowering of the air spring, improving the functionality of the integrated valve pump assembly, and being more conducive to platform promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 It is a structural schematic diagram of the integrated valve pump assembly of the present invention;

[0036] Figure 2 is a connection path diagram in the integrated valve pump assembly of the present invention;

[0037] Figure 3 It is a structural schematic diagram of the compressor in the present invention.

[0038] Among them, 1. valve block; 2. compressor; 21. first compression chamber; 22. second compression chamber; 23. connecting pipe; 24. compression connecting rod assembly; 241. first compression block; 242. first connecting rod; 243. second compression block; 244. second connecting rod; 3. dryer; 4. pneumatic valve group; 41. first valve group; 411. first solenoid valve; 412. second solenoid valve; 413. first throttle valve; 42. second valve group; 43. third valve group; 431. third solenoid valve; 432. second throttle valve; 433. overflow valve; 5. air storage tank; 6. air spring; 7. pressure sensor; 8. second one-way valve; 9. motor; 10. controller; 11. plug interface; 12. filter; 13. first pipeline; 14. second pipeline; 15. third pipeline; 151. first branch; 152. second branch; 153. third branch. DETAILED DESCRIPTION

[0039] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0040] In the description of the present invention, it should be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are 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 the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0041] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, 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 a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0042] The embodiment of the present invention provides an integrated valve pump assembly, referring to Figure 1 and 2The integrated valve pump assembly includes a valve block 1, and also includes a compressor 2, a dryer 3 and a pneumatic valve group 4 arranged in the valve block 1; a first air flow port and a second air flow port are provided on the valve block 1; one end of the compressor 2 is connected to the first air flow port, and the other end of the compressor 2 is connected to the first interface of the dryer 3; one end of the pneumatic valve group 4 is connected to the second interface of the dryer 3, and the second end of the pneumatic valve group 4 is connected to the second air flow port.

[0043] As an example, the integrated valve pump assembly includes a valve block 1, a compressor 2, a dryer 3 and a pneumatic valve group 4 integrated in the valve block 1. In the integrated valve pump assembly configured in this way, the valve block 1 is processed with an air path to connect each valve of the pneumatic valve group 4 with the corresponding air path, eliminating some air pipelines, wiring harnesses and connectors, which can reduce costs; and the structure is compact, small in size and light in weight, which is conducive to the layout and weight reduction of the entire vehicle. A first air flow port and a second air flow port are provided on the valve block 1, which are used to suck the external gas into the valve block 1 and discharge the gas in the valve block 1 to the outside respectively; one end of the compressor 2 is connected to the first air flow port, the other end of the compressor 2 is connected to the first interface of the dryer 3, one end of the pneumatic valve group 4 is connected to the second interface of the dryer 3, and the second end of the pneumatic valve group 4 is connected to the second air flow port. When in use, the first air flow inlet is connected to the external environment, and the second air flow inlet is connected to the air spring 6 and the air storage tank 5. The external gas enters the compressor 2 from the first air flow inlet, is compressed by the compressor 2, and then enters the dryer 3 for drying. The dried gas is then transported to the pneumatic valve group 4, and finally passes through the second air flow inlet to each air spring 6 and the air storage tank 5, which is convenient for controlling the lifting and lowering of the air spring 6, improving the functionality of the integrated valve pump assembly, and being more conducive to platform promotion.

[0044] In one embodiment, referring to Figure 1 and Figure 2 A first pipeline 13, a second pipeline 14 and a third pipeline 15 are provided in the valve block 1; the first pipeline 13 is arranged between the second interface of the dryer 3 and the second air flow outlet; the second pipeline 14 is arranged between the compressor 2 and the first interface of the dryer 3; the third pipeline 15 is arranged between the first interface of the dryer 3 and the first air flow outlet; the pneumatic valve group 4 includes a first valve group 41, a second valve group 42 and a third valve group 43; the first valve group 41 is arranged on the first pipeline 13, the second valve group 42 is arranged on the second pipeline 14, and the third valve group 43 is arranged on the third pipeline 15.

[0045] As an example, it is introduced that the valve block 1 is provided with a first pipeline 13, a second pipeline 14 and a third pipeline 15, the first pipeline 13 is arranged between the second interface of the dryer 3 and the second air flow outlet, the first valve group 41 is arranged on the first pipeline 13, the gas is transported from the second interface of the dryer 3 to the second air flow outlet through the first pipeline 13, and the gas is inflated to the air spring 6 and the air storage tank 5 from the second air flow outlet by controlling the opening and closing of the first valve group 41; the second pipeline 14 is arranged between the compressor 2 and the first interface of the dryer 3, and the second valve group 42 is arranged on the second pipeline 14 The gas enters the compressor 2 through the first air flow inlet for compression, and the compressed gas is transported to the dryer 3 through the second pipeline 14. The second valve group 42 can facilitate the control of the gas flow; the third pipeline 15 is arranged between the first interface of the dryer 3 and the first air flow inlet, and the air spring 6 descends, and the gas will flow back from the first pipeline 13 to the dryer 3 for regeneration, and then be discharged from the second air flow inlet to the external environment through the second pipeline 14 and the third pipeline 15. The third valve group 43 is arranged on the third pipeline 15, which is convenient for controlling the gas discharge rate, thereby controlling the descending rate of the air spring 6.

[0046] In one embodiment, referring to Figure 1 and Figure 2 The first valve group 41 includes a first solenoid valve 411 and four second solenoid valves 412 arranged in parallel; the first end of the first solenoid valve 411 is connected to the second interface of the dryer 3, and the second end of the first solenoid valve 411 is used to connect to the air storage tank 5; the first end of each second solenoid valve 412 is connected to the second interface of the dryer 3 and the first end of the first solenoid valve 411, and the second end of each second solenoid valve 412 is used to connect to an air spring 6.

[0047] As an example, the first valve group 41 includes a first solenoid valve 411 and four second solenoid valves 412 arranged in parallel. The first end of the first solenoid valve 411 is connected to the second interface of the dryer 3, and the second end of the first solenoid valve 411 is used to connect the air tank 5. This connection path is the first charging path. When the integrated valve pump assembly is in the first charging path, the gas enters through the first air flow port, is compressed by the compressor 2, and is then dried by the dryer 3. The first solenoid valve 411 is opened to inflate the air tank 5. The first end of each second solenoid valve 412 is connected to the second interface of the dryer 3, and the second end of each second solenoid valve 412 is used to connect an air spring 6. This connection path is the second charging path. When the integrated valve pump assembly is in the second charging path, the gas enters through the first air flow port, is compressed by the compressor 2, and is then dried by the dryer 3. The four parallel second solenoid valves 412 are opened to inflate the four air springs 6 respectively. The second end of each second solenoid valve 412 is also connected to the first end of the first solenoid valve 411, forming a third inflation path between the air spring 6 and the air tank 5. When the integrated valve pump assembly is in the third inflation path, the remaining solenoid valves are closed, and the first solenoid valve 411 and the four parallel second solenoid valves 412 are all opened to inflate the four air springs 6 through the gas in the air tank 5.

[0048] In this example, a filter 12 may be added to the first air flow outlet to filter the air and prevent foreign particles from entering and causing damage to the equipment.

[0049] In one embodiment, referring to Figure 2 The first valve group 41 also includes a first throttle valve 413 , and the first throttle valve 413 is arranged at a position close to the second interface of the dryer 3 .

[0050] As an example, it is introduced that the first valve group 41 also includes a first throttle valve 413, and the first throttle valve 413 is arranged at a position close to the second interface of the dryer 3 to increase the control over the gas flow rate and facilitate the control of the inflation rate of the gas storage tank 5 and the air spring 6.

[0051] In one embodiment, referring to Figure 2 The second valve group 42 includes a first one-way valve, and the first one-way valve is arranged between the compressor 2 and the first interface of the dryer 3.

[0052] As an example, it is introduced that the second valve group 42 includes a first one-way valve; the first one-way valve is arranged on the second pipeline 14 between the compressor 2 and the first interface of the dryer 3, so as to facilitate the delivery of the gas compressed by the compressor 2 to the dryer 3 and prevent the gas in the dryer 3 from flowing back.

[0053] In one embodiment, referring to Figure 2The third pipeline 15 includes a first branch 151 and a second branch 152 arranged in parallel; the third valve group 43 includes two third solenoid valves 431 and a second throttle valve 432; a third solenoid valve 431 is provided on the first branch 151; a third solenoid valve 431 and a second throttle valve 432 are provided on the second branch 152.

[0054] As an example, the third pipeline 15 is the regeneration path for the air spring 6 to descend and the dryer 3 to regenerate. The third pipeline 15 includes a first branch 151 and a second branch 152 arranged in parallel. The third valve group 43 includes two third solenoid valves 431 and a second throttle valve 432. A third solenoid valve 431 is provided on the first branch 151. The first branch 151 is the first regeneration path. When the integrated valve pump assembly is in the first regeneration path, the third solenoid valve 431 and the first valve group 41 are both opened, and the other solenoid valves remain closed, and the gas in the air spring 6 enters the dryer. After entering the dryer 3, the gas is exhausted and regenerated by the dryer 3, and finally discharged from the filter 12 to the outside; a third solenoid valve 431 and a second throttle valve 432 are provided on the second branch 152, and the second branch 152 is a second regeneration path connected in parallel with the first regeneration path. When the integrated valve pump assembly is in the second regeneration path, the third solenoid valve 431, the second throttle valve 432 and the first valve group 41 are all opened, and the other solenoid valves remain closed. After the gas in the air spring 6 enters the dryer 3, it is exhausted and regenerated by the dryer 3, and is discharged from the filter 12 to the outside after being adjusted by the second throttle valve 432. Among them, the first regeneration path is the same as the prior art, which can ensure that the air spring 6 descends quickly; the second regeneration path adds the second throttle valve 432, which can make the gas slowly discharged, effectively increase the regeneration efficiency of the dryer 3, and improve the service life of the dryer 3; at the same time, it can significantly reduce the exhaust sound and improve the sound quality level.

[0055] In one embodiment, referring to Figure 2 The third pipeline 15 also includes a third branch 153 ; the third valve group 43 includes a relief valve 433 arranged on the third branch 153 .

[0056] As an example, it is introduced that the third pipeline 15 also includes a third branch 153, the third valve group 43 includes a relief valve 433 arranged on the third branch 153, the third branch 153 is arranged in parallel with the first branch 151 and the second branch 152, the third branch 153 is an overpressure protection path, when the pressure in the integrated valve pump assembly is greater than the set value, the relief valve 433 will automatically open to discharge the gas, thereby protecting the equipment.

[0057] In one embodiment, referring to Figure 1 The integrated valve pump assembly also includes a pressure sensor 7 ; the pressure sensor 7 is arranged on the first pipeline 13 close to the second solenoid valve 412 .

[0058] As an example, the integrated valve pump assembly further includes a pressure sensor 7, which is arranged on the first pipeline 13 near the second solenoid valve 412. By opening any second solenoid valve 412 of the four parallel second solenoid valves 412 and closing the remaining solenoid valves, the pressure test of any air spring 6 can be achieved through the pressure sensor 7. By opening the first solenoid valve 411 and closing the remaining solenoid valves, the pressure test of the air storage tank 5 can be achieved through the pressure sensor 7.

[0059] In one embodiment, referring to Figure 3 The compressor 2 includes a first compression chamber 21, a second compression chamber 22, a connecting pipe 23 and a compression connecting rod assembly 24; the first compression chamber 21 and the second compression chamber 22 are connected through the connecting pipe 23, and a second one-way valve 8 is provided in the connecting pipe 23. The second compression chamber 22 is connected to the first interface of the dryer 3; the compression connecting rod assembly 24 is respectively connected to the first compression chamber 21 and the second compression chamber 22, and compresses the first compression chamber 21 and the second compression chamber 22 in turn.

[0060] As an example, the compressor 2 includes a first compression chamber 21, a second compression chamber 22, a connecting pipe 23 and a compression connecting rod assembly 24. The first compression chamber 21 and the second compression chamber 22 are connected through the connecting pipe 23, and the second compression chamber 22 is connected to the first interface of the dryer 3; the gas enters the first compression chamber 21 through the first air flow port, and then enters the second compression chamber 22 through the connecting pipe 23. The compression connecting rod assembly 24 is connected to the first compression chamber 21 and the second compression chamber 22 respectively, and the first compression chamber 21 and the second compression chamber 22 are compressed in turn. The compressed gas is transported into the dryer 3 through the first interface of the dryer 3 for drying. In this example, the compressor 2 adopts two-stage compression. After the gas is compressed by the first compression chamber 21, it is compressed twice by the second compression chamber 22 to increase the working pressure of the compressor 2 and make the working pressure higher; a second one-way valve 8 is provided in the connecting pipe 23 to prevent the gas in the second compression chamber 22 from flowing back to the first compression chamber 21.

[0061] In one embodiment, referring to Figure 3 The compression connecting rod assembly 24 includes a first compression block 241, a first connecting rod 242, a second compression block 243 and a second connecting rod 244; the first compression block 241 is movably installed in the first compression chamber 21, and the second compression block 243 is movably installed in the second compression chamber 22; the first end of the first connecting rod 242 is connected to the first compression block 241, and the second end of the first connecting rod 242 is used to connect the rotating shaft of the motor 9; the first end of the second connecting rod 244 is connected to the second compression block 243, and the second end of the second connecting rod 244 is hinged on the first connecting rod 242.

[0062] As an example, the compression connecting rod assembly 24 includes a first compression block 241, a first connecting rod 242, a second compression block 243 and a second connecting rod 244, wherein the first compression block 241 is movably installed in the first compression chamber 21, the second compression block 243 is movably installed in the second compression chamber 22, the first end of the first connecting rod 242 is connected to the first compression block 241, and the second end of the first connecting rod 242 is used to connect the rotating shaft of the motor 9; the first end of the second connecting rod 244 is connected to the second compression block 243, and the second end of the second connecting rod 244 is hinged on the first connecting rod 242. When the rotating shaft of the motor 9 rotates, the second end of the first connecting rod 242 will rotate with the rotating shaft. The rotation around the center of the shaft causes the first connecting rod 242 to move, and at the same time, the second connecting rod 244 is moved in the same direction by the first connecting rod 242. One rotation of the shaft is considered a cycle. In the first half of the cycle, the first connecting rod 242 moves the first compression block 241 to compress the gas in the first compression chamber 21, and the second connecting rod 244 moves the second compression block 243 to not compress the gas in the second compression chamber 22. In the second half of the cycle, the first connecting rod 242 moves the first compression block 241 to not compress the gas in the first compression chamber 21, and the second connecting rod 244 moves the second compression block 243 to compress the gas in the second compression chamber 22.

[0063] In one embodiment, referring to Figure 1 and Figure 2 The integrated valve pump assembly also includes a motor 9 , which is integrated on the valve block 1 and connected to the compressor 2 .

[0064] As an example, the integrated valve pump assembly is introduced to further include a motor 9 , which is integrated on the valve block 1 through fasteners and connected to the compressor 2 , so as to facilitate the control of the operation of the compressor 2 .

[0065] The embodiment of the present invention provides an integrated valve pump system, referring to Figure 1 and Figure 2 , including an integrated valve pump assembly and a controller 10, wherein the controller 10 is integrated on a valve block 1 of the integrated valve pump assembly and is electrically connected to a pneumatic valve group 4 of the integrated valve pump assembly.

[0066] As an example, an integrated valve pump system is introduced, which includes an integrated valve pump assembly and a controller 10. The controller 10 is integrated on the valve block 1 of the integrated valve pump assembly and is electrically connected to the pneumatic valve group 4 of the integrated valve pump assembly. The controller 10 is provided with a plug interface 11 for connecting with external connector wires, such as a bus and a sensor. The pneumatic valve group 4 and the motor 9 are respectively connected to the controller 10 through PIN pins, and the controller 10 is convenient for controlling the lifting and lowering of the air spring 6. The integrated valve pump assembly includes a valve block 1, and the compressor 2, the dryer 3 and the pneumatic valve group 4 are integrated in the valve block 1. In the integrated valve pump assembly set up in this way, the valve block 1 is processed with an air path channel to realize the connection between each valve of the pneumatic valve group 4 and the corresponding air path channel, which saves some air pipelines, wiring harnesses and connectors, and can reduce costs; and the structure is compact, small in size and light in weight, which is conducive to the layout and weight reduction of the whole vehicle. A first air flow inlet and a second air flow inlet are provided on the valve block 1, which are respectively used to suck external gas into the valve block 1 and discharge the gas in the valve block 1 to the outside; one end of the compressor 2 is connected to the first air flow inlet, the other end of the compressor 2 is connected to the first interface of the dryer 3, one end of the pneumatic valve group 4 is connected to the second interface of the dryer 3, and the second end of the pneumatic valve group 4 is connected to the second air flow inlet; when in use, the first air flow inlet is connected to the external environment, and the second air flow inlet is connected to the air spring 6 and the air storage tank 5. The external gas enters the compressor 2 from the first air flow inlet, enters the dryer 3 for drying after being compressed by the compressor 2, and then the dried gas is transported to the pneumatic valve group 4, and finally leads to each air spring 6 and the air storage tank 5 through the second air flow inlet, which is convenient for controlling the lifting and lowering of the air spring 6, improving the functionality of the integrated valve pump assembly, and more conducive to platform promotion.

[0067] An embodiment of the present invention provides an air spring active suspension, comprising an integrated valve-pump system and an air spring 6 , wherein the air spring 6 is connected to a second air flow port in the integrated valve-pump assembly.

[0068] As an example, the controller 10 is integrated on the valve block 1 of the integrated valve pump assembly, and is electrically connected to the pneumatic valve group 4 of the integrated valve pump assembly. The controller 10 is provided with a plug interface 11 for connecting with external connector wires, such as a bus and a sensor; the pneumatic valve group 4 and the motor 9 are respectively connected to the controller 10 through PIN pins, and the controller 10 is convenient for controlling the lifting and lowering of the air spring 6. The integrated valve pump assembly includes a valve block 1, a compressor 2, a dryer 3 and a pneumatic valve group 4 are integrated in the valve block 1. In the integrated valve pump assembly arranged in this way, the valve block 1 is processed with an air path channel to realize the connection between each valve of the pneumatic valve group 4 and the corresponding air path channel, which saves some air pipelines, wiring harnesses and connectors, and can reduce costs; and the structure is compact, small in size and light in weight, which is conducive to the layout and weight reduction of the whole vehicle. A first air flow inlet and a second air flow inlet are provided on the valve block 1, which are respectively used to suck external gas into the valve block 1 and discharge the gas in the valve block 1 to the outside; one end of the compressor 2 is connected to the first air flow inlet, the other end of the compressor 2 is connected to the first interface of the dryer 3, one end of the pneumatic valve group 4 is connected to the second interface of the dryer 3, and the second end of the pneumatic valve group 4 is connected to the second air flow inlet; when in use, the first air flow inlet is connected to the external environment, and the second air flow inlet is connected to the air spring 6 and the air storage tank 5. The external gas enters the compressor 2 from the first air flow inlet, enters the dryer 3 for drying after being compressed by the compressor 2, and then the dried gas is transported to the pneumatic valve group 4, and finally leads to each air spring 6 and the air storage tank 5 through the second air flow inlet, so as to facilitate the control of the lifting and lowering of the air spring 6, realize a faster lifting and lowering speed of the air spring active suspension, improve the functionality of the integrated valve pump assembly, and be more conducive to platform promotion.

[0069] An embodiment of the present invention provides a car, comprising an air spring active suspension.

[0070] As an example, the controller 10 is integrated on the valve block 1 of the integrated valve pump assembly, and is electrically connected to the pneumatic valve group 4 of the integrated valve pump assembly. The controller 10 is provided with a plug interface 11 for connecting with external connector wires, such as a bus and a sensor; the pneumatic valve group 4 and the motor 9 are respectively connected to the controller 10 through PIN pins, and the controller 10 is convenient for controlling the lifting and lowering of the air spring 6. The integrated valve pump assembly includes a valve block 1, a compressor 2, a dryer 3 and a pneumatic valve group 4 are integrated in the valve block 1. In the integrated valve pump assembly arranged in this way, the valve block 1 is processed with an air path channel to realize the connection between each valve of the pneumatic valve group 4 and the corresponding air path channel, which saves some air pipelines, wiring harnesses and connectors, and can reduce costs; and the structure is compact, small in size and light in weight, which is conducive to the layout and weight reduction of the whole vehicle. A first air flow inlet and a second air flow inlet are provided on the valve block 1, which are respectively used to suck external gas into the valve block 1 and discharge the gas in the valve block 1 to the outside; one end of the compressor 2 is connected to the first air flow inlet, the other end of the compressor 2 is connected to the first interface of the dryer 3, one end of the pneumatic valve group 4 is connected to the second interface of the dryer 3, and the second end of the pneumatic valve group 4 is connected to the second air flow inlet; when in use, the first air flow inlet is connected to the external environment, and the second air flow inlet is connected to the air spring 6 and the air storage tank 5. The external gas enters the compressor 2 from the first air flow inlet, enters the dryer 3 for drying after being compressed by the compressor 2, and then the dried gas is transported to the pneumatic valve group 4, and finally leads to each air spring 6 and the air storage tank 5 through the second air flow inlet, so as to facilitate the control of the lifting and lowering of the air spring 6, realize a faster lifting and lowering speed of the air spring active suspension, improve the functionality of the integrated valve pump assembly, and be more conducive to platform promotion.

[0071] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An integrated valve pump assembly, characterized in that: It includes a valve block, and also includes a compressor, a dryer and a pneumatic valve group arranged in the valve block; The valve block is provided with a first air flow opening and a second air flow opening; One end of the compressor is connected to the first air flow port, and the other end of the compressor is connected to the first interface of the dryer; One end of the pneumatic valve group is connected to the second interface of the dryer, and the second end of the pneumatic valve group is connected to the second air flow port.

2. The integrated valve pump assembly according to claim 1, characterized in that: The valve block is provided with a first pipeline, a second pipeline and a third pipeline; the first pipeline is arranged between the second interface of the dryer and the second air flow outlet; The second pipeline is arranged between the compressor and the first interface of the dryer; the third pipeline is arranged between the first interface of the dryer and the first air flow port; The pneumatic valve group includes a first valve group, a second valve group and a third valve group. The first valve group is arranged on the first pipeline, the second valve group is arranged on the second pipeline, and the third valve group is arranged on the third pipeline.

3. The integrated valve pump assembly according to claim 2, characterized in that: The first valve group includes a first solenoid valve and four second solenoid valves arranged in parallel; The first end of the first solenoid valve is connected to the second interface of the dryer, and the second end of the first solenoid valve is used to connect to the gas storage tank; The first end of each of the second solenoid valves is connected to the second interface of the dryer and the first end of the first solenoid valve, and the second end of each of the second solenoid valves is used to connect to an air spring.

4. The integrated valve pump assembly according to claim 2, characterized in that: The first valve group further includes a first throttle valve, which is arranged at a position close to the second interface of the dryer.

5. The integrated valve pump assembly according to claim 2, characterized in that: The second valve group includes a first one-way valve, and the first one-way valve is arranged between the compressor and a first interface of the dryer.

6. The integrated valve pump assembly according to claim 2, characterized in that: The third pipeline includes a first branch and a second branch arranged in parallel; The third valve group includes two third solenoid valves and a second throttle valve; The first branch is provided with a third solenoid valve; The second branch is provided with the third solenoid valve and the second throttle valve.

7. The integrated valve-pump assembly according to claim 2, characterized in that: The third pipeline also includes a third branch; The third valve group includes a relief valve arranged on the third branch.

8. The integrated valve-pump assembly according to claim 3, characterized in that: The integrated valve-pump assembly further includes a pressure sensor; the pressure sensor is disposed on a first pipeline close to the second solenoid valve.

9. The integrated valve-pump assembly according to claim 1, characterized in that: The compressor comprises a first compression chamber, a second compression chamber, a connecting pipe and a compression connecting rod assembly; The first compression chamber and the second compression chamber are connected through the connecting pipe, a second one-way valve is provided in the connecting pipe, and the second compression chamber is connected to the first interface of the dryer; The compression connecting rod assembly is connected to the first compression chamber and the second compression chamber respectively, and compresses the first compression chamber and the second compression chamber in sequence.

10. The integrated valve pump assembly according to claim 9, characterized in that: The compression connecting rod assembly includes a first compression block, a first connecting rod, a second compression block and a second connecting rod; The first compression block is movably installed in the first compression chamber, and the second compression block is movably installed in the second compression chamber; The first end of the first connecting rod is connected to the first compression block, and the second end of the first connecting rod is used to connect to the rotating shaft of the motor; The first end of the second connecting rod is connected to the second compression block, and the second end of the second connecting rod is hinged to the first connecting rod.

11. The integrated valve pump assembly according to claim 1, characterized in that: The integrated valve pump assembly also includes a motor, which is integrated on the valve block and connected to the compressor.

12. An integrated valve pump system, characterized in that: It comprises the integrated valve-pump assembly and the controller as described in any one of claims 1 to 11, wherein the controller is integrated on the valve block of the integrated valve-pump assembly and is electrically connected to the pneumatic valve group of the integrated valve-pump assembly.

13. An air spring active suspension, characterized in that: It comprises the integrated valve-pump system as claimed in claim 12 and an air spring, wherein the air spring is connected to the second air flow port in the integrated valve-pump assembly.

14. A car, characterized in that: Includes the air spring active suspension as described in claim 13.

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