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

Abstract

The application provides an integrated valve pump assembly, system, air spring active suspension and automobile, and the integrated valve pump assembly comprises a valve block, a compressor, a dryer and a pneumatic valve group arranged in the valve block; the valve block is provided with a first airflow port and a second airflow port; one end of the compressor is connected with the first airflow port, and the other end of the compressor is connected with a first interface of the dryer; one end of the pneumatic valve group is connected with a second interface of the dryer, and the second end of the pneumatic valve group is connected with the second airflow port. In the application, the integrated valve pump assembly comprises the valve block, and the compressor, the dryer and the pneumatic valve group are integrated in the valve block. The integrated valve pump assembly is arranged in this way, the valve block is processed with air path channels to realize the connection between each valve of the pneumatic valve group and the corresponding air path channel, part of air pipes, wire harnesses and connectors are saved, and the cost can be reduced.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of valve pump assembly, and particularly relates to an integrated valve pump assembly, system, air spring active suspension and automobile. BACKGROUND

[0002] The air spring active suspension has been widely applied to various high-end automobiles and new energy vehicles, and its main feature is that only the air pressure of the air spring supporting the vehicle body needs to be adjusted, and the vehicle body posture is slowly changed to adapt to the change of road conditions. The air supply unit of the open system air spring active suspension on the market mainly adopts a distributed scheme of valves, pumps and controllers. The valves, pumps and controllers of the valve pump assembly in the prior art are arranged separately, which has the problems of many parts, large volume and heavy weight, and is not conducive to vehicle arrangement. SUMMARY

[0003] The application provides an integrated valve pump assembly, system, air spring active suspension and automobile, so as to solve the problems of many parts, large volume and heavy weight of the existing valve pump assembly, which is not conducive to vehicle arrangement.

[0004] An integrated valve pump assembly comprises 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 airflow port and a second airflow port.

[0006] One end of the compressor is connected with the first airflow port, and the other end of the compressor is connected with a first interface of the dryer.

[0007] One end of the pneumatic valve group is connected with a second interface of the dryer, and the second end of the pneumatic valve group is connected with the second airflow 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 airflow port; the second pipeline is arranged between the compressor and the first interface of the dryer; and the third pipeline is arranged between the first interface of the dryer and the first airflow port.

[0009] The pneumatic valve group comprises a first valve group, a second valve group and a third valve group.

[0010] 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.

[0011] Preferably, the first valve group comprises a first electromagnetic valve and four second electromagnetic valves arranged in parallel.

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

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

[0014] Preferably, the first valve group further comprises a first throttle valve, which is arranged near the second interface of the dryer.

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

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

[0017] The third valve group comprises two third electromagnetic valves and a second throttle valve.

[0018] One of the third electromagnetic valves is arranged on the first branch.

[0019] One of the third electromagnetic valves and the second throttle valve are arranged on the second branch.

[0020] Preferably, the third pipeline further comprises a third branch.

[0021] The third valve group comprises an overflow valve arranged on the third branch.

[0022] Preferably, the integrated valve-pump assembly further comprises a pressure sensor, which is arranged on the first pipeline near the second electromagnetic valve.

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

[0024] The first compression chamber and the second compression chamber are connected through the connecting pipe, and a second check valve is arranged in the connecting pipe.

[0025] The compression link assembly is connected to the first compression chamber and the second compression chamber respectively, and sequentially compresses the first compression chamber and the second compression chamber.

[0026] Preferably, the compression link assembly comprises a first compression block, a first link, a second compression block, and a second link.

[0027] The first compression block is movably mounted in the first compression chamber, and the second compression block is movably mounted in the second compression chamber.

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

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

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

[0031] An integrated valve pump system comprises the integrated valve pump assembly and a controller, which is integrated on the valve block of the integrated valve pump assembly and electrically connected with the 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, which is connected with the second air flow port in the integrated valve pump assembly.

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

[0034] The integrated valve pump assembly comprises a valve block, a compressor, a dryer and a pneumatic valve group, which are integrated in the valve block. The integrated valve pump assembly is provided with air passage channels in the valve block, so that each valve of the pneumatic valve group is connected with the corresponding air passage channel, and part of the air pipeline, wire harness and connector are omitted, so that the cost is reduced. Moreover, the structure is compact, the volume is small, the weight is light, and the arrangement and weight reduction of the vehicle are facilitated. The valve block is provided with a first air flow port and a second air flow port, which are respectively used for sucking the gas from the outside into the valve block and discharging the gas in the valve block to the outside. One end of the compressor is connected with the first air flow port, the other end of the compressor is connected with the first interface 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 air flow port. In use, the first air flow port is connected with the outside environment, and the second air flow port is connected with the air spring and the air tank. The gas from the outside enters the compressor through the first air flow port, is compressed by the compressor, is dried by the dryer, is then transported to the pneumatic valve group, and finally is led to each air spring and air tank through the second air flow port, so as to facilitate the control of the lifting of the air spring and improve the functionality of the integrated valve pump assembly, and the platform popularization is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0035] Figure 1 is a structural schematic diagram of the integrated valve pump assembly in the application;

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

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

[0038] 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 electromagnetic valve; 412, second electromagnetic valve; 413, first throttle valve; 42, second valve group; 43, third valve group; 431, third electromagnetic valve; 432, second throttle valve; 433, overflow valve; 5, gas tank; 6, air spring; 7, pressure sensor; 8, second one-way valve; 9, motor; 10, controller; 11, plug-in 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 solved by the present application, technical solutions and beneficial effects clearer, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not used to limit the present application.

[0040] In the description of the present application, it should be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0041] In the description of the present application, it should be noted that unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0042] The embodiment of the present application provides an integrated valve pump assembly, which refers to Figure 1 and 2The integrated valve-pump assembly comprises a valve block 1, a compressor 2, a dryer 3 and a pneumatic valve group 4 arranged in the valve block 1; the valve block 1 is provided with a first air flow port and a second air flow port; one end of the compressor 2 is connected with the first air flow port, and the other end of the compressor 2 is connected with a first interface of the dryer 3; one end of the pneumatic valve group 4 is connected with a second interface of the dryer 3, and the second end of the pneumatic valve group 4 is connected with the second air flow port.

[0043] As an example, the integrated valve-pump assembly comprises a valve block 1, and the compressor 2, the dryer 3 and the pneumatic valve group 4 are integrated in the valve block 1; the integrated valve-pump assembly is arranged in this way, the valve block 1 is processed with air path channels to realize the connection of each valve of the pneumatic valve group 4 with the corresponding air path channel, part of the air pipeline, wire harness and connector are saved, the cost can be reduced; moreover, the structure is compact, the volume is small and the weight is light, which is beneficial to the arrangement and weight reduction of the whole vehicle. The valve block 1 is provided with the first air flow port and the second air flow port, which are respectively used for sucking the gas outside into the valve block 1 and discharging the gas in the valve block 1 to the outside; one end of the compressor 2 is connected with the first air flow port, the other end of the compressor 2 is connected with the first interface of the dryer 3, one end of the pneumatic valve group 4 is connected with the second interface of the dryer 3, and the second end of the pneumatic valve group 4 is connected with the second air flow port. In use, the first air flow port is connected with the outside environment, the second air flow port is connected with the air spring 6 and the gas storage tank 5, the gas outside enters into the compressor 2 from the first air flow port, is compressed by the compressor 2, enters into the dryer 3 for drying, then the dried gas is delivered to the pneumatic valve group 4, and finally is led to each air spring 6 and the gas storage tank 5 through the second air flow port, which is convenient for controlling the lifting of the air spring 6 and improving the functionality of the integrated valve-pump assembly, and is more beneficial to the platform promotion.

[0044] In an embodiment, referring to Figure 1 and Figure 2 , 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 port; 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 port; the pneumatic valve group 4 comprises 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, 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 gas flow port. 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 gas flow port through the first pipeline 13. By controlling the opening and closing of the first valve group 41, the gas is filled into the air spring 6 and the gas tank 5 from the second gas flow port. The second pipeline 14 is arranged between the compressor 2 and the first interface of the dryer 3. The second valve group 42 is arranged on the second pipeline 14. The gas enters the compressor 2 through the first gas flow port for compression. 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 gas flow port. When the air spring 6 descends, the gas will flow back to the dryer 3 from the first pipeline 13 for regeneration, and then be discharged to the external environment from the second gas flow port through the second pipeline 14 and the third pipeline 15. The third valve group 43 is arranged on the third pipeline 15 to facilitate the control of the gas discharge rate, thereby controlling the descending rate of the air spring 6.

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

[0047] As an example, it is introduced that the first valve group 41 includes the first electromagnetic valve 411 and four second electromagnetic valves 412 arranged in parallel. The first end of the first electromagnetic valve 411 is connected with the second interface of the dryer 3, and the second end of the first electromagnetic valve 411 is used for connecting the gas storage tank 5. The connection path is the first gas charging path. When the integrated valve pump assembly is in the first gas charging path, the gas enters through the first gas flow port, is compressed by the compressor 2, is dried by the dryer 3, and the first electromagnetic valve 411 is opened to realize the gas charging of the gas storage tank 5. The first end of each second electromagnetic valve 412 is connected with the second interface of the dryer 3, and the second end of each second electromagnetic valve 412 is used for connecting an air spring 6. The connection path is the second gas charging path. When the integrated valve pump assembly is in the second gas charging path, the gas enters through the first gas flow port, is compressed by the compressor 2, is dried by the dryer 3, and the four parallel second electromagnetic valves 412 are opened to realize the gas charging of the four air springs 6 respectively. The second end of each second electromagnetic valve 412 is also connected with the first end of the first electromagnetic valve 411, and the third gas charging path is formed between the air spring 6 and the gas storage tank 5. When the integrated valve pump assembly is in the third gas charging path, the remaining electromagnetic valves are closed, the first electromagnetic valve 411 and the four parallel second electromagnetic valves 412 are opened, and the four air springs 6 are charged by the gas in the gas storage tank 5.

[0048] In the example, a filter 12 can be added on the first gas flow port to filter the air and avoid impurity particles from entering to damage the equipment.

[0049] In an embodiment, referring to Figure 2 , the first valve group 41 further 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 further includes the 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 of the gas flow rate and facilitate the control of the gas charging rate of the gas storage tank 5 and the air spring 6.

[0051] In an 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 the first one-way valve, and the first one-way valve is arranged on the second pipeline 14 between the compressor 2 and the first interface of the dryer 3 to facilitate the delivery of the compressed gas in the compressor 2 to the dryer 3 and avoid the backflow of the gas in the dryer 3.

[0053] In an 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 electromagnetic valves 431 and a second throttle valve 432; the first branch 151 is provided with a third electromagnetic valve 431; the second branch 152 is provided with a third electromagnetic valve 431 and a second throttle valve 432.

[0054] As an example, the third pipeline 15 is a regeneration path of the air spring 6 descending and the dryer 3 regenerating, the third pipeline 15 includes a first branch 151 and a second branch 152 arranged in parallel, and the third valve group 43 includes two third electromagnetic valves 431 and a second throttle valve 432; the first branch 151 is provided with a third electromagnetic valve 431, and the first branch 151 is a first regeneration path, when the integrated valve pump assembly is in the first regeneration path, the third electromagnetic valve 431 and the first valve group 41 are both opened, and the remaining electromagnetic valves remain closed, after the gas in the air spring 6 enters the dryer 3, the gas is regenerated by the dryer 3 exhaust, and finally discharged from the filter 12 to the outside; the second branch 152 is provided with a third electromagnetic valve 431 and a second throttle valve 432, and the second branch 152 is a second regeneration path parallel to the first regeneration path, when the integrated valve pump assembly is in the second regeneration path, the third electromagnetic valve 431, the second throttle valve 432 and the first valve group 41 are all opened, and the remaining electromagnetic valves remain closed, after the gas in the air spring 6 enters the dryer 3, the gas is regenerated by the dryer 3 exhaust, and then 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 the rapid descent of the air spring 6; the second regeneration path increases the second throttle valve 432, which can make the gas slowly discharge, effectively increase the regeneration efficiency of the dryer 3, and prolong 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 an embodiment, referring to Figure 2 The third pipeline 15 further includes a third branch 153; the third valve group 43 includes an overflow valve 433 arranged on the third branch 153.

[0056] As an example, it is introduced that the third pipeline 15 further includes a third branch 153, the third valve group 43 includes an overflow 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, and the third branch 153 is a overpressure protection path, when the pressure in the integrated valve pump assembly is greater than a set value, the overflow valve 433 will be automatically opened to discharge the gas, thereby protecting the equipment.

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

[0058] As an example, the integrated valve pump assembly further includes a pressure sensor 7 arranged on the first pipeline 13 close to the second electromagnetic valve 412. By opening any one of the four parallel second electromagnetic valves 412 and closing the remaining electromagnetic valves, the pressure of any one air spring 6 can be tested by the pressure sensor 7. By opening the first electromagnetic valve 411 and closing the remaining electromagnetic valves, the pressure of the gas tank 5 can be tested by the pressure sensor 7.

[0059] In an 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 the connecting pipe 23 is provided with a second one-way valve 8. The second compression chamber 22 is connected with the first interface of the dryer 3. The compression connecting rod assembly 24 is connected with the first compression chamber 21 and the second compression chamber 22 respectively, and sequentially compresses the first compression chamber 21 and the second compression chamber 22.

[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 with the first interface of the dryer 3. The gas enters the first compression chamber 21 through the first gas flow port, and then enters the second compression chamber 22 through the connecting pipe 23. The compression connecting rod assembly 24 is connected with the first compression chamber 21 and the second compression chamber 22 respectively, and sequentially compresses the first compression chamber 21 and the second compression chamber 22. 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 double-stage compression. After the gas is compressed by the first compression chamber 21, it is compressed again by the second compression chamber 22, which improves the working pressure of the compressor 2 and makes the working pressure higher. The connecting pipe 23 is provided with a second one-way valve 8, which can prevent the gas in the second compression chamber 22 from flowing back to the first compression chamber 21.

[0061] In an 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 with 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 with the second compression block 243, and the second end of the second connecting rod 244 is hingedly connected to the first connecting rod 242.

[0062] As an example, the compression connecting rod assembly 24 is introduced to include 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 with the first compression block 241, and the second end of the first connecting rod 242 is used for connecting the rotating shaft of the motor 9; the first end of the second connecting rod 244 is connected with the second compression block 243, and the second end of the second connecting rod 244 is hingedly connected on the first connecting rod 242; when the rotating shaft of the motor 9 rotates, the second end of the first connecting rod 242 rotates around the center of the rotating shaft along with the rotation of the rotating shaft, so that the first connecting rod 242 moves, and at the same time, the second connecting rod 244 is moved in the same direction by the first connecting rod 242; one cycle is a rotation of the rotating shaft, in the first half cycle, the first connecting rod 242 moves with the first compression block 241 to compress the gas in the first compression chamber 21, and the second connecting rod 244 moves with the second compression block 243 to not compress the gas in the second compression chamber 22; in the second half cycle, the first connecting rod 242 moves with the first compression block 241 to not compress the gas in the first compression chamber 21, and the second connecting rod 244 moves with the second compression block 243 to compress the gas in the second compression chamber 22.

[0063] In an embodiment, referring to Figure 1 and Figure 2 , the integrated valve pump assembly further includes a motor 9, and the motor 9 is integrated on the valve block 1 and connected with the compressor 2.

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

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

[0066] As an example, the integrated valve pump system 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 with the pneumatic valve group 4 of the integrated valve pump assembly, the controller 10 is provided with a plug interface 11, which is used for connecting with external connector lines, such as a bus and a sensor; the pneumatic valve group 4 and the motor 9 are respectively connected with the controller 10 through PIN pins, and the lifting of the air spring 6 is facilitated by the controller 10. The integrated valve pump assembly includes the valve block 1, the compressor 2, the dryer 3 and the pneumatic valve group 4 integrated in the valve block 1, the integrated valve pump assembly arranged in this way is provided with air path channels in the valve block 1 to realize the connection of each valve of the pneumatic valve group 4 with the corresponding air path channel, part of the air pipeline, the wire harness and the connector are saved, and the cost can be reduced; moreover, the structure is compact, the volume is small, the weight is light, and the arrangement and weight reduction of the whole vehicle are facilitated. The valve block 1 is provided with a first air flow port and a second air flow port, which are respectively used for sucking the air outside into the valve block 1 and discharging the air in the valve block 1 to the outside; one end of the compressor 2 is connected with the first air flow port, the other end of the compressor 2 is connected with the first interface of the dryer 3, one end of the pneumatic valve group 4 is connected with the second interface of the dryer 3, and the second end of the pneumatic valve group 4 is connected with the second air flow port; in use, the first air flow port is connected with the outside environment, the second air flow port is connected with the air spring 6 and the air tank 5, the air outside enters into the compressor 2 from the first air flow port, is compressed by the compressor 2, enters into the dryer 3 for drying, then the dried air is delivered to the pneumatic valve group 4, and finally is led to each air spring 6 and the air tank 5 through the second air flow port, so as to facilitate the lifting of the air spring 6 and improve the functionality of the integrated valve pump assembly, and the platformization popularization is more facilitated.

[0067] The embodiment of the present application provides an air spring active suspension, which comprises an integrated valve pump system and an air spring 6, and the air spring 6 is connected with the 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 with the pneumatic valve group 4 of the integrated valve pump assembly, and the controller 10 is provided with a plug interface 11 for connecting with external connector lines, such as a bus and a sensor; the pneumatic valve group 4 and the motor 9 are respectively connected with the controller 10 through PIN pins, and the controller 10 is convenient for controlling to realize the lifting of the air spring 6. The integrated valve pump assembly comprises the valve block 1, and the compressor 2, the dryer 3 and the pneumatic valve group 4 are integrated in the valve block 1. The integrated valve pump assembly arranged in this way is provided with air path channels in the valve block 1 to realize the connection of each valve of the pneumatic valve group 4 with corresponding air path channels, so that part of air pipes, wire harnesses and connectors can be saved, and the cost can be reduced; and the structure is compact, the volume is small, the weight is light, and the arrangement and weight reduction of the whole vehicle are facilitated. The valve block 1 is provided with a first air flow port and a second air flow port, which are respectively used for sucking air from the outside into the valve block 1 and discharging air in the valve block 1 to the outside; one end of the compressor 2 is connected with the first air flow port, the other end of the compressor 2 is connected with a first interface of the dryer 3, one end of the pneumatic valve group 4 is connected with a second interface of the dryer 3, and the second end of the pneumatic valve group 4 is connected with the second air flow port; in use, the first air flow port is connected with the outside environment, and the second air flow port is connected with the air spring 6 and the air tank 5; air from the outside enters the compressor 2 from the first air flow port, is compressed by the compressor 2, enters the dryer 3 for drying, then the dried air is delivered to the pneumatic valve group 4, and finally is delivered to each air spring 6 and the air tank 5 through the second air flow port, so as to conveniently control the lifting of the air spring 6, realize faster lifting speed of the air spring active suspension, improve the functionality of the integrated valve pump assembly, and facilitate platform popularization.

[0069] The embodiment of the present application provides an automobile 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 with 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 lines, such as a bus and a sensor. The pneumatic valve group 4 and the motor 9 are respectively connected with the controller 10 through PIN pins, and the controller 10 is convenient for controlling to realize the lifting of the air spring 6. The integrated valve pump assembly comprises the valve block 1, and the compressor 2, the dryer 3 and the pneumatic valve group 4 are integrated in the valve block 1. The integrated valve pump assembly arranged in this way is provided with air path channels in the valve block 1 to realize the connection of each valve of the pneumatic valve group 4 with corresponding air path channels, so that part of air pipelines, wire harnesses and connectors can be saved, and the cost can be reduced. Moreover, the structure is compact, the volume is small, the weight is light, and the arrangement and weight reduction of the whole vehicle are facilitated. The valve block 1 is provided with a first air flow port and a second air flow port, which are respectively used for sucking air from outside into the valve block 1 and discharging air in the valve block 1 to outside. One end of the compressor 2 is connected with the first air flow port, the other end of the compressor 2 is connected with a first interface of the dryer 3, one end of the pneumatic valve group 4 is connected with a second interface of the dryer 3, and the second end of the pneumatic valve group 4 is connected with the second air flow port. In use, the first air flow port is connected with the outside environment, and the second air flow port is connected with the air spring 6 and the air tank 5. Air from outside enters the compressor 2 from the first air flow port, is compressed by the compressor 2, enters the dryer 3 for drying, then the dried air is delivered to the pneumatic valve group 4, and finally is led to each air spring 6 and the air tank 5 through the second air flow port, so as to conveniently control the lifting of the air spring 6, realize faster lifting speed of the air spring active suspension, improve the functionality of the integrated valve pump assembly, and facilitate the platformization promotion.

[0071] The above only describes the preferred embodiments of the present application and should not be used to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. An integrated valve-pump assembly, characterized in that, The valve block includes a compressor, a dryer, and a pneumatic valve assembly disposed within the valve block. The valve block is provided with a first airflow port and a second airflow port; The compressor includes a first compression chamber, a second compression chamber, a connecting pipe, and a compression linkage assembly. The first compression chamber and the second compression chamber are connected through the connecting pipe, which contains a second one-way valve. The first compression chamber is connected to a first airflow port, and the second compression chamber is connected to a first interface of the dryer. The compression linkage assembly is connected to both the first and second compression chambers, compressing them sequentially. One end of the pneumatic valve assembly is connected to the second interface of the dryer, and the second end of the pneumatic valve assembly is connected to the second airflow port.

2. The integrated valve-pump assembly according to claim 1, characterized in that, The valve block is provided with a first pipe, a second pipe and a third pipe; the first pipe is located between the second interface of the dryer and the second airflow port; The second pipeline is disposed between the compressor and the first interface of the dryer; the third pipeline is disposed between the first interface of the dryer and the first airflow port; The pneumatic valve group includes a first valve group, a second valve group, and a third valve group. The first valve group is installed on the first pipeline, the second valve group is installed on the second pipeline, and the third valve group is installed 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 second solenoid valve is connected to the second interface of the dryer and the first end of the first solenoid valve, and the second end of each second solenoid valve is used to connect an air spring.

4. The integrated valve-pump assembly according to claim 2, characterized in that, The first valve assembly also includes a first throttle valve, which is located near the second interface of the dryer.

5. The integrated valve-pump assembly according to claim 2, characterized in that, The second valve assembly includes a first check valve disposed between the compressor and the 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 connected in parallel; The third valve group includes two third solenoid valves and one second throttle valve; The third solenoid valve is provided on the first branch; 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 an overflow valve disposed on the third branch.

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

9. The integrated valve-pump assembly according to claim 1, characterized in that, The compression link assembly includes a first compression block, a first link, a second compression block, and a second link; 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 motor shaft; 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.

10. 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.

11. An integrated valve-pump system, characterized in that, The invention includes the integrated valve pump assembly and controller as described in any one of claims 1-10, wherein the controller is integrated on the valve block of the integrated valve pump assembly and electrically connected to the pneumatic valve group of the integrated valve pump assembly.

12. An air spring active suspension, characterized in that, It includes the integrated valve pump system of claim 11 and an air spring, the air spring being connected to a second airflow port in the integrated valve pump assembly.

13. A car, characterized in that, Including the air spring active suspension as described in claim 12.

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