Low-noise open type air suspension compressor integrated with distribution valve
Through the modular design of integrated distribution valves and mufflers, the complex layout and noise problems of traditional open compressors are solved, and the effects of space reduction, light weight and noise reduction are achieved.
Patent Information
- Application Number
- CN202422495809.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-15
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-10-15
AI Technical Summary
Traditional open compressors require additional distribution valves, resulting in large layout space, heavy mass, high noise, and complex maintenance.
It adopts a modular design, integrating the distribution valve, motor assembly, compression mechanism, renewable drying barrel, exhaust mechanical valve and exhaust solenoid valve, combining the intake muffler and exhaust muffler, and adopting a dual-channel flow method to reduce noise.
It reduces the layout space and quality of the air suspension compressor, while effectively reducing noise, improving maintenance convenience and noise control.
Smart Images
Figure CN223120109U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of compressors, in particular to a low-noise open-type air suspension compressor integrated with a distribution valve. Background Art
[0002] Air suspensions are widely used in the chassis systems of new energy passenger cars and commercial vehicles to improve the ride comfort and handling performance.
[0003] As the power unit of the whole system, the air compressor bears the core requirements of chassis lifting and energy storage in the air storage tank. The traditional separate design of the open-type compressor and the distribution valve not only increases the chassis boundary and installation complexity of the ASU system. Specifically, it is necessary to purchase additional distribution valves, develop acoustic packages, wiring harnesses and other components. Finally, the air supply unit has a large layout space, heavy weight and high design complexity. At the same time, the maintenance of the subsequent air supply unit is quite troublesome. In addition, the existing open-type compressors have high working noise. One of the main reasons is that when the chassis descends, the high-pressure gas flows through a single channel in the compressor and finally discharges from the air inlet. The airflow noise exceeding 90 dB is generated during the transportation of the high-pressure gas in the compressor. Summary of the Utility Model
[0004] The purpose of the utility model is to solve the problems of the need to newly install a distribution valve and high noise in the traditional open-type compressor in the prior art, and to propose a low-noise open-type air suspension compressor integrated with a distribution valve.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A low-noise open-type air suspension compressor integrated with a distribution valve, including a housing, wherein a motor assembly, a compression chamber, a distribution valve, an air inlet and an air outlet are arranged in the housing;
[0007] The output end of the motor assembly is connected with a compression mechanism, and the compression mechanism is located in the compression chamber;
[0008] A renewable drying barrel is installed on the housing. The air inlet is communicated with the compression chamber. The air outlet end of the compression chamber is communicated with the air inlet end of the renewable drying barrel. The air outlet end of the renewable drying barrel is communicated with the air inlet end of the air outlet. The air outlet end of the air outlet is communicated with the air inlet end of the distribution valve;
[0009] An intake muffler is installed at the air outlet end of the renewable drying barrel;
[0010] An exhaust muffler is installed on the air outlet.
[0011] Preferably, the compression chamber includes the primary compression chamber and the secondary compression chamber.
[0012] Preferably, the compression mechanism includes an eccentric shaft disposed at the output end of the motor assembly, and the eccentric shaft is connected with a leather cup through a connecting rod;
[0013] The primary compression chamber and the secondary compression chamber are respectively located below and above the compression mechanism.
[0014] Preferably, the renewable drying barrel is arranged in a U shape, and one end of the U-shaped renewable drying barrel intakes air and the other end discharges air.
[0015] Preferably, an exhaust mechanical valve is further arranged in the housing. The exhaust mechanical valve has three ports. The first port of the exhaust mechanical valve is communicated with the gas pipeline between the compression chamber and the renewable drying barrel. The second port is communicated with the compression chamber. The third port is communicated with the gas pipeline between the renewable drying barrel and the exhaust port.
[0016] Preferably, an exhaust solenoid valve is further arranged in the housing, and the exhaust solenoid valve is installed at the air inlet end of the third port of the exhaust mechanical valve.
[0017] Preferably, the exhaust solenoid valve includes an inner cavity of the exhaust solenoid valve, and a sliding seat is hermetically slid on the inner wall of the inner cavity of the exhaust solenoid valve. The sliding seat divides the inner cavity of the exhaust solenoid valve into a left cavity and a right cavity;
[0018] The sliding seat is communicated with the inner wall of the left cavity through an elastic member, and the other end of the sliding seat is connected with a movable valve plate.
[0019] Preferably, the first port and the second port of the exhaust mechanical valve are communicated, and the third port of the exhaust mechanical valve is communicated with the right cavity.
[0020] Preferably, the movable valve plate is installed on the gas pipeline where the first port and the second port of the exhaust mechanical valve are communicated.
[0021] Preferably, the gas pipeline connecting the air inlet and the compression chamber is located outside the motor assembly.
[0022] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0023] In the present utility model, the compressor adopts a modular design, integrating the distribution valve, the motor assembly, the compression mechanism, the renewable drying barrel, the exhaust mechanical valve and the exhaust solenoid valve into one body, reducing the layout space and difficulty of the ASU chassis, and simultaneously having the effects of reducing space and weight.
[0024] In order to solve the noise problem, the present utility model reduces the noise by adding an intake muffler and an exhaust muffler, and simultaneously, through the double-channel flow mode, the airflow noise can be further reduced. Description of the Drawings
[0025] Figure 1 Structural schematic diagram of a low-noise open-type air suspension compressor with an integrated distribution valve proposed by the present utility model;
[0026] Figure 2 Internal structure diagram of a low-noise open-type air suspension compressor with an integrated distribution valve proposed by the present utility model;
[0027] Figure 3 State diagram of a low-noise open-type air suspension compressor with an integrated distribution valve proposed by the present utility model during the compressor intake process;
[0028] Figure 4 State diagram of a low-noise open-type air suspension compressor with an integrated distribution valve proposed by the present utility model in the pressure protection mode during the intake process;
[0029] Figure 5 State diagram of a low-noise open-type air suspension compressor with an integrated distribution valve proposed by the present utility model in the rapid air discharge mode during the exhaust process.
[0030] In the figure: 1. Motor assembly; 2. Compression mechanism; 3. Renewable drying barrel; 4. Exhaust solenoid valve; 5. Distribution valve; 6. Exhaust mechanical valve; 7. Primary compression chamber; 8. Secondary compression chamber; 9. Intake port; 10. Exhaust port; 11. Intake muffler; 12. Exhaust muffler. Specific embodiments
[0031] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.
[0032] Refer to Figures 1 - 5 , a low-noise open-type air suspension compressor with an integrated distribution valve, including a housing, and a motor assembly 1, a compression chamber, a distribution valve 5, an intake port 9, and an exhaust port 10 are arranged in the housing.
[0033] In some embodiments, the output end of the motor assembly 1 is connected to a compression mechanism 2, and the compression mechanism 2 is located in the compression chamber. Among them, the compression mechanism 2 includes an eccentric shaft arranged at the output end of the motor assembly 1, and the eccentric shaft is connected to a leather cup through a connecting rod.
[0034] The working processes of the motor assembly 1 and the compression mechanism 2 are as follows: The motor assembly 1 drives the eccentric shaft to rotate, and further drives the leather cup to move up and down in the compression chamber through the connecting rod.
[0035] Refer to Figure 2, the compression chamber includes a primary compression chamber 7 and a secondary compression chamber 8. Further, the primary compression chamber 7 and the secondary compression chamber 8 are respectively located below and above the compression mechanism 2.
[0036] A renewable drying barrel 3 is installed on the housing. The renewable drying barrel 3 is arranged in a U shape. One end of the U-shaped renewable drying barrel 3 is for air intake and the other end is for air outlet. Then, the air flow enters from one end of the U-shaped renewable drying barrel 3 and flows out from the other end, absorbing the moisture in the air flow.
[0037] The air inlet 9 is communicated with the compression chamber. The air conveying pipeline connecting the air inlet 9 and the compression chamber is located outside the motor assembly 1.
[0038] The air outlet end of the compression chamber is communicated with the air inlet end of the renewable drying barrel 3. Specifically, after the air flow flows into the cavity between the primary compression chamber and the secondary compression chamber, the air flow enters from the air inlet valve of the primary compression chamber and flows out from the air outlet valve of the primary compression chamber. The flowing-out air flow flows through the internal flow channel in the compression chamber to the air inlet valve of the secondary compression chamber, and after passing through the secondary compression chamber, it flows out from the air outlet valve of the secondary compression chamber.
[0039] The air outlet end of the renewable drying barrel 3 is communicated with the air inlet end of the exhaust port 10, and the dried air flow is discharged from the exhaust port 10.
[0040] In this embodiment, the air outlet end of the exhaust port 10 is communicated with the air inlet end of the distribution valve 5, so that the air flow flowing out or flowing into from the exhaust port 10 all flows to the distribution valve 5, and further acts on the air spring or the air storage tank.
[0041] Based on the setting of the distribution valve 5, to ensure that the channels for the air flow to flow into and out of the distribution valve 5 are concentrated within the housing, an exhaust mechanical valve 6 is further provided within the housing. Based on the setting of the exhaust mechanical valve 6, it can ensure that the integrated distribution valve 5 has a pressure protection mode during the air intake process; during the exhaust process, it has a dual-channel structural setting at the same time, so that the air flow within the air spring connected to the distribution valve 5 can be quickly discharged, and at the same time, it has the effect of reducing noise, avoiding the concentrated discharge of the air flow, and reducing the noise during the air flow transportation by means of dispersed air flow discharge.
[0042] In this embodiment, the exhaust mechanical valve 6 has three ports, which are respectively set as follows:
[0043] 1. The first port of the exhaust mechanical valve 6 is communicated with the air conveying pipeline between the compression chamber and the renewable drying barrel 3. Specifically, refer to Figures 3 - 5, the first port of the exhaust mechanical valve 6 is a branch of the compressed chamber and the gas pipeline of the renewable drying barrel 3. In this way, during the intake process in the pressure protection mode or the use of the rapid air discharge mode during the exhaust process, specifically: during the intake process in the pressure protection mode, when the air flow flows from the compressed chamber to the renewable drying barrel 3, it is diverted into the exhaust mechanical valve 6 and then re-enters the compressed chamber, thus reducing the air flow pressure discharged from the exhaust port 10; during the exhaust process in the rapid air discharge mode, the air flow flows from the renewable drying barrel 3 to the compressed chamber, is diverted into the exhaust mechanical valve 6, and then flows from the channel of the exhaust mechanical valve 6 to the compressed chamber. In this way, the exhaust process can be accelerated, and by using the channel for exhausting the air flow from the secondary compressed chamber, the noise during the air flow process can also be reduced.
[0044] 2. The second port is connected to the compressed chamber. Based on the setting of the first port, the setting of the second port is as follows during the intake process in the pressure protection mode or the use of the rapid air discharge mode during the exhaust process: during the intake process in the pressure protection mode, when the air flow flows from the compressed chamber to the renewable drying barrel 3, it is diverted into the exhaust mechanical valve 6 and then enters the compressed chamber through the second port; during the exhaust process in the rapid air discharge mode, the air flow flows from the renewable drying barrel 3 to the compressed chamber, is diverted into the exhaust mechanical valve 6, and then flows to the compressed chamber through the second port.
[0045] 3. The third port is connected to the gas pipeline between the renewable drying barrel 3 and the exhaust port 10. Further, an exhaust solenoid valve 4 is also provided in the housing. The exhaust solenoid valve 4 is installed at the air inlet end of the third port of the exhaust mechanical valve 6. The exhaust solenoid valve 4 is used in the rapid air discharge mode during the exhaust process. In this mode, when the exhaust solenoid valve 4 is opened and the air flow discharged from the air spring flows from the exhaust port 10 to the renewable drying barrel 3, the air flow is diverted into the exhaust mechanical valve 6 through the opened exhaust solenoid valve 4, and then enters the compressed chamber through the second port, forming a second channel during the exhaust process, thereby accelerating the exhaust speed and reducing the noise at the same time.
[0046] In some embodiments, the exhaust solenoid valve 4 includes an exhaust solenoid valve inner cavity, and a sliding seat is hermetically slid on the inner wall of the exhaust solenoid valve inner cavity. The sliding seat divides the exhaust solenoid valve inner cavity into a left cavity and a right cavity.
[0047] It should be added that: based on the requirements of the pressure protection mode during the intake process and the rapid air discharge mode during the exhaust process, among them, the first port and the second port of the exhaust mechanical valve 6 are connected.
[0048] The sliding seat is connected to the inner wall of the left chamber through an elastic member. The elastic member is preferably a spring, but is not limited to a spring. Any elastic structure that can reset the sliding seat after movement is acceptable. The other end of the sliding seat is connected with a movable valve plate. It should be noted that the movable valve plate is installed on the air pipe connecting the first port and the second port of the exhaust mechanical valve 6.
[0049] It should be added that: based on the rapid air discharge mode during the exhaust process and the setting of the movable valve plate, the third port of the exhaust mechanical valve 6 is connected to the right chamber. Specifically, in the rapid air discharge mode during the exhaust process, the air flow flowing from the third port to the right chamber pushes the sliding seat to compress the elastic member, thereby causing the movable valve plate to be opened, resulting in the first port and the second port being in a mutually connected state, realizing the shunt exhaust process of the exhaust mechanical valve 6, and achieving the effects of accelerating the exhaust speed and reducing noise.
[0050] Furthermore, to reduce noise, an intake muffler 11 is installed at the air outlet end of the renewable drying barrel 3; in addition, an exhaust muffler 12 is installed at the exhaust port 10.
[0051] The functional principle of the present utility model can be explained through the following operation mode:
[0052] The intake process of the compressor is as follows:
[0053] Referring to Figure 3 , the motor assembly 1 drives the eccentric shaft in the compression mechanism 2 to perform a periodic rotational motion. As the eccentric shaft swings upward, the connecting rod drives the leather cup to move upward, generating a negative pressure in the primary compression chamber 7. The intake valve plate of the primary compression chamber 7 is opened, and the compressor inhales air in accordance with Figure 3 . As the eccentric shaft moves downward, when the gas in the primary compression chamber 7 is compressed to a set value, the high-pressure gas pushes open the outlet valve plate of the primary compression chamber 7 and enters the inner wall channel between the primary compression chamber 7 and the secondary compression chamber 8. Here, the high-temperature gas will be cooled to a certain extent to achieve inter-stage cooling, and the air flow pushes open the intake valve plate of the secondary compression chamber 8. Then the eccentric shaft moves upward, continues to compress the gas in the secondary compression chamber 8, and after reaching the set pressure, pushes open the exhaust valve plate of the secondary compression chamber 8 and enters the drying barrel. After the gas is dried, it enters the intake muffling element and finally enters the air storage tank or the air spring through the exhaust port 10 and the distribution valve.
[0054] The pressure protection mode during the intake process is as follows:
[0055] During the intake process of the compressor, referring to Figure 4, if the controller fails to timely turn off the power supply of the compressor, the air spring and energy storage device may be damaged after a certain pressure. During the process of the air flow transferring from the secondary compression chamber 8 to the renewable drying barrel 3, part of the air flow enters from the first port of the exhaust mechanical valve 6, and under the action of the high-pressure air flow, the moving valve plate is opened, causing the first port and the second port to be connected. Further, part of the air flow flows back from the second port to the compression chamber, thereby achieving pressure relief and protecting the safety of the air suspension system.
[0056] The rapid exhaust mode of the air flow during the exhaust process is as follows:
[0057] When the chassis needs to descend or forced exhaust is required, the user energizes the exhaust solenoid valve 4, and the exhaust solenoid valve 4 is opened. Refer to Figure 5 , the air flow discharged from the exhaust port 10 enters the exhaust mechanical valve 6 from the opened third port of the exhaust solenoid valve 4. The air flow flowing into the third port enters the right cavity of the exhaust mechanical valve 6, pushing the sliding seat. The movement of the sliding seat opens the moving valve plate, causing the first port and the second port to be in a connected state; further, the air flow flows from the renewable drying barrel 3 to the compression chamber and is diverted into the exhaust mechanical valve 6, and thus flows from the channel of the exhaust mechanical valve 6 to the compression chamber. This can accelerate the exhaust process, and by using the channel for exhausting the air flow from the secondary compression chamber, the noise during the air flow movement can also be reduced.
[0058] As mentioned above, it is only the preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and the inventive concept of the present utility model, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present utility model.
Claims
1. An integrated distribution valve low-noise open-type air suspension compressor, comprising a housing, characterized in that, A motor assembly (1), a compression chamber, a distribution valve (5), an air inlet (9) and an air outlet (10) are arranged inside the housing; The output end of the motor assembly (1) is connected with a compression mechanism (2), and the compression mechanism (2) is located inside the compression chamber; A renewable drying barrel (3) is installed on the housing. The air inlet (9) is communicated with the compression chamber. The air outlet end of the compression chamber is communicated with the air inlet end of the renewable drying barrel (3). The air outlet end of the renewable drying barrel (3) is communicated with the air inlet end of the air outlet (10). The air outlet end of the air outlet (10) is communicated with the air inlet end of the distribution valve (5); An intake muffler (11) is installed on the air outlet end of the renewable drying barrel (3); An exhaust muffler (12) is installed on the air outlet (10).
2. The low-noise open-type air suspension compressor of an integrated distribution valve according to claim 1, characterized in that The compression chamber includes a primary compression chamber (7) and a secondary compression chamber (8).
3. The low-noise open-type air suspension compressor of an integrated distribution valve according to claim 2, characterized in that, The compression mechanism (2) includes an eccentric shaft arranged at the output end of the motor assembly (1), and the eccentric shaft is connected with a leather cup through a connecting rod; The primary compression chamber (7) and the secondary compression chamber (8) are respectively located below and above the compression mechanism (2).
4. The low-noise open-type air suspension compressor of an integrated distribution valve according to claim 1, characterized in that, The renewable drying barrel (3) is arranged in a U shape, and one end of the U-shaped renewable drying barrel (3) intakes air and the other end discharges air.
5. The low-noise open-type air suspension compressor of an integrated distribution valve according to claim 1, wherein An exhaust mechanical valve (6) is further arranged inside the housing. The exhaust mechanical valve (6) has three ports. The first port of the exhaust mechanical valve (6) is communicated with the gas pipeline between the compression chamber and the renewable drying barrel (3). The second port is communicated with the compression chamber. The third port is communicated with the gas pipeline between the renewable drying barrel (3) and the air outlet (10).
6. The low-noise open-type air suspension compressor with an integrated distribution valve according to claim 5, characterized in that, An exhaust solenoid valve (4) is further arranged inside the housing. The exhaust solenoid valve (4) is installed on the air inlet end of the third port of the exhaust mechanical valve (6).
7. The low-noise open-type air suspension compressor with an integrated distribution valve according to claim 6, characterized in that, The exhaust solenoid valve (4) includes an inner cavity of the exhaust solenoid valve. A sliding seat is sealed and slid on the inner wall of the inner cavity of the exhaust solenoid valve. The sliding seat divides the inner cavity of the exhaust solenoid valve into a left cavity and a right cavity; The sliding seat is communicated with the inner wall of the left cavity through an elastic member, and the other end of the sliding seat is connected with a movable valve plate.
8. An open-type air suspension compressor with an integrated distribution valve according to claim 7, characterized in that, The first port and the second port of the exhaust mechanical valve (6) are communicated, and the third port of the exhaust mechanical valve (6) is communicated with the right cavity.
9. The low-noise open-type air suspension compressor with an integrated distribution valve according to claim 8, characterized in that, The movable valve plate is installed on the gas pipeline where the first port and the second port of the exhaust mechanical valve (6) are communicated.
10. The low-noise open-type air suspension compressor with an integrated distribution valve according to claim 1, characterized in that, The gas pipeline where the air inlet (9) is communicated with the compression chamber is located outside the motor assembly (1).