CN114701317A - Air source adjusting device and method for air spring - Google Patents
Air source adjusting device and method for air spring Download PDFInfo
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- CN114701317A CN114701317A CN202210413391.4A CN202210413391A CN114701317A CN 114701317 A CN114701317 A CN 114701317A CN 202210413391 A CN202210413391 A CN 202210413391A CN 114701317 A CN114701317 A CN 114701317A
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- air
- valve core
- gas path
- path pipeline
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
- B60G17/052—Pneumatic spring characteristics
- B60G17/0521—Pneumatic spring characteristics the spring having a flexible wall
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
- B60G17/052—Pneumatic spring characteristics
- B60G17/0523—Regulating distributors or valves for pneumatic springs
- B60G17/0526—Distributor units, e.g. for retractable wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/15—Fluid spring
- B60G2202/152—Pneumatic spring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/40—Type of actuator
- B60G2202/42—Electric actuator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2500/00—Indexing codes relating to the regulated action or device
- B60G2500/20—Spring action or springs
- B60G2500/204—Pressure regulating valves for air-springs
- B60G2500/2041—Pressure regulating valves for air-springs for variable volume air springs, e.g. using accumulators as expansion chambers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention provides an air spring air source adjusting device and an adjusting method thereof, wherein the adjusting device comprises an air storage cylinder, an air compression pump, an air dryer, an air filter element, an air path distribution valve, a motor and an integrated drive plate, wherein the motor is used for driving the air compression pump to work, the air compression pump is used for compressing air into high-pressure air, the air storage cylinder is used for storing the high-pressure air, the air dryer is used for dehumidifying the high-pressure air, and the air path distribution valve comprises a plurality of valve cores, air path pipelines and air path connectors and is used for realizing the connection among the air storage cylinder, the air compression pump and an air spring; the integrated drive plate is used for controlling the motor and the valve core. The air spring inner circulation slow inflation, the air spring inner circulation fast inflation, the air spring inner circulation slow exhaust, the air spring outer circulation fast exhaust and the air storage cylinder air supplement are realized through controlling the valve cores, so that closed adjustment of an air suspension system is formed, the passing performance and the comfort of a vehicle are improved, and the energy consumption is reduced.
Description
Technical Field
The invention relates to the technical field of air springs, in particular to an air spring air source adjusting device and an air spring air source adjusting method.
Background
The automobile air suspension system replaces the traditional spiral spring through the air spring, realizes the adjustable height of an automobile body, basically consistent suspension offset frequency under different loads and the absorption and filtration effect on high-frequency impact on a road surface, and improves the smoothness and the operation stability of an automobile.
The air spring system supply device applied to the automobile in the prior art in China is mainly an open system. The open system generally comprises an air compressor, a valve and a controller, the air circulation mode of the open system is external circulation, the external atmosphere is compressed by an air pump to inflate an air spring, and the air exhausted by the air spring is directly discharged into the external atmosphere. The open system has the disadvantages of slow inflation and deflation, high noise and high energy consumption.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an air spring air source adjusting device and an adjusting method thereof, which can realize an external circulation air circulation mode and an internal circulation air circulation mode, and can freely select quick inflation and deflation or slow inflation and deflation of an air spring.
In order to achieve the purpose, the invention adopts the following specific technical scheme:
the invention provides an air spring air source adjusting device which comprises a motor, an air compression pump, an air dryer, an air path distribution valve and an integrated drive plate, wherein the air compression pump is connected with the air dryer; the motor is used for driving the air compression pump to work; the air compression pump is used for compressing the gas into high-pressure gas; the air storage cylinder is used for storing high-pressure gas; the air dryer is used for dehumidifying the high-pressure gas; the air path distribution valve comprises a valve core, an air path pipeline and an air path joint and is used for realizing the connection among the air storage cylinder, the air compression pump and the air spring; the integrated drive plate is used for controlling the motor and the valve core; an external circulation channel is formed among the air compression pump, the valve core and the air spring, and external air is filled into the air spring or the air in the air spring is exhausted into the external atmosphere by controlling the valve core; an internal circulation channel is formed among the air storage cylinder, the air compression pump, the valve core and the air spring, and the air in the air storage cylinder is slowly or quickly filled into the air spring or discharged into the air storage cylinder through controlling the valve core.
Preferably, the gas path distribution valve comprises first to ninth valve cores and first to fourth gas path joints, and eleven gas path channels are respectively a first to eleventh gas path pipeline; the first valve core and the second valve core are arranged on the first gas path pipeline, the third valve core is arranged on the third gas path pipeline, the fourth valve core is arranged on the second gas path pipeline, the fifth valve core to the eighth valve core are respectively and correspondingly arranged on the fifth gas path pipeline to the eighth gas path pipeline, and the ninth valve core is arranged on the eleventh gas path pipeline; one end of a first gas path pipeline is communicated with the gas storage cylinder, one end of a second gas path pipeline is communicated with the air dryer, the other end of the first gas path pipeline and the other end of the second gas path pipeline are respectively communicated with one end of a fourth gas path pipeline, the other end of the fourth gas path pipeline is respectively connected with one end of a fifth gas path pipeline, the other end of a eighth gas path pipeline, the other end of the fifth gas path pipeline, the other end of the eighth gas path pipeline, the fifth gas path pipeline, the fourth gas path pipeline, one end of a third gas path pipeline, the third gas path pipeline and the fourth gas path pipeline are respectively communicated with the air dryer and the air compression pump, one end of a tenth gas path pipeline is communicated with the air compression pump, the other end of the tenth gas path pipeline is connected with the first gas path pipeline, the tenth gas path pipeline, the other end of the tenth gas path pipeline is connected with the air dryer, the fifth gas path pipeline is located between the first valve core and the fourth valve core And one end of the eleventh air channel pipeline is communicated with the tenth air channel pipeline, and the other end of the eleventh air channel pipeline is communicated with the outside atmosphere through an air filter element.
Preferably, the integrated driving board comprises an electromagnetic valve driving chip and a motor driving chip, wherein the electromagnetic valve driving chip is used for controlling the first to ninth electromagnetic valves, and the motor driving chip is used for controlling the motor.
Preferably, a pressure sensor is arranged on the fourth air path pipeline and used for monitoring the pressure of the four air spring air chambers.
Preferably, the integrated drive plate further comprises a pressure sensor acquisition module for acquiring pressure data monitored by the pressure sensor.
The adjusting method of the air spring air source provided by the invention is realized by using the air spring air source adjusting device, and specifically comprises the following adjusting modes:
slow inflation of air spring internal circulation:
opening the first valve core, the second valve core and the fifth to eighth valve cores, and filling the high-pressure gas in the gas storage cylinder into the gas chambers of the four air springs under the action of pressure difference;
air spring internal circulation quick inflation:
opening the first valve core, the fourth valve core and the fifth to eighth valve cores, starting a motor to drive an air compression pump to work, and filling air output by the air storage cylinder into air chambers of the four air springs after the air output by the air storage cylinder is pressurized again;
the outer circulation of the air spring is slowly inflated:
when the air pressure in the air storage cylinder is lower than the air pressure in the air chambers of the four air springs, the fourth valve core, the ninth valve core and the fifth to eighth valve cores are opened, the motor is started to drive the air compression pump to work, air in the outside atmosphere is compressed into high-pressure air, and the high-pressure air is filled into the air chambers of the four air springs after being dehumidified by the air dryer;
slow internal circulation exhaust of air spring:
opening the second valve core, the third valve core and the fifth to eighth valve cores, starting a motor to drive an air compression pump to work, and discharging the gas in the four air spring air chambers into an air storage cylinder;
air spring rapid external circulation exhaust:
opening the second valve core, the ninth valve core and the fifth to eighth valve cores, and directly discharging the gas in the air chamber of the air spring into the external atmosphere;
air supply of the air storage cylinder:
and opening the third valve core and the ninth valve core, starting a motor to drive an air compression pump to work, compressing air in the external atmosphere into high-pressure gas, dehumidifying the high-pressure gas by an air dryer, and storing the high-pressure gas in an air storage cylinder.
The invention is based on the existing air spring system supply device, and is additionally provided with the air storage cylinder, the valve core and the air path pipeline to realize an inner circulation channel and an outer circulation channel of air, the inner circulation channel is opened through controlling each valve core, the air flows between the air spring and the air storage cylinder in the air spring inflation and deflation process, and the outer circulation channel is opened through controlling each valve core, the air flows between the air spring and the outside atmosphere in the air spring inflation and deflation and air storage cylinder inflation processes.
Drawings
Fig. 1 is a schematic view of an air path principle of an air spring air source adjusting device provided according to an embodiment of the invention.
Wherein the reference numerals include: the air cylinder 1, the air compression pump 2, the air dryer 3, the air filter element 4, the air path distribution valve 5, the first to ninth valve cores 601 and 609, the first to eleventh air path pipelines 701 and 711, the first to fourth air path joints 801 and 804, the air spring 901 and 904 and the pressure sensor 10.
Detailed Description
Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the following description, the same reference numerals are used for the same blocks. In the case of the same reference numerals, their names and functions are also the same. Therefore, detailed description thereof will not be repeated.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention.
The invention provides an air spring air source adjusting device and an air spring air source adjusting method. Before describing the method for adjusting the air spring in detail, the air source adjusting device of the air spring will be explained.
Fig. 1 illustrates an air path principle of an air spring air source adjusting device provided according to an embodiment of the invention.
As shown in fig. 1, the air spring air supply adjusting apparatus includes: an air cylinder 1, an air compression pump 2, an air dryer 3, an air filter element 4, an air path distribution valve 5, a motor (not shown) and an integrated drive plate (not shown); the motor is used for driving the air compression pump to work; the air compression pump 2 is used for compressing gas into high-pressure gas; the air storage cylinder 1 is used for storing high-pressure gas; the air dryer 3 is used for dehumidifying high-pressure gas; the air path distribution valve 5 comprises a valve core, an air path pipeline and an air path joint and is used for realizing the connection among the air storage cylinder 1, the air compression pump 2 and the air spring to form an external circulation channel and an internal circulation channel of air; the integrated drive plate comprises a valve core drive chip and a motor drive chip, the valve core drive chip is used for controlling the valve core to be opened and closed, and the motor drive chip is used for controlling whether the motor works or not.
More specifically, the air path distribution valve 5 includes first to ninth valve cores 601-609 and first to fourth air path joints 801-804, and the air path pipes are first to eleventh air path pipes 701-711, respectively; the first valve core 601 and the second valve core 602 are arranged on the first air passage pipeline 701, the third valve core 603 is arranged on the third air passage pipeline 703, the fourth valve core 604 is arranged on the second air passage pipeline 702, the fifth to eighth valve cores 605 and 608 are respectively and correspondingly arranged on the fifth to eighth air passage pipelines 705 and 708, and the ninth valve core 609 is arranged on the eleventh air passage pipeline 711; one end of a first air path pipeline 701 is communicated with the air storage cylinder 1, one end of a second air path pipeline 702 is communicated with the air dryer 3, the other end of the first air path pipeline 701 and the other end of the second air path pipeline 702 are respectively communicated with one end of a fourth air path pipeline 704, the other end of the fourth air path pipeline 704 is respectively connected with one end of a fifth to eighth air path pipeline 705 and 708, the other ends of the fifth to eighth air path pipelines 708 are respectively communicated with pipelines of four air springs 901 and 904 through first to fourth air path connectors 801 and 705, one end of a third air path pipeline 703 is communicated with a position on the first air path pipeline 701 between the air storage cylinder 1 and the first valve core 601, the other end of the third air path pipeline 703 is communicated with a position on the second air path pipeline 702 between the air dryer 3 and the fourth valve core 604, the two ends of a ninth air path pipeline 709 are respectively communicated with the air dryer 3 and the air compression pump 2, one end of the tenth air passage pipeline 710 is communicated with the air compression pump 2, the other end of the tenth air passage pipeline 710 is connected to the first air passage pipeline 701 at a position between the first valve core 601 and the second valve core 602, one end of the eleventh air passage pipeline 711 is communicated with the tenth air passage pipeline 710, and the other end of the eleventh air passage pipeline 711 is communicated with the external atmosphere through the air filter 4.
In a preferred embodiment of the present invention, the air spring air source adjusting device further comprises a pressure sensor 10, and the pressure sensor 10 is disposed on the fourth air path pipe 704 for monitoring the pressure of the four air springs 901 and 904. The integrated drive board also includes a pressure sensor acquisition module for acquiring pressure data monitored by the pressure sensor 10. The pressure sensor acquisition module analyzes the pressure value at the moment or reads the voltage signal in the fault diagnosis range of the pressure sensor 10 by reading the voltage signal in the normal range of the pressure sensor 10, and judges the fault.
In an embodiment of the present invention, the first to ninth valve cores 601 and 609 are all electric switch valves, the air compression pump 2 is a plunger pump, and the motor is a dc motor.
The above details describe the air path principle of the air spring air source adjusting device provided by the embodiment of the present invention, and the method for adjusting an air spring by using the air spring air source adjusting device includes the following adjusting modes:
air spring internal circulation slow inflation
Only the first valve core 601, the second valve core 602, the fifth to eighth valve cores 605 and 608 are opened, and the other valve cores are closed, and the internal circulation slow inflation channel is opened, so that the high-pressure gas in the gas cylinder 1 is slowly inflated into the air chambers of the four air springs 901 and 904 under the action of the pressure difference.
Second, the air spring inner circulation is inflated fast
Only the first valve core 601, the fourth valve core 604 and the fifth to eighth valve cores 605 and 608 are opened, the other valve cores are closed, the internal circulation quick inflation channel is opened, the motor is started to drive the air compression pump 2 to work, and after the high-pressure air output by the air storage cylinder 1 is pressurized again, the air chambers of the four air springs 901 and 904 are quickly inflated.
Third, the outer circulation of the air spring is inflated slowly
When the air pressure in the air storage cylinder 1 is lower than the air pressure in the air chambers of the four air springs 901 and 904, only the fourth valve core 604, the ninth valve core 609 and the fifth to eighth valve cores 605 and 608 are opened, the other valve cores are closed, the external circulation inflation channel is opened, the motor is started to drive the air compression pump 2 to work, the air in the external atmosphere is compressed into high-pressure air, and the high-pressure air is dehumidified by the air dryer 3 and then slowly inflated into the air chambers of the four air springs 901 and 904;
air spring slow internal circulation exhaust
Only the second valve core 602, the third valve core 603 and the fifth to eighth valve cores 605 and 608 are opened, the other valve cores are closed, the internal circulation exhaust channel is opened, the motor is started to drive the air compression pump 2 to work, and the air in the four air spring air chambers 901 and 904 is slowly exhausted into the air storage cylinder 1.
Air spring rapid external circulation exhaust
Only the second valve core 602, the ninth valve core 609 and the fifth to eighth valve cores 605 and 608 are opened, the other valve cores are closed, the external circulation exhaust channel is opened, and the gas in the four air spring air chambers 901 and 904 is directly and rapidly discharged to the external atmosphere.
Sixth, the air cylinder makes up air
Only the third valve core 603 and the ninth valve core 609 are opened, other valves are closed, the external circulation air supply channel is opened, the motor is started to drive the air compression pump 2 to work, air in the external atmosphere is compressed into high-pressure gas, and the high-pressure gas is dehumidified by the air dryer 3 and stored in the air storage cylinder 1.
The six adjusting modes are not in sequence, each adjusting mode is independent of the other five adjusting modes, and the circulating mode corresponding to the inflation and deflation is selected according to the actual situation.
According to the invention, the closed regulation of the air suspension system is realized through six regulation modes of slow inflation of air spring internal circulation, fast inflation of air spring internal circulation, slow exhaust of air spring internal circulation, fast exhaust of air spring external circulation and air supply of the air storage cylinder, the trafficability and comfort of a vehicle are improved, and the energy consumption is reduced.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
The above embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.
Claims (6)
1. An air spring air source adjusting device is characterized by comprising a motor, an air compression pump, an air dryer, an air path distribution valve and an integrated driving plate; wherein the content of the first and second substances,
the motor is used for driving the air compression pump to work;
the air compression pump is used for compressing the gas into high-pressure gas;
the air storage cylinder is used for storing high-pressure gas;
the air dryer is used for dehumidifying the high-pressure gas;
the air path distribution valve comprises a valve core, an air path pipeline and an air path joint and is used for realizing the connection among the air storage cylinder, the air compression pump and the air spring;
the integrated drive plate is used for controlling the motor and the valve core;
an external circulation channel is formed among the air compression pump, the valve core and the air spring, and external air is filled into the air spring or the air in the air spring is exhausted into the external atmosphere by controlling the valve core;
an internal circulation channel is formed among the air storage cylinder, the air compression pump, the valve core and the air spring, and the air in the air storage cylinder is slowly or quickly filled into the air spring or discharged into the air storage cylinder through controlling the valve core.
2. The air spring air supply adjustment device of claim 1, wherein the valve spool includes first through ninth valve spools, first through fourth air passage connections, and first through eleventh air passage conduits; the first valve core and the second valve core are arranged on the first gas path pipeline, the third valve core is arranged on the third gas path pipeline, the fourth valve core is arranged on the second gas path pipeline, the fifth valve core to the eighth valve core are respectively and correspondingly arranged on the fifth gas path pipeline to the eighth gas path pipeline, and the ninth valve core is arranged on the eleventh gas path pipeline; one end of a first gas path pipeline is communicated with the gas storage cylinder, one end of a second gas path pipeline is communicated with the air dryer, the other end of the first gas path pipeline and the other end of the second gas path pipeline are respectively communicated with one end of a fourth gas path pipeline, the other end of the fourth gas path pipeline is respectively connected with one end of a fifth gas path pipeline, the other end of a eighth gas path pipeline, the other end of the fifth gas path pipeline, the other end of the eighth gas path pipeline, the fifth gas path pipeline, the fourth gas path pipeline, one end of a third gas path pipeline, the third gas path pipeline and the fourth gas path pipeline are respectively communicated with the air dryer and the air compression pump, one end of a tenth gas path pipeline is communicated with the air compression pump, the other end of the tenth gas path pipeline is connected with the first gas path pipeline, the tenth gas path pipeline, the other end of the tenth gas path pipeline is connected with the air dryer, the fifth gas path pipeline is located between the first valve core and the fourth valve core And one end of the eleventh air channel pipeline is communicated with the tenth air channel pipeline, and the other end of the eleventh air channel pipeline is communicated with the outside atmosphere through an air filter element.
3. The air spring air source regulating device according to claim 2, wherein the integrated drive plate includes a solenoid valve driving chip for controlling said first to ninth solenoid valves, and a motor driving chip for controlling said motor.
4. An air spring air supply adjustment arrangement according to claim 3, wherein pressure sensors are provided on the fourth air path conduit for monitoring the pressure of the four air spring chambers.
5. An integrated air supply assembly for an air spring as claimed in claim 4, wherein the integrated drive plate further includes a pressure sensor acquisition module for acquiring pressure data monitored by the pressure sensor.
6. An adjusting method of an air spring air source is realized by the air spring air source adjusting device of claim 2, and is characterized by comprising the following adjusting modes:
slow inflation of air spring internal circulation:
opening the first valve core, the second valve core and the fifth to eighth valve cores, and filling the high-pressure gas in the gas storage cylinder into the gas chambers of the four air springs under the action of pressure difference;
air spring internal circulation quick inflation:
opening the first valve core, the fourth valve core and the fifth to eighth valve cores, starting a motor to drive an air compression pump to work, and filling the air output by the air storage cylinder into air chambers of four air springs after the air is pressurized again;
the outer circulation of the air spring is slowly inflated:
when the air pressure in the air storage cylinder is lower than the air pressure in the air chambers of the four air springs, the fourth valve core, the ninth valve core and the fifth to eighth valve cores are opened, the motor is started to drive the air compression pump to work, air in the outside atmosphere is compressed into high-pressure air, and the high-pressure air is filled into the air chambers of the four air springs after being dehumidified by the air dryer;
slow internal circulation exhaust of air spring:
opening the second valve core, the third valve core and the fifth to eighth valve cores, starting a motor to drive an air compression pump to work, and discharging the gas in the four air spring air chambers into an air storage cylinder;
air spring rapid external circulation exhaust:
opening the second valve core, the ninth valve core and the fifth to eighth valve cores, and directly discharging the gas in the air chamber of the air spring into the external atmosphere;
air supply of the air storage cylinder:
and opening the third valve core and the ninth valve core, starting a motor to drive an air compression pump to work, compressing air in the external atmosphere into high-pressure gas, dehumidifying the high-pressure gas by an air dryer, and storing the high-pressure gas in an air storage cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210413391.4A CN114701317A (en) | 2022-04-14 | 2022-04-14 | Air source adjusting device and method for air spring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210413391.4A CN114701317A (en) | 2022-04-14 | 2022-04-14 | Air source adjusting device and method for air spring |
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| CN114701317A true CN114701317A (en) | 2022-07-05 |
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| CN202210413391.4A Pending CN114701317A (en) | 2022-04-14 | 2022-04-14 | Air source adjusting device and method for air spring |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115182871A (en) * | 2022-07-15 | 2022-10-14 | 西安交通大学 | Air suspension compressor system and air path structure thereof |
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2022
- 2022-04-14 CN CN202210413391.4A patent/CN114701317A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115182871A (en) * | 2022-07-15 | 2022-10-14 | 西安交通大学 | Air suspension compressor system and air path structure thereof |
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