CN114704767A - Air spring integrated air source device - Google Patents

Air spring integrated air source device Download PDF

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Publication number
CN114704767A
CN114704767A CN202210390346.1A CN202210390346A CN114704767A CN 114704767 A CN114704767 A CN 114704767A CN 202210390346 A CN202210390346 A CN 202210390346A CN 114704767 A CN114704767 A CN 114704767A
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CN
China
Prior art keywords
air
core
valve
gas
valve core
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Granted
Application number
CN202210390346.1A
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Chinese (zh)
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CN114704767B (en
Inventor
王冕
仇韬
陈星宇
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Zhejiang Kong Hui Automobile Technology Co ltd
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Zhejiang Kong Hui Automobile Technology Co ltd
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Priority to CN202210390346.1A priority Critical patent/CN114704767B/en
Publication of CN114704767A publication Critical patent/CN114704767A/en
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Publication of CN114704767B publication Critical patent/CN114704767B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
    • F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/43—Filling or drainage arrangements, e.g. for supply of gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/002—Details of vessels or of the filling or discharging of vessels for vessels under pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
    • F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
    • F17C13/026—Special adaptations of indicating, measuring, or monitoring equipment having the temperature as the parameter
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/04—Arrangement or mounting of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D1/00—Pipe-line systems
    • F17D1/02—Pipe-line systems for gases or vapours
    • F17D1/065—Arrangements for producing propulsion of gases or vapours
    • F17D1/07—Arrangements for producing propulsion of gases or vapours by compression
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17D—PIPE-LINE SYSTEMS; PIPE-LINES
    • F17D3/00—Arrangements for supervising or controlling working operations
    • F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/01—Propulsion of the fluid
    • F17C2227/0128—Propulsion of the fluid with pumps or compressors
    • F17C2227/0157—Compressors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/043—Pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/0439—Temperature
    • 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)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

The invention provides an air spring integrated air source device, which comprises an air source shell, an air pump assembly, a distribution valve and a controller, wherein the air pump assembly is used for compressing air into high-pressure air; the distribution valve is fixedly connected with the air pump assembly, the air pump assembly is fixedly connected with the air source shell, the controller is jointly fixed with the air source shell and the distribution valve, and the air source shell and the air pump assembly enclose a sealed air storage tank for storing high-pressure air. The integrated circuit is high in integral integration degree, good in performance matching degree, simple in structure, light in weight and excellent in NVH performance; the distribution valve gas circuit can take the respective advantages of the internal circulation mode and the external circulation mode into consideration, and can be switched according to the requirement, so that the energy consumption is reduced; the shorter path of the gas circuit can improve the response speed, and the air pump and the distribution valve are arranged in the gas storage cylinder, so that the vibration and the noise can be eliminated; use the gas receiver as air pump shell, increase heat radiating area, promote air pump work efficiency and single and last during operation.

Description

Air spring integrated air source device
Technical Field
The invention relates to the technical field of air springs, in particular to an integrated air source device of an air spring.
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 is generally composed of an air compressor, a valve and a controller, wherein the air compressor, the valve and the controller are all independent unit devices and are installed in a separated or relatively close arrangement mode, so that the system quality and the structural space are large; the air circulation mode of the open system is external circulation, the air pump compresses the external atmosphere to inflate the air spring, and the air spring exhausts air and directly discharges the air 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 adjusting method which can realize an external circulation gas circulation mode and an internal circulation gas circulation mode and can freely select quick inflation and deflation or slow inflation and deflation.
In order to achieve the purpose, the invention adopts the following specific technical scheme:
the invention provides an air spring integrated air source device, which comprises an air source shell, an air pump assembly, a distribution valve and a controller, wherein the air pump assembly is used for compressing air into high-pressure air; the distribution valve is fixedly connected with the air pump assembly, the air pump assembly is fixedly connected with the air source shell, the controller is jointly fixed with the air source shell and the distribution valve, and the air source shell and the air pump assembly enclose a sealed air storage tank for storing high-pressure air.
Preferably, the air pump assembly comprises a dryer core, a compressor core and a motor rotor core, wherein the motor rotor core is used for driving the compressor core to rotate, the compressor core is used for compressing air to form high-pressure air, and the dryer core is used for drying and filtering the compressed high-pressure air.
Preferably, the distribution valve comprises a valve plate fixedly connected with the air pump assembly shell and the controller respectively, the valve plate is provided with first to ninth valve cores and first to fourth air path joints, and the valve plate is internally provided with first to tenth air path pipelines; 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 tenth gas path pipeline; one end of a first gas path pipeline is communicated with a gas storage tank, one end of a second gas path pipeline is communicated with a dryer core, 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 to eighth gas path pipeline, the other end of the fifth to eighth gas path pipeline is respectively communicated with four air spring pipelines through a first to fourth gas path joint, one end of a third gas path pipeline is communicated with a position on the first gas path pipeline between the gas storage tank and a first valve core, the other end of the third gas path pipeline is communicated with a position on the second gas path pipeline between the dryer core and a fourth valve core, one end of a ninth gas path pipeline is communicated with the compressor core, the other end of the ninth gas path pipeline is connected with a position on the first gas path pipeline between the first valve core and the second valve core, one end of the tenth air passage pipeline is communicated with the ninth air passage pipeline, and the other end of the tenth air passage pipeline is communicated with the outside atmosphere through an air filter element.
Preferably, when the first valve core, the second valve core and the fifth to eighth valve cores are opened, the internal circulation slow inflation channel is opened, high-pressure gas in the gas storage tank is inflated into the gas chambers of the four air springs under the action of pressure difference, when the first valve core, the fourth valve core and the fifth to eighth valve cores are opened, the internal circulation fast inflation channel is opened, the motor rotor machine core is started to drive the compressor machine core to work, and after the gas output by the gas storage tank is pressurized again, the gas is inflated into the gas chambers of the four air springs; when the fourth valve core, the ninth valve core and the fifth to eighth valve cores are opened, the external circulation inflation channel is opened, the motor rotor core is started to drive the compressor core to work, air in the outside atmosphere is compressed into high-pressure air, and the high-pressure air is filled into air chambers of the four air springs after being dehumidified by the dryer core; when the second valve core, the third valve core and the fifth to eighth valve cores are opened, the internal circulation exhaust channel is opened, the motor rotor core is started to drive the compressor core to work, and the gas in the four air spring air chambers is exhausted into the gas storage tank; when the second valve core, the ninth valve core and the fifth to eighth valve cores are opened, the external circulation exhaust channel is opened, and the gas in the four air spring air chambers is directly discharged to the external atmosphere; when the third valve core and the ninth valve core are opened, the external circulation air supplementing channel is opened, the motor rotor core is started to drive the compressor core to work, air in the external atmosphere is compressed into high-pressure air, and the high-pressure air is stored in the air storage tank after being dehumidified by the dryer core.
Preferably, the controller comprises a valve core driving chip and a motor rotor movement driving chip, the valve core driving chip is used for controlling the opening and closing of the valve core, and the motor rotor movement driving chip is used for controlling the opening and closing of the motor rotor movement.
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 controller further comprises a pressure sensor acquisition module for acquiring pressure data monitored by the pressure sensor.
Preferably, a temperature sensor for monitoring the temperature of the compressor core is arranged within the compressor core.
Preferably, the controller further comprises a temperature sensor acquisition module for acquiring temperature data monitored by the temperature sensor.
The invention can obtain the following technical effects:
the air source shell, an air pump assembly for compressing air into high-pressure air, a distribution valve for controlling the air spring to inflate and deflate, and a controller for controlling the air pump assembly and the distribution valve; the distribution valve is fixedly connected with the air pump assembly, the air pump assembly is fixedly connected with the air source shell, the controller is jointly fixed with the air source shell and the distribution valve, and the air source shell and the air pump assembly enclose a sealed air storage tank for storing high-pressure air
(1) The air spring integrated air source device provided by the invention integrates the air pump, the air storage tank, the distribution valve and the controller into one assembly, and has the advantages of high integral degree, good performance matching degree, simple structure and excellent NVH (noise, vibration and harshness) performance.
(2) The distribution valve of the air spring integrated air source device provided by the invention can take the respective advantages of the internal circulation mode and the external circulation mode into consideration, and can be switched according to the requirements, so that the energy consumption is reduced.
(3) The integrated air source device of the air spring provided by the invention can reduce the volume of a redundant air storage tank, and in addition, the path of an air path is shorter, so that the response speed can be improved.
(4) According to the air spring integrated air source device provided by the invention, the air pump assembly and the distribution valve are arranged in the air storage tank, so that the vibration and noise can be eliminated.
(5) According to the air spring integrated air source device provided by the invention, the controller is arranged in the air source shell, so that the controller can be protected, the protection grade of IP6K9K can be realized, the weight of the original controller shell is saved, and the light weight of the air source device can be realized.
(6) The air spring integrated air source device provided by the invention takes the air storage tank as the air pump shell, so that the heat dissipation area can be increased, and the working efficiency and the single continuous working time of the air pump are improved.
(7) The internal circulation channel is opened through controlling each valve core, the flow of gas between the air spring and the gas storage tank is realized in the air spring inflation and deflation process, and the external circulation channel is opened through controlling each valve core, the flow of gas between the air spring and the external atmosphere is realized in the air spring inflation and deflation and gas storage tank inflation processes.
Drawings
Fig. 1 is a schematic diagram illustrating an overall structure of an integrated air supply device for an air spring according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating a partial structure of the interior of an integrated air supply device for an air spring according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating an air path principle of an integrated air supply device for an air spring according to an embodiment of the present invention.
Wherein the reference numerals include: the air source device comprises an air source shell 1, an air pump assembly 2, a compressor core 201, a dryer core 202, a motor rotor core 203, a distribution valve 3, a controller 4, an air storage tank 5, a valve core 6, first to ninth valve cores 601 and 609, first to tenth air passage pipelines 701 and 710, an air passage joint 8, first to fourth air passage joints 801 and 804, air springs 901 and 904, an air filter 10 and a pressure sensor 11.
Detailed Description
Hereinafter, embodiments of the present invention will be described with reference to the accompanying 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 below 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.
Fig. 1 and 2 respectively show an overall structure and an internal partial structure of an air spring integrated air supply device provided according to an embodiment of the present invention.
As shown in fig. 1 and fig. 2, an air spring integrated air source device provided in an embodiment of the present invention includes an air source housing 1, an air pump assembly 2 for compressing air into high-pressure air and dehumidifying the air, a distribution valve 3 for controlling air charging and discharging inside an air spring, and a controller 4 for controlling the air pump assembly 2 and the distribution valve 3; the distribution valve 3 is fixedly connected with the air pump assembly 2, the air pump assembly 2 is fixedly connected with the air source shell 1, the controller 4 is jointly fixed with the air source shell 1 and the distribution valve 3, and the air source shell 1 and the air pump assembly 2 enclose a sealed air storage tank 5 for storing high-pressure air.
The air pump assembly 2 comprises a compressor core 201, a dryer core 202 and a motor rotor core 203, the motor rotor core 203 is used for driving the compressor core to rotate, the compressor core is used for compressing air to form high-pressure air, and the dryer core is used for drying and filtering the compressed high-pressure air.
The distribution valve 3 comprises a valve plate 301, a valve core 6 and an air path joint 8 are installed on the valve plate 301, an air path pipeline is arranged in the valve plate 301, air inflation and deflation of the air spring in an inner circulation mode and an outer circulation mode are realized through combination of the valve core and the air path pipeline, and an air path for inflating the air storage tank 5 is also realized. When the air spring is switched to the internal circulation mode, gas flows between the air spring and the gas storage tank in the air charging and discharging process of the air spring; when switching to the external circulation mode, gas flows between the air springs and the outside atmosphere during the process of air spring inflation and deflation and the air reservoir inflation. Therefore, the distribution valve 3 can take the respective advantages of the internal circulation mode and the external circulation mode into consideration, and can be switched according to the requirements, so that the energy consumption is reduced.
The controller 4 comprises a valve core driving chip and a motor rotor core driving chip, wherein the valve core driving chip is used for controlling the opening and closing of the valve core, and the motor rotor core driving chip is used for controlling the opening and closing of the motor rotor core 203.
Fig. 3 illustrates an air path principle of an air spring integrated air supply device according to an embodiment of the present invention.
As shown in FIG. 3, the number of the valve cores 6 is nine, which are respectively the first to ninth valve cores 601-609, the number of the air passage pipes is 10, which are respectively the first to tenth air passage pipes 701-710, and the number of the air passage joints 8 is 4, which are respectively the first to fourth air passage joints 801-804.
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 tenth air passage pipeline 710; one end of a first air path pipeline 701 is communicated with the air storage tank 1, one end of a second air path pipeline 702 is communicated with the dryer core 202, 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 705-708, the other ends of the fifth to eighth air path pipelines 705-708 are respectively communicated with the pipelines of four air springs 901-904 through a first to fourth air path joint 801-804, one end of a third air path pipeline 703 is communicated with the position between the air storage tank 1 and the first valve core 601 on the first air path pipeline 701, the other end of the third air path pipeline 703 is communicated with the position between the dryer core 202 and the fourth valve core 604 on the second air path pipeline 702, one end of a ninth air path pipeline 709 is communicated with the compressor core 201, the other end of the ninth air passage pipeline 709 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 tenth air passage pipeline 710 is communicated with the ninth air passage pipeline 709, and the other end of the tenth air passage pipeline 710 is communicated with the outside atmosphere through the air filter element 10.
In a preferred embodiment of the present invention, the air spring integrated air supply device further includes a pressure sensor 11, and the pressure sensor 11 is disposed on the fourth air path pipe 704 and is used for monitoring the pressure of the air chambers of the four air springs 901 and 904. The controller 4 further comprises a pressure sensor collecting module for collecting pressure data monitored by the pressure sensor 11. 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 11 by reading the voltage signal in the normal range of the pressure sensor 11, and judges the fault.
In another preferred embodiment of the present invention, the air spring integrated air supply device further includes a temperature sensor disposed in the compressor core for monitoring a temperature of the compressor core. The controller 4 further comprises a temperature sensor collecting module for collecting temperature data monitored by the temperature sensor.
In one embodiment of the present invention, the first to ninth spools 601-609 are all electrically operated on-off valves.
The air path principle of the air spring integrated air source device is as follows:
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 storage tank 1 is slowly inflated into the gas 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 compressor core 201 to work, and after the high-pressure gas output by the gas storage tank 1 is pressurized again, the high-pressure gas is quickly inflated into the gas chambers of the four air springs 901 and 904.
Third, the outer circulation of the air spring is inflated slowly
When the air pressure in the air storage tank 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, other valve cores are closed, the external circulation inflation channel is opened, the motor is started to drive the compressor core 201 to work, the air in the external atmosphere is compressed into high-pressure air, and the high-pressure air is dehumidified by the dryer core 202 and then slowly filled 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 compressor core 201 to work, and the gas in the four air spring air chambers 901 and 904 is slowly exhausted into the gas storage tank 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 air spring air chambers 901 and 904 is directly and rapidly discharged to the external atmosphere.
Sixth, the air storage tank replenishes 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 starting motor drives the compressor core 201 to work, air in the external atmosphere is compressed into high-pressure gas, and the high-pressure gas is stored in the air storage tank 1 after being dehumidified by the dryer core 202.
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.
The closed regulation of the air suspension system is realized through six regulation modes of slow air inflation of air spring internal circulation, fast air inflation of air spring internal circulation, slow air exhaust of air spring internal circulation, fast air exhaust of air spring external circulation and air supply of an air storage tank, the trafficability and the comfort of a vehicle are improved, and the energy consumption is reduced.
The air pump, the air storage tank, the distribution valve and the controller are integrated into a whole, so that the air pump, the air storage tank, the distribution valve and the controller have the advantages of compact structure, easiness in arrangement and high integration level, and light weight is facilitated; in addition, the air pump and the distribution valve are arranged inside the air source shell 1, so that vibration and noise can be eliminated; the controller 4 is arranged in the air source shell 1, so that the controller 4 can be protected, the protection grade of IP6K9K can be realized, the original weight of the shell of the controller 4 is saved, and the light weight is realized; the air source shell 1 and the air pump assembly 2 enclose an air storage tank 5, and the volume of the redundant air storage tank can be reduced; in addition, the shorter path of the air path can improve the response speed.
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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
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 (9)

1. An air spring integrated air source device is characterized by comprising an air source shell, an air pump assembly for compressing air into high-pressure air, a distribution valve for controlling air inflation and deflation of an air spring, and a controller for controlling the air pump assembly and the distribution valve; the distribution valve is fixedly connected with the air pump assembly, the air pump assembly is fixedly connected with the air source shell, the controller is jointly fixed with the air source shell and the distribution valve, and the air source shell and the air pump assembly enclose a sealed air storage tank for storing high-pressure air.
2. An integrated air source device as claimed in claim 1, wherein the air pump assembly includes a dryer core, a compressor core and a motor rotor core, the motor rotor core is used for driving the compressor core to rotate, the compressor core is used for compressing air to form high-pressure air, and the dryer core is used for drying and filtering the compressed high-pressure air.
3. An integrated air supply device as claimed in claim 2, wherein the distribution valve includes a valve plate fixedly connected to the air pump assembly housing and the controller, respectively, the valve plate being provided with first to ninth valve spools and first to fourth air passage connectors, the valve plate being provided with first to tenth air passage conduits therein; 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 tenth gas path pipeline; one end of a first gas path pipeline is communicated with a gas storage tank, one end of a second gas path pipeline is communicated with a dryer core, 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 to eighth gas path pipeline, the other end of the fifth to eighth gas path pipeline is respectively communicated with four air spring pipelines through a first to fourth gas path joint, one end of a third gas path pipeline is communicated with a position on the first gas path pipeline between the gas storage tank and a first valve core, the other end of the third gas path pipeline is communicated with a position on the second gas path pipeline between the dryer core and a fourth valve core, one end of a ninth gas path pipeline is communicated with the compressor core, the other end of the ninth gas path pipeline is connected with a position on the first gas path pipeline between the first valve core and the second valve core, one end of the tenth air passage pipeline is communicated with the ninth air passage pipeline, and the other end of the tenth air passage pipeline is communicated with the outside atmosphere through an air filter element.
4. An integrated air spring air supply assembly as claimed in claim 3,
when the first valve core, the second valve core and the fifth to eighth valve cores are opened, the internal circulation slow inflation channel is opened, and high-pressure gas in the gas storage tank is inflated into the gas chambers of the four air springs under the action of pressure difference
When the first valve core, the fourth valve core and the fifth to eighth valve cores are opened, the internal circulation quick inflation channel is opened, the motor rotor machine core is started to drive the compressor machine core to work, and after the gas output by the gas storage tank is pressurized again, the gas is inflated into the gas chambers of the four air springs;
when the fourth valve core, the ninth valve core and the fifth to eighth valve cores are opened, the external circulation inflation channel is opened, the motor rotor core is started to drive the compressor core to work, air in the outside atmosphere is compressed into high-pressure air, and the high-pressure air is filled into air chambers of the four air springs after being dehumidified by the dryer core;
when the second valve core, the third valve core and the fifth to eighth valve cores are opened, the internal circulation exhaust channel is opened, the motor rotor core is started to drive the compressor core to work, and the gas in the four air spring air chambers is exhausted into the air storage tank;
when the second valve core, the ninth valve core and the fifth to eighth valve cores are opened, the external circulation exhaust channel is opened, and the gas in the four air spring air chambers is directly discharged to the external atmosphere;
when the third valve core and the ninth valve core are opened, the external circulation air supplementing channel is opened, the motor rotor core is started to drive the compressor core to work, air in the external atmosphere is compressed into high-pressure air, and the high-pressure air is stored in the air storage tank after being dehumidified by the dryer core.
5. The integrated air spring assembly as defined in claim 3, wherein the controller includes a valve core driving chip and a motor rotor core driving chip, the valve core driving chip is used for controlling the valve core to open and close, and the motor rotor core driving chip is used for controlling the motor rotor core to open and close.
6. An integrated air spring air supply assembly as claimed in claim 5, wherein a pressure sensor is disposed on the fourth air line for monitoring the pressure of the four air spring chambers.
7. The integrated air supply assembly for an air spring as claimed in claim 6, wherein the controller further comprises a pressure sensor collecting module for collecting pressure data monitored by the pressure sensor.
8. An air spring integrated air supply assembly as claimed in claim 6, wherein a temperature sensor is disposed within the compressor core for monitoring the temperature of the compressor core.
9. An integrated air supply assembly as described in claim 8, wherein the controller further comprises a temperature sensor acquisition module for acquiring temperature data monitored by the temperature sensor.
CN202210390346.1A 2022-04-14 2022-04-14 Air spring integrated air source device Active CN114704767B (en)

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