CN105090315A - Real-time adjusting device for pressure of air spring and auxiliary air chamber - Google Patents
Real-time adjusting device for pressure of air spring and auxiliary air chamber Download PDFInfo
- Publication number
- CN105090315A CN105090315A CN201410226052.0A CN201410226052A CN105090315A CN 105090315 A CN105090315 A CN 105090315A CN 201410226052 A CN201410226052 A CN 201410226052A CN 105090315 A CN105090315 A CN 105090315A
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- air
- solenoid valve
- pressure
- spring
- pneumatic spring
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- 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
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
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- 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
- F16F9/3207—Constructional features
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a real-time adjusting device for pressure of an air spring and an auxiliary air chamber. The real-time adjusting device comprises an air storage tank, the auxiliary air chamber, solenoid valves, the air spring and pressure sensors. The air storage tank is connected with an air inlet of the solenoid valve a and an air inlet of the solenoid valve b in parallel. The auxiliary air chamber is connected with an air outlet of the solenoid valve a, an opening A of the solenoid valve e and an air inlet of the solenoid valve c in parallel. The air spring is connected with an air outlet of the solenoid valve b, an opening B of the solenoid valve e and an air inlet of the solenoid valve d in parallel. An air outlet of the solenoid valve c is connected with the air. An air outlet of the solenoid valve d is connected with the air. The pressure sensor a is arranged at an end opening of the auxiliary air chamber. The pressure sensor b is arranged at an end opening of the air spring. The air storage tank directly carries out air inflation and deflation on the auxiliary air chamber, so that the pressure in the auxiliary air chamber and the pressure in the air spring are equal. When the rigidity of the air spring is adjusted, the influence of changes of the pressure in the auxiliary air chamber is avoided. When the height of the air spring is adjusted, the pressure of the auxiliary air chamber is equal to that of the air spring through air inflation and deflation, and air losses of a system can be reduced.
Description
Technical field
The present invention relates to a kind of auxiliary chamber airsuspension system, especially relate to a kind of air spring additional air chamber pressure real-time regulating apparatus.
Background technique
Along with the development of automotive engineering, people have higher requirement to the smoothness that vehicle travels, and pneumatic spring can utilize the compressibility of gas to realize its elastic reaction, has the function of buffering, vibration damping, obtain manyly to apply widely at Vehicle Industry.
The impact of air spring additional air chamber on air spring rigidity is demonstrated in the Zhu Si flood paper " test of band auxiliary chamber pneumatic spring mechanics special parameter " of Agricultural University Of Nanjing.Being that auxiliary chamber is directly connected with pneumatic spring in the Chinese patent " a kind of air spring system " of the number of patent application 201110193588.3 of the people such as Hu Peipei, changing rigidity by changing auxiliary chamber volume.Pneumatic spring is connected with gas holder, gas holder fills pneumatic spring, venting realizes the object that system vehicle body height regulates, to in pneumatic spring inflation/deflation process, auxiliary chamber needs to reach the pressure state identical with pneumatic spring indirectly by gas holder to its inflation/deflation.
Proposing auxiliary chamber to be in the Chinese patent " a kind of constant internal pressure air-spring additional air chamber of variable volume " of the number of patent application 201010549005.1 of the people such as Jiang Hong is eight chambers, these eight chambers are connected with pneumatic spring main gas tank respectively, pass through stepper motor, realize auxiliary chamber automatically to change fast, the stiffness variation scope that pneumatic spring is larger can be obtained.Automatically regulate in the process of rigidity realizing auxiliary chamber, there will be pressure in auxiliary chamber and pneumatic spring is not be in pressure equivalent state, in this course, first pneumatic spring balances pressure in auxiliary chamber, and then auxiliary chamber could regulate air spring rigidity change.
These documents substantially all relate to the impact that auxiliary chamber regulates air spring rigidity above, but are not all specifically related to how to avoid auxiliary chamber pressure to change the impact that air spring rigidity regulates and vehicle body height regulates.
Summary of the invention
The object of the invention is the deficiency solving above-mentioned background technology, design a kind of can the quick adjustment auxiliary chamber device equal with pressure in pneumatic spring, pressure change in auxiliary chamber can be avoided to regulate air spring rigidity and the impact of vehicle body height adjustment.
The technical solution that the present invention adopts: comprise solenoid valve a, solenoid valve b, solenoid valve c, solenoid valve d, solenoid valve e, pneumatic spring, pressure transducer a, pressure transducer b, gas holder, auxiliary chamber.Described gas holder is connected in parallel the suction port of solenoid valve a, the suction port of solenoid valve b; Auxiliary chamber is connected in parallel the air outlet of solenoid valve a, the A mouth of solenoid valve e, the suction port of solenoid valve c; Pneumatic spring is connected in parallel the air outlet of solenoid valve b, the B mouth of solenoid valve e, the suction port of solenoid valve d; The air outlet of solenoid valve c connects air; The air outlet of solenoid valve d connects air; Pressure transducer a is arranged on auxiliary chamber port, is used for detecting pressure in auxiliary chamber; Pressure transducer b is arranged on pneumatic spring port, is used for detecting pressure in pneumatic spring.
The invention has the beneficial effects as follows:
Independently directly can fill auxiliary chamber, exit, reach pressure in auxiliary chamber and pneumatic spring and be in equivalent state, make pneumatic spring when stiffness tuning, by pressure change in auxiliary chamber, it is not affected, improve the carryover effects because pressure regulating time in auxiliary chamber regulates in real time to air spring rigidity; And when pneumatic spring carries out variable height adjustment, auxiliary chamber can carry out inflation/deflation independently until reach the pressure state identical with pneumatic spring, without the need to reaching identical pressure state indirectly by pneumatic spring is connected with auxiliary chamber, the air-loss of system can be reduced like this.
Accompanying drawing explanation
Fig. 1 is air spring additional air chamber pressure real-time regulating apparatus schematic diagram.
In figure, 1. gas holder; 2. solenoid valve a; 3. auxiliary chamber; 4. pressure transducer a; 5. solenoid valve c; 6. solenoid valve d; 7. pressure transducer b; 8. pneumatic spring; 9. solenoid valve b; 10. solenoid valve e.
Embodiment
Air spring additional air chamber pressure real-time regulating apparatus comprises gas holder 1, solenoid valve a2, auxiliary chamber 3, pressure transducer a4, solenoid valve c5, solenoid valve d6, pressure transducer b7, pneumatic spring 8, solenoid valve b9, solenoid valve e10 as shown in the figure.
Described gas holder 1 is connected in parallel the suction port of solenoid valve a2, the suction port of solenoid valve b9; Auxiliary chamber 3 is connected in parallel the air outlet of solenoid valve a2, the A mouth of solenoid valve e10, the suction port of solenoid valve c5; Pneumatic spring 8 is connected in parallel the air outlet of solenoid valve b9, the B mouth of solenoid valve e10, the suction port of solenoid valve d; The air outlet of solenoid valve c5 connects air; The air outlet of solenoid valve d6 connects air; Pressure transducer a4 is arranged on auxiliary chamber 3 port, is used for detecting pressure in auxiliary chamber 3; Pressure transducer b7 is arranged on pneumatic spring 8 port, is used for detecting pressure in pneumatic spring 8.
Specific works process is as follows:
Solenoid valve a2 realizes the effect that gas holder 1 pair of auxiliary chamber 3 is inflated, and solenoid valve c5 realizes the effect of auxiliary chamber 3 pairs of air venting; Solenoid valve b9 realizes the effect that gas holder 1 pair of pneumatic spring 8 is inflated, and solenoid valve d6 realizes the effect of pneumatic spring 8 pairs of air venting; Solenoid valve e10 realizes the effect of auxiliary chamber 3 pairs of pneumatic spring 8 stiffness tunings.
In the ordinary course of things, auxiliary chamber 3 can be divided into several cavitys to realize regulating pneumatic spring 8 variable rigidity, but emphasis is not that pneumatic spring 8 variable rigidity regulates in this patent, only consider that auxiliary chamber 3 is regulated by solenoid valve e10 Switch Controller pneumatic spring 8 rigidity here.Pressure in pneumatic spring 8 is determined by spring carried mass, and pneumatic spring 8 rigidity is not need to regulate in real time in vehicle travel process.
Pneumatic spring 8 rigidity without the need to regulate process in, namely solenoid valve e10 closes, cause pressure in system to reduce due to device tightness problem in pneumatic spring 8 and auxiliary chamber 3, in pneumatic spring 8, pressure only need be inflated by solenoid valve b9, just can reach initial pressure state.Auxiliary chamber 3 is not connected with pneumatic spring 8 by solenoid valve e10 and reaches initial pressure state, can affect pneumatic spring 8 rigidity in vehicle travel process like this, now auxiliary chamber 3 can connect the gas holder 1 realization initial pressure state identical with pneumatic spring 8 by solenoid valve a2.
Vehicle body height change is by realizing pneumatic spring 8 inflation/deflation, in inflation/deflation process, likely there is the phenomenon such as " overcharging ", " cross and put " in pneumatic spring 8, now auxiliary chamber 3 does not need according to " overcharging " in pneumatic spring 8, " cross and put " self just can carry out inflating or being exitted by solenoid valve c5 independently by solenoid valve a2, reach the initial pressure state identical with pneumatic spring 8, the air-loss of system can be reduced like this.
Claims (2)
1. an air spring additional air chamber pressure real-time regulating apparatus, is characterized in that, comprises solenoid valve a, solenoid valve b, solenoid valve c, solenoid valve d, solenoid valve e, pneumatic spring, pressure transducer a, pressure transducer b, gas holder, auxiliary chamber; Described gas holder is connected in parallel the suction port of solenoid valve a, the suction port of solenoid valve b; Auxiliary chamber is connected in parallel the air outlet of solenoid valve a, the A mouth of solenoid valve e, the suction port of solenoid valve c; Pneumatic spring is connected in parallel the air outlet of solenoid valve b, the B mouth of solenoid valve e, the suction port of solenoid valve d; The air outlet of solenoid valve c connects air; The air outlet of solenoid valve d connects air.
2. according to a kind of air spring additional air chamber pressure real-time regulating apparatus shown in claim 1, it is characterized in that described auxiliary chamber, pneumatic spring place is respectively arranged with pressure transducer a and pressure transducer b, to be used for detecting in auxiliary chamber pressure in pressure and pneumatic spring respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410226052.0A CN105090315B (en) | 2014-05-21 | 2014-05-21 | Real-time adjusting device for pressure of air spring and auxiliary air chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410226052.0A CN105090315B (en) | 2014-05-21 | 2014-05-21 | Real-time adjusting device for pressure of air spring and auxiliary air chamber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105090315A true CN105090315A (en) | 2015-11-25 |
| CN105090315B CN105090315B (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410226052.0A Expired - Fee Related CN105090315B (en) | 2014-05-21 | 2014-05-21 | Real-time adjusting device for pressure of air spring and auxiliary air chamber |
Country Status (1)
| Country | Link |
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| CN (1) | CN105090315B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108167507A (en) * | 2017-12-08 | 2018-06-15 | 北京航天计量测试技术研究所 | A kind of high pressure micro-positioning regulators valve based on air spring |
| CN108953453A (en) * | 2018-07-27 | 2018-12-07 | 山东交通技师学院 | A kind of band auxiliary chamber air spring that pipeline is variable |
| CN109578497A (en) * | 2018-10-18 | 2019-04-05 | 清华大学 | Multi gear quickly compensates air damper |
| CN113670598A (en) * | 2021-09-27 | 2021-11-19 | 柳州机车车辆有限公司 | Differential pressure function tester for air spring system of passenger car and test method thereof |
| CN113883204A (en) * | 2021-10-22 | 2022-01-04 | 山东交通学院 | Piston type air spring damping system with variable rigidity |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0847885A2 (en) * | 1996-12-12 | 1998-06-17 | WABCO GmbH | Pressure fluid suspension for a vehicle |
| WO2008155153A1 (en) * | 2007-06-21 | 2008-12-24 | Continental Aktiengesellschaft | Method for the functional testing of motion sensors |
| CN102107683A (en) * | 2011-01-20 | 2011-06-29 | 南京农业大学 | Vibration damping device for cab |
| CN102278403A (en) * | 2011-07-12 | 2011-12-14 | 胡培培 | Air spring system |
| CN203892437U (en) * | 2014-05-21 | 2014-10-22 | 盐城工业职业技术学院 | Device for realtime adjusting of pressure of auxiliary air chamber of air spring |
-
2014
- 2014-05-21 CN CN201410226052.0A patent/CN105090315B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0847885A2 (en) * | 1996-12-12 | 1998-06-17 | WABCO GmbH | Pressure fluid suspension for a vehicle |
| WO2008155153A1 (en) * | 2007-06-21 | 2008-12-24 | Continental Aktiengesellschaft | Method for the functional testing of motion sensors |
| CN102107683A (en) * | 2011-01-20 | 2011-06-29 | 南京农业大学 | Vibration damping device for cab |
| CN102278403A (en) * | 2011-07-12 | 2011-12-14 | 胡培培 | Air spring system |
| CN203892437U (en) * | 2014-05-21 | 2014-10-22 | 盐城工业职业技术学院 | Device for realtime adjusting of pressure of auxiliary air chamber of air spring |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108167507A (en) * | 2017-12-08 | 2018-06-15 | 北京航天计量测试技术研究所 | A kind of high pressure micro-positioning regulators valve based on air spring |
| CN108167507B (en) * | 2017-12-08 | 2020-02-21 | 北京航天计量测试技术研究所 | High-pressure micro-adjusting valve based on air spring |
| CN108953453A (en) * | 2018-07-27 | 2018-12-07 | 山东交通技师学院 | A kind of band auxiliary chamber air spring that pipeline is variable |
| CN108953453B (en) * | 2018-07-27 | 2023-10-31 | 山东交通技师学院 | Pipeline-variable air spring with additional air chamber |
| CN109578497A (en) * | 2018-10-18 | 2019-04-05 | 清华大学 | Multi gear quickly compensates air damper |
| CN113670598A (en) * | 2021-09-27 | 2021-11-19 | 柳州机车车辆有限公司 | Differential pressure function tester for air spring system of passenger car and test method thereof |
| CN113670598B (en) * | 2021-09-27 | 2024-04-12 | 柳州机车车辆有限公司 | Differential pressure function tester for air spring system of passenger car and test method thereof |
| CN113883204A (en) * | 2021-10-22 | 2022-01-04 | 山东交通学院 | Piston type air spring damping system with variable rigidity |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105090315B (en) | 2017-02-22 |
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Addressee: Chen Anzhu Document name: Notification that Application Deemed not to be Proposed |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 Termination date: 20170521 |
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| CF01 | Termination of patent right due to non-payment of annual fee |