CN103241097B - High-low pressure chamber closed loop gas circuit airsuspension system self-supercharging device - Google Patents
High-low pressure chamber closed loop gas circuit airsuspension system self-supercharging device Download PDFInfo
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- CN103241097B CN103241097B CN201310193981.1A CN201310193981A CN103241097B CN 103241097 B CN103241097 B CN 103241097B CN 201310193981 A CN201310193981 A CN 201310193981A CN 103241097 B CN103241097 B CN 103241097B
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Abstract
The invention discloses high-low pressure chamber closed loop gas circuit airsuspension system self-supercharging device, relate to the closed loop gas circuit airsuspension system of a kind of band from booster body, comprise electromagnetic valve a, check valve a, check valve b, piston, piston rod, check valve c, check valve d, air pump, two-position three way magnetic valve, high pressure chest and low pressure chamber.Low pressure chamber inner structure is a columnar cavity, and low pressure chamber both ends of the surface respectively drive air extractor duct into and middle arranges a piston in cavity, and low pressure chamber is divided into two lower work cavitys by piston.The gas that air bellow receives as required from high pressure chest realizes inflation, when needing venting, then exitted to low pressure chamber by check valve, low pressure chamber is in the extrinsic motivation up-down vibration stroke of suspension, is filled with high pressure chest after the gas boosting that air bellow is released, forms closed loop gas circuit, the gas that air bellow is discharged can effectively reclaim by the present invention, and recycle, reach the energy-conservation object of airsuspension system.
Description
Technical field
The present invention relates to a kind of closed loop gas circuit airsuspension system, especially relate to the closed loop gas circuit airsuspension system of a kind of band from booster body.
Background technology
Along with the raising day by day of people's living standard, require that automobile will have better riding comfort, travelling comfort and operational stability on the one hand, on the other hand, because natural resources is increasingly deficient, the development in auto trade future also must consider energy factor, to greatest extent the energy-conservation target that must become car production from now on and pursue.
Different according to the cycle mode of air bellow compressed air, airsuspension system can be divided into open loop air-channel system and closed loop air-channel system.Open loop air-channel system refers to and is pumped in high pressure chest storage tank after compression by the air in environment, inflated to air bellow by high pressure chest storage tank, when pressure needed for air bellow reduces, unnecessary high pressure gas are directly discharged in air via blow off valve, the portion of energy of system is taken away by this part high pressure gas, causes the loss of energy.In order to economize energy, original architecture basics increases a low pressure chamber storage tank, be used for the high pressure gas that stored air spring rows releases, when systems axiol-ogy is not enough to high pressure chest reservoir pressure, at this moment air pump is started, be pumped into by gas in low pressure chamber storage tank in high pressure chest storage tank, this structure is closed loop gas circuit airsuspension system.
At present, the main research of Chinese scholars concentrates on open loop airsuspension system.Along with the worsening shortages of international energy, vehicle energy saving has become the important topic that everybody pays close attention to, and minority scholar proposes this closed loop air-channel system in the world.Such as, the patent No. of the scholars such as Japan Shuuici Buma be the US Patent " ELECTRONIC CONTROLLED AIR SUSPENSION SYSTEM " of US4826141 to the effect that propose a high and low pressure chamber closed loop gas circuit airsuspension system structure, and realizing charging-discharging function by electron steering, the gas another one storage tank of being discharged by air bellow is collected to reach energy-conservation object.The patent No. of German scholar Christof Behmenburg etc. is that the US Patent " CLOSED LEVEL CONTROL SYSTEM FOR A VEHICLE " of US6685174B2 proposes the theory that high and low pressure chamber shares a cavity.By starting two functions that air pump realizes inflating air bellow from storage tank, exitting to storage tank from air bellow, it is that the gas that air bellow is discharged is discharged into storage tank again, reaches energy-conservation object.The high and low pressure chamber that the program proposes shares the closed loop gas circuit airsuspension system of a cavity, needs frequent starting air pump to realize inflation/deflation.Scheme above-mentioned all needs frequent starting air pump, will inevitably consume certain electric energy, causes the waste of energy.
Summary of the invention
The object of the invention is the deficiency solving above-mentioned background technology, design one does not need frequent starting air pump, and the gas utilizing the vibration of suspension to be released by air bellow is filled with high pressure chest through a set of from booster body, thus forms the airsuspension system of closed loop gas circuit.
The technical solution that the present invention adopts: comprise electromagnetic valve a, check valve b, check valve a, piston, piston rod, check valve c, check valve d, air pump, two-position three way magnetic valve, high pressure chest and low pressure chamber; Described low pressure chamber is cylindrical shape, is provided with piston in low pressure chamber, and the center of piston connects one end of piston rod, and the other end of piston rod connects external excitation suspension through low pressure chamber upper surface and connects; Low pressure chamber is divided into work epicoele and work cavity of resorption by piston, and described work epicoele is provided with admission port a and air extractor duct c, and described work cavity of resorption is provided with admission port b and air extractor duct d; Described air extractor duct c and air extractor duct d is parallel-connected to one end of high pressure chest respectively by check valve c and check valve d; The other end of high pressure chest is connected with the outlet side of air pump and one end of air bellow respectively by two-position three way magnetic valve, and the inlet end of air pump is communicated with air; The air bellow other end is connected in parallel inlet end and the check valve a inlet end of check valve b by electromagnetic valve a, and check valve b outlet side is connected admission port b and admission port a respectively with check valve a outlet side.
Described high pressure chest also can be connected with the outlet side of air pump and one end of air bellow with electromagnetic valve c by electromagnetic valve b respectively.The inlet end of described air pump arranges electromagnetic valve d.
Described air bellow is connected with the admission port of low pressure chamber two lower work cavitys respectively by electromagnetic valve, check valve, realizes the function of venting.The air extractor duct of upper and lower two working cavities of low pressure chamber is connected in parallel one end of high pressure chest respectively by check valve; The other end of high pressure chest is connected with air pump, air bellow respectively by multifunctional electromagnetic valves, and high pressure chest is connected with air pump and realizes air pump to the object of high pressure chest make-up gas from air, and high pressure chest is connected the object realizing inflating with air bellow.
Extrinsic motivation is suspension up-down vibration, and by the energy transferring of suspension up-down vibration to piston rod, piston rod promotes piston and pumps.Certain moment, due to piston move from balance position to a direction time, the pressure of one of them working cavity of low pressure chamber can become large along with diminishing of volume, the pressure in high pressure chest is greater than when the pressure of working cavity, at this moment open check valve, realize gas boost in low pressure chamber to the object in high pressure chest.
The invention has the beneficial effects as follows:
1, low pressure chamber is divided into about two equipressure working cavities by piston, due to lower work cavity equipressure, decreases lower work cavity to piston damping effect, namely reduces further the performance impact of suspension.
2, low pressure chamber is divided into two lower work cavitys by piston, and when wherein any one working cavity is increased by compressed pressure, another one working cavity pressure must reduce, and this can reach the object of rapidly venting for air bellow, does not affect the performance of venting.
3, piston is in the dynamical equilibrium position of low pressure chamber, two working cavities in low pressure chamber alternately by respective gas compression in high pressure chest, such compression efficiency also improves.
4, structure is simple, and mechanism easily realizes.Low pressure chamber is divided into two lower work cavitys by piston, be power by the Conversion of Energy of suspension up-down vibration, by the gas boost in low pressure chamber in high pressure chest, instead of orthodox method---air pump supercharging, avoid employing electric energy, also just avoid employing natural resources.
5, the main parts size ratio in this device is easier to processing, and the cost of other boosting methods is also lower relatively, is conducive to promoting the use of.
6, suspension vibration energy is converted into high-pressure gas pressure energy by mechanism of the present invention, and high-pressure gas pressure can be directly used in air bellow inflation, this avoid the degradation of energy increasing middle device.
Accompanying drawing explanation
Fig. 1 is high-low pressure chamber closed loop gas circuit airsuspension system pressurizer schematic diagram.
Fig. 2 is high-low pressure chamber another specific implementation schematic diagram of closed loop gas circuit airsuspension system pressurizer.
In figure, 1. air bellow; 2. electromagnetic valve a; 3. check valve b; 4. check valve a; 5. piston; 6. piston rod; 7. check valve c; 8. check valve d; 9. air pump; 10. two-position three way magnetic valve; 11. high pressure chests; 12. low pressure chamber; 13. work epicoeles; 14. work cavity of resorptions; 15. electromagnetic valve b; 16. electromagnetic valve c; 17. electromagnetic valve d.
Detailed description of the invention
High-low pressure chamber closed loop gas circuit airsuspension system pressurizer comprises a columnar low pressure chamber 12 as shown in the figure, and low pressure chamber 12 is built with piston 5 and piston rod 6, and piston 5 is fixedly connected with piston rod 6 one end, and piston rod 6 other end is connected with extrinsic motivation suspension; Low pressure chamber 12 is divided into work epicoele 13 and work cavity of resorption 14 by piston 5; Work epicoele 13 air extractor duct c and work cavity of resorption 14 air extractor duct d is parallel-connected to one end of high pressure chest 11 respectively by check valve c7 and check valve d8; High pressure chest 11 other end is connected to air pump 9 and air bellow 1 by two-position three way magnetic valve 10; Air pump 9 other end is communicated with air, maintains in high pressure chest 11 contain certain pressure with replenishment system gas leakage; Air bellow 1 other end is connected in parallel check valve b3 one end, check valve a4 one end by electromagnetic valve a2, and the check valve b3 other end and the check valve a4 other end are connected to the admission port b of work cavity of resorption 14 and the admission port a of work epicoele 13.
Specific works process: initial period, starts air pump 9, stores certain pressure to high pressure chest 11 by two-position three way magnetic valve 10, when reaching certain use pressure, turns off air pump 9.
Aeration phase, is energized to two-position three way magnetic valve 10, and at this moment high pressure chest inflates to air bellow 1 by two-position three way magnetic valve 10, realizes the function of inflation.
Releasing phase, is energized to electromagnetic valve a2, and air bellow 1, by electromagnetic valve a2, through the cavity that the preferential inflow work cavity of resorption 14 of check valve b3 and check valve a 4 is less with work epicoele 13 internal pressure, realizes the function of venting.
Boost phase, when piston rod 6 bears external excitation, piston 5 is in low pressure chamber 12 dynamic balance state; Because work epicoele 13 is equal with work cavity of resorption 14 pressure, then the shock damping action of epicoele 13 and the work cavity of resorption 14 pairs of pistons 5 that work is smaller, negligible, does not affect suspension property; When air bellow 1 exit to work cavity of resorption 14 to reach certain pressure repeatedly, at this moment piston 5 bears external excitation when will move downward from balance position, and cavity of resorption 14 volume that works can diminish rapidly, and pressure will become large instantaneously; Be greater than the pressure in high pressure chest 11 when the pressure in work cavity of resorption 14, at this moment push check valve d8 open, the gas in work cavity of resorption 14 will flow in high pressure chest 11, realize the object of boosting; If at this moment air bellow will be exitted, because piston moves downward, epicoele 13 volume that so works becomes large and causes pressure to diminish, and this can realize the object of exitting rapidly for air bellow.Because piston 5 is in dynamical equilibrium position, piston 5 has compressed downwards, can rapid upward movement, and its principle of work, with to move downward situation the same, no longer describes at this.
Claims (4)
1. high-low pressure chamber closed loop gas circuit airsuspension system self-supercharging device, it is characterized in that, comprise electromagnetic valve a(2), check valve b(3), check valve a(4), piston (5), piston rod (6), check valve c(7), check valve d(8), air pump (9), high pressure chest (11) and low pressure chamber (12); Described low pressure chamber (12) is cylindrical shape, is provided with piston (5) in low pressure chamber (12), and the center of piston (5) connects one end of piston rod (6), and the other end of piston rod (6) connects external excitation suspension through low pressure chamber (12) upper surface and connects; Low pressure chamber (12) is divided into work epicoele (13) and work cavity of resorption (14) by piston (5), and described work epicoele (13) is provided with admission port a and air extractor duct c, and described work cavity of resorption (14) is provided with admission port b and air extractor duct d; Described air extractor duct c and air extractor duct d is respectively by check valve c(7) and check valve d(8) be parallel-connected to one end of high pressure chest (11); The other end of high pressure chest (11) is connected with the outlet side of air pump (9) and one end of air bellow (1) respectively by electromagnetic valve, and the inlet end of air pump (9) is communicated with air; Air bellow (1) other end is by electromagnetic valve a(2) be connected in parallel check valve b(3) inlet end and check valve a (4) inlet end, check valve b(3) outlet side and check valve a(4) outlet side is connected admission port b and admission port a respectively.
2. high-low pressure chamber according to claim 1 closed loop gas circuit airsuspension system self-supercharging device, it is characterized in that, the other end of high pressure chest (11) is connected with the outlet side of air pump (9) and one end of air bellow (1) respectively by two-position three way magnetic valve (10).
3. high-low pressure chamber according to claim 1 closed loop gas circuit airsuspension system self-supercharging device, it is characterized in that, one end of high pressure chest (11) is by electromagnetic valve b(15) with electromagnetic valve c(16) be connected with the outlet side of air pump (9) and one end of air bellow (1) respectively.
4. the high-low pressure chamber closed loop gas circuit airsuspension system self-supercharging device according to Claims 2 or 3, it is characterized in that, the inlet end of described air pump (9) arranges electromagnetic valve d(17).
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| CN201310193981.1A CN103241097B (en) | 2013-05-23 | 2013-05-23 | High-low pressure chamber closed loop gas circuit airsuspension system self-supercharging device |
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| CN201310193981.1A CN103241097B (en) | 2013-05-23 | 2013-05-23 | High-low pressure chamber closed loop gas circuit airsuspension system self-supercharging device |
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| CN103241097B true CN103241097B (en) | 2015-09-02 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105501021B (en) * | 2015-12-18 | 2017-12-26 | 江苏科技大学 | A kind of highly regulated device of automobile chassis and its control method |
| CN107444054A (en) * | 2017-06-30 | 2017-12-08 | 江苏大学 | Auxiliary aerating device applied to air suspension |
| CN110195759A (en) * | 2019-07-11 | 2019-09-03 | 海南大学 | A kind of air spring automatic inflatable device of air |
| CN110411725A (en) * | 2019-07-30 | 2019-11-05 | 中车长春轨道客车股份有限公司 | A kind of air spring environmental test automatic inflating pressurizing device |
| CN114953881A (en) * | 2022-05-31 | 2022-08-30 | 小米汽车科技有限公司 | Vehicle control method, device, vehicle, storage medium and chip |
| CN117360134A (en) * | 2023-10-30 | 2024-01-09 | 杰锋汽车动力系统股份有限公司 | Air suspension system and car |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5466007A (en) * | 1991-09-13 | 1995-11-14 | Dunlop Limited | Vehicle suspension system |
| EP0978397A1 (en) * | 1998-08-06 | 2000-02-09 | Continental Aktiengesellschaft | Height control device for vehicles with air springs |
| CN101871500A (en) * | 2009-04-23 | 2010-10-27 | 阿文美驰技术有限责任公司 | The air supply system that is used for active air suspension |
| CN102145643A (en) * | 2011-03-08 | 2011-08-10 | 华南理工大学 | Closed loop gas path system of electric control air suspension |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4569855B2 (en) * | 2001-05-01 | 2010-10-27 | いすゞ自動車株式会社 | High pressure air suspension system |
| JP4080814B2 (en) * | 2002-08-12 | 2008-04-23 | 株式会社矢野特殊自動車 | Suspension device |
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2013
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5466007A (en) * | 1991-09-13 | 1995-11-14 | Dunlop Limited | Vehicle suspension system |
| EP0978397A1 (en) * | 1998-08-06 | 2000-02-09 | Continental Aktiengesellschaft | Height control device for vehicles with air springs |
| CN101871500A (en) * | 2009-04-23 | 2010-10-27 | 阿文美驰技术有限责任公司 | The air supply system that is used for active air suspension |
| CN102145643A (en) * | 2011-03-08 | 2011-08-10 | 华南理工大学 | Closed loop gas path system of electric control air suspension |
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