CN103253100B - Booster cavity and high-pressure cavity integrated type closed-loop gas path air suspension system - Google Patents
Booster cavity and high-pressure cavity integrated type closed-loop gas path air suspension system Download PDFInfo
- Publication number
- CN103253100B CN103253100B CN201310194507.0A CN201310194507A CN103253100B CN 103253100 B CN103253100 B CN 103253100B CN 201310194507 A CN201310194507 A CN 201310194507A CN 103253100 B CN103253100 B CN 103253100B
- Authority
- CN
- China
- Prior art keywords
- cavity
- check valve
- piston
- high pressure
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The invention discloses a booster cavity and a high-pressure cavity integrated type closed-loop gas path air suspension system, and relates to the technical field of closed-loop gas path air suspension systems. Two pistons and a piston rod are mounted in a cavity body, one piston is connected with one end of the piston rod, and the other end of the piston rod penetrates through the upper end face of a low-pressure cavity and is connected with an external driving device. A check valve c and a check valve d are mounted on the two pistons respectively. An air spring receives gas from the high-pressure cavity according to needs. When deflation is needed, gas is released to an upper working cavity body and a lower working cavity body of a self-pressurization mechanism through a check valve a and a check valve b. The self-pressurization mechanism fills the gas of the upper working cavity body and the lower working cavity body after accumulation and pressurization into the high-pressure cavity respectively through the check valve c and the check valve d in an extrinsic motivation vertical vibration stroke of a suspension, and a closed-loop gas path is formed. According to the booster cavity and the high-pressure cavity integrated type closed-loop gas path air suspension system, the gas exhausted by the air spring can be retrieved effectively and put into cyclic utilization, and the energy-saving purpose of the air suspension system is achieved.
Description
Technical field
The present invention relates to closed loop gas circuit airsuspension system technical field, especially relate to a kind of booster cavity and high pressure chest integrated-type closed loop gas circuit airsuspension system.
Background technology
Along with growth in the living standard, people not only require that automobile has good riding comfort, travelling comfort, simultaneously because natural resources is increasingly deficient, it is also proposed higher requirement to the energy saving of automobile.For vehicle air suspension system, 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 pumps 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 of discharging, and causes the loss of energy.In order to economize energy, original architecture basics increases a low pressure chamber storage tank, be used for the gas of certain pressure that stored air spring rows releases, when detecting that high pressure chest storage tank air pressure is not enough, start air pump, gas in low pressure chamber storage tank is pumped in high pressure chest storage tank, forms closed loop gas circuit airsuspension system.
Along with the worsening shortages of the energy, energy-conservation closed loop gas circuit air spring system will inevitably become the important topic that researcher is paid close attention to.Minority scholar is only had to propose some solutions to the research of this respect at present: more typical scheme has: the patent No. of the scholars such as Japanese Shuuici Buma is that the US Patent " ELECTRONIC CONTROLLED AIR SUSPENSION SYSTEM " of US4826141 proposes 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 high and low pressure chamber closed loop gas circuit airsuspension system that the program proposes, needs by starting air pump by gas boost collected in low pressure chamber in high pressure chest.The patent No. of the scholars such as German scholar Christof Behmenburg 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.And owing to adding this storage tank of low pressure chamber, the complexity of arrangement space on car must be added.
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, the gas that the vibration of suspension can be utilized 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.
To achieve these goals, its technical scheme of the present invention is: closed loop gas circuit airsuspension system, comprise air bellow, electromagnetic valve a, check valve, from booster body, air pump.During suspension work, air bellow accepts to realize inflation from the gas from booster body mesohigh chamber as required; When needing venting, then by check valve to from booster body venting, under the extrinsic motivation up-down vibration of booster body at suspension, be filled with high pressure chest by after gas buildup supercharging, formation closed loop gas circuit, reaches the energy-conservation object of airsuspension system like this.
The present invention includes air bellow, electromagnetic valve a, check valve b, check valve a, check valve c, piston rod, work epicoele, upper sealing panel, air pump, two-position three way magnetic valve, lower piston, upper piston, work cavity of resorption, lower surface, check valve d, high pressure chest, cavity; Described cavity is cylindrical shape, arranges upper piston and lower piston in cavity, and upper piston is positioned at the top of lower piston, and cavity is divided into work epicoele, high pressure chest and work cavity of resorption from top to bottom by upper piston and lower piston; The center of lower piston connects one end of piston rod, and the other end of piston rod connects external excitation suspension connect through the center of upper piston, the upper wall surface of cavity; Described upper piston is provided with the check valve c being led to high pressure chest by work epicoele, and described lower piston is provided with the check valve d being led to high pressure chest by work cavity of resorption; The upper sealing panel of described cavity is provided with admission port a, the lower surface of cavity is provided with admission port b, the sidewall being positioned at high pressure chest part of described cavity is provided with air-filled pore e, and described air-filled pore e is connected with the outlet side of air pump and one end of air bellow respectively by two-position three way magnetic valve; The air bellow other end is connected in parallel the inlet end of check valve a and the 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 air-filled pore e 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 air pump arranges electromagnetic valve d.
Described air bellow is connected with the admission port of two lower work cavitys from booster body respectively by electromagnetic valve a, check valve, realizes the function of venting.Have a hole to be connected with air pump, air bellow respectively by two-position three way magnetic valve above high pressure chest, 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 two-piston and pumps.A check valve is all housed above two-piston.Certain moment, due to two-piston move from balance position to a direction time, the pressure of one of them working cavity of two lower work cavitys 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 check valve is opened, realize gas boost in working cavity to the object in high pressure chest, another working cavity does not have boosted, has been the object of venting.
the invention has the beneficial effects as follows:
1, double-piston will be divided into upper, middle and lower three working cavities from booster body, and wherein two lower work cavity equipressures, decrease the shock damping action of lower work cavity to piston, namely reduce further the performance impact of suspension.
2, double-piston will be divided into upper, middle and lower three working cavities from booster body, and the distance between double-piston is definite value, and the seal cavity between two-piston serves as to the high pressure chest of air bellow inflation.High pressure chest is comprised from booster body, rationally compact, take up room little.
3, double-piston will be divided into upper, middle and lower three working cavities from booster body, when wherein in upper and lower two working cavities, any one working cavity is compressed during pressure increase, another one working cavity pressure must reduce, at this moment air bellow can reach the object of venting rapidly, does not affect the performance of venting.
4, double-piston is being in dynamic balance state in booster body, upper and lower two working cavities alternately by respective gas compression in high pressure chest, improve compression efficiency.
5, 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.
6, structure is simple, and mechanism easily realizes.Being the pressure energy of gas by double-piston up-and-down movement by the Conversion of Energy of suspension vibration, instead of orthodox method---air pump supercharging, avoids frequent starting air pump, has saved electric energy.
7, 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.
Accompanying drawing explanation
Fig. 1 is from booster body closed loop gas circuit airsuspension system schematic diagram.
Fig. 2 is from another specific implementation schematic diagram of booster body closed loop gas circuit airsuspension system.
In figure, 1. air bellow; 2. electromagnetic valve a; 3. check valve b; 4. check valve a; 5. check valve c; 6. piston rod; 7. work epicoele; 8. upper sealing panel; 9. air pump; 10. two-position three way magnetic valve; 11. lower pistons; 12. upper pistons; 13. work cavity of resorptions; 14. lower surfaces; 15. check valve d; 16. high pressure chests; 17. cavitys; 18. electromagnetic valve b; 19. electromagnetic valve c; 20. electromagnetic valve d.
Detailed description of the invention
As shown in the figure from booster body inner structure be a columnar cavity 17.Cavity 17 is built with upper piston 12, lower piston 11 and piston rod 6, lower piston 11 is fixedly connected with piston rod 6 one end, piston rod 6 other end is connected with extrinsic motivation suspension, upper piston 12 is a bit fixedly connected with certain on piston rod 6, distance between upper piston 12 and lower piston 11 is constant, and high pressure chest 16 is served as in the space between two-piston; And upper piston 12 is respectively equipped with a check valve c5, check valve d15 above with lower piston 11; Upper piston 12 is with cavity 17 is divided into work epicoele 7 by lower piston 11, work cavity of resorption 13 and high pressure chest 16; Have one end that a hole e connects two-position three way magnetic valve 10 in the middle of high pressure chest 16, the other end of two-position three way magnetic valve 10 connects air pump 9 and air bellow 1 respectively; Air pump 9 other end is communicated with air, the gas leaked with replenishment system and maintain in high pressure chest 16 and contain certain pressure; The other end of air bellow 1 is connected in parallel one end of check valve b3 and one end of check valve a4 by electromagnetic valve a2, and the other end of check valve b3 and the other end of check valve a4 are connected to the admission port b of work cavity of resorption 13 and the admission port a of work epicoele 7.
Specific works process:
Initial period, starts air pump 9, stores certain pressure to high pressure chest 16 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 the gas at this moment in high pressure chest flows out through two-position three way magnetic valve 10 from air-filled pore e and inflates to air bellow 1, realizes the function of inflation.
Releasing phase, is energized to electromagnetic valve a2, and air bellow 1, by electromagnetic valve a2, preferentially flows into work cavity of resorption 13 cavity less with pressure in work epicoele 7 through check valve b3 and check valve a4, realizes the function of venting.
Boost phase, when piston rod 6 bears external excitation, upper piston 12 and lower piston 11 are in the dynamical equilibrium position in cavity 17; Because work epicoele 7 is equal with work cavity of resorption 13 pressure, then the epicoele 7 that works is smaller, negligible with the shock damping action of work cavity of resorption 13 pairs of upper pistons 12 and lower piston 11, does not affect suspension property; Upper piston 12 and lower piston 11 bear external excitation when moving downward from dynamic balance position, and because the distance between upper piston 12 and lower piston 11 is constant, the volume of work cavity of resorption 13 can diminish rapidly, and pressure will become large instantaneously; Then push check valve d15 open when being greater than the pressure in high pressure chest 16 when the pressure in the cavity of resorption 13 that works, the gas in work cavity of resorption 13 flows in high pressure chest 16, realizes the object of boosting; Because upper piston 12 moves downward, epicoele 7 volume that so works becomes large and causes pressure to diminish, and at this moment air bellow can realize the object of venting rapidly.Upper piston 12 and lower piston 11 vibrate all the time on dynamical equilibrium position, and piston 11 has compressed downwards, and upper piston 12 and the rapid upward movement of lower piston 11 meeting, its principle of work is the same with downward compression situation, no longer describes at this.
Claims (4)
1. a booster cavity and high pressure chest integrated-type closed loop gas circuit airsuspension system, it is characterized in that, comprise air bellow (1), electromagnetic valve a(2), check valve b(3), check valve a(4), check valve c(5), piston rod (6), work epicoele (7), upper sealing panel (8), air pump (9), lower piston (11), upper piston (12), work cavity of resorption (13), lower surface (14), check valve d(15), high pressure chest (16), cavity (17); Described cavity (17) is cylindrical shape, upper piston (12) and lower piston (11) are set in cavity (17), upper piston (12) is positioned at the top of lower piston (11), and cavity (17) is divided into work epicoele (7), high pressure chest (16) and work cavity of resorption (13) from top to bottom by upper piston (12) and lower piston (11); The center of lower piston (11) connects one end of piston rod (6), and the other end of piston rod (6) connects external excitation suspension through the center of upper piston (12), the upper wall surface of cavity (17); Described upper piston (12) is provided with the check valve c(5 being led to high pressure chest (16) by work epicoele (7)), described lower piston (11) is provided with the check valve d(15 being led to high pressure chest (16) by work cavity of resorption (13)); The upper sealing panel (8) of described cavity (17) is provided with admission port a, the lower surface (14) of cavity (17) is provided with admission port b, the sidewall being positioned at high pressure chest (16) part of described cavity (17) is provided with air-filled pore e, and described air-filled pore e is connected with the outlet side of air pump (9) and one end of air bellow (1) respectively by electromagnetic valve; Air bellow (1) other end is by electromagnetic valve a(2) be connected in parallel check valve a(4) inlet end and check valve b(3) 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. a kind of booster cavity according to claim 1 and high pressure chest integrated-type closed loop gas circuit airsuspension system, it is characterized in that, described air-filled pore e 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. a kind of booster cavity according to claim 1 and high pressure chest integrated-type closed loop gas circuit airsuspension system, it is characterized in that, described air-filled pore e is by electromagnetic valve b(18) with electromagnetic valve c(19) be connected with the outlet side of air pump (9) and one end of air bellow (1) respectively.
4. a kind of booster cavity according to claim 1 and high pressure chest integrated-type closed loop gas circuit airsuspension system, it is characterized in that, the inlet end of described air pump (9) arranges electromagnetic valve d(20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310194507.0A CN103253100B (en) | 2013-05-23 | 2013-05-23 | Booster cavity and high-pressure cavity integrated type closed-loop gas path air suspension system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310194507.0A CN103253100B (en) | 2013-05-23 | 2013-05-23 | Booster cavity and high-pressure cavity integrated type closed-loop gas path air suspension system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103253100A CN103253100A (en) | 2013-08-21 |
| CN103253100B true CN103253100B (en) | 2015-06-10 |
Family
ID=48957444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310194507.0A Expired - Fee Related CN103253100B (en) | 2013-05-23 | 2013-05-23 | Booster cavity and high-pressure cavity integrated type closed-loop gas path air suspension system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103253100B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107444054A (en) * | 2017-06-30 | 2017-12-08 | 江苏大学 | Auxiliary aerating device applied to air suspension |
| CN109606048B (en) * | 2018-11-21 | 2021-07-09 | 江苏科技大学 | Air pressure self-adaptive change air spring and air pressure control method thereof |
| CN110195759A (en) * | 2019-07-11 | 2019-09-03 | 海南大学 | A kind of air spring automatic inflatable device of air |
| CN113335381B (en) * | 2021-06-18 | 2022-04-01 | 东风汽车集团股份有限公司 | Full-dynamic control device and method for toe-in camber of multi-link suspension |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6436513A (en) * | 1987-07-22 | 1989-02-07 | Bosch Gmbh Robert | Shock absorber |
| US4826141A (en) * | 1987-04-20 | 1989-05-02 | Toyota Jidosha Kabushiki Kaisha | Electronic controlled air suspension system |
| JPH0825939A (en) * | 1994-07-16 | 1996-01-30 | Isuzu Motors Ltd | Vehicle height adjusting device |
| US7377523B2 (en) * | 2004-05-17 | 2008-05-27 | Husco International, Inc. | Hydraulic suspension with a lock-out mechanism for an off-highway vehicle |
| DE102007060076A1 (en) * | 2007-12-13 | 2009-06-18 | Continental Aktiengesellschaft | Closed level control system for a vehicle |
| CN202782561U (en) * | 2012-08-16 | 2013-03-13 | 湖北新楚风汽车股份有限公司 | Lifting shaft system of vehicle provided with hydro-pneumatic suspension |
| CN103009956A (en) * | 2012-12-31 | 2013-04-03 | 江苏大学 | Energy storage suspension device having vibration energy recovery function |
-
2013
- 2013-05-23 CN CN201310194507.0A patent/CN103253100B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4826141A (en) * | 1987-04-20 | 1989-05-02 | Toyota Jidosha Kabushiki Kaisha | Electronic controlled air suspension system |
| JPS6436513A (en) * | 1987-07-22 | 1989-02-07 | Bosch Gmbh Robert | Shock absorber |
| JPH0825939A (en) * | 1994-07-16 | 1996-01-30 | Isuzu Motors Ltd | Vehicle height adjusting device |
| US7377523B2 (en) * | 2004-05-17 | 2008-05-27 | Husco International, Inc. | Hydraulic suspension with a lock-out mechanism for an off-highway vehicle |
| DE102007060076A1 (en) * | 2007-12-13 | 2009-06-18 | Continental Aktiengesellschaft | Closed level control system for a vehicle |
| CN202782561U (en) * | 2012-08-16 | 2013-03-13 | 湖北新楚风汽车股份有限公司 | Lifting shaft system of vehicle provided with hydro-pneumatic suspension |
| CN103009956A (en) * | 2012-12-31 | 2013-04-03 | 江苏大学 | Energy storage suspension device having vibration energy recovery function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103253100A (en) | 2013-08-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103241091B (en) | A kind of with the multistage air bellow closed loop air-channel system from booster body | |
| CN103253100B (en) | Booster cavity and high-pressure cavity integrated type closed-loop gas path air suspension system | |
| CN103241097B (en) | High-low pressure chamber closed loop gas circuit airsuspension system self-supercharging device | |
| CN201198853Y (en) | Buffering device of automobile hanging cylinder | |
| CN101865237A (en) | Hydraulic electricity generation shock absorber of vehicle | |
| CN101244730B (en) | Power system of jump robot | |
| CN203297461U (en) | Hydro-pneumatic spring with variable parameters | |
| US10926502B2 (en) | Efficient energy-saving return cylinder of hydraulic press and working method thereof | |
| CN103373191B (en) | The arrangement for adjusting height of body of a motor car | |
| CN106427456B (en) | A kind of high-low pressure chamber closed loop gas circuit airsuspension system is from pressure charging system | |
| CN103498820A (en) | Closed pressure maintaining oil tank suitable for hydraulic wave power generation device | |
| CN104553662A (en) | High-and-low pressure chamber closed-loop gas path electronic controlled air suspension system | |
| CN207921208U (en) | A kind of damper with air compression function | |
| CN106762519B (en) | A kind of variable load reciprocating compressor or pump | |
| CN201162660Y (en) | Hydraulic secondary balancing device of beam pumping unit | |
| CN205277959U (en) | Atmospheric pressure hydraulic pressure circulation driving system | |
| CN112594232A (en) | High-speed hydraulic erecting mechanism based on synchronous telescopic multistage cylinder and energy accumulator | |
| CN105673612A (en) | Cylinder movement anti-torsion stoke-adjustable energy-saving cylinder | |
| CN105782320A (en) | Piston energy feedback assembly and energy recovery absorbers | |
| CN108278322A (en) | One kind can pressure accumulation vehicle shock absorber | |
| CN201880838U (en) | Rapid return device of rapid forging oil press | |
| CN103253099B (en) | Closed loop gas circuit air suspension system with self-pressurization mechanism | |
| CN207921224U (en) | One kind can pressure accumulation vehicle shock absorber | |
| CN202851303U (en) | Inlet valve of gas compressor | |
| CN103590902B (en) | The motor of low pumping loss and the method for reduction motor pumping loss |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 Termination date: 20160523 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |