CN205112910U - Be applied to air mixing driving system's half initiative and present ability suspension - Google Patents
Be applied to air mixing driving system's half initiative and present ability suspension Download PDFInfo
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- CN205112910U CN205112910U CN201520944150.8U CN201520944150U CN205112910U CN 205112910 U CN205112910 U CN 205112910U CN 201520944150 U CN201520944150 U CN 201520944150U CN 205112910 U CN205112910 U CN 205112910U
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Abstract
The utility model discloses a be applied to air mixing driving system's half initiative and present ability suspension, its structure is: be equipped with consecutive little grease chamber (2), attenuator pneumatic cylinder (4), accumulator (6), hydraulic pressure gas pitcher (9), pump / motor (12) and the big grease chamber (14) with hydraulic pressure oil pipe to this constitutes a complete hydraulic circuit. The utility model discloses can effectively must get up to be used for power take off with the energy storage who retrieves with the energy recuperation of road surface vibration.
Description
Technical field
The utility model is automobile suspension system, is the brand-new half active energy regenerative suspension based on air hybrid system.
Background technology
Suspension is the important structure and fuction parts of automobile, has great impact to the performance of automobile.At present domestic and international automobile uses traditional passive suspension, in addition, the focus of suspension research also comprises semi-active suspension, air suspension, active suspension.But traditional passive suspension and semi-active suspension can not by the energy regenerating of road vibration, these energy are all treated as thermal dissipation and go out.And air suspension and active suspension also must the power of also more consumption of engine.In the face of the day by day exhausted of world petroleum resource is with under the overall background megatrend of promotion energy-conserving and environment-protective, the research of energy regenerative suspension is further urgent.Energy regenerative suspension is a kind of novel suspending bracket collecting damping and reclaim vibrational energy and one, explores from the angle of suspension technology the fuel economy improving automobile.Because energy regenerative suspension is a kind of brand-new suspension, this art of suspension systems is also still immature and also do not have generally acknowledged energy feedback mode.Moreover air hybrid system is also up-to-dately at present develop a energy saving and environment friendly system, in this power system, does not also have the application of energy regenerative suspension.
Air hybrid system is a kind of brand-new power system, a kind of novel power in environmental protection system of PSA group release a few days ago, its structure as shown in Figure 2, is made up of driving engine 15, power-transfer clutch 16, change-speed box 17, pump/motor 18, grease chamber 19, air chamber 20, wheel 21, drive axle 22 and oil cabinet 23.This system is by braking energy, and idling Energy harvesting hydraulic efficiency pressure system compressed nitrogen, converts it into gas internal energy and store, and is the system of a set of no pollution.In starting, under the operating modes such as climbing, gas internal energy discharges, and promotes hydraulic oil, is rotated by pump/motor, and power-transfer clutch combines, and gas internal energy to change-speed box, and then is changed into mechanical energy by power transmission.
Summary of the invention
Technical problem to be solved in the utility model is: for also do not have a set of safe and reliable energy regenerative suspension and empty hybrid power system in conjunction with this problem, a kind of half active energy regenerative suspension for air hybrid system is provided, this suspension can recuperated energy and improve the fuel economy of automobile further fully, and can the damping of adjustable suspension, increase the traveling comfort taken.
The utility model solves the technical scheme that its technical matters adopts: be provided be connected successively with hydraulic oil pipe little grease chamber, dampener hydraulic cylinder, accumulator, hydraulic pressure gas tank, pump/motor and large grease chamber, formed a complete hydraulic circuit with this.
In described hydraulic oil pipe, except the hydraulic oil pipe connecting accumulator and hydraulic pressure gas tank is except solid drawn pipe, all the other are hydraulic high-pressure flexible pipe.
Two hydraulic oil pipes be connected with dampener hydraulic cylinder in little grease chamber, and on two the hydraulic oil pipelines be connected with accumulator at dampener hydraulic cylinder, the check valve that two prevent hydraulic oil counter-flow is housed all respectively; The solid drawn pipe that accumulator is connected with hydraulic pressure gas tank is equipped with controlled one-way throttle valve.
Described accumulator, oil pressure sensor is equipped with in its exit.
Described hydraulic pressure gas tank, its inner chamber to slidably separator piston separates, and is divided into two, and wherein left inside chamber is built with hydraulic oil, and right inside chamber is built with nitrogen.
The utility model compared with prior art has following main advantage:
1. existing energy regenerative suspension has Ball screw type, pinion and-rack, and liquid electricity energy regenerative suspension.Existing three kinds of energy regenerative suspensions respectively have drawback.Damping difference when Ball screw type energy regenerative is suspended in high frequency pumping; Pinion and-rack is when being subject to larger road shocks, and pinion and rack easily causes stroke tooth bar crackle; Liquid electricity energy regenerative suspension hydraulic system is complicated, and energy in systems in which loss is excessive.The design of the utility model suspension oil circuit is simplified, and S. E. A. is high, good endurance.
2. this suspension is a kind of brand-new suspension, is the suspension proposing at first to carry out with air hybrid system combining.By the energy of road excitation, air internal energy can be converted into for running car.
3. this energy regenerative suspension is a kind of half initiatively energy regenerative suspension, and the design of this suspension oil piping system is coupled with power system, by changing controlled one-way throttle valve 8 aperture size, can adjustable suspension damping, and reach the object of the smooth-going row of improvement and traveling comfort.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is current air hybrid system schematic diagram.
In figure: 1. check valve; 2. little grease chamber; 3. check valve; 4. dampener hydraulic cylinder; 5. check valve; 6. accumulator; 7. oil pressure sensor; 8. controllable check valve; 9. hydraulic pressure gas tank; 10. change-speed box; 11. power-transfer clutchs; 12. pump/motors; 13. check valves; 14. large grease chambeies; 15. driving engines; 16. power-transfer clutchs; 17. change-speed boxs; 18. pump/motors; 19. grease chambeies; 20. air chambers; 21. wheels; 22. drive axles; 23. oil cabinets.
Detailed description of the invention
Below, in conjunction with the embodiments and accompanying drawing the utility model is described in further detail, but be not limited to the utility model.
Half initiatively energy regenerative suspension of what the utility model provided be applied to air hybrid system, its structure as shown in Figure 1, be provided be connected successively with hydraulic oil pipe little grease chamber 2, dampener hydraulic cylinder 4, accumulator 6, hydraulic pressure gas tank 9, pump/motor 12 and large grease chamber 14, formed a complete hydraulic circuit with this.
In described pipeline, be except solid drawn pipe is connected except connecting accumulator 6 with the pipeline of hydraulic pressure gas tank 9, all the other connecting tubes are hydraulic high-pressure flexible pipe.
Two pipelines be connected with dampener hydraulic cylinder 4 in little grease chamber 2 are equipped with check valve 1, check valve 3 respectively.On two pipelines be connected with accumulator 6 at dampener hydraulic cylinder 4, all check valve is housed, is respectively check valve 5 and check valve 13.Described check valve 1, check valve 3, check valve 5 and check valve 13, its valve two ends are connected with system flexible pipe, increase locked clip device.The hard tube pipeline that accumulator 6 is connected with hydraulic pressure gas tank 9 is equipped with controlled one-way throttle valve 8.Five above-mentioned check valve Main Functions are liquid flow path directions of restriction hydraulic oil.
Described little grease chamber 2, its effect is the confession shortage of oil and the fuel feeding sluggishness that prevent damper, be used for reducing the waste of power of fluid in transport process, the synergy of itself and large grease chamber 14, can increase the stability of air hybrid system, durability and operation smooth and easy.
Described dampener hydraulic cylinder 4 is vitals of suspension system, and its effect slows down automobile vibration, increases traveling comfort.
Described accumulator 6, be a kind of small-sized accumulator, profile is similar to oxygen bottle, and its effect is: what (1) made hydraulic oil stable enters large grease chamber, makes hydraulic oil carry out the effect of current stabilization and energy storage; (2) a large amount of pressure oil liquid of supply in the short time; (3) system pressure is maintained; (4) hydraulic efficiency impact or pressure pulsation is reduced.
In the exit of accumulator 6, oil pressure sensor 7 is housed.
Described oil pressure sensor 7, for monitoring the oil pressure of accumulator 6 oil outlet.The oil pressure that accumulator exports is passed to vehicle ECU by this oil pressure sensor 7, and ECU controls the valve opening size of controllable check valve 8 according to force value, changes the size adjustment vehicle ride comfort of damping coefficient with this.
Described controllable check valve 8 is a kind of controlled electromagnetic valves.It has confined liquid flow direction, changes the effect of fluid flow.This electromagnetic valve utilizes driving storage battery to control the aperture of controllable check valve 8 to the voltage swing of electromagnetic valve, aperture size according to controllable check valve 8 changes oil pressure, the size of damping coefficient in damper can be changed, regulate the object of vehicle ride comfort and operational stability with this.
Described hydraulic pressure gas tank 9 is mesohigh gas tanks, can by the gas storage of high pressure in tank.The inner chamber of this hydraulic pressure gas tank 9 to slidably separator piston separates, and be divided into two, wherein left inside chamber is built with hydraulic oil, and right inside chamber is built with nitrogen.
Described pump/motor 12, it is mechanically connected by power-transfer clutch 11 and change-speed box 10.
The energy regenerative suspension for air hybrid system that the utility model provides, its working process is as follows:
In order to realize the energy regenerating of air hybrid system suspension vibration, see Fig. 1.When road surface is encouraged to suspension one, the piston upwards of hydraulic actuating cylinder in dampener hydraulic cylinder 4, promote hydraulic oil and flow through check valve 5, now due to the effect of check valve 3, check valve 1, check valve 13, check valve 5, below piston, volume air pressure reduces, hydraulic oil in little grease chamber 2 flows into and to be inhaled in dampener hydraulic cylinder 4 below hydraulic cylinder piston in volume through check valve 1, and the hydraulic oil above piston flows in accumulator 6 through hydraulic oil flexible pipe, and accumulator 6 plays current limliting and voltage stabilizing.Due to the existence of check valve 13, the hydraulic oil in accumulator 6 can not be back in dampener hydraulic cylinder 4.Hydraulic oil at this moment from accumulator 6 out, flows through controllable check valve 8 and goes to promote the piston in gas tank 9, go pressurized air, and then got up by vibration energy regeneration.When in damper 4, the piston of hydraulic actuating cylinder moves down, now due to the effect of check valve 1, check valve 3, check valve 5 and check valve 13, volume air pressure above piston is reduced, and the hydraulic oil of little grease chamber 2 flows into above piston through check valve 3.The hydraulic oil that piston compresses downwards flows in accumulator 6 through check valve 13, then through controllable check valve 8, goes to promote the piston compresses air in gas tank 9, and then got up by vibration energy regeneration.So upper and lower circulating motion of piston of hydraulic actuating cylinder in damper 4, by automobile when road traveling, can cause the energy regenerating that vibration produces due to random road roughness.
Claims (5)
1. one kind is applied to half active energy regenerative suspension of air hybrid system, it is characterized in that being provided be connected successively with hydraulic oil pipe little grease chamber (2), dampener hydraulic cylinder (4), accumulator (6), hydraulic pressure gas tank (9), pump/motor (12) and large grease chamber (14), formed a complete hydraulic circuit with this.
2. the half active energy regenerative suspension being applied to air hybrid system according to claim 1, it is characterized in that in described hydraulic oil pipe, except the hydraulic oil pipe connecting accumulator (6) and hydraulic pressure gas tank (9) is except solid drawn pipe, all the other are hydraulic high-pressure flexible pipe.
3. the half active energy regenerative suspension being applied to air hybrid system according to claim 1, it is characterized in that two hydraulic oil pipes be connected with dampener hydraulic cylinder (4) in little grease chamber (2), and on two the hydraulic oil pipelines to be connected with accumulator (6) at dampener hydraulic cylinder (4), the check valve that two prevent hydraulic oil counter-flow is housed all respectively; The solid drawn pipe that accumulator (6) is connected with hydraulic pressure gas tank (9) is equipped with controlled one-way throttle valve (8).
4. the half active energy regenerative suspension being applied to air hybrid system according to claim 1, is characterized in that, in the exit of accumulator (6), oil pressure sensor (7) is housed.
5. the half active energy regenerative suspension being applied to air hybrid system according to claim 1, it is characterized in that described hydraulic pressure gas tank (9), its inner chamber to slidably separator piston separates, and is divided into two, wherein left inside chamber is built with hydraulic oil, and right inside chamber is built with nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520944150.8U CN205112910U (en) | 2015-11-23 | 2015-11-23 | Be applied to air mixing driving system's half initiative and present ability suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520944150.8U CN205112910U (en) | 2015-11-23 | 2015-11-23 | Be applied to air mixing driving system's half initiative and present ability suspension |
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| Publication Number | Publication Date |
|---|---|
| CN205112910U true CN205112910U (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520944150.8U Expired - Fee Related CN205112910U (en) | 2015-11-23 | 2015-11-23 | Be applied to air mixing driving system's half initiative and present ability suspension |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106080579A (en) * | 2016-06-17 | 2016-11-09 | 江苏大学 | A kind of hybrid electric vehicle complete vehicle control method based on suspension vibration energy regenerating |
| CN106314059A (en) * | 2016-08-22 | 2017-01-11 | 江苏大学 | Interconnection-type feedback energy air suspension and use method thereof |
| CN112549892A (en) * | 2020-12-04 | 2021-03-26 | 江苏大学 | Secondary vibration reduction electrohydraulic active suspension with adjustable additional rigidity and damping and working method |
-
2015
- 2015-11-23 CN CN201520944150.8U patent/CN205112910U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106080579A (en) * | 2016-06-17 | 2016-11-09 | 江苏大学 | A kind of hybrid electric vehicle complete vehicle control method based on suspension vibration energy regenerating |
| CN106080579B (en) * | 2016-06-17 | 2018-04-24 | 江苏大学 | A kind of hybrid electric vehicle complete vehicle control method based on suspension vibration energy regenerating |
| CN106314059A (en) * | 2016-08-22 | 2017-01-11 | 江苏大学 | Interconnection-type feedback energy air suspension and use method thereof |
| CN112549892A (en) * | 2020-12-04 | 2021-03-26 | 江苏大学 | Secondary vibration reduction electrohydraulic active suspension with adjustable additional rigidity and damping and working method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160330 Termination date: 20161123 |