CN102926956A - Blade-type energy recovery shock absorber - Google Patents
Blade-type energy recovery shock absorber Download PDFInfo
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- CN102926956A CN102926956A CN2012104137409A CN201210413740A CN102926956A CN 102926956 A CN102926956 A CN 102926956A CN 2012104137409 A CN2012104137409 A CN 2012104137409A CN 201210413740 A CN201210413740 A CN 201210413740A CN 102926956 A CN102926956 A CN 102926956A
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- shock absorber
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
- F03G7/08—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for recovering energy derived from swinging, rolling, pitching or like movements, e.g. from the vibrations of a machine
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Abstract
The invention relates to a blade-type energy recovery shock absorber which utilizes a machine-electricity-fluid mixed system. The blade-type energy recovery shock absorber comprises a generator, a hydraulic motor, an energy accumulator, a hydraulic check oil way and a blade-type shock absorber assembly. By adopting the shock absorber, the linear motion between sprung mass and unsprung mass of a suspension system caused by unevenness of the ground is changed into hydraulic flow with invariable direction to drive the hydraulic motor to rotate, the hydraulic motor drives the generator to generate electricity, so that the vibration mechanical energy is converted into electric energy and recycled; the hydraulic check oil way consists of a hydraulic pipeline and a check valve system; the damping force required by the shock absorber system is mainly provided by the counter-acting force of counter electromotive force generated during operation of the generator, and active or semi-active control on the damping force of the shock absorber is realized by controlling the load of the generator. The blade-type energy recover shock absorber can be applied to a tracked vehicle in replacement of a traditional blade-type shock absorber, and is especially suitable for tracked vehicles with large electrical load. The vibration energy is recovered while the driving comfort is improved.
Description
Technical field
The present invention relates to vibration damper, particularly relate to a kind of blade type energy-recovery shock absorber for the endless-track vehicle suspension system, and have the function that the partial vibration energy is reclaimed, can also realize active or half ACTIVE CONTROL to suspension system.
Background technique
When vehicle travels on the road surface, the jolting and the acceleration and deceleration of vehicle, the operation such as turn to cause producing between spring carried mass and the nonspring carried mass Relative Vibration of road surface, vibration damper changes this part mechanical energy into thermal energy consumption with the form that rubs and dissipates, thus the vibration of decay vehicle.If these energy can be recycled, then can reduce energy consumption of vehicles, thereby realize the purpose of energy saving.The present invention just is being based on a kind of like this thought, namely substitutes traditional vibration damper with the vibration damper with energy recovery function, with originally being reclaimed by the energy that vibration damper dissipated, realizes a new energy saving way.
The existing energy vibration damper that reclaims vibrational energy by generator various informative, but all have certain defect.
Such as Chinese patent ZL00232651.5 description is that linear electric motor are used in the vibration damper, straight line motion mechanical energy is directly changed into electric energy or electric energy is directly changed into straight line motion mechanical energy, and without any need for the transmission device of intermediate conversion mechanism, can offset road recovery section energy when impacting.Its shortcoming is that linear electric motor are large than the Magnetic leakage flux of electric rotating machine, and damping force is little, can not be applicable to heavy vehicle; The electrical propertieies such as its power factor and efficient are lower, and energy recovery efficiency is general; Complicated and the easy inefficacy of the supporting structure of linear electric motor vibration damper, structural reliability is general; Linear electric motor expensive, supporting structure is complicated, and manufacture cost is high.
What Chinese patent ZL02203432.3 described is to have added a set crank link structure in conventional suspension systems, and the up-down vibration of wheel is transformed into rotatablely moving of motor.What Chinese patent ZL200620090847.4 described is to replace vibration damper with motor and pinion and rack, with linkage mechanism dynamoelectric machine is fixed on the spring carried mass, and tooth bar directly is connected on the nonspring carried mass, and gear links to each other with the dynamoelectric machine rotor.After the wheel and rack engagement, the whole energy regenerative element that consists of the energy regenerative suspension of dynamoelectric machine and pinion and rack.These two technology are automobile and produce a double vibrations, and this device only picks up the approximately energy of half, because the parts that have the time of half to be used for device reset, energy recovery efficiency is low; And the device volume of above-mentioned two technology and quality are all larger, and be difficult during installation.
What China Patent Publication No. 1626370A described is to adopt ball screw framework, the straight line motion between spring carried mass and the nonspring carried mass is transformed into the rotation of rotor.Motor and ball screw framework form the energy regenerative element, with the Energy transfer that reclaims to charging circuit and battery.In the Vehicle Driving Cycle process, power feeding shock absorber is done to uphold and compression movement with Uneven road, ball nut is done up and down translation vertically, drive ball screw and rotor and do positive and negative rotation, motor works in electronic or braking state according to control command, thereby active buffer and decay shock and vibration that caused by Uneven road and conducted to vehicle body by wheel, and recovered energy.Pinion and-rack or ball wire rod-type etc. change straight line motion into mechanical device the energy-recuperation system of rotation, and shortcoming is the impact that is subjected to the power train internal void, and system is non-vanishing to the frequency response function of high-frequency signal.In low-frequency range and excitation amplitude in ground when large, its energy recovery efficiency and suspension performance are better such as the ball wire rod-type; And when system frequency was higher, its suspension performance was not as good as passive suspension, also can't recovered energy, and cause entire system efficient lower.
In the above technology that straight line motion is changed into rotation, motor all is solid-state the connection with transmission system, this cause motor can along with system vibration constantly change sense of rotation and repeatedly motor speed by 0-the circulation of acceleration-〉 deceleration-〉 motor speed 0, produce a large amount of " inertia loss ".This not only can shorten the generator life-span greatly, also can so that generator only has the time seldom or has no time to generate electricity fully in whole vibration processes, cause whole energy regenerative system effectiveness low, to such an extent as to can not be applicable to practical application.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of be applied to endless-track vehicle efficiently, be convenient to install, be convenient to safeguard, can adapt to the blade type energy-recovery shock absorber of abominable road conditions.
The present invention solves its technical problem and adopts following technological scheme:
Blade type energy-recovery shock absorber provided by the invention is take traditional endless-track vehicle vane damper as the basis, adds a cover energy recovery mechanism, with fuel economy and the driving smoothness that improves endless-track vehicle.Described energy recovery mechanism comprises generator, oil hydraulic motor, bladder accumulator, mechanical energy-storage device and hydraulic circuit system, and wherein: generator links to each other with oil hydraulic motor by coupling; Hydraulic circuit system is located at the inside of the dividing plate in the vibration damper, and it is comprised of hydraulic pipe line and one-way valve system; Bladder accumulator is arranged between the oil outlet and oil hydraulic motor of vibration damper shell; Mechanical energy-storage device is arranged between the oil outlet and oil hydraulic motor of vibration damper shell.
Described one-way valve system can have four one-way valves at least, wherein: the outlet end of the first one-way valve is connected with the outlet end of the second one-way valve, the entrance point of the second one-way valve is connected with the outlet end of the 3rd one-way valve, the entrance point of the 3rd one-way valve is connected with the entrance point of the 4th one-way valve, and the outlet end of the 4th one-way valve is connected with the entrance point of the first one-way valve.
Described the first one-way valve can be connected with the filler opening of oil hydraulic motor with the second one-way valve; Described the 3rd one-way valve can be connected with the oil outlet of oil hydraulic motor with the 4th one-way valve.
Described four one-way valves all can adopt steel ball to add the location spring structure.
Described energy recovery mechanism at least also is useful on three seal arrangements that prevent leakage, and wherein: the first seal arrangement is located between vibration damper shell and the blade; The second seal arrangement is located between dividing plate and the sharf; The 3rd seal arrangement is located between sharf and the dividing plate.
Described three seal arrangements are oil-sealing arrangement.
Described mechanical energy-storage device can be comprised of piston and spring, and the adjustable mechanical energy-storage device of initial pressure.
Described generator can be the rare-earth permanent magnet brushless generator.
Described oil hydraulic motor can be axial-piston hydraulic motor.
Above-mentioned blade type energy-recovery shock absorber provided by the invention, its application in the endless-track vehicle suspension system.When endless-track vehicle travels, it can cause producing between suspension system spring carried mass and the nonspring carried mass energy of Relative Vibration at the acceleration and deceleration, the steering operation that jolt and comprise vehicle on road surface, substitute traditional vane damper realization to active or half ACTIVE CONTROL of described suspension system by described blade type energy-recovery shock absorber, and damping force is provided and recycles this energy.
The reaction force of the counterelectromotive force that produces when the required damping force of this blade type energy-recovery shock absorber is mainly worked by generator provides, by active or half ACTIVE CONTROL of control generator loading realization to described damping force, and will be transformed into the constant flow of pressurized driving oil hydraulic motor rotation of direction by suspension system spring carried mass and the straight line motion between the nonspring carried mass that the ground injustice causes, drive the generator generating by oil hydraulic motor, recycled thereby vibration mechanical energy is converted into electric energy.
The present invention compared with prior art has advantages of following main:
One. can fully recycle the energy of endless-track vehicle generation of vibration.
The hybrid system of employing machine-electricity-liquid, utilize the flexibility of hydraulic system and the high efficiency of electromagnetic system, with vehicle in the process of moving because the energy of generation of vibration is reclaimed the sustainable generating of generator in the working procedure, can not produce reversal phenomenon, energy recovery efficiency is higher.
They are two years old. and simple in structure, component are less, can reequip under the condition that does not change original vane damper installing space, realize energy-saving and emission-reduction.
They are three years old. can by active or half ACTIVE CONTROL of control generator loading realization to absorber damping force, improve driving comfortability.
Description of drawings
Fig. 1 is basic principle figure of the present invention.
Fig. 2 is structural representation of the present invention.
Among the figure: 1. generator; 2. coupling; 3. oil hydraulic motor; 4. bladder accumulator; 5. blade; 6. vibration damper shell; 7. the first one-way valve; 8. the second one-way valve; 9. dividing plate; 10. link arm; 11. link arm articulating point; 12. mechanical energy-storage device; 13. sharf; 14. the 3rd one-way valve; 15. the 4th one-way valve; 16. oil sealing; 17. Oil Guide dish; 18. hydraulic motor plunger; 19. oil hydraulic motor swash plate; 20. hydraulic circuit system; 21. filler opening; 22. oil outlet.
Embodiment
The invention will be further described below in conjunction with embodiment and accompanying drawing, but be not limited to following described content.
Blade type energy-recovery shock absorber provided by the invention, take traditional endless-track vehicle vane damper as the basis, add a cover energy recovery mechanism, can be under the prerequisite that does not change former vehicle structure, increase energy feedback function and damping force control function, with fuel economy and the driving smoothness that improves endless-track vehicle.
Described energy recovery mechanism comprises generator 1, oil hydraulic motor 3, hydraulic circuit system 20, bladder accumulator 4, mechanical energy-storage device 12 as depicted in figs. 1 and 2.This special endless-track vehicle vibration damper can be transformed into constant flow of pressurized driving oil hydraulic motor 3 rotations of direction with suspension system spring carried mass and the straight line motion between the nonspring carried mass that is caused by the ground injustice, drive generator 1 generating by oil hydraulic motor 3, recycled thereby vibration mechanical energy is converted into electric energy.Hydraulic circuit system 20 is made of hydraulic pipe line and one-way valve system, and they are located at dividing plate 9 inside in the vibration damper shell 6; One-way valve system is connected to oil hydraulic motor 3 by hydraulic pipe line.The reaction force of the counterelectromotive force that the required damping force of this vibration damper produces when mainly being worked by generator 1 provides, and can be by active or half ACTIVE CONTROL of control generator 1 load realization to described damping force.Bladder accumulator 4 is arranged between the oil outlet and oil hydraulic motor 3 of vibration damper shell 6, and mechanical energy-storage device 12 is arranged between the oil outlet and oil hydraulic motor 3 of vibration damper shell 6.
Described generator 1 can adopt the rare-earth permanent magnet brushless generator.
Described oil hydraulic motor 3 is an axial-piston hydraulic motor, and it links to each other with generator 1 by coupling 2.This oil hydraulic motor is provided with Oil Guide dish 17, hydraulic motor plunger 18 and oil hydraulic motor swash plate 19.
Described vibration damper shell 6 is provided with filler opening 21 and the oil outlet 22 with Oil Guide dish 17 couplings, and vibration damper shell 6 and Oil Guide dish 17 are tightly connected by bolt and seal ring mode.
Described one-way valve system contains four one-way valves at least, all adopts steel ball to add the location spring structure.Wherein: the outlet end of the first one-way valve 7 is connected with the outlet end of the second one-way valve 8, and is connected to an end of described oil hydraulic motor 3; The entrance point of the second one-way valve 8 is connected with the outlet end of the 3rd one-way valve 14.The entrance point of the 3rd one-way valve 14 is connected with the entrance point of the 4th one-way valve 15, and is connected to the other end of described oil hydraulic motor 3.The outlet end of the 4th one-way valve 15 is connected with the entrance point of the first one-way valve 7.
Described vane damper is comprised of blade 5, vibration damper shell 6, dividing plate 9 and the sharf 13 that links to each other with blade 5.In order to prevent leakage, between blade 5 and vibration damper shell 6, be provided with a seal arrangement, between sharf 13 and dividing plate 9, be provided with two seal arrangements.Described seal arrangement is oil sealing 16.One end of sharf 13 links to each other with an end of link arm 10, and the other end of this link arm links to each other with vehicle body by link arm articulating point 11.
Described accumulator is made of two accumulators, and wherein: the first accumulator is bladder accumulator 4, places between the oil outlet end 21 and oil hydraulic motor 3 filler openings of vibration damper shell 6.The second accumulator is mechanical energy-storage device 12, is comprised of and initial pressure can be regulated piston and spring, places between the filler opening end 22 and oil hydraulic motor 3 oil outlets of vibration damper shell 6.These two accumulators all can be integrated on the vibration damper shell 6.
Described traditional endless-track vehicle vane damper, its structure is: be provided with blade 5, vibration damper shell 6, dividing plate 9, link arm 10., link arm articulating point 11 and sharf 13 etc.
Working procedure of the present invention is: when vibrating in the Vehicle Driving Cycle process, link arm 10 band moving vanes 5 are done crankmotion, when blade 5 is done when rotating counterclockwise shown in Fig. 1 arrow, two larger fan-shaped chambeies near the second one-way valve 8 and the 3rd one-way valve 14 among Fig. 1 are hyperbaric chamber, and two less fan-shaped chambeies of close the first one-way valve 7 and the 4th one-way valve 15 are low-pressure cavity, and each chamber reaches pressure balance by interconnective hydraulic pipe line.Under the effect of hydraulic fluid pressure, the second one-way valve 8 and the 4th one-way valve 15 are opened, and the first one-way valve 7 and the 3rd one-way valve 14 are closed, hydraulic oil is that bladder accumulator 4 rectifying and wave-filtering rear driving oil hydraulic motors 3 rotate through the second one-way valve 8 and first order accumulator, oil hydraulic motor 3 drives generator 1 generating, the reaction force that produces during generator 1 work makes oil hydraulic motor 3 relative hydraulic oil produce damping function, hydraulic oil is mechanical energy-storage device 12 superchargings by oil hydraulic motor 3 by second level accumulator, then returns two low-pressure cavity by the 4th one-way valve 15; And when link arm 10 band moving vanes 5 clockwise rotate, two less fan-shaped chambeies are hyperbaric chamber, and two larger fan-shaped chambeies are low-pressure cavity, this moment, the first one-way valve 7 and the 3rd one-way valve 14 were opened, and the second one-way valve 8 and the 4th one-way valve 15 are closed, and form hydraulic pressure non-return oil circuit, and hydraulic oil is flowed out by the first one-way valve 7, returned by the 3rd one-way valve 14, similar when its working method and blade 5 are rotated counterclockwise.In axial-piston hydraulic motor bottom, oil-feed and oil extraction window are arranged, go out oiler with two of hydraulic pressure non-return oil circuit and is connected, therefore, no matter rotation blade 5 is clockwise or when rotating counterclockwise, the liquid flow path direction that passes through oil hydraulic motor 3 can not change.
Claims (10)
1. a blade type energy-recovery shock absorber is characterized in that take traditional endless-track vehicle vane damper as the basis, adds a cover energy recovery mechanism, with fuel economy and the driving smoothness that improves endless-track vehicle; Described energy recovery mechanism comprises generator (1), oil hydraulic motor (3), bladder accumulator (4), mechanical energy-storage device (12) and hydraulic circuit system (20), and wherein: generator (1) links to each other with oil hydraulic motor (3) by coupling; Hydraulic circuit system (20) is located at the inside of the dividing plate (9) in the vibration damper, and it is comprised of hydraulic pipe line and one-way valve system; Bladder accumulator (4) is arranged between the oil outlet and oil hydraulic motor (3) of vibration damper shell (6); Mechanical energy-storage device (12) is arranged between the oil outlet and oil hydraulic motor (3) of vibration damper shell (6).
2. blade type energy-recovery shock absorber according to claim 1, it is characterized in that: described one-way valve system has four one-way valves at least, wherein: the outlet end of the first one-way valve (7) is connected with the outlet end of the second one-way valve (8), the entrance point of the second one-way valve (8) is connected with the outlet end of the 3rd one-way valve (14), the entrance point of the 3rd one-way valve (14) is connected with the entrance point of the 4th one-way valve (15), and the outlet end of the 4th one-way valve (15) is connected with the entrance point of the first one-way valve (7).
3. blade type energy-recovery shock absorber according to claim 2, it is characterized in that: described the first one-way valve (7) is connected with the filler opening of the second one-way valve (8) with oil hydraulic motor (3); Described the 3rd one-way valve (14) is connected with the oil outlet of the 4th one-way valve (15) with oil hydraulic motor (3).
4. blade type energy-recovery shock absorber according to claim 3 is characterized in that described four one-way valves all adopt steel ball to add the location spring structure.
5. blade type energy-recovery shock absorber according to claim 1, it is characterized in that described energy recovery mechanism at least also is useful on three seal arrangements (16) that prevent leakage, wherein: the first seal arrangement is located between vibration damper shell (6) and the blade (5); The second seal arrangement is located between dividing plate (9) and the sharf (13); The 3rd seal arrangement is located between sharf (13) and the dividing plate (9).
6. blade type energy-recovery shock absorber according to claim 5 is characterized in that described three seal arrangements (16) are oil-sealing arrangement.
7. blade type energy-recovery shock absorber according to claim 1 is characterized in that described mechanical energy-storage device (12) is comprised of piston and spring and the adjustable mechanical energy-storage device of initial pressure.
8. blade type energy-recovery shock absorber according to claim 1 is characterized in that described generator (1) is the rare-earth permanent magnet brushless generator; Described oil hydraulic motor (3) is axial-piston hydraulic motor.
9. the application of the described blade type energy-recovery shock absorber of arbitrary claim in the claim 1 to 8, it is characterized in that this application of blade type energy-recovery shock absorber in the endless-track vehicle suspension system, when endless-track vehicle travels, it is in the acceleration and deceleration of jolting and comprising vehicle on road surface, steering operation can cause producing between suspension system spring carried mass and the nonspring carried mass energy of Relative Vibration, substitute traditional vane damper realization to active or half ACTIVE CONTROL of described suspension system by described blade type energy-recovery shock absorber, and damping force is provided and recycles this energy.
10. the according to claim 9 application of described blade type energy-recovery shock absorber, the reaction force that it is characterized in that being the counterelectromotive force that produces when the required damping force of this vibration damper is mainly worked by generator (1) provides, by active or half ACTIVE CONTROL of control generator (1) load realization to described damping force, and will be transformed into constant flow of pressurized driving oil hydraulic motor (3) rotation of direction by suspension system spring carried mass and the straight line motion between the nonspring carried mass that the ground injustice causes, drive generator (1) generating by oil hydraulic motor (3), recycled thereby vibration mechanical energy is converted into electric energy.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210413740.9A CN102926956B (en) | 2012-10-26 | 2012-10-26 | Blade-type energy recovery shock absorber |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210413740.9A CN102926956B (en) | 2012-10-26 | 2012-10-26 | Blade-type energy recovery shock absorber |
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| CN102926956B CN102926956B (en) | 2015-02-04 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423370A (en) * | 2013-08-19 | 2013-12-04 | 苏州市胜能弹簧五金制品有限公司 | 360-degree spherical multidirectional buffer |
| CN103423360A (en) * | 2013-08-12 | 2013-12-04 | 江苏大学 | Double-impeller type energy-saving shock absorber |
| CN103557263A (en) * | 2013-10-09 | 2014-02-05 | 北京理工大学 | Vane type damper with damping characteristics relevant to displacement |
| CN105201738A (en) * | 2015-09-30 | 2015-12-30 | 重庆工商大学 | Motor-type hydraulic power generation device |
| CN109723615A (en) * | 2018-11-13 | 2019-05-07 | 中国北方车辆研究所 | A kind of energy recycle device for vehicle |
| CN110667364A (en) * | 2019-09-18 | 2020-01-10 | 阿尔特汽车技术股份有限公司 | Suspension system with energy recovery device |
| CN112096775A (en) * | 2020-09-23 | 2020-12-18 | 同济大学 | Constant-pressure piston type particle damper |
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| CN1370926A (en) * | 2002-02-01 | 2002-09-25 | 张玉森 | Electrically driven vehicle device to collecting vibration-reducing energy and converting inti electric energy and its method |
| US20110309636A1 (en) * | 2009-09-28 | 2011-12-22 | Rassoul Mollaie | Urgency generator and machine charging system |
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2012
- 2012-10-26 CN CN201210413740.9A patent/CN102926956B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1370926A (en) * | 2002-02-01 | 2002-09-25 | 张玉森 | Electrically driven vehicle device to collecting vibration-reducing energy and converting inti electric energy and its method |
| US20110309636A1 (en) * | 2009-09-28 | 2011-12-22 | Rassoul Mollaie | Urgency generator and machine charging system |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423360A (en) * | 2013-08-12 | 2013-12-04 | 江苏大学 | Double-impeller type energy-saving shock absorber |
| CN103423360B (en) * | 2013-08-12 | 2015-08-05 | 江苏大学 | A kind of Double-impeller type energy-saving vibration-reduction device |
| CN103423370A (en) * | 2013-08-19 | 2013-12-04 | 苏州市胜能弹簧五金制品有限公司 | 360-degree spherical multidirectional buffer |
| CN103557263A (en) * | 2013-10-09 | 2014-02-05 | 北京理工大学 | Vane type damper with damping characteristics relevant to displacement |
| CN105201738A (en) * | 2015-09-30 | 2015-12-30 | 重庆工商大学 | Motor-type hydraulic power generation device |
| CN109723615A (en) * | 2018-11-13 | 2019-05-07 | 中国北方车辆研究所 | A kind of energy recycle device for vehicle |
| CN109723615B (en) * | 2018-11-13 | 2022-12-06 | 中国北方车辆研究所 | Energy recovery device for vehicle |
| CN110667364A (en) * | 2019-09-18 | 2020-01-10 | 阿尔特汽车技术股份有限公司 | Suspension system with energy recovery device |
| CN110667364B (en) * | 2019-09-18 | 2024-05-14 | 阿尔特汽车技术股份有限公司 | Suspension system with energy recovery device |
| CN112096775A (en) * | 2020-09-23 | 2020-12-18 | 同济大学 | Constant-pressure piston type particle damper |
| CN112096775B (en) * | 2020-09-23 | 2021-09-03 | 同济大学 | Constant-pressure piston type particle damper |
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