CN106838116A - A kind of recyclable engine rubber suspension device of vibrational energy - Google Patents
A kind of recyclable engine rubber suspension device of vibrational energy Download PDFInfo
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- CN106838116A CN106838116A CN201710033895.2A CN201710033895A CN106838116A CN 106838116 A CN106838116 A CN 106838116A CN 201710033895 A CN201710033895 A CN 201710033895A CN 106838116 A CN106838116 A CN 106838116A
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- rubber suspension
- metallic plate
- piezoelectric
- engine rubber
- vibrational energy
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 43
- 239000005060 rubber Substances 0.000 title claims abstract description 43
- 239000000725 suspension Substances 0.000 title claims abstract description 32
- 239000003990 capacitor Substances 0.000 claims abstract description 26
- 238000004146 energy storage Methods 0.000 claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 238000013016 damping Methods 0.000 claims description 13
- 230000005611 electricity Effects 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 239000010720 hydraulic oil Substances 0.000 claims description 5
- 230000035939 shock Effects 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000001172 regenerating effect Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000026683 transduction Effects 0.000 description 1
- 238000010361 transduction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/186—Vibration harvesters
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention provides a kind of recyclable engine rubber suspension device of vibrational energy, including engine rubber suspension, power-converting device, energy storage device, vehicle-mounted electrical equipment.Engine rubber suspension sends the alternating current of generation to power-converting device, and into direct current be stored in energy storage device AC rectification by power-converting device, and vehicle-mounted electrical equipment is connected acquisition electric energy with energy storage device.The power-converting device, including piezoelectric patches Open Output Voltage amplifier section, full-bridge rectification part and buck/boost conversion portion.Piezoelectric patches Open Output Voltage amplifier section includes inductance L1 and switch S1, for the alternating current that amplifying piezo-electric element is produced.Full-bridge rectification part, including four diodes, direct current is converted into by the alternating current that piezoelectric element is produced.Buck/boost conversion portion, including charging capacitor Cint, switch S2, inductance L2, diode D5 and storage capacitor Cs immediately, requirements are adjusted to by the voltage and current that full-bridge rectification part exports.
Description
Technical field
The present invention relates to field of energy-saving technology, the recyclable engine rubber suspension dress of more particularly to a kind of vibrational energy
Put.
Background technology
Fast development and the increasingly depleted of petroleum resources with auto industry, energy source of car consumption problem are increasingly becoming people
The problem paid close attention to, how to reduce energy source of car focus of the consumption as various countries' research.The automobile in automobile energy-saving technology field shakes
Energy is reclaimed, with good value and feasibility.The traveling process of automobile is all the time along with shaking from various aspects
Dynamic, in the absence of the vehicle without vibration, maximum vibration source is mainly engine and tire in automobile.
The research of automobile vibrational energy recovery technology is broadly divided into three types at present：(1) will be shaken using electromagnet transduction device
Dynamic mechanical energy is converted to the electromagnetic type of electric energy；(2) vibration mechanical energy is converted into the electrostatic of electric energy using electrostatic generator；
(3) vibration mechanical energy is converted to the piezoelectric type of electric energy using the piezo-electric effect of piezoelectric.With electrostatic and two kinds of electromagnetic type
Vibrational energy conversion regime is compared, and piezoelectric type energy retracting device can reach power density relatively higher.In addition, piezoelectric type
Energy recycle device is due to simple structure, it is easy to which the system integration makes it be more widely applied in practice in miniaturization.
At present, the vibration energy recovery device of automobile is applied on suspension mostly, for the vibration of automobile engine
Research in terms of energy regenerating is fewer.As the engine in one of Automobile Maximum vibration source, done repeatedly due to piston up and down
Move back and forth, generate inertia force and moment of torsion, be transferred to automobile chassis and produce vibration.In reciprocating engine, work is acted on
Combustion pressure beyond the Great Wall is convertible into rotary power.But, per up and down reciprocatingly twice, just there is primary combustion, this is just produced piston
Inertia force has been given birth to, impact shock has been caused.The present invention can be reclaimed to the vibrational energy of this part, to reducing automobile fuel consumption,
Exhaust emissions is reduced, comfortableness is improved and is had important practical significance.
The content of the invention
For Shortcomings in the prior art, the invention provides a kind of recyclable engine rubber suspension of vibrational energy
Device, it is simple structure, easy to install, the vibrational energy of automobile engine part can effectively be recycled.
The present invention is to realize above-mentioned technical purpose by following technological means.
The recyclable engine rubber suspension device of a kind of vibrational energy, it is characterised in that including engine rubber suspension,
Power-converting device, energy storage device, vehicle-mounted electrical equipment；Wherein, engine rubber suspension sends the alternating current of generation to electricity
Into direct current be stored in energy storage device AC rectification by force conversion system, power-converting device, vehicle-mounted electrical equipment with storage
Can device connection acquisition electric energy；Wherein, engine rubber suspension includes upper metallic plate, lower metallic plate, yielding rubber, piezoelectricity dress
Put；Yielding rubber is installed, the yielding rubber is hollow type cylinder, hollow position between the upper metallic plate and lower metallic plate
Piezo-electric device is installed；Wherein, power-converting device, including piezoelectric patches Open Output Voltage amplifier section, full-bridge rectification part
With buck/boost conversion portion, wherein energy storage device is load battery.
The piezo-electric device includes, damping spring, upper piston rod, hydraulic cylinder, wherein damping spring, upper piston rod and liquid
Cylinder pressure is co-axially mounted, and the upper end of damping spring is fixedly connected with upper metallic plate, and lower end is fixedly connected with the upper end of upper piston rod, on
Piston-rod lower end is placed in hydraulic cylinder.
The upper metallic plate and lower metallic plate can produce relative displacement, stretchable compression shock absorption rubber；The hydraulic pressure
Lower piston and piezoelectric element are housed in cylinder, hydraulic oil is full of between the upper piston rod lower end being placed in hydraulic cylinder and lower piston, under
The lower surface of piston is not fixed with the upper surface of piezoelectric element and contacts installation, and the lower surface of piezoelectric element is fixed with lower metallic plate and connected
Connect, lower piston compression piezoelectric element produces alternating current.
The piezoelectric patches Open Output Voltage amplifier section includes that inductance L1 and switch S1, inductance L1 and switch S1 series connection connect
Connect and be connected in series with electric energy output end of piezoelectric element, the alternating current that amplifying piezo-electric element is produced；The full-bridge rectification portion
It is divided into bridge circuit, including four diodes D1, D2, D3, D4, full-bridge rectification part and piezoelectric patches Open Output Voltage enlarging section
Electric energy output end for dividing is connected, and the alternating current that piezoelectric element is produced is converted into direct current；The buck/boost converter section
Point, including charging capacitor C immediatelyint, switch S2, inductance L2, diode D5 and storage capacitor Cs, the charging capacitor C immediatelyint
One end is connected with one end of switch S2, immediately charging capacitor CintThe other end one end, diode D5 respectively with inductance L2 just
It is extreme to be connected, switch the other end of the S2 other end respectively with inductance L2, one end of storage capacitor Cs and be connected, diode D5's bears
Pole is connected with the other end of storage capacitor Cs, and the voltage and current that full-bridge rectification part exports is adjusted into requirements, and supply is negative
Battery is carried, the voltage on load battery is VDC。
The hydraulic cylinder is a kind of up-narrow and down-wide closed bottle-shaped container, the narrower place in its upper end with diameter greater than upper piston rod
Diameter, the floor space of the floor space of upper piston rod much smaller than lower piston.
The piezoelectric element is the piezoelectric stack that multi-layer piezoelectric thin slice is together in parallel, and piezoelectric sheet uses material piezoelectric ceramics
PZT。
The beneficial effects of the present invention are：
1. the present invention is recycled using piezo-electric device to the vibrational energy that automobile engine is produced, and will perplex people
The vibrational energy of engine be converted into electric energy, used for vehicle-mounted electrical equipment, there is important reality for automotive energy-saving emission-reducing
Meaning.
2. upper metallic plate of the present invention and lower metallic plate are movable, compressible stretching yielding rubbers, are passed through
Vibrational energy is converted to electric energy by piezo-electric device.
3. the present invention adds damping spring in piezo-electric device, plays good cushioning effect, prevents fierce impact
When upper and lower metallic plate between the excessive damage piezoelectric element of compression distance.
4. power-converting device of the present invention uses synchro switch energy regenerating DSSH technical interface circuits twice, i.e.,
Different controls are realized by controlling switch S1 and switch S2, compared with standard interface circuit maximum regeneration power, regenerative power
500% can be improved.
5. the present invention has wide range of applications, and is not limited solely to the recovery of automobile engine vibrational energy, it may also be used for ship
Etc. the vibration energy regeneration of various engine.In addition, the present invention also acts as body of a motor car suspension or automobile cab suspension,
Vibration isolation effect can be not only played, the vibrational energy of body of a motor car or automobile cab can also be reclaimed.
Brief description of the drawings
Fig. 1 is a kind of workflow schematic diagram of the recyclable engine rubber suspension device of vibrational energy of the invention
Fig. 2 is a kind of piezo-electric device structural representation of the recyclable engine rubber suspension device of vibrational energy of the invention
Fig. 3 is a kind of power-converting device schematic diagram of the recyclable engine rubber suspension device of vibrational energy of the invention
In figure：
1st, damping spring, 2, upper piston rod, 3, hydraulic cylinder, 4, lower piston, 5, piezoelectric element, 6, yielding rubber, 7, upper gold
Category plate, 8, lower metallic plate, 9, piezo-electric device, inductance L1 switchs S1, diode D1, diode D2, diode D3, diode D4,
Charging capacitor C immediatelyint, switch S2, inductance L2, diode D5, storage capacitor Cs, load cell voltage VDC
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is further illustrated, but protection scope of the present invention is simultaneously
Not limited to this.
From Fig. 1 and Fig. 2, a kind of recyclable engine rubber suspension device of vibrational energy, it is characterised in that including
Engine rubber suspension, power-converting device, energy storage device, vehicle-mounted electrical equipment；Wherein, engine rubber suspension is arranged on vapour
Between car engine and vehicle frame, the vibrational energy of automobile engine is converted into alternating current and power-converting device is sent to, electricity
Into direct current be stored in energy storage device AC rectification by force conversion system, vehicle-mounted electrical equipment be connected with energy storage device so as to
Obtain electric energy；Wherein, engine rubber suspension includes upper metallic plate 7, lower metallic plate 8, yielding rubber 6, piezo-electric device 9.
Yielding rubber 6 is installed, the yielding rubber 6 is hollow circular between the upper metallic plate 7 and lower metallic plate 8
Post, hollow position is provided with piezo-electric device 9；Wherein, power-converting device, including piezoelectric patches Open Output Voltage amplifier section,
Full-bridge rectification part and buck/boost conversion portion, wherein energy storage device are load battery.
The piezo-electric device 9 includes, damping spring 1, upper piston rod 2, hydraulic cylinder 3, wherein damping spring 1, upper piston rod
2 and hydraulic cylinder 3 be co-axially mounted, the upper end of damping spring 1 is fixedly connected with upper metallic plate 7, the upper end of lower end and upper piston rod 2
It is fixedly connected, the lower end of upper piston rod 2 is placed in hydraulic cylinder 3；The upper metallic plate 7 and lower metallic plate 8 can produce relative displacement,
Stretchable compression shock absorption rubber 6；Lower piston 4 and piezoelectric element 5, the upper work being placed in hydraulic cylinder 3 are housed in the hydraulic cylinder 3
Hydraulic oil is full of between the lower end of stopper rod 2 and lower piston 4, the lower surface of lower piston 4 is not fixed with the upper surface of piezoelectric element 5 and contacted
Install, the lower surface of piezoelectric element 5 is fixedly connected with lower metallic plate 8.When automobile engine produces vibration, metallic plate in promotion
7 and lower metallic plate 8 move up and down, compress or stretch damping spring 1, damping spring 1 pulls upper piston rod 2 to move up and down, upper work
Stopper rod 2 transfers force to lower piston 4 by the hydraulic oil in hydraulic cylinder 3.According to pascal's principle, the floor space of upper piston rod 2
Much smaller than the floor space of lower piston 4, so as to be subject to the power formed from car engine machine vibration to pass through hydraulic pressure on upper piston rod 2
Hydraulic oil in cylinder 3 amplifies by a certain percentage, generates a power for new amplification, is applied on lower piston 4, makes lower piston 4
Piezoelectric element 5 is directly extruded, alternating current is produced.
As shown in figure 3, piezoelectric patches Open Output Voltage amplifier section includes inductance L1 and switch S1, inductance L1 and switch S1
It is connected in series and is connected in series with electric energy output end of piezoelectric element 5, the alternating current that amplifying piezo-electric element 5 is produced；It is described complete
Bridge rectifying part is bridge circuit, including four diodes D1, D2, D3, D4, full-bridge rectification part and piezoelectric patches open circuit output electricity
Press most electric energy output end to be connected, the alternating current that piezoelectric element 5 is produced is converted into direct current；The step-down/liter
Pressure conversion portion, including charging capacitor C immediatelyint, switch S2, inductance L2, diode D5 and storage capacitor Cs, it is described to fill immediately
Electric capacity CintOne end is connected with one end of switch S2, immediately charging capacitor CintOther end one end, two respectively with inductance L2
The positive terminal of pole pipe D5 is connected, and switchs the other end of the S2 other end respectively with inductance L2, one end of storage capacitor Cs and is connected, and two
The negative pole of pole pipe D5 is connected with the other end of storage capacitor Cs, and the voltage and current that full-bridge rectification part exports is adjusted into demand
Value, supply load battery, the voltage on load battery is VDC。
Within one most of the time of vibration period of automobile engine, piezoelectric element 5 keeps open circuit, while step-down/liter
Pressure conversion portion does not also work, that is, switch S1 and S2 and keep open circuit.When the voltage on piezoelectric element 5 is with car engine machine vibration
It is displaced to during up to extreme value, switch S1 closes a bit of time, at this moment, piezoelectric element 5, switch S1, inductance L1, four diode D1
Charging capacitor C immediatelyintA LC oscillation circuit is constituted, a part of electric energy on piezoelectric element 5 just passes through this circuit transmission
To charging capacitor C immediatelyintOn, so as to the alternating current that piezoelectric element 5 is exported is converted into direct current.After the completion of energy transfer,
It is transferred to charging capacitor C immediatelyintOn electric energy reach maximum, when the electric current in loop is zero, switch S1 disconnect immediately simultaneously
And switch S2 closures.Now charging capacitor C immediatelyintOn electric energy transfer to inductance L2, until the electric energy on inductance L2 reaches most
Big value, switch S2 disconnects.Hereafter adjusted voltage and current is supplied car by the electric energy transfer on inductance L2 on storage capacitor Cs
Electrical equipment is carried to use.Power-converting device needs a DSP control system for extraneous power supply, and energy storage device is load battery,
The electric energy output end for loading battery can be connected with vehicle-mounted electrical equipment, and vehicle-mounted electrical equipment is powered.The present invention uses electricity
Be stored in AC rectification transformation in load battery by force conversion system, is used for vehicle-mounted electrical equipment, realizes to reclaiming electricity
Effective utilization of energy.
Preferred embodiment but the present invention is not limited to above-mentioned implementation method to the embodiment for of the invention, not
In the case of substance of the invention, any conspicuously improved, replacement that those skilled in the art can make
Or modification belongs to protection scope of the present invention.
Claims (8)
1. the recyclable engine rubber suspension device of a kind of vibrational energy, it is characterised in that including engine rubber suspension, electricity
Force conversion system, energy storage device, vehicle-mounted electrical equipment；
Wherein, engine rubber suspension sends the alternating current of generation to power-converting device, and power-converting device is by alternating current
It is rectified into direct current to be stored in energy storage device, vehicle-mounted electrical equipment is connected acquisition electric energy with energy storage device；
Wherein, engine rubber suspension includes upper metallic plate (7), lower metallic plate (8), yielding rubber (6), piezo-electric device (9)；Institute
State and yielding rubber (6) be installed between metallic plate (7) and lower metallic plate (8), the yielding rubber (6) is hollow type cylinder,
Hollow position is provided with piezo-electric device (9)；
The power-converting device, piezoelectric patches Open Output Voltage amplifier section, full-bridge rectification part and buck/boost converter section
Divide to be sequentially connected and connect.
2. the recyclable engine rubber suspension device of a kind of vibrational energy according to claim 1, it is characterised in that described
Piezo-electric device (9) includes, damping spring (1), upper piston rod (2), hydraulic cylinder (3), wherein damping spring (1), upper piston rod
(2) it is co-axially mounted with hydraulic cylinder (3), the upper end of damping spring (1) is fixedly connected with upper metallic plate (7), lower end and upper piston rod
(2) upper end is fixedly connected, and upper piston rod (2) lower end is placed in hydraulic cylinder (3)；
Lower piston (4) and piezoelectric element (5) are housed, under the upper piston rod (2) being placed in hydraulic cylinder (3) in the hydraulic cylinder (3)
Hydraulic oil is full of between end and lower piston (4), the lower surface of lower piston (4) is not fixed with the upper surface of piezoelectric element (5) and contacted
Install, the lower surface of piezoelectric element (5) is fixedly connected with lower metallic plate (8), lower piston (4) compresses piezoelectric element (5), produce friendship
Stream electricity.
3. the recyclable engine rubber suspension device of a kind of vibrational energy according to claim 1, it is characterised in that described
Energy storage device is load battery.
4. the recyclable engine rubber suspension device of a kind of vibrational energy according to claim 1, it is characterised in that described
Piezoelectric patches Open Output Voltage amplifier section includes that inductance L1 and switch S1, inductance L1 and switch S1 are connected in series and first with piezoelectricity
Electric energy output end of part (5) is connected in series, the alternating current V that amplifying piezo-electric element (5) is produced；The full-bridge rectification part is bridge
The electricity of formula circuit, including four diodes D1, D2, D3, D4, full-bridge rectification part and piezoelectric patches Open Output Voltage amplifier section
Energy lead-out terminal is connected, and the alternating current that piezoelectric element (5) is produced is converted into direct current；The buck/boost conversion portion, bag
Include charging capacitor C immediatelyint, switch S2, inductance L2, diode D5 and storage capacitor Cs, the charging capacitor C immediatelyintOne end
One end with switch S2 is connected, immediately charging capacitor CintOther end one end, the positive terminal of diode D5 respectively with inductance L2
Be connected, switch the other end other end respectively with inductance L2 of S2, one end of storage capacitor Cs and be connected, the negative pole of diode D5 and
The other end of storage capacitor Cs is connected, and the voltage and current that full-bridge rectification part exports is adjusted into requirements, supply load electricity
Pond, the voltage on load battery is VDC。
5. the recyclable engine rubber suspension device of a kind of vibrational energy according to claim 2, it is characterised in that described
Hydraulic cylinder (3) is a kind of up-narrow and down-wide closed bottle-shaped container, the narrower place in its upper end it is straight with diameter greater than upper piston rod (2)
Footpath.
6. the recyclable engine rubber suspension device of a kind of vibrational energy according to claim 2, it is characterised in that described
Floor space of the floor space of upper piston rod (2) much smaller than lower piston (4).
7. the recyclable engine rubber suspension device of a kind of vibrational energy according to claim 2, it is characterised in that described
The piezoelectric stack that piezoelectric element (5) is together in parallel for multi-layer piezoelectric thin slice, piezoelectric sheet uses material piezoelectric ceramics PZT.
8. the recyclable engine rubber suspension device of a kind of vibrational energy according to claim 1, it is characterised in that described
Upper metallic plate (7) and lower metallic plate (8) can produce relative displacement, stretchable compression shock absorption rubber (6).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710033895.2A CN106838116A (en) | 2017-01-17 | 2017-01-17 | A kind of recyclable engine rubber suspension device of vibrational energy |
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| CN201710033895.2A CN106838116A (en) | 2017-01-17 | 2017-01-17 | A kind of recyclable engine rubber suspension device of vibrational energy |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107187308A (en) * | 2017-07-17 | 2017-09-22 | 湖北三环专用汽车有限公司 | A kind of system for being used to optimize commercial vehicle engine vibration characteristics |
| CN108482094A (en) * | 2018-05-14 | 2018-09-04 | 合肥工业大学 | A kind of rubber mounting with energy recovery function and variable rigidity |
| CN109667879A (en) * | 2017-10-16 | 2019-04-23 | 天津市信霖塑料制品有限公司 | A kind of Dual high-efficiency damping device for automobile engine |
| CN110106331A (en) * | 2019-04-28 | 2019-08-09 | 江苏大学 | The micro-inner-hole surface peening system of position adjustable |
| CN112065919A (en) * | 2020-09-09 | 2020-12-11 | 海南大学 | Friction energy recovery vibration absorber with inner and outer double-layer vibration absorbing structure |
| CN112260380A (en) * | 2020-10-13 | 2021-01-22 | 浙江工业大学 | Environmental energy acquisition and management system suitable for wireless sensing node |
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| CN113335041A (en) * | 2021-07-07 | 2021-09-03 | 奇瑞新能源汽车股份有限公司 | Motor suspension device of pure electric vehicle and energy recovery method thereof |
| CN113489371A (en) * | 2021-06-29 | 2021-10-08 | 中车青岛四方车辆研究所有限公司 | Energy feedback type rubber node, design method and device and electronic equipment |
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Application publication date: 20170613 |