CN108560436A - A kind of micro-structure energy regenerating deceleration strip based on piezoelectric effect - Google Patents
A kind of micro-structure energy regenerating deceleration strip based on piezoelectric effect Download PDFInfo
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- CN108560436A CN108560436A CN201810398128.6A CN201810398128A CN108560436A CN 108560436 A CN108560436 A CN 108560436A CN 201810398128 A CN201810398128 A CN 201810398128A CN 108560436 A CN108560436 A CN 108560436A
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- deceleration strip
- cantilever beam
- deceleration
- piezoelectric
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- 230000000694 effects Effects 0.000 title claims abstract description 22
- 230000001172 regenerating effect Effects 0.000 title claims abstract description 11
- 230000001413 cellular effect Effects 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000010146 3D printing Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 239000013078 crystal Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000009527 percussion Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 206010061245 Internal injury Diseases 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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- 230000007774 longterm Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
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- 238000005381 potential energy Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
- E01F9/529—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users specially adapted for signalling by sound or vibrations, e.g. rumble strips; specially adapted for enforcing reduced speed, e.g. speed bumps
-
- 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
-
- 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
Abstract
The present invention provides a kind of micro-structure energy regenerating deceleration strip based on piezoelectric effect, including deceleration band body, micro-structure filling component, high-strength rubber block, cantilever beam piezoelectric vibrators and energy capture circuit；Deceleration band body section is trapezoidal, and deceleration band body is internally provided with micro-structure filling component, high-strength rubber block, cantilever beam piezoelectric vibrators and energy capture circuit；The X-shaped indent micro-structure cellular that micro-structure filling component is arranged by three-dimensional lattice is constituted；High-strength rubber block is arranged in the fixation for deceleration strip and ground and cantilever beam piezoelectric vibrators at deceleration band body slope；Cantilever beam piezoelectric vibrators include middle spring pole plate, and the piezoelectric patches and front end lumped mass block of both sides, piezoelectric patches, which is connected on central elastic pole plate, to be formed bimorph piezo electric structure and realized by conducting wire in parallel；Cantilever beam piezoelectric vibrators are that multiple identical structures are evenly spaced apart to be distributed on deceleration strip length direction and be connected in parallel in practical applications；Energy capture circuit is embedded in high-strength rubber block.
Description
Technical field
The invention belongs to traffic safety facilities technical fields, more specifically to a kind of based on the micro- of piezoelectric effect
Structural energy recycles deceleration strip.
Background technology
Deceleration strip be it is a kind of being slightly raised in road surface to realize the novel traffic Special safety device of vehicle deceleration, generally set
It sets and needs vehicle deceleration to go slowly in toll station, school, residential quarters and industrial and mining enterprises' entrance etc. easily to send out with traffic accident
Section.With the continuous improvement of people's living standards, the continuous promotion of car ownership, traffic safety problem is increasingly serious, and
The accident that the presence of deceleration strip largely reduces each traffic main artery mouthful occurs.
The forms such as existing deceleration strip, including cement boss, steel and rubber system, although it is worldwide extensive
Ground application, and it can be effectively reduced running speed, but it easily causes problems with：Make due to hindering when vehicle passes through deceleration strip
With will produce noise pollution, the quality of life in the regions such as cell, school is largely affected；Vehicle high-speed passes through deceleration strip
When not only vehicle is caused to jolt, riding comfort reduce, more seriously, the collision of deceleration strip and vehicle if things go on like this can be right
The components such as vehicle suspension cause to damage, and gently then hang internal injury, and four-wheel aligner wanders off, and heavy then coup injury tire is even blown out.
Much the prior arts all attempt to improve by geometric parameter design deceleration, are dropped by deceleration strip associated mechanical structure design
Low vehicle jolts degree, improves riding comfort, and the document of Chinese invention patent Publication No. 201711271731.X discloses
A kind of novel single retarded band convenient for vibration damping, the side of deceleration strip are attached by shaft and mounting plate, post upper
It is provided with the T-type sliding block being slidably matched with T-type sliding slot, lower end is provided with spring, and the other end of spring and setting are in mounting groove
The seat board of bottom is attached, which can reduce deceleration strip and be vibrated caused by vehicle, improves comfort.But since it is needed
In underground, arrangement is cumbersome, though and its can reduce the degree of jolting, since the noise for generation of colliding, rub can not obtain
To effectively decaying.
Compared with the size design of deceleration strip, vehicle passes through the energy problem to dissipate when deceleration strip and is then concerned less.
Vehicle by deceleration strip when, collision can be undergone, climb, decline and land several processes, in this process, due to impact with
The change of vehicle weight potential energy can waste many energy.With the increasingly raising of energy-saving and emission-reduction requirement, people turn to sight
This energy.The document of Chinese invention patent Publication No. CN105508161A discloses a kind of energy regenerating deceleration strip, it is logical
Cross the recycling that geared machine structure realizes energy.That there are gear pairs is complicated for this structure, and long-term reciprocal loss is serious
And the problem that generating efficiency is not high.Also pertinent literature proposes the mode of hydraulic system power generation and piezo-electric generating, but above-mentioned
That there are devices is excessive for the technical solution that document is previously mentioned, complicated and need to be in underground, the problems such as waterproof is difficult.
Therefore, it is simple that a kind of structure innovation, arrangement how to be provided, and noise pollution can be effectively reduced and improved comfortable
Property, and it is those skilled in the art's urgent problem to be solved to have both the Novel deceleration strip to recover energy.
Invention content
For structure of the existing technology and underground are complicated, vibration noise cannot be decayed well and energy
The problems such as retracting device volume is big, efficiency is low.The object of the present invention is to provide a kind of, and the micro-structure energy based on piezoelectric effect returns
Deceleration strip is received, under the premise of not influencing function, reduces vibration noise, improves comfort, and utilize efficient piezoelectricity way of recycling
It recovers energy, to ambient signal lamp or alarming device.
The object of the present invention is achieved like this：A kind of micro-structure energy regenerating deceleration strip based on piezoelectric effect, including
Deceleration band body, micro-structure filling component, high-strength rubber block, cantilever beam piezoelectric vibrators and energy capture circuit.The deceleration strip
This body section is trapezoidal, is made of upper and lower surface and slope, and both ends are symmetrically installed, and the deceleration band body is internally provided with
Micro-structure filling component, high-strength rubber block, cantilever beam piezoelectric vibrators and energy capture circuit；The micro-structure filling component by
The X-shaped indent micro-structure cellular of three-dimensional lattice arrangement is constituted, and is mutually interconnected with deceleration band body upper and lower surface and part slope
It connects；The high-strength rubber block is arranged at deceleration band body slope, and one end is used for the connection of deceleration strip and ground, the other end
For cantilever mounted beam piezoelectric vibrator；The cantilever beam piezoelectric vibrators include middle spring pole plate, the piezoelectric patches of both sides and preceding
Lumped mass block is held, is realized and is connected by installation groove and micro-structure filling component；The piezoelectric patches is connected to central elastic
Bimorph piezo electric structure is formed on pole plate, and parallel connection is realized by conducting wire；The cantilever beam piezoelectric vibrators are more in practical applications
A identical structure is evenly spaced apart to be distributed on deceleration strip length direction, and realizes the parallel connection of circuit structure, the end of circuit structure
End is connected to by being arranged in high-strength rubber conducting wire in the block on energy capture circuit；The energy capture circuit is embedded in high-strength
In rubber block.
Preferably, the deceleration strip body surface covering is all made of rubber material.
Preferably, the X-shaped indent micro-structure cellular is uniformly and symmetrically distributed.
Preferably, the micro-structure filling component is made using 3D printing increasing material manufacturing technique.
A kind of micro-structure energy regenerating deceleration strip based on piezoelectric effect provided by the present invention, in practical application, subtracting
Speed belt slope first passes through wheel shock, and slope and high-strength rubber block, which play it, reduces travel speed and the vibration that decays
Effect.When automotive wheel continues to move ahead, impacts the micro-structure being made of X-shaped indent micro-structure cellular inside deceleration strip and fill out
Component is filled, which can play decaying vibration in the elastic range under percussion along vertical direction low-frequency vibration
Effect.Simultaneously because the X-shaped indent micro-structure cellular that the component is special, not only so that space is full of gap, but also is similar to
The property of phonon crystal, hits and the noise of friction generation can be absorbed and be decayed by the effect spread, resonated wherein.
Under the effect of vibration of micro-structure filling component, cantilever beam piezoelectric vibrators can also follow vibration, drive the double of both sides piezoelectric patches composition
Brilliant piezoelectric structure generates electric current.At the same time other than forced vibration, due to cantilever beam piezoelectric vibrators front end lumped mass block
In the presence of, after external forces disappear, also can the lumped mass effect under have a degree of free vibration, to become
Bimorph piezo electric structure generates second driving source of electric current.The electric energy that the bimorph piezo electric structure of both sides piezoelectric patches composition generates passes through
High efficiency energy capture circuit is recovered.When wheel falls and lands, due to the trapezoidal symmetrical structure of deceleration strip, operation principle with
Aforementioned consistent, trailing wheel is also such by the process of deceleration strip.
Technical solution of the present invention has the advantages that：
（1）, the present invention due to using the above structure, can be advanced by slope, high-strength rubber block and micro-structure filling component
Row reduces speed and decaying is vibrated；
（2）, the present invention using fine structure material sound absorption characteristics can effectively sound-absorbing reduce noise pollution, at the same time, by with
The piezoelectric vibrator forced vibration and free vibration of microstructure brazing drive piezoelectric patches to produce electricl energy, and are recycled, and realize
Energy-saving effect.
（3）, the present invention deceleration strip on the basis of reducing structure complexity, realize reduction of speed, vibration damping, sqouynd absorption lowering noise and
The integration of energy recovery function.
Description of the drawings
Fig. 1 is a kind of deceleration strip overall structure diagram that specific embodiment is provided of the present invention；
Fig. 2 is X-shaped indent micro-structure cellular stereoscopic schematic diagram inside a kind of deceleration strip that specific embodiment is provided of the present invention；
Fig. 3 be in Fig. 2 X-shaped indent micro-structure cellular A to projection view；
Fig. 4 is X-shaped indent micro-structure cellular spatial arrangement signal inside a kind of deceleration strip that specific embodiment is provided of the present invention
Figure；
Fig. 5 is that cantilever beam piezoelectric vibrators front end connect partial enlargement signal with X-shaped indent micro-structure cellular at B in Fig. 1 of the present invention
Figure；
Fig. 6 is cantilever beam piezoelectric vibrators structural schematic diagram inside a kind of deceleration strip that specific embodiment is provided of the present invention；
Fig. 7 is the vertical view of the middle spring pole plate of cantilever beam piezoelectric vibrators in cantilever beam piezoelectric vibrators structural schematic diagram in Fig. 6；
Fig. 8 is connected in parallel signal for all cantilever beam piezoelectric vibrators inside a kind of deceleration strip that specific embodiment is provided of the present invention
Figure；
Fig. 9 captures circuit diagram for a kind of deceleration strip internal energy that specific embodiment is provided of the present invention.
Number is respectively in figure：1, work wheel, 2, deceleration band body, 3, micro-structure filling component, 4, expansion bolt peace
Fill hole, 5, high-strength rubber block, 6, cantilever beam piezoelectric vibrators, 7, installation groove, 8, central elastic pole plate, 9, lumped mass block, 10,
Piezoelectric patches, 11, energy capture circuit.
Specific implementation mode
As shown in figs 1-9：A kind of specific embodiment of the present invention provides a kind of micro-structure energy based on piezoelectric effect
Deceleration strip is recycled, which includes deceleration band body 2, micro-structure filling component 3, high-strength rubber block 5, cantilever beam piezoelectric vibrators
6, energy recovering circuit 11；2 section of deceleration band body is trapezoidal, and both sides are symmetrical, are divided into upper and lower surface and slope, up and down
Surface and slope covering are all made of the General Purpose Rubber with cost advantage and are fabricated；The internal microstructure of deceleration band body 2
Filling component 3 is uniformly filled between upper and lower surface, with upper and lower surface and slope by bonding connection, in order to avoid it is influenced
Effective vibration of cantilever beam piezoelectric vibrators 6, around cantilever beam piezoelectric vibrators 6,3 appropriate sparse distribution of micro-structure filling component.
The X-shaped indent micro-structure cellular that the micro-structure filling component 3 is arranged by three-dimensional lattice is constituted, the micro- knot of X-shaped indent
Constitutive element born of the same parents as shown in Fig. 2, its A to projection as shown in figure 3, its three-dimensional arrangement is as shown in Figure 4.
Wherein, the micro-structure filling component 3 being made of X-shaped indent micro-structure cellular has a negative poisson's ratio characteristic, i.e., by
To central concave after pressure, which is conducive to decaying vibration and absorbing sound and lowering noise.Simultaneously as X-shaped indent micro-structure cellular is in
Reveal a kind of body-centred cubic structure of square, when being made of the material of different component, there is certain phonon crystal characteristic,
Noise spreads in gap, resonates and decays, to realize effectively noise reduction.The internal microstructure filling component 3 is beaten using 3D
Print increases material manufacturing technology is made.
The high-strength rubber block 5 is mounted in deceleration band body 2 at slope, inside have expansion bolt mounting hole 4, use
To install expansion bolt, to which deceleration strip and ground be fixed.
The cantilever beam piezoelectric vibrators 6 are fixed among high-strength rubber block 5 comprising central elastic pole plate 8, lumped mass
Block 9 and the piezoelectric patches of both sides 10.Piezoelectric patches 10 is constituted into twin crystal pressure with conductive adhesive in the both sides up and down of central elastic pole plate 8
Electric structure, lumped mass block 9 are fixed on the front end of cantilever beam piezoelectric vibrators 6.Entire cantilever beam piezoelectric vibrators 6 pass through installation groove
7 realize with micro-structural components 3 and connect, and body vibration are formed, to the first driving source as its vibration, specifically cantilever beam
The front end of piezoelectric vibrator 6 with X-shaped indent micro-structure cellular by the connection of installation groove 7, as shown in figure 5, Fig. 5 is B in Fig. 1
Partial enlargement at label.
Wherein, 10 shape of piezoelectric patches is rectangle or trapezoidal, selects PZT/PVDF composite materials, which overcome piezoelectric ceramics
Material fragility is high, the disadvantage of fatigue durability difference and with cost advantage.Output in order to increase piezoelectric patches 10 strains size,
Generating efficiency is improved, 6 fixing end vicinity of cantilever beam piezoelectric vibrators should be pasted on as possible.
Wherein, central elastic pole plate 8 selects the trapezoidal beam of uniform strength, shape as shown in Figure 7.The beam of uniform strength is one kind in stress
Larger part uses larger cross-section, and the girder construction of small cross sections is used in stress smaller part.On this each cross section of non-uniform beam
Maximum stress is all equal, and is equal to allowable stress.It can not only save material, moreover it is possible to improve answering for piezoelectric patches to a certain extent
Become size, to improve its power generation performance.
Wherein, lumped mass block 9 can make cantilever beam piezoelectric vibrators 6 generate certain free vibration, as its vibration hair
Second driving source of electricity.And the presence of lumped mass block 9 advantageously reduces the vibration frequency of cantilever beam piezoelectric vibrators 6, to
Vibration frequency when being hit with work wheel 1 matches, and piezoelectric patches 10 is made to be in the best power generation operation range close to resonance.
The bimorph piezo electric structure that both sides piezoelectric patches 10 in the cantilever beam piezoelectric vibrators 6 forms passes through conducting wire parallel connection side
Formula connects, conductor connections as shown in Figure 6.Multiple cantilever beam piezoelectric vibrators are evenly spaced apart to be distributed in deceleration strip length direction
On, it finally uses the conducting wire among being interspersed in high-strength rubber fast 5 to be connected with each other, forms parallel-connection structure as shown in Figure 8, will finally lead
Line accesses energy capture circuit 11.
The energy capture circuit 11 is fixed among high-strength rubber fast 5, is placed in the side of deceleration strip length direction.It should
Energy capture circuit 11 uses vibration energy regeneration circuit low-power chip LTC3588-1, uses integrated low loss all-wave
Bridge rectifier possesses 2.7V -20V input voltage working ranges, can be collected well to multiple cantilever beam piezoelectric vibrators 6
To electric current carry out rectification, filtering and voltage stabilizing and carry out the output of adjustable voltage.Circuit is captured using the high efficiency energy of the chip
Overall structure is as shown in Figure 9.
A kind of micro-structure energy regenerating deceleration strip based on piezoelectric effect that the embodiment of the present invention is provided, in practical application
When operation principle be：
When work wheel 1 is by deceleration strip, impact the slope and high-strength rubber block 5 of deceleration band body 2 first, slope and
High-strength rubber block 5 plays the role of reducing travel speed to it and decaying is vibrated.When work wheel 1 continues to move ahead, impact
To 2 internal microstructure filling component 3 of deceleration band body, which, can be along Vertical Square in the elastic range under percussion
To low-frequency vibration, play the role of decaying vibration.Simultaneously because the X-shaped indent micro-structure member that the micro-structure filling component 3 is special
Born of the same parents' three-dimensional lattice arranges, and possesses many gaps and has the property similar to phonon crystal, hits and noise that friction generates can be
Wherein is absorbed and decayed by the effect spread, resonated.Under the effect of vibration of micro-structure filling component 3, cantilever beam piezoelectricity
Oscillator 6 can also follow its forced vibration, the bimorph piezo electric structural vibration power generation for driving piezoelectric patches 10 to form, in addition to forced vibration
Outside, when without outer force effect, the lumped mass block 9 of 6 front end of cantilever beam piezoelectric vibrators also can drive it to have certain free vibration,
Bimorph piezo electric structure to be formed as piezoelectric patches 10 generates second driving source of electric current.In cantilever beam piezoelectric vibrators 6
The bimorph piezo electric structure that piezoelectric patches 10 forms is connected by conductor in parallel, and multiple cantilever beam piezoelectric vibrators also use the side of being connected in parallel
Formula, the electric current finally generated are delivered to deceleration strip length direction side by the conducting wire being embedded in high-strength rubber block 5 and are embedded in
In high efficiency energy capture circuit 11 in high-strength rubber block 5, and stored and be applied to the confession of ambient signals lamp, alarming device
Electricity.When work wheel 1 falls and lands along deceleration band body 2, due to the trapezoidal symmetrical structure of deceleration band body 2, work
Make that principle is consistent with the above, trailing wheel is also such by the process of deceleration strip.
Claims (4)
1. a kind of micro-structure energy regenerating deceleration strip based on piezoelectric effect, it is characterised in that：The deceleration strip includes deceleration strip sheet
Body, micro-structure filling component, high-strength rubber block, cantilever beam piezoelectric vibrators and energy capture circuit；Deceleration band body section
It is trapezoidal, the deceleration band body be internally provided with micro-structure filling component, high-strength rubber block, cantilever beam piezoelectric vibrators and
Energy capture circuit；The X-shaped indent micro-structure cellular that the micro-structure filling component is arranged by three-dimensional lattice is constituted；It is described high-strength
Rubber block is arranged in the fixation for deceleration strip and ground and cantilever beam piezoelectric vibrators at deceleration band body slope；It is described outstanding
Arm beam piezoelectric vibrator includes middle spring pole plate, and the piezoelectric patches and front end lumped mass block, the piezoelectric patches of both sides are connected to
Bimorph piezo electric structure is formed on central elastic pole plate and is realized by conducting wire in parallel；The cantilever beam piezoelectric vibrators are in practical application
In be that multiple identical structures are evenly spaced apart to be distributed on deceleration strip length direction and be connected in parallel；In the energy capture circuit
In high-strength rubber block.
2. a kind of micro-structure energy regenerating deceleration strip based on piezoelectric effect according to claim 1, it is characterised in that：Institute
It states deceleration strip body surface covering and is all made of rubber material.
3. a kind of micro-structure energy regenerating deceleration strip based on piezoelectric effect according to claim 1, it is characterised in that：Institute
X-shaped indent micro-structure cellular is stated to be uniformly and symmetrically distributed.
4. a kind of micro-structure energy regenerating deceleration strip based on piezoelectric effect according to claim 1, it is characterised in that：Institute
Micro-structure filling component is stated to be made using 3D printing increasing material manufacturing technique.
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| CN201810398128.6A CN108560436B (en) | 2018-04-28 | 2018-04-28 | Microstructure energy recovery deceleration strip based on piezoelectric effect |
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| CN201810398128.6A CN108560436B (en) | 2018-04-28 | 2018-04-28 | Microstructure energy recovery deceleration strip based on piezoelectric effect |
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| CN108560436B CN108560436B (en) | 2020-07-17 |
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| CN109450294A (en) * | 2019-01-02 | 2019-03-08 | 南通理工学院 | A kind of scallop type wind shake power generator |
| CN109728743A (en) * | 2019-01-14 | 2019-05-07 | 南京航空航天大学 | A kind of electomechanical response estimation method of New Electroactive polymer |
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| KR101305208B1 (en) * | 2011-09-02 | 2013-09-12 | (주) 센불 | Speed bump of using vibration type piezoelectric module |
| CN106368136A (en) * | 2016-10-08 | 2017-02-01 | 江苏大学 | Piezoelectric type deceleration strip energy recovery device |
| CN106838082A (en) * | 2017-03-28 | 2017-06-13 | 广州智能装备研究院有限公司 | A kind of buffering energy-absorbing structure |
| CN107542823A (en) * | 2017-07-19 | 2018-01-05 | 华南农业大学 | A kind of pressure buffer structure |
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| KR20100138025A (en) * | 2009-06-24 | 2010-12-31 | 이용문 | Overspeed prevention projection structure with electric power generation and light emitting function |
| KR101305208B1 (en) * | 2011-09-02 | 2013-09-12 | (주) 센불 | Speed bump of using vibration type piezoelectric module |
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| CN108560436B (en) | 2020-07-17 |
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