CN109104121B - A kind of flexible piezoelectric power generation pavement deceleration strip - Google Patents
A kind of flexible piezoelectric power generation pavement deceleration strip Download PDFInfo
- Publication number
- CN109104121B CN109104121B CN201811005798.3A CN201811005798A CN109104121B CN 109104121 B CN109104121 B CN 109104121B CN 201811005798 A CN201811005798 A CN 201811005798A CN 109104121 B CN109104121 B CN 109104121B
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- piezoelectric
- steel
- power generation
- deceleration strip
- piezoelectric vibrator
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- 238000010248 power generation Methods 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 55
- 239000010959 steel Substances 0.000 claims abstract description 55
- 239000004568 cement Substances 0.000 claims abstract description 16
- 239000004033 plastic Substances 0.000 claims abstract description 16
- 230000003321 amplification Effects 0.000 claims abstract description 12
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 12
- 239000000919 ceramic Substances 0.000 claims description 25
- 238000009413 insulation Methods 0.000 claims description 13
- 239000000758 substrate Substances 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- QNZFKUWECYSYPS-UHFFFAOYSA-N lead zirconium Chemical compound [Zr].[Pb] QNZFKUWECYSYPS-UHFFFAOYSA-N 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- NKZSPGSOXYXWQA-UHFFFAOYSA-N dioxido(oxo)titanium;lead(2+) Chemical group [Pb+2].[O-][Ti]([O-])=O NKZSPGSOXYXWQA-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The invention discloses a kind of flexible piezoelectric power generation pavement deceleration strips, including deceleration band body, stress amplification steel plate and plastic cement cover；Several containing grooves are provided in deceleration band body; wherein; inserted with stacking type piezoelectric generating device in each containing groove; wherein; the type piezoelectric generating device that stacks includes protection shell, keeper plate of steel and gasket; stress amplification steel plate is located on the keeper plate of steel in stack heap-type piezoelectric generating device, and plastic cement cover is covered on stress amplification steel plate；Each piezoelectric vibrator electrical connection in each containing groove, the electric energy which generates is more, and road-ability when vehicle passes through is preferable.
Description
Technical field
The present invention relates to a kind of deceleration strips, are related to a kind of flexible piezoelectric power generation pavement deceleration strip.
Background technique
The energy has pushed social progress, and future energy deficiency will hinder the development of society, in order to cope with constantly
Serious energy crisis, country push new energy development, the application for promoting renewable energy of going into overdrive, it is intended to build one energetically
A environmentally friendly, conservation-minded society.There are great energy fields, including thermal energy, luminous energy, mechanical energy etc. in road, will
These energy reasonable utilizations are got up can great alleviating energy crisis.The vibrational energy that driving vehicle in road environment generates
Axis can be carried vibration by piezoelectric effect and be converted to the vibrational energy that vehicular load in road generates by energy density with higher
Electric energy is the power supply of road affiliated facility.Have at present and piezoelectric patches stacking is placed directly in road, also has and piezoelectric patches is placed in deceleration
It in band, and is produced electricl energy with this, this is a kind of ideal road environment collection mode.
However, existing piezo-electric generating deceleration strip is still in its infancy, most piezoelectric generating devices is theoretically
Suitable for deceleration strip, but actually still there are many insufficient.
Currently, deceleration strip piezo-electric generating technology is still in its infancy, there are more deficiencies.Major defect is as follows:
1, existing piezo-electric generating deceleration strip mostly uses stacking-type piezoelectric generating device, and this piezo-electric device mode causes to press
The strain energy of electric piece is small, and energy transformation ratio is low, and the electric energy of generation is small.
2, existing piezo-electric generating deceleration strip often has very big rigidity, vehicle quickly through when, exacerbate vehicle
Vibration, severely impacted road-ability, irrecoverable type can be caused to damage to vehicle in this way, reduce vehicle uses the longevity
Life.
Summary of the invention
It is an object of the invention to overcome the above-mentioned prior art, a kind of flexible piezoelectric power generation pavement deceleration is provided
Band, the electric energy which generates is more, and road-ability when vehicle passes through is preferable.
In order to achieve the above objectives, flexible piezoelectric power generation pavement deceleration strip of the present invention includes deceleration band body, stress
Expand steel plate and plastic cement cover；
Several containing grooves are provided in deceleration band body, wherein in each containing groove inserted with stack type piezoelectricity hair
Electric installation, wherein the type piezoelectric generating device that stacks includes protection shell, keeper plate of steel and gasket, wherein keeper plate of steel, which is located at, to be held
Set outside groove, there is gap between keeper plate of steel and gasket, gasket is located on protection shell, protect be provided in shell compressed spring,
Several piezoelectric vibrators and several insulation steel bars, wherein each piezoelectric vibrator and compressed spring are sequentially distributed from top to bottom, and keeper plate of steel
Bottom be provided with transmission rod, wherein the lower end of transmission rod pass through gasket and protection shell at the top of is inserted in protection shell in,
Rubber cushion blocks are provided between each piezoelectric vibrator and between the piezoelectric vibrator of top layer and the lower end of transmission rod；Each insulation steel
The upper end of item is inserted in the top of protection shell, and each lower end for insulating steel bar is connected with each piezoelectric vibrator；
Stress amplification steel plate is located on the keeper plate of steel in stack heap-type piezoelectric generating device, and plastic cement cover is covered in stress expansion
Increase on steel plate；
Each piezoelectric vibrator electrical connection in each containing groove.
The same each insulation steel bar stacked in type piezoelectric generating device circumferentially equidistantly distributed.
Each piezoelectric vibrator includes the piezoelectric ceramic piece for vibrating substrate and being set to vibration upper surface of base plate and lower surface,
The through-hole for passing through for insulation steel bar is provided on vibration substrate.
Piezoelectric ceramic piece is lead titanate piezoelectric ceramics piece, and the thickness and diameter of piezoelectric ceramic piece are respectively 2mm and 50mm.
Piezoelectric ceramic piece is fixed on vibration substrate by cementing agent, wherein cementing agent is conductive by double bond DB2011 copper powder
Glue is mixed with 502 seccotines, wherein the mass ratio of double bond DB2011 cupric powder conductive adhesive and 502 seccotines is 1:1.
The same quantity for stacking piezoelectric vibrator in type piezoelectric generating device is nine.
The same each piezoelectric ceramic piece stacked in type piezoelectric generating device is connected in series and forms electricity-generating circuit, and difference stacks
The corresponding electricity-generating circuit of type piezoelectric generating device is connected in parallel.
The invention has the following advantages:
Flexible piezoelectric power generation pavement deceleration strip of the present invention includes deceleration band body, stress amplification steel plate and plastic cement cover
Face, stress amplification steel plate are located on deceleration band body, and plastic cement cover is covered on stress amplification steel plate, pass through plastic cement cover power transmission
Wheel weight, while deceleration band body is protected, when vehicle passes through deceleration strip, pass through plastic cement cover deformation buffer wheel impacts lotus
Carry, with improve vehicle by when the comfort driven a vehicle.The blastic deformation that plastic cement cover generates expands steel plate and keeper plate of steel through stress
It is transmitted in piezoelectric vibrator and compressed spring, so that piezoelectric vibrator deforms downwards power generation, when vehicle leaves on plastic cement cover, is pressing
The upwardly-deformed power generation of piezoelectric vibrator under the action of contracting spring, to realize the secondary electricity generation of voltage ceramic piece, generated energy is higher.Finally
It should be noted that bending deformation of the present invention by plastic cement cover and piezoelectric vibrator so that vehicle pass through it is unlikely when deceleration strip
Yu Yinqi rigidity is excessive and generates biggish vibration, effectively reduces influence of the deceleration strip to vehicle and driving experience.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that type piezoelectric generating device is stacked in the present invention；
Fig. 2 is the top view that type piezoelectric generating device is stacked in the present invention；
Fig. 3 is the structural schematic diagram of piezoelectric vibrator in the present invention；
Fig. 4 is structural schematic diagram of the invention；
Fig. 5 is top view of the invention.
Wherein, 1 it is keeper plate of steel, 2 be protection shell, 3 be insulation steel bar, 4 be vibration substrate, 5 be piezoelectric ceramic piece, 6 is
Rubber cushion blocks, 7 be compressed spring, 8 be gasket, 9 be plastic cement cover, 10 be stress amplification steel plate, 11 be conducting wire.
Specific embodiment
The invention will be described in further detail with reference to the accompanying drawing:
Referring to figs. 1 to Fig. 5, flexible piezoelectric power generation pavement deceleration strip of the present invention includes deceleration band body, stress expansion
Increase steel plate 10 and plastic cement cover 9；Several containing grooves are provided in deceleration band body, wherein in each containing groove inserted with
Stacking type piezoelectric generating device, wherein the type piezoelectric generating device that stacks includes protecting shell 2, keeper plate of steel 1 and gasket 8,
In, keeper plate of steel 1 is located at outside containing groove, there is gap between keeper plate of steel 1 and gasket 8, and gasket 8 is located on protection shell 2, and protection is outer
Compressed spring 7, several piezoelectric vibrators and several insulation steel bars 3 are provided in shell 2, wherein each piezoelectric vibrator and compressed spring 7 are certainly
Top to bottm is sequentially distributed, and the bottom of keeper plate of steel 1 is provided with transmission rod, wherein the lower end of transmission rod passes through gasket 8 and protection is outer
The top of shell 2 is inserted in protection shell 2, between each piezoelectric vibrator and lower end of the piezoelectric vibrator of top layer and transmission rod it
Between be provided with rubber cushion blocks 6；The upper end of each insulation steel bar 3 is inserted in the top of protection shell 2, the lower end of each steel bar 3 that insulate
It is connected with each piezoelectric vibrator；Stress amplification steel plate 10 is located on the keeper plate of steel 1 in stack heap-type piezoelectric generating device, plastic cement cover
Face 9 is covered on stress amplification steel plate 10；Each piezoelectric vibrator electrical connection in each containing groove, wherein same to stack type piezoelectricity
Each insulation steel bar 3 in power generator circumferentially equidistantly distributed；The same number for stacking piezoelectric vibrator in type piezoelectric generating device
Amount is nine, wherein stacks type piezoelectric generating device and is based on 31 mechanical-electric coupling modes.
Each piezoelectric vibrator includes the piezoelectric ceramics for vibrating substrate 4 and being set to vibration 4 the upper surface and the lower surface of substrate
Piece 5 vibrates the through-hole being provided on substrate 4 for passing through for insulation steel bar 3；Piezoelectric ceramic piece 5 is lead titanate piezoelectric ceramics
Piece, the thickness and diameter of piezoelectric ceramic piece 5 are respectively 2mm and 50mm；Piezoelectric ceramic piece 5 is fixed on vibration substrate by cementing agent
On 4, wherein cementing agent is mixed by double bond DB2011 cupric powder conductive adhesive and 502 seccotines, wherein double bond DB2011 copper powder
The mass ratio of conducting resinl and 502 seccotines is 1:1.
The same each piezoelectric ceramic piece 5 stacked in type piezoelectric generating device is connected in series and forms electricity-generating circuit, and difference is folded
The corresponding electricity-generating circuit of heap-type piezoelectric generating device is connected in parallel.
It is electrically connected between each piezoelectric ceramic piece 5 by conducting wire 11 in the present invention, in addition, each piezoelectric ceramic piece 5 is circle
Lead titanate piezoelectric ceramics piece so that the piezoelectric ceramic piece 5 has, electromechanical coupling factor is high, piezoelectric strain constant is high and resistance
The big advantage of rate, and there is preferable temperature stability and time stability, stronger acid resistance can well adapt to complexity
Road environment.
The piezoelectric vibrator in the production process, first passes through cementing agent for two panels piezoelectric ceramic piece 5 and is bonded in vibration substrate 4
On, it is then placed into vacuum oven and is heated to 120 DEG C and is kept for 2 hours, so that cementing agent sufficiently solidifies.
To select that intensity is high, rigidity is big prefabricated obtains for protection shell 2, and main function is entire piezoelectric generating device
Carrier, and protective device is destroyed by external force.Keeper plate of steel 1 is used as main load transfer device, and Driving Loading power is transferred to
Stack type piezoelectric generating device.There are safe distances between keeper plate of steel 1 and protection shell 2, in order to by piezoelectric vibrator
Strain controlling in a certain range, to prevent piezoelectric vibrator deformation excessive and be destroyed, and in keeper plate of steel 1 and protection shell 2
Between be equipped with gasket 8, the main function of gasket 8 be buffering, prevent excessive collision breaking plant, while reducing collision noise.?
The compressed spring 7 of a high stiffness coefficient is bonded between lowest level piezoelectric vibrator and the inner wall for protecting shell 2, compressed spring 7
Effect is that preventing upper load from crossing ambassador's piezoelectric vibrator is damaged, and after vehicle sails out of, and load disappears, compressed spring 7
Rebound, acting in opposition make it deform and produce electricl energy again in piezoelectric vibrator.
Claims (6)
1. a kind of flexible piezoelectric power generation pavement deceleration strip, which is characterized in that including deceleration band body, stress amplification steel plate (10) and
Plastic cement cover (9)；
Several containing grooves are provided in deceleration band body, wherein in each containing groove inserted with stack type piezo-electric generating dress
It sets, wherein the type piezoelectric generating device that stacks includes protection shell (2), keeper plate of steel (1) and gasket (8), wherein keeper plate of steel
(1) it is located at outside containing groove, there is gap between keeper plate of steel (1) and gasket (8), gasket (8) is located in protection shell (2), protection
Compressed spring (7), several piezoelectric vibrators and several insulation steel bars (3) are provided in shell (2), wherein each piezoelectric vibrator is from upper
It being sequentially distributed under, the bottom of piezoelectric vibrator is arranged in compressed spring (7), and the bottom of keeper plate of steel (1) is provided with transmission rod,
In, the lower end of transmission rod passes through to be inserted in protection shell (2) at the top of gasket (8) and protection shell (2), each piezoelectric vibrator it
Between and top layer piezoelectric vibrator and transmission rod lower end between be provided with rubber cushion blocks (6)；Each the upper of steel bar (3) of insulating
End is inserted in the top of protection shell (2), and respectively the lower end of insulation steel bar (3) is connected with each piezoelectric vibrator；
Stress amplification steel plate (10) is located on the keeper plate of steel (1) in stack heap-type piezoelectric generating device, and plastic cement cover (9) is covered in
Stress expands on steel plate (10)；
Each piezoelectric vibrator electrical connection in each containing groove；
Each piezoelectric vibrator includes the piezoelectric ceramics for vibrating substrate (4) and being set to vibration substrate (4) the upper surface and the lower surface
Piece (5) vibrates the through-hole being provided on substrate (4) for passing through for insulation steel bar (3).
2. flexible piezoelectric power generation pavement deceleration strip according to claim 1, which is characterized in that same to stack type piezo-electric generating
Each insulation steel bar (3) in device circumferentially equidistantly distributed.
3. flexible piezoelectric power generation pavement deceleration strip according to claim 1, which is characterized in that piezoelectric ceramic piece (5) is zirconium
Lead titanate piezoelectric ceramics piece, the thickness and diameter of piezoelectric ceramic piece (5) are respectively 2mm and 50mm.
4. flexible piezoelectric power generation pavement deceleration strip according to claim 1, which is characterized in that piezoelectric ceramic piece (5) passes through
Cementing agent is fixed in vibration substrate (4), wherein cementing agent mixed with 502 seccotines by double bond DB2011 cupric powder conductive adhesive and
At, wherein the mass ratio of double bond DB2011 cupric powder conductive adhesive and 502 seccotines is 1:1.
5. flexible piezoelectric power generation pavement deceleration strip according to claim 1, which is characterized in that same to stack type piezo-electric generating
The quantity of piezoelectric vibrator is nine in device.
6. flexible piezoelectric power generation pavement deceleration strip according to claim 1, which is characterized in that same to stack type piezo-electric generating
Each piezoelectric ceramic piece (5) in device is connected in series and forms electricity-generating circuit, and difference stacks the corresponding hair of type piezoelectric generating device
Electric circuit in parallel connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811005798.3A CN109104121B (en) | 2018-08-30 | 2018-08-30 | A kind of flexible piezoelectric power generation pavement deceleration strip |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811005798.3A CN109104121B (en) | 2018-08-30 | 2018-08-30 | A kind of flexible piezoelectric power generation pavement deceleration strip |
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| Publication Number | Publication Date |
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| CN109104121A CN109104121A (en) | 2018-12-28 |
| CN109104121B true CN109104121B (en) | 2019-09-10 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359367B (en) * | 2019-03-14 | 2021-03-19 | 长安大学 | Piezoelectric power generation deceleration strip for road |
| CN110067710B (en) * | 2019-05-29 | 2021-06-15 | 哈尔滨工业大学 | Mechanical energy collecting device for road system |
| CN111877678A (en) * | 2020-09-25 | 2020-11-03 | 长春大学 | Novel piezoelectric power generation type floor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010153777A (en) * | 2008-11-28 | 2010-07-08 | East Japan Railway Co | Power generation member and power generation device using the same, and power generation system |
| WO2010131694A1 (en) * | 2009-05-13 | 2010-11-18 | 株式会社村田製作所 | Actuator device |
| CN205792301U (en) * | 2016-05-26 | 2016-12-07 | 上海二十冶建设有限公司 | A kind of cartridge type mechanical energy is adopted can TRT |
| CN206948211U (en) * | 2017-07-27 | 2018-01-30 | 长安大学 | A kind of asphalt roads road surface piezoelectric generating device |
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2018
- 2018-08-30 CN CN201811005798.3A patent/CN109104121B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010153777A (en) * | 2008-11-28 | 2010-07-08 | East Japan Railway Co | Power generation member and power generation device using the same, and power generation system |
| KR20110112310A (en) * | 2008-11-28 | 2011-10-12 | 제이알 히가시니혼 컨설턴츠 가부시키가이샤 | Power generation member, power generation device using same, and power generation system |
| WO2010131694A1 (en) * | 2009-05-13 | 2010-11-18 | 株式会社村田製作所 | Actuator device |
| CN205792301U (en) * | 2016-05-26 | 2016-12-07 | 上海二十冶建设有限公司 | A kind of cartridge type mechanical energy is adopted can TRT |
| CN206948211U (en) * | 2017-07-27 | 2018-01-30 | 长安大学 | A kind of asphalt roads road surface piezoelectric generating device |
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