CN205610504U - Use cymbals type piezoelectric transducer's deceleration strip device - Google Patents
Use cymbals type piezoelectric transducer's deceleration strip device Download PDFInfo
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- CN205610504U CN205610504U CN201620413188.7U CN201620413188U CN205610504U CN 205610504 U CN205610504 U CN 205610504U CN 201620413188 U CN201620413188 U CN 201620413188U CN 205610504 U CN205610504 U CN 205610504U
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- hydraulic pressure
- piezoelectric transducer
- deceleration strip
- type piezoelectric
- cymbal type
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Abstract
The utility model discloses an use cymbals type piezoelectric transducer's deceleration strip device, including the deceleration strip base member of locating the road surface, power generation facility and the energy memory who locates deceleration strip base member below, power generation facility comprises a plurality of hydraulic pressure piezoelectricity devices of locating side by side under the deceleration strip base member, hydraulic pressure piezoelectricity device includes that hydraulic pressure warp bag and cymbals type piezoelectric transducer, and cymbals type piezoelectric transducer all links to each other with energy memory through bridge rectifier parallelly connected back, cymbals type piezoelectric transducer by the cymbals type metal cap that is located both sides with be located middle piezoceramics and constitute, the ground below the hydraulic pressure piezoelectricity device has been equipped with supporting role's bearing structure, hydraulic pressure piezoelectricity device all is equipped with the antioverloading salient angle with the both ends of bearing structure and road surface contact, the utility model discloses realize collecting to the energy of deceleration strip under the low frequency on road surface, the big loading condition according to the piezoelectric generator reason, supply with the attached power consumption facility in road surface to reach the effect of energy saving, have extensive application prospect.
Description
Technical field
This utility model relates to a kind of deceleration strip for power generation device, especially relates to a kind of deceleration strip device applying cymbal type piezoelectric transducer.
Background technology
Along with change and the shortage of petroleum-based energy of climatic environment, road, as important infrastructure, also has the potential of exploitation regenerative resource while undertaking communication function.In recent years, China's automobile pollution develops rapidly, and by the end of 2012 6 months, the whole nation total recoverable amount of motor vehicles reaches 2.33 hundred million, wherein 1.14 hundred million, automobile.China has become automobile superpower, is only second to the U.S.；Highway construction development is swift and violent simultaneously, and by the end of the year 2011, whole nation network of highways total kilometrage reaches 410.64 ten thousand kilometers, and wherein highway mileage open to traffic reaches 7.4 ten thousand kilometers.These cars on the way travel all can encounter many deceleration strips, and deceleration strip is produced huge pressure, if this partial pressure can be converted into electric energy by having the device of piezoelectric effect and effectively stored utilization, these energy are by considerable.Not only can be with the electric energy of output cleaning, it is also possible to reduce vibration and the deformation on road surface, reduce speed bump structure damage, reduce structural maintenance cost and reduce noise pollution etc., having a good application prospect.
Along with the development of science and technology, piezoelectric is also widely used in life production.According to the direct piezoelectric effect of piezoelectric, its impact force is the biggest, and the voltage of generating is the biggest, by these utilization of power, will be the most considerable a kind of energy.It is a new research field that piezoelectric energy collection technique is applied in road engineering in order to the mechanical energy collecting road surface, in the middle of prior art, the disclosed most of General Principle of road deceleration strip generating set is: when automobile presses through deceleration strip, drive rack and pinion moves, thus drives electrical power generators.These are all that by Electromagnetic generation etc., the mechanical energy of vibrations is converted into electric energy, but for realizing accessory structure complexity and the poor reliability of tooth bar shuttling movement, pinion rotation angle is little, and the generated energy of electromotor is few, and efficiency is low.Only a few device is the mechanical energy utilizing piezoelectric to collect deceleration strip vibrations, and its principle is: when automobile presses through deceleration strip, directly results in the deformation of piezoelectric, thus obtains electric current.In this device, piezoelectric directly bears the immense pressure of automobile, is easily caused the piezoelectric life-span short, thus adds the cost that whole device detects, manages, runs.This utility model avoids the shortcoming of said apparatus, and using in generating efficiency and device has innovation.
Utility model content
Novel the solving the technical problem that of this use is, the energy is there is the most under-utilized for existing deceleration strip, provide a kind of deceleration strip generating set based on hydraulic pressure cymbal piezoelectric transducer, material and structure to deceleration strip improve, and be combined with TRT based on piezoelectric effect, thus the mechanical energy that vehicle presses through deceleration strip dissipation is used, and reaches energy-conservation effect.
This utility model be the technical scheme is that by the above-mentioned technical problem of solution
A kind of deceleration strip device applying cymbal type piezoelectric transducer, including the deceleration strip matrix being located at road surface, it is characterized in that: below described deceleration strip matrix, be provided with TRT and energy storage device, described TRT is made up of multiple hydraulic pressure piezo-electric devices being located at side by side immediately below deceleration strip matrix, described hydraulic pressure piezo-electric device includes hydraulic pressure deformation capsule and cymbal type piezoelectric transducer, the cymbal type side of described cymbal type piezoelectric transducer is connected with hydraulic pressure deformation capsule, and described cymbal type piezoelectric transducer is all by being connected with energy storage device after bridge rectifier parallel connection.
As preferably, described cymbal type piezoelectric transducer is made up of with the piezoelectric ceramics being positioned at centre the cymbal type metal cap being positioned at both sides.
As improvement, ground below described hydraulic pressure piezo-electric device is provided with passive supporting construction, TRT is played a supportive role by described supporting construction, and transmit pressure by hydraulic pressure deformation capsule to piezo-electric device, the two ends that described hydraulic pressure piezo-electric device contacts with supporting construction and road surface are equipped with antioverloading salient angle, are used for preventing pressure excessive and making piezo-electric device exceed its maximum deformation quantity.
As improvement, described hydraulic pressure piezo-electric device also includes that shell, described hydraulic pressure deformation capsule and cymbal type piezoelectric transducer and bridge rectifier are placed in shell, and described hydraulic pressure piezo-electric device prevents the interference of the external conditions such as rainwater by the sealing of shell.
As improvement, being provided with the rubber blanket of cushioning effect between described shell and cymbal type piezoelectric transducer, described cymbal type piezoelectric transducer has multiple, and symmetrical on hydraulic pressure deformation capsule both sides.
As improvement, described deceleration strip matrix, hydraulic pressure deformation capsule and rubber blanket all use high-strength rubber to make, and described supporting construction uses the engineering plastics that impact resistance, high temperature resistance, aging resistance and hardness are high to make.
As improvement, cymbal type metal cap uses H62 copper sheet to make, and described piezoelectric ceramics uses PZT-5X piezoceramic material to make, and uses viscous copper all-purpose adhesive to connect between described piezoelectric ceramics and two panels cymbal type metal cap.
This utility model provides the benefit that:
There are some researches show, cymbal type structure can bear the load of bigger pressure and higher frequency, has the advantages such as Low ESR, macrobending deformation, high bearing capacity, also shows preferable piezoelectric property under low frequency load action.Piezoelectric transducer for cymbal structure, special construction due to metal cap, the axial force making to load on metal cap through conversion, be enlarged into along piezoelectric ceramics two component axially and radially, so that piezoelectric d33, d31 both of which works simultaneously, produce the voltage more much bigger than general piezoelectric ceramics.When, after cymbal transducer parallel connection, its output voltage values is substantially the biggest than the output voltage of wherein separate piezoelectric transducer.The load of vehicle is passed to cymbal type piezoelectric transducer by hydraulic pressure deformation capsule by this device, makes cymbal type structure stress uniformly and can bear bigger pressure.So, for the collection of energy of deceleration strip under the low frequency on road surface, big loading condition, this hydraulic pressure cymbal type piezoelectric generating device is the most practical.Can not only obtain more more than general electromagnetic generator electric energy, also than piezoelectric be placed directly within deceleration strip more durable, bigger load can be born.Simple and reliable for structure, with low cost, mechanical energy to electric energy conversion efficiency height.The energy regenerating generating being lost through deceleration strip by vehicle, supplies the attached electricity consumption in road surface facility, thus reaches to save the effect of the energy, have wide application prospect.
Accompanying drawing explanation
Fig. 1 is fundamental diagram of the present utility model.
Fig. 2 is TRT overall structure schematic diagram of the present utility model.
Fig. 3 is hydraulic pressure piezo-electric device schematic diagram of the present utility model.
Fig. 4 is this utility model cymbal type piezoelectric transducer structural representation.
Fig. 5 is this utility model cymbal type piezoelectric transducer three dimensional structure schematic diagram.
In figure: 1-hydraulic pressure piezo-electric device, 2-deceleration strip matrix, 3-supporting construction, 4-antioverloading salient angle, 5-road surface, 11-cymbal type piezoelectric transducer, 12-hydraulic pressure deformation capsule, 13-shell, 14-rubber blanket, 15-bridge rectifier, 111-cymbal type metal cap, 112-piezoelectric ceramics.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described further.
Asking for an interview Fig. 1, this utility model hydraulic pressure based on piezoelectric effect cymbal piezoelectric transducer deceleration strip electricity generation system, including being located at the deceleration strip matrix 2 on road surface, being located at the TRT below deceleration strip matrix 2 and energy storage device.
Asking for an interview Fig. 2, several hydraulic pressure cymbal Piezoelectric transducer elements are arranged by described TRT side by side along road width direction, including supporting construction 3, hydraulic pressure piezo-electric device 1, antioverloading salient angle 4, deceleration strip matrix 2.Deceleration strip matrix 2 uses high-strength rubber, supporting construction 3 to use the engineering plastics that impact resistance, high temperature resistance, aging resistance and hardness are high.Hydraulic pressure piezo-electric device 1 is located at the underface of deceleration strip matrix 2, and supporting construction 3 is located at the lower section of hydraulic pressure piezo-electric device 1.When automobile presses through deceleration strip, deceleration strip matrix 2 deforms, and pressure transmission is to hydraulic pressure piezo-electric device 1, and when pressure is to supporting construction 3 further, supporting construction 3 occurs pressure distortion to hydraulic pressure piezo-electric device 1.The two ends that hydraulic pressure piezo-electric device 1 contacts with supporting construction 3 and road surface 5 are equipped with antioverloading salient angle 4, are used for preventing pressure excessive and making piezo-electric device exceed its maximum deformation quantity.
Asking for an interview Fig. 3, described hydraulic pressure piezo-electric device 1 is made up of hydraulic pressure deformation capsule 12, cymbal type piezoelectric transducer 11, rubber blanket 14, shell 13 and bridge rectifier 15.Hydraulic pressure deformation capsule 12 both sides are located at by cymbal type piezoelectric transducer 11, are provided with rubber blanket 14 between shell 13 and cymbal type piezoelectric transducer 11, and cymbal type piezoelectricity parallel operation 11 is connected with bridge rectifier 15, and whole hydraulic pressure piezo-electric device 1 is located in shell 13.Hydraulic pressure deformation capsule 12 and rubber blanket 14 all use high-strength rubber.Rubber blanket 14 plays cushioning effect.When automobile presses through deceleration strip matrix 2, hydraulic pressure deformation capsule 12 issues into deformation in the support of supporting construction 3.Hydraulic pressure deformation capsule 12 extrudes cymbal type hydraulic energy exchanger 11 to both sides, makes cymbal type metal cap 111 deform, so that the piezoelectric ceramics 112 being clipped between two panels cymbal type metal cap 111 deforms, and Discharge Phenomena.The electric current that several hydraulic pressure cymbal Piezoelectric transducer elements obtain, by being connected with energy storage device after bridge rectifier 15 rectification parallel connection.
Asking for an interview Fig. 4 and Fig. 5, described cymbal type piezoelectric transducer 11 is made up of two panels cymbal type metal cap 111 and piezoelectric ceramics 112, and piezoelectric ceramics 112 is placed between two panels cymbal type metal cap 111, connects with adhesive.The Main Function of cymbal type metal cap 111 is the longitudinal load that piezoelectric energy-conversion structure is subject to be changed and amplified and is converted to power radially act on piezoelectric ceramic piece 112; on the other hand the load that piezoelectric energy-conversion structure is subject to can be distributed to piezoelectric ceramic piece 112; play the effect of protection potsherd, there is certain intensity energy resistance to deformation.Considering the properties of common metal, H62 copper sheet (60%Cu-40%Zn) has higher intensity and corrosion resistance is preferable and low compared with the price of other sheet metal, therefore cymbal type metal cap 111 material selection H62 copper sheet.Described adhesive uses viscous copper all-purpose adhesive, and described piezoelectric ceramics 112 uses PZT-5X piezoceramic material.Described cymbal piezoelectric transducer piezoelectric ceramics 112 uses thickness to be 2mm, and a diameter of 28mm, cymbal type metal cap 111 end radius of circle takes 20mm, and thickness is 0.5mm, and cavity heights takes 2.5mm, and tip circle radius takes 2mm.
Being placed in the groove below deceleration strip matrix 2 by TRT described in the utility model, the deceleration strip matrix 2 of high intensity supports on the ground, is fixed on ground by screw.TRT is played a supportive role by supporting construction 3, and transmits pressure by hydraulic pressure deformation capsule 12 to hydraulic pressure piezo-electric device 1.Design antioverloading salient angle 4 is possible to prevent pressure excessive and makes hydraulic pressure piezo-electric device 1 exceed its maximum deformation quantity.Hydraulic pressure cymbal Piezoelectric transducer elements seals, and prevents the interference of the external conditions such as rainwater.
Operation principle of the present utility model: when causing deformation on External Force Acting to piezoelectric, the spacing of the positive and negative bound charge of material internal diminishes, and polarization intensity also diminishes, and originally absorption free charge on electrode has part to be released, Discharge Phenomena, is direct piezoelectric effect.It is the ability of electric energy that direct piezoelectric effect reflects piezoelectric element by mechanical energy.Piezoelectric transducer is as the key of piezoelectric energy recovery, according to piezoelectric effect and piezo-electric generating mechanism, piezoelectric transducer is when by mechanical stress effect, electromechanical Coupling makes piezoelectric transducer surface free charge constantly discharge and absorb, form alternating potential, when connecting with load, the mechanical-electric coupling electromotive force of piezoelectric transducer drive the charge movement in load, form electric current.In this device, when automobile presses through deceleration strip matrix 2, hydraulic pressure deformation capsule 12 issues into deformation in the support of supporting construction 3.Hydraulic pressure deformation capsule 12 extrudes cymbal type hydraulic energy exchanger 11 to both sides, makes cymbal type metal cap 111 deform, so that the piezoelectric ceramics 112 being clipped between two panels cymbal type metal cap 111 deforms, and Discharge Phenomena.The electric current that several hydraulic pressure cymbal Piezoelectric transducer elements obtain, after bridge rectifier 15 rectification, can realize the parallel connection on circuit.The electric energy of acquisition is deposited in energy storage device, and the electric energy in energy storage device can be used for traffic signs, warning sign or road surface affiliated facility and powers.
Above-described only preferred embodiment of the present utility model, certainly can not limit interest field of the present utility model, the equivalence change therefore made according to this utility model claim with this, still fall within protection domain of the present utility model.
Claims (7)
1. applying a deceleration strip device for cymbal type piezoelectric transducer, including being located at the deceleration strip matrix (2) on road surface, its feature exists
In: described deceleration strip matrix (2) lower section is provided with TRT and energy storage device, and described TRT is located at deceleration side by side by multiple
Hydraulic pressure piezo-electric device (1) composition immediately below ribbon matrix (2), described hydraulic pressure piezo-electric device (1) includes hydraulic pressure deformation capsule (12)
With cymbal type piezoelectric transducer (11), the cymbal type side of described cymbal type piezoelectric transducer (11) is connected with hydraulic pressure deformation capsule (12),
Described cymbal type piezoelectric transducer (11) is all by being connected with energy storage device after bridge rectifier (15) parallel connection.
A kind of deceleration strip device applying cymbal type piezoelectric transducer the most as claimed in claim 1, it is characterised in that: described cymbal type pressure
Electric transducer (11) is by being positioned at cymbal type metal cap (111) on both sides and being positioned at the piezoelectric ceramics (112) of centre and form.
A kind of deceleration strip device applying cymbal type piezoelectric transducer the most as claimed in claim 2, it is characterised in that: described hydraulic pressure pressure
The ground of electric installation (1) lower section is provided with passive supporting construction (3), and described hydraulic pressure piezo-electric device (1) is tied with supporting
The two ends that structure (3) contacts with road surface (5) are equipped with antioverloading salient angle (4).
A kind of deceleration strip device applying cymbal type piezoelectric transducer the most as claimed in claim 3, it is characterised in that: described hydraulic pressure pressure
Electric installation (1) also includes shell (13), and described hydraulic pressure deformation capsule (12) and cymbal type piezoelectric transducer (11) and bridge-type are whole
Stream device (15) is placed in shell (13).
A kind of deceleration strip device applying cymbal type piezoelectric transducer the most as claimed in claim 4, it is characterised in that: described shell (13)
And between cymbal type piezoelectric transducer (11), it being provided with the rubber blanket (14) of cushioning effect, described cymbal type piezoelectric transducer (11) has
Multiple and symmetrical on hydraulic pressure deformation capsule (12) both sides.
A kind of deceleration strip device applying cymbal type piezoelectric transducer the most as claimed in claim 5, it is characterised in that: described deceleration strip
Matrix (2), hydraulic pressure deformation capsule (12) and rubber blanket (14) all use high-strength rubber to make, and described supporting construction (3) is adopted
The engineering plastics high by impact resistance, high temperature resistance, aging resistance and hardness are made.
A kind of deceleration strip device applying cymbal type piezoelectric transducer the most as claimed in claim 6, it is characterised in that: cymbal type metal cap
(111) using H62 copper sheet to make, described piezoelectric ceramics (112) uses PZT-5X piezoceramic material to make, described pressure
Viscous copper all-purpose adhesive is used to connect between electroceramics (112) and two panels cymbal type metal cap (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620413188.7U CN205610504U (en) | 2016-05-09 | 2016-05-09 | Use cymbals type piezoelectric transducer's deceleration strip device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620413188.7U CN205610504U (en) | 2016-05-09 | 2016-05-09 | Use cymbals type piezoelectric transducer's deceleration strip device |
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| CN205610504U true CN205610504U (en) | 2016-09-28 |
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| CN201620413188.7U Expired - Fee Related CN205610504U (en) | 2016-05-09 | 2016-05-09 | Use cymbals type piezoelectric transducer's deceleration strip device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111342700A (en) * | 2020-04-03 | 2020-06-26 | 郑州大学 | Multi-energy power generation micro-nano bag and energy collection array |
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2016
- 2016-05-09 CN CN201620413188.7U patent/CN205610504U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111342700A (en) * | 2020-04-03 | 2020-06-26 | 郑州大学 | Multi-energy power generation micro-nano bag and energy collection array |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160928 Termination date: 20170509 |
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| CF01 | Termination of patent right due to non-payment of annual fee |