CN214412609U - Pavement deceleration strip power generation device based on piezoelectricity - Google Patents
Pavement deceleration strip power generation device based on piezoelectricity Download PDFInfo
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- CN214412609U CN214412609U CN202120075969.0U CN202120075969U CN214412609U CN 214412609 U CN214412609 U CN 214412609U CN 202120075969 U CN202120075969 U CN 202120075969U CN 214412609 U CN214412609 U CN 214412609U
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Abstract
The utility model discloses a road surface deceleration strip power generation facility based on piezoelectricity, include: the deceleration strip is provided with a groove; a piezoelectric power generating unit comprising: the piezoelectric device comprises a box body, a piezoelectric assembly and a pressing assembly; the piezoelectric assembly includes: the stacked piezoelectric module is arranged at the bottom of the box body, and the cantilever beam piezoelectric module is arranged on the side wall of the box body; the first end of the pressing component is positioned outside the box body, and the second end of the pressing component extends into the box body; when the pressing component moves downwards, the piezoelectric component is pressed to enable the piezoelectric component to generate electric energy. Inside box, the piezoelectric assembly that sets up of piezoelectric power generation unit at the deceleration strip, press the subassembly, when the vehicle was through the deceleration strip, can promote to press the subassembly and reciprocate in the box to press the piezoelectric assembly so that piezoelectric assembly produces the electric energy, convert the mechanical energy received with the deceleration strip into the electric energy, not only collect the mechanical energy of vehicle vibration dissipation at the deceleration strip, still reduce the damage that the deceleration strip received.
Description
Technical Field
The utility model relates to a power generation technical field especially relates to a road surface deceleration strip power generation facility based on piezoelectricity.
Background
The deceleration strip is one of the most basic traffic facilities of the road, and plays an important role in maintaining traffic safety. During the useful life of a speed bump design, the speed bump is subjected to tens of thousands of vehicle wheel loads, which involve very large mechanical energy. In the prior art, a part of the mechanical energy of the speed reducing belt acts on the speed reducing belt to cause the speed reducing belt to vibrate, so that the speed reducing belt is damaged by deformation, abrasion, cracking and the like; another part of the mechanical energy is converted into heat energy to be dissipated in the air.
Accordingly, the prior art is yet to be improved and developed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide a road surface deceleration strip power generation facility based on piezoelectricity, aim at solving among the prior art vehicle rolls the mechanical energy that the deceleration strip produced and waste uselessly, the problem that deceleration strip received mechanical energy leads to the deceleration strip to damage.
The utility model provides a technical scheme that technical problem adopted as follows:
a piezoelectric-based road surface deceleration strip power generation device comprises:
the deceleration strip is provided with a groove;
the piezoelectric power generation unit is arranged in the groove; the piezoelectric power generation unit includes:
the box body is positioned in the groove;
a piezoelectric assembly, the piezoelectric assembly comprising: the stacked piezoelectric module is arranged at the bottom of the box body, and the cantilever beam piezoelectric module is arranged on the side wall of the box body;
the first end of the pressing component is positioned outside the box body, the second end of the pressing component extends into the box body and is arranged opposite to the piezoelectric component, and the pressing component can move up and down in the box body;
when the pressing component moves downwards, the piezoelectric component is pressed to enable the piezoelectric component to generate electric energy.
The piezoelectric-based road surface deceleration strip power generation device comprises a pressing component and a pressing component, wherein the pressing component comprises:
a pressure plate;
a column disposed below the pressure plate;
wherein the pillar presses the stacked piezoelectric modules when the pillar moves downward.
The piezoelectric-based road surface deceleration strip power generation device, wherein the stacked piezoelectric module comprises:
the stackable lower rubber sheet, the stackable lower piezoelectric sheet, the stackable substrate, the stackable upper piezoelectric sheet and the stackable upper rubber sheet are arranged in sequence.
The piezoelectric-based road surface deceleration strip power generation device, wherein the pressing component further comprises:
the shifting pieces are arranged on two sides of the upright post;
when the shifting piece moves downwards, the shifting piece presses the cantilever beam piezoelectric module.
The road surface deceleration strip power generation device based on piezoelectricity, wherein, cantilever beam piezoelectric module includes:
the cantilever beam lower layer piezoelectric piece, the cantilever beam substrate and the cantilever beam upper layer piezoelectric piece are arranged in sequence.
The pavement deceleration strip power generation device based on piezoelectricity is characterized in that the lower piezoelectric sheet of the cantilever beam is connected with the upper piezoelectric sheet of the cantilever beam in parallel.
The pavement deceleration strip power generation device based on piezoelectricity, wherein, when the plectrum moves downwards, the lower surface of the plectrum presses the upper surface of the cantilever beam substrate.
The piezoelectric-based road surface deceleration strip power generation device is characterized in that an elastic piece is arranged between the pressure plate and the box body;
and a sealing side wall is arranged outside the elastic piece, a first end of the sealing side wall is connected with the edge of the upper surface of the box body, and a second end of the sealing side wall is in contact with the side surface of the pressure plate.
The pavement deceleration strip power generation device based on piezoelectricity, wherein, the elastic piece is a recovery rubber block.
The piezoelectric-based pavement deceleration strip power generation device is characterized in that the stacked piezoelectric modules and the cantilever beam piezoelectric modules are connected in parallel; and/or the presence of a gas in the gas,
the piezoelectric-based road surface deceleration strip power generation device further comprises:
a circuit processing device electrically connected with the piezoelectric assembly.
Has the advantages that: the deceleration strip is provided with the piezoelectric power generation units, the box body, the piezoelectric assembly, the pressing assembly and the elastic piece are arranged in each piezoelectric power generation unit, when a vehicle passes through the deceleration strip, the pressing assembly can be pushed to move up and down in the box body, so that the piezoelectric assembly is pressed to generate electric energy, and mechanical energy received by the deceleration strip is converted into the electric energy, so that on one hand, vibration damage to the deceleration strip can be reduced; on the other hand, mechanical energy can be used to generate electrical energy. In addition, the piezoelectric assembly in the piezoelectric power generation unit is simultaneously provided with the stacked piezoelectric module and the cantilever beam piezoelectric module, so that the piezoelectric power generation efficiency can be improved; simultaneously, the deceleration strip of adaptable different models of design of unit formula reaches the effect of make full use of deceleration strip inner space in order to produce more electric energy, makes traditional ground deceleration strip develop into a novel deceleration strip that can possess two kinds of effects of speed reduction and energy supply simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of a medium voltage power generation unit according to the present invention.
Fig. 2 is an exploded view of the middle voltage power generation unit of the present invention.
Fig. 3 is a cross-sectional view of the middle voltage power generation unit of the present invention.
Fig. 4 is a schematic structural diagram of the middle cantilever beam piezoelectric module of the present invention.
Fig. 5 is a schematic structural view of the stacked piezoelectric module according to the present invention.
Fig. 6 is the overall structure schematic diagram of the piezoelectric based road surface deceleration strip power generation device of the present invention.
Fig. 7 is a plan view of the piezoelectric based road surface deceleration strip power generation device of the present invention.
Description of reference numerals:
10. a speed bump; 11. a groove; 20. a piezoelectric power generation unit; 21. a box body; 22. a piezoelectric component; 221. a stacked piezoelectric module; 2211. a stacked lower rubber sheet; 2212. a stacked lower piezoelectric sheet; 2213. a stacked substrate; 2214. a stacked upper laminate piezoelectric sheet; 2215. a stacked upper layer rubber sheet; 222. a cantilever beam piezoelectric module; 2221. a cantilever beam lower layer piezoelectric sheet; 2222. a cantilever beam substrate; 2223. a piezoelectric sheet is laminated on the cantilever beam; 23. a pressing assembly; 231. a pressure plate; 232. a column; 233. a shifting sheet; 24. an elastic member; 25. sealing the side wall; 30. a vehicle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-7, the present disclosure provides embodiments of a piezoelectric based road surface deceleration strip power generation apparatus.
As shown in fig. 2-3 and fig. 6, the utility model discloses a road surface deceleration strip power generation facility based on piezoelectricity, include:
the deceleration strip 10 is provided with a groove 11;
the piezoelectric power generation unit 20 is arranged in the groove 11; the piezoelectric power generation unit 20 includes:
the box body 21 is positioned in the groove 11;
the piezoelectric assembly 22, the said piezoelectric assembly 22 is set up in the said container body 21; the piezoelectric assembly 22 includes: a stacked piezoelectric module 221 and a cantilever piezoelectric module 222, wherein the stacked piezoelectric module 221 is disposed at the bottom of the case 21, and the cantilever piezoelectric module 222 is disposed on the sidewall of the case 21;
a pressing component 23, a first end of the pressing component 23 is located outside the box body 21, a second end of the pressing component 23 extends into the box body 21 and is arranged opposite to the piezoelectric component 22, and the pressing component 23 can move up and down in the box body 21;
when the pressing component 23 moves downwards, the piezoelectric component 22 is pressed to enable the piezoelectric component 22 to generate electric energy.
It should be noted that, as shown in fig. 7, a groove 11 is formed in the speed bump 10, a plurality of piezoelectric power generating units 20 are arranged in the groove 11, each piezoelectric power generating unit 20 is provided with a box 21, a piezoelectric assembly 22, and a pressing assembly 23, when a vehicle 30 passes through the speed bump 10, the pressing assembly 23 is pushed to move up and down in the box 21, so that the piezoelectric assembly 22 is pressed to enable the piezoelectric assembly 22 to generate electric energy, and mechanical energy received by the speed bump 10 is converted into electric energy, on one hand, damage to the speed bump 10 can be reduced; on the other hand, mechanical energy can be used to generate electrical energy.
In addition, because inside heap piezoelectric module 221 and the cantilever beam piezoelectric module 222 of being provided with simultaneously of piezoelectric power generation unit 20, combine cantilever beam piezoelectric module 222 and heap piezoelectric module 221 organically, extrude heap piezoelectric module 221 and cantilever beam piezoelectric module 222 through pressing subassembly 23 and produce the electric energy, can effectively improve the energy conversion efficiency that mechanical energy converted into the electric energy, and unitize deceleration strip power generation facility, adaptable different models's deceleration strip 10, reach the effect of make full use of deceleration strip 10 inner space in order to produce more electric energy, make traditional ground deceleration strip 10 develop into a novel deceleration strip 10 that can possess two kinds of effects of speed reduction and energy supply simultaneously.
Specifically, the speed bump 10 is in the shape of a trapezoid column, the bottom surface of the trapezoid column is arranged on the road, the two waist surfaces of the speed bump 10 face the traveling direction of the road, and the groove 11 may be arranged on the top surface or the waist surface of the trapezoid column. In this embodiment, the case where the groove 11 is provided on the top surface will be described.
An opening is formed in the box body 21, and a first end of the pressing component 22 extends out of the box body 21 from the opening.
In a preferred implementation manner of the embodiment of the present invention, as shown in fig. 2 to 3, the piezoelectric unit 20 further includes: a resilient member 24 and a sealing sidewall 25. An elastic member 24 is arranged between the pressure plate 231 and the box body 21; a sealing side wall 25 is arranged outside the elastic member 24, a first end of the sealing side wall 25 is connected with the edge of the box body 21, and a second end of the sealing side wall 25 is in contact with the side surface of the pressure plate 231.
Specifically, in order to move pressure plate 231 up and down, while constantly pressing piezoelectric assembly 22, elastic member 24 is provided between pressure plate 231 and case 21, and when the wheel presses pressure plate 231, elastic member 24 is compressed; when the wheel passes, away from the pressure plate 231, the elastic member 24 is deformed again, thereby moving the pressure plate 231 upward. In order to prevent dust, water and the like from entering the recess 11 to affect the pressing member 23 and the piezoelectric member 22, a sealing sidewall 25 is provided at the edge of the recess 11, and the dust, water and the like are prevented from entering the recess 11 by the sealing sidewall 25 and the pressure plate 231 cooperating with each other. It should be noted that only the elastic member 24 may be provided, and the sealing side wall 25 may not be provided.
In a preferred implementation of the embodiment of the present invention, the elastic member 24 is a recovery rubber block.
Specifically, the elastic member 24 is a restoring rubber block, and the restoring rubber block can be elastically deformed and restore the deformation.
In a preferred implementation manner of the embodiment of the present invention, as shown in fig. 1 to 3, the pressing component 23 includes:
an upright 232, said upright 232 disposed below said pressure plate 231;
wherein, when the pillar 232 moves downward, the pillar 232 presses the stacked piezoelectric module 221.
Specifically, the pressure plate 231 is located outside the box 21, when the vehicle passes through the speed bump 10, the tire contacts the pressure plate 231 and presses the pressure plate 231, the pressure plate 231 moves downward and drives the upright post 232 to move downward, so that the upright post 232 presses the stacked piezoelectric module 221, the stacked piezoelectric module 221 deforms, and electric energy is generated.
In a preferred implementation manner of the embodiment of the present invention, as shown in fig. 5, the stacked piezoelectric module 221 includes: a stacked lower rubber sheet 2211, a stacked lower piezoelectric sheet 2212, a stacked substrate 2213, a stacked upper piezoelectric sheet 2214, and a stacked upper rubber sheet 2215, which are arranged in this order.
Specifically, the piezoelectric sheets may be disposed on the upper surface and/or the lower surface of the stacked substrate 2213, and in order to improve the yield of electric energy in the present application, the stacked upper-layer piezoelectric sheet 2214 and the stacked lower-layer piezoelectric sheet 2212 are disposed on the upper surface and the lower surface of the stacked substrate 2213, respectively. Since the stacked lower layer rubber sheet 2211 is provided below the stacked lower layer piezoelectric sheet 2212 and the stacked upper layer rubber sheet 2215 is provided on the stacked upper layer piezoelectric sheet 2214 in order to protect the piezoelectric sheets, the life of the stacked upper layer piezoelectric sheet 2214 and the stacked lower layer piezoelectric sheet 2212 is extended.
In a preferred implementation manner of the embodiment of the present invention, as shown in fig. 2 to fig. 3, the pressing component 23 further includes:
the shifting sheet 233, the shifting sheet 233 is arranged on two sides of the upright post 232;
when the poke piece 233 moves downwards, the poke piece 233 presses the cantilever piezoelectric module 222.
Specifically, in addition to using the stacked piezoelectric modules 221, the cantilever piezoelectric modules 222 are provided to improve the power yield. Cantilever beam piezoelectric module 222 is provided with about two sets ofly, and two sets ofly cantilever beam piezoelectric module 222 are located the both sides of stand 232 respectively, and two sets ofly cantilever beam piezoelectric module 222 sets up along the length direction of deceleration strip 10 to when can making to press subassembly 23 to remove downwards, can be more balanced.
In a preferred implementation manner of the embodiment of the present invention, as shown in fig. 4, the cantilever beam piezoelectric module 222 includes: the cantilever lower-layer piezoelectric sheet 2221, the cantilever substrate 2222 and the cantilever upper-layer piezoelectric sheet 2223 are sequentially arranged.
Specifically, the piezoelectric sheets are disposed on the upper surface and/or the lower surface of the cantilever substrate 2222, and in order to improve the yield of electric energy, the cantilever substrate 2222 is disposed with the cantilever upper-layer piezoelectric sheet 2223 and the cantilever lower-layer piezoelectric sheet 2221 on the upper surface and the lower surface, respectively. Of course, a plurality of cantilever substrates 2222 may be provided, for example, as shown in fig. 3, 3 cantilever substrates 2222 may be provided for the left and right groups of cantilever piezoelectric modules 222, respectively, and thus the two groups of cantilever piezoelectric modules 222 have 6 cantilever substrates 2222 in total.
In a preferred implementation manner of the embodiment of the present invention, as shown in fig. 4, the cantilever lower piezoelectric sheet 2221 and the cantilever upper piezoelectric sheet 2223 are connected in parallel. As shown in fig. 5, the stacked upper layer piezoelectric sheet 2214 and the stacked lower layer piezoelectric sheet 2212 are connected in parallel.
Specifically, the cantilever lower piezoelectric sheet 2221 and the cantilever upper piezoelectric sheet 2223 are connected in parallel, so that the piezoelectric power generating unit 20 can have a large power output.
In a preferred implementation manner of the embodiment of the present invention, the stacked piezoelectric module 221 and the cantilever piezoelectric module 222 are connected in parallel. It is possible to further ensure that the piezoelectric power generating unit 20 has a large output of electric power.
In a preferred implementation manner of the embodiment of the present invention, as shown in fig. 3, when the shifting piece 233 moves downward, the lower surface of the shifting piece 233 presses the upper surface of the cantilever beam substrate 2222.
Specifically, when the paddle 233 moves downward, the paddle 233 presses the cantilever substrate 2222 instead of the cantilever upper piezoelectric sheet 2223, so that the cantilever substrate 2222 deforms, and the cantilever lower piezoelectric sheet 2221 and the cantilever upper piezoelectric sheet 2223 are driven to deform, thereby generating electric energy.
In the embodiment of the present invention, in a preferred implementation manner, the piezoelectric based road surface deceleration strip power generation device further includes: the circuit processing device is respectively connected with the piezoelectric component 22 and a plurality of low-power consumption sensors in the smart city, and rectifies, filters and stabilizes alternating current generated by the piezoelectric component 22, so that the alternating current is converted into stable direct current to provide electric energy for the low-power consumption sensors.
The energy collection efficiency of the piezoelectric energy collection device is improved through the organic combination of the cantilever beam piezoelectric module 222 and the stacked piezoelectric module 221; and unitization is carried out on the deceleration strip power generation device, the tiny space in the deceleration strip 10 is fully utilized, more mechanical energy is converted into electric energy in the limited space to be output, and the generated electric energy is processed by the circuit processing device and then can be supplied to a plurality of low-power consumption sensors in the smart city.
It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (10)
1. A piezoelectric-based pavement deceleration strip power generation device is characterized by comprising:
the deceleration strip is provided with a groove;
the piezoelectric power generation unit is arranged in the groove; the piezoelectric power generation unit includes:
the box body is positioned in the groove;
a piezoelectric assembly, the piezoelectric assembly comprising: the stacked piezoelectric module is arranged at the bottom of the box body, and the cantilever beam piezoelectric module is arranged on the side wall of the box body;
the first end of the pressing component is positioned outside the box body, the second end of the pressing component extends into the box body and is arranged opposite to the piezoelectric component, and the pressing component can move up and down in the box body;
when the pressing component moves downwards, the piezoelectric component is pressed to enable the piezoelectric component to generate electric energy.
2. The piezoelectric-based roadway deceleration strip power generation assembly of claim 1, wherein said pressing assembly comprises:
a pressure plate;
a column disposed below the pressure plate;
wherein the pillar presses the stacked piezoelectric modules when the pillar moves downward.
3. The piezoelectric-based roadway deceleration strip power generation assembly of claim 2, wherein said stacked piezoelectric modules comprise:
the stackable lower rubber sheet, the stackable lower piezoelectric sheet, the stackable substrate, the stackable upper piezoelectric sheet and the stackable upper rubber sheet are arranged in sequence.
4. The piezoelectric-based roadway deceleration strip power generation assembly of claim 2, wherein said pressing assembly further comprises:
the shifting pieces are arranged on two sides of the upright post;
when the shifting piece moves downwards, the shifting piece presses the cantilever beam piezoelectric module.
5. The piezoelectric-based roadway deceleration strip power generation device of claim 4, wherein the cantilever beam piezoelectric module comprises:
the cantilever beam lower layer piezoelectric piece, the cantilever beam substrate and the cantilever beam upper layer piezoelectric piece are arranged in sequence.
6. The piezoelectric-based roadway deceleration strip power generation device of claim 5, wherein the cantilever beam lower layer piezoelectric sheet is connected in parallel with the cantilever beam upper layer piezoelectric sheet.
7. The piezoelectric-based roadway deceleration strip power generation device of claim 5, wherein a lower surface of the paddle presses against an upper surface of the cantilever beam substrate when the paddle moves downward.
8. The piezoelectric-based road deceleration strip power generation device according to claim 2, wherein an elastic member is arranged between the pressure plate and the box body;
and a sealing side wall is arranged outside the elastic piece, a first end of the sealing side wall is connected with the edge of the upper surface of the box body, and a second end of the sealing side wall is in contact with the side surface of the pressure plate.
9. The piezoelectric-based roadway deceleration strip power generation device of claim 8, wherein said elastic member is a restoring rubber block.
10. The piezoelectric-based roadway deceleration strip power generation device of any one of claims 1-9, wherein said stacked piezoelectric modules and said cantilever beam piezoelectric modules are connected in parallel; and/or the presence of a gas in the gas,
the piezoelectric-based road surface deceleration strip power generation device further comprises:
and the circuit processing device is electrically connected with the piezoelectric power generation unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120075969.0U CN214412609U (en) | 2021-01-12 | 2021-01-12 | Pavement deceleration strip power generation device based on piezoelectricity |
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| CN202120075969.0U CN214412609U (en) | 2021-01-12 | 2021-01-12 | Pavement deceleration strip power generation device based on piezoelectricity |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115065133A (en) * | 2022-06-10 | 2022-09-16 | 联泰集群（北京）科技有限责任公司 | Edge computing node and access control system based on self-energy supply |
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2021
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115065133A (en) * | 2022-06-10 | 2022-09-16 | 联泰集群（北京）科技有限责任公司 | Edge computing node and access control system based on self-energy supply |
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